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Browse files- docs/transformers/build/lib/transformers/models/deit/image_processing_deit.py +301 -0
- docs/transformers/build/lib/transformers/models/deprecated/bort/__init__.py +0 -0
- docs/transformers/build/lib/transformers/models/deprecated/deta/configuration_deta.py +270 -0
- docs/transformers/build/lib/transformers/models/deprecated/deta/convert_deta_resnet_to_pytorch.py +319 -0
- docs/transformers/build/lib/transformers/models/deprecated/deta/image_processing_deta.py +1227 -0
- docs/transformers/build/lib/transformers/models/deprecated/deta/modeling_deta.py +0 -0
- docs/transformers/build/lib/transformers/models/deprecated/efficientformer/__init__.py +29 -0
- docs/transformers/build/lib/transformers/models/deprecated/efficientformer/convert_efficientformer_original_pytorch_checkpoint_to_pytorch.py +252 -0
- docs/transformers/build/lib/transformers/models/depth_anything/convert_depth_anything_to_hf.py +368 -0
- docs/transformers/build/lib/transformers/models/depth_pro/__init__.py +29 -0
- docs/transformers/build/lib/transformers/models/phi3/modeling_phi3.py +1126 -0
- docs/transformers/build/lib/transformers/models/phi4_multimodal/image_processing_phi4_multimodal_fast.py +263 -0
- docs/transformers/build/lib/transformers/models/phi4_multimodal/modeling_phi4_multimodal.py +0 -0
- docs/transformers/build/lib/transformers/models/phi4_multimodal/modular_phi4_multimodal.py +1850 -0
- docs/transformers/build/lib/transformers/models/phi4_multimodal/processing_phi4_multimodal.py +195 -0
- docs/transformers/build/lib/transformers/models/phimoe/configuration_phimoe.py +203 -0
- docs/transformers/build/lib/transformers/models/phimoe/modeling_phimoe.py +1627 -0
- docs/transformers/build/lib/transformers/models/phobert/__init__.py +26 -0
- docs/transformers/build/lib/transformers/models/phobert/tokenization_phobert.py +351 -0
- docs/transformers/build/lib/transformers/models/pix2struct/__init__.py +29 -0
docs/transformers/build/lib/transformers/models/deit/image_processing_deit.py
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| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright 2022 The HuggingFace Inc. team. All rights reserved.
|
| 3 |
+
#
|
| 4 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 5 |
+
# you may not use this file except in compliance with the License.
|
| 6 |
+
# You may obtain a copy of the License at
|
| 7 |
+
#
|
| 8 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 9 |
+
#
|
| 10 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 11 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 12 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 13 |
+
# See the License for the specific language governing permissions and
|
| 14 |
+
# limitations under the License.
|
| 15 |
+
"""Image processor class for DeiT."""
|
| 16 |
+
|
| 17 |
+
from typing import Dict, List, Optional, Union
|
| 18 |
+
|
| 19 |
+
import numpy as np
|
| 20 |
+
|
| 21 |
+
from ...image_processing_utils import BaseImageProcessor, BatchFeature, get_size_dict
|
| 22 |
+
from ...image_transforms import resize, to_channel_dimension_format
|
| 23 |
+
from ...image_utils import (
|
| 24 |
+
IMAGENET_STANDARD_MEAN,
|
| 25 |
+
IMAGENET_STANDARD_STD,
|
| 26 |
+
ChannelDimension,
|
| 27 |
+
ImageInput,
|
| 28 |
+
PILImageResampling,
|
| 29 |
+
infer_channel_dimension_format,
|
| 30 |
+
is_scaled_image,
|
| 31 |
+
make_list_of_images,
|
| 32 |
+
to_numpy_array,
|
| 33 |
+
valid_images,
|
| 34 |
+
validate_preprocess_arguments,
|
| 35 |
+
)
|
| 36 |
+
from ...utils import TensorType, filter_out_non_signature_kwargs, is_vision_available, logging
|
| 37 |
+
from ...utils.import_utils import requires
|
| 38 |
+
|
| 39 |
+
|
| 40 |
+
if is_vision_available():
|
| 41 |
+
import PIL
|
| 42 |
+
|
| 43 |
+
|
| 44 |
+
logger = logging.get_logger(__name__)
|
| 45 |
+
|
| 46 |
+
|
| 47 |
+
@requires(backends=("vision",))
|
| 48 |
+
class DeiTImageProcessor(BaseImageProcessor):
|
| 49 |
+
r"""
|
| 50 |
+
Constructs a DeiT image processor.
|
| 51 |
+
|
| 52 |
+
Args:
|
| 53 |
+
do_resize (`bool`, *optional*, defaults to `True`):
|
| 54 |
+
Whether to resize the image's (height, width) dimensions to the specified `size`. Can be overridden by
|
| 55 |
+
`do_resize` in `preprocess`.
|
| 56 |
+
size (`Dict[str, int]` *optional*, defaults to `{"height": 256, "width": 256}`):
|
| 57 |
+
Size of the image after `resize`. Can be overridden by `size` in `preprocess`.
|
| 58 |
+
resample (`PILImageResampling` filter, *optional*, defaults to `Resampling.BICUBIC`):
|
| 59 |
+
Resampling filter to use if resizing the image. Can be overridden by `resample` in `preprocess`.
|
| 60 |
+
do_center_crop (`bool`, *optional*, defaults to `True`):
|
| 61 |
+
Whether to center crop the image. If the input size is smaller than `crop_size` along any edge, the image
|
| 62 |
+
is padded with 0's and then center cropped. Can be overridden by `do_center_crop` in `preprocess`.
|
| 63 |
+
crop_size (`Dict[str, int]`, *optional*, defaults to `{"height": 224, "width": 224}`):
|
| 64 |
+
Desired output size when applying center-cropping. Can be overridden by `crop_size` in `preprocess`.
|
| 65 |
+
rescale_factor (`int` or `float`, *optional*, defaults to `1/255`):
|
| 66 |
+
Scale factor to use if rescaling the image. Can be overridden by the `rescale_factor` parameter in the
|
| 67 |
+
`preprocess` method.
|
| 68 |
+
do_rescale (`bool`, *optional*, defaults to `True`):
|
| 69 |
+
Whether to rescale the image by the specified scale `rescale_factor`. Can be overridden by the `do_rescale`
|
| 70 |
+
parameter in the `preprocess` method.
|
| 71 |
+
do_normalize (`bool`, *optional*, defaults to `True`):
|
| 72 |
+
Whether to normalize the image. Can be overridden by the `do_normalize` parameter in the `preprocess`
|
| 73 |
+
method.
|
| 74 |
+
image_mean (`float` or `List[float]`, *optional*, defaults to `IMAGENET_STANDARD_MEAN`):
|
| 75 |
+
Mean to use if normalizing the image. This is a float or list of floats the length of the number of
|
| 76 |
+
channels in the image. Can be overridden by the `image_mean` parameter in the `preprocess` method.
|
| 77 |
+
image_std (`float` or `List[float]`, *optional*, defaults to `IMAGENET_STANDARD_STD`):
|
| 78 |
+
Standard deviation to use if normalizing the image. This is a float or list of floats the length of the
|
| 79 |
+
number of channels in the image. Can be overridden by the `image_std` parameter in the `preprocess` method.
|
| 80 |
+
"""
|
| 81 |
+
|
| 82 |
+
model_input_names = ["pixel_values"]
|
| 83 |
+
|
| 84 |
+
def __init__(
|
| 85 |
+
self,
|
| 86 |
+
do_resize: bool = True,
|
| 87 |
+
size: Dict[str, int] = None,
|
| 88 |
+
resample: PILImageResampling = PIL.Image.BICUBIC,
|
| 89 |
+
do_center_crop: bool = True,
|
| 90 |
+
crop_size: Dict[str, int] = None,
|
| 91 |
+
rescale_factor: Union[int, float] = 1 / 255,
|
| 92 |
+
do_rescale: bool = True,
|
| 93 |
+
do_normalize: bool = True,
|
| 94 |
+
image_mean: Optional[Union[float, List[float]]] = None,
|
| 95 |
+
image_std: Optional[Union[float, List[float]]] = None,
|
| 96 |
+
**kwargs,
|
| 97 |
+
) -> None:
|
| 98 |
+
super().__init__(**kwargs)
|
| 99 |
+
size = size if size is not None else {"height": 256, "width": 256}
|
| 100 |
+
size = get_size_dict(size)
|
| 101 |
+
crop_size = crop_size if crop_size is not None else {"height": 224, "width": 224}
|
| 102 |
+
crop_size = get_size_dict(crop_size, param_name="crop_size")
|
| 103 |
+
|
| 104 |
+
self.do_resize = do_resize
|
| 105 |
+
self.size = size
|
| 106 |
+
self.resample = resample
|
| 107 |
+
self.do_center_crop = do_center_crop
|
| 108 |
+
self.crop_size = crop_size
|
| 109 |
+
self.do_rescale = do_rescale
|
| 110 |
+
self.rescale_factor = rescale_factor
|
| 111 |
+
self.do_normalize = do_normalize
|
| 112 |
+
self.image_mean = image_mean if image_mean is not None else IMAGENET_STANDARD_MEAN
|
| 113 |
+
self.image_std = image_std if image_std is not None else IMAGENET_STANDARD_STD
|
| 114 |
+
|
| 115 |
+
# Copied from transformers.models.vit.image_processing_vit.ViTImageProcessor.resize with PILImageResampling.BILINEAR->PILImageResampling.BICUBIC
|
| 116 |
+
def resize(
|
| 117 |
+
self,
|
| 118 |
+
image: np.ndarray,
|
| 119 |
+
size: Dict[str, int],
|
| 120 |
+
resample: PILImageResampling = PILImageResampling.BICUBIC,
|
| 121 |
+
data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 122 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 123 |
+
**kwargs,
|
| 124 |
+
) -> np.ndarray:
|
| 125 |
+
"""
|
| 126 |
+
Resize an image to `(size["height"], size["width"])`.
|
| 127 |
+
|
| 128 |
+
Args:
|
| 129 |
+
image (`np.ndarray`):
|
| 130 |
+
Image to resize.
|
| 131 |
+
size (`Dict[str, int]`):
|
| 132 |
+
Dictionary in the format `{"height": int, "width": int}` specifying the size of the output image.
|
| 133 |
+
resample (`PILImageResampling`, *optional*, defaults to `PILImageResampling.BICUBIC`):
|
| 134 |
+
`PILImageResampling` filter to use when resizing the image e.g. `PILImageResampling.BICUBIC`.
|
| 135 |
+
data_format (`ChannelDimension` or `str`, *optional*):
|
| 136 |
+
The channel dimension format for the output image. If unset, the channel dimension format of the input
|
| 137 |
+
image is used. Can be one of:
|
| 138 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 139 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 140 |
+
- `"none"` or `ChannelDimension.NONE`: image in (height, width) format.
|
| 141 |
+
input_data_format (`ChannelDimension` or `str`, *optional*):
|
| 142 |
+
The channel dimension format for the input image. If unset, the channel dimension format is inferred
|
| 143 |
+
from the input image. Can be one of:
|
| 144 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 145 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 146 |
+
- `"none"` or `ChannelDimension.NONE`: image in (height, width) format.
|
| 147 |
+
|
| 148 |
+
Returns:
|
| 149 |
+
`np.ndarray`: The resized image.
|
| 150 |
+
"""
|
| 151 |
+
size = get_size_dict(size)
|
| 152 |
+
if "height" not in size or "width" not in size:
|
| 153 |
+
raise ValueError(f"The `size` dictionary must contain the keys `height` and `width`. Got {size.keys()}")
|
| 154 |
+
output_size = (size["height"], size["width"])
|
| 155 |
+
return resize(
|
| 156 |
+
image,
|
| 157 |
+
size=output_size,
|
| 158 |
+
resample=resample,
|
| 159 |
+
data_format=data_format,
|
| 160 |
+
input_data_format=input_data_format,
|
| 161 |
+
**kwargs,
|
| 162 |
+
)
|
| 163 |
+
|
| 164 |
+
@filter_out_non_signature_kwargs()
|
| 165 |
+
def preprocess(
|
| 166 |
+
self,
|
| 167 |
+
images: ImageInput,
|
| 168 |
+
do_resize: Optional[bool] = None,
|
| 169 |
+
size: Dict[str, int] = None,
|
| 170 |
+
resample=None,
|
| 171 |
+
do_center_crop: Optional[bool] = None,
|
| 172 |
+
crop_size: Dict[str, int] = None,
|
| 173 |
+
do_rescale: Optional[bool] = None,
|
| 174 |
+
rescale_factor: Optional[float] = None,
|
| 175 |
+
do_normalize: Optional[bool] = None,
|
| 176 |
+
image_mean: Optional[Union[float, List[float]]] = None,
|
| 177 |
+
image_std: Optional[Union[float, List[float]]] = None,
|
| 178 |
+
return_tensors: Optional[Union[str, TensorType]] = None,
|
| 179 |
+
data_format: ChannelDimension = ChannelDimension.FIRST,
|
| 180 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 181 |
+
) -> PIL.Image.Image:
|
| 182 |
+
"""
|
| 183 |
+
Preprocess an image or batch of images.
|
| 184 |
+
|
| 185 |
+
Args:
|
| 186 |
+
images (`ImageInput`):
|
| 187 |
+
Image to preprocess. Expects a single or batch of images with pixel values ranging from 0 to 255. If
|
| 188 |
+
passing in images with pixel values between 0 and 1, set `do_rescale=False`.
|
| 189 |
+
do_resize (`bool`, *optional*, defaults to `self.do_resize`):
|
| 190 |
+
Whether to resize the image.
|
| 191 |
+
size (`Dict[str, int]`, *optional*, defaults to `self.size`):
|
| 192 |
+
Size of the image after `resize`.
|
| 193 |
+
resample (`PILImageResampling`, *optional*, defaults to `self.resample`):
|
| 194 |
+
PILImageResampling filter to use if resizing the image Only has an effect if `do_resize` is set to
|
| 195 |
+
`True`.
|
| 196 |
+
do_center_crop (`bool`, *optional*, defaults to `self.do_center_crop`):
|
| 197 |
+
Whether to center crop the image.
|
| 198 |
+
crop_size (`Dict[str, int]`, *optional*, defaults to `self.crop_size`):
|
| 199 |
+
Size of the image after center crop. If one edge the image is smaller than `crop_size`, it will be
|
| 200 |
+
padded with zeros and then cropped
|
| 201 |
+
do_rescale (`bool`, *optional*, defaults to `self.do_rescale`):
|
| 202 |
+
Whether to rescale the image values between [0 - 1].
|
| 203 |
+
rescale_factor (`float`, *optional*, defaults to `self.rescale_factor`):
|
| 204 |
+
Rescale factor to rescale the image by if `do_rescale` is set to `True`.
|
| 205 |
+
do_normalize (`bool`, *optional*, defaults to `self.do_normalize`):
|
| 206 |
+
Whether to normalize the image.
|
| 207 |
+
image_mean (`float` or `List[float]`, *optional*, defaults to `self.image_mean`):
|
| 208 |
+
Image mean.
|
| 209 |
+
image_std (`float` or `List[float]`, *optional*, defaults to `self.image_std`):
|
| 210 |
+
Image standard deviation.
|
| 211 |
+
return_tensors (`str` or `TensorType`, *optional*):
|
| 212 |
+
The type of tensors to return. Can be one of:
|
| 213 |
+
- `None`: Return a list of `np.ndarray`.
|
| 214 |
+
- `TensorType.TENSORFLOW` or `'tf'`: Return a batch of type `tf.Tensor`.
|
| 215 |
+
- `TensorType.PYTORCH` or `'pt'`: Return a batch of type `torch.Tensor`.
|
| 216 |
+
- `TensorType.NUMPY` or `'np'`: Return a batch of type `np.ndarray`.
|
| 217 |
+
- `TensorType.JAX` or `'jax'`: Return a batch of type `jax.numpy.ndarray`.
|
| 218 |
+
data_format (`ChannelDimension` or `str`, *optional*, defaults to `ChannelDimension.FIRST`):
|
| 219 |
+
The channel dimension format for the output image. Can be one of:
|
| 220 |
+
- `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 221 |
+
- `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 222 |
+
input_data_format (`ChannelDimension` or `str`, *optional*):
|
| 223 |
+
The channel dimension format for the input image. If unset, the channel dimension format is inferred
|
| 224 |
+
from the input image. Can be one of:
|
| 225 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 226 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 227 |
+
- `"none"` or `ChannelDimension.NONE`: image in (height, width) format.
|
| 228 |
+
"""
|
| 229 |
+
do_resize = do_resize if do_resize is not None else self.do_resize
|
| 230 |
+
resample = resample if resample is not None else self.resample
|
| 231 |
+
do_center_crop = do_center_crop if do_center_crop is not None else self.do_center_crop
|
| 232 |
+
do_rescale = do_rescale if do_rescale is not None else self.do_rescale
|
| 233 |
+
rescale_factor = rescale_factor if rescale_factor is not None else self.rescale_factor
|
| 234 |
+
do_normalize = do_normalize if do_normalize is not None else self.do_normalize
|
| 235 |
+
image_mean = image_mean if image_mean is not None else self.image_mean
|
| 236 |
+
image_std = image_std if image_std is not None else self.image_std
|
| 237 |
+
|
| 238 |
+
size = size if size is not None else self.size
|
| 239 |
+
size = get_size_dict(size)
|
| 240 |
+
crop_size = crop_size if crop_size is not None else self.crop_size
|
| 241 |
+
crop_size = get_size_dict(crop_size, param_name="crop_size")
|
| 242 |
+
|
| 243 |
+
images = make_list_of_images(images)
|
| 244 |
+
|
| 245 |
+
if not valid_images(images):
|
| 246 |
+
raise ValueError(
|
| 247 |
+
"Invalid image type. Must be of type PIL.Image.Image, numpy.ndarray, "
|
| 248 |
+
"torch.Tensor, tf.Tensor or jax.ndarray."
|
| 249 |
+
)
|
| 250 |
+
validate_preprocess_arguments(
|
| 251 |
+
do_rescale=do_rescale,
|
| 252 |
+
rescale_factor=rescale_factor,
|
| 253 |
+
do_normalize=do_normalize,
|
| 254 |
+
image_mean=image_mean,
|
| 255 |
+
image_std=image_std,
|
| 256 |
+
do_center_crop=do_center_crop,
|
| 257 |
+
crop_size=crop_size,
|
| 258 |
+
do_resize=do_resize,
|
| 259 |
+
size=size,
|
| 260 |
+
resample=resample,
|
| 261 |
+
)
|
| 262 |
+
# All transformations expect numpy arrays.
|
| 263 |
+
images = [to_numpy_array(image) for image in images]
|
| 264 |
+
|
| 265 |
+
if do_rescale and is_scaled_image(images[0]):
|
| 266 |
+
logger.warning_once(
|
| 267 |
+
"It looks like you are trying to rescale already rescaled images. If the input"
|
| 268 |
+
" images have pixel values between 0 and 1, set `do_rescale=False` to avoid rescaling them again."
|
| 269 |
+
)
|
| 270 |
+
|
| 271 |
+
if input_data_format is None:
|
| 272 |
+
# We assume that all images have the same channel dimension format.
|
| 273 |
+
input_data_format = infer_channel_dimension_format(images[0])
|
| 274 |
+
|
| 275 |
+
all_images = []
|
| 276 |
+
for image in images:
|
| 277 |
+
if do_resize:
|
| 278 |
+
image = self.resize(image=image, size=size, resample=resample, input_data_format=input_data_format)
|
| 279 |
+
|
| 280 |
+
if do_center_crop:
|
| 281 |
+
image = self.center_crop(image=image, size=crop_size, input_data_format=input_data_format)
|
| 282 |
+
|
| 283 |
+
if do_rescale:
|
| 284 |
+
image = self.rescale(image=image, scale=rescale_factor, input_data_format=input_data_format)
|
| 285 |
+
|
| 286 |
+
if do_normalize:
|
| 287 |
+
image = self.normalize(
|
| 288 |
+
image=image, mean=image_mean, std=image_std, input_data_format=input_data_format
|
| 289 |
+
)
|
| 290 |
+
|
| 291 |
+
all_images.append(image)
|
| 292 |
+
images = [
|
| 293 |
+
to_channel_dimension_format(image, data_format, input_channel_dim=input_data_format)
|
| 294 |
+
for image in all_images
|
| 295 |
+
]
|
| 296 |
+
|
| 297 |
+
data = {"pixel_values": images}
|
| 298 |
+
return BatchFeature(data=data, tensor_type=return_tensors)
|
| 299 |
+
|
| 300 |
+
|
| 301 |
+
__all__ = ["DeiTImageProcessor"]
|
docs/transformers/build/lib/transformers/models/deprecated/bort/__init__.py
ADDED
|
File without changes
|
docs/transformers/build/lib/transformers/models/deprecated/deta/configuration_deta.py
ADDED
|
@@ -0,0 +1,270 @@
|
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|
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|
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|
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|
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|
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|
|
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|
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|
|
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|
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|
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|
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|
|
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|
|
|
|
|
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|
|
|
|
|
|
|
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|
|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright 2022 SenseTime and The HuggingFace Inc. team. All rights reserved.
|
| 3 |
+
#
|
| 4 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 5 |
+
# you may not use this file except in compliance with the License.
|
| 6 |
+
# You may obtain a copy of the License at
|
| 7 |
+
#
|
| 8 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 9 |
+
#
|
| 10 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 11 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 12 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 13 |
+
# See the License for the specific language governing permissions and
|
| 14 |
+
# limitations under the License.
|
| 15 |
+
"""DETA model configuration"""
|
| 16 |
+
|
| 17 |
+
from ....configuration_utils import PretrainedConfig
|
| 18 |
+
from ....utils import logging
|
| 19 |
+
from ...auto import CONFIG_MAPPING
|
| 20 |
+
|
| 21 |
+
|
| 22 |
+
logger = logging.get_logger(__name__)
|
| 23 |
+
|
| 24 |
+
|
| 25 |
+
class DetaConfig(PretrainedConfig):
|
| 26 |
+
r"""
|
| 27 |
+
This is the configuration class to store the configuration of a [`DetaModel`]. It is used to instantiate a DETA
|
| 28 |
+
model according to the specified arguments, defining the model architecture. Instantiating a configuration with the
|
| 29 |
+
defaults will yield a similar configuration to that of the DETA
|
| 30 |
+
[SenseTime/deformable-detr](https://huggingface.co/SenseTime/deformable-detr) architecture.
|
| 31 |
+
|
| 32 |
+
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
|
| 33 |
+
documentation from [`PretrainedConfig`] for more information.
|
| 34 |
+
|
| 35 |
+
Args:
|
| 36 |
+
backbone_config (`PretrainedConfig` or `dict`, *optional*, defaults to `ResNetConfig()`):
|
| 37 |
+
The configuration of the backbone model.
|
| 38 |
+
backbone (`str`, *optional*):
|
| 39 |
+
Name of backbone to use when `backbone_config` is `None`. If `use_pretrained_backbone` is `True`, this
|
| 40 |
+
will load the corresponding pretrained weights from the timm or transformers library. If `use_pretrained_backbone`
|
| 41 |
+
is `False`, this loads the backbone's config and uses that to initialize the backbone with random weights.
|
| 42 |
+
use_pretrained_backbone (`bool`, *optional*, `False`):
|
| 43 |
+
Whether to use pretrained weights for the backbone.
|
| 44 |
+
use_timm_backbone (`bool`, *optional*, `False`):
|
| 45 |
+
Whether to load `backbone` from the timm library. If `False`, the backbone is loaded from the transformers
|
| 46 |
+
library.
|
| 47 |
+
backbone_kwargs (`dict`, *optional*):
|
| 48 |
+
Keyword arguments to be passed to AutoBackbone when loading from a checkpoint
|
| 49 |
+
e.g. `{'out_indices': (0, 1, 2, 3)}`. Cannot be specified if `backbone_config` is set.
|
| 50 |
+
num_queries (`int`, *optional*, defaults to 900):
|
| 51 |
+
Number of object queries, i.e. detection slots. This is the maximal number of objects [`DetaModel`] can
|
| 52 |
+
detect in a single image. In case `two_stage` is set to `True`, we use `two_stage_num_proposals` instead.
|
| 53 |
+
d_model (`int`, *optional*, defaults to 256):
|
| 54 |
+
Dimension of the layers.
|
| 55 |
+
encoder_layers (`int`, *optional*, defaults to 6):
|
| 56 |
+
Number of encoder layers.
|
| 57 |
+
decoder_layers (`int`, *optional*, defaults to 6):
|
| 58 |
+
Number of decoder layers.
|
| 59 |
+
encoder_attention_heads (`int`, *optional*, defaults to 8):
|
| 60 |
+
Number of attention heads for each attention layer in the Transformer encoder.
|
| 61 |
+
decoder_attention_heads (`int`, *optional*, defaults to 8):
|
| 62 |
+
Number of attention heads for each attention layer in the Transformer decoder.
|
| 63 |
+
decoder_ffn_dim (`int`, *optional*, defaults to 2048):
|
| 64 |
+
Dimension of the "intermediate" (often named feed-forward) layer in decoder.
|
| 65 |
+
encoder_ffn_dim (`int`, *optional*, defaults to 2048):
|
| 66 |
+
Dimension of the "intermediate" (often named feed-forward) layer in decoder.
|
| 67 |
+
activation_function (`str` or `function`, *optional*, defaults to `"relu"`):
|
| 68 |
+
The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
|
| 69 |
+
`"relu"`, `"silu"` and `"gelu_new"` are supported.
|
| 70 |
+
dropout (`float`, *optional*, defaults to 0.1):
|
| 71 |
+
The dropout probability for all fully connected layers in the embeddings, encoder, and pooler.
|
| 72 |
+
attention_dropout (`float`, *optional*, defaults to 0.0):
|
| 73 |
+
The dropout ratio for the attention probabilities.
|
| 74 |
+
activation_dropout (`float`, *optional*, defaults to 0.0):
|
| 75 |
+
The dropout ratio for activations inside the fully connected layer.
|
| 76 |
+
init_std (`float`, *optional*, defaults to 0.02):
|
| 77 |
+
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
|
| 78 |
+
init_xavier_std (`float`, *optional*, defaults to 1):
|
| 79 |
+
The scaling factor used for the Xavier initialization gain in the HM Attention map module.
|
| 80 |
+
encoder_layerdrop (`float`, *optional*, defaults to 0.0):
|
| 81 |
+
The LayerDrop probability for the encoder. See the [LayerDrop paper](see https://arxiv.org/abs/1909.11556)
|
| 82 |
+
for more details.
|
| 83 |
+
auxiliary_loss (`bool`, *optional*, defaults to `False`):
|
| 84 |
+
Whether auxiliary decoding losses (loss at each decoder layer) are to be used.
|
| 85 |
+
position_embedding_type (`str`, *optional*, defaults to `"sine"`):
|
| 86 |
+
Type of position embeddings to be used on top of the image features. One of `"sine"` or `"learned"`.
|
| 87 |
+
class_cost (`float`, *optional*, defaults to 1):
|
| 88 |
+
Relative weight of the classification error in the Hungarian matching cost.
|
| 89 |
+
bbox_cost (`float`, *optional*, defaults to 5):
|
| 90 |
+
Relative weight of the L1 error of the bounding box coordinates in the Hungarian matching cost.
|
| 91 |
+
giou_cost (`float`, *optional*, defaults to 2):
|
| 92 |
+
Relative weight of the generalized IoU loss of the bounding box in the Hungarian matching cost.
|
| 93 |
+
mask_loss_coefficient (`float`, *optional*, defaults to 1):
|
| 94 |
+
Relative weight of the Focal loss in the panoptic segmentation loss.
|
| 95 |
+
dice_loss_coefficient (`float`, *optional*, defaults to 1):
|
| 96 |
+
Relative weight of the DICE/F-1 loss in the panoptic segmentation loss.
|
| 97 |
+
bbox_loss_coefficient (`float`, *optional*, defaults to 5):
|
| 98 |
+
Relative weight of the L1 bounding box loss in the object detection loss.
|
| 99 |
+
giou_loss_coefficient (`float`, *optional*, defaults to 2):
|
| 100 |
+
Relative weight of the generalized IoU loss in the object detection loss.
|
| 101 |
+
eos_coefficient (`float`, *optional*, defaults to 0.1):
|
| 102 |
+
Relative classification weight of the 'no-object' class in the object detection loss.
|
| 103 |
+
num_feature_levels (`int`, *optional*, defaults to 5):
|
| 104 |
+
The number of input feature levels.
|
| 105 |
+
encoder_n_points (`int`, *optional*, defaults to 4):
|
| 106 |
+
The number of sampled keys in each feature level for each attention head in the encoder.
|
| 107 |
+
decoder_n_points (`int`, *optional*, defaults to 4):
|
| 108 |
+
The number of sampled keys in each feature level for each attention head in the decoder.
|
| 109 |
+
two_stage (`bool`, *optional*, defaults to `True`):
|
| 110 |
+
Whether to apply a two-stage deformable DETR, where the region proposals are also generated by a variant of
|
| 111 |
+
DETA, which are further fed into the decoder for iterative bounding box refinement.
|
| 112 |
+
two_stage_num_proposals (`int`, *optional*, defaults to 300):
|
| 113 |
+
The number of region proposals to be generated, in case `two_stage` is set to `True`.
|
| 114 |
+
with_box_refine (`bool`, *optional*, defaults to `True`):
|
| 115 |
+
Whether to apply iterative bounding box refinement, where each decoder layer refines the bounding boxes
|
| 116 |
+
based on the predictions from the previous layer.
|
| 117 |
+
focal_alpha (`float`, *optional*, defaults to 0.25):
|
| 118 |
+
Alpha parameter in the focal loss.
|
| 119 |
+
assign_first_stage (`bool`, *optional*, defaults to `True`):
|
| 120 |
+
Whether to assign each prediction i to the highest overlapping ground truth object if the overlap is larger than a threshold 0.7.
|
| 121 |
+
assign_second_stage (`bool`, *optional*, defaults to `True`):
|
| 122 |
+
Whether to assign second assignment procedure in the second stage closely follows the first stage assignment procedure.
|
| 123 |
+
disable_custom_kernels (`bool`, *optional*, defaults to `True`):
|
| 124 |
+
Disable the use of custom CUDA and CPU kernels. This option is necessary for the ONNX export, as custom
|
| 125 |
+
kernels are not supported by PyTorch ONNX export.
|
| 126 |
+
|
| 127 |
+
Examples:
|
| 128 |
+
|
| 129 |
+
```python
|
| 130 |
+
>>> from transformers import DetaConfig, DetaModel
|
| 131 |
+
|
| 132 |
+
>>> # Initializing a DETA SenseTime/deformable-detr style configuration
|
| 133 |
+
>>> configuration = DetaConfig()
|
| 134 |
+
|
| 135 |
+
>>> # Initializing a model (with random weights) from the SenseTime/deformable-detr style configuration
|
| 136 |
+
>>> model = DetaModel(configuration)
|
| 137 |
+
|
| 138 |
+
>>> # Accessing the model configuration
|
| 139 |
+
>>> configuration = model.config
|
| 140 |
+
```"""
|
| 141 |
+
|
| 142 |
+
model_type = "deta"
|
| 143 |
+
attribute_map = {
|
| 144 |
+
"hidden_size": "d_model",
|
| 145 |
+
"num_attention_heads": "encoder_attention_heads",
|
| 146 |
+
}
|
| 147 |
+
|
| 148 |
+
def __init__(
|
| 149 |
+
self,
|
| 150 |
+
backbone_config=None,
|
| 151 |
+
backbone=None,
|
| 152 |
+
use_pretrained_backbone=False,
|
| 153 |
+
use_timm_backbone=False,
|
| 154 |
+
backbone_kwargs=None,
|
| 155 |
+
num_queries=900,
|
| 156 |
+
max_position_embeddings=2048,
|
| 157 |
+
encoder_layers=6,
|
| 158 |
+
encoder_ffn_dim=2048,
|
| 159 |
+
encoder_attention_heads=8,
|
| 160 |
+
decoder_layers=6,
|
| 161 |
+
decoder_ffn_dim=1024,
|
| 162 |
+
decoder_attention_heads=8,
|
| 163 |
+
encoder_layerdrop=0.0,
|
| 164 |
+
is_encoder_decoder=True,
|
| 165 |
+
activation_function="relu",
|
| 166 |
+
d_model=256,
|
| 167 |
+
dropout=0.1,
|
| 168 |
+
attention_dropout=0.0,
|
| 169 |
+
activation_dropout=0.0,
|
| 170 |
+
init_std=0.02,
|
| 171 |
+
init_xavier_std=1.0,
|
| 172 |
+
return_intermediate=True,
|
| 173 |
+
auxiliary_loss=False,
|
| 174 |
+
position_embedding_type="sine",
|
| 175 |
+
num_feature_levels=5,
|
| 176 |
+
encoder_n_points=4,
|
| 177 |
+
decoder_n_points=4,
|
| 178 |
+
two_stage=True,
|
| 179 |
+
two_stage_num_proposals=300,
|
| 180 |
+
with_box_refine=True,
|
| 181 |
+
assign_first_stage=True,
|
| 182 |
+
assign_second_stage=True,
|
| 183 |
+
class_cost=1,
|
| 184 |
+
bbox_cost=5,
|
| 185 |
+
giou_cost=2,
|
| 186 |
+
mask_loss_coefficient=1,
|
| 187 |
+
dice_loss_coefficient=1,
|
| 188 |
+
bbox_loss_coefficient=5,
|
| 189 |
+
giou_loss_coefficient=2,
|
| 190 |
+
eos_coefficient=0.1,
|
| 191 |
+
focal_alpha=0.25,
|
| 192 |
+
disable_custom_kernels=True,
|
| 193 |
+
**kwargs,
|
| 194 |
+
):
|
| 195 |
+
if use_pretrained_backbone:
|
| 196 |
+
raise ValueError("Pretrained backbones are not supported yet.")
|
| 197 |
+
|
| 198 |
+
if backbone_config is not None and backbone is not None:
|
| 199 |
+
raise ValueError("You can't specify both `backbone` and `backbone_config`.")
|
| 200 |
+
|
| 201 |
+
if backbone_config is None and backbone is None:
|
| 202 |
+
logger.info("`backbone_config` is `None`. Initializing the config with the default `ResNet` backbone.")
|
| 203 |
+
backbone_config = CONFIG_MAPPING["resnet"](out_features=["stage2", "stage3", "stage4"])
|
| 204 |
+
else:
|
| 205 |
+
if isinstance(backbone_config, dict):
|
| 206 |
+
backbone_model_type = backbone_config.pop("model_type")
|
| 207 |
+
config_class = CONFIG_MAPPING[backbone_model_type]
|
| 208 |
+
backbone_config = config_class.from_dict(backbone_config)
|
| 209 |
+
|
| 210 |
+
if backbone_kwargs is not None and backbone_kwargs and backbone_config is not None:
|
| 211 |
+
raise ValueError("You can't specify both `backbone_kwargs` and `backbone_config`.")
|
| 212 |
+
|
| 213 |
+
self.backbone_config = backbone_config
|
| 214 |
+
self.backbone = backbone
|
| 215 |
+
self.use_pretrained_backbone = use_pretrained_backbone
|
| 216 |
+
self.use_timm_backbone = use_timm_backbone
|
| 217 |
+
self.backbone_kwargs = backbone_kwargs
|
| 218 |
+
self.num_queries = num_queries
|
| 219 |
+
self.max_position_embeddings = max_position_embeddings
|
| 220 |
+
self.d_model = d_model
|
| 221 |
+
self.encoder_ffn_dim = encoder_ffn_dim
|
| 222 |
+
self.encoder_layers = encoder_layers
|
| 223 |
+
self.encoder_attention_heads = encoder_attention_heads
|
| 224 |
+
self.decoder_ffn_dim = decoder_ffn_dim
|
| 225 |
+
self.decoder_layers = decoder_layers
|
| 226 |
+
self.decoder_attention_heads = decoder_attention_heads
|
| 227 |
+
self.dropout = dropout
|
| 228 |
+
self.attention_dropout = attention_dropout
|
| 229 |
+
self.activation_dropout = activation_dropout
|
| 230 |
+
self.activation_function = activation_function
|
| 231 |
+
self.init_std = init_std
|
| 232 |
+
self.init_xavier_std = init_xavier_std
|
| 233 |
+
self.encoder_layerdrop = encoder_layerdrop
|
| 234 |
+
self.auxiliary_loss = auxiliary_loss
|
| 235 |
+
self.position_embedding_type = position_embedding_type
|
| 236 |
+
# deformable attributes
|
| 237 |
+
self.num_feature_levels = num_feature_levels
|
| 238 |
+
self.encoder_n_points = encoder_n_points
|
| 239 |
+
self.decoder_n_points = decoder_n_points
|
| 240 |
+
self.two_stage = two_stage
|
| 241 |
+
self.two_stage_num_proposals = two_stage_num_proposals
|
| 242 |
+
self.with_box_refine = with_box_refine
|
| 243 |
+
self.assign_first_stage = assign_first_stage
|
| 244 |
+
self.assign_second_stage = assign_second_stage
|
| 245 |
+
if two_stage is True and with_box_refine is False:
|
| 246 |
+
raise ValueError("If two_stage is True, with_box_refine must be True.")
|
| 247 |
+
# Hungarian matcher
|
| 248 |
+
self.class_cost = class_cost
|
| 249 |
+
self.bbox_cost = bbox_cost
|
| 250 |
+
self.giou_cost = giou_cost
|
| 251 |
+
# Loss coefficients
|
| 252 |
+
self.mask_loss_coefficient = mask_loss_coefficient
|
| 253 |
+
self.dice_loss_coefficient = dice_loss_coefficient
|
| 254 |
+
self.bbox_loss_coefficient = bbox_loss_coefficient
|
| 255 |
+
self.giou_loss_coefficient = giou_loss_coefficient
|
| 256 |
+
self.eos_coefficient = eos_coefficient
|
| 257 |
+
self.focal_alpha = focal_alpha
|
| 258 |
+
self.disable_custom_kernels = disable_custom_kernels
|
| 259 |
+
super().__init__(is_encoder_decoder=is_encoder_decoder, **kwargs)
|
| 260 |
+
|
| 261 |
+
@property
|
| 262 |
+
def num_attention_heads(self) -> int:
|
| 263 |
+
return self.encoder_attention_heads
|
| 264 |
+
|
| 265 |
+
@property
|
| 266 |
+
def hidden_size(self) -> int:
|
| 267 |
+
return self.d_model
|
| 268 |
+
|
| 269 |
+
|
| 270 |
+
__all__ = ["DetaConfig"]
|
docs/transformers/build/lib/transformers/models/deprecated/deta/convert_deta_resnet_to_pytorch.py
ADDED
|
@@ -0,0 +1,319 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
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|
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|
|
|
|
|
|
|
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|
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|
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|
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|
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|
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|
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|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright 2022 The HuggingFace Inc. team.
|
| 3 |
+
#
|
| 4 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 5 |
+
# you may not use this file except in compliance with the License.
|
| 6 |
+
# You may obtain a copy of the License at
|
| 7 |
+
#
|
| 8 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 9 |
+
#
|
| 10 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 11 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 12 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 13 |
+
# See the License for the specific language governing permissions and
|
| 14 |
+
# limitations under the License.
|
| 15 |
+
"""Convert DETA checkpoints from the original repository.
|
| 16 |
+
|
| 17 |
+
URL: https://github.com/jozhang97/DETA/tree/master"""
|
| 18 |
+
|
| 19 |
+
import argparse
|
| 20 |
+
import json
|
| 21 |
+
from pathlib import Path
|
| 22 |
+
|
| 23 |
+
import requests
|
| 24 |
+
import torch
|
| 25 |
+
from huggingface_hub import hf_hub_download
|
| 26 |
+
from PIL import Image
|
| 27 |
+
|
| 28 |
+
from transformers import DetaConfig, DetaForObjectDetection, DetaImageProcessor
|
| 29 |
+
from transformers.utils import logging
|
| 30 |
+
|
| 31 |
+
|
| 32 |
+
logging.set_verbosity_info()
|
| 33 |
+
logger = logging.get_logger(__name__)
|
| 34 |
+
|
| 35 |
+
|
| 36 |
+
def get_deta_config():
|
| 37 |
+
config = DetaConfig(
|
| 38 |
+
num_queries=900,
|
| 39 |
+
encoder_ffn_dim=2048,
|
| 40 |
+
decoder_ffn_dim=2048,
|
| 41 |
+
num_feature_levels=5,
|
| 42 |
+
assign_first_stage=True,
|
| 43 |
+
with_box_refine=True,
|
| 44 |
+
two_stage=True,
|
| 45 |
+
)
|
| 46 |
+
|
| 47 |
+
# set labels
|
| 48 |
+
config.num_labels = 91
|
| 49 |
+
repo_id = "huggingface/label-files"
|
| 50 |
+
filename = "coco-detection-id2label.json"
|
| 51 |
+
id2label = json.loads(Path(hf_hub_download(repo_id, filename, repo_type="dataset")).read_text())
|
| 52 |
+
id2label = {int(k): v for k, v in id2label.items()}
|
| 53 |
+
config.id2label = id2label
|
| 54 |
+
config.label2id = {v: k for k, v in id2label.items()}
|
| 55 |
+
|
| 56 |
+
return config
|
| 57 |
+
|
| 58 |
+
|
| 59 |
+
# here we list all keys to be renamed (original name on the left, our name on the right)
|
| 60 |
+
def create_rename_keys(config):
|
| 61 |
+
rename_keys = []
|
| 62 |
+
|
| 63 |
+
# stem
|
| 64 |
+
# fmt: off
|
| 65 |
+
rename_keys.append(("backbone.0.body.conv1.weight", "model.backbone.model.embedder.embedder.convolution.weight"))
|
| 66 |
+
rename_keys.append(("backbone.0.body.bn1.weight", "model.backbone.model.embedder.embedder.normalization.weight"))
|
| 67 |
+
rename_keys.append(("backbone.0.body.bn1.bias", "model.backbone.model.embedder.embedder.normalization.bias"))
|
| 68 |
+
rename_keys.append(("backbone.0.body.bn1.running_mean", "model.backbone.model.embedder.embedder.normalization.running_mean"))
|
| 69 |
+
rename_keys.append(("backbone.0.body.bn1.running_var", "model.backbone.model.embedder.embedder.normalization.running_var"))
|
| 70 |
+
# stages
|
| 71 |
+
for stage_idx in range(len(config.backbone_config.depths)):
|
| 72 |
+
for layer_idx in range(config.backbone_config.depths[stage_idx]):
|
| 73 |
+
# shortcut
|
| 74 |
+
if layer_idx == 0:
|
| 75 |
+
rename_keys.append(
|
| 76 |
+
(
|
| 77 |
+
f"backbone.0.body.layer{stage_idx + 1}.{layer_idx}.downsample.0.weight",
|
| 78 |
+
f"model.backbone.model.encoder.stages.{stage_idx}.layers.{layer_idx}.shortcut.convolution.weight",
|
| 79 |
+
)
|
| 80 |
+
)
|
| 81 |
+
rename_keys.append(
|
| 82 |
+
(
|
| 83 |
+
f"backbone.0.body.layer{stage_idx + 1}.{layer_idx}.downsample.1.weight",
|
| 84 |
+
f"model.backbone.model.encoder.stages.{stage_idx}.layers.{layer_idx}.shortcut.normalization.weight",
|
| 85 |
+
)
|
| 86 |
+
)
|
| 87 |
+
rename_keys.append(
|
| 88 |
+
(
|
| 89 |
+
f"backbone.0.body.layer{stage_idx + 1}.{layer_idx}.downsample.1.bias",
|
| 90 |
+
f"model.backbone.model.encoder.stages.{stage_idx}.layers.{layer_idx}.shortcut.normalization.bias",
|
| 91 |
+
)
|
| 92 |
+
)
|
| 93 |
+
rename_keys.append(
|
| 94 |
+
(
|
| 95 |
+
f"backbone.0.body.layer{stage_idx + 1}.{layer_idx}.downsample.1.running_mean",
|
| 96 |
+
f"model.backbone.model.encoder.stages.{stage_idx}.layers.{layer_idx}.shortcut.normalization.running_mean",
|
| 97 |
+
)
|
| 98 |
+
)
|
| 99 |
+
rename_keys.append(
|
| 100 |
+
(
|
| 101 |
+
f"backbone.0.body.layer{stage_idx + 1}.{layer_idx}.downsample.1.running_var",
|
| 102 |
+
f"model.backbone.model.encoder.stages.{stage_idx}.layers.{layer_idx}.shortcut.normalization.running_var",
|
| 103 |
+
)
|
| 104 |
+
)
|
| 105 |
+
# 3 convs
|
| 106 |
+
for i in range(3):
|
| 107 |
+
rename_keys.append(
|
| 108 |
+
(
|
| 109 |
+
f"backbone.0.body.layer{stage_idx + 1}.{layer_idx}.conv{i+1}.weight",
|
| 110 |
+
f"model.backbone.model.encoder.stages.{stage_idx}.layers.{layer_idx}.layer.{i}.convolution.weight",
|
| 111 |
+
)
|
| 112 |
+
)
|
| 113 |
+
rename_keys.append(
|
| 114 |
+
(
|
| 115 |
+
f"backbone.0.body.layer{stage_idx + 1}.{layer_idx}.bn{i+1}.weight",
|
| 116 |
+
f"model.backbone.model.encoder.stages.{stage_idx}.layers.{layer_idx}.layer.{i}.normalization.weight",
|
| 117 |
+
)
|
| 118 |
+
)
|
| 119 |
+
rename_keys.append(
|
| 120 |
+
(
|
| 121 |
+
f"backbone.0.body.layer{stage_idx + 1}.{layer_idx}.bn{i+1}.bias",
|
| 122 |
+
f"model.backbone.model.encoder.stages.{stage_idx}.layers.{layer_idx}.layer.{i}.normalization.bias",
|
| 123 |
+
)
|
| 124 |
+
)
|
| 125 |
+
rename_keys.append(
|
| 126 |
+
(
|
| 127 |
+
f"backbone.0.body.layer{stage_idx + 1}.{layer_idx}.bn{i+1}.running_mean",
|
| 128 |
+
f"model.backbone.model.encoder.stages.{stage_idx}.layers.{layer_idx}.layer.{i}.normalization.running_mean",
|
| 129 |
+
)
|
| 130 |
+
)
|
| 131 |
+
rename_keys.append(
|
| 132 |
+
(
|
| 133 |
+
f"backbone.0.body.layer{stage_idx + 1}.{layer_idx}.bn{i+1}.running_var",
|
| 134 |
+
f"model.backbone.model.encoder.stages.{stage_idx}.layers.{layer_idx}.layer.{i}.normalization.running_var",
|
| 135 |
+
)
|
| 136 |
+
)
|
| 137 |
+
# transformer encoder
|
| 138 |
+
for i in range(config.encoder_layers):
|
| 139 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.self_attn.sampling_offsets.weight", f"model.encoder.layers.{i}.self_attn.sampling_offsets.weight"))
|
| 140 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.self_attn.sampling_offsets.bias", f"model.encoder.layers.{i}.self_attn.sampling_offsets.bias"))
|
| 141 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.self_attn.attention_weights.weight", f"model.encoder.layers.{i}.self_attn.attention_weights.weight"))
|
| 142 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.self_attn.attention_weights.bias", f"model.encoder.layers.{i}.self_attn.attention_weights.bias"))
|
| 143 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.self_attn.value_proj.weight", f"model.encoder.layers.{i}.self_attn.value_proj.weight"))
|
| 144 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.self_attn.value_proj.bias", f"model.encoder.layers.{i}.self_attn.value_proj.bias"))
|
| 145 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.self_attn.output_proj.weight", f"model.encoder.layers.{i}.self_attn.output_proj.weight"))
|
| 146 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.self_attn.output_proj.bias", f"model.encoder.layers.{i}.self_attn.output_proj.bias"))
|
| 147 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.norm1.weight", f"model.encoder.layers.{i}.self_attn_layer_norm.weight"))
|
| 148 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.norm1.bias", f"model.encoder.layers.{i}.self_attn_layer_norm.bias"))
|
| 149 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.linear1.weight", f"model.encoder.layers.{i}.fc1.weight"))
|
| 150 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.linear1.bias", f"model.encoder.layers.{i}.fc1.bias"))
|
| 151 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.linear2.weight", f"model.encoder.layers.{i}.fc2.weight"))
|
| 152 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.linear2.bias", f"model.encoder.layers.{i}.fc2.bias"))
|
| 153 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.norm2.weight", f"model.encoder.layers.{i}.final_layer_norm.weight"))
|
| 154 |
+
rename_keys.append((f"transformer.encoder.layers.{i}.norm2.bias", f"model.encoder.layers.{i}.final_layer_norm.bias"))
|
| 155 |
+
|
| 156 |
+
# transformer decoder
|
| 157 |
+
for i in range(config.decoder_layers):
|
| 158 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.cross_attn.sampling_offsets.weight", f"model.decoder.layers.{i}.encoder_attn.sampling_offsets.weight"))
|
| 159 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.cross_attn.sampling_offsets.bias", f"model.decoder.layers.{i}.encoder_attn.sampling_offsets.bias"))
|
| 160 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.cross_attn.attention_weights.weight", f"model.decoder.layers.{i}.encoder_attn.attention_weights.weight"))
|
| 161 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.cross_attn.attention_weights.bias", f"model.decoder.layers.{i}.encoder_attn.attention_weights.bias"))
|
| 162 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.cross_attn.value_proj.weight", f"model.decoder.layers.{i}.encoder_attn.value_proj.weight"))
|
| 163 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.cross_attn.value_proj.bias", f"model.decoder.layers.{i}.encoder_attn.value_proj.bias"))
|
| 164 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.cross_attn.output_proj.weight", f"model.decoder.layers.{i}.encoder_attn.output_proj.weight"))
|
| 165 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.cross_attn.output_proj.bias", f"model.decoder.layers.{i}.encoder_attn.output_proj.bias"))
|
| 166 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.norm1.weight", f"model.decoder.layers.{i}.encoder_attn_layer_norm.weight"))
|
| 167 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.norm1.bias", f"model.decoder.layers.{i}.encoder_attn_layer_norm.bias"))
|
| 168 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.self_attn.out_proj.weight", f"model.decoder.layers.{i}.self_attn.out_proj.weight"))
|
| 169 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.self_attn.out_proj.bias", f"model.decoder.layers.{i}.self_attn.out_proj.bias"))
|
| 170 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.norm2.weight", f"model.decoder.layers.{i}.self_attn_layer_norm.weight"))
|
| 171 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.norm2.bias", f"model.decoder.layers.{i}.self_attn_layer_norm.bias"))
|
| 172 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.linear1.weight", f"model.decoder.layers.{i}.fc1.weight"))
|
| 173 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.linear1.bias", f"model.decoder.layers.{i}.fc1.bias"))
|
| 174 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.linear2.weight", f"model.decoder.layers.{i}.fc2.weight"))
|
| 175 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.linear2.bias", f"model.decoder.layers.{i}.fc2.bias"))
|
| 176 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.norm3.weight", f"model.decoder.layers.{i}.final_layer_norm.weight"))
|
| 177 |
+
rename_keys.append((f"transformer.decoder.layers.{i}.norm3.bias", f"model.decoder.layers.{i}.final_layer_norm.bias"))
|
| 178 |
+
|
| 179 |
+
# fmt: on
|
| 180 |
+
|
| 181 |
+
return rename_keys
|
| 182 |
+
|
| 183 |
+
|
| 184 |
+
def rename_key(dct, old, new):
|
| 185 |
+
val = dct.pop(old)
|
| 186 |
+
dct[new] = val
|
| 187 |
+
|
| 188 |
+
|
| 189 |
+
def read_in_decoder_q_k_v(state_dict, config):
|
| 190 |
+
# transformer decoder self-attention layers
|
| 191 |
+
hidden_size = config.d_model
|
| 192 |
+
for i in range(config.decoder_layers):
|
| 193 |
+
# read in weights + bias of input projection layer of self-attention
|
| 194 |
+
in_proj_weight = state_dict.pop(f"transformer.decoder.layers.{i}.self_attn.in_proj_weight")
|
| 195 |
+
in_proj_bias = state_dict.pop(f"transformer.decoder.layers.{i}.self_attn.in_proj_bias")
|
| 196 |
+
# next, add query, keys and values (in that order) to the state dict
|
| 197 |
+
state_dict[f"model.decoder.layers.{i}.self_attn.q_proj.weight"] = in_proj_weight[:hidden_size, :]
|
| 198 |
+
state_dict[f"model.decoder.layers.{i}.self_attn.q_proj.bias"] = in_proj_bias[:hidden_size]
|
| 199 |
+
state_dict[f"model.decoder.layers.{i}.self_attn.k_proj.weight"] = in_proj_weight[
|
| 200 |
+
hidden_size : hidden_size * 2, :
|
| 201 |
+
]
|
| 202 |
+
state_dict[f"model.decoder.layers.{i}.self_attn.k_proj.bias"] = in_proj_bias[hidden_size : hidden_size * 2]
|
| 203 |
+
state_dict[f"model.decoder.layers.{i}.self_attn.v_proj.weight"] = in_proj_weight[-hidden_size:, :]
|
| 204 |
+
state_dict[f"model.decoder.layers.{i}.self_attn.v_proj.bias"] = in_proj_bias[-hidden_size:]
|
| 205 |
+
|
| 206 |
+
|
| 207 |
+
# We will verify our results on an image of cute cats
|
| 208 |
+
def prepare_img():
|
| 209 |
+
url = "http://images.cocodataset.org/val2017/000000039769.jpg"
|
| 210 |
+
im = Image.open(requests.get(url, stream=True).raw)
|
| 211 |
+
|
| 212 |
+
return im
|
| 213 |
+
|
| 214 |
+
|
| 215 |
+
@torch.no_grad()
|
| 216 |
+
def convert_deta_checkpoint(model_name, pytorch_dump_folder_path, push_to_hub):
|
| 217 |
+
"""
|
| 218 |
+
Copy/paste/tweak model's weights to our DETA structure.
|
| 219 |
+
"""
|
| 220 |
+
|
| 221 |
+
# load config
|
| 222 |
+
config = get_deta_config()
|
| 223 |
+
|
| 224 |
+
# load original state dict
|
| 225 |
+
if model_name == "deta-resnet-50":
|
| 226 |
+
filename = "adet_checkpoint0011.pth"
|
| 227 |
+
elif model_name == "deta-resnet-50-24-epochs":
|
| 228 |
+
filename = "adet_2x_checkpoint0023.pth"
|
| 229 |
+
else:
|
| 230 |
+
raise ValueError(f"Model name {model_name} not supported")
|
| 231 |
+
checkpoint_path = hf_hub_download(repo_id="nielsr/deta-checkpoints", filename=filename)
|
| 232 |
+
state_dict = torch.load(checkpoint_path, map_location="cpu", weights_only=True)["model"]
|
| 233 |
+
|
| 234 |
+
# rename keys
|
| 235 |
+
rename_keys = create_rename_keys(config)
|
| 236 |
+
for src, dest in rename_keys:
|
| 237 |
+
rename_key(state_dict, src, dest)
|
| 238 |
+
read_in_decoder_q_k_v(state_dict, config)
|
| 239 |
+
|
| 240 |
+
# fix some prefixes
|
| 241 |
+
for key in state_dict.copy().keys():
|
| 242 |
+
if "transformer.decoder.class_embed" in key or "transformer.decoder.bbox_embed" in key:
|
| 243 |
+
val = state_dict.pop(key)
|
| 244 |
+
state_dict[key.replace("transformer.decoder", "model.decoder")] = val
|
| 245 |
+
if "input_proj" in key:
|
| 246 |
+
val = state_dict.pop(key)
|
| 247 |
+
state_dict["model." + key] = val
|
| 248 |
+
if "level_embed" in key or "pos_trans" in key or "pix_trans" in key or "enc_output" in key:
|
| 249 |
+
val = state_dict.pop(key)
|
| 250 |
+
state_dict[key.replace("transformer", "model")] = val
|
| 251 |
+
|
| 252 |
+
# finally, create HuggingFace model and load state dict
|
| 253 |
+
model = DetaForObjectDetection(config)
|
| 254 |
+
model.load_state_dict(state_dict)
|
| 255 |
+
model.eval()
|
| 256 |
+
|
| 257 |
+
device = "cuda" if torch.cuda.is_available() else "cpu"
|
| 258 |
+
model.to(device)
|
| 259 |
+
|
| 260 |
+
# load image processor
|
| 261 |
+
processor = DetaImageProcessor(format="coco_detection")
|
| 262 |
+
|
| 263 |
+
# verify our conversion on image
|
| 264 |
+
img = prepare_img()
|
| 265 |
+
encoding = processor(images=img, return_tensors="pt")
|
| 266 |
+
pixel_values = encoding["pixel_values"]
|
| 267 |
+
outputs = model(pixel_values.to(device))
|
| 268 |
+
|
| 269 |
+
# verify logits
|
| 270 |
+
if model_name == "deta-resnet-50":
|
| 271 |
+
expected_logits = torch.tensor(
|
| 272 |
+
[[-7.3978, -2.5406, -4.1668], [-8.2684, -3.9933, -3.8096], [-7.0515, -3.7973, -5.8516]]
|
| 273 |
+
)
|
| 274 |
+
expected_boxes = torch.tensor([[0.5043, 0.4973, 0.9998], [0.2542, 0.5489, 0.4748], [0.5490, 0.2765, 0.0570]])
|
| 275 |
+
elif model_name == "deta-resnet-50-24-epochs":
|
| 276 |
+
expected_logits = torch.tensor(
|
| 277 |
+
[[-7.1688, -2.4857, -4.8669], [-7.8630, -3.8154, -4.2674], [-7.2730, -4.1865, -5.5323]]
|
| 278 |
+
)
|
| 279 |
+
expected_boxes = torch.tensor([[0.5021, 0.4971, 0.9994], [0.2546, 0.5486, 0.4731], [0.1686, 0.1986, 0.2142]])
|
| 280 |
+
|
| 281 |
+
assert torch.allclose(outputs.logits[0, :3, :3], expected_logits.to(device), atol=1e-4)
|
| 282 |
+
assert torch.allclose(outputs.pred_boxes[0, :3, :3], expected_boxes.to(device), atol=1e-4)
|
| 283 |
+
print("Everything ok!")
|
| 284 |
+
|
| 285 |
+
if pytorch_dump_folder_path:
|
| 286 |
+
# Save model and processor
|
| 287 |
+
logger.info(f"Saving PyTorch model and processor to {pytorch_dump_folder_path}...")
|
| 288 |
+
Path(pytorch_dump_folder_path).mkdir(exist_ok=True)
|
| 289 |
+
model.save_pretrained(pytorch_dump_folder_path)
|
| 290 |
+
processor.save_pretrained(pytorch_dump_folder_path)
|
| 291 |
+
|
| 292 |
+
# Push to hub
|
| 293 |
+
if push_to_hub:
|
| 294 |
+
print("Pushing model and processor to hub...")
|
| 295 |
+
model.push_to_hub(f"jozhang97/{model_name}")
|
| 296 |
+
processor.push_to_hub(f"jozhang97/{model_name}")
|
| 297 |
+
|
| 298 |
+
|
| 299 |
+
if __name__ == "__main__":
|
| 300 |
+
parser = argparse.ArgumentParser()
|
| 301 |
+
|
| 302 |
+
parser.add_argument(
|
| 303 |
+
"--model_name",
|
| 304 |
+
type=str,
|
| 305 |
+
default="deta-resnet-50",
|
| 306 |
+
choices=["deta-resnet-50", "deta-resnet-50-24-epochs"],
|
| 307 |
+
help="Name of the model you'd like to convert.",
|
| 308 |
+
)
|
| 309 |
+
parser.add_argument(
|
| 310 |
+
"--pytorch_dump_folder_path",
|
| 311 |
+
default=None,
|
| 312 |
+
type=str,
|
| 313 |
+
help="Path to the folder to output PyTorch model.",
|
| 314 |
+
)
|
| 315 |
+
parser.add_argument(
|
| 316 |
+
"--push_to_hub", action="store_true", help="Whether or not to push the converted model to the 🤗 hub."
|
| 317 |
+
)
|
| 318 |
+
args = parser.parse_args()
|
| 319 |
+
convert_deta_checkpoint(args.model_name, args.pytorch_dump_folder_path, args.push_to_hub)
|
docs/transformers/build/lib/transformers/models/deprecated/deta/image_processing_deta.py
ADDED
|
@@ -0,0 +1,1227 @@
|
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|
|
|
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|
|
|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright 2022 The HuggingFace Inc. team. All rights reserved.
|
| 3 |
+
#
|
| 4 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 5 |
+
# you may not use this file except in compliance with the License.
|
| 6 |
+
# You may obtain a copy of the License at
|
| 7 |
+
#
|
| 8 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 9 |
+
#
|
| 10 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 11 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 12 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 13 |
+
# See the License for the specific language governing permissions and
|
| 14 |
+
# limitations under the License.
|
| 15 |
+
"""Image processor class for Deformable DETR."""
|
| 16 |
+
|
| 17 |
+
import pathlib
|
| 18 |
+
from typing import Any, Callable, Dict, Iterable, List, Optional, Tuple, Union
|
| 19 |
+
|
| 20 |
+
import numpy as np
|
| 21 |
+
|
| 22 |
+
from ....feature_extraction_utils import BatchFeature
|
| 23 |
+
from ....image_processing_utils import BaseImageProcessor, get_size_dict
|
| 24 |
+
from ....image_transforms import (
|
| 25 |
+
PaddingMode,
|
| 26 |
+
center_to_corners_format,
|
| 27 |
+
corners_to_center_format,
|
| 28 |
+
pad,
|
| 29 |
+
rescale,
|
| 30 |
+
resize,
|
| 31 |
+
rgb_to_id,
|
| 32 |
+
to_channel_dimension_format,
|
| 33 |
+
)
|
| 34 |
+
from ....image_utils import (
|
| 35 |
+
IMAGENET_DEFAULT_MEAN,
|
| 36 |
+
IMAGENET_DEFAULT_STD,
|
| 37 |
+
AnnotationFormat,
|
| 38 |
+
AnnotationType,
|
| 39 |
+
ChannelDimension,
|
| 40 |
+
ImageInput,
|
| 41 |
+
PILImageResampling,
|
| 42 |
+
get_image_size,
|
| 43 |
+
infer_channel_dimension_format,
|
| 44 |
+
is_batched,
|
| 45 |
+
is_scaled_image,
|
| 46 |
+
to_numpy_array,
|
| 47 |
+
valid_images,
|
| 48 |
+
validate_annotations,
|
| 49 |
+
validate_preprocess_arguments,
|
| 50 |
+
)
|
| 51 |
+
from ....utils import (
|
| 52 |
+
is_flax_available,
|
| 53 |
+
is_jax_tensor,
|
| 54 |
+
is_tf_available,
|
| 55 |
+
is_tf_tensor,
|
| 56 |
+
is_torch_available,
|
| 57 |
+
is_torch_tensor,
|
| 58 |
+
is_torchvision_available,
|
| 59 |
+
is_vision_available,
|
| 60 |
+
logging,
|
| 61 |
+
)
|
| 62 |
+
from ....utils.generic import TensorType
|
| 63 |
+
|
| 64 |
+
|
| 65 |
+
if is_torch_available():
|
| 66 |
+
import torch
|
| 67 |
+
|
| 68 |
+
|
| 69 |
+
if is_torchvision_available():
|
| 70 |
+
from torchvision.ops.boxes import batched_nms
|
| 71 |
+
|
| 72 |
+
if is_vision_available():
|
| 73 |
+
import PIL
|
| 74 |
+
|
| 75 |
+
|
| 76 |
+
logger = logging.get_logger(__name__) # pylint: disable=invalid-name
|
| 77 |
+
|
| 78 |
+
SUPPORTED_ANNOTATION_FORMATS = (AnnotationFormat.COCO_DETECTION, AnnotationFormat.COCO_PANOPTIC)
|
| 79 |
+
|
| 80 |
+
|
| 81 |
+
def get_size_with_aspect_ratio(image_size, size, max_size=None) -> Tuple[int, int]:
|
| 82 |
+
"""
|
| 83 |
+
Computes the output image size given the input image size and the desired output size.
|
| 84 |
+
|
| 85 |
+
Args:
|
| 86 |
+
image_size (`Tuple[int, int]`):
|
| 87 |
+
The input image size.
|
| 88 |
+
size (`int`):
|
| 89 |
+
The desired output size.
|
| 90 |
+
max_size (`int`, *optional*):
|
| 91 |
+
The maximum allowed output size.
|
| 92 |
+
"""
|
| 93 |
+
height, width = image_size
|
| 94 |
+
raw_size = None
|
| 95 |
+
if max_size is not None:
|
| 96 |
+
min_original_size = float(min((height, width)))
|
| 97 |
+
max_original_size = float(max((height, width)))
|
| 98 |
+
if max_original_size / min_original_size * size > max_size:
|
| 99 |
+
raw_size = max_size * min_original_size / max_original_size
|
| 100 |
+
size = int(round(raw_size))
|
| 101 |
+
|
| 102 |
+
if (height <= width and height == size) or (width <= height and width == size):
|
| 103 |
+
oh, ow = height, width
|
| 104 |
+
elif width < height:
|
| 105 |
+
ow = size
|
| 106 |
+
if max_size is not None and raw_size is not None:
|
| 107 |
+
oh = int(raw_size * height / width)
|
| 108 |
+
else:
|
| 109 |
+
oh = int(size * height / width)
|
| 110 |
+
else:
|
| 111 |
+
oh = size
|
| 112 |
+
if max_size is not None and raw_size is not None:
|
| 113 |
+
ow = int(raw_size * width / height)
|
| 114 |
+
else:
|
| 115 |
+
ow = int(size * width / height)
|
| 116 |
+
|
| 117 |
+
return (oh, ow)
|
| 118 |
+
|
| 119 |
+
|
| 120 |
+
def get_resize_output_image_size(
|
| 121 |
+
input_image: np.ndarray,
|
| 122 |
+
size: Union[int, Tuple[int, int], List[int]],
|
| 123 |
+
max_size: Optional[int] = None,
|
| 124 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 125 |
+
) -> Tuple[int, int]:
|
| 126 |
+
"""
|
| 127 |
+
Computes the output image size given the input image size and the desired output size. If the desired output size
|
| 128 |
+
is a tuple or list, the output image size is returned as is. If the desired output size is an integer, the output
|
| 129 |
+
image size is computed by keeping the aspect ratio of the input image size.
|
| 130 |
+
|
| 131 |
+
Args:
|
| 132 |
+
input_image (`np.ndarray`):
|
| 133 |
+
The image to resize.
|
| 134 |
+
size (`int` or `Tuple[int, int]` or `List[int]`):
|
| 135 |
+
The desired output size.
|
| 136 |
+
max_size (`int`, *optional*):
|
| 137 |
+
The maximum allowed output size.
|
| 138 |
+
input_data_format (`ChannelDimension` or `str`, *optional*):
|
| 139 |
+
The channel dimension format of the input image. If not provided, it will be inferred from the input image.
|
| 140 |
+
"""
|
| 141 |
+
image_size = get_image_size(input_image, input_data_format)
|
| 142 |
+
if isinstance(size, (list, tuple)):
|
| 143 |
+
return size
|
| 144 |
+
|
| 145 |
+
return get_size_with_aspect_ratio(image_size, size, max_size)
|
| 146 |
+
|
| 147 |
+
|
| 148 |
+
def get_image_size_for_max_height_width(
|
| 149 |
+
input_image: np.ndarray,
|
| 150 |
+
max_height: int,
|
| 151 |
+
max_width: int,
|
| 152 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 153 |
+
) -> Tuple[int, int]:
|
| 154 |
+
"""
|
| 155 |
+
Computes the output image size given the input image and the maximum allowed height and width. Keep aspect ratio.
|
| 156 |
+
Important, even if image_height < max_height and image_width < max_width, the image will be resized
|
| 157 |
+
to at least one of the edges be equal to max_height or max_width.
|
| 158 |
+
|
| 159 |
+
For example:
|
| 160 |
+
- input_size: (100, 200), max_height: 50, max_width: 50 -> output_size: (25, 50)
|
| 161 |
+
- input_size: (100, 200), max_height: 200, max_width: 500 -> output_size: (200, 400)
|
| 162 |
+
|
| 163 |
+
Args:
|
| 164 |
+
input_image (`np.ndarray`):
|
| 165 |
+
The image to resize.
|
| 166 |
+
max_height (`int`):
|
| 167 |
+
The maximum allowed height.
|
| 168 |
+
max_width (`int`):
|
| 169 |
+
The maximum allowed width.
|
| 170 |
+
input_data_format (`ChannelDimension` or `str`, *optional*):
|
| 171 |
+
The channel dimension format of the input image. If not provided, it will be inferred from the input image.
|
| 172 |
+
"""
|
| 173 |
+
image_size = get_image_size(input_image, input_data_format)
|
| 174 |
+
height, width = image_size
|
| 175 |
+
height_scale = max_height / height
|
| 176 |
+
width_scale = max_width / width
|
| 177 |
+
min_scale = min(height_scale, width_scale)
|
| 178 |
+
new_height = int(height * min_scale)
|
| 179 |
+
new_width = int(width * min_scale)
|
| 180 |
+
return new_height, new_width
|
| 181 |
+
|
| 182 |
+
|
| 183 |
+
def get_numpy_to_framework_fn(arr) -> Callable:
|
| 184 |
+
"""
|
| 185 |
+
Returns a function that converts a numpy array to the framework of the input array.
|
| 186 |
+
|
| 187 |
+
Args:
|
| 188 |
+
arr (`np.ndarray`): The array to convert.
|
| 189 |
+
"""
|
| 190 |
+
if isinstance(arr, np.ndarray):
|
| 191 |
+
return np.array
|
| 192 |
+
if is_tf_available() and is_tf_tensor(arr):
|
| 193 |
+
import tensorflow as tf
|
| 194 |
+
|
| 195 |
+
return tf.convert_to_tensor
|
| 196 |
+
if is_torch_available() and is_torch_tensor(arr):
|
| 197 |
+
import torch
|
| 198 |
+
|
| 199 |
+
return torch.tensor
|
| 200 |
+
if is_flax_available() and is_jax_tensor(arr):
|
| 201 |
+
import jax.numpy as jnp
|
| 202 |
+
|
| 203 |
+
return jnp.array
|
| 204 |
+
raise ValueError(f"Cannot convert arrays of type {type(arr)}")
|
| 205 |
+
|
| 206 |
+
|
| 207 |
+
def safe_squeeze(arr: np.ndarray, axis: Optional[int] = None) -> np.ndarray:
|
| 208 |
+
"""
|
| 209 |
+
Squeezes an array, but only if the axis specified has dim 1.
|
| 210 |
+
"""
|
| 211 |
+
if axis is None:
|
| 212 |
+
return arr.squeeze()
|
| 213 |
+
|
| 214 |
+
try:
|
| 215 |
+
return arr.squeeze(axis=axis)
|
| 216 |
+
except ValueError:
|
| 217 |
+
return arr
|
| 218 |
+
|
| 219 |
+
|
| 220 |
+
def normalize_annotation(annotation: Dict, image_size: Tuple[int, int]) -> Dict:
|
| 221 |
+
image_height, image_width = image_size
|
| 222 |
+
norm_annotation = {}
|
| 223 |
+
for key, value in annotation.items():
|
| 224 |
+
if key == "boxes":
|
| 225 |
+
boxes = value
|
| 226 |
+
boxes = corners_to_center_format(boxes)
|
| 227 |
+
boxes /= np.asarray([image_width, image_height, image_width, image_height], dtype=np.float32)
|
| 228 |
+
norm_annotation[key] = boxes
|
| 229 |
+
else:
|
| 230 |
+
norm_annotation[key] = value
|
| 231 |
+
return norm_annotation
|
| 232 |
+
|
| 233 |
+
|
| 234 |
+
def max_across_indices(values: Iterable[Any]) -> List[Any]:
|
| 235 |
+
"""
|
| 236 |
+
Return the maximum value across all indices of an iterable of values.
|
| 237 |
+
"""
|
| 238 |
+
return [max(values_i) for values_i in zip(*values)]
|
| 239 |
+
|
| 240 |
+
|
| 241 |
+
def get_max_height_width(
|
| 242 |
+
images: List[np.ndarray], input_data_format: Optional[Union[str, ChannelDimension]] = None
|
| 243 |
+
) -> List[int]:
|
| 244 |
+
"""
|
| 245 |
+
Get the maximum height and width across all images in a batch.
|
| 246 |
+
"""
|
| 247 |
+
if input_data_format is None:
|
| 248 |
+
input_data_format = infer_channel_dimension_format(images[0])
|
| 249 |
+
|
| 250 |
+
if input_data_format == ChannelDimension.FIRST:
|
| 251 |
+
_, max_height, max_width = max_across_indices([img.shape for img in images])
|
| 252 |
+
elif input_data_format == ChannelDimension.LAST:
|
| 253 |
+
max_height, max_width, _ = max_across_indices([img.shape for img in images])
|
| 254 |
+
else:
|
| 255 |
+
raise ValueError(f"Invalid channel dimension format: {input_data_format}")
|
| 256 |
+
return (max_height, max_width)
|
| 257 |
+
|
| 258 |
+
|
| 259 |
+
def make_pixel_mask(
|
| 260 |
+
image: np.ndarray, output_size: Tuple[int, int], input_data_format: Optional[Union[str, ChannelDimension]] = None
|
| 261 |
+
) -> np.ndarray:
|
| 262 |
+
"""
|
| 263 |
+
Make a pixel mask for the image, where 1 indicates a valid pixel and 0 indicates padding.
|
| 264 |
+
|
| 265 |
+
Args:
|
| 266 |
+
image (`np.ndarray`):
|
| 267 |
+
Image to make the pixel mask for.
|
| 268 |
+
output_size (`Tuple[int, int]`):
|
| 269 |
+
Output size of the mask.
|
| 270 |
+
"""
|
| 271 |
+
input_height, input_width = get_image_size(image, channel_dim=input_data_format)
|
| 272 |
+
mask = np.zeros(output_size, dtype=np.int64)
|
| 273 |
+
mask[:input_height, :input_width] = 1
|
| 274 |
+
return mask
|
| 275 |
+
|
| 276 |
+
|
| 277 |
+
def convert_coco_poly_to_mask(segmentations, height: int, width: int) -> np.ndarray:
|
| 278 |
+
"""
|
| 279 |
+
Convert a COCO polygon annotation to a mask.
|
| 280 |
+
|
| 281 |
+
Args:
|
| 282 |
+
segmentations (`List[List[float]]`):
|
| 283 |
+
List of polygons, each polygon represented by a list of x-y coordinates.
|
| 284 |
+
height (`int`):
|
| 285 |
+
Height of the mask.
|
| 286 |
+
width (`int`):
|
| 287 |
+
Width of the mask.
|
| 288 |
+
"""
|
| 289 |
+
try:
|
| 290 |
+
from pycocotools import mask as coco_mask
|
| 291 |
+
except ImportError:
|
| 292 |
+
raise ImportError("Pycocotools is not installed in your environment.")
|
| 293 |
+
|
| 294 |
+
masks = []
|
| 295 |
+
for polygons in segmentations:
|
| 296 |
+
rles = coco_mask.frPyObjects(polygons, height, width)
|
| 297 |
+
mask = coco_mask.decode(rles)
|
| 298 |
+
if len(mask.shape) < 3:
|
| 299 |
+
mask = mask[..., None]
|
| 300 |
+
mask = np.asarray(mask, dtype=np.uint8)
|
| 301 |
+
mask = np.any(mask, axis=2)
|
| 302 |
+
masks.append(mask)
|
| 303 |
+
if masks:
|
| 304 |
+
masks = np.stack(masks, axis=0)
|
| 305 |
+
else:
|
| 306 |
+
masks = np.zeros((0, height, width), dtype=np.uint8)
|
| 307 |
+
|
| 308 |
+
return masks
|
| 309 |
+
|
| 310 |
+
|
| 311 |
+
def prepare_coco_detection_annotation(
|
| 312 |
+
image,
|
| 313 |
+
target,
|
| 314 |
+
return_segmentation_masks: bool = False,
|
| 315 |
+
input_data_format: Optional[Union[ChannelDimension, str]] = None,
|
| 316 |
+
):
|
| 317 |
+
"""
|
| 318 |
+
Convert the target in COCO format into the format expected by DETA.
|
| 319 |
+
"""
|
| 320 |
+
image_height, image_width = get_image_size(image, channel_dim=input_data_format)
|
| 321 |
+
|
| 322 |
+
image_id = target["image_id"]
|
| 323 |
+
image_id = np.asarray([image_id], dtype=np.int64)
|
| 324 |
+
|
| 325 |
+
# Get all COCO annotations for the given image.
|
| 326 |
+
annotations = target["annotations"]
|
| 327 |
+
annotations = [obj for obj in annotations if "iscrowd" not in obj or obj["iscrowd"] == 0]
|
| 328 |
+
|
| 329 |
+
classes = [obj["category_id"] for obj in annotations]
|
| 330 |
+
classes = np.asarray(classes, dtype=np.int64)
|
| 331 |
+
|
| 332 |
+
# for conversion to coco api
|
| 333 |
+
area = np.asarray([obj["area"] for obj in annotations], dtype=np.float32)
|
| 334 |
+
iscrowd = np.asarray([obj["iscrowd"] if "iscrowd" in obj else 0 for obj in annotations], dtype=np.int64)
|
| 335 |
+
|
| 336 |
+
boxes = [obj["bbox"] for obj in annotations]
|
| 337 |
+
# guard against no boxes via resizing
|
| 338 |
+
boxes = np.asarray(boxes, dtype=np.float32).reshape(-1, 4)
|
| 339 |
+
boxes[:, 2:] += boxes[:, :2]
|
| 340 |
+
boxes[:, 0::2] = boxes[:, 0::2].clip(min=0, max=image_width)
|
| 341 |
+
boxes[:, 1::2] = boxes[:, 1::2].clip(min=0, max=image_height)
|
| 342 |
+
|
| 343 |
+
keep = (boxes[:, 3] > boxes[:, 1]) & (boxes[:, 2] > boxes[:, 0])
|
| 344 |
+
|
| 345 |
+
new_target = {}
|
| 346 |
+
new_target["image_id"] = image_id
|
| 347 |
+
new_target["class_labels"] = classes[keep]
|
| 348 |
+
new_target["boxes"] = boxes[keep]
|
| 349 |
+
new_target["area"] = area[keep]
|
| 350 |
+
new_target["iscrowd"] = iscrowd[keep]
|
| 351 |
+
new_target["orig_size"] = np.asarray([int(image_height), int(image_width)], dtype=np.int64)
|
| 352 |
+
|
| 353 |
+
if annotations and "keypoints" in annotations[0]:
|
| 354 |
+
keypoints = [obj["keypoints"] for obj in annotations]
|
| 355 |
+
# Converting the filtered keypoints list to a numpy array
|
| 356 |
+
keypoints = np.asarray(keypoints, dtype=np.float32)
|
| 357 |
+
# Apply the keep mask here to filter the relevant annotations
|
| 358 |
+
keypoints = keypoints[keep]
|
| 359 |
+
num_keypoints = keypoints.shape[0]
|
| 360 |
+
keypoints = keypoints.reshape((-1, 3)) if num_keypoints else keypoints
|
| 361 |
+
new_target["keypoints"] = keypoints
|
| 362 |
+
|
| 363 |
+
if return_segmentation_masks:
|
| 364 |
+
segmentation_masks = [obj["segmentation"] for obj in annotations]
|
| 365 |
+
masks = convert_coco_poly_to_mask(segmentation_masks, image_height, image_width)
|
| 366 |
+
new_target["masks"] = masks[keep]
|
| 367 |
+
|
| 368 |
+
return new_target
|
| 369 |
+
|
| 370 |
+
|
| 371 |
+
def masks_to_boxes(masks: np.ndarray) -> np.ndarray:
|
| 372 |
+
"""
|
| 373 |
+
Compute the bounding boxes around the provided panoptic segmentation masks.
|
| 374 |
+
|
| 375 |
+
Args:
|
| 376 |
+
masks: masks in format `[number_masks, height, width]` where N is the number of masks
|
| 377 |
+
|
| 378 |
+
Returns:
|
| 379 |
+
boxes: bounding boxes in format `[number_masks, 4]` in xyxy format
|
| 380 |
+
"""
|
| 381 |
+
if masks.size == 0:
|
| 382 |
+
return np.zeros((0, 4))
|
| 383 |
+
|
| 384 |
+
h, w = masks.shape[-2:]
|
| 385 |
+
y = np.arange(0, h, dtype=np.float32)
|
| 386 |
+
x = np.arange(0, w, dtype=np.float32)
|
| 387 |
+
# see https://github.com/pytorch/pytorch/issues/50276
|
| 388 |
+
y, x = np.meshgrid(y, x, indexing="ij")
|
| 389 |
+
|
| 390 |
+
x_mask = masks * np.expand_dims(x, axis=0)
|
| 391 |
+
x_max = x_mask.reshape(x_mask.shape[0], -1).max(-1)
|
| 392 |
+
x = np.ma.array(x_mask, mask=~(np.array(masks, dtype=bool)))
|
| 393 |
+
x_min = x.filled(fill_value=1e8)
|
| 394 |
+
x_min = x_min.reshape(x_min.shape[0], -1).min(-1)
|
| 395 |
+
|
| 396 |
+
y_mask = masks * np.expand_dims(y, axis=0)
|
| 397 |
+
y_max = y_mask.reshape(x_mask.shape[0], -1).max(-1)
|
| 398 |
+
y = np.ma.array(y_mask, mask=~(np.array(masks, dtype=bool)))
|
| 399 |
+
y_min = y.filled(fill_value=1e8)
|
| 400 |
+
y_min = y_min.reshape(y_min.shape[0], -1).min(-1)
|
| 401 |
+
|
| 402 |
+
return np.stack([x_min, y_min, x_max, y_max], 1)
|
| 403 |
+
|
| 404 |
+
|
| 405 |
+
def prepare_coco_panoptic_annotation(
|
| 406 |
+
image: np.ndarray,
|
| 407 |
+
target: Dict,
|
| 408 |
+
masks_path: Union[str, pathlib.Path],
|
| 409 |
+
return_masks: bool = True,
|
| 410 |
+
input_data_format: Union[ChannelDimension, str] = None,
|
| 411 |
+
) -> Dict:
|
| 412 |
+
"""
|
| 413 |
+
Prepare a coco panoptic annotation for DETA.
|
| 414 |
+
"""
|
| 415 |
+
image_height, image_width = get_image_size(image, channel_dim=input_data_format)
|
| 416 |
+
annotation_path = pathlib.Path(masks_path) / target["file_name"]
|
| 417 |
+
|
| 418 |
+
new_target = {}
|
| 419 |
+
new_target["image_id"] = np.asarray([target["image_id"] if "image_id" in target else target["id"]], dtype=np.int64)
|
| 420 |
+
new_target["size"] = np.asarray([image_height, image_width], dtype=np.int64)
|
| 421 |
+
new_target["orig_size"] = np.asarray([image_height, image_width], dtype=np.int64)
|
| 422 |
+
|
| 423 |
+
if "segments_info" in target:
|
| 424 |
+
masks = np.asarray(PIL.Image.open(annotation_path), dtype=np.uint32)
|
| 425 |
+
masks = rgb_to_id(masks)
|
| 426 |
+
|
| 427 |
+
ids = np.array([segment_info["id"] for segment_info in target["segments_info"]])
|
| 428 |
+
masks = masks == ids[:, None, None]
|
| 429 |
+
masks = masks.astype(np.uint8)
|
| 430 |
+
if return_masks:
|
| 431 |
+
new_target["masks"] = masks
|
| 432 |
+
new_target["boxes"] = masks_to_boxes(masks)
|
| 433 |
+
new_target["class_labels"] = np.array(
|
| 434 |
+
[segment_info["category_id"] for segment_info in target["segments_info"]], dtype=np.int64
|
| 435 |
+
)
|
| 436 |
+
new_target["iscrowd"] = np.asarray(
|
| 437 |
+
[segment_info["iscrowd"] for segment_info in target["segments_info"]], dtype=np.int64
|
| 438 |
+
)
|
| 439 |
+
new_target["area"] = np.asarray(
|
| 440 |
+
[segment_info["area"] for segment_info in target["segments_info"]], dtype=np.float32
|
| 441 |
+
)
|
| 442 |
+
|
| 443 |
+
return new_target
|
| 444 |
+
|
| 445 |
+
|
| 446 |
+
def resize_annotation(
|
| 447 |
+
annotation: Dict[str, Any],
|
| 448 |
+
orig_size: Tuple[int, int],
|
| 449 |
+
target_size: Tuple[int, int],
|
| 450 |
+
threshold: float = 0.5,
|
| 451 |
+
resample: PILImageResampling = PILImageResampling.NEAREST,
|
| 452 |
+
):
|
| 453 |
+
"""
|
| 454 |
+
Resizes an annotation to a target size.
|
| 455 |
+
|
| 456 |
+
Args:
|
| 457 |
+
annotation (`Dict[str, Any]`):
|
| 458 |
+
The annotation dictionary.
|
| 459 |
+
orig_size (`Tuple[int, int]`):
|
| 460 |
+
The original size of the input image.
|
| 461 |
+
target_size (`Tuple[int, int]`):
|
| 462 |
+
The target size of the image, as returned by the preprocessing `resize` step.
|
| 463 |
+
threshold (`float`, *optional*, defaults to 0.5):
|
| 464 |
+
The threshold used to binarize the segmentation masks.
|
| 465 |
+
resample (`PILImageResampling`, defaults to `PILImageResampling.NEAREST`):
|
| 466 |
+
The resampling filter to use when resizing the masks.
|
| 467 |
+
"""
|
| 468 |
+
ratios = tuple(float(s) / float(s_orig) for s, s_orig in zip(target_size, orig_size))
|
| 469 |
+
ratio_height, ratio_width = ratios
|
| 470 |
+
|
| 471 |
+
new_annotation = {}
|
| 472 |
+
new_annotation["size"] = target_size
|
| 473 |
+
|
| 474 |
+
for key, value in annotation.items():
|
| 475 |
+
if key == "boxes":
|
| 476 |
+
boxes = value
|
| 477 |
+
scaled_boxes = boxes * np.asarray([ratio_width, ratio_height, ratio_width, ratio_height], dtype=np.float32)
|
| 478 |
+
new_annotation["boxes"] = scaled_boxes
|
| 479 |
+
elif key == "area":
|
| 480 |
+
area = value
|
| 481 |
+
scaled_area = area * (ratio_width * ratio_height)
|
| 482 |
+
new_annotation["area"] = scaled_area
|
| 483 |
+
elif key == "masks":
|
| 484 |
+
masks = value[:, None]
|
| 485 |
+
masks = np.array([resize(mask, target_size, resample=resample) for mask in masks])
|
| 486 |
+
masks = masks.astype(np.float32)
|
| 487 |
+
masks = masks[:, 0] > threshold
|
| 488 |
+
new_annotation["masks"] = masks
|
| 489 |
+
elif key == "size":
|
| 490 |
+
new_annotation["size"] = target_size
|
| 491 |
+
else:
|
| 492 |
+
new_annotation[key] = value
|
| 493 |
+
|
| 494 |
+
return new_annotation
|
| 495 |
+
|
| 496 |
+
|
| 497 |
+
class DetaImageProcessor(BaseImageProcessor):
|
| 498 |
+
r"""
|
| 499 |
+
Constructs a Deformable DETR image processor.
|
| 500 |
+
|
| 501 |
+
Args:
|
| 502 |
+
format (`str`, *optional*, defaults to `"coco_detection"`):
|
| 503 |
+
Data format of the annotations. One of "coco_detection" or "coco_panoptic".
|
| 504 |
+
do_resize (`bool`, *optional*, defaults to `True`):
|
| 505 |
+
Controls whether to resize the image's (height, width) dimensions to the specified `size`. Can be
|
| 506 |
+
overridden by the `do_resize` parameter in the `preprocess` method.
|
| 507 |
+
size (`Dict[str, int]` *optional*, defaults to `{"shortest_edge": 800, "longest_edge": 1333}`):
|
| 508 |
+
Size of the image's `(height, width)` dimensions after resizing. Can be overridden by the `size` parameter
|
| 509 |
+
in the `preprocess` method. Available options are:
|
| 510 |
+
- `{"height": int, "width": int}`: The image will be resized to the exact size `(height, width)`.
|
| 511 |
+
Do NOT keep the aspect ratio.
|
| 512 |
+
- `{"shortest_edge": int, "longest_edge": int}`: The image will be resized to a maximum size respecting
|
| 513 |
+
the aspect ratio and keeping the shortest edge less or equal to `shortest_edge` and the longest edge
|
| 514 |
+
less or equal to `longest_edge`.
|
| 515 |
+
- `{"max_height": int, "max_width": int}`: The image will be resized to the maximum size respecting the
|
| 516 |
+
aspect ratio and keeping the height less or equal to `max_height` and the width less or equal to
|
| 517 |
+
`max_width`.
|
| 518 |
+
resample (`PILImageResampling`, *optional*, defaults to `PILImageResampling.BILINEAR`):
|
| 519 |
+
Resampling filter to use if resizing the image.
|
| 520 |
+
do_rescale (`bool`, *optional*, defaults to `True`):
|
| 521 |
+
Controls whether to rescale the image by the specified scale `rescale_factor`. Can be overridden by the
|
| 522 |
+
`do_rescale` parameter in the `preprocess` method.
|
| 523 |
+
rescale_factor (`int` or `float`, *optional*, defaults to `1/255`):
|
| 524 |
+
Scale factor to use if rescaling the image. Can be overridden by the `rescale_factor` parameter in the
|
| 525 |
+
`preprocess` method.
|
| 526 |
+
do_normalize:
|
| 527 |
+
Controls whether to normalize the image. Can be overridden by the `do_normalize` parameter in the
|
| 528 |
+
`preprocess` method.
|
| 529 |
+
image_mean (`float` or `List[float]`, *optional*, defaults to `IMAGENET_DEFAULT_MEAN`):
|
| 530 |
+
Mean values to use when normalizing the image. Can be a single value or a list of values, one for each
|
| 531 |
+
channel. Can be overridden by the `image_mean` parameter in the `preprocess` method.
|
| 532 |
+
image_std (`float` or `List[float]`, *optional*, defaults to `IMAGENET_DEFAULT_STD`):
|
| 533 |
+
Standard deviation values to use when normalizing the image. Can be a single value or a list of values, one
|
| 534 |
+
for each channel. Can be overridden by the `image_std` parameter in the `preprocess` method.
|
| 535 |
+
do_convert_annotations (`bool`, *optional*, defaults to `True`):
|
| 536 |
+
Controls whether to convert the annotations to the format expected by the DETR model. Converts the
|
| 537 |
+
bounding boxes to the format `(center_x, center_y, width, height)` and in the range `[0, 1]`.
|
| 538 |
+
Can be overridden by the `do_convert_annotations` parameter in the `preprocess` method.
|
| 539 |
+
do_pad (`bool`, *optional*, defaults to `True`):
|
| 540 |
+
Controls whether to pad the image. Can be overridden by the `do_pad` parameter in the `preprocess`
|
| 541 |
+
method. If `True`, padding will be applied to the bottom and right of the image with zeros.
|
| 542 |
+
If `pad_size` is provided, the image will be padded to the specified dimensions.
|
| 543 |
+
Otherwise, the image will be padded to the maximum height and width of the batch.
|
| 544 |
+
pad_size (`Dict[str, int]`, *optional*):
|
| 545 |
+
The size `{"height": int, "width" int}` to pad the images to. Must be larger than any image size
|
| 546 |
+
provided for preprocessing. If `pad_size` is not provided, images will be padded to the largest
|
| 547 |
+
height and width in the batch.
|
| 548 |
+
"""
|
| 549 |
+
|
| 550 |
+
model_input_names = ["pixel_values", "pixel_mask"]
|
| 551 |
+
|
| 552 |
+
def __init__(
|
| 553 |
+
self,
|
| 554 |
+
format: Union[str, AnnotationFormat] = AnnotationFormat.COCO_DETECTION,
|
| 555 |
+
do_resize: bool = True,
|
| 556 |
+
size: Dict[str, int] = None,
|
| 557 |
+
resample: PILImageResampling = PILImageResampling.BILINEAR,
|
| 558 |
+
do_rescale: bool = True,
|
| 559 |
+
rescale_factor: Union[int, float] = 1 / 255,
|
| 560 |
+
do_normalize: bool = True,
|
| 561 |
+
image_mean: Union[float, List[float]] = None,
|
| 562 |
+
image_std: Union[float, List[float]] = None,
|
| 563 |
+
do_convert_annotations: bool = True,
|
| 564 |
+
do_pad: bool = True,
|
| 565 |
+
pad_size: Optional[Dict[str, int]] = None,
|
| 566 |
+
**kwargs,
|
| 567 |
+
) -> None:
|
| 568 |
+
if "pad_and_return_pixel_mask" in kwargs:
|
| 569 |
+
do_pad = kwargs.pop("pad_and_return_pixel_mask")
|
| 570 |
+
|
| 571 |
+
size = size if size is not None else {"shortest_edge": 800, "longest_edge": 1333}
|
| 572 |
+
size = get_size_dict(size, default_to_square=False)
|
| 573 |
+
|
| 574 |
+
if do_convert_annotations is None:
|
| 575 |
+
do_convert_annotations = do_normalize
|
| 576 |
+
|
| 577 |
+
super().__init__(**kwargs)
|
| 578 |
+
self.format = format
|
| 579 |
+
self.do_resize = do_resize
|
| 580 |
+
self.size = size
|
| 581 |
+
self.resample = resample
|
| 582 |
+
self.do_rescale = do_rescale
|
| 583 |
+
self.rescale_factor = rescale_factor
|
| 584 |
+
self.do_normalize = do_normalize
|
| 585 |
+
self.do_convert_annotations = do_convert_annotations
|
| 586 |
+
self.image_mean = image_mean if image_mean is not None else IMAGENET_DEFAULT_MEAN
|
| 587 |
+
self.image_std = image_std if image_std is not None else IMAGENET_DEFAULT_STD
|
| 588 |
+
self.do_pad = do_pad
|
| 589 |
+
self.pad_size = pad_size
|
| 590 |
+
|
| 591 |
+
def prepare_annotation(
|
| 592 |
+
self,
|
| 593 |
+
image: np.ndarray,
|
| 594 |
+
target: Dict,
|
| 595 |
+
format: Optional[AnnotationFormat] = None,
|
| 596 |
+
return_segmentation_masks: Optional[bool] = None,
|
| 597 |
+
masks_path: Optional[Union[str, pathlib.Path]] = None,
|
| 598 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 599 |
+
) -> Dict:
|
| 600 |
+
"""
|
| 601 |
+
Prepare an annotation for feeding into DETA model.
|
| 602 |
+
"""
|
| 603 |
+
format = format if format is not None else self.format
|
| 604 |
+
|
| 605 |
+
if format == AnnotationFormat.COCO_DETECTION:
|
| 606 |
+
return_segmentation_masks = False if return_segmentation_masks is None else return_segmentation_masks
|
| 607 |
+
target = prepare_coco_detection_annotation(
|
| 608 |
+
image, target, return_segmentation_masks, input_data_format=input_data_format
|
| 609 |
+
)
|
| 610 |
+
elif format == AnnotationFormat.COCO_PANOPTIC:
|
| 611 |
+
return_segmentation_masks = True if return_segmentation_masks is None else return_segmentation_masks
|
| 612 |
+
target = prepare_coco_panoptic_annotation(
|
| 613 |
+
image,
|
| 614 |
+
target,
|
| 615 |
+
masks_path=masks_path,
|
| 616 |
+
return_masks=return_segmentation_masks,
|
| 617 |
+
input_data_format=input_data_format,
|
| 618 |
+
)
|
| 619 |
+
else:
|
| 620 |
+
raise ValueError(f"Format {format} is not supported.")
|
| 621 |
+
return target
|
| 622 |
+
|
| 623 |
+
def resize(
|
| 624 |
+
self,
|
| 625 |
+
image: np.ndarray,
|
| 626 |
+
size: Dict[str, int],
|
| 627 |
+
resample: PILImageResampling = PILImageResampling.BILINEAR,
|
| 628 |
+
data_format: Optional[ChannelDimension] = None,
|
| 629 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 630 |
+
**kwargs,
|
| 631 |
+
) -> np.ndarray:
|
| 632 |
+
"""
|
| 633 |
+
Resize the image to the given size. Size can be `min_size` (scalar) or `(height, width)` tuple. If size is an
|
| 634 |
+
int, smaller edge of the image will be matched to this number.
|
| 635 |
+
|
| 636 |
+
Args:
|
| 637 |
+
image (`np.ndarray`):
|
| 638 |
+
Image to resize.
|
| 639 |
+
size (`Dict[str, int]`):
|
| 640 |
+
Size of the image's `(height, width)` dimensions after resizing. Available options are:
|
| 641 |
+
- `{"height": int, "width": int}`: The image will be resized to the exact size `(height, width)`.
|
| 642 |
+
Do NOT keep the aspect ratio.
|
| 643 |
+
- `{"shortest_edge": int, "longest_edge": int}`: The image will be resized to a maximum size respecting
|
| 644 |
+
the aspect ratio and keeping the shortest edge less or equal to `shortest_edge` and the longest edge
|
| 645 |
+
less or equal to `longest_edge`.
|
| 646 |
+
- `{"max_height": int, "max_width": int}`: The image will be resized to the maximum size respecting the
|
| 647 |
+
aspect ratio and keeping the height less or equal to `max_height` and the width less or equal to
|
| 648 |
+
`max_width`.
|
| 649 |
+
resample (`PILImageResampling`, *optional*, defaults to `PILImageResampling.BILINEAR`):
|
| 650 |
+
Resampling filter to use if resizing the image.
|
| 651 |
+
data_format (`ChannelDimension`, *optional*):
|
| 652 |
+
The channel dimension format for the output image. If unset, the channel dimension format of the input
|
| 653 |
+
image is used.
|
| 654 |
+
input_data_format (`ChannelDimension` or `str`, *optional*):
|
| 655 |
+
The channel dimension format of the input image. If not provided, it will be inferred from the input
|
| 656 |
+
image.
|
| 657 |
+
"""
|
| 658 |
+
size = get_size_dict(size, default_to_square=False)
|
| 659 |
+
if "shortest_edge" in size and "longest_edge" in size:
|
| 660 |
+
new_size = get_resize_output_image_size(
|
| 661 |
+
image, size["shortest_edge"], size["longest_edge"], input_data_format=input_data_format
|
| 662 |
+
)
|
| 663 |
+
elif "height" in size and "width" in size:
|
| 664 |
+
new_size = (size["height"], size["width"])
|
| 665 |
+
elif "max_height" in size and "max_width" in size:
|
| 666 |
+
new_size = get_image_size_for_max_height_width(
|
| 667 |
+
image, size["max_height"], size["max_width"], input_data_format=input_data_format
|
| 668 |
+
)
|
| 669 |
+
else:
|
| 670 |
+
raise ValueError(
|
| 671 |
+
"Size must contain 'height' and 'width' keys or 'shortest_edge' and 'longest_edge' keys. Got"
|
| 672 |
+
f" {size.keys()}."
|
| 673 |
+
)
|
| 674 |
+
image = resize(
|
| 675 |
+
image, size=new_size, resample=resample, data_format=data_format, input_data_format=input_data_format
|
| 676 |
+
)
|
| 677 |
+
return image
|
| 678 |
+
|
| 679 |
+
def resize_annotation(
|
| 680 |
+
self,
|
| 681 |
+
annotation,
|
| 682 |
+
orig_size,
|
| 683 |
+
size,
|
| 684 |
+
resample: PILImageResampling = PILImageResampling.NEAREST,
|
| 685 |
+
) -> Dict:
|
| 686 |
+
"""
|
| 687 |
+
Resize the annotation to match the resized image. If size is an int, smaller edge of the mask will be matched
|
| 688 |
+
to this number.
|
| 689 |
+
"""
|
| 690 |
+
return resize_annotation(annotation, orig_size=orig_size, target_size=size, resample=resample)
|
| 691 |
+
|
| 692 |
+
def rescale(
|
| 693 |
+
self,
|
| 694 |
+
image: np.ndarray,
|
| 695 |
+
rescale_factor: float,
|
| 696 |
+
data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 697 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 698 |
+
) -> np.ndarray:
|
| 699 |
+
"""
|
| 700 |
+
Rescale the image by the given factor. image = image * rescale_factor.
|
| 701 |
+
|
| 702 |
+
Args:
|
| 703 |
+
image (`np.ndarray`):
|
| 704 |
+
Image to rescale.
|
| 705 |
+
rescale_factor (`float`):
|
| 706 |
+
The value to use for rescaling.
|
| 707 |
+
data_format (`str` or `ChannelDimension`, *optional*):
|
| 708 |
+
The channel dimension format for the output image. If unset, the channel dimension format of the input
|
| 709 |
+
image is used. Can be one of:
|
| 710 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 711 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 712 |
+
input_data_format (`str` or `ChannelDimension`, *optional*):
|
| 713 |
+
The channel dimension format for the input image. If unset, is inferred from the input image. Can be
|
| 714 |
+
one of:
|
| 715 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 716 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 717 |
+
"""
|
| 718 |
+
return rescale(image, rescale_factor, data_format=data_format, input_data_format=input_data_format)
|
| 719 |
+
|
| 720 |
+
def normalize_annotation(self, annotation: Dict, image_size: Tuple[int, int]) -> Dict:
|
| 721 |
+
"""
|
| 722 |
+
Normalize the boxes in the annotation from `[top_left_x, top_left_y, bottom_right_x, bottom_right_y]` to
|
| 723 |
+
`[center_x, center_y, width, height]` format and from absolute to relative pixel values.
|
| 724 |
+
"""
|
| 725 |
+
return normalize_annotation(annotation, image_size=image_size)
|
| 726 |
+
|
| 727 |
+
def _update_annotation_for_padded_image(
|
| 728 |
+
self,
|
| 729 |
+
annotation: Dict,
|
| 730 |
+
input_image_size: Tuple[int, int],
|
| 731 |
+
output_image_size: Tuple[int, int],
|
| 732 |
+
padding,
|
| 733 |
+
update_bboxes,
|
| 734 |
+
) -> Dict:
|
| 735 |
+
"""
|
| 736 |
+
Update the annotation for a padded image.
|
| 737 |
+
"""
|
| 738 |
+
new_annotation = {}
|
| 739 |
+
new_annotation["size"] = output_image_size
|
| 740 |
+
|
| 741 |
+
for key, value in annotation.items():
|
| 742 |
+
if key == "masks":
|
| 743 |
+
masks = value
|
| 744 |
+
masks = pad(
|
| 745 |
+
masks,
|
| 746 |
+
padding,
|
| 747 |
+
mode=PaddingMode.CONSTANT,
|
| 748 |
+
constant_values=0,
|
| 749 |
+
input_data_format=ChannelDimension.FIRST,
|
| 750 |
+
)
|
| 751 |
+
masks = safe_squeeze(masks, 1)
|
| 752 |
+
new_annotation["masks"] = masks
|
| 753 |
+
elif key == "boxes" and update_bboxes:
|
| 754 |
+
boxes = value
|
| 755 |
+
boxes *= np.asarray(
|
| 756 |
+
[
|
| 757 |
+
input_image_size[1] / output_image_size[1],
|
| 758 |
+
input_image_size[0] / output_image_size[0],
|
| 759 |
+
input_image_size[1] / output_image_size[1],
|
| 760 |
+
input_image_size[0] / output_image_size[0],
|
| 761 |
+
]
|
| 762 |
+
)
|
| 763 |
+
new_annotation["boxes"] = boxes
|
| 764 |
+
elif key == "size":
|
| 765 |
+
new_annotation["size"] = output_image_size
|
| 766 |
+
else:
|
| 767 |
+
new_annotation[key] = value
|
| 768 |
+
return new_annotation
|
| 769 |
+
|
| 770 |
+
def _pad_image(
|
| 771 |
+
self,
|
| 772 |
+
image: np.ndarray,
|
| 773 |
+
output_size: Tuple[int, int],
|
| 774 |
+
annotation: Optional[Dict[str, Any]] = None,
|
| 775 |
+
constant_values: Union[float, Iterable[float]] = 0,
|
| 776 |
+
data_format: Optional[ChannelDimension] = None,
|
| 777 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 778 |
+
update_bboxes: bool = True,
|
| 779 |
+
) -> np.ndarray:
|
| 780 |
+
"""
|
| 781 |
+
Pad an image with zeros to the given size.
|
| 782 |
+
"""
|
| 783 |
+
input_height, input_width = get_image_size(image, channel_dim=input_data_format)
|
| 784 |
+
output_height, output_width = output_size
|
| 785 |
+
|
| 786 |
+
pad_bottom = output_height - input_height
|
| 787 |
+
pad_right = output_width - input_width
|
| 788 |
+
padding = ((0, pad_bottom), (0, pad_right))
|
| 789 |
+
padded_image = pad(
|
| 790 |
+
image,
|
| 791 |
+
padding,
|
| 792 |
+
mode=PaddingMode.CONSTANT,
|
| 793 |
+
constant_values=constant_values,
|
| 794 |
+
data_format=data_format,
|
| 795 |
+
input_data_format=input_data_format,
|
| 796 |
+
)
|
| 797 |
+
if annotation is not None:
|
| 798 |
+
annotation = self._update_annotation_for_padded_image(
|
| 799 |
+
annotation, (input_height, input_width), (output_height, output_width), padding, update_bboxes
|
| 800 |
+
)
|
| 801 |
+
return padded_image, annotation
|
| 802 |
+
|
| 803 |
+
def pad(
|
| 804 |
+
self,
|
| 805 |
+
images: List[np.ndarray],
|
| 806 |
+
annotations: Optional[Union[AnnotationType, List[AnnotationType]]] = None,
|
| 807 |
+
constant_values: Union[float, Iterable[float]] = 0,
|
| 808 |
+
return_pixel_mask: bool = True,
|
| 809 |
+
return_tensors: Optional[Union[str, TensorType]] = None,
|
| 810 |
+
data_format: Optional[ChannelDimension] = None,
|
| 811 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 812 |
+
update_bboxes: bool = True,
|
| 813 |
+
pad_size: Optional[Dict[str, int]] = None,
|
| 814 |
+
) -> BatchFeature:
|
| 815 |
+
"""
|
| 816 |
+
Pads a batch of images to the bottom and right of the image with zeros to the size of largest height and width
|
| 817 |
+
in the batch and optionally returns their corresponding pixel mask.
|
| 818 |
+
|
| 819 |
+
Args:
|
| 820 |
+
images (List[`np.ndarray`]):
|
| 821 |
+
Images to pad.
|
| 822 |
+
annotations (`AnnotationType` or `List[AnnotationType]`, *optional*):
|
| 823 |
+
Annotations to transform according to the padding that is applied to the images.
|
| 824 |
+
constant_values (`float` or `Iterable[float]`, *optional*):
|
| 825 |
+
The value to use for the padding if `mode` is `"constant"`.
|
| 826 |
+
return_pixel_mask (`bool`, *optional*, defaults to `True`):
|
| 827 |
+
Whether to return a pixel mask.
|
| 828 |
+
return_tensors (`str` or `TensorType`, *optional*):
|
| 829 |
+
The type of tensors to return. Can be one of:
|
| 830 |
+
- Unset: Return a list of `np.ndarray`.
|
| 831 |
+
- `TensorType.TENSORFLOW` or `'tf'`: Return a batch of type `tf.Tensor`.
|
| 832 |
+
- `TensorType.PYTORCH` or `'pt'`: Return a batch of type `torch.Tensor`.
|
| 833 |
+
- `TensorType.NUMPY` or `'np'`: Return a batch of type `np.ndarray`.
|
| 834 |
+
- `TensorType.JAX` or `'jax'`: Return a batch of type `jax.numpy.ndarray`.
|
| 835 |
+
data_format (`str` or `ChannelDimension`, *optional*):
|
| 836 |
+
The channel dimension format of the image. If not provided, it will be the same as the input image.
|
| 837 |
+
input_data_format (`ChannelDimension` or `str`, *optional*):
|
| 838 |
+
The channel dimension format of the input image. If not provided, it will be inferred.
|
| 839 |
+
update_bboxes (`bool`, *optional*, defaults to `True`):
|
| 840 |
+
Whether to update the bounding boxes in the annotations to match the padded images. If the
|
| 841 |
+
bounding boxes have not been converted to relative coordinates and `(centre_x, centre_y, width, height)`
|
| 842 |
+
format, the bounding boxes will not be updated.
|
| 843 |
+
pad_size (`Dict[str, int]`, *optional*):
|
| 844 |
+
The size `{"height": int, "width" int}` to pad the images to. Must be larger than any image size
|
| 845 |
+
provided for preprocessing. If `pad_size` is not provided, images will be padded to the largest
|
| 846 |
+
height and width in the batch.
|
| 847 |
+
"""
|
| 848 |
+
pad_size = pad_size if pad_size is not None else self.pad_size
|
| 849 |
+
if pad_size is not None:
|
| 850 |
+
padded_size = (pad_size["height"], pad_size["width"])
|
| 851 |
+
else:
|
| 852 |
+
padded_size = get_max_height_width(images, input_data_format=input_data_format)
|
| 853 |
+
|
| 854 |
+
annotation_list = annotations if annotations is not None else [None] * len(images)
|
| 855 |
+
padded_images = []
|
| 856 |
+
padded_annotations = []
|
| 857 |
+
for image, annotation in zip(images, annotation_list):
|
| 858 |
+
padded_image, padded_annotation = self._pad_image(
|
| 859 |
+
image,
|
| 860 |
+
padded_size,
|
| 861 |
+
annotation,
|
| 862 |
+
constant_values=constant_values,
|
| 863 |
+
data_format=data_format,
|
| 864 |
+
input_data_format=input_data_format,
|
| 865 |
+
update_bboxes=update_bboxes,
|
| 866 |
+
)
|
| 867 |
+
padded_images.append(padded_image)
|
| 868 |
+
padded_annotations.append(padded_annotation)
|
| 869 |
+
|
| 870 |
+
data = {"pixel_values": padded_images}
|
| 871 |
+
|
| 872 |
+
if return_pixel_mask:
|
| 873 |
+
masks = [
|
| 874 |
+
make_pixel_mask(image=image, output_size=padded_size, input_data_format=input_data_format)
|
| 875 |
+
for image in images
|
| 876 |
+
]
|
| 877 |
+
data["pixel_mask"] = masks
|
| 878 |
+
|
| 879 |
+
encoded_inputs = BatchFeature(data=data, tensor_type=return_tensors)
|
| 880 |
+
|
| 881 |
+
if annotations is not None:
|
| 882 |
+
encoded_inputs["labels"] = [
|
| 883 |
+
BatchFeature(annotation, tensor_type=return_tensors) for annotation in padded_annotations
|
| 884 |
+
]
|
| 885 |
+
|
| 886 |
+
return encoded_inputs
|
| 887 |
+
|
| 888 |
+
def preprocess(
|
| 889 |
+
self,
|
| 890 |
+
images: ImageInput,
|
| 891 |
+
annotations: Optional[Union[List[Dict], List[List[Dict]]]] = None,
|
| 892 |
+
return_segmentation_masks: Optional[bool] = None,
|
| 893 |
+
masks_path: Optional[Union[str, pathlib.Path]] = None,
|
| 894 |
+
do_resize: Optional[bool] = None,
|
| 895 |
+
size: Optional[Dict[str, int]] = None,
|
| 896 |
+
resample=None, # PILImageResampling
|
| 897 |
+
do_rescale: Optional[bool] = None,
|
| 898 |
+
rescale_factor: Optional[Union[int, float]] = None,
|
| 899 |
+
do_normalize: Optional[bool] = None,
|
| 900 |
+
image_mean: Optional[Union[float, List[float]]] = None,
|
| 901 |
+
image_std: Optional[Union[float, List[float]]] = None,
|
| 902 |
+
do_convert_annotations: Optional[bool] = None,
|
| 903 |
+
do_pad: Optional[bool] = None,
|
| 904 |
+
format: Optional[Union[str, AnnotationFormat]] = None,
|
| 905 |
+
return_tensors: Optional[Union[TensorType, str]] = None,
|
| 906 |
+
data_format: Union[str, ChannelDimension] = ChannelDimension.FIRST,
|
| 907 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 908 |
+
pad_size: Optional[Dict[str, int]] = None,
|
| 909 |
+
**kwargs,
|
| 910 |
+
) -> BatchFeature:
|
| 911 |
+
"""
|
| 912 |
+
Preprocess an image or a batch of images so that it can be used by the model.
|
| 913 |
+
|
| 914 |
+
Args:
|
| 915 |
+
images (`ImageInput`):
|
| 916 |
+
Image or batch of images to preprocess. Expects a single or batch of images with pixel values ranging
|
| 917 |
+
from 0 to 255. If passing in images with pixel values between 0 and 1, set `do_rescale=False`.
|
| 918 |
+
annotations (`List[Dict]` or `List[List[Dict]]`, *optional*):
|
| 919 |
+
List of annotations associated with the image or batch of images. If annotation is for object
|
| 920 |
+
detection, the annotations should be a dictionary with the following keys:
|
| 921 |
+
- "image_id" (`int`): The image id.
|
| 922 |
+
- "annotations" (`List[Dict]`): List of annotations for an image. Each annotation should be a
|
| 923 |
+
dictionary. An image can have no annotations, in which case the list should be empty.
|
| 924 |
+
If annotation is for segmentation, the annotations should be a dictionary with the following keys:
|
| 925 |
+
- "image_id" (`int`): The image id.
|
| 926 |
+
- "segments_info" (`List[Dict]`): List of segments for an image. Each segment should be a dictionary.
|
| 927 |
+
An image can have no segments, in which case the list should be empty.
|
| 928 |
+
- "file_name" (`str`): The file name of the image.
|
| 929 |
+
return_segmentation_masks (`bool`, *optional*, defaults to self.return_segmentation_masks):
|
| 930 |
+
Whether to return segmentation masks.
|
| 931 |
+
masks_path (`str` or `pathlib.Path`, *optional*):
|
| 932 |
+
Path to the directory containing the segmentation masks.
|
| 933 |
+
do_resize (`bool`, *optional*, defaults to self.do_resize):
|
| 934 |
+
Whether to resize the image.
|
| 935 |
+
size (`Dict[str, int]`, *optional*, defaults to self.size):
|
| 936 |
+
Size of the image's `(height, width)` dimensions after resizing. Available options are:
|
| 937 |
+
- `{"height": int, "width": int}`: The image will be resized to the exact size `(height, width)`.
|
| 938 |
+
Do NOT keep the aspect ratio.
|
| 939 |
+
- `{"shortest_edge": int, "longest_edge": int}`: The image will be resized to a maximum size respecting
|
| 940 |
+
the aspect ratio and keeping the shortest edge less or equal to `shortest_edge` and the longest edge
|
| 941 |
+
less or equal to `longest_edge`.
|
| 942 |
+
- `{"max_height": int, "max_width": int}`: The image will be resized to the maximum size respecting the
|
| 943 |
+
aspect ratio and keeping the height less or equal to `max_height` and the width less or equal to
|
| 944 |
+
`max_width`.
|
| 945 |
+
resample (`PILImageResampling`, *optional*, defaults to self.resample):
|
| 946 |
+
Resampling filter to use when resizing the image.
|
| 947 |
+
do_rescale (`bool`, *optional*, defaults to self.do_rescale):
|
| 948 |
+
Whether to rescale the image.
|
| 949 |
+
rescale_factor (`float`, *optional*, defaults to self.rescale_factor):
|
| 950 |
+
Rescale factor to use when rescaling the image.
|
| 951 |
+
do_normalize (`bool`, *optional*, defaults to self.do_normalize):
|
| 952 |
+
Whether to normalize the image.
|
| 953 |
+
image_mean (`float` or `List[float]`, *optional*, defaults to self.image_mean):
|
| 954 |
+
Mean to use when normalizing the image.
|
| 955 |
+
image_std (`float` or `List[float]`, *optional*, defaults to self.image_std):
|
| 956 |
+
Standard deviation to use when normalizing the image.
|
| 957 |
+
do_convert_annotations (`bool`, *optional*, defaults to self.do_convert_annotations):
|
| 958 |
+
Whether to convert the annotations to the format expected by the model. Converts the bounding
|
| 959 |
+
boxes from the format `(top_left_x, top_left_y, width, height)` to `(center_x, center_y, width, height)`
|
| 960 |
+
and in relative coordinates.
|
| 961 |
+
do_pad (`bool`, *optional*, defaults to self.do_pad):
|
| 962 |
+
Whether to pad the image. If `True`, padding will be applied to the bottom and right of
|
| 963 |
+
the image with zeros. If `pad_size` is provided, the image will be padded to the specified
|
| 964 |
+
dimensions. Otherwise, the image will be padded to the maximum height and width of the batch.
|
| 965 |
+
format (`str` or `AnnotationFormat`, *optional*, defaults to self.format):
|
| 966 |
+
Format of the annotations.
|
| 967 |
+
return_tensors (`str` or `TensorType`, *optional*, defaults to self.return_tensors):
|
| 968 |
+
Type of tensors to return. If `None`, will return the list of images.
|
| 969 |
+
data_format (`ChannelDimension` or `str`, *optional*, defaults to `ChannelDimension.FIRST`):
|
| 970 |
+
The channel dimension format for the output image. Can be one of:
|
| 971 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 972 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 973 |
+
- Unset: Use the channel dimension format of the input image.
|
| 974 |
+
input_data_format (`ChannelDimension` or `str`, *optional*):
|
| 975 |
+
The channel dimension format for the input image. If unset, the channel dimension format is inferred
|
| 976 |
+
from the input image. Can be one of:
|
| 977 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 978 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 979 |
+
- `"none"` or `ChannelDimension.NONE`: image in (height, width) format.
|
| 980 |
+
pad_size (`Dict[str, int]`, *optional*):
|
| 981 |
+
The size `{"height": int, "width" int}` to pad the images to. Must be larger than any image size
|
| 982 |
+
provided for preprocessing. If `pad_size` is not provided, images will be padded to the largest
|
| 983 |
+
height and width in the batch.
|
| 984 |
+
"""
|
| 985 |
+
if "pad_and_return_pixel_mask" in kwargs:
|
| 986 |
+
logger.warning_once(
|
| 987 |
+
"The `pad_and_return_pixel_mask` argument is deprecated and will be removed in a future version, "
|
| 988 |
+
"use `do_pad` instead.",
|
| 989 |
+
)
|
| 990 |
+
do_pad = kwargs.pop("pad_and_return_pixel_mask")
|
| 991 |
+
|
| 992 |
+
do_resize = self.do_resize if do_resize is None else do_resize
|
| 993 |
+
size = self.size if size is None else size
|
| 994 |
+
size = get_size_dict(size=size, default_to_square=False)
|
| 995 |
+
resample = self.resample if resample is None else resample
|
| 996 |
+
do_rescale = self.do_rescale if do_rescale is None else do_rescale
|
| 997 |
+
rescale_factor = self.rescale_factor if rescale_factor is None else rescale_factor
|
| 998 |
+
do_normalize = self.do_normalize if do_normalize is None else do_normalize
|
| 999 |
+
image_mean = self.image_mean if image_mean is None else image_mean
|
| 1000 |
+
image_std = self.image_std if image_std is None else image_std
|
| 1001 |
+
do_convert_annotations = (
|
| 1002 |
+
self.do_convert_annotations if do_convert_annotations is None else do_convert_annotations
|
| 1003 |
+
)
|
| 1004 |
+
do_pad = self.do_pad if do_pad is None else do_pad
|
| 1005 |
+
pad_size = self.pad_size if pad_size is None else pad_size
|
| 1006 |
+
format = self.format if format is None else format
|
| 1007 |
+
|
| 1008 |
+
# Here, the pad() method pads to the maximum of (width, height). It does not need to be validated.
|
| 1009 |
+
|
| 1010 |
+
validate_preprocess_arguments(
|
| 1011 |
+
do_rescale=do_rescale,
|
| 1012 |
+
rescale_factor=rescale_factor,
|
| 1013 |
+
do_normalize=do_normalize,
|
| 1014 |
+
image_mean=image_mean,
|
| 1015 |
+
image_std=image_std,
|
| 1016 |
+
do_resize=do_resize,
|
| 1017 |
+
size=size,
|
| 1018 |
+
resample=resample,
|
| 1019 |
+
)
|
| 1020 |
+
|
| 1021 |
+
if not is_batched(images):
|
| 1022 |
+
images = [images]
|
| 1023 |
+
annotations = [annotations] if annotations is not None else None
|
| 1024 |
+
|
| 1025 |
+
if not valid_images(images):
|
| 1026 |
+
raise ValueError(
|
| 1027 |
+
"Invalid image type. Must be of type PIL.Image.Image, numpy.ndarray, "
|
| 1028 |
+
"torch.Tensor, tf.Tensor or jax.ndarray."
|
| 1029 |
+
)
|
| 1030 |
+
if annotations is not None and len(images) != len(annotations):
|
| 1031 |
+
raise ValueError(
|
| 1032 |
+
f"The number of images ({len(images)}) and annotations ({len(annotations)}) do not match."
|
| 1033 |
+
)
|
| 1034 |
+
|
| 1035 |
+
format = AnnotationFormat(format)
|
| 1036 |
+
if annotations is not None:
|
| 1037 |
+
validate_annotations(format, SUPPORTED_ANNOTATION_FORMATS, annotations)
|
| 1038 |
+
|
| 1039 |
+
if (
|
| 1040 |
+
masks_path is not None
|
| 1041 |
+
and format == AnnotationFormat.COCO_PANOPTIC
|
| 1042 |
+
and not isinstance(masks_path, (pathlib.Path, str))
|
| 1043 |
+
):
|
| 1044 |
+
raise ValueError(
|
| 1045 |
+
"The path to the directory containing the mask PNG files should be provided as a"
|
| 1046 |
+
f" `pathlib.Path` or string object, but is {type(masks_path)} instead."
|
| 1047 |
+
)
|
| 1048 |
+
|
| 1049 |
+
# All transformations expect numpy arrays
|
| 1050 |
+
images = [to_numpy_array(image) for image in images]
|
| 1051 |
+
|
| 1052 |
+
if do_rescale and is_scaled_image(images[0]):
|
| 1053 |
+
logger.warning_once(
|
| 1054 |
+
"It looks like you are trying to rescale already rescaled images. If the input"
|
| 1055 |
+
" images have pixel values between 0 and 1, set `do_rescale=False` to avoid rescaling them again."
|
| 1056 |
+
)
|
| 1057 |
+
|
| 1058 |
+
if input_data_format is None:
|
| 1059 |
+
# We assume that all images have the same channel dimension format.
|
| 1060 |
+
input_data_format = infer_channel_dimension_format(images[0])
|
| 1061 |
+
|
| 1062 |
+
# prepare (COCO annotations as a list of Dict -> DETR target as a single Dict per image)
|
| 1063 |
+
if annotations is not None:
|
| 1064 |
+
prepared_images = []
|
| 1065 |
+
prepared_annotations = []
|
| 1066 |
+
for image, target in zip(images, annotations):
|
| 1067 |
+
target = self.prepare_annotation(
|
| 1068 |
+
image,
|
| 1069 |
+
target,
|
| 1070 |
+
format,
|
| 1071 |
+
return_segmentation_masks=return_segmentation_masks,
|
| 1072 |
+
masks_path=masks_path,
|
| 1073 |
+
input_data_format=input_data_format,
|
| 1074 |
+
)
|
| 1075 |
+
prepared_images.append(image)
|
| 1076 |
+
prepared_annotations.append(target)
|
| 1077 |
+
images = prepared_images
|
| 1078 |
+
annotations = prepared_annotations
|
| 1079 |
+
del prepared_images, prepared_annotations
|
| 1080 |
+
|
| 1081 |
+
# transformations
|
| 1082 |
+
if do_resize:
|
| 1083 |
+
if annotations is not None:
|
| 1084 |
+
resized_images, resized_annotations = [], []
|
| 1085 |
+
for image, target in zip(images, annotations):
|
| 1086 |
+
orig_size = get_image_size(image, input_data_format)
|
| 1087 |
+
resized_image = self.resize(
|
| 1088 |
+
image, size=size, resample=resample, input_data_format=input_data_format
|
| 1089 |
+
)
|
| 1090 |
+
resized_annotation = self.resize_annotation(
|
| 1091 |
+
target, orig_size, get_image_size(resized_image, input_data_format)
|
| 1092 |
+
)
|
| 1093 |
+
resized_images.append(resized_image)
|
| 1094 |
+
resized_annotations.append(resized_annotation)
|
| 1095 |
+
images = resized_images
|
| 1096 |
+
annotations = resized_annotations
|
| 1097 |
+
del resized_images, resized_annotations
|
| 1098 |
+
else:
|
| 1099 |
+
images = [
|
| 1100 |
+
self.resize(image, size=size, resample=resample, input_data_format=input_data_format)
|
| 1101 |
+
for image in images
|
| 1102 |
+
]
|
| 1103 |
+
|
| 1104 |
+
if do_rescale:
|
| 1105 |
+
images = [self.rescale(image, rescale_factor, input_data_format=input_data_format) for image in images]
|
| 1106 |
+
|
| 1107 |
+
if do_normalize:
|
| 1108 |
+
images = [
|
| 1109 |
+
self.normalize(image, image_mean, image_std, input_data_format=input_data_format) for image in images
|
| 1110 |
+
]
|
| 1111 |
+
|
| 1112 |
+
if do_convert_annotations and annotations is not None:
|
| 1113 |
+
annotations = [
|
| 1114 |
+
self.normalize_annotation(annotation, get_image_size(image, input_data_format))
|
| 1115 |
+
for annotation, image in zip(annotations, images)
|
| 1116 |
+
]
|
| 1117 |
+
|
| 1118 |
+
if do_pad:
|
| 1119 |
+
# Pads images and returns their mask: {'pixel_values': ..., 'pixel_mask': ...}
|
| 1120 |
+
encoded_inputs = self.pad(
|
| 1121 |
+
images,
|
| 1122 |
+
annotations=annotations,
|
| 1123 |
+
return_pixel_mask=True,
|
| 1124 |
+
data_format=data_format,
|
| 1125 |
+
input_data_format=input_data_format,
|
| 1126 |
+
return_tensors=return_tensors,
|
| 1127 |
+
update_bboxes=do_convert_annotations,
|
| 1128 |
+
pad_size=pad_size,
|
| 1129 |
+
)
|
| 1130 |
+
else:
|
| 1131 |
+
images = [
|
| 1132 |
+
to_channel_dimension_format(image, data_format, input_channel_dim=input_data_format)
|
| 1133 |
+
for image in images
|
| 1134 |
+
]
|
| 1135 |
+
encoded_inputs = BatchFeature(data={"pixel_values": images}, tensor_type=return_tensors)
|
| 1136 |
+
if annotations is not None:
|
| 1137 |
+
encoded_inputs["labels"] = [
|
| 1138 |
+
BatchFeature(annotation, tensor_type=return_tensors) for annotation in annotations
|
| 1139 |
+
]
|
| 1140 |
+
|
| 1141 |
+
return encoded_inputs
|
| 1142 |
+
|
| 1143 |
+
def post_process_object_detection(
|
| 1144 |
+
self,
|
| 1145 |
+
outputs,
|
| 1146 |
+
threshold: float = 0.5,
|
| 1147 |
+
target_sizes: Union[TensorType, List[Tuple]] = None,
|
| 1148 |
+
nms_threshold: float = 0.7,
|
| 1149 |
+
):
|
| 1150 |
+
"""
|
| 1151 |
+
Converts the output of [`DetaForObjectDetection`] into final bounding boxes in (top_left_x, top_left_y,
|
| 1152 |
+
bottom_right_x, bottom_right_y) format. Only supports PyTorch.
|
| 1153 |
+
|
| 1154 |
+
Args:
|
| 1155 |
+
outputs ([`DetrObjectDetectionOutput`]):
|
| 1156 |
+
Raw outputs of the model.
|
| 1157 |
+
threshold (`float`, *optional*, defaults to 0.5):
|
| 1158 |
+
Score threshold to keep object detection predictions.
|
| 1159 |
+
target_sizes (`torch.Tensor` or `List[Tuple[int, int]]`, *optional*):
|
| 1160 |
+
Tensor of shape `(batch_size, 2)` or list of tuples (`Tuple[int, int]`) containing the target size
|
| 1161 |
+
(height, width) of each image in the batch. If left to None, predictions will not be resized.
|
| 1162 |
+
nms_threshold (`float`, *optional*, defaults to 0.7):
|
| 1163 |
+
NMS threshold.
|
| 1164 |
+
|
| 1165 |
+
Returns:
|
| 1166 |
+
`List[Dict]`: A list of dictionaries, each dictionary containing the scores, labels and boxes for an image
|
| 1167 |
+
in the batch as predicted by the model.
|
| 1168 |
+
"""
|
| 1169 |
+
out_logits, out_bbox = outputs.logits, outputs.pred_boxes
|
| 1170 |
+
batch_size, num_queries, num_labels = out_logits.shape
|
| 1171 |
+
|
| 1172 |
+
if target_sizes is not None:
|
| 1173 |
+
if len(out_logits) != len(target_sizes):
|
| 1174 |
+
raise ValueError(
|
| 1175 |
+
"Make sure that you pass in as many target sizes as the batch dimension of the logits"
|
| 1176 |
+
)
|
| 1177 |
+
|
| 1178 |
+
prob = out_logits.sigmoid()
|
| 1179 |
+
|
| 1180 |
+
all_scores = prob.view(batch_size, num_queries * num_labels).to(out_logits.device)
|
| 1181 |
+
all_indexes = torch.arange(num_queries * num_labels)[None].repeat(batch_size, 1).to(out_logits.device)
|
| 1182 |
+
all_boxes = torch.div(all_indexes, out_logits.shape[2], rounding_mode="floor")
|
| 1183 |
+
all_labels = all_indexes % out_logits.shape[2]
|
| 1184 |
+
|
| 1185 |
+
boxes = center_to_corners_format(out_bbox)
|
| 1186 |
+
boxes = torch.gather(boxes, 1, all_boxes.unsqueeze(-1).repeat(1, 1, 4))
|
| 1187 |
+
|
| 1188 |
+
# and from relative [0, 1] to absolute [0, height] coordinates
|
| 1189 |
+
if target_sizes is not None:
|
| 1190 |
+
if isinstance(target_sizes, List):
|
| 1191 |
+
img_h = torch.Tensor([i[0] for i in target_sizes])
|
| 1192 |
+
img_w = torch.Tensor([i[1] for i in target_sizes])
|
| 1193 |
+
else:
|
| 1194 |
+
img_h, img_w = target_sizes.unbind(1)
|
| 1195 |
+
|
| 1196 |
+
scale_fct = torch.stack([img_w, img_h, img_w, img_h], dim=1).to(boxes.device)
|
| 1197 |
+
boxes = boxes * scale_fct[:, None, :]
|
| 1198 |
+
|
| 1199 |
+
results = []
|
| 1200 |
+
for b in range(batch_size):
|
| 1201 |
+
box = boxes[b]
|
| 1202 |
+
score = all_scores[b]
|
| 1203 |
+
lbls = all_labels[b]
|
| 1204 |
+
|
| 1205 |
+
pre_topk = score.topk(min(10000, num_queries * num_labels)).indices
|
| 1206 |
+
box = box[pre_topk]
|
| 1207 |
+
score = score[pre_topk]
|
| 1208 |
+
lbls = lbls[pre_topk]
|
| 1209 |
+
|
| 1210 |
+
# apply NMS
|
| 1211 |
+
keep_inds = batched_nms(box, score, lbls, nms_threshold)[:100]
|
| 1212 |
+
score = score[keep_inds]
|
| 1213 |
+
lbls = lbls[keep_inds]
|
| 1214 |
+
box = box[keep_inds]
|
| 1215 |
+
|
| 1216 |
+
results.append(
|
| 1217 |
+
{
|
| 1218 |
+
"scores": score[score > threshold],
|
| 1219 |
+
"labels": lbls[score > threshold],
|
| 1220 |
+
"boxes": box[score > threshold],
|
| 1221 |
+
}
|
| 1222 |
+
)
|
| 1223 |
+
|
| 1224 |
+
return results
|
| 1225 |
+
|
| 1226 |
+
|
| 1227 |
+
__all__ = ["DetaImageProcessor"]
|
docs/transformers/build/lib/transformers/models/deprecated/deta/modeling_deta.py
ADDED
|
The diff for this file is too large to render.
See raw diff
|
|
|
docs/transformers/build/lib/transformers/models/deprecated/efficientformer/__init__.py
ADDED
|
@@ -0,0 +1,29 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright 2022 The HuggingFace Team. All rights reserved.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
from typing import TYPE_CHECKING
|
| 15 |
+
|
| 16 |
+
from ....utils import _LazyModule
|
| 17 |
+
from ....utils.import_utils import define_import_structure
|
| 18 |
+
|
| 19 |
+
|
| 20 |
+
if TYPE_CHECKING:
|
| 21 |
+
from .configuration_efficientformer import *
|
| 22 |
+
from .image_processing_efficientformer import *
|
| 23 |
+
from .modeling_efficientformer import *
|
| 24 |
+
from .modeling_tf_efficientformer import *
|
| 25 |
+
else:
|
| 26 |
+
import sys
|
| 27 |
+
|
| 28 |
+
_file = globals()["__file__"]
|
| 29 |
+
sys.modules[__name__] = _LazyModule(__name__, _file, define_import_structure(_file), module_spec=__spec__)
|
docs/transformers/build/lib/transformers/models/deprecated/efficientformer/convert_efficientformer_original_pytorch_checkpoint_to_pytorch.py
ADDED
|
@@ -0,0 +1,252 @@
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright 2022 The HuggingFace Inc. team.
|
| 3 |
+
#
|
| 4 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 5 |
+
# you may not use this file except in compliance with the License.
|
| 6 |
+
# You may obtain a copy of the License at
|
| 7 |
+
#
|
| 8 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 9 |
+
#
|
| 10 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 11 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 12 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 13 |
+
# See the License for the specific language governing permissions and
|
| 14 |
+
# limitations under the License.
|
| 15 |
+
|
| 16 |
+
"""Convert EfficientFormer checkpoints from the original repository.
|
| 17 |
+
|
| 18 |
+
URL: https://github.com/snap-research/EfficientFormer
|
| 19 |
+
"""
|
| 20 |
+
|
| 21 |
+
import argparse
|
| 22 |
+
import re
|
| 23 |
+
from pathlib import Path
|
| 24 |
+
|
| 25 |
+
import requests
|
| 26 |
+
import torch
|
| 27 |
+
from PIL import Image
|
| 28 |
+
from torchvision.transforms import CenterCrop, Compose, Normalize, Resize, ToTensor
|
| 29 |
+
|
| 30 |
+
from transformers import (
|
| 31 |
+
EfficientFormerConfig,
|
| 32 |
+
EfficientFormerForImageClassificationWithTeacher,
|
| 33 |
+
EfficientFormerImageProcessor,
|
| 34 |
+
)
|
| 35 |
+
from transformers.image_utils import IMAGENET_DEFAULT_MEAN, IMAGENET_DEFAULT_STD, PILImageResampling
|
| 36 |
+
|
| 37 |
+
|
| 38 |
+
def rename_key(old_name, num_meta4D_last_stage):
|
| 39 |
+
new_name = old_name
|
| 40 |
+
|
| 41 |
+
if "patch_embed" in old_name:
|
| 42 |
+
_, layer, param = old_name.split(".")
|
| 43 |
+
|
| 44 |
+
if layer == "0":
|
| 45 |
+
new_name = old_name.replace("0", "convolution1")
|
| 46 |
+
elif layer == "1":
|
| 47 |
+
new_name = old_name.replace("1", "batchnorm_before")
|
| 48 |
+
elif layer == "3":
|
| 49 |
+
new_name = old_name.replace("3", "convolution2")
|
| 50 |
+
else:
|
| 51 |
+
new_name = old_name.replace("4", "batchnorm_after")
|
| 52 |
+
|
| 53 |
+
if "network" in old_name and re.search(r"\d\.\d", old_name):
|
| 54 |
+
two_digit_num = r"\b\d{2}\b"
|
| 55 |
+
if bool(re.search(two_digit_num, old_name)):
|
| 56 |
+
match = re.search(r"\d\.\d\d.", old_name).group()
|
| 57 |
+
else:
|
| 58 |
+
match = re.search(r"\d\.\d.", old_name).group()
|
| 59 |
+
if int(match[0]) < 6:
|
| 60 |
+
trimmed_name = old_name.replace(match, "")
|
| 61 |
+
trimmed_name = trimmed_name.replace("network", match[0] + ".meta4D_layers.blocks." + match[2:-1])
|
| 62 |
+
new_name = "intermediate_stages." + trimmed_name
|
| 63 |
+
else:
|
| 64 |
+
trimmed_name = old_name.replace(match, "")
|
| 65 |
+
if int(match[2]) < num_meta4D_last_stage:
|
| 66 |
+
trimmed_name = trimmed_name.replace("network", "meta4D_layers.blocks." + match[2])
|
| 67 |
+
else:
|
| 68 |
+
layer_index = str(int(match[2]) - num_meta4D_last_stage)
|
| 69 |
+
trimmed_name = trimmed_name.replace("network", "meta3D_layers.blocks." + layer_index)
|
| 70 |
+
if "norm1" in old_name:
|
| 71 |
+
trimmed_name = trimmed_name.replace("norm1", "layernorm1")
|
| 72 |
+
elif "norm2" in old_name:
|
| 73 |
+
trimmed_name = trimmed_name.replace("norm2", "layernorm2")
|
| 74 |
+
elif "fc1" in old_name:
|
| 75 |
+
trimmed_name = trimmed_name.replace("fc1", "linear_in")
|
| 76 |
+
elif "fc2" in old_name:
|
| 77 |
+
trimmed_name = trimmed_name.replace("fc2", "linear_out")
|
| 78 |
+
|
| 79 |
+
new_name = "last_stage." + trimmed_name
|
| 80 |
+
|
| 81 |
+
elif "network" in old_name and re.search(r".\d.", old_name):
|
| 82 |
+
new_name = old_name.replace("network", "intermediate_stages")
|
| 83 |
+
|
| 84 |
+
if "fc" in new_name:
|
| 85 |
+
new_name = new_name.replace("fc", "convolution")
|
| 86 |
+
elif ("norm1" in new_name) and ("layernorm1" not in new_name):
|
| 87 |
+
new_name = new_name.replace("norm1", "batchnorm_before")
|
| 88 |
+
elif ("norm2" in new_name) and ("layernorm2" not in new_name):
|
| 89 |
+
new_name = new_name.replace("norm2", "batchnorm_after")
|
| 90 |
+
if "proj" in new_name:
|
| 91 |
+
new_name = new_name.replace("proj", "projection")
|
| 92 |
+
if "dist_head" in new_name:
|
| 93 |
+
new_name = new_name.replace("dist_head", "distillation_classifier")
|
| 94 |
+
elif "head" in new_name:
|
| 95 |
+
new_name = new_name.replace("head", "classifier")
|
| 96 |
+
elif "patch_embed" in new_name:
|
| 97 |
+
new_name = "efficientformer." + new_name
|
| 98 |
+
elif new_name == "norm.weight" or new_name == "norm.bias":
|
| 99 |
+
new_name = new_name.replace("norm", "layernorm")
|
| 100 |
+
new_name = "efficientformer." + new_name
|
| 101 |
+
else:
|
| 102 |
+
new_name = "efficientformer.encoder." + new_name
|
| 103 |
+
|
| 104 |
+
return new_name
|
| 105 |
+
|
| 106 |
+
|
| 107 |
+
def convert_torch_checkpoint(checkpoint, num_meta4D_last_stage):
|
| 108 |
+
for key in checkpoint.copy().keys():
|
| 109 |
+
val = checkpoint.pop(key)
|
| 110 |
+
checkpoint[rename_key(key, num_meta4D_last_stage)] = val
|
| 111 |
+
|
| 112 |
+
return checkpoint
|
| 113 |
+
|
| 114 |
+
|
| 115 |
+
# We will verify our results on a COCO image
|
| 116 |
+
def prepare_img():
|
| 117 |
+
url = "http://images.cocodataset.org/val2017/000000039769.jpg"
|
| 118 |
+
image = Image.open(requests.get(url, stream=True).raw)
|
| 119 |
+
|
| 120 |
+
return image
|
| 121 |
+
|
| 122 |
+
|
| 123 |
+
def convert_efficientformer_checkpoint(
|
| 124 |
+
checkpoint_path: Path, efficientformer_config_file: Path, pytorch_dump_path: Path, push_to_hub: bool
|
| 125 |
+
):
|
| 126 |
+
orig_state_dict = torch.load(checkpoint_path, map_location="cpu", weights_only=True)["model"]
|
| 127 |
+
config = EfficientFormerConfig.from_json_file(efficientformer_config_file)
|
| 128 |
+
model = EfficientFormerForImageClassificationWithTeacher(config)
|
| 129 |
+
model_name = "_".join(checkpoint_path.split("/")[-1].split(".")[0].split("_")[:-1])
|
| 130 |
+
|
| 131 |
+
num_meta4D_last_stage = config.depths[-1] - config.num_meta3d_blocks + 1
|
| 132 |
+
new_state_dict = convert_torch_checkpoint(orig_state_dict, num_meta4D_last_stage)
|
| 133 |
+
|
| 134 |
+
model.load_state_dict(new_state_dict)
|
| 135 |
+
model.eval()
|
| 136 |
+
|
| 137 |
+
pillow_resamplings = {
|
| 138 |
+
"bilinear": PILImageResampling.BILINEAR,
|
| 139 |
+
"bicubic": PILImageResampling.BICUBIC,
|
| 140 |
+
"nearest": PILImageResampling.NEAREST,
|
| 141 |
+
}
|
| 142 |
+
|
| 143 |
+
# prepare image
|
| 144 |
+
image = prepare_img()
|
| 145 |
+
image_size = 256
|
| 146 |
+
crop_size = 224
|
| 147 |
+
processor = EfficientFormerImageProcessor(
|
| 148 |
+
size={"shortest_edge": image_size},
|
| 149 |
+
crop_size={"height": crop_size, "width": crop_size},
|
| 150 |
+
resample=pillow_resamplings["bicubic"],
|
| 151 |
+
)
|
| 152 |
+
pixel_values = processor(images=image, return_tensors="pt").pixel_values
|
| 153 |
+
|
| 154 |
+
# original processing pipeline
|
| 155 |
+
image_transforms = Compose(
|
| 156 |
+
[
|
| 157 |
+
Resize(image_size, interpolation=pillow_resamplings["bicubic"]),
|
| 158 |
+
CenterCrop(crop_size),
|
| 159 |
+
ToTensor(),
|
| 160 |
+
Normalize(IMAGENET_DEFAULT_MEAN, IMAGENET_DEFAULT_STD),
|
| 161 |
+
]
|
| 162 |
+
)
|
| 163 |
+
original_pixel_values = image_transforms(image).unsqueeze(0)
|
| 164 |
+
|
| 165 |
+
assert torch.allclose(original_pixel_values, pixel_values)
|
| 166 |
+
|
| 167 |
+
outputs = model(pixel_values)
|
| 168 |
+
logits = outputs.logits
|
| 169 |
+
|
| 170 |
+
expected_shape = (1, 1000)
|
| 171 |
+
|
| 172 |
+
if "l1" in model_name:
|
| 173 |
+
expected_logits = torch.Tensor(
|
| 174 |
+
[-0.1312, 0.4353, -1.0499, -0.5124, 0.4183, -0.6793, -1.3777, -0.0893, -0.7358, -2.4328]
|
| 175 |
+
)
|
| 176 |
+
assert torch.allclose(logits[0, :10], expected_logits, atol=1e-3)
|
| 177 |
+
assert logits.shape == expected_shape
|
| 178 |
+
elif "l3" in model_name:
|
| 179 |
+
expected_logits = torch.Tensor(
|
| 180 |
+
[-1.3150, -1.5456, -1.2556, -0.8496, -0.7127, -0.7897, -0.9728, -0.3052, 0.3751, -0.3127]
|
| 181 |
+
)
|
| 182 |
+
assert torch.allclose(logits[0, :10], expected_logits, atol=1e-3)
|
| 183 |
+
assert logits.shape == expected_shape
|
| 184 |
+
elif "l7" in model_name:
|
| 185 |
+
expected_logits = torch.Tensor(
|
| 186 |
+
[-1.0283, -1.4131, -0.5644, -1.3115, -0.5785, -1.2049, -0.7528, 0.1992, -0.3822, -0.0878]
|
| 187 |
+
)
|
| 188 |
+
assert logits.shape == expected_shape
|
| 189 |
+
else:
|
| 190 |
+
raise ValueError(
|
| 191 |
+
f"Unknown model checkpoint: {checkpoint_path}. Supported version of efficientformer are l1, l3 and l7"
|
| 192 |
+
)
|
| 193 |
+
|
| 194 |
+
# Save Checkpoints
|
| 195 |
+
Path(pytorch_dump_path).mkdir(exist_ok=True)
|
| 196 |
+
model.save_pretrained(pytorch_dump_path)
|
| 197 |
+
print(f"Checkpoint successfuly converted. Model saved at {pytorch_dump_path}")
|
| 198 |
+
processor.save_pretrained(pytorch_dump_path)
|
| 199 |
+
print(f"Processor successfuly saved at {pytorch_dump_path}")
|
| 200 |
+
|
| 201 |
+
if push_to_hub:
|
| 202 |
+
print("Pushing model to the hub...")
|
| 203 |
+
|
| 204 |
+
model.push_to_hub(
|
| 205 |
+
repo_id=f"Bearnardd/{pytorch_dump_path}",
|
| 206 |
+
commit_message="Add model",
|
| 207 |
+
use_temp_dir=True,
|
| 208 |
+
)
|
| 209 |
+
processor.push_to_hub(
|
| 210 |
+
repo_id=f"Bearnardd/{pytorch_dump_path}",
|
| 211 |
+
commit_message="Add image processor",
|
| 212 |
+
use_temp_dir=True,
|
| 213 |
+
)
|
| 214 |
+
|
| 215 |
+
|
| 216 |
+
if __name__ == "__main__":
|
| 217 |
+
parser = argparse.ArgumentParser()
|
| 218 |
+
# Required parameters
|
| 219 |
+
parser.add_argument(
|
| 220 |
+
"--pytorch_model_path",
|
| 221 |
+
default=None,
|
| 222 |
+
type=str,
|
| 223 |
+
required=True,
|
| 224 |
+
help="Path to EfficientFormer pytorch checkpoint.",
|
| 225 |
+
)
|
| 226 |
+
parser.add_argument(
|
| 227 |
+
"--config_file",
|
| 228 |
+
default=None,
|
| 229 |
+
type=str,
|
| 230 |
+
required=True,
|
| 231 |
+
help="The json file for EfficientFormer model config.",
|
| 232 |
+
)
|
| 233 |
+
parser.add_argument(
|
| 234 |
+
"--pytorch_dump_path", default=None, type=str, required=True, help="Path to the output PyTorch model."
|
| 235 |
+
)
|
| 236 |
+
|
| 237 |
+
parser.add_argument("--push_to_hub", action="store_true", help="Push model and image processor to the hub")
|
| 238 |
+
parser.add_argument(
|
| 239 |
+
"--no-push_to_hub",
|
| 240 |
+
dest="push_to_hub",
|
| 241 |
+
action="store_false",
|
| 242 |
+
help="Do not push model and image processor to the hub",
|
| 243 |
+
)
|
| 244 |
+
parser.set_defaults(push_to_hub=True)
|
| 245 |
+
|
| 246 |
+
args = parser.parse_args()
|
| 247 |
+
convert_efficientformer_checkpoint(
|
| 248 |
+
checkpoint_path=args.pytorch_model_path,
|
| 249 |
+
efficientformer_config_file=args.config_file,
|
| 250 |
+
pytorch_dump_path=args.pytorch_dump_path,
|
| 251 |
+
push_to_hub=args.push_to_hub,
|
| 252 |
+
)
|
docs/transformers/build/lib/transformers/models/depth_anything/convert_depth_anything_to_hf.py
ADDED
|
@@ -0,0 +1,368 @@
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|
|
|
|
| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright 2024 The HuggingFace Inc. team.
|
| 3 |
+
#
|
| 4 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 5 |
+
# you may not use this file except in compliance with the License.
|
| 6 |
+
# You may obtain a copy of the License at
|
| 7 |
+
#
|
| 8 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 9 |
+
#
|
| 10 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 11 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 12 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 13 |
+
# See the License for the specific language governing permissions and
|
| 14 |
+
# limitations under the License.
|
| 15 |
+
"""Convert Depth Anything checkpoints from the original repository. URL:
|
| 16 |
+
https://github.com/LiheYoung/Depth-Anything"""
|
| 17 |
+
|
| 18 |
+
import argparse
|
| 19 |
+
from pathlib import Path
|
| 20 |
+
|
| 21 |
+
import requests
|
| 22 |
+
import torch
|
| 23 |
+
from huggingface_hub import hf_hub_download
|
| 24 |
+
from PIL import Image
|
| 25 |
+
|
| 26 |
+
from transformers import DepthAnythingConfig, DepthAnythingForDepthEstimation, Dinov2Config, DPTImageProcessor
|
| 27 |
+
from transformers.utils import logging
|
| 28 |
+
|
| 29 |
+
|
| 30 |
+
logging.set_verbosity_info()
|
| 31 |
+
logger = logging.get_logger(__name__)
|
| 32 |
+
|
| 33 |
+
|
| 34 |
+
def get_dpt_config(model_name):
|
| 35 |
+
if "small" in model_name:
|
| 36 |
+
out_indices = [3, 6, 9, 12] if "v2" in model_name else [9, 10, 11, 12]
|
| 37 |
+
backbone_config = Dinov2Config.from_pretrained(
|
| 38 |
+
"facebook/dinov2-small", out_indices=out_indices, apply_layernorm=True, reshape_hidden_states=False
|
| 39 |
+
)
|
| 40 |
+
fusion_hidden_size = 64
|
| 41 |
+
neck_hidden_sizes = [48, 96, 192, 384]
|
| 42 |
+
elif "base" in model_name:
|
| 43 |
+
out_indices = [3, 6, 9, 12] if "v2" in model_name else [9, 10, 11, 12]
|
| 44 |
+
backbone_config = Dinov2Config.from_pretrained(
|
| 45 |
+
"facebook/dinov2-base", out_indices=out_indices, apply_layernorm=True, reshape_hidden_states=False
|
| 46 |
+
)
|
| 47 |
+
fusion_hidden_size = 128
|
| 48 |
+
neck_hidden_sizes = [96, 192, 384, 768]
|
| 49 |
+
elif "large" in model_name:
|
| 50 |
+
out_indices = [5, 12, 18, 24] if "v2" in model_name else [21, 22, 23, 24]
|
| 51 |
+
backbone_config = Dinov2Config.from_pretrained(
|
| 52 |
+
"facebook/dinov2-large", out_indices=out_indices, apply_layernorm=True, reshape_hidden_states=False
|
| 53 |
+
)
|
| 54 |
+
fusion_hidden_size = 256
|
| 55 |
+
neck_hidden_sizes = [256, 512, 1024, 1024]
|
| 56 |
+
else:
|
| 57 |
+
raise NotImplementedError(f"Model not supported: {model_name}")
|
| 58 |
+
|
| 59 |
+
if "metric" in model_name:
|
| 60 |
+
depth_estimation_type = "metric"
|
| 61 |
+
max_depth = 20 if "indoor" in model_name else 80
|
| 62 |
+
else:
|
| 63 |
+
depth_estimation_type = "relative"
|
| 64 |
+
max_depth = None
|
| 65 |
+
|
| 66 |
+
config = DepthAnythingConfig(
|
| 67 |
+
reassemble_hidden_size=backbone_config.hidden_size,
|
| 68 |
+
patch_size=backbone_config.patch_size,
|
| 69 |
+
backbone_config=backbone_config,
|
| 70 |
+
fusion_hidden_size=fusion_hidden_size,
|
| 71 |
+
neck_hidden_sizes=neck_hidden_sizes,
|
| 72 |
+
depth_estimation_type=depth_estimation_type,
|
| 73 |
+
max_depth=max_depth,
|
| 74 |
+
)
|
| 75 |
+
|
| 76 |
+
return config
|
| 77 |
+
|
| 78 |
+
|
| 79 |
+
def create_rename_keys(config):
|
| 80 |
+
rename_keys = []
|
| 81 |
+
|
| 82 |
+
# fmt: off
|
| 83 |
+
# stem
|
| 84 |
+
rename_keys.append(("pretrained.cls_token", "backbone.embeddings.cls_token"))
|
| 85 |
+
rename_keys.append(("pretrained.mask_token", "backbone.embeddings.mask_token"))
|
| 86 |
+
rename_keys.append(("pretrained.pos_embed", "backbone.embeddings.position_embeddings"))
|
| 87 |
+
rename_keys.append(("pretrained.patch_embed.proj.weight", "backbone.embeddings.patch_embeddings.projection.weight"))
|
| 88 |
+
rename_keys.append(("pretrained.patch_embed.proj.bias", "backbone.embeddings.patch_embeddings.projection.bias"))
|
| 89 |
+
|
| 90 |
+
# Transfomer encoder
|
| 91 |
+
for i in range(config.backbone_config.num_hidden_layers):
|
| 92 |
+
rename_keys.append((f"pretrained.blocks.{i}.ls1.gamma", f"backbone.encoder.layer.{i}.layer_scale1.lambda1"))
|
| 93 |
+
rename_keys.append((f"pretrained.blocks.{i}.ls2.gamma", f"backbone.encoder.layer.{i}.layer_scale2.lambda1"))
|
| 94 |
+
rename_keys.append((f"pretrained.blocks.{i}.norm1.weight", f"backbone.encoder.layer.{i}.norm1.weight"))
|
| 95 |
+
rename_keys.append((f"pretrained.blocks.{i}.norm1.bias", f"backbone.encoder.layer.{i}.norm1.bias"))
|
| 96 |
+
rename_keys.append((f"pretrained.blocks.{i}.norm2.weight", f"backbone.encoder.layer.{i}.norm2.weight"))
|
| 97 |
+
rename_keys.append((f"pretrained.blocks.{i}.norm2.bias", f"backbone.encoder.layer.{i}.norm2.bias"))
|
| 98 |
+
rename_keys.append((f"pretrained.blocks.{i}.mlp.fc1.weight", f"backbone.encoder.layer.{i}.mlp.fc1.weight"))
|
| 99 |
+
rename_keys.append((f"pretrained.blocks.{i}.mlp.fc1.bias", f"backbone.encoder.layer.{i}.mlp.fc1.bias"))
|
| 100 |
+
rename_keys.append((f"pretrained.blocks.{i}.mlp.fc2.weight", f"backbone.encoder.layer.{i}.mlp.fc2.weight"))
|
| 101 |
+
rename_keys.append((f"pretrained.blocks.{i}.mlp.fc2.bias", f"backbone.encoder.layer.{i}.mlp.fc2.bias"))
|
| 102 |
+
rename_keys.append((f"pretrained.blocks.{i}.attn.proj.weight", f"backbone.encoder.layer.{i}.attention.output.dense.weight"))
|
| 103 |
+
rename_keys.append((f"pretrained.blocks.{i}.attn.proj.bias", f"backbone.encoder.layer.{i}.attention.output.dense.bias"))
|
| 104 |
+
|
| 105 |
+
# Head
|
| 106 |
+
rename_keys.append(("pretrained.norm.weight", "backbone.layernorm.weight"))
|
| 107 |
+
rename_keys.append(("pretrained.norm.bias", "backbone.layernorm.bias"))
|
| 108 |
+
|
| 109 |
+
# activation postprocessing (readout projections + resize blocks)
|
| 110 |
+
# Depth Anything does not use CLS token => readout_projects not required
|
| 111 |
+
|
| 112 |
+
for i in range(4):
|
| 113 |
+
rename_keys.append((f"depth_head.projects.{i}.weight", f"neck.reassemble_stage.layers.{i}.projection.weight"))
|
| 114 |
+
rename_keys.append((f"depth_head.projects.{i}.bias", f"neck.reassemble_stage.layers.{i}.projection.bias"))
|
| 115 |
+
|
| 116 |
+
if i != 2:
|
| 117 |
+
rename_keys.append((f"depth_head.resize_layers.{i}.weight", f"neck.reassemble_stage.layers.{i}.resize.weight"))
|
| 118 |
+
rename_keys.append((f"depth_head.resize_layers.{i}.bias", f"neck.reassemble_stage.layers.{i}.resize.bias"))
|
| 119 |
+
|
| 120 |
+
# refinenet (tricky here)
|
| 121 |
+
mapping = {1:3, 2:2, 3:1, 4:0}
|
| 122 |
+
|
| 123 |
+
for i in range(1, 5):
|
| 124 |
+
j = mapping[i]
|
| 125 |
+
rename_keys.append((f"depth_head.scratch.refinenet{i}.out_conv.weight", f"neck.fusion_stage.layers.{j}.projection.weight"))
|
| 126 |
+
rename_keys.append((f"depth_head.scratch.refinenet{i}.out_conv.bias", f"neck.fusion_stage.layers.{j}.projection.bias"))
|
| 127 |
+
rename_keys.append((f"depth_head.scratch.refinenet{i}.resConfUnit1.conv1.weight", f"neck.fusion_stage.layers.{j}.residual_layer1.convolution1.weight"))
|
| 128 |
+
rename_keys.append((f"depth_head.scratch.refinenet{i}.resConfUnit1.conv1.bias", f"neck.fusion_stage.layers.{j}.residual_layer1.convolution1.bias"))
|
| 129 |
+
rename_keys.append((f"depth_head.scratch.refinenet{i}.resConfUnit1.conv2.weight", f"neck.fusion_stage.layers.{j}.residual_layer1.convolution2.weight"))
|
| 130 |
+
rename_keys.append((f"depth_head.scratch.refinenet{i}.resConfUnit1.conv2.bias", f"neck.fusion_stage.layers.{j}.residual_layer1.convolution2.bias"))
|
| 131 |
+
rename_keys.append((f"depth_head.scratch.refinenet{i}.resConfUnit2.conv1.weight", f"neck.fusion_stage.layers.{j}.residual_layer2.convolution1.weight"))
|
| 132 |
+
rename_keys.append((f"depth_head.scratch.refinenet{i}.resConfUnit2.conv1.bias", f"neck.fusion_stage.layers.{j}.residual_layer2.convolution1.bias"))
|
| 133 |
+
rename_keys.append((f"depth_head.scratch.refinenet{i}.resConfUnit2.conv2.weight", f"neck.fusion_stage.layers.{j}.residual_layer2.convolution2.weight"))
|
| 134 |
+
rename_keys.append((f"depth_head.scratch.refinenet{i}.resConfUnit2.conv2.bias", f"neck.fusion_stage.layers.{j}.residual_layer2.convolution2.bias"))
|
| 135 |
+
|
| 136 |
+
# scratch convolutions
|
| 137 |
+
for i in range(4):
|
| 138 |
+
rename_keys.append((f"depth_head.scratch.layer{i+1}_rn.weight", f"neck.convs.{i}.weight"))
|
| 139 |
+
|
| 140 |
+
# head
|
| 141 |
+
rename_keys.append(("depth_head.scratch.output_conv1.weight", "head.conv1.weight"))
|
| 142 |
+
rename_keys.append(("depth_head.scratch.output_conv1.bias", "head.conv1.bias"))
|
| 143 |
+
rename_keys.append(("depth_head.scratch.output_conv2.0.weight", "head.conv2.weight"))
|
| 144 |
+
rename_keys.append(("depth_head.scratch.output_conv2.0.bias", "head.conv2.bias"))
|
| 145 |
+
rename_keys.append(("depth_head.scratch.output_conv2.2.weight", "head.conv3.weight"))
|
| 146 |
+
rename_keys.append(("depth_head.scratch.output_conv2.2.bias", "head.conv3.bias"))
|
| 147 |
+
|
| 148 |
+
return rename_keys
|
| 149 |
+
|
| 150 |
+
|
| 151 |
+
# we split up the matrix of each encoder layer into queries, keys and values
|
| 152 |
+
def read_in_q_k_v(state_dict, config):
|
| 153 |
+
hidden_size = config.backbone_config.hidden_size
|
| 154 |
+
for i in range(config.backbone_config.num_hidden_layers):
|
| 155 |
+
# read in weights + bias of input projection layer (in original implementation, this is a single matrix + bias)
|
| 156 |
+
in_proj_weight = state_dict.pop(f"pretrained.blocks.{i}.attn.qkv.weight")
|
| 157 |
+
in_proj_bias = state_dict.pop(f"pretrained.blocks.{i}.attn.qkv.bias")
|
| 158 |
+
# next, add query, keys and values (in that order) to the state dict
|
| 159 |
+
state_dict[f"backbone.encoder.layer.{i}.attention.attention.query.weight"] = in_proj_weight[:hidden_size, :]
|
| 160 |
+
state_dict[f"backbone.encoder.layer.{i}.attention.attention.query.bias"] = in_proj_bias[:hidden_size]
|
| 161 |
+
state_dict[f"backbone.encoder.layer.{i}.attention.attention.key.weight"] = in_proj_weight[
|
| 162 |
+
hidden_size : hidden_size * 2, :
|
| 163 |
+
]
|
| 164 |
+
state_dict[f"backbone.encoder.layer.{i}.attention.attention.key.bias"] = in_proj_bias[
|
| 165 |
+
hidden_size : hidden_size * 2
|
| 166 |
+
]
|
| 167 |
+
state_dict[f"backbone.encoder.layer.{i}.attention.attention.value.weight"] = in_proj_weight[-hidden_size:, :]
|
| 168 |
+
state_dict[f"backbone.encoder.layer.{i}.attention.attention.value.bias"] = in_proj_bias[-hidden_size:]
|
| 169 |
+
|
| 170 |
+
|
| 171 |
+
def rename_key(dct, old, new):
|
| 172 |
+
val = dct.pop(old)
|
| 173 |
+
dct[new] = val
|
| 174 |
+
|
| 175 |
+
|
| 176 |
+
# We will verify our results on an image of cute cats
|
| 177 |
+
def prepare_img():
|
| 178 |
+
url = "http://images.cocodataset.org/val2017/000000039769.jpg"
|
| 179 |
+
im = Image.open(requests.get(url, stream=True).raw)
|
| 180 |
+
return im
|
| 181 |
+
|
| 182 |
+
|
| 183 |
+
name_to_checkpoint = {
|
| 184 |
+
"depth-anything-small": "pytorch_model.bin",
|
| 185 |
+
"depth-anything-base": "pytorch_model.bin",
|
| 186 |
+
"depth-anything-large": "pytorch_model.bin",
|
| 187 |
+
"depth-anything-v2-small": "depth_anything_v2_vits.pth",
|
| 188 |
+
"depth-anything-v2-base": "depth_anything_v2_vitb.pth",
|
| 189 |
+
"depth-anything-v2-large": "depth_anything_v2_vitl.pth",
|
| 190 |
+
"depth-anything-v2-metric-indoor-small": "depth_anything_v2_metric_hypersim_vits.pth",
|
| 191 |
+
"depth-anything-v2-metric-indoor-base": "depth_anything_v2_metric_hypersim_vitb.pth",
|
| 192 |
+
"depth-anything-v2-metric-indoor-large": "depth_anything_v2_metric_hypersim_vitl.pth",
|
| 193 |
+
"depth-anything-v2-metric-outdoor-small": "depth_anything_v2_metric_vkitti_vits.pth",
|
| 194 |
+
"depth-anything-v2-metric-outdoor-base": "depth_anything_v2_metric_vkitti_vitb.pth",
|
| 195 |
+
"depth-anything-v2-metric-outdoor-large": "depth_anything_v2_metric_vkitti_vitl.pth",
|
| 196 |
+
# v2-giant pending
|
| 197 |
+
}
|
| 198 |
+
|
| 199 |
+
|
| 200 |
+
@torch.no_grad()
|
| 201 |
+
def convert_dpt_checkpoint(model_name, pytorch_dump_folder_path, push_to_hub, verify_logits):
|
| 202 |
+
"""
|
| 203 |
+
Copy/paste/tweak model's weights to our DPT structure.
|
| 204 |
+
"""
|
| 205 |
+
|
| 206 |
+
# define DPT configuration
|
| 207 |
+
config = get_dpt_config(model_name)
|
| 208 |
+
|
| 209 |
+
model_name_to_repo = {
|
| 210 |
+
"depth-anything-small": "LiheYoung/depth_anything_vits14",
|
| 211 |
+
"depth-anything-base": "LiheYoung/depth_anything_vitb14",
|
| 212 |
+
"depth-anything-large": "LiheYoung/depth_anything_vitl14",
|
| 213 |
+
"depth-anything-v2-small": "depth-anything/Depth-Anything-V2-Small",
|
| 214 |
+
"depth-anything-v2-base": "depth-anything/Depth-Anything-V2-Base",
|
| 215 |
+
"depth-anything-v2-large": "depth-anything/Depth-Anything-V2-Large",
|
| 216 |
+
"depth-anything-v2-metric-indoor-small": "depth-anything/Depth-Anything-V2-Metric-Hypersim-Small",
|
| 217 |
+
"depth-anything-v2-metric-indoor-base": "depth-anything/Depth-Anything-V2-Metric-Hypersim-Base",
|
| 218 |
+
"depth-anything-v2-metric-indoor-large": "depth-anything/Depth-Anything-V2-Metric-Hypersim-Large",
|
| 219 |
+
"depth-anything-v2-metric-outdoor-small": "depth-anything/Depth-Anything-V2-Metric-VKITTI-Small",
|
| 220 |
+
"depth-anything-v2-metric-outdoor-base": "depth-anything/Depth-Anything-V2-Metric-VKITTI-Base",
|
| 221 |
+
"depth-anything-v2-metric-outdoor-large": "depth-anything/Depth-Anything-V2-Metric-VKITTI-Large",
|
| 222 |
+
}
|
| 223 |
+
|
| 224 |
+
# load original state_dict
|
| 225 |
+
repo_id = model_name_to_repo[model_name]
|
| 226 |
+
filename = name_to_checkpoint[model_name]
|
| 227 |
+
filepath = hf_hub_download(
|
| 228 |
+
repo_id=repo_id,
|
| 229 |
+
filename=f"{filename}",
|
| 230 |
+
)
|
| 231 |
+
|
| 232 |
+
state_dict = torch.load(filepath, map_location="cpu", weights_only=True)
|
| 233 |
+
# rename keys
|
| 234 |
+
rename_keys = create_rename_keys(config)
|
| 235 |
+
for src, dest in rename_keys:
|
| 236 |
+
rename_key(state_dict, src, dest)
|
| 237 |
+
# read in qkv matrices
|
| 238 |
+
read_in_q_k_v(state_dict, config)
|
| 239 |
+
|
| 240 |
+
# load HuggingFace model
|
| 241 |
+
model = DepthAnythingForDepthEstimation(config)
|
| 242 |
+
model.load_state_dict(state_dict)
|
| 243 |
+
model.eval()
|
| 244 |
+
|
| 245 |
+
processor = DPTImageProcessor(
|
| 246 |
+
do_resize=True,
|
| 247 |
+
size={"height": 518, "width": 518},
|
| 248 |
+
ensure_multiple_of=14,
|
| 249 |
+
keep_aspect_ratio=True,
|
| 250 |
+
do_rescale=True,
|
| 251 |
+
do_normalize=True,
|
| 252 |
+
image_mean=[0.485, 0.456, 0.406],
|
| 253 |
+
image_std=[0.229, 0.224, 0.225],
|
| 254 |
+
)
|
| 255 |
+
|
| 256 |
+
url = "http://images.cocodataset.org/val2017/000000039769.jpg"
|
| 257 |
+
image = Image.open(requests.get(url, stream=True).raw)
|
| 258 |
+
|
| 259 |
+
pixel_values = processor(image, return_tensors="pt").pixel_values
|
| 260 |
+
|
| 261 |
+
# Verify forward pass
|
| 262 |
+
with torch.no_grad():
|
| 263 |
+
outputs = model(pixel_values)
|
| 264 |
+
predicted_depth = outputs.predicted_depth
|
| 265 |
+
|
| 266 |
+
print("Shape of predicted depth:", predicted_depth.shape)
|
| 267 |
+
print("First values:", predicted_depth[0, :3, :3])
|
| 268 |
+
|
| 269 |
+
# assert logits
|
| 270 |
+
if verify_logits:
|
| 271 |
+
expected_shape = torch.Size([1, 518, 686])
|
| 272 |
+
if model_name == "depth-anything-small":
|
| 273 |
+
expected_slice = torch.tensor(
|
| 274 |
+
[[8.8204, 8.6468, 8.6195], [8.3313, 8.6027, 8.7526], [8.6526, 8.6866, 8.7453]],
|
| 275 |
+
)
|
| 276 |
+
elif model_name == "depth-anything-base":
|
| 277 |
+
expected_slice = torch.tensor(
|
| 278 |
+
[[26.3997, 26.3004, 26.3928], [26.2260, 26.2092, 26.3427], [26.0719, 26.0483, 26.1254]],
|
| 279 |
+
)
|
| 280 |
+
elif model_name == "depth-anything-large":
|
| 281 |
+
expected_slice = torch.tensor(
|
| 282 |
+
[[87.9968, 87.7493, 88.2704], [87.1927, 87.6611, 87.3640], [86.7789, 86.9469, 86.7991]]
|
| 283 |
+
)
|
| 284 |
+
elif model_name == "depth-anything-v2-small":
|
| 285 |
+
expected_slice = torch.tensor(
|
| 286 |
+
[[2.6751, 2.6211, 2.6571], [2.5820, 2.6138, 2.6271], [2.6160, 2.6141, 2.6306]]
|
| 287 |
+
)
|
| 288 |
+
elif model_name == "depth-anything-v2-base":
|
| 289 |
+
expected_slice = torch.tensor(
|
| 290 |
+
[[4.3576, 4.3723, 4.3908], [4.3231, 4.3146, 4.3611], [4.3016, 4.3170, 4.3121]]
|
| 291 |
+
)
|
| 292 |
+
elif model_name == "depth-anything-v2-large":
|
| 293 |
+
expected_slice = torch.tensor(
|
| 294 |
+
[[162.2751, 161.8504, 162.8788], [160.3138, 160.8050, 161.9835], [159.3812, 159.9884, 160.0768]]
|
| 295 |
+
)
|
| 296 |
+
elif model_name == "depth-anything-v2-metric-indoor-small":
|
| 297 |
+
expected_slice = torch.tensor(
|
| 298 |
+
[[1.3349, 1.2946, 1.2801], [1.2793, 1.2337, 1.2899], [1.2629, 1.2218, 1.2476]]
|
| 299 |
+
)
|
| 300 |
+
elif model_name == "depth-anything-v2-metric-indoor-base":
|
| 301 |
+
expected_slice = torch.tensor(
|
| 302 |
+
[[1.4601, 1.3824, 1.4904], [1.5031, 1.4349, 1.4274], [1.4570, 1.4578, 1.4200]]
|
| 303 |
+
)
|
| 304 |
+
elif model_name == "depth-anything-v2-metric-indoor-large":
|
| 305 |
+
expected_slice = torch.tensor(
|
| 306 |
+
[[1.5040, 1.5019, 1.5218], [1.5087, 1.5195, 1.5149], [1.5437, 1.5128, 1.5252]]
|
| 307 |
+
)
|
| 308 |
+
elif model_name == "depth-anything-v2-metric-outdoor-small":
|
| 309 |
+
expected_slice = torch.tensor(
|
| 310 |
+
[[9.5804, 8.0339, 7.7386], [7.9890, 7.2464, 7.7149], [7.7021, 7.2330, 7.3304]]
|
| 311 |
+
)
|
| 312 |
+
elif model_name == "depth-anything-v2-metric-outdoor-base":
|
| 313 |
+
expected_slice = torch.tensor(
|
| 314 |
+
[[10.2916, 9.0933, 8.8622], [9.1964, 9.3393, 9.0644], [8.9618, 9.4201, 9.2262]]
|
| 315 |
+
)
|
| 316 |
+
elif model_name == "depth-anything-v2-metric-outdoor-large":
|
| 317 |
+
expected_slice = torch.tensor(
|
| 318 |
+
[[14.0137, 13.3627, 13.1080], [13.2522, 13.3943, 13.3705], [13.0581, 13.4505, 13.3925]]
|
| 319 |
+
)
|
| 320 |
+
else:
|
| 321 |
+
raise ValueError("Not supported")
|
| 322 |
+
|
| 323 |
+
assert predicted_depth.shape == torch.Size(expected_shape)
|
| 324 |
+
assert torch.allclose(predicted_depth[0, :3, :3], expected_slice, atol=1e-4)
|
| 325 |
+
print("Looks ok!")
|
| 326 |
+
|
| 327 |
+
if pytorch_dump_folder_path is not None:
|
| 328 |
+
Path(pytorch_dump_folder_path).mkdir(exist_ok=True)
|
| 329 |
+
print(f"Saving model and processor to {pytorch_dump_folder_path}")
|
| 330 |
+
model.save_pretrained(pytorch_dump_folder_path)
|
| 331 |
+
processor.save_pretrained(pytorch_dump_folder_path)
|
| 332 |
+
|
| 333 |
+
if push_to_hub:
|
| 334 |
+
print("Pushing model and processor to hub...")
|
| 335 |
+
model.push_to_hub(repo_id=f"{model_name.title()}-hf")
|
| 336 |
+
processor.push_to_hub(repo_id=f"{model_name.title()}-hf")
|
| 337 |
+
|
| 338 |
+
|
| 339 |
+
if __name__ == "__main__":
|
| 340 |
+
parser = argparse.ArgumentParser()
|
| 341 |
+
# Required parameters
|
| 342 |
+
parser.add_argument(
|
| 343 |
+
"--model_name",
|
| 344 |
+
default="depth-anything-small",
|
| 345 |
+
type=str,
|
| 346 |
+
choices=name_to_checkpoint.keys(),
|
| 347 |
+
help="Name of the model you'd like to convert.",
|
| 348 |
+
)
|
| 349 |
+
parser.add_argument(
|
| 350 |
+
"--pytorch_dump_folder_path",
|
| 351 |
+
default=None,
|
| 352 |
+
type=str,
|
| 353 |
+
help="Path to the output PyTorch model directory.",
|
| 354 |
+
)
|
| 355 |
+
parser.add_argument(
|
| 356 |
+
"--push_to_hub",
|
| 357 |
+
action="store_true",
|
| 358 |
+
help="Whether to push the model to the hub after conversion.",
|
| 359 |
+
)
|
| 360 |
+
parser.add_argument(
|
| 361 |
+
"--verify_logits",
|
| 362 |
+
action="store_false",
|
| 363 |
+
required=False,
|
| 364 |
+
help="Whether to verify the logits after conversion.",
|
| 365 |
+
)
|
| 366 |
+
|
| 367 |
+
args = parser.parse_args()
|
| 368 |
+
convert_dpt_checkpoint(args.model_name, args.pytorch_dump_folder_path, args.push_to_hub, args.verify_logits)
|
docs/transformers/build/lib/transformers/models/depth_pro/__init__.py
ADDED
|
@@ -0,0 +1,29 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright 2024 The HuggingFace Team. All rights reserved.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
from typing import TYPE_CHECKING
|
| 15 |
+
|
| 16 |
+
from ...utils import _LazyModule
|
| 17 |
+
from ...utils.import_utils import define_import_structure
|
| 18 |
+
|
| 19 |
+
|
| 20 |
+
if TYPE_CHECKING:
|
| 21 |
+
from .configuration_depth_pro import *
|
| 22 |
+
from .image_processing_depth_pro import *
|
| 23 |
+
from .image_processing_depth_pro_fast import *
|
| 24 |
+
from .modeling_depth_pro import *
|
| 25 |
+
else:
|
| 26 |
+
import sys
|
| 27 |
+
|
| 28 |
+
_file = globals()["__file__"]
|
| 29 |
+
sys.modules[__name__] = _LazyModule(__name__, _file, define_import_structure(_file), module_spec=__spec__)
|
docs/transformers/build/lib/transformers/models/phi3/modeling_phi3.py
ADDED
|
@@ -0,0 +1,1126 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
|
|
|
|
|
|
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|
|
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|
|
|
|
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|
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|
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# 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨
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+
# This file was automatically generated from src/transformers/models/phi3/modular_phi3.py.
|
| 3 |
+
# Do NOT edit this file manually as any edits will be overwritten by the generation of
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| 4 |
+
# the file from the modular. If any change should be done, please apply the change to the
|
| 5 |
+
# modular_phi3.py file directly. One of our CI enforces this.
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+
# 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨
|
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+
# coding=utf-8
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| 8 |
+
# Copyright 2024 Microsoft and the HuggingFace Inc. team. All rights reserved.
|
| 9 |
+
#
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| 10 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 11 |
+
# you may not use this file except in compliance with the License.
|
| 12 |
+
# You may obtain a copy of the License at
|
| 13 |
+
#
|
| 14 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 15 |
+
#
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| 16 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 17 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 18 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 19 |
+
# See the License for the specific language governing permissions and
|
| 20 |
+
# limitations under the License.
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| 21 |
+
|
| 22 |
+
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| 23 |
+
from typing import Callable, Optional, Tuple, Union
|
| 24 |
+
|
| 25 |
+
import torch
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+
from torch import nn
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| 27 |
+
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| 28 |
+
from ...activations import ACT2FN
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| 29 |
+
from ...cache_utils import Cache, DynamicCache, SlidingWindowCache, StaticCache
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| 30 |
+
from ...generation import GenerationMixin
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| 31 |
+
from ...integrations import use_kernel_forward_from_hub
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| 32 |
+
from ...modeling_attn_mask_utils import AttentionMaskConverter
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| 33 |
+
from ...modeling_flash_attention_utils import FlashAttentionKwargs
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| 34 |
+
from ...modeling_layers import GradientCheckpointingLayer
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| 35 |
+
from ...modeling_outputs import (
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+
BaseModelOutputWithPast,
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| 37 |
+
CausalLMOutputWithPast,
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| 38 |
+
SequenceClassifierOutputWithPast,
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| 39 |
+
TokenClassifierOutput,
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| 40 |
+
)
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| 41 |
+
from ...modeling_rope_utils import ROPE_INIT_FUNCTIONS, dynamic_rope_update
|
| 42 |
+
from ...modeling_utils import ALL_ATTENTION_FUNCTIONS, PreTrainedModel
|
| 43 |
+
from ...processing_utils import Unpack
|
| 44 |
+
from ...utils import (
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| 45 |
+
LossKwargs,
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| 46 |
+
add_code_sample_docstrings,
|
| 47 |
+
add_start_docstrings,
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| 48 |
+
add_start_docstrings_to_model_forward,
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| 49 |
+
can_return_tuple,
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| 50 |
+
is_torch_flex_attn_available,
|
| 51 |
+
logging,
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| 52 |
+
replace_return_docstrings,
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| 53 |
+
)
|
| 54 |
+
from .configuration_phi3 import Phi3Config
|
| 55 |
+
|
| 56 |
+
|
| 57 |
+
if is_torch_flex_attn_available():
|
| 58 |
+
from torch.nn.attention.flex_attention import BlockMask
|
| 59 |
+
|
| 60 |
+
from ...integrations.flex_attention import make_flex_block_causal_mask
|
| 61 |
+
|
| 62 |
+
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| 63 |
+
logger = logging.get_logger(__name__)
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| 64 |
+
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| 65 |
+
_CHECKPOINT_FOR_DOC = "microsoft/Phi-3-mini-4k-instruct"
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| 66 |
+
_CONFIG_FOR_DOC = "Phi3Config"
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| 67 |
+
|
| 68 |
+
|
| 69 |
+
class Phi3MLP(nn.Module):
|
| 70 |
+
def __init__(self, config):
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+
super().__init__()
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| 72 |
+
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+
self.config = config
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| 74 |
+
self.gate_up_proj = nn.Linear(config.hidden_size, 2 * config.intermediate_size, bias=False)
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| 75 |
+
self.down_proj = nn.Linear(config.intermediate_size, config.hidden_size, bias=False)
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| 76 |
+
self.activation_fn = ACT2FN[config.hidden_act]
|
| 77 |
+
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| 78 |
+
def forward(self, hidden_states: torch.FloatTensor) -> torch.FloatTensor:
|
| 79 |
+
up_states = self.gate_up_proj(hidden_states)
|
| 80 |
+
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| 81 |
+
gate, up_states = up_states.chunk(2, dim=-1)
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| 82 |
+
up_states = up_states * self.activation_fn(gate)
|
| 83 |
+
|
| 84 |
+
return self.down_proj(up_states)
|
| 85 |
+
|
| 86 |
+
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| 87 |
+
def rotate_half(x):
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| 88 |
+
"""Rotates half the hidden dims of the input."""
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| 89 |
+
x1 = x[..., : x.shape[-1] // 2]
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| 90 |
+
x2 = x[..., x.shape[-1] // 2 :]
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| 91 |
+
return torch.cat((-x2, x1), dim=-1)
|
| 92 |
+
|
| 93 |
+
|
| 94 |
+
def repeat_kv(hidden_states: torch.Tensor, n_rep: int) -> torch.Tensor:
|
| 95 |
+
"""
|
| 96 |
+
This is the equivalent of torch.repeat_interleave(x, dim=1, repeats=n_rep). The hidden states go from (batch,
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| 97 |
+
num_key_value_heads, seqlen, head_dim) to (batch, num_attention_heads, seqlen, head_dim)
|
| 98 |
+
"""
|
| 99 |
+
batch, num_key_value_heads, slen, head_dim = hidden_states.shape
|
| 100 |
+
if n_rep == 1:
|
| 101 |
+
return hidden_states
|
| 102 |
+
hidden_states = hidden_states[:, :, None, :, :].expand(batch, num_key_value_heads, n_rep, slen, head_dim)
|
| 103 |
+
return hidden_states.reshape(batch, num_key_value_heads * n_rep, slen, head_dim)
|
| 104 |
+
|
| 105 |
+
|
| 106 |
+
def eager_attention_forward(
|
| 107 |
+
module: nn.Module,
|
| 108 |
+
query: torch.Tensor,
|
| 109 |
+
key: torch.Tensor,
|
| 110 |
+
value: torch.Tensor,
|
| 111 |
+
attention_mask: Optional[torch.Tensor],
|
| 112 |
+
scaling: float,
|
| 113 |
+
dropout: float = 0.0,
|
| 114 |
+
**kwargs,
|
| 115 |
+
):
|
| 116 |
+
key_states = repeat_kv(key, module.num_key_value_groups)
|
| 117 |
+
value_states = repeat_kv(value, module.num_key_value_groups)
|
| 118 |
+
|
| 119 |
+
attn_weights = torch.matmul(query, key_states.transpose(2, 3)) * scaling
|
| 120 |
+
if attention_mask is not None:
|
| 121 |
+
causal_mask = attention_mask[:, :, :, : key_states.shape[-2]]
|
| 122 |
+
attn_weights = attn_weights + causal_mask
|
| 123 |
+
|
| 124 |
+
attn_weights = nn.functional.softmax(attn_weights, dim=-1, dtype=torch.float32).to(query.dtype)
|
| 125 |
+
attn_weights = nn.functional.dropout(attn_weights, p=dropout, training=module.training)
|
| 126 |
+
attn_output = torch.matmul(attn_weights, value_states)
|
| 127 |
+
attn_output = attn_output.transpose(1, 2).contiguous()
|
| 128 |
+
|
| 129 |
+
return attn_output, attn_weights
|
| 130 |
+
|
| 131 |
+
|
| 132 |
+
def apply_rotary_pos_emb(q, k, cos, sin, position_ids=None, unsqueeze_dim=1):
|
| 133 |
+
"""Applies Rotary Position Embedding to the query and key tensors.
|
| 134 |
+
|
| 135 |
+
Args:
|
| 136 |
+
q (`torch.Tensor`): The query tensor.
|
| 137 |
+
k (`torch.Tensor`): The key tensor.
|
| 138 |
+
cos (`torch.Tensor`): The cosine part of the rotary embedding.
|
| 139 |
+
sin (`torch.Tensor`): The sine part of the rotary embedding.
|
| 140 |
+
position_ids (`torch.Tensor`, *optional*):
|
| 141 |
+
Deprecated and unused.
|
| 142 |
+
unsqueeze_dim (`int`, *optional*, defaults to 1):
|
| 143 |
+
The 'unsqueeze_dim' argument specifies the dimension along which to unsqueeze cos[position_ids] and
|
| 144 |
+
sin[position_ids] so that they can be properly broadcasted to the dimensions of q and k. For example, note
|
| 145 |
+
that cos[position_ids] and sin[position_ids] have the shape [batch_size, seq_len, head_dim]. Then, if q and
|
| 146 |
+
k have the shape [batch_size, heads, seq_len, head_dim], then setting unsqueeze_dim=1 makes
|
| 147 |
+
cos[position_ids] and sin[position_ids] broadcastable to the shapes of q and k. Similarly, if q and k have
|
| 148 |
+
the shape [batch_size, seq_len, heads, head_dim], then set unsqueeze_dim=2.
|
| 149 |
+
Returns:
|
| 150 |
+
`tuple(torch.Tensor)` comprising of the query and key tensors rotated using the Rotary Position Embedding.
|
| 151 |
+
"""
|
| 152 |
+
cos = cos.unsqueeze(unsqueeze_dim)
|
| 153 |
+
sin = sin.unsqueeze(unsqueeze_dim)
|
| 154 |
+
|
| 155 |
+
rotary_dim = cos.shape[-1]
|
| 156 |
+
q_rot, q_pass = q[..., :rotary_dim], q[..., rotary_dim:]
|
| 157 |
+
k_rot, k_pass = k[..., :rotary_dim], k[..., rotary_dim:]
|
| 158 |
+
|
| 159 |
+
q_embed = torch.cat([(q_rot * cos) + (rotate_half(q_rot) * sin), q_pass], dim=-1)
|
| 160 |
+
k_embed = torch.cat([(k_rot * cos) + (rotate_half(k_rot) * sin), k_pass], dim=-1)
|
| 161 |
+
return q_embed, k_embed
|
| 162 |
+
|
| 163 |
+
|
| 164 |
+
class Phi3Attention(nn.Module):
|
| 165 |
+
"""Multi-headed attention from 'Attention Is All You Need' paper"""
|
| 166 |
+
|
| 167 |
+
def __init__(self, config: Phi3Config, layer_idx: Optional[int] = None):
|
| 168 |
+
super().__init__()
|
| 169 |
+
self.config = config
|
| 170 |
+
self.layer_idx = layer_idx
|
| 171 |
+
self.head_dim = getattr(config, "head_dim", config.hidden_size // config.num_attention_heads)
|
| 172 |
+
self.num_key_value_groups = config.num_attention_heads // config.num_key_value_heads
|
| 173 |
+
self.num_key_value_heads = config.num_key_value_heads
|
| 174 |
+
self.scaling = self.head_dim**-0.5
|
| 175 |
+
self.attention_dropout = config.attention_dropout
|
| 176 |
+
self.is_causal = True
|
| 177 |
+
|
| 178 |
+
op_size = config.num_attention_heads * self.head_dim + 2 * (config.num_key_value_heads * self.head_dim)
|
| 179 |
+
self.o_proj = nn.Linear(config.num_attention_heads * self.head_dim, config.hidden_size, bias=False)
|
| 180 |
+
self.qkv_proj = nn.Linear(config.hidden_size, op_size, bias=False)
|
| 181 |
+
|
| 182 |
+
def forward(
|
| 183 |
+
self,
|
| 184 |
+
hidden_states: torch.Tensor,
|
| 185 |
+
position_embeddings: Tuple[torch.Tensor, torch.Tensor],
|
| 186 |
+
attention_mask: Optional[torch.Tensor],
|
| 187 |
+
past_key_value: Optional[Cache] = None,
|
| 188 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 189 |
+
**kwargs: Unpack[FlashAttentionKwargs],
|
| 190 |
+
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
|
| 191 |
+
input_shape = hidden_states.shape[:-1]
|
| 192 |
+
hidden_shape = (*input_shape, -1, self.head_dim)
|
| 193 |
+
|
| 194 |
+
qkv = self.qkv_proj(hidden_states)
|
| 195 |
+
query_pos = self.config.num_attention_heads * self.head_dim
|
| 196 |
+
query_states = qkv[..., :query_pos]
|
| 197 |
+
key_states = qkv[..., query_pos : query_pos + self.num_key_value_heads * self.head_dim]
|
| 198 |
+
value_states = qkv[..., query_pos + self.num_key_value_heads * self.head_dim :]
|
| 199 |
+
|
| 200 |
+
query_states = query_states.view(hidden_shape).transpose(1, 2)
|
| 201 |
+
key_states = key_states.view(hidden_shape).transpose(1, 2)
|
| 202 |
+
value_states = value_states.view(hidden_shape).transpose(1, 2)
|
| 203 |
+
|
| 204 |
+
cos, sin = position_embeddings
|
| 205 |
+
query_states, key_states = apply_rotary_pos_emb(query_states, key_states, cos, sin)
|
| 206 |
+
|
| 207 |
+
if past_key_value is not None:
|
| 208 |
+
# sin and cos are specific to RoPE models; cache_position needed for the static cache
|
| 209 |
+
cache_kwargs = {"sin": sin, "cos": cos, "cache_position": cache_position}
|
| 210 |
+
key_states, value_states = past_key_value.update(key_states, value_states, self.layer_idx, cache_kwargs)
|
| 211 |
+
|
| 212 |
+
attention_interface: Callable = eager_attention_forward
|
| 213 |
+
if self.config._attn_implementation != "eager":
|
| 214 |
+
if self.config._attn_implementation == "sdpa" and kwargs.get("output_attentions", False):
|
| 215 |
+
logger.warning_once(
|
| 216 |
+
"`torch.nn.functional.scaled_dot_product_attention` does not support `output_attentions=True`. Falling back to "
|
| 217 |
+
'eager attention. This warning can be removed using the argument `attn_implementation="eager"` when loading the model.'
|
| 218 |
+
)
|
| 219 |
+
else:
|
| 220 |
+
attention_interface = ALL_ATTENTION_FUNCTIONS[self.config._attn_implementation]
|
| 221 |
+
|
| 222 |
+
attn_output, attn_weights = attention_interface(
|
| 223 |
+
self,
|
| 224 |
+
query_states,
|
| 225 |
+
key_states,
|
| 226 |
+
value_states,
|
| 227 |
+
attention_mask,
|
| 228 |
+
dropout=0.0 if not self.training else self.attention_dropout,
|
| 229 |
+
scaling=self.scaling,
|
| 230 |
+
sliding_window=getattr(self.config, "sliding_window", None),
|
| 231 |
+
**kwargs,
|
| 232 |
+
)
|
| 233 |
+
|
| 234 |
+
attn_output = attn_output.reshape(*input_shape, -1).contiguous()
|
| 235 |
+
attn_output = self.o_proj(attn_output)
|
| 236 |
+
return attn_output, attn_weights
|
| 237 |
+
|
| 238 |
+
|
| 239 |
+
@use_kernel_forward_from_hub("RMSNorm")
|
| 240 |
+
class Phi3RMSNorm(nn.Module):
|
| 241 |
+
def __init__(self, hidden_size, eps=1e-6):
|
| 242 |
+
"""
|
| 243 |
+
Phi3RMSNorm is equivalent to T5LayerNorm
|
| 244 |
+
"""
|
| 245 |
+
super().__init__()
|
| 246 |
+
self.weight = nn.Parameter(torch.ones(hidden_size))
|
| 247 |
+
self.variance_epsilon = eps
|
| 248 |
+
|
| 249 |
+
def forward(self, hidden_states):
|
| 250 |
+
input_dtype = hidden_states.dtype
|
| 251 |
+
hidden_states = hidden_states.to(torch.float32)
|
| 252 |
+
variance = hidden_states.pow(2).mean(-1, keepdim=True)
|
| 253 |
+
hidden_states = hidden_states * torch.rsqrt(variance + self.variance_epsilon)
|
| 254 |
+
return self.weight * hidden_states.to(input_dtype)
|
| 255 |
+
|
| 256 |
+
def extra_repr(self):
|
| 257 |
+
return f"{tuple(self.weight.shape)}, eps={self.variance_epsilon}"
|
| 258 |
+
|
| 259 |
+
|
| 260 |
+
class Phi3DecoderLayer(GradientCheckpointingLayer):
|
| 261 |
+
def __init__(self, config: Phi3Config, layer_idx: int):
|
| 262 |
+
super().__init__()
|
| 263 |
+
self.hidden_size = config.hidden_size
|
| 264 |
+
self.self_attn = Phi3Attention(config=config, layer_idx=layer_idx)
|
| 265 |
+
self.mlp = Phi3MLP(config)
|
| 266 |
+
self.input_layernorm = Phi3RMSNorm(config.hidden_size, eps=config.rms_norm_eps)
|
| 267 |
+
self.post_attention_layernorm = Phi3RMSNorm(config.hidden_size, eps=config.rms_norm_eps)
|
| 268 |
+
self.config = config
|
| 269 |
+
self.resid_attn_dropout = nn.Dropout(config.resid_pdrop)
|
| 270 |
+
self.resid_mlp_dropout = nn.Dropout(config.resid_pdrop)
|
| 271 |
+
|
| 272 |
+
def forward(
|
| 273 |
+
self,
|
| 274 |
+
hidden_states: torch.Tensor,
|
| 275 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 276 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 277 |
+
past_key_value: Optional[Cache] = None,
|
| 278 |
+
output_attentions: Optional[bool] = False,
|
| 279 |
+
use_cache: Optional[bool] = False,
|
| 280 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 281 |
+
position_embeddings: Optional[Tuple[torch.Tensor, torch.Tensor]] = None, # necessary, but kept here for BC
|
| 282 |
+
**kwargs: Unpack[FlashAttentionKwargs],
|
| 283 |
+
) -> Tuple[torch.FloatTensor, Optional[Tuple[torch.FloatTensor, torch.FloatTensor]]]:
|
| 284 |
+
"""
|
| 285 |
+
Args:
|
| 286 |
+
hidden_states (`torch.FloatTensor`):
|
| 287 |
+
input to the layer of shape `(batch, seq_len, embed_dim)`
|
| 288 |
+
attention_mask (`torch.FloatTensor`, *optional*): attention mask of size
|
| 289 |
+
`(batch, 1, tgt_len, src_len)` where padding elements are indicated by very large negative values.
|
| 290 |
+
position_ids (`torch.LongTensor` of shape `({0})`, *optional*):
|
| 291 |
+
Indices of positions of each input sequence tokens in the position embeddings. Selected in the range
|
| 292 |
+
`[0, config.n_positions - 1]`. [What are position IDs?](../glossary#position-ids)
|
| 293 |
+
past_key_value (`Cache`, *optional*): cached past key and value projection states
|
| 294 |
+
output_attentions (`bool`, *optional*):
|
| 295 |
+
Whether or not to return the attentions tensors of all attention layers. See `attentions` under
|
| 296 |
+
returned tensors for more detail.
|
| 297 |
+
use_cache (`bool`, *optional*):
|
| 298 |
+
If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding
|
| 299 |
+
(see `past_key_values`).
|
| 300 |
+
cache_position (`torch.LongTensor` of shape `(sequence_length)`, *optional*):
|
| 301 |
+
Indices depicting the position of the input sequence tokens in the sequence
|
| 302 |
+
kwargs (`dict`, *optional*):
|
| 303 |
+
Arbitrary kwargs to be ignored, used for FSDP and other methods that injects code
|
| 304 |
+
into the model
|
| 305 |
+
"""
|
| 306 |
+
residual = hidden_states
|
| 307 |
+
|
| 308 |
+
hidden_states = self.input_layernorm(hidden_states)
|
| 309 |
+
|
| 310 |
+
# Self Attention
|
| 311 |
+
hidden_states, self_attn_weights = self.self_attn(
|
| 312 |
+
hidden_states=hidden_states,
|
| 313 |
+
attention_mask=attention_mask,
|
| 314 |
+
position_ids=position_ids,
|
| 315 |
+
past_key_value=past_key_value,
|
| 316 |
+
output_attentions=output_attentions,
|
| 317 |
+
use_cache=use_cache,
|
| 318 |
+
cache_position=cache_position,
|
| 319 |
+
position_embeddings=position_embeddings,
|
| 320 |
+
**kwargs,
|
| 321 |
+
)
|
| 322 |
+
hidden_states = residual + self.resid_attn_dropout(hidden_states) # main diff with Llama
|
| 323 |
+
|
| 324 |
+
residual = hidden_states
|
| 325 |
+
hidden_states = self.post_attention_layernorm(hidden_states)
|
| 326 |
+
hidden_states = self.mlp(hidden_states)
|
| 327 |
+
hidden_states = residual + self.resid_mlp_dropout(hidden_states) # main diff with Llama
|
| 328 |
+
|
| 329 |
+
outputs = (hidden_states,)
|
| 330 |
+
if output_attentions:
|
| 331 |
+
outputs += (self_attn_weights,)
|
| 332 |
+
|
| 333 |
+
return outputs
|
| 334 |
+
|
| 335 |
+
|
| 336 |
+
PHI3_START_DOCSTRING = r"""
|
| 337 |
+
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
|
| 338 |
+
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
|
| 339 |
+
etc.)
|
| 340 |
+
|
| 341 |
+
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
|
| 342 |
+
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
|
| 343 |
+
and behavior.
|
| 344 |
+
|
| 345 |
+
Parameters:
|
| 346 |
+
config ([`Phi3Config`]):
|
| 347 |
+
Model configuration class with all the parameters of the model. Initializing with a config file does not
|
| 348 |
+
load the weights associated with the model, only the configuration. Check out the
|
| 349 |
+
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
|
| 350 |
+
"""
|
| 351 |
+
|
| 352 |
+
|
| 353 |
+
@add_start_docstrings(
|
| 354 |
+
"The bare Phi3 Model outputting raw hidden-states without any specific head on top.",
|
| 355 |
+
PHI3_START_DOCSTRING,
|
| 356 |
+
)
|
| 357 |
+
class Phi3PreTrainedModel(PreTrainedModel):
|
| 358 |
+
config_class = Phi3Config
|
| 359 |
+
base_model_prefix = "model"
|
| 360 |
+
supports_gradient_checkpointing = True
|
| 361 |
+
_no_split_modules = ["Phi3DecoderLayer"]
|
| 362 |
+
_skip_keys_device_placement = ["past_key_values"]
|
| 363 |
+
_supports_flash_attn_2 = True
|
| 364 |
+
_supports_sdpa = True
|
| 365 |
+
_supports_flex_attn = True
|
| 366 |
+
_supports_cache_class = True
|
| 367 |
+
_supports_quantized_cache = True
|
| 368 |
+
_supports_static_cache = True
|
| 369 |
+
_supports_attention_backend = True
|
| 370 |
+
_version = "0.0.5"
|
| 371 |
+
|
| 372 |
+
def _init_weights(self, module):
|
| 373 |
+
std = self.config.initializer_range
|
| 374 |
+
if isinstance(module, nn.Linear):
|
| 375 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
| 376 |
+
if module.bias is not None:
|
| 377 |
+
module.bias.data.zero_()
|
| 378 |
+
elif isinstance(module, nn.Embedding):
|
| 379 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
| 380 |
+
if module.padding_idx is not None:
|
| 381 |
+
module.weight.data[module.padding_idx].zero_()
|
| 382 |
+
elif isinstance(module, Phi3RMSNorm):
|
| 383 |
+
module.weight.data.fill_(1.0)
|
| 384 |
+
|
| 385 |
+
|
| 386 |
+
class Phi3RotaryEmbedding(nn.Module):
|
| 387 |
+
def __init__(self, config: Phi3Config, device=None):
|
| 388 |
+
super().__init__()
|
| 389 |
+
# BC: "rope_type" was originally "type"
|
| 390 |
+
if hasattr(config, "rope_scaling") and config.rope_scaling is not None:
|
| 391 |
+
self.rope_type = config.rope_scaling.get("rope_type", config.rope_scaling.get("type"))
|
| 392 |
+
else:
|
| 393 |
+
self.rope_type = "default"
|
| 394 |
+
self.max_seq_len_cached = config.max_position_embeddings
|
| 395 |
+
self.original_max_seq_len = config.max_position_embeddings
|
| 396 |
+
|
| 397 |
+
self.config = config
|
| 398 |
+
self.rope_init_fn = ROPE_INIT_FUNCTIONS[self.rope_type]
|
| 399 |
+
|
| 400 |
+
inv_freq, self.attention_scaling = self.rope_init_fn(self.config, device)
|
| 401 |
+
self.register_buffer("inv_freq", inv_freq, persistent=False)
|
| 402 |
+
self.original_inv_freq = self.inv_freq
|
| 403 |
+
|
| 404 |
+
@torch.no_grad()
|
| 405 |
+
@dynamic_rope_update # power user: used with advanced RoPE types (e.g. dynamic rope)
|
| 406 |
+
def forward(self, x, position_ids):
|
| 407 |
+
inv_freq_expanded = self.inv_freq[None, :, None].float().expand(position_ids.shape[0], -1, 1).to(x.device)
|
| 408 |
+
position_ids_expanded = position_ids[:, None, :].float()
|
| 409 |
+
|
| 410 |
+
device_type = x.device.type if isinstance(x.device.type, str) and x.device.type != "mps" else "cpu"
|
| 411 |
+
with torch.autocast(device_type=device_type, enabled=False): # Force float32
|
| 412 |
+
freqs = (inv_freq_expanded.float() @ position_ids_expanded.float()).transpose(1, 2)
|
| 413 |
+
emb = torch.cat((freqs, freqs), dim=-1)
|
| 414 |
+
cos = emb.cos() * self.attention_scaling
|
| 415 |
+
sin = emb.sin() * self.attention_scaling
|
| 416 |
+
|
| 417 |
+
return cos.to(dtype=x.dtype), sin.to(dtype=x.dtype)
|
| 418 |
+
|
| 419 |
+
|
| 420 |
+
PHI3_INPUTS_DOCSTRING = r"""
|
| 421 |
+
Args:
|
| 422 |
+
input_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`):
|
| 423 |
+
Indices of input sequence tokens in the vocabulary. Padding will be ignored by default should you provide
|
| 424 |
+
it.
|
| 425 |
+
|
| 426 |
+
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
|
| 427 |
+
[`PreTrainedTokenizer.__call__`] for details.
|
| 428 |
+
|
| 429 |
+
[What are input IDs?](../glossary#input-ids)
|
| 430 |
+
attention_mask (`torch.Tensor` of shape `(batch_size, sequence_length) or `BlockMask`, *optional*):
|
| 431 |
+
Mask to avoid performing attention on padding token indices. Mask values selected in `[0, 1]`:
|
| 432 |
+
|
| 433 |
+
- 1 for tokens that are **not masked**,
|
| 434 |
+
- 0 for tokens that are **masked**.
|
| 435 |
+
|
| 436 |
+
If the model is configured to use flex_attention, it will attempt to convert the mask Tensor into a BlockMask,
|
| 437 |
+
but you can also pass a `BlockMask` object directly here.
|
| 438 |
+
|
| 439 |
+
[What are attention masks?](../glossary#attention-mask)
|
| 440 |
+
|
| 441 |
+
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
|
| 442 |
+
[`PreTrainedTokenizer.__call__`] for details.
|
| 443 |
+
|
| 444 |
+
If `past_key_values` is used, optionally only the last `input_ids` have to be input (see
|
| 445 |
+
`past_key_values`).
|
| 446 |
+
|
| 447 |
+
If you want to change padding behavior, you should read [`modeling_opt._prepare_decoder_attention_mask`]
|
| 448 |
+
and modify to your needs. See diagram 1 in [the paper](https://arxiv.org/abs/1910.13461) for more
|
| 449 |
+
information on the default strategy.
|
| 450 |
+
|
| 451 |
+
- 1 indicates the head is **not masked**,
|
| 452 |
+
- 0 indicates the head is **masked**.
|
| 453 |
+
position_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
|
| 454 |
+
Indices of positions of each input sequence tokens in the position embeddings. Selected in the range `[0,
|
| 455 |
+
config.n_positions - 1]`.
|
| 456 |
+
|
| 457 |
+
[What are position IDs?](../glossary#position-ids)
|
| 458 |
+
past_key_values (`Cache`, *optional*):
|
| 459 |
+
Pre-computed hidden-states (key and values in the self-attention blocks and in the cross-attention
|
| 460 |
+
blocks) that can be used to speed up sequential decoding. This typically consists in the `past_key_values`
|
| 461 |
+
returned by the model at a previous stage of decoding, when `use_cache=True` or `config.use_cache=True`.
|
| 462 |
+
|
| 463 |
+
It is a [`~cache_utils.Cache`] instance. For more details, see our [kv cache guide](https://huggingface.co/docs/transformers/en/kv_cache).
|
| 464 |
+
|
| 465 |
+
If `past_key_values` are used, the user can optionally input only the last `input_ids` (those that don't
|
| 466 |
+
have their past key value states given to this model) of shape `(batch_size, 1)` instead of all `input_ids`
|
| 467 |
+
of shape `(batch_size, sequence_length)`.
|
| 468 |
+
inputs_embeds (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`, *optional*):
|
| 469 |
+
Optionally, instead of passing `input_ids` you can choose to directly pass an embedded representation. This
|
| 470 |
+
is useful if you want more control over how to convert `input_ids` indices into associated vectors than the
|
| 471 |
+
model's internal embedding lookup matrix.
|
| 472 |
+
use_cache (`bool`, *optional*):
|
| 473 |
+
If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding (see
|
| 474 |
+
`past_key_values`).
|
| 475 |
+
output_attentions (`bool`, *optional*):
|
| 476 |
+
Whether or not to return the attentions tensors of all attention layers. See `attentions` under returned
|
| 477 |
+
tensors for more detail.
|
| 478 |
+
output_hidden_states (`bool`, *optional*):
|
| 479 |
+
Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
|
| 480 |
+
more detail.
|
| 481 |
+
return_dict (`bool`, *optional*):
|
| 482 |
+
Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
|
| 483 |
+
cache_position (`torch.LongTensor` of shape `(sequence_length)`, *optional*):
|
| 484 |
+
Indices depicting the position of the input sequence tokens in the sequence. Contrarily to `position_ids`,
|
| 485 |
+
this tensor is not affected by padding. It is used to update the cache in the correct position and to infer
|
| 486 |
+
the complete sequence length.
|
| 487 |
+
"""
|
| 488 |
+
|
| 489 |
+
|
| 490 |
+
@add_start_docstrings(
|
| 491 |
+
"The bare Phi3 Model outputting raw hidden-states without any specific head on top.",
|
| 492 |
+
PHI3_START_DOCSTRING,
|
| 493 |
+
)
|
| 494 |
+
class Phi3Model(Phi3PreTrainedModel):
|
| 495 |
+
"""
|
| 496 |
+
Transformer decoder consisting of *config.num_hidden_layers* layers. Each layer is a [`Phi3DecoderLayer`]
|
| 497 |
+
|
| 498 |
+
Args:
|
| 499 |
+
config: Phi3Config
|
| 500 |
+
"""
|
| 501 |
+
|
| 502 |
+
def __init__(self, config: Phi3Config):
|
| 503 |
+
super().__init__(config)
|
| 504 |
+
self.padding_idx = config.pad_token_id
|
| 505 |
+
self.vocab_size = config.vocab_size
|
| 506 |
+
|
| 507 |
+
self.embed_tokens = nn.Embedding(config.vocab_size, config.hidden_size, self.padding_idx)
|
| 508 |
+
self.layers = nn.ModuleList(
|
| 509 |
+
[Phi3DecoderLayer(config, layer_idx) for layer_idx in range(config.num_hidden_layers)]
|
| 510 |
+
)
|
| 511 |
+
self.norm = Phi3RMSNorm(config.hidden_size, eps=config.rms_norm_eps)
|
| 512 |
+
self.rotary_emb = Phi3RotaryEmbedding(config=config)
|
| 513 |
+
self.gradient_checkpointing = False
|
| 514 |
+
|
| 515 |
+
# Initialize weights and apply final processing
|
| 516 |
+
self.post_init()
|
| 517 |
+
|
| 518 |
+
def get_input_embeddings(self):
|
| 519 |
+
return self.embed_tokens
|
| 520 |
+
|
| 521 |
+
def set_input_embeddings(self, value):
|
| 522 |
+
self.embed_tokens = value
|
| 523 |
+
|
| 524 |
+
@can_return_tuple
|
| 525 |
+
@add_start_docstrings_to_model_forward(PHI3_INPUTS_DOCSTRING)
|
| 526 |
+
def forward(
|
| 527 |
+
self,
|
| 528 |
+
input_ids: Optional[torch.LongTensor] = None,
|
| 529 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 530 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 531 |
+
past_key_values: Optional[Cache] = None,
|
| 532 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
| 533 |
+
use_cache: Optional[bool] = None,
|
| 534 |
+
output_attentions: Optional[bool] = None,
|
| 535 |
+
output_hidden_states: Optional[bool] = None,
|
| 536 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 537 |
+
**flash_attn_kwargs: Unpack[FlashAttentionKwargs],
|
| 538 |
+
) -> BaseModelOutputWithPast:
|
| 539 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
| 540 |
+
output_hidden_states = (
|
| 541 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
| 542 |
+
)
|
| 543 |
+
use_cache = use_cache if use_cache is not None else self.config.use_cache
|
| 544 |
+
|
| 545 |
+
if (input_ids is None) ^ (inputs_embeds is not None):
|
| 546 |
+
raise ValueError("You must specify exactly one of input_ids or inputs_embeds")
|
| 547 |
+
|
| 548 |
+
if self.gradient_checkpointing and self.training and use_cache:
|
| 549 |
+
logger.warning_once(
|
| 550 |
+
"`use_cache=True` is incompatible with gradient checkpointing. Setting `use_cache=False`."
|
| 551 |
+
)
|
| 552 |
+
use_cache = False
|
| 553 |
+
|
| 554 |
+
# TODO (joao): remove this exception in v4.56 -- it exists for users that try to pass a legacy cache
|
| 555 |
+
if not isinstance(past_key_values, (type(None), Cache)):
|
| 556 |
+
raise ValueError("The `past_key_values` should be either a `Cache` object or `None`.")
|
| 557 |
+
|
| 558 |
+
if inputs_embeds is None:
|
| 559 |
+
inputs_embeds = self.embed_tokens(input_ids)
|
| 560 |
+
|
| 561 |
+
if use_cache and past_key_values is None:
|
| 562 |
+
past_key_values = DynamicCache()
|
| 563 |
+
|
| 564 |
+
if cache_position is None:
|
| 565 |
+
past_seen_tokens = past_key_values.get_seq_length() if past_key_values is not None else 0
|
| 566 |
+
cache_position = torch.arange(
|
| 567 |
+
past_seen_tokens, past_seen_tokens + inputs_embeds.shape[1], device=inputs_embeds.device
|
| 568 |
+
)
|
| 569 |
+
|
| 570 |
+
if position_ids is None:
|
| 571 |
+
position_ids = cache_position.unsqueeze(0)
|
| 572 |
+
|
| 573 |
+
causal_mask = self._update_causal_mask(
|
| 574 |
+
attention_mask, inputs_embeds, cache_position, past_key_values, output_attentions
|
| 575 |
+
)
|
| 576 |
+
|
| 577 |
+
hidden_states = inputs_embeds
|
| 578 |
+
|
| 579 |
+
# create position embeddings to be shared across the decoder layers
|
| 580 |
+
position_embeddings = self.rotary_emb(hidden_states, position_ids)
|
| 581 |
+
|
| 582 |
+
# decoder layers
|
| 583 |
+
all_hidden_states = () if output_hidden_states else None
|
| 584 |
+
all_self_attns = () if output_attentions else None
|
| 585 |
+
|
| 586 |
+
for decoder_layer in self.layers[: self.config.num_hidden_layers]:
|
| 587 |
+
if output_hidden_states:
|
| 588 |
+
all_hidden_states += (hidden_states,)
|
| 589 |
+
|
| 590 |
+
layer_outputs = decoder_layer(
|
| 591 |
+
hidden_states,
|
| 592 |
+
attention_mask=causal_mask,
|
| 593 |
+
position_ids=position_ids,
|
| 594 |
+
past_key_value=past_key_values,
|
| 595 |
+
output_attentions=output_attentions,
|
| 596 |
+
use_cache=use_cache,
|
| 597 |
+
cache_position=cache_position,
|
| 598 |
+
position_embeddings=position_embeddings,
|
| 599 |
+
**flash_attn_kwargs,
|
| 600 |
+
)
|
| 601 |
+
|
| 602 |
+
hidden_states = layer_outputs[0]
|
| 603 |
+
|
| 604 |
+
if output_attentions:
|
| 605 |
+
all_self_attns += (layer_outputs[1],)
|
| 606 |
+
|
| 607 |
+
hidden_states = self.norm(hidden_states)
|
| 608 |
+
|
| 609 |
+
# add hidden states from the last decoder layer
|
| 610 |
+
if output_hidden_states:
|
| 611 |
+
all_hidden_states += (hidden_states,)
|
| 612 |
+
|
| 613 |
+
return BaseModelOutputWithPast(
|
| 614 |
+
last_hidden_state=hidden_states,
|
| 615 |
+
past_key_values=past_key_values if use_cache else None,
|
| 616 |
+
hidden_states=all_hidden_states,
|
| 617 |
+
attentions=all_self_attns,
|
| 618 |
+
)
|
| 619 |
+
|
| 620 |
+
def _update_causal_mask(
|
| 621 |
+
self,
|
| 622 |
+
attention_mask: Union[torch.Tensor, "BlockMask"],
|
| 623 |
+
input_tensor: torch.Tensor,
|
| 624 |
+
cache_position: torch.Tensor,
|
| 625 |
+
past_key_values: Cache,
|
| 626 |
+
output_attentions: bool = False,
|
| 627 |
+
):
|
| 628 |
+
if self.config._attn_implementation == "flash_attention_2":
|
| 629 |
+
if attention_mask is not None and past_key_values is not None:
|
| 630 |
+
is_padding_right = attention_mask[:, -1].sum().item() != input_tensor.size()[0]
|
| 631 |
+
if is_padding_right:
|
| 632 |
+
raise ValueError(
|
| 633 |
+
"You are attempting to perform batched generation with padding_side='right'"
|
| 634 |
+
" this may lead to unexpected behaviour for Flash Attention version of Phi3. Make sure to "
|
| 635 |
+
" call `tokenizer.padding_side = 'left'` before tokenizing the input. "
|
| 636 |
+
)
|
| 637 |
+
if attention_mask is not None and 0.0 in attention_mask:
|
| 638 |
+
return attention_mask
|
| 639 |
+
return None
|
| 640 |
+
if self.config._attn_implementation == "flex_attention":
|
| 641 |
+
if isinstance(attention_mask, torch.Tensor):
|
| 642 |
+
attention_mask = make_flex_block_causal_mask(attention_mask)
|
| 643 |
+
return attention_mask
|
| 644 |
+
|
| 645 |
+
# For SDPA, when possible, we will rely on its `is_causal` argument instead of its `attn_mask` argument, in
|
| 646 |
+
# order to dispatch on Flash Attention 2. This feature is not compatible with static cache, as SDPA will fail
|
| 647 |
+
# to infer the attention mask.
|
| 648 |
+
past_seen_tokens = past_key_values.get_seq_length() if past_key_values is not None else 0
|
| 649 |
+
using_static_cache = isinstance(past_key_values, StaticCache)
|
| 650 |
+
using_sliding_window_cache = isinstance(past_key_values, SlidingWindowCache)
|
| 651 |
+
|
| 652 |
+
# When output attentions is True, sdpa implementation's forward method calls the eager implementation's forward
|
| 653 |
+
if (
|
| 654 |
+
self.config._attn_implementation == "sdpa"
|
| 655 |
+
and not (using_static_cache or using_sliding_window_cache)
|
| 656 |
+
and not output_attentions
|
| 657 |
+
):
|
| 658 |
+
if AttentionMaskConverter._ignore_causal_mask_sdpa(
|
| 659 |
+
attention_mask,
|
| 660 |
+
inputs_embeds=input_tensor,
|
| 661 |
+
past_key_values_length=past_seen_tokens,
|
| 662 |
+
sliding_window=self.config.sliding_window,
|
| 663 |
+
is_training=self.training,
|
| 664 |
+
):
|
| 665 |
+
return None
|
| 666 |
+
|
| 667 |
+
dtype, device = input_tensor.dtype, input_tensor.device
|
| 668 |
+
min_dtype = torch.finfo(dtype).min
|
| 669 |
+
sequence_length = input_tensor.shape[1]
|
| 670 |
+
# SlidingWindowCache or StaticCache
|
| 671 |
+
if using_sliding_window_cache or using_static_cache:
|
| 672 |
+
target_length = past_key_values.get_max_cache_shape()
|
| 673 |
+
# DynamicCache or no cache
|
| 674 |
+
else:
|
| 675 |
+
target_length = (
|
| 676 |
+
attention_mask.shape[-1]
|
| 677 |
+
if isinstance(attention_mask, torch.Tensor)
|
| 678 |
+
else past_seen_tokens + sequence_length + 1
|
| 679 |
+
)
|
| 680 |
+
|
| 681 |
+
# In case the provided `attention` mask is 2D, we generate a causal mask here (4D).
|
| 682 |
+
causal_mask = self._prepare_4d_causal_attention_mask_with_cache_position(
|
| 683 |
+
attention_mask,
|
| 684 |
+
sequence_length=sequence_length,
|
| 685 |
+
target_length=target_length,
|
| 686 |
+
dtype=dtype,
|
| 687 |
+
device=device,
|
| 688 |
+
cache_position=cache_position,
|
| 689 |
+
batch_size=input_tensor.shape[0],
|
| 690 |
+
config=self.config,
|
| 691 |
+
past_key_values=past_key_values,
|
| 692 |
+
)
|
| 693 |
+
|
| 694 |
+
if (
|
| 695 |
+
self.config._attn_implementation == "sdpa"
|
| 696 |
+
and attention_mask is not None
|
| 697 |
+
and attention_mask.device.type in ["cuda", "xpu", "npu"]
|
| 698 |
+
and not output_attentions
|
| 699 |
+
):
|
| 700 |
+
# Attend to all tokens in fully masked rows in the causal_mask, for example the relevant first rows when
|
| 701 |
+
# using left padding. This is required by F.scaled_dot_product_attention memory-efficient attention path.
|
| 702 |
+
# Details: https://github.com/pytorch/pytorch/issues/110213
|
| 703 |
+
causal_mask = AttentionMaskConverter._unmask_unattended(causal_mask, min_dtype)
|
| 704 |
+
|
| 705 |
+
return causal_mask
|
| 706 |
+
|
| 707 |
+
@staticmethod
|
| 708 |
+
def _prepare_4d_causal_attention_mask_with_cache_position(
|
| 709 |
+
attention_mask: torch.Tensor,
|
| 710 |
+
sequence_length: int,
|
| 711 |
+
target_length: int,
|
| 712 |
+
dtype: torch.dtype,
|
| 713 |
+
device: torch.device,
|
| 714 |
+
cache_position: torch.Tensor,
|
| 715 |
+
batch_size: int,
|
| 716 |
+
config: Phi3Config,
|
| 717 |
+
past_key_values: Cache,
|
| 718 |
+
):
|
| 719 |
+
"""
|
| 720 |
+
Creates a causal 4D mask of shape `(batch_size, 1, query_length, key_value_length)` from a 2D mask of shape
|
| 721 |
+
`(batch_size, key_value_length)`, or if the input `attention_mask` is already 4D, do nothing.
|
| 722 |
+
|
| 723 |
+
Args:
|
| 724 |
+
attention_mask (`torch.Tensor`):
|
| 725 |
+
A 2D attention mask of shape `(batch_size, key_value_length)` or a 4D attention mask of shape `(batch_size, 1, query_length, key_value_length)`.
|
| 726 |
+
sequence_length (`int`):
|
| 727 |
+
The sequence length being processed.
|
| 728 |
+
target_length (`int`):
|
| 729 |
+
The target length: when generating with static cache, the mask should be as long as the static cache, to account for the 0 padding, the part of the cache that is not filled yet.
|
| 730 |
+
dtype (`torch.dtype`):
|
| 731 |
+
The dtype to use for the 4D attention mask.
|
| 732 |
+
device (`torch.device`):
|
| 733 |
+
The device to place the 4D attention mask on.
|
| 734 |
+
cache_position (`torch.Tensor`):
|
| 735 |
+
Indices depicting the position of the input sequence tokens in the sequence.
|
| 736 |
+
batch_size (`torch.Tensor`):
|
| 737 |
+
Batch size.
|
| 738 |
+
config (`Phi3Config`):
|
| 739 |
+
The model's configuration class
|
| 740 |
+
past_key_values (`Cache`):
|
| 741 |
+
The cache class that is being used currently to generate
|
| 742 |
+
"""
|
| 743 |
+
if attention_mask is not None and attention_mask.dim() == 4:
|
| 744 |
+
# In this case we assume that the mask comes already in inverted form and requires no inversion or slicing.
|
| 745 |
+
causal_mask = attention_mask
|
| 746 |
+
else:
|
| 747 |
+
min_dtype = torch.finfo(dtype).min
|
| 748 |
+
causal_mask = torch.full(
|
| 749 |
+
(sequence_length, target_length), fill_value=min_dtype, dtype=dtype, device=device
|
| 750 |
+
)
|
| 751 |
+
diagonal_attend_mask = torch.arange(target_length, device=device) > cache_position.reshape(-1, 1)
|
| 752 |
+
if config.get_text_config().sliding_window is not None:
|
| 753 |
+
# if we have sliding window, we should not attend to tokens beyond sliding window length, so we mask them out also
|
| 754 |
+
# the check is needed to verify is current checkpoint was trained with sliding window or not
|
| 755 |
+
if not isinstance(past_key_values, SlidingWindowCache) or sequence_length > target_length:
|
| 756 |
+
sliding_attend_mask = torch.arange(target_length, device=device) <= (
|
| 757 |
+
cache_position.reshape(-1, 1) - config.get_text_config().sliding_window
|
| 758 |
+
)
|
| 759 |
+
diagonal_attend_mask.bitwise_or_(sliding_attend_mask)
|
| 760 |
+
causal_mask *= diagonal_attend_mask
|
| 761 |
+
causal_mask = causal_mask[None, None, :, :].expand(batch_size, 1, -1, -1)
|
| 762 |
+
if attention_mask is not None:
|
| 763 |
+
causal_mask = causal_mask.clone() # copy to contiguous memory for in-place edit
|
| 764 |
+
if attention_mask.shape[-1] > target_length:
|
| 765 |
+
attention_mask = attention_mask[:, :target_length]
|
| 766 |
+
mask_length = attention_mask.shape[-1]
|
| 767 |
+
padding_mask = causal_mask[:, :, :, :mask_length] + attention_mask[:, None, None, :].to(
|
| 768 |
+
causal_mask.device
|
| 769 |
+
)
|
| 770 |
+
padding_mask = padding_mask == 0
|
| 771 |
+
causal_mask[:, :, :, :mask_length] = causal_mask[:, :, :, :mask_length].masked_fill(
|
| 772 |
+
padding_mask, min_dtype
|
| 773 |
+
)
|
| 774 |
+
return causal_mask
|
| 775 |
+
|
| 776 |
+
|
| 777 |
+
class KwargsForCausalLM(FlashAttentionKwargs, LossKwargs): ...
|
| 778 |
+
|
| 779 |
+
|
| 780 |
+
class Phi3ForCausalLM(Phi3PreTrainedModel, GenerationMixin):
|
| 781 |
+
_tied_weights_keys = ["lm_head.weight"]
|
| 782 |
+
_tp_plan = {"lm_head": "colwise_rep"}
|
| 783 |
+
_pp_plan = {"lm_head": (["hidden_states"], ["logits"])}
|
| 784 |
+
|
| 785 |
+
def __init__(self, config):
|
| 786 |
+
super().__init__(config)
|
| 787 |
+
self.model = Phi3Model(config)
|
| 788 |
+
self.vocab_size = config.vocab_size
|
| 789 |
+
self.lm_head = nn.Linear(config.hidden_size, config.vocab_size, bias=False)
|
| 790 |
+
|
| 791 |
+
# Initialize weights and apply final processing
|
| 792 |
+
self.post_init()
|
| 793 |
+
|
| 794 |
+
def get_input_embeddings(self):
|
| 795 |
+
return self.model.embed_tokens
|
| 796 |
+
|
| 797 |
+
def set_input_embeddings(self, value):
|
| 798 |
+
self.model.embed_tokens = value
|
| 799 |
+
|
| 800 |
+
def get_output_embeddings(self):
|
| 801 |
+
return self.lm_head
|
| 802 |
+
|
| 803 |
+
def set_output_embeddings(self, new_embeddings):
|
| 804 |
+
self.lm_head = new_embeddings
|
| 805 |
+
|
| 806 |
+
def set_decoder(self, decoder):
|
| 807 |
+
self.model = decoder
|
| 808 |
+
|
| 809 |
+
def get_decoder(self):
|
| 810 |
+
return self.model
|
| 811 |
+
|
| 812 |
+
@can_return_tuple
|
| 813 |
+
@add_start_docstrings_to_model_forward(PHI3_INPUTS_DOCSTRING)
|
| 814 |
+
@replace_return_docstrings(output_type=CausalLMOutputWithPast, config_class=_CONFIG_FOR_DOC)
|
| 815 |
+
def forward(
|
| 816 |
+
self,
|
| 817 |
+
input_ids: Optional[torch.LongTensor] = None,
|
| 818 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 819 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 820 |
+
past_key_values: Optional[Cache] = None,
|
| 821 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
| 822 |
+
labels: Optional[torch.LongTensor] = None,
|
| 823 |
+
use_cache: Optional[bool] = None,
|
| 824 |
+
output_attentions: Optional[bool] = None,
|
| 825 |
+
output_hidden_states: Optional[bool] = None,
|
| 826 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 827 |
+
logits_to_keep: Union[int, torch.Tensor] = 0,
|
| 828 |
+
**kwargs: Unpack[KwargsForCausalLM],
|
| 829 |
+
) -> CausalLMOutputWithPast:
|
| 830 |
+
r"""
|
| 831 |
+
labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
|
| 832 |
+
Labels for computing the masked language modeling loss. Indices should either be in `[0, ...,
|
| 833 |
+
config.vocab_size]` or -100 (see `input_ids` docstring). Tokens with indices set to `-100` are ignored
|
| 834 |
+
(masked), the loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`.
|
| 835 |
+
|
| 836 |
+
logits_to_keep (`int` or `torch.Tensor`, *optional*):
|
| 837 |
+
If an `int`, compute logits for the last `logits_to_keep` tokens. If `0`, calculate logits for all
|
| 838 |
+
`input_ids` (special case). Only last token logits are needed for generation, and calculating them only for that
|
| 839 |
+
token can save memory, which becomes pretty significant for long sequences or large vocabulary size.
|
| 840 |
+
If a `torch.Tensor`, must be 1D corresponding to the indices to keep in the sequence length dimension.
|
| 841 |
+
This is useful when using packed tensor format (single dimension for batch and sequence length).
|
| 842 |
+
|
| 843 |
+
Returns:
|
| 844 |
+
|
| 845 |
+
Example:
|
| 846 |
+
|
| 847 |
+
```python
|
| 848 |
+
>>> from transformers import AutoTokenizer, Phi3ForCausalLM
|
| 849 |
+
|
| 850 |
+
>>> model = Phi3ForCausalLM.from_pretrained("meta-phi3/Phi3-2-7b-hf")
|
| 851 |
+
>>> tokenizer = AutoTokenizer.from_pretrained("meta-phi3/Phi3-2-7b-hf")
|
| 852 |
+
|
| 853 |
+
>>> prompt = "Hey, are you conscious? Can you talk to me?"
|
| 854 |
+
>>> inputs = tokenizer(prompt, return_tensors="pt")
|
| 855 |
+
|
| 856 |
+
>>> # Generate
|
| 857 |
+
>>> generate_ids = model.generate(inputs.input_ids, max_length=30)
|
| 858 |
+
>>> tokenizer.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0]
|
| 859 |
+
"Hey, are you conscious? Can you talk to me?\nI'm not conscious, but I can talk to you."
|
| 860 |
+
```"""
|
| 861 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
| 862 |
+
output_hidden_states = (
|
| 863 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
| 864 |
+
)
|
| 865 |
+
|
| 866 |
+
# decoder outputs consists of (dec_features, layer_state, dec_hidden, dec_attn)
|
| 867 |
+
outputs: BaseModelOutputWithPast = self.model(
|
| 868 |
+
input_ids=input_ids,
|
| 869 |
+
attention_mask=attention_mask,
|
| 870 |
+
position_ids=position_ids,
|
| 871 |
+
past_key_values=past_key_values,
|
| 872 |
+
inputs_embeds=inputs_embeds,
|
| 873 |
+
use_cache=use_cache,
|
| 874 |
+
output_attentions=output_attentions,
|
| 875 |
+
output_hidden_states=output_hidden_states,
|
| 876 |
+
cache_position=cache_position,
|
| 877 |
+
**kwargs,
|
| 878 |
+
)
|
| 879 |
+
|
| 880 |
+
hidden_states = outputs.last_hidden_state
|
| 881 |
+
# Only compute necessary logits, and do not upcast them to float if we are not computing the loss
|
| 882 |
+
slice_indices = slice(-logits_to_keep, None) if isinstance(logits_to_keep, int) else logits_to_keep
|
| 883 |
+
logits = self.lm_head(hidden_states[:, slice_indices, :])
|
| 884 |
+
|
| 885 |
+
loss = None
|
| 886 |
+
if labels is not None:
|
| 887 |
+
loss = self.loss_function(logits=logits, labels=labels, vocab_size=self.config.vocab_size, **kwargs)
|
| 888 |
+
|
| 889 |
+
return CausalLMOutputWithPast(
|
| 890 |
+
loss=loss,
|
| 891 |
+
logits=logits,
|
| 892 |
+
past_key_values=outputs.past_key_values,
|
| 893 |
+
hidden_states=outputs.hidden_states,
|
| 894 |
+
attentions=outputs.attentions,
|
| 895 |
+
)
|
| 896 |
+
|
| 897 |
+
def prepare_inputs_for_generation(
|
| 898 |
+
self,
|
| 899 |
+
input_ids,
|
| 900 |
+
past_key_values=None,
|
| 901 |
+
attention_mask=None,
|
| 902 |
+
inputs_embeds=None,
|
| 903 |
+
cache_position=None,
|
| 904 |
+
position_ids=None,
|
| 905 |
+
use_cache=True,
|
| 906 |
+
logits_to_keep=None,
|
| 907 |
+
**kwargs,
|
| 908 |
+
):
|
| 909 |
+
# Overwritten -- this model may need to switch between short and long rope, invalidating the cache in the
|
| 910 |
+
# process
|
| 911 |
+
|
| 912 |
+
# When the first time input length reached long and short factor switching point, enforce re-compute cache
|
| 913 |
+
# It will cause downside of slower at this single token position, however, better than current failure.
|
| 914 |
+
if (
|
| 915 |
+
past_key_values
|
| 916 |
+
and self.config.rope_scaling
|
| 917 |
+
and input_ids.shape[1] >= self.config.original_max_position_embeddings + 1
|
| 918 |
+
):
|
| 919 |
+
past_length = cache_position[0]
|
| 920 |
+
if past_length <= self.config.original_max_position_embeddings:
|
| 921 |
+
past_key_values = None
|
| 922 |
+
|
| 923 |
+
model_inputs = super().prepare_inputs_for_generation(
|
| 924 |
+
input_ids=input_ids,
|
| 925 |
+
past_key_values=past_key_values,
|
| 926 |
+
attention_mask=attention_mask,
|
| 927 |
+
inputs_embeds=inputs_embeds,
|
| 928 |
+
cache_position=cache_position,
|
| 929 |
+
position_ids=position_ids,
|
| 930 |
+
use_cache=use_cache,
|
| 931 |
+
logits_to_keep=logits_to_keep,
|
| 932 |
+
**kwargs,
|
| 933 |
+
)
|
| 934 |
+
return model_inputs
|
| 935 |
+
|
| 936 |
+
|
| 937 |
+
@add_start_docstrings(
|
| 938 |
+
"""
|
| 939 |
+
The Phi3 Model transformer with a sequence classification head on top (linear layer).
|
| 940 |
+
|
| 941 |
+
[`Phi3ForSequenceClassification`] uses the last token in order to do the classification, as other causal models
|
| 942 |
+
(e.g. GPT-2) do.
|
| 943 |
+
|
| 944 |
+
Since it does classification on the last token, it requires to know the position of the last token. If a
|
| 945 |
+
`pad_token_id` is defined in the configuration, it finds the last token that is not a padding token in each row. If
|
| 946 |
+
no `pad_token_id` is defined, it simply takes the last value in each row of the batch. Since it cannot guess the
|
| 947 |
+
padding tokens when `inputs_embeds` are passed instead of `input_ids`, it does the same (take the last value in
|
| 948 |
+
each row of the batch).
|
| 949 |
+
""",
|
| 950 |
+
PHI3_START_DOCSTRING,
|
| 951 |
+
)
|
| 952 |
+
class Phi3ForSequenceClassification(Phi3PreTrainedModel):
|
| 953 |
+
def __init__(self, config):
|
| 954 |
+
super().__init__(config)
|
| 955 |
+
self.num_labels = config.num_labels
|
| 956 |
+
self.model = Phi3Model(config)
|
| 957 |
+
self.score = nn.Linear(config.hidden_size, self.num_labels, bias=False)
|
| 958 |
+
|
| 959 |
+
# Initialize weights and apply final processing
|
| 960 |
+
self.post_init()
|
| 961 |
+
|
| 962 |
+
def get_input_embeddings(self):
|
| 963 |
+
return self.model.embed_tokens
|
| 964 |
+
|
| 965 |
+
def set_input_embeddings(self, value):
|
| 966 |
+
self.model.embed_tokens = value
|
| 967 |
+
|
| 968 |
+
@can_return_tuple
|
| 969 |
+
@add_start_docstrings_to_model_forward(PHI3_INPUTS_DOCSTRING)
|
| 970 |
+
def forward(
|
| 971 |
+
self,
|
| 972 |
+
input_ids: Optional[torch.LongTensor] = None,
|
| 973 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 974 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 975 |
+
past_key_values: Optional[Cache] = None,
|
| 976 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
| 977 |
+
labels: Optional[torch.LongTensor] = None,
|
| 978 |
+
use_cache: Optional[bool] = None,
|
| 979 |
+
output_attentions: Optional[bool] = None,
|
| 980 |
+
output_hidden_states: Optional[bool] = None,
|
| 981 |
+
) -> SequenceClassifierOutputWithPast:
|
| 982 |
+
r"""
|
| 983 |
+
labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
|
| 984 |
+
Labels for computing the sequence classification/regression loss. Indices should be in `[0, ...,
|
| 985 |
+
config.num_labels - 1]`. If `config.num_labels == 1` a regression loss is computed (Mean-Square loss), If
|
| 986 |
+
`config.num_labels > 1` a classification loss is computed (Cross-Entropy).
|
| 987 |
+
"""
|
| 988 |
+
|
| 989 |
+
transformer_outputs: BaseModelOutputWithPast = self.model(
|
| 990 |
+
input_ids,
|
| 991 |
+
attention_mask=attention_mask,
|
| 992 |
+
position_ids=position_ids,
|
| 993 |
+
past_key_values=past_key_values,
|
| 994 |
+
inputs_embeds=inputs_embeds,
|
| 995 |
+
use_cache=use_cache,
|
| 996 |
+
output_attentions=output_attentions,
|
| 997 |
+
output_hidden_states=output_hidden_states,
|
| 998 |
+
)
|
| 999 |
+
hidden_states = transformer_outputs.last_hidden_state
|
| 1000 |
+
logits = self.score(hidden_states)
|
| 1001 |
+
|
| 1002 |
+
if input_ids is not None:
|
| 1003 |
+
batch_size = input_ids.shape[0]
|
| 1004 |
+
else:
|
| 1005 |
+
batch_size = inputs_embeds.shape[0]
|
| 1006 |
+
|
| 1007 |
+
if self.config.pad_token_id is None and batch_size != 1:
|
| 1008 |
+
raise ValueError("Cannot handle batch sizes > 1 if no padding token is defined.")
|
| 1009 |
+
if self.config.pad_token_id is None:
|
| 1010 |
+
last_non_pad_token = -1
|
| 1011 |
+
elif input_ids is not None:
|
| 1012 |
+
# To handle both left- and right- padding, we take the rightmost token that is not equal to pad_token_id
|
| 1013 |
+
non_pad_mask = (input_ids != self.config.pad_token_id).to(logits.device, torch.int32)
|
| 1014 |
+
token_indices = torch.arange(input_ids.shape[-1], device=logits.device, dtype=torch.int32)
|
| 1015 |
+
last_non_pad_token = (token_indices * non_pad_mask).argmax(-1)
|
| 1016 |
+
else:
|
| 1017 |
+
last_non_pad_token = -1
|
| 1018 |
+
logger.warning_once(
|
| 1019 |
+
f"{self.__class__.__name__} will not detect padding tokens in `inputs_embeds`. Results may be "
|
| 1020 |
+
"unexpected if using padding tokens in conjunction with `inputs_embeds.`"
|
| 1021 |
+
)
|
| 1022 |
+
|
| 1023 |
+
pooled_logits = logits[torch.arange(batch_size, device=logits.device), last_non_pad_token]
|
| 1024 |
+
|
| 1025 |
+
loss = None
|
| 1026 |
+
if labels is not None:
|
| 1027 |
+
loss = self.loss_function(logits=logits, labels=labels, pooled_logits=pooled_logits, config=self.config)
|
| 1028 |
+
|
| 1029 |
+
return SequenceClassifierOutputWithPast(
|
| 1030 |
+
loss=loss,
|
| 1031 |
+
logits=pooled_logits,
|
| 1032 |
+
past_key_values=transformer_outputs.past_key_values,
|
| 1033 |
+
hidden_states=transformer_outputs.hidden_states,
|
| 1034 |
+
attentions=transformer_outputs.attentions,
|
| 1035 |
+
)
|
| 1036 |
+
|
| 1037 |
+
|
| 1038 |
+
@add_start_docstrings(
|
| 1039 |
+
"""
|
| 1040 |
+
The Phi3 Model transformer with a token classification head on top (a linear layer on top of the hidden-states
|
| 1041 |
+
output) e.g. for Named-Entity-Recognition (NER) tasks.
|
| 1042 |
+
""",
|
| 1043 |
+
PHI3_START_DOCSTRING,
|
| 1044 |
+
)
|
| 1045 |
+
class Phi3ForTokenClassification(Phi3PreTrainedModel):
|
| 1046 |
+
def __init__(self, config):
|
| 1047 |
+
super().__init__(config)
|
| 1048 |
+
self.num_labels = config.num_labels
|
| 1049 |
+
self.model = Phi3Model(config)
|
| 1050 |
+
if getattr(config, "classifier_dropout", None) is not None:
|
| 1051 |
+
classifier_dropout = config.classifier_dropout
|
| 1052 |
+
elif getattr(config, "hidden_dropout", None) is not None:
|
| 1053 |
+
classifier_dropout = config.hidden_dropout
|
| 1054 |
+
else:
|
| 1055 |
+
classifier_dropout = 0.1
|
| 1056 |
+
self.dropout = nn.Dropout(classifier_dropout)
|
| 1057 |
+
self.score = nn.Linear(config.hidden_size, config.num_labels)
|
| 1058 |
+
|
| 1059 |
+
# Initialize weights and apply final processing
|
| 1060 |
+
self.post_init()
|
| 1061 |
+
|
| 1062 |
+
def get_input_embeddings(self):
|
| 1063 |
+
return self.model.embed_tokens
|
| 1064 |
+
|
| 1065 |
+
def set_input_embeddings(self, value):
|
| 1066 |
+
self.model.embed_tokens = value
|
| 1067 |
+
|
| 1068 |
+
@can_return_tuple
|
| 1069 |
+
@add_start_docstrings_to_model_forward(PHI3_INPUTS_DOCSTRING)
|
| 1070 |
+
@add_code_sample_docstrings(
|
| 1071 |
+
checkpoint=_CHECKPOINT_FOR_DOC,
|
| 1072 |
+
output_type=TokenClassifierOutput,
|
| 1073 |
+
config_class=_CONFIG_FOR_DOC,
|
| 1074 |
+
)
|
| 1075 |
+
def forward(
|
| 1076 |
+
self,
|
| 1077 |
+
input_ids: Optional[torch.LongTensor] = None,
|
| 1078 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 1079 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 1080 |
+
past_key_values: Optional[Cache] = None,
|
| 1081 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
| 1082 |
+
labels: Optional[torch.LongTensor] = None,
|
| 1083 |
+
use_cache: Optional[bool] = None,
|
| 1084 |
+
output_attentions: Optional[bool] = None,
|
| 1085 |
+
output_hidden_states: Optional[bool] = None,
|
| 1086 |
+
) -> TokenClassifierOutput:
|
| 1087 |
+
r"""
|
| 1088 |
+
labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
|
| 1089 |
+
Labels for computing the sequence classification/regression loss. Indices should be in `[0, ...,
|
| 1090 |
+
config.num_labels - 1]`. If `config.num_labels == 1` a regression loss is computed (Mean-Square loss), If
|
| 1091 |
+
`config.num_labels > 1` a classification loss is computed (Cross-Entropy).
|
| 1092 |
+
"""
|
| 1093 |
+
|
| 1094 |
+
outputs: BaseModelOutputWithPast = self.model(
|
| 1095 |
+
input_ids,
|
| 1096 |
+
attention_mask=attention_mask,
|
| 1097 |
+
position_ids=position_ids,
|
| 1098 |
+
past_key_values=past_key_values,
|
| 1099 |
+
inputs_embeds=inputs_embeds,
|
| 1100 |
+
use_cache=use_cache,
|
| 1101 |
+
output_attentions=output_attentions,
|
| 1102 |
+
output_hidden_states=output_hidden_states,
|
| 1103 |
+
)
|
| 1104 |
+
sequence_output = outputs.last_hidden_state
|
| 1105 |
+
sequence_output = self.dropout(sequence_output)
|
| 1106 |
+
logits = self.score(sequence_output)
|
| 1107 |
+
|
| 1108 |
+
loss = None
|
| 1109 |
+
if labels is not None:
|
| 1110 |
+
loss = self.loss_function(logits, labels, self.config)
|
| 1111 |
+
|
| 1112 |
+
return TokenClassifierOutput(
|
| 1113 |
+
loss=loss,
|
| 1114 |
+
logits=logits,
|
| 1115 |
+
hidden_states=outputs.hidden_states,
|
| 1116 |
+
attentions=outputs.attentions,
|
| 1117 |
+
)
|
| 1118 |
+
|
| 1119 |
+
|
| 1120 |
+
__all__ = [
|
| 1121 |
+
"Phi3PreTrainedModel",
|
| 1122 |
+
"Phi3Model",
|
| 1123 |
+
"Phi3ForCausalLM",
|
| 1124 |
+
"Phi3ForSequenceClassification",
|
| 1125 |
+
"Phi3ForTokenClassification",
|
| 1126 |
+
]
|
docs/transformers/build/lib/transformers/models/phi4_multimodal/image_processing_phi4_multimodal_fast.py
ADDED
|
@@ -0,0 +1,263 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright 2025 Microsoft and the HuggingFace Inc. team. All rights reserved.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
"""
|
| 16 |
+
Processor class for Phi4Multimodal
|
| 17 |
+
"""
|
| 18 |
+
|
| 19 |
+
import math
|
| 20 |
+
from typing import List, Optional, Union
|
| 21 |
+
|
| 22 |
+
import torch
|
| 23 |
+
from torchvision.transforms import functional as F
|
| 24 |
+
|
| 25 |
+
from ...image_processing_utils_fast import (
|
| 26 |
+
BaseImageProcessorFast,
|
| 27 |
+
BatchFeature,
|
| 28 |
+
DefaultFastImageProcessorKwargs,
|
| 29 |
+
Unpack,
|
| 30 |
+
convert_to_rgb,
|
| 31 |
+
)
|
| 32 |
+
from ...image_utils import ImageInput, make_flat_list_of_images, valid_images
|
| 33 |
+
from ...utils import TensorType, logging
|
| 34 |
+
|
| 35 |
+
|
| 36 |
+
logger = logging.get_logger(__name__)
|
| 37 |
+
|
| 38 |
+
|
| 39 |
+
class Phi4MultimodalFastImageProcessorKwargs(DefaultFastImageProcessorKwargs):
|
| 40 |
+
image_size: Optional[int]
|
| 41 |
+
patch_size: Optional[int]
|
| 42 |
+
dynamic_hd: Optional[int]
|
| 43 |
+
|
| 44 |
+
|
| 45 |
+
class Phi4MultimodalImageProcessorFast(BaseImageProcessorFast):
|
| 46 |
+
r"""
|
| 47 |
+
Constructs a Phi4Multimodal image processor.
|
| 48 |
+
"""
|
| 49 |
+
|
| 50 |
+
image_size = 448
|
| 51 |
+
patch_size = 14
|
| 52 |
+
dynamic_hd = 36
|
| 53 |
+
image_mean = [0.5, 0.5, 0.5]
|
| 54 |
+
image_std = [0.5, 0.5, 0.5]
|
| 55 |
+
valid_init_kwargs = Phi4MultimodalFastImageProcessorKwargs
|
| 56 |
+
model_input_names = ["image_pixel_values", "image_sizes", "image_attention_mask"]
|
| 57 |
+
|
| 58 |
+
def __init__(self, **kwargs: Unpack[Phi4MultimodalFastImageProcessorKwargs]):
|
| 59 |
+
super().__init__(**kwargs)
|
| 60 |
+
|
| 61 |
+
def find_closest_aspect_ratio(self, aspect_ratio, target_ratios, width, height):
|
| 62 |
+
best_ratio_diff = float("inf")
|
| 63 |
+
best_ratio = (1, 1)
|
| 64 |
+
area = width * height
|
| 65 |
+
for ratio in target_ratios:
|
| 66 |
+
target_aspect_ratio = ratio[0] / ratio[1]
|
| 67 |
+
ratio_diff = abs(aspect_ratio - target_aspect_ratio)
|
| 68 |
+
if ratio_diff < best_ratio_diff:
|
| 69 |
+
best_ratio_diff = ratio_diff
|
| 70 |
+
best_ratio = ratio
|
| 71 |
+
elif ratio_diff == best_ratio_diff:
|
| 72 |
+
if area > 0.5 * self.image_size * self.image_size * ratio[0] * ratio[1]:
|
| 73 |
+
best_ratio = ratio
|
| 74 |
+
return best_ratio
|
| 75 |
+
|
| 76 |
+
def dynamic_preprocess(self, image, max_num=36, min_num=1):
|
| 77 |
+
image_size = self.image_size
|
| 78 |
+
patch_size = self.patch_size
|
| 79 |
+
mask_size = image_size // patch_size
|
| 80 |
+
orig_width, orig_height = image.size
|
| 81 |
+
|
| 82 |
+
w_crop_num = math.ceil(orig_width / float(image_size))
|
| 83 |
+
h_crop_num = math.ceil(orig_height / float(image_size))
|
| 84 |
+
if w_crop_num * h_crop_num > max_num:
|
| 85 |
+
aspect_ratio = orig_width / orig_height
|
| 86 |
+
|
| 87 |
+
# calculate the existing image aspect ratio
|
| 88 |
+
target_ratios = {
|
| 89 |
+
(i, j)
|
| 90 |
+
for n in range(min_num, max_num + 1)
|
| 91 |
+
for i in range(1, n + 1)
|
| 92 |
+
for j in range(1, n + 1)
|
| 93 |
+
if i * j <= max_num and i * j >= min_num
|
| 94 |
+
}
|
| 95 |
+
target_ratios = sorted(target_ratios, key=lambda x: x[0] * x[1])
|
| 96 |
+
|
| 97 |
+
# find the closest aspect ratio to the target
|
| 98 |
+
target_aspect_ratio = self.find_closest_aspect_ratio(aspect_ratio, target_ratios, orig_width, orig_height)
|
| 99 |
+
|
| 100 |
+
# calculate the target width and height
|
| 101 |
+
target_width = image_size * target_aspect_ratio[0]
|
| 102 |
+
target_height = image_size * target_aspect_ratio[1]
|
| 103 |
+
else:
|
| 104 |
+
target_width = image_size * w_crop_num
|
| 105 |
+
target_height = image_size * h_crop_num
|
| 106 |
+
target_aspect_ratio = (w_crop_num, h_crop_num)
|
| 107 |
+
|
| 108 |
+
# Calculate the ratio
|
| 109 |
+
ratio_width = target_width / orig_width
|
| 110 |
+
ratio_height = target_height / orig_height
|
| 111 |
+
if ratio_width < ratio_height:
|
| 112 |
+
new_size = (target_width, int(orig_height * ratio_width))
|
| 113 |
+
padding_width = 0
|
| 114 |
+
padding_height = target_height - int(orig_height * ratio_width)
|
| 115 |
+
else:
|
| 116 |
+
new_size = (int(orig_width * ratio_height), target_height)
|
| 117 |
+
padding_width = target_width - int(orig_width * ratio_height)
|
| 118 |
+
padding_height = 0
|
| 119 |
+
|
| 120 |
+
attention_mask = torch.ones((int(mask_size * target_aspect_ratio[1]), int(mask_size * target_aspect_ratio[0])))
|
| 121 |
+
if padding_width >= patch_size:
|
| 122 |
+
attention_mask[:, -math.floor(padding_width / patch_size) :] = 0
|
| 123 |
+
if padding_height >= patch_size:
|
| 124 |
+
attention_mask[-math.floor(padding_height / patch_size) :, :] = 0
|
| 125 |
+
|
| 126 |
+
if min(new_size[1], target_height) < 10 or min(new_size[0], target_width) < 10:
|
| 127 |
+
raise ValueError(f"the aspect ratio is very extreme {new_size}")
|
| 128 |
+
|
| 129 |
+
image = F.resize(image, [new_size[1], new_size[0]])
|
| 130 |
+
resized_img = F.pad(image, [0, 0, padding_width, padding_height], fill=[255, 255, 255])
|
| 131 |
+
|
| 132 |
+
return resized_img, attention_mask
|
| 133 |
+
|
| 134 |
+
def pad_to_max_num_crops(self, images, max_crops=5):
|
| 135 |
+
"""
|
| 136 |
+
images: B x 3 x H x W, B<=max_crops
|
| 137 |
+
"""
|
| 138 |
+
B, _, H, W = images.shape
|
| 139 |
+
if B < max_crops:
|
| 140 |
+
pad = torch.zeros(max_crops - B, 3, H, W, dtype=images.dtype, device=images.device)
|
| 141 |
+
images = torch.cat([images, pad], dim=0)
|
| 142 |
+
return images
|
| 143 |
+
|
| 144 |
+
def pad_mask_to_max_num_crops(self, masks, max_crops=5):
|
| 145 |
+
B, H, W = masks.shape
|
| 146 |
+
if B < max_crops:
|
| 147 |
+
pad = torch.ones(max_crops - B, H, W, dtype=masks.dtype, device=masks.device)
|
| 148 |
+
masks = torch.cat([masks, pad], dim=0)
|
| 149 |
+
return masks
|
| 150 |
+
|
| 151 |
+
def preprocess(
|
| 152 |
+
self,
|
| 153 |
+
images: ImageInput,
|
| 154 |
+
image_mean: Optional[Union[float, List[float]]] = None,
|
| 155 |
+
image_std: Optional[Union[float, List[float]]] = None,
|
| 156 |
+
return_tensors: Optional[Union[str, TensorType]] = None,
|
| 157 |
+
):
|
| 158 |
+
"""
|
| 159 |
+
Args:
|
| 160 |
+
images (`ImageInput`):
|
| 161 |
+
Image to preprocess. Expects a single or batch of images with pixel values ranging from 0 to 255. If
|
| 162 |
+
passing in images with pixel values between 0 and 1, set `do_rescale=False`.
|
| 163 |
+
image_mean (`float` or `List[float]`, *optional*, defaults to `self.image_mean`):
|
| 164 |
+
Mean to use if normalizing the image. Can be a float or a list of floats corresponding to the number of channels in the image.
|
| 165 |
+
image_std (`float` or `List[float]`, *optional*, defaults to `self.image_std`):
|
| 166 |
+
Standard deviation to use if normalizing the image. Can be a float or a list of floats corresponding to the number of channels in the image.
|
| 167 |
+
return_tensors (`str` or `TensorType`, *optional*):
|
| 168 |
+
The type of tensors to return. Can be one of:
|
| 169 |
+
- Unset: Return a list of `np.ndarray`.
|
| 170 |
+
- `TensorType.TENSORFLOW` or `'tf'`: Return a batch of type `tf.Tensor`.
|
| 171 |
+
- `TensorType.PYTORCH` or `'pt'`: Return a batch of type `torch.Tensor`.
|
| 172 |
+
- `TensorType.NUMPY` or `'np'`: Return a batch of type `np.ndarray`.
|
| 173 |
+
- `TensorType.JAX` or `'jax'`: Return a batch of type `jax.numpy.ndarray`.
|
| 174 |
+
"""
|
| 175 |
+
image_mean = image_mean if image_mean is not None else self.image_mean
|
| 176 |
+
image_std = image_std if image_std is not None else self.image_std
|
| 177 |
+
|
| 178 |
+
images = make_flat_list_of_images(images)
|
| 179 |
+
if not valid_images(images):
|
| 180 |
+
raise ValueError(
|
| 181 |
+
"Invalid image type. Must be of type PIL.Image.Image, numpy.ndarray, "
|
| 182 |
+
"torch.Tensor, tf.Tensor or jax.ndarray."
|
| 183 |
+
)
|
| 184 |
+
images = [convert_to_rgb(image) for image in images]
|
| 185 |
+
|
| 186 |
+
image_size = self.image_size
|
| 187 |
+
patch_size = self.patch_size
|
| 188 |
+
mask_size = image_size // patch_size
|
| 189 |
+
imgs_and_masks = [self.dynamic_preprocess(image, max_num=self.dynamic_hd) for image in images]
|
| 190 |
+
images, image_attention_masks = [x[0] for x in imgs_and_masks], [x[1] for x in imgs_and_masks]
|
| 191 |
+
|
| 192 |
+
images = [F.to_tensor(image) for image in images]
|
| 193 |
+
hd_images = [F.normalize(image, image_mean, image_std) for image in images]
|
| 194 |
+
global_image = [
|
| 195 |
+
torch.nn.functional.interpolate(
|
| 196 |
+
image.unsqueeze(0).float(),
|
| 197 |
+
size=(image_size, image_size),
|
| 198 |
+
mode="bicubic",
|
| 199 |
+
).to(image.dtype)
|
| 200 |
+
for image in hd_images
|
| 201 |
+
]
|
| 202 |
+
|
| 203 |
+
shapes = [[image.size(1), image.size(2)] for image in hd_images]
|
| 204 |
+
mask_shapes = [[mask.size(0), mask.size(1)] for mask in image_attention_masks]
|
| 205 |
+
global_attention_mask = [torch.ones((1, mask_size, mask_size)) for _ in hd_images]
|
| 206 |
+
|
| 207 |
+
hd_images_reshape = []
|
| 208 |
+
for im, (h, w) in zip(hd_images, shapes):
|
| 209 |
+
im = im.reshape(1, 3, h // image_size, image_size, w // image_size, image_size)
|
| 210 |
+
im = im.permute(0, 2, 4, 1, 3, 5)
|
| 211 |
+
im = im.reshape(-1, 3, image_size, image_size)
|
| 212 |
+
hd_images_reshape.append(im.contiguous())
|
| 213 |
+
|
| 214 |
+
attention_masks_reshape = []
|
| 215 |
+
for mask, (h, w) in zip(image_attention_masks, mask_shapes):
|
| 216 |
+
mask = mask.reshape(h // mask_size, mask_size, w // mask_size, mask_size)
|
| 217 |
+
mask = mask.transpose(1, 2)
|
| 218 |
+
mask = mask.reshape(-1, mask_size, mask_size)
|
| 219 |
+
attention_masks_reshape.append(mask.contiguous())
|
| 220 |
+
|
| 221 |
+
downsample_attention_masks = []
|
| 222 |
+
for mask, (h, w) in zip(attention_masks_reshape, mask_shapes):
|
| 223 |
+
mask = mask[:, 0::2, 0::2]
|
| 224 |
+
mask = mask.reshape(
|
| 225 |
+
h // mask_size, w // mask_size, mask_size // 2 + mask_size % 2, mask_size // 2 + mask_size % 2
|
| 226 |
+
)
|
| 227 |
+
mask = mask.transpose(1, 2)
|
| 228 |
+
mask = mask.reshape(mask.size(0) * mask.size(1), mask.size(2) * mask.size(3))
|
| 229 |
+
downsample_attention_masks.append(mask)
|
| 230 |
+
|
| 231 |
+
num_img_tokens = [
|
| 232 |
+
256 + 1 + int(mask.sum().item()) + int(mask[:, 0].sum().item()) + 16 for mask in downsample_attention_masks
|
| 233 |
+
]
|
| 234 |
+
|
| 235 |
+
hd_images_reshape = [
|
| 236 |
+
torch.cat([_global_image] + [_im], dim=0) for _global_image, _im in zip(global_image, hd_images_reshape)
|
| 237 |
+
]
|
| 238 |
+
hd_masks_reshape = [
|
| 239 |
+
torch.cat([_global_mask] + [_mask], dim=0)
|
| 240 |
+
for _global_mask, _mask in zip(global_attention_mask, attention_masks_reshape)
|
| 241 |
+
]
|
| 242 |
+
max_crops = max([img.size(0) for img in hd_images_reshape])
|
| 243 |
+
image_transformed = [self.pad_to_max_num_crops(im, max_crops) for im in hd_images_reshape]
|
| 244 |
+
image_transformed = torch.stack(image_transformed, dim=0)
|
| 245 |
+
mask_transformed = [self.pad_mask_to_max_num_crops(mask, max_crops) for mask in hd_masks_reshape]
|
| 246 |
+
mask_transformed = torch.stack(mask_transformed, dim=0)
|
| 247 |
+
|
| 248 |
+
returned_input_image_embeds = image_transformed
|
| 249 |
+
returned_image_sizes = torch.tensor(shapes, dtype=torch.long)
|
| 250 |
+
returned_image_attention_mask = mask_transformed
|
| 251 |
+
returned_num_img_tokens = num_img_tokens
|
| 252 |
+
|
| 253 |
+
data = {
|
| 254 |
+
"image_pixel_values": returned_input_image_embeds,
|
| 255 |
+
"image_sizes": returned_image_sizes,
|
| 256 |
+
"image_attention_mask": returned_image_attention_mask,
|
| 257 |
+
"num_img_tokens": returned_num_img_tokens,
|
| 258 |
+
}
|
| 259 |
+
|
| 260 |
+
return BatchFeature(data=data, tensor_type=return_tensors)
|
| 261 |
+
|
| 262 |
+
|
| 263 |
+
__all__ = ["Phi4MultimodalImageProcessorFast"]
|
docs/transformers/build/lib/transformers/models/phi4_multimodal/modeling_phi4_multimodal.py
ADDED
|
The diff for this file is too large to render.
See raw diff
|
|
|
docs/transformers/build/lib/transformers/models/phi4_multimodal/modular_phi4_multimodal.py
ADDED
|
@@ -0,0 +1,1850 @@
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|
| 1 |
+
# Copyright 2025 Microsoft and the HuggingFace Inc. team. All rights reserved.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
import math
|
| 16 |
+
from typing import Callable, List, Optional, Tuple, Union
|
| 17 |
+
|
| 18 |
+
import numpy as np
|
| 19 |
+
import torch
|
| 20 |
+
import torch.nn.functional as F
|
| 21 |
+
import torch.utils.checkpoint
|
| 22 |
+
from torch import nn
|
| 23 |
+
|
| 24 |
+
from transformers.modeling_attn_mask_utils import _prepare_4d_attention_mask
|
| 25 |
+
|
| 26 |
+
from ...activations import ACT2FN
|
| 27 |
+
from ...cache_utils import DynamicCache
|
| 28 |
+
from ...configuration_utils import PretrainedConfig
|
| 29 |
+
from ...modeling_outputs import (
|
| 30 |
+
BaseModelOutput,
|
| 31 |
+
BaseModelOutputWithPast,
|
| 32 |
+
BaseModelOutputWithPooling,
|
| 33 |
+
CausalLMOutputWithPast,
|
| 34 |
+
)
|
| 35 |
+
from ...modeling_utils import ALL_ATTENTION_FUNCTIONS, PreTrainedModel
|
| 36 |
+
from ...utils import (
|
| 37 |
+
add_start_docstrings_to_model_forward,
|
| 38 |
+
can_return_tuple,
|
| 39 |
+
logging,
|
| 40 |
+
replace_return_docstrings,
|
| 41 |
+
)
|
| 42 |
+
from ..phi3.configuration_phi3 import Phi3Config
|
| 43 |
+
from ..phi3.modeling_phi3 import (
|
| 44 |
+
Phi3DecoderLayer,
|
| 45 |
+
Phi3ForCausalLM,
|
| 46 |
+
Phi3Model,
|
| 47 |
+
Phi3PreTrainedModel,
|
| 48 |
+
Phi3RMSNorm,
|
| 49 |
+
Phi3RotaryEmbedding,
|
| 50 |
+
)
|
| 51 |
+
from ..siglip.configuration_siglip import SiglipVisionConfig
|
| 52 |
+
from ..siglip.modeling_siglip import (
|
| 53 |
+
SiglipEncoder,
|
| 54 |
+
SiglipEncoderLayer,
|
| 55 |
+
SiglipMLP,
|
| 56 |
+
SiglipMultiheadAttentionPoolingHead,
|
| 57 |
+
SiglipPreTrainedModel,
|
| 58 |
+
SiglipVisionEmbeddings,
|
| 59 |
+
default_flax_embed_init,
|
| 60 |
+
lecun_normal_,
|
| 61 |
+
)
|
| 62 |
+
|
| 63 |
+
|
| 64 |
+
logger = logging.get_logger(__name__)
|
| 65 |
+
|
| 66 |
+
|
| 67 |
+
class Phi4MultimodalVisionConfig(SiglipVisionConfig):
|
| 68 |
+
r"""
|
| 69 |
+
This is the configuration class to store the configuration of a [`Phi4MultimodalVisionModel`]. It is used to instantiate a
|
| 70 |
+
Phi4Multimodal vision encoder according to the specified arguments, defining the model architecture. Instantiating a
|
| 71 |
+
configuration with the defaults will yield a similar configuration to that of the vision encoder of
|
| 72 |
+
[microsoft/Phi-4-multimodal-instruct](https://huggingface.co/microsoft/Phi-4-multimodal-instruct) architecture.
|
| 73 |
+
|
| 74 |
+
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
|
| 75 |
+
documentation from [`PretrainedConfig`] for more information.
|
| 76 |
+
|
| 77 |
+
Args:
|
| 78 |
+
hidden_size (`int`, *optional*, defaults to 1152):
|
| 79 |
+
Dimensionality of the encoder layers and the pooler layer.
|
| 80 |
+
intermediate_size (`int`, *optional*, defaults to 4304):
|
| 81 |
+
Dimensionality of the "intermediate" (i.e., feed-forward) layer in the Transformer encoder.
|
| 82 |
+
num_hidden_layers (`int`, *optional*, defaults to 27):
|
| 83 |
+
Number of hidden layers in the Transformer encoder.
|
| 84 |
+
num_attention_heads (`int`, *optional*, defaults to 16):
|
| 85 |
+
Number of attention heads for each attention layer in the Transformer encoder.
|
| 86 |
+
num_channels (`int`, *optional*, defaults to 3):
|
| 87 |
+
Number of channels in the input images.
|
| 88 |
+
image_size (`int`, *optional*, defaults to 448):
|
| 89 |
+
The size (resolution) of each image.
|
| 90 |
+
patch_size (`int`, *optional*, defaults to 14):
|
| 91 |
+
The size (resolution) of each patch.
|
| 92 |
+
hidden_act (`str` or `function`, *optional*, defaults to `"gelu_pytorch_tanh"`):
|
| 93 |
+
The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
|
| 94 |
+
`"relu"`, `"selu"` and `"gelu_new"` `"quick_gelu"` are supported.
|
| 95 |
+
layer_norm_eps (`float`, *optional*, defaults to 1e-06):
|
| 96 |
+
The epsilon used by the layer normalization layers.
|
| 97 |
+
attention_dropout (`float`, *optional*, defaults to 0.0):
|
| 98 |
+
The dropout ratio for the attention probabilities.
|
| 99 |
+
crop_size (`int`, *optional*, defaults to 448):
|
| 100 |
+
Crop size for the input images.
|
| 101 |
+
image_token_id (`int`, *optional*, defaults to 200010):
|
| 102 |
+
The image token id.
|
| 103 |
+
feature_layer (`int`, *optional*, defaults to -2):
|
| 104 |
+
The index of the layer of the encoder from which to extract image features.
|
| 105 |
+
|
| 106 |
+
Example:
|
| 107 |
+
|
| 108 |
+
```python
|
| 109 |
+
>>> from transformers import Phi4MultimodalVisionConfig
|
| 110 |
+
|
| 111 |
+
>>> # Initializing a Phi4MultimodalVisionConfig with microsoft/Phi-4-multimodal-instruct style configuration
|
| 112 |
+
>>> configuration = Phi4MultimodalVisionConfig()
|
| 113 |
+
```"""
|
| 114 |
+
|
| 115 |
+
model_type = "phi4_multimodal_vision"
|
| 116 |
+
|
| 117 |
+
def __init__(
|
| 118 |
+
self,
|
| 119 |
+
hidden_size=1152,
|
| 120 |
+
intermediate_size=4304,
|
| 121 |
+
num_hidden_layers=27,
|
| 122 |
+
num_attention_heads=16,
|
| 123 |
+
num_channels=3,
|
| 124 |
+
image_size=448,
|
| 125 |
+
patch_size=14,
|
| 126 |
+
hidden_act="gelu_pytorch_tanh",
|
| 127 |
+
layer_norm_eps=1e-6,
|
| 128 |
+
attention_dropout=0.0,
|
| 129 |
+
crop_size: int = 448,
|
| 130 |
+
image_token_id: int = 200010,
|
| 131 |
+
feature_layer: int = -2,
|
| 132 |
+
**kwargs,
|
| 133 |
+
):
|
| 134 |
+
super().__init__(
|
| 135 |
+
hidden_size=hidden_size,
|
| 136 |
+
intermediate_size=intermediate_size,
|
| 137 |
+
num_hidden_layers=num_hidden_layers,
|
| 138 |
+
num_attention_heads=num_attention_heads,
|
| 139 |
+
num_channels=num_channels,
|
| 140 |
+
image_size=image_size,
|
| 141 |
+
patch_size=patch_size,
|
| 142 |
+
hidden_act=hidden_act,
|
| 143 |
+
layer_norm_eps=layer_norm_eps,
|
| 144 |
+
attention_dropout=attention_dropout,
|
| 145 |
+
**kwargs,
|
| 146 |
+
)
|
| 147 |
+
self.crop_size = crop_size
|
| 148 |
+
self.image_token_id = image_token_id
|
| 149 |
+
self.feature_layer = feature_layer
|
| 150 |
+
|
| 151 |
+
|
| 152 |
+
class Phi4MultimodalAudioConfig(PretrainedConfig):
|
| 153 |
+
r"""
|
| 154 |
+
This is the configuration class to store the configuration of a [`Phi4MultimodalAudioModel`]. It is used to instantiate a
|
| 155 |
+
Phi4Multimodal audio encoder according to the specified arguments, defining the model architecture. Instantiating a
|
| 156 |
+
configuration with the defaults will yield a similar configuration to that of the audio encoder of
|
| 157 |
+
[microsoft/Phi-4-multimodal-instruct](https://huggingface.co/microsoft/Phi-4-multimodal-instruct) architecture.
|
| 158 |
+
|
| 159 |
+
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
|
| 160 |
+
documentation from [`PretrainedConfig`] for more information.
|
| 161 |
+
|
| 162 |
+
Args:
|
| 163 |
+
hidden_size (`int`, *optional*, defaults to 1024):
|
| 164 |
+
Dimensionality of the encoder layers.
|
| 165 |
+
intermediate_size (`int`, *optional*, defaults to 1536):
|
| 166 |
+
Dimensionality of the "intermediate" (i.e., feed-forward) layer in the Transformer encoder.
|
| 167 |
+
num_blocks (`int`, *optional*, defaults to 24):
|
| 168 |
+
Number of hidden layers in the Transformer encoder.
|
| 169 |
+
num_attention_heads (`int`, *optional*, defaults to 16):
|
| 170 |
+
Number of attention heads for each attention layer in the Transformer encoder.
|
| 171 |
+
activation (`str`, *optional*, defaults to `"swish"`):
|
| 172 |
+
The non-linear activation function in the MLPs.
|
| 173 |
+
chunk_size (`int`, *optional*, defaults to -1):
|
| 174 |
+
The chunk size to create the masks.
|
| 175 |
+
left_chunk (`int`, *optional*, defaults to 18):
|
| 176 |
+
The left chunk to create the masks.
|
| 177 |
+
dropout_rate (`float`, *optional*, defaults to 0.0):
|
| 178 |
+
The dropout ratio.
|
| 179 |
+
ext_pw_out_channel (`int`, *optional*, defaults to 1024):
|
| 180 |
+
Number of out channels in the point-wise conv modules.
|
| 181 |
+
depthwise_seperable_out_channel (`int`, *optional*, defaults to 1024):
|
| 182 |
+
Number of out channels in the depth-wise separable conv modules.
|
| 183 |
+
depthwise_multiplier (`int`, *optional*, defaults to 1):
|
| 184 |
+
Input size multiplier for the depth-wise separable conv modules.
|
| 185 |
+
kernel_size (`int`, *optional*, defaults to 3):
|
| 186 |
+
Kernel size for the depth-wise separable conv modules.
|
| 187 |
+
conv_activation (`str`, *optional*, defaults to `"swish"`):
|
| 188 |
+
The non-linear activation function in the conv modules.
|
| 189 |
+
input_size (`int`, *optional*, defaults to 80):
|
| 190 |
+
Input size for the audio model.
|
| 191 |
+
conv_glu_type (`str`, *optional*, defaults to `"swish"`):
|
| 192 |
+
The non-linear activation function in the point-wise conv modules.
|
| 193 |
+
time_reduction (`int`, *optional*, defaults to 8):
|
| 194 |
+
Time reduction (subsampling factor).
|
| 195 |
+
bias_max_distance (`int`, *optional*, defaults to 1000):
|
| 196 |
+
Max distance for the relative attention bias module.
|
| 197 |
+
bias_symmetric (`bool`, *optional*, defaults to `False`):
|
| 198 |
+
Whether the relative attention bias should be symmetric or not.
|
| 199 |
+
nemo_activation (`str`, *optional*, defaults to `"relu"`):
|
| 200 |
+
The non-linear activation function in the nemo conv modules.
|
| 201 |
+
nemo_conv_channels (`int`, *optional*, defaults to 1024):
|
| 202 |
+
Number of channels in the nemo conv modules.
|
| 203 |
+
downsample_rate (`int`, *optional*, defaults to 1):
|
| 204 |
+
Downsample rate for the audio feature extractor.
|
| 205 |
+
initializer_range (`float`, *optional*, defaults to 0.02):
|
| 206 |
+
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
|
| 207 |
+
audio_token_id (`int`, *optional*, defaults to 200011):
|
| 208 |
+
The audio token id.
|
| 209 |
+
feature_layer (`int`, *optional*, defaults to -2):
|
| 210 |
+
The index of the layer of the encoder from which to extract audio features.
|
| 211 |
+
|
| 212 |
+
Example:
|
| 213 |
+
|
| 214 |
+
```python
|
| 215 |
+
>>> from transformers import Phi4MultimodalAudioConfig
|
| 216 |
+
|
| 217 |
+
>>> # Initializing a Phi4MultimodalAudioConfig with microsoft/Phi-4-multimodal-instruct style configuration
|
| 218 |
+
>>> configuration = Phi4MultimodalAudioConfig()
|
| 219 |
+
```"""
|
| 220 |
+
|
| 221 |
+
model_type = "phi4_multimodal_audio"
|
| 222 |
+
|
| 223 |
+
def __init__(
|
| 224 |
+
self,
|
| 225 |
+
hidden_size: int = 1024,
|
| 226 |
+
intermediate_size: int = 1536,
|
| 227 |
+
num_blocks: int = 24,
|
| 228 |
+
num_attention_heads: int = 16,
|
| 229 |
+
activation: str = "swish",
|
| 230 |
+
chunk_size: int = -1,
|
| 231 |
+
left_chunk: int = 18,
|
| 232 |
+
dropout_rate: float = 0.0,
|
| 233 |
+
ext_pw_out_channel: int = 1024,
|
| 234 |
+
depthwise_seperable_out_channel: int = 1024,
|
| 235 |
+
depthwise_multiplier: int = 1,
|
| 236 |
+
kernel_size: int = 3,
|
| 237 |
+
conv_activation: str = "swish",
|
| 238 |
+
input_size: int = 80,
|
| 239 |
+
conv_glu_type: str = "swish",
|
| 240 |
+
time_reduction: int = 8,
|
| 241 |
+
bias_max_distance: int = 1000,
|
| 242 |
+
bias_symmetric: bool = False,
|
| 243 |
+
nemo_activation: str = "relu",
|
| 244 |
+
nemo_conv_channels: int = 1024,
|
| 245 |
+
downsample_rate: int = 1,
|
| 246 |
+
initializer_range: float = 0.02,
|
| 247 |
+
audio_token_id: int = 200011,
|
| 248 |
+
feature_layer: int = -2,
|
| 249 |
+
**kwargs,
|
| 250 |
+
):
|
| 251 |
+
super().__init__(**kwargs)
|
| 252 |
+
self.hidden_size = hidden_size
|
| 253 |
+
self.num_attention_heads = num_attention_heads
|
| 254 |
+
self.intermediate_size = intermediate_size
|
| 255 |
+
self.activation = activation
|
| 256 |
+
self.chunk_size = chunk_size
|
| 257 |
+
self.left_chunk = left_chunk
|
| 258 |
+
self.num_blocks = num_blocks
|
| 259 |
+
self.dropout_rate = dropout_rate
|
| 260 |
+
self.ext_pw_out_channel = ext_pw_out_channel
|
| 261 |
+
self.depthwise_seperable_out_channel = depthwise_seperable_out_channel
|
| 262 |
+
self.depthwise_multiplier = depthwise_multiplier
|
| 263 |
+
self.kernel_size = kernel_size
|
| 264 |
+
self.conv_activation = conv_activation
|
| 265 |
+
self.input_size = input_size
|
| 266 |
+
self.conv_glu_type = conv_glu_type
|
| 267 |
+
self.time_reduction = time_reduction
|
| 268 |
+
self.bias_max_distance = bias_max_distance
|
| 269 |
+
self.bias_symmetric = bias_symmetric
|
| 270 |
+
self.nemo_activation = nemo_activation
|
| 271 |
+
self.nemo_conv_channels = nemo_conv_channels
|
| 272 |
+
self.downsample_rate = downsample_rate
|
| 273 |
+
self.audio_token_id = audio_token_id
|
| 274 |
+
self.initializer_range = initializer_range
|
| 275 |
+
self.feature_layer = feature_layer
|
| 276 |
+
|
| 277 |
+
if time_reduction % 2 != 0:
|
| 278 |
+
raise ValueError("`time_reduction` should be a multiple of 2!")
|
| 279 |
+
length = input_size
|
| 280 |
+
for _ in range(int(math.log(time_reduction, 2))):
|
| 281 |
+
length = math.floor((length - 1) / 2 + 1)
|
| 282 |
+
self.nemo_final_size = length
|
| 283 |
+
|
| 284 |
+
|
| 285 |
+
class Phi4MultimodalConfig(Phi3Config):
|
| 286 |
+
r"""
|
| 287 |
+
This is the configuration class to store the configuration of a [`Phi4MultimodalModel`]. It is used to instantiate a
|
| 288 |
+
Phi4Multimodal model according to the specified arguments, defining the model architecture. Instantiating a configuration
|
| 289 |
+
with the defaults will yield a similar configuration to that of the
|
| 290 |
+
[microsoft/Phi-4-multimodal-instruct](https://huggingface.co/microsoft/Phi-4-multimodal-instruct) architecture.
|
| 291 |
+
|
| 292 |
+
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
|
| 293 |
+
documentation from [`PretrainedConfig`] for more information.
|
| 294 |
+
|
| 295 |
+
Args:
|
| 296 |
+
vocab_size (`int`, *optional*, defaults to 200064):
|
| 297 |
+
Vocabulary size of the Phi-3 model. Defines the number of different tokens that can be represented by the
|
| 298 |
+
`inputs_ids` passed when calling [`Phi3Model`].
|
| 299 |
+
hidden_size (`int`, *optional*, defaults to 3072):
|
| 300 |
+
Dimension of the hidden representations.
|
| 301 |
+
intermediate_size (`int`, *optional*, defaults to 8192):
|
| 302 |
+
Dimension of the MLP representations.
|
| 303 |
+
num_hidden_layers (`int`, *optional*, defaults to 32):
|
| 304 |
+
Number of hidden layers in the Transformer decoder.
|
| 305 |
+
num_attention_heads (`int`, *optional*, defaults to 32):
|
| 306 |
+
Number of attention heads for each attention layer in the Transformer decoder.
|
| 307 |
+
num_key_value_heads (`int`, *optional*, defaults to 8):
|
| 308 |
+
This is the number of key_value heads that should be used to implement Grouped Query Attention. If
|
| 309 |
+
`num_key_value_heads=num_attention_heads`, the model will use Multi Head Attention (MHA), if
|
| 310 |
+
`num_key_value_heads=1` the model will use Multi Query Attention (MQA) otherwise GQA is used. When
|
| 311 |
+
converting a multi-head checkpoint to a GQA checkpoint, each group key and value head should be constructed
|
| 312 |
+
by meanpooling all the original heads within that group. For more details checkout [this
|
| 313 |
+
paper](https://arxiv.org/pdf/2305.13245.pdf). If it is not specified, will default to
|
| 314 |
+
`num_attention_heads`.
|
| 315 |
+
resid_pdrop (`float`, *optional*, defaults to 0.0):
|
| 316 |
+
Dropout probability for mlp outputs.
|
| 317 |
+
embd_pdrop (`int`, *optional*, defaults to 0.0):
|
| 318 |
+
The dropout ratio for the embeddings.
|
| 319 |
+
attention_dropout (`float`, *optional*, defaults to 0.0):
|
| 320 |
+
The dropout ratio after computing the attention scores.
|
| 321 |
+
hidden_act (`str` or `function`, *optional*, defaults to `"silu"`):
|
| 322 |
+
The non-linear activation function (function or string) in the decoder.
|
| 323 |
+
max_position_embeddings (`int`, *optional*, defaults to 131072):
|
| 324 |
+
The maximum sequence length that this model might ever be used with.
|
| 325 |
+
initializer_range (`float`, *optional*, defaults to 0.02):
|
| 326 |
+
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
|
| 327 |
+
rms_norm_eps (`float`, *optional*, defaults to 1e-05):
|
| 328 |
+
The epsilon value used for the RMSNorm.
|
| 329 |
+
use_cache (`bool`, *optional*, defaults to `True`):
|
| 330 |
+
Whether or not the model should return the last key/values attentions (not used by all models). Only
|
| 331 |
+
relevant if `config.is_decoder=True`. Whether to tie weight embeddings or not.
|
| 332 |
+
tie_word_embeddings (`bool`, *optional*, defaults to `False`):
|
| 333 |
+
Whether to tie weight embeddings
|
| 334 |
+
rope_theta (`float`, *optional*, defaults to 10000.0):
|
| 335 |
+
The base period of the RoPE embeddings.
|
| 336 |
+
rope_scaling (`dict`, *optional*):
|
| 337 |
+
The scaling strategy for the RoPE embeddings. If `None`, no scaling is applied. If a dictionary, it must
|
| 338 |
+
contain the following keys: `type`, `short_factor` and `long_factor`. The `type` must be `longrope` and
|
| 339 |
+
the `short_factor` and `long_factor` must be lists of numbers with the same length as the hidden size
|
| 340 |
+
divided by the number of attention heads divided by 2.
|
| 341 |
+
partial_rotary_factor (`float`, *optional*, defaults to `1.0`):
|
| 342 |
+
Percentage of the query and keys which will have rotary embedding. Must be between 0.0 and 1.0.
|
| 343 |
+
bos_token_id (`int`, *optional*, defaults to 199999):
|
| 344 |
+
The id of the "beginning-of-sequence" token.
|
| 345 |
+
eos_token_id (`int` or `list[int]`, *optional*, defaults to `[199999, 200020]`):
|
| 346 |
+
The id of the "end-of-sequence" token.
|
| 347 |
+
pad_token_id (`int`, *optional*, defaults to 199999):
|
| 348 |
+
The id of the padding token.
|
| 349 |
+
original_max_position_embeddings (`int`, *optional*, defaults to 4096):
|
| 350 |
+
The maximum sequence length that this model was trained with. This is used to determine the size of the
|
| 351 |
+
original RoPE embeddings when using long scaling.
|
| 352 |
+
sliding_window (`int`, *optional*):
|
| 353 |
+
Sliding window attention window size. If `None`, no sliding window is applied.
|
| 354 |
+
vision_config (`Phi4MultimodalVisionConfig` or `dict`, *optional*):
|
| 355 |
+
The vision config for the underlying image embedding model. If not provided, will default to the configuration
|
| 356 |
+
used to instantiate a model similar in architecture as
|
| 357 |
+
[microsoft/Phi-4-multimodal-instruct](https://huggingface.co/microsoft/Phi-4-multimodal-instruct).
|
| 358 |
+
audio_config (`Phi4MultimodalAudioConfig` or `dict`, *optional*):
|
| 359 |
+
The audio config for the underlying audio embedding model. If not provided, will default to the configuration
|
| 360 |
+
used to instantiate a model similar in architecture as
|
| 361 |
+
[microsoft/Phi-4-multimodal-instruct](https://huggingface.co/microsoft/Phi-4-multimodal-instruct).
|
| 362 |
+
|
| 363 |
+
Example:
|
| 364 |
+
|
| 365 |
+
```python
|
| 366 |
+
>>> from transformers import Phi4MultimodalModel, Phi4MultimodalConfig
|
| 367 |
+
|
| 368 |
+
>>> # Initializing a Phi4Multimodal style configuration
|
| 369 |
+
>>> configuration = Phi4MultimodalConfig.from_pretrained("microsoft/Phi-4-multimodal-instruct")
|
| 370 |
+
|
| 371 |
+
>>> # Initializing a model from the configuration
|
| 372 |
+
>>> model = Phi4MultimodalModel(configuration)
|
| 373 |
+
|
| 374 |
+
>>> # Accessing the model configuration
|
| 375 |
+
>>> configuration = model.config
|
| 376 |
+
```"""
|
| 377 |
+
|
| 378 |
+
sub_configs = {"audio_config": Phi4MultimodalAudioConfig, "vision_config": Phi4MultimodalVisionConfig}
|
| 379 |
+
|
| 380 |
+
def __init__(
|
| 381 |
+
self,
|
| 382 |
+
vocab_size=200064,
|
| 383 |
+
hidden_size=3072,
|
| 384 |
+
intermediate_size=8192,
|
| 385 |
+
num_hidden_layers=32,
|
| 386 |
+
num_attention_heads=32,
|
| 387 |
+
num_key_value_heads=8,
|
| 388 |
+
resid_pdrop=0.0,
|
| 389 |
+
embd_pdrop=0.0,
|
| 390 |
+
attention_dropout=0.0,
|
| 391 |
+
hidden_act="silu",
|
| 392 |
+
max_position_embeddings=131072,
|
| 393 |
+
initializer_range=0.02,
|
| 394 |
+
rms_norm_eps=1e-5,
|
| 395 |
+
use_cache=True,
|
| 396 |
+
tie_word_embeddings=False,
|
| 397 |
+
rope_theta=10000.0,
|
| 398 |
+
rope_scaling=None,
|
| 399 |
+
partial_rotary_factor=1,
|
| 400 |
+
bos_token_id=199999,
|
| 401 |
+
eos_token_id=[199999, 200020],
|
| 402 |
+
pad_token_id=199999,
|
| 403 |
+
original_max_position_embeddings=4096,
|
| 404 |
+
sliding_window=None,
|
| 405 |
+
vision_config=None,
|
| 406 |
+
audio_config=None,
|
| 407 |
+
**kwargs,
|
| 408 |
+
):
|
| 409 |
+
super().__init__(
|
| 410 |
+
vocab_size=vocab_size,
|
| 411 |
+
hidden_size=hidden_size,
|
| 412 |
+
intermediate_size=intermediate_size,
|
| 413 |
+
num_hidden_layers=num_hidden_layers,
|
| 414 |
+
num_attention_heads=num_attention_heads,
|
| 415 |
+
num_key_value_heads=num_key_value_heads,
|
| 416 |
+
resid_pdrop=resid_pdrop,
|
| 417 |
+
embd_pdrop=embd_pdrop,
|
| 418 |
+
attention_dropout=attention_dropout,
|
| 419 |
+
hidden_act=hidden_act,
|
| 420 |
+
max_position_embeddings=max_position_embeddings,
|
| 421 |
+
initializer_range=initializer_range,
|
| 422 |
+
rms_norm_eps=rms_norm_eps,
|
| 423 |
+
use_cache=use_cache,
|
| 424 |
+
tie_word_embeddings=tie_word_embeddings,
|
| 425 |
+
rope_theta=rope_theta,
|
| 426 |
+
rope_scaling=rope_scaling,
|
| 427 |
+
partial_rotary_factor=partial_rotary_factor,
|
| 428 |
+
bos_token_id=bos_token_id,
|
| 429 |
+
eos_token_id=eos_token_id,
|
| 430 |
+
pad_token_id=pad_token_id,
|
| 431 |
+
original_max_position_embeddings=original_max_position_embeddings,
|
| 432 |
+
sliding_window=sliding_window,
|
| 433 |
+
**kwargs,
|
| 434 |
+
)
|
| 435 |
+
|
| 436 |
+
if isinstance(vision_config, dict):
|
| 437 |
+
vision_config = Phi4MultimodalVisionConfig(**vision_config)
|
| 438 |
+
elif vision_config is None:
|
| 439 |
+
Phi4MultimodalVisionConfig()
|
| 440 |
+
self.vision_config = vision_config
|
| 441 |
+
|
| 442 |
+
if isinstance(audio_config, dict):
|
| 443 |
+
audio_config = Phi4MultimodalAudioConfig(**audio_config)
|
| 444 |
+
elif vision_config is None:
|
| 445 |
+
audio_config = Phi4MultimodalAudioConfig()
|
| 446 |
+
self.audio_config = audio_config
|
| 447 |
+
|
| 448 |
+
|
| 449 |
+
class Phi4MultimodalVisionMLP(SiglipMLP):
|
| 450 |
+
pass
|
| 451 |
+
|
| 452 |
+
|
| 453 |
+
def simple_eager_attention_forward(
|
| 454 |
+
module: nn.Module,
|
| 455 |
+
query_states: torch.Tensor,
|
| 456 |
+
key_states: torch.Tensor,
|
| 457 |
+
value_states: torch.Tensor,
|
| 458 |
+
attention_mask: Optional[torch.Tensor],
|
| 459 |
+
scaling: float,
|
| 460 |
+
dropout: float = 0.0,
|
| 461 |
+
**kwargs,
|
| 462 |
+
):
|
| 463 |
+
attn_weights = torch.matmul(query_states, key_states.transpose(2, 3)) * scaling
|
| 464 |
+
if attention_mask is not None:
|
| 465 |
+
causal_mask = attention_mask[:, :, :, : key_states.shape[-2]]
|
| 466 |
+
attn_weights = attn_weights + causal_mask
|
| 467 |
+
|
| 468 |
+
attn_weights = nn.functional.softmax(attn_weights, dim=-1, dtype=torch.float32).to(query_states.dtype)
|
| 469 |
+
attn_weights = nn.functional.dropout(attn_weights, p=dropout, training=module.training)
|
| 470 |
+
attn_output = torch.matmul(attn_weights, value_states)
|
| 471 |
+
attn_output = attn_output.transpose(1, 2).contiguous()
|
| 472 |
+
|
| 473 |
+
return attn_output, attn_weights
|
| 474 |
+
|
| 475 |
+
|
| 476 |
+
class Phi4MultimodalVisionAttention(nn.Module):
|
| 477 |
+
def __init__(self, config: Phi4MultimodalVisionConfig):
|
| 478 |
+
super().__init__()
|
| 479 |
+
self.config = config
|
| 480 |
+
self.embed_dim = config.hidden_size
|
| 481 |
+
self.num_heads = config.num_attention_heads
|
| 482 |
+
self.head_dim = self.embed_dim // self.num_heads
|
| 483 |
+
self.scaling = self.head_dim**-0.5
|
| 484 |
+
self.is_causal = True
|
| 485 |
+
self.attention_dropout = config.attention_dropout
|
| 486 |
+
|
| 487 |
+
self.k_proj = nn.Linear(config.hidden_size, config.hidden_size)
|
| 488 |
+
self.v_proj = nn.Linear(config.hidden_size, config.hidden_size)
|
| 489 |
+
self.q_proj = nn.Linear(config.hidden_size, config.hidden_size)
|
| 490 |
+
self.out_proj = nn.Linear(config.hidden_size, config.hidden_size)
|
| 491 |
+
|
| 492 |
+
def forward(
|
| 493 |
+
self,
|
| 494 |
+
hidden_states: torch.Tensor,
|
| 495 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 496 |
+
**kwargs,
|
| 497 |
+
) -> Tuple[torch.Tensor, Optional[torch.Tensor]]:
|
| 498 |
+
"""Input shape: Batch x Time x Channel"""
|
| 499 |
+
input_shape = hidden_states.shape[:-1]
|
| 500 |
+
hidden_shape = (*input_shape, -1, self.head_dim)
|
| 501 |
+
|
| 502 |
+
query_states = self.q_proj(hidden_states).view(hidden_shape).transpose(1, 2)
|
| 503 |
+
key_states = self.k_proj(hidden_states).view(hidden_shape).transpose(1, 2)
|
| 504 |
+
value_states = self.v_proj(hidden_states).view(hidden_shape).transpose(1, 2)
|
| 505 |
+
|
| 506 |
+
attention_interface: Callable = simple_eager_attention_forward
|
| 507 |
+
if self.config._attn_implementation != "eager":
|
| 508 |
+
attention_interface = ALL_ATTENTION_FUNCTIONS[self.config._attn_implementation]
|
| 509 |
+
|
| 510 |
+
attn_output, attn_weights = attention_interface(
|
| 511 |
+
self,
|
| 512 |
+
query_states,
|
| 513 |
+
key_states,
|
| 514 |
+
value_states,
|
| 515 |
+
attention_mask,
|
| 516 |
+
dropout=0.0 if not self.training else self.attention_dropout,
|
| 517 |
+
scaling=self.scaling,
|
| 518 |
+
**kwargs,
|
| 519 |
+
)
|
| 520 |
+
|
| 521 |
+
attn_output = attn_output.reshape(*input_shape, -1)
|
| 522 |
+
attn_output = self.out_proj(attn_output)
|
| 523 |
+
return attn_output, attn_weights
|
| 524 |
+
|
| 525 |
+
|
| 526 |
+
class Phi4MultimodalVisionEncoderLayer(SiglipEncoderLayer):
|
| 527 |
+
def __init__(self, config: Phi4MultimodalVisionConfig):
|
| 528 |
+
super().__init__(config)
|
| 529 |
+
self.self_attn = Phi4MultimodalVisionAttention(config)
|
| 530 |
+
self.mlp = Phi4MultimodalVisionMLP(config)
|
| 531 |
+
|
| 532 |
+
|
| 533 |
+
class Phi4MultimodalVisionEncoder(SiglipEncoder):
|
| 534 |
+
def __init__(self, config: Phi4MultimodalVisionConfig):
|
| 535 |
+
super().__init__()
|
| 536 |
+
self.layers = nn.ModuleList(
|
| 537 |
+
[Phi4MultimodalVisionEncoderLayer(config) for _ in range(config.num_hidden_layers)]
|
| 538 |
+
)
|
| 539 |
+
|
| 540 |
+
|
| 541 |
+
class Phi4MultimodalVisionPreTrainedModel(SiglipPreTrainedModel):
|
| 542 |
+
config_class = Phi4MultimodalVisionConfig
|
| 543 |
+
base_model_prefix = "phi4_vision"
|
| 544 |
+
supports_gradient_checkpointing = True
|
| 545 |
+
|
| 546 |
+
_no_split_modules = ["Phi4MultimodalVisionEncoderLayer"]
|
| 547 |
+
_supports_flash_attn_2 = True
|
| 548 |
+
_supports_sdpa = True
|
| 549 |
+
_supports_flex_attn = True
|
| 550 |
+
|
| 551 |
+
def _init_weights(self, module):
|
| 552 |
+
"""Initialize the weights"""
|
| 553 |
+
if isinstance(module, Phi4MultimodalVisionEmbeddings):
|
| 554 |
+
width = (
|
| 555 |
+
self.config.hidden_size
|
| 556 |
+
if isinstance(self.config, Phi4MultimodalVisionConfig)
|
| 557 |
+
else self.config.hidden_size
|
| 558 |
+
)
|
| 559 |
+
nn.init.normal_(module.position_embedding.weight, std=1 / np.sqrt(width))
|
| 560 |
+
elif isinstance(module, nn.Embedding):
|
| 561 |
+
default_flax_embed_init(module.weight)
|
| 562 |
+
elif isinstance(module, Phi4MultimodalVisionAttention):
|
| 563 |
+
nn.init.normal_(module.q_proj.weight)
|
| 564 |
+
nn.init.normal_(module.k_proj.weight)
|
| 565 |
+
nn.init.normal_(module.v_proj.weight)
|
| 566 |
+
nn.init.normal_(module.out_proj.weight)
|
| 567 |
+
nn.init.zeros_(module.q_proj.bias)
|
| 568 |
+
nn.init.zeros_(module.k_proj.bias)
|
| 569 |
+
nn.init.zeros_(module.v_proj.bias)
|
| 570 |
+
nn.init.zeros_(module.out_proj.bias)
|
| 571 |
+
elif isinstance(module, Phi4MultimodalVisionMLP):
|
| 572 |
+
nn.init.normal_(module.fc1.weight)
|
| 573 |
+
nn.init.normal_(module.fc2.weight)
|
| 574 |
+
nn.init.normal_(module.fc1.bias, std=1e-6)
|
| 575 |
+
nn.init.normal_(module.fc2.bias, std=1e-6)
|
| 576 |
+
elif isinstance(module, Phi4MultimodalVisionMultiheadAttentionPoolingHead):
|
| 577 |
+
nn.init.normal_(module.probe.data)
|
| 578 |
+
nn.init.normal_(module.attention.in_proj_weight.data)
|
| 579 |
+
nn.init.zeros_(module.attention.in_proj_bias.data)
|
| 580 |
+
elif isinstance(module, (nn.Linear, nn.Conv2d)):
|
| 581 |
+
lecun_normal_(module.weight)
|
| 582 |
+
if module.bias is not None:
|
| 583 |
+
nn.init.zeros_(module.bias)
|
| 584 |
+
elif isinstance(module, nn.LayerNorm):
|
| 585 |
+
module.bias.data.zero_()
|
| 586 |
+
module.weight.data.fill_(1.0)
|
| 587 |
+
|
| 588 |
+
|
| 589 |
+
class Phi4MultimodalVisionEmbeddings(SiglipVisionEmbeddings, nn.Module):
|
| 590 |
+
def __init__(self, config: Phi4MultimodalVisionConfig):
|
| 591 |
+
nn.Module.__init__()
|
| 592 |
+
self.config = config
|
| 593 |
+
self.patch_size = config.patch_size
|
| 594 |
+
self.num_patches_per_side = config.image_size // self.patch_size
|
| 595 |
+
|
| 596 |
+
self.patch_embedding = nn.Conv2d(
|
| 597 |
+
in_channels=config.num_channels,
|
| 598 |
+
out_channels=config.hidden_size,
|
| 599 |
+
kernel_size=self.patch_size,
|
| 600 |
+
stride=self.patch_size,
|
| 601 |
+
padding="valid",
|
| 602 |
+
)
|
| 603 |
+
self.position_embedding = nn.Embedding(self.num_patches_per_side**2, config.hidden_size)
|
| 604 |
+
|
| 605 |
+
def forward(self, pixel_values: torch.FloatTensor, patch_attention_mask: torch.BoolTensor) -> torch.Tensor:
|
| 606 |
+
batch_size = pixel_values.size(0)
|
| 607 |
+
|
| 608 |
+
patch_embeds = self.patch_embedding(pixel_values)
|
| 609 |
+
embeddings = patch_embeds.flatten(2).transpose(1, 2)
|
| 610 |
+
|
| 611 |
+
max_im_h, max_im_w = pixel_values.size(2), pixel_values.size(3)
|
| 612 |
+
max_nb_patches_h, max_nb_patches_w = max_im_h // self.patch_size, max_im_w // self.patch_size
|
| 613 |
+
boundaries = torch.arange(1 / self.num_patches_per_side, 1.0, 1 / self.num_patches_per_side)
|
| 614 |
+
position_ids = torch.full((batch_size, max_nb_patches_h * max_nb_patches_w), fill_value=0)
|
| 615 |
+
|
| 616 |
+
for batch_idx, p_attn_mask in enumerate(patch_attention_mask):
|
| 617 |
+
nb_patches_h = p_attn_mask[:, 0].sum()
|
| 618 |
+
nb_patches_w = p_attn_mask[0].sum()
|
| 619 |
+
|
| 620 |
+
fractional_coords_h = torch.arange(0, 1 - 1e-6, 1 / nb_patches_h)
|
| 621 |
+
fractional_coords_w = torch.arange(0, 1 - 1e-6, 1 / nb_patches_w)
|
| 622 |
+
|
| 623 |
+
bucket_coords_h = torch.bucketize(fractional_coords_h, boundaries, right=True)
|
| 624 |
+
bucket_coords_w = torch.bucketize(fractional_coords_w, boundaries, right=True)
|
| 625 |
+
|
| 626 |
+
pos_ids = (bucket_coords_h[:, None] * self.num_patches_per_side + bucket_coords_w).flatten()
|
| 627 |
+
position_ids[batch_idx][p_attn_mask.view(-1).cpu()] = pos_ids
|
| 628 |
+
|
| 629 |
+
position_ids = position_ids.to(self.position_embedding.weight.device)
|
| 630 |
+
|
| 631 |
+
embeddings = embeddings + self.position_embedding(position_ids)
|
| 632 |
+
return embeddings
|
| 633 |
+
|
| 634 |
+
|
| 635 |
+
class Phi4MultimodalVisionMultiheadAttentionPoolingHead(SiglipMultiheadAttentionPoolingHead):
|
| 636 |
+
def __init__(self, config: Phi4MultimodalVisionConfig):
|
| 637 |
+
super().__init__(config)
|
| 638 |
+
self.mlp = Phi4MultimodalVisionMLP(config)
|
| 639 |
+
|
| 640 |
+
def forward(self, hidden_state, attention_mask):
|
| 641 |
+
batch_size = hidden_state.shape[0]
|
| 642 |
+
probe = self.probe.repeat(batch_size, 1, 1)
|
| 643 |
+
|
| 644 |
+
hidden_state = self.attention(
|
| 645 |
+
query=probe, key=hidden_state, value=hidden_state, key_padding_mask=~attention_mask
|
| 646 |
+
)[0]
|
| 647 |
+
|
| 648 |
+
residual = hidden_state
|
| 649 |
+
hidden_state = self.layernorm(hidden_state)
|
| 650 |
+
hidden_state = residual + self.mlp(hidden_state)
|
| 651 |
+
|
| 652 |
+
return hidden_state[:, 0]
|
| 653 |
+
|
| 654 |
+
|
| 655 |
+
class Phi4MultimodalVisionModel(Phi4MultimodalVisionPreTrainedModel):
|
| 656 |
+
config_class = Phi4MultimodalVisionConfig
|
| 657 |
+
main_input_name = "pixel_values"
|
| 658 |
+
|
| 659 |
+
def __init__(self, config: Phi4MultimodalVisionConfig):
|
| 660 |
+
super().__init__(config)
|
| 661 |
+
self.config = config
|
| 662 |
+
|
| 663 |
+
self.embeddings = Phi4MultimodalVisionEmbeddings(config)
|
| 664 |
+
self.encoder = Phi4MultimodalVisionEncoder(config)
|
| 665 |
+
self.post_layernorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps)
|
| 666 |
+
self.head = Phi4MultimodalVisionMultiheadAttentionPoolingHead(config)
|
| 667 |
+
|
| 668 |
+
# Initialize weights and apply final processing
|
| 669 |
+
self.post_init()
|
| 670 |
+
|
| 671 |
+
def get_input_embeddings(self) -> nn.Module:
|
| 672 |
+
return self.embeddings.patch_embedding
|
| 673 |
+
|
| 674 |
+
def forward(
|
| 675 |
+
self,
|
| 676 |
+
pixel_values,
|
| 677 |
+
patch_attention_mask: Optional[torch.BoolTensor] = None,
|
| 678 |
+
output_attentions: Optional[bool] = None,
|
| 679 |
+
output_hidden_states: Optional[bool] = None,
|
| 680 |
+
) -> BaseModelOutputWithPooling:
|
| 681 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
| 682 |
+
output_hidden_states = (
|
| 683 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
| 684 |
+
)
|
| 685 |
+
|
| 686 |
+
batch_size = pixel_values.size(0)
|
| 687 |
+
if patch_attention_mask is None:
|
| 688 |
+
patch_attention_mask = torch.ones(
|
| 689 |
+
size=(
|
| 690 |
+
batch_size,
|
| 691 |
+
pixel_values.size(2) // self.config.patch_size,
|
| 692 |
+
pixel_values.size(3) // self.config.patch_size,
|
| 693 |
+
),
|
| 694 |
+
dtype=torch.bool,
|
| 695 |
+
device=pixel_values.device,
|
| 696 |
+
)
|
| 697 |
+
|
| 698 |
+
hidden_states = self.embeddings(pixel_values=pixel_values, patch_attention_mask=patch_attention_mask)
|
| 699 |
+
|
| 700 |
+
patch_attention_mask = patch_attention_mask.view(batch_size, -1)
|
| 701 |
+
# The call to `_upad_input` in `_flash_attention_forward` is expensive
|
| 702 |
+
# So when the `patch_attention_mask` is full of 1s (i.e. attending to the whole sequence),
|
| 703 |
+
# avoiding passing the attention_mask, which is equivalent to attending to the full sequence
|
| 704 |
+
if not torch.any(~patch_attention_mask):
|
| 705 |
+
attention_mask = None
|
| 706 |
+
else:
|
| 707 |
+
attention_mask = (
|
| 708 |
+
_prepare_4d_attention_mask(patch_attention_mask, hidden_states.dtype)
|
| 709 |
+
if not self.config._attn_implementation == "flash_attention_2"
|
| 710 |
+
else patch_attention_mask
|
| 711 |
+
)
|
| 712 |
+
|
| 713 |
+
encoder_outputs: BaseModelOutput = self.encoder(
|
| 714 |
+
inputs_embeds=hidden_states,
|
| 715 |
+
attention_mask=attention_mask,
|
| 716 |
+
output_attentions=output_attentions,
|
| 717 |
+
output_hidden_states=output_hidden_states,
|
| 718 |
+
)
|
| 719 |
+
|
| 720 |
+
last_hidden_state = encoder_outputs.last_hidden_state
|
| 721 |
+
last_hidden_state = self.post_layernorm(last_hidden_state)
|
| 722 |
+
|
| 723 |
+
pooled_output = self.head(
|
| 724 |
+
hidden_state=last_hidden_state,
|
| 725 |
+
attention_mask=patch_attention_mask,
|
| 726 |
+
)
|
| 727 |
+
|
| 728 |
+
return BaseModelOutputWithPooling(
|
| 729 |
+
last_hidden_state=last_hidden_state,
|
| 730 |
+
pooler_output=pooled_output,
|
| 731 |
+
hidden_states=encoder_outputs.hidden_states,
|
| 732 |
+
attentions=encoder_outputs.attentions,
|
| 733 |
+
)
|
| 734 |
+
|
| 735 |
+
|
| 736 |
+
class Phi4MultimodalImageEmbedding(nn.Module):
|
| 737 |
+
"""Image embedding."""
|
| 738 |
+
|
| 739 |
+
def __init__(self, config: Phi4MultimodalConfig):
|
| 740 |
+
super().__init__()
|
| 741 |
+
self.config = config
|
| 742 |
+
self.layer_idx = config.vision_config.feature_layer
|
| 743 |
+
self.crop_size = config.vision_config.crop_size
|
| 744 |
+
self.image_dim_out = config.vision_config.hidden_size
|
| 745 |
+
|
| 746 |
+
n_patches = config.vision_config.image_size // config.vision_config.patch_size
|
| 747 |
+
if n_patches % 2 != 0:
|
| 748 |
+
self.img_processor_padding = nn.ReflectionPad2d((0, 1, 0, 1))
|
| 749 |
+
n_patches += 1
|
| 750 |
+
self.num_img_tokens = (n_patches // 2) ** 2
|
| 751 |
+
|
| 752 |
+
self.drop = nn.Dropout(config.embd_pdrop)
|
| 753 |
+
self.img_processor = Phi4MultimodalVisionModel._from_config(config.vision_config)
|
| 754 |
+
self.image_token_compression = nn.AvgPool2d(kernel_size=2, stride=2)
|
| 755 |
+
self.img_projection_up = nn.Linear(self.image_dim_out, config.hidden_size)
|
| 756 |
+
self.img_projection_down = nn.Linear(config.hidden_size, config.hidden_size)
|
| 757 |
+
self.global_img_feature_extensor = nn.Parameter(torch.zeros([1, 1, self.image_dim_out]))
|
| 758 |
+
self.sub_img_feature_extensor = nn.Parameter(torch.zeros([1, 1, 1, self.image_dim_out]))
|
| 759 |
+
|
| 760 |
+
def get_img_features(self, img_embeds: torch.FloatTensor, attention_mask=None) -> torch.FloatTensor:
|
| 761 |
+
img_processor_output = self.img_processor(
|
| 762 |
+
img_embeds, patch_attention_mask=attention_mask, output_hidden_states=True
|
| 763 |
+
)
|
| 764 |
+
img_feature = img_processor_output.hidden_states[self.layer_idx]
|
| 765 |
+
|
| 766 |
+
patch_feature = img_feature
|
| 767 |
+
# reshape to 2D tensor
|
| 768 |
+
width = int(math.sqrt(patch_feature.size(1)))
|
| 769 |
+
patch_feature = patch_feature.view(-1, width, width, patch_feature.size(-1))
|
| 770 |
+
# convert to NCHW
|
| 771 |
+
patch_feature = patch_feature.permute(0, 3, 1, 2)
|
| 772 |
+
if getattr(self, "img_processor_padding", None) is not None:
|
| 773 |
+
patch_feature = self.img_processor_padding(patch_feature)
|
| 774 |
+
patch_feature = self.image_token_compression(patch_feature)
|
| 775 |
+
# convert to NHWC
|
| 776 |
+
patch_feature = patch_feature.permute(0, 2, 3, 1)
|
| 777 |
+
patch_feature = patch_feature.view(-1, patch_feature.size(1) * patch_feature.size(2), patch_feature.size(-1))
|
| 778 |
+
return patch_feature
|
| 779 |
+
|
| 780 |
+
def forward(
|
| 781 |
+
self,
|
| 782 |
+
input_ids: torch.LongTensor,
|
| 783 |
+
inputs_embeds: torch.Tensor,
|
| 784 |
+
image_pixel_values: torch.FloatTensor,
|
| 785 |
+
image_sizes: Optional[torch.Tensor] = None,
|
| 786 |
+
image_attention_mask: Optional[torch.Tensor] = None,
|
| 787 |
+
) -> torch.FloatTensor:
|
| 788 |
+
image_pixel_values = image_pixel_values.to(self.img_processor.embeddings.patch_embedding.weight.dtype)
|
| 789 |
+
|
| 790 |
+
target_device = self.img_projection_up.bias.device
|
| 791 |
+
target_dtype = self.img_projection_up.bias.dtype
|
| 792 |
+
|
| 793 |
+
batch_size = image_pixel_values.shape[0]
|
| 794 |
+
|
| 795 |
+
img_features = self.get_img_features(
|
| 796 |
+
image_pixel_values.flatten(0, 1),
|
| 797 |
+
attention_mask=image_attention_mask.flatten(0, 1).to(dtype=bool, device=target_device),
|
| 798 |
+
)
|
| 799 |
+
base_feat_size = int(np.sqrt(img_features.shape[1]))
|
| 800 |
+
img_features = img_features.view(batch_size, -1, base_feat_size**2, self.image_dim_out)
|
| 801 |
+
image_sizes = image_sizes.view(-1, 2)
|
| 802 |
+
|
| 803 |
+
output_imgs = []
|
| 804 |
+
for idx in range(batch_size):
|
| 805 |
+
height, width = image_sizes[idx]
|
| 806 |
+
height_ratio = height // self.crop_size
|
| 807 |
+
width_ratio = width // self.crop_size
|
| 808 |
+
area_ratio = height_ratio * width_ratio
|
| 809 |
+
|
| 810 |
+
global_img = img_features[idx, :1]
|
| 811 |
+
global_img = global_img.reshape(1, base_feat_size, base_feat_size, self.image_dim_out).contiguous()
|
| 812 |
+
temporary_extensor = self.sub_img_feature_extensor.repeat(1, base_feat_size, 1, 1)
|
| 813 |
+
global_img = torch.cat([global_img, temporary_extensor], dim=2).reshape(1, -1, self.image_dim_out)
|
| 814 |
+
|
| 815 |
+
sub_img = img_features[idx, 1:]
|
| 816 |
+
sub_img = sub_img[:area_ratio]
|
| 817 |
+
sub_img = (
|
| 818 |
+
sub_img.reshape(height_ratio, width_ratio, base_feat_size, base_feat_size, self.image_dim_out)
|
| 819 |
+
.transpose(1, 2)
|
| 820 |
+
.reshape(1, height_ratio * base_feat_size, width_ratio * base_feat_size, self.image_dim_out)
|
| 821 |
+
.contiguous()
|
| 822 |
+
)
|
| 823 |
+
|
| 824 |
+
if image_attention_mask is not None:
|
| 825 |
+
reshaped_image_attention_mask = (
|
| 826 |
+
image_attention_mask[idx, 1 : area_ratio + 1, 0::2, 0::2]
|
| 827 |
+
.reshape(height_ratio, width_ratio, base_feat_size, base_feat_size)
|
| 828 |
+
.transpose(1, 2)
|
| 829 |
+
.reshape(1, height_ratio * base_feat_size, width_ratio * base_feat_size)
|
| 830 |
+
)
|
| 831 |
+
useful_height = int(reshaped_image_attention_mask[0, :, 0].sum().item())
|
| 832 |
+
useful_width = int(reshaped_image_attention_mask[0, 0, :].sum().item())
|
| 833 |
+
sub_img = sub_img[:, :useful_height, :useful_width]
|
| 834 |
+
temporary_extensor = self.sub_img_feature_extensor.repeat(1, useful_height, 1, 1)
|
| 835 |
+
else:
|
| 836 |
+
temporary_extensor = self.sub_img_feature_extensor.repeat(1, height_ratio * base_feat_size, 1, 1)
|
| 837 |
+
|
| 838 |
+
sub_img = torch.cat([sub_img, temporary_extensor], dim=2).reshape(1, -1, self.image_dim_out)
|
| 839 |
+
|
| 840 |
+
# Merge global and sub
|
| 841 |
+
output_imgs.append(torch.cat([sub_img, self.global_img_feature_extensor, global_img], dim=1))
|
| 842 |
+
|
| 843 |
+
img_set_tensor = []
|
| 844 |
+
for output_img in output_imgs:
|
| 845 |
+
output_img = output_img.to(device=target_device, dtype=target_dtype)
|
| 846 |
+
img_feature_proj = self.img_projection_up(output_img)
|
| 847 |
+
img_feature_proj = nn.functional.gelu(img_feature_proj)
|
| 848 |
+
img_feature_proj = self.img_projection_down(img_feature_proj)
|
| 849 |
+
img_set_tensor.append(img_feature_proj)
|
| 850 |
+
|
| 851 |
+
merged_img_set_tensor = torch.cat(img_set_tensor, dim=1).squeeze(0)
|
| 852 |
+
merged_img_set_tensor = merged_img_set_tensor.to(dtype=inputs_embeds.dtype, device=inputs_embeds.device)
|
| 853 |
+
|
| 854 |
+
with torch.no_grad():
|
| 855 |
+
positions_tuple = torch.nonzero(input_ids == self.config.vision_config.image_token_id, as_tuple=True)
|
| 856 |
+
|
| 857 |
+
# Temporarily disable autocast to avoid issue on bf16 tensors
|
| 858 |
+
# Ref: https://github.com/pytorch/pytorch/issues/132715
|
| 859 |
+
with torch.autocast(device_type=inputs_embeds.device.type, enabled=False):
|
| 860 |
+
image_embeds = inputs_embeds.index_put(
|
| 861 |
+
indices=positions_tuple, values=merged_img_set_tensor, accumulate=False
|
| 862 |
+
)
|
| 863 |
+
|
| 864 |
+
image_embeds = self.drop(image_embeds)
|
| 865 |
+
|
| 866 |
+
return image_embeds
|
| 867 |
+
|
| 868 |
+
|
| 869 |
+
########################################################## AUDIO #############################################
|
| 870 |
+
|
| 871 |
+
|
| 872 |
+
class Phi4MultimodalAudioMLP(nn.Module):
|
| 873 |
+
def __init__(self, config: Phi4MultimodalAudioConfig):
|
| 874 |
+
super().__init__()
|
| 875 |
+
self.layer_norm = nn.LayerNorm(config.hidden_size)
|
| 876 |
+
self.act_fn = ACT2FN[config.activation]
|
| 877 |
+
self.gate_up_proj = nn.Linear(config.hidden_size, config.intermediate_size * 2)
|
| 878 |
+
self.down_proj = nn.Linear(config.intermediate_size, config.hidden_size)
|
| 879 |
+
self.dropout = nn.Dropout(config.dropout_rate)
|
| 880 |
+
|
| 881 |
+
def forward(self, hidden_states):
|
| 882 |
+
hidden_states = self.layer_norm(hidden_states)
|
| 883 |
+
up_states = self.gate_up_proj(hidden_states)
|
| 884 |
+
up_states, gate = up_states.chunk(2, dim=-1)
|
| 885 |
+
up_states = up_states * self.act_fn(gate)
|
| 886 |
+
up_states = self.dropout(up_states)
|
| 887 |
+
hidden_states = self.down_proj(up_states)
|
| 888 |
+
out = self.dropout(hidden_states)
|
| 889 |
+
|
| 890 |
+
return out
|
| 891 |
+
|
| 892 |
+
|
| 893 |
+
class Phi4MultimodalAudioAttention(nn.Module):
|
| 894 |
+
def __init__(self, config: Phi4MultimodalAudioConfig):
|
| 895 |
+
super().__init__()
|
| 896 |
+
self.config = config
|
| 897 |
+
self.head_dim = getattr(config, "head_dim", config.hidden_size // config.num_attention_heads)
|
| 898 |
+
self.scaling = self.head_dim**-0.5
|
| 899 |
+
self.attention_dropout = config.dropout_rate
|
| 900 |
+
self.is_causal = True
|
| 901 |
+
|
| 902 |
+
self.q_proj = nn.Linear(config.hidden_size, config.num_attention_heads * self.head_dim, bias=True)
|
| 903 |
+
self.k_proj = nn.Linear(config.hidden_size, config.num_attention_heads * self.head_dim, bias=True)
|
| 904 |
+
self.v_proj = nn.Linear(config.hidden_size, config.num_attention_heads * self.head_dim, bias=True)
|
| 905 |
+
self.o_proj = nn.Linear(config.num_attention_heads * self.head_dim, config.hidden_size, bias=True)
|
| 906 |
+
|
| 907 |
+
def forward(
|
| 908 |
+
self,
|
| 909 |
+
hidden_states: torch.Tensor,
|
| 910 |
+
attention_mask: torch.Tensor,
|
| 911 |
+
**kwargs,
|
| 912 |
+
):
|
| 913 |
+
input_shape = hidden_states.shape[:-1]
|
| 914 |
+
hidden_shape = (*input_shape, -1, self.head_dim)
|
| 915 |
+
|
| 916 |
+
query_states = self.q_proj(hidden_states).view(hidden_shape).transpose(1, 2)
|
| 917 |
+
key_states = self.k_proj(hidden_states).view(hidden_shape).transpose(1, 2)
|
| 918 |
+
value_states = self.v_proj(hidden_states).view(hidden_shape).transpose(1, 2)
|
| 919 |
+
|
| 920 |
+
attention_interface: Callable = simple_eager_attention_forward
|
| 921 |
+
if self.config._attn_implementation != "eager":
|
| 922 |
+
attention_interface = ALL_ATTENTION_FUNCTIONS[self.config._attn_implementation]
|
| 923 |
+
|
| 924 |
+
attn_output, _ = attention_interface(
|
| 925 |
+
self,
|
| 926 |
+
query_states,
|
| 927 |
+
key_states,
|
| 928 |
+
value_states,
|
| 929 |
+
attention_mask,
|
| 930 |
+
dropout=0.0 if not self.training else self.attention_dropout,
|
| 931 |
+
scaling=self.scaling,
|
| 932 |
+
**kwargs,
|
| 933 |
+
)
|
| 934 |
+
|
| 935 |
+
attn_output = attn_output.reshape(*input_shape, -1).contiguous()
|
| 936 |
+
attn_output = self.o_proj(attn_output)
|
| 937 |
+
return attn_output
|
| 938 |
+
|
| 939 |
+
|
| 940 |
+
class Phi4MultimodalAudioDepthWiseSeperableConv1d(nn.Module):
|
| 941 |
+
def __init__(self, config: Phi4MultimodalAudioConfig, padding: int = 0):
|
| 942 |
+
super().__init__()
|
| 943 |
+
self.dw_conv = nn.Conv1d(
|
| 944 |
+
config.hidden_size,
|
| 945 |
+
config.hidden_size * config.depthwise_multiplier,
|
| 946 |
+
config.kernel_size,
|
| 947 |
+
1,
|
| 948 |
+
padding=padding,
|
| 949 |
+
groups=config.hidden_size,
|
| 950 |
+
)
|
| 951 |
+
self.pw_conv = nn.Conv1d(
|
| 952 |
+
config.hidden_size * config.depthwise_multiplier, config.depthwise_seperable_out_channel, 1, 1, 0
|
| 953 |
+
)
|
| 954 |
+
|
| 955 |
+
def forward(self, hidden_states):
|
| 956 |
+
return self.pw_conv(self.dw_conv(hidden_states))
|
| 957 |
+
|
| 958 |
+
|
| 959 |
+
class Phi4MultimodalAudioGluPointWiseConv(nn.Module):
|
| 960 |
+
def __init__(self, config: Phi4MultimodalAudioConfig):
|
| 961 |
+
super().__init__()
|
| 962 |
+
self.config = config
|
| 963 |
+
self.output_dim = config.ext_pw_out_channel
|
| 964 |
+
|
| 965 |
+
self.ext_pw_conv_1d = nn.Conv1d(config.hidden_size, config.ext_pw_out_channel * 2, kernel_size=1, stride=1)
|
| 966 |
+
self.glu_act = ACT2FN[config.conv_glu_type]
|
| 967 |
+
self.b1 = nn.Parameter(torch.zeros(1, config.ext_pw_out_channel, 1))
|
| 968 |
+
self.b2 = nn.Parameter(torch.zeros(1, config.ext_pw_out_channel, 1))
|
| 969 |
+
|
| 970 |
+
def forward(self, hidden_states):
|
| 971 |
+
# we assume the input always has the #channel (#dim) in the last dimension of the
|
| 972 |
+
# tensor, so need to switch the dimension first for 1D-Conv case
|
| 973 |
+
hidden_states = hidden_states.permute([0, 2, 1])
|
| 974 |
+
hidden_states = self.ext_pw_conv_1d(hidden_states)
|
| 975 |
+
out = hidden_states[:, 0 : self.output_dim, :] + self.b1
|
| 976 |
+
out = out * self.glu_act(hidden_states[:, self.output_dim : self.output_dim * 2, :] + self.b2)
|
| 977 |
+
return out.permute([0, 2, 1])
|
| 978 |
+
|
| 979 |
+
|
| 980 |
+
class Phi4MultimodalAudioConvModule(nn.Module):
|
| 981 |
+
def __init__(self, config: Phi4MultimodalAudioConfig):
|
| 982 |
+
super().__init__()
|
| 983 |
+
self.config = config
|
| 984 |
+
self.kernel_size = config.kernel_size
|
| 985 |
+
|
| 986 |
+
self.layer_norm = nn.LayerNorm(config.hidden_size)
|
| 987 |
+
self.glu = Phi4MultimodalAudioGluPointWiseConv(config)
|
| 988 |
+
self.dw_sep_conv_1d = Phi4MultimodalAudioDepthWiseSeperableConv1d(config, padding=config.kernel_size - 1)
|
| 989 |
+
self.act = ACT2FN[config.conv_activation]
|
| 990 |
+
self.ext_pw_conv_1d = nn.Conv1d(config.hidden_size, config.ext_pw_out_channel, kernel_size=1, stride=1)
|
| 991 |
+
self.dropout = nn.Dropout(config.dropout_rate)
|
| 992 |
+
|
| 993 |
+
def forward(self, hidden_states: torch.Tensor):
|
| 994 |
+
hidden_states = self.glu(self.layer_norm(hidden_states))
|
| 995 |
+
hidden_states = self.dw_sep_conv_1d(hidden_states.permute([0, 2, 1]))
|
| 996 |
+
|
| 997 |
+
if self.kernel_size > 1:
|
| 998 |
+
hidden_states = hidden_states[:, :, : -(self.kernel_size - 1)]
|
| 999 |
+
|
| 1000 |
+
hidden_states = self.act(hidden_states)
|
| 1001 |
+
hidden_states = self.ext_pw_conv_1d(hidden_states)
|
| 1002 |
+
out = self.dropout(hidden_states.permute([0, 2, 1]))
|
| 1003 |
+
return out
|
| 1004 |
+
|
| 1005 |
+
|
| 1006 |
+
class Phi4MultimodalAudioConformerEncoderLayer(nn.Module):
|
| 1007 |
+
def __init__(self, config: Phi4MultimodalAudioConfig):
|
| 1008 |
+
super().__init__()
|
| 1009 |
+
|
| 1010 |
+
self.feed_forward_in = Phi4MultimodalAudioMLP(config)
|
| 1011 |
+
self.self_attn = Phi4MultimodalAudioAttention(config)
|
| 1012 |
+
self.conv = Phi4MultimodalAudioConvModule(config)
|
| 1013 |
+
self.feed_forward_out = Phi4MultimodalAudioMLP(config)
|
| 1014 |
+
self.layer_norm_att = nn.LayerNorm(config.hidden_size)
|
| 1015 |
+
self.layer_norm = nn.LayerNorm(config.hidden_size)
|
| 1016 |
+
|
| 1017 |
+
def forward(
|
| 1018 |
+
self,
|
| 1019 |
+
hidden_states: torch.Tensor,
|
| 1020 |
+
attention_mask: torch.Tensor,
|
| 1021 |
+
):
|
| 1022 |
+
residual = hidden_states + 0.5 * self.feed_forward_in(hidden_states)
|
| 1023 |
+
hidden_states = self.layer_norm_att(residual)
|
| 1024 |
+
|
| 1025 |
+
hidden_states = residual + self.self_attn(hidden_states, attention_mask)
|
| 1026 |
+
hidden_states = hidden_states + self.conv(hidden_states)
|
| 1027 |
+
hidden_states = hidden_states + 0.5 * self.feed_forward_out(hidden_states)
|
| 1028 |
+
|
| 1029 |
+
out = self.layer_norm(hidden_states)
|
| 1030 |
+
|
| 1031 |
+
return out
|
| 1032 |
+
|
| 1033 |
+
|
| 1034 |
+
class Phi4MultimodalAudioNemoConvSubsampling(torch.nn.Module):
|
| 1035 |
+
def __init__(self, config: Phi4MultimodalAudioConfig):
|
| 1036 |
+
super().__init__()
|
| 1037 |
+
self.subsampling_factor = config.time_reduction
|
| 1038 |
+
self.sampling_num = int(math.log(self.subsampling_factor, 2))
|
| 1039 |
+
self.act_fn = ACT2FN[config.nemo_activation]
|
| 1040 |
+
conv_channels = config.nemo_conv_channels
|
| 1041 |
+
|
| 1042 |
+
layers = [
|
| 1043 |
+
nn.Conv2d(1, conv_channels, kernel_size=3, stride=2, padding=1),
|
| 1044 |
+
self.act_fn,
|
| 1045 |
+
]
|
| 1046 |
+
for _ in range(self.sampling_num - 1):
|
| 1047 |
+
layers.extend(
|
| 1048 |
+
[
|
| 1049 |
+
nn.Conv2d(conv_channels, conv_channels, kernel_size=3, stride=2, padding=1, groups=conv_channels),
|
| 1050 |
+
nn.Conv2d(conv_channels, conv_channels, kernel_size=1, stride=1, padding=0, groups=1),
|
| 1051 |
+
self.act_fn,
|
| 1052 |
+
]
|
| 1053 |
+
)
|
| 1054 |
+
|
| 1055 |
+
# Aggregate the layers
|
| 1056 |
+
self.conv = torch.nn.Sequential(*layers)
|
| 1057 |
+
self.out = torch.nn.Linear(conv_channels * config.nemo_final_size, config.hidden_size)
|
| 1058 |
+
|
| 1059 |
+
def forward(self, hidden_states: torch.Tensor, mask: Optional[torch.Tensor]):
|
| 1060 |
+
# Unsqueeze Channel Axis
|
| 1061 |
+
hidden_states = hidden_states.unsqueeze(1)
|
| 1062 |
+
hidden_states = self.conv(hidden_states)
|
| 1063 |
+
|
| 1064 |
+
# Flatten Channel and Frequency Axes
|
| 1065 |
+
b, _, t, _ = hidden_states.size()
|
| 1066 |
+
hidden_states = self.out(hidden_states.transpose(1, 2).reshape(b, t, -1))
|
| 1067 |
+
|
| 1068 |
+
if mask is None:
|
| 1069 |
+
return hidden_states, None
|
| 1070 |
+
|
| 1071 |
+
max_audio_length = hidden_states.shape[1]
|
| 1072 |
+
feature_lens = mask.sum(1)
|
| 1073 |
+
padding_length = torch.ceil(feature_lens / self.subsampling_factor)
|
| 1074 |
+
arange_ = torch.arange(0, max_audio_length, device=hidden_states.device)
|
| 1075 |
+
pad_mask = arange_.expand(padding_length.size(0), -1) < padding_length.unsqueeze(1)
|
| 1076 |
+
return hidden_states, pad_mask.unsqueeze(1)
|
| 1077 |
+
|
| 1078 |
+
|
| 1079 |
+
class Phi4MultimodalAudioRelativeAttentionBias(nn.Module):
|
| 1080 |
+
def __init__(self, config: Phi4MultimodalAudioConfig):
|
| 1081 |
+
super().__init__()
|
| 1082 |
+
|
| 1083 |
+
self.max_distance = config.bias_max_distance
|
| 1084 |
+
self.symmetric = config.bias_symmetric
|
| 1085 |
+
self.num_buckets = self.max_distance
|
| 1086 |
+
if not config.bias_symmetric:
|
| 1087 |
+
self.num_buckets *= 2
|
| 1088 |
+
self.bias_values = nn.Embedding(self.num_buckets, config.num_attention_heads)
|
| 1089 |
+
|
| 1090 |
+
def forward(self, x):
|
| 1091 |
+
# instantiate bias compatible with shape of x
|
| 1092 |
+
max_pos = x.size(1)
|
| 1093 |
+
context_position = torch.arange(max_pos, device=x.device, dtype=torch.long)[:, None]
|
| 1094 |
+
memory_position = torch.arange(max_pos, device=x.device, dtype=torch.long)[None, :]
|
| 1095 |
+
relative_position = memory_position - context_position
|
| 1096 |
+
# clipping to a maximum distance using ops that play well with ONNX export
|
| 1097 |
+
relative_position = relative_position.masked_fill(relative_position < -self.max_distance, -self.max_distance)
|
| 1098 |
+
relative_position = relative_position.masked_fill(
|
| 1099 |
+
relative_position > self.max_distance - 1, self.max_distance - 1
|
| 1100 |
+
)
|
| 1101 |
+
|
| 1102 |
+
# mapping from relative position to index in the bias parameter
|
| 1103 |
+
bias_idx = relative_position
|
| 1104 |
+
bias_idx = bias_idx.abs() if self.symmetric else bias_idx + self.num_buckets // 2
|
| 1105 |
+
|
| 1106 |
+
att_bias = self.bias_values(bias_idx)
|
| 1107 |
+
att_bias = att_bias.permute(2, 0, 1).unsqueeze(0)
|
| 1108 |
+
|
| 1109 |
+
return att_bias
|
| 1110 |
+
|
| 1111 |
+
|
| 1112 |
+
class Phi4MultimodalAudioMeanVarianceNormLayer(nn.Module):
|
| 1113 |
+
def __init__(self, config: Phi4MultimodalAudioConfig):
|
| 1114 |
+
super().__init__()
|
| 1115 |
+
self.register_buffer("global_mean", torch.zeros(config.input_size))
|
| 1116 |
+
self.register_buffer("global_invstd", torch.ones(config.input_size))
|
| 1117 |
+
|
| 1118 |
+
def forward(self, x):
|
| 1119 |
+
return (x - self.global_mean) * self.global_invstd
|
| 1120 |
+
|
| 1121 |
+
|
| 1122 |
+
class Phi4MultimodalAudioPreTrainedModel(PreTrainedModel):
|
| 1123 |
+
config_class = Phi4MultimodalAudioConfig
|
| 1124 |
+
supports_gradient_checkpointing = True
|
| 1125 |
+
_no_split_modules = ["Phi4MultimodalAudioConformerEncoderLayer"]
|
| 1126 |
+
_supports_flash_attn_2 = True
|
| 1127 |
+
_supports_sdpa = True
|
| 1128 |
+
_supports_flex_attn = True
|
| 1129 |
+
|
| 1130 |
+
def _init_weights(self, module):
|
| 1131 |
+
std = self.config.initializer_range
|
| 1132 |
+
if isinstance(module, (nn.Linear, nn.Conv1d, nn.Conv2d)):
|
| 1133 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
| 1134 |
+
if module.bias is not None:
|
| 1135 |
+
module.bias.data.zero_()
|
| 1136 |
+
elif isinstance(module, nn.Embedding):
|
| 1137 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
| 1138 |
+
if module.padding_idx is not None:
|
| 1139 |
+
module.weight.data[module.padding_idx].zero_()
|
| 1140 |
+
elif isinstance(module, nn.LayerNorm):
|
| 1141 |
+
module.bias.data.zero_()
|
| 1142 |
+
module.weight.data.fill_(1.0)
|
| 1143 |
+
elif isinstance(module, Phi4MultimodalAudioGluPointWiseConv):
|
| 1144 |
+
module.b1.data.zero_()
|
| 1145 |
+
module.b2.data.zero_()
|
| 1146 |
+
|
| 1147 |
+
|
| 1148 |
+
class Phi4MultimodalAudioModel(Phi4MultimodalAudioPreTrainedModel):
|
| 1149 |
+
def __init__(self, config: Phi4MultimodalAudioConfig):
|
| 1150 |
+
super().__init__(config)
|
| 1151 |
+
self.config = config
|
| 1152 |
+
|
| 1153 |
+
self.encoder_embedding = Phi4MultimodalAudioMeanVarianceNormLayer(config)
|
| 1154 |
+
self.embed = Phi4MultimodalAudioNemoConvSubsampling(config)
|
| 1155 |
+
self.relative_attention_bias_layer = Phi4MultimodalAudioRelativeAttentionBias(config)
|
| 1156 |
+
self.encoders = nn.ModuleList(
|
| 1157 |
+
[Phi4MultimodalAudioConformerEncoderLayer(config) for _ in range(config.num_blocks)]
|
| 1158 |
+
)
|
| 1159 |
+
self.gradient_checkpointing = False
|
| 1160 |
+
|
| 1161 |
+
# Initialize weights and apply final processing
|
| 1162 |
+
self.post_init()
|
| 1163 |
+
|
| 1164 |
+
def _streaming_mask(self, seq_len, batch_size, chunk_size, left_chunk):
|
| 1165 |
+
# Create mask matrix for streaming
|
| 1166 |
+
# S stores start index. if chunksize is 18, s is [0,18,36,....]
|
| 1167 |
+
chunk_start_idx = np.arange(0, seq_len, chunk_size)
|
| 1168 |
+
# avoid randomness when run evaluation or decoding
|
| 1169 |
+
if self.training and np.random.rand() > 0.5:
|
| 1170 |
+
# Either first or last chunk is not complete.
|
| 1171 |
+
# If only the last one is not complete, EOS is not effective
|
| 1172 |
+
chunk_start_idx = seq_len - chunk_start_idx
|
| 1173 |
+
chunk_start_idx = chunk_start_idx[::-1]
|
| 1174 |
+
chunk_start_idx = chunk_start_idx[:-1]
|
| 1175 |
+
chunk_start_idx = np.insert(chunk_start_idx, 0, 0)
|
| 1176 |
+
|
| 1177 |
+
enc_streaming_mask = (
|
| 1178 |
+
adaptive_enc_mask(seq_len, chunk_start_idx, left_window=left_chunk)
|
| 1179 |
+
.unsqueeze(0)
|
| 1180 |
+
.expand([batch_size, -1, -1])
|
| 1181 |
+
)
|
| 1182 |
+
return enc_streaming_mask
|
| 1183 |
+
|
| 1184 |
+
def forward_embeddings(self, hidden_states, masks):
|
| 1185 |
+
"""Forwarding the inputs through the top embedding layers"""
|
| 1186 |
+
seq_len = math.ceil(hidden_states.shape[1] / self.config.time_reduction)
|
| 1187 |
+
if seq_len <= 0:
|
| 1188 |
+
raise ValueError(
|
| 1189 |
+
f"The squence length after time reduction is invalid: {seq_len}. Your input feature is too short."
|
| 1190 |
+
)
|
| 1191 |
+
|
| 1192 |
+
batch_size = hidden_states.shape[0]
|
| 1193 |
+
|
| 1194 |
+
enc_streaming_mask = self._streaming_mask(seq_len, batch_size, self.config.chunk_size, self.config.left_chunk)
|
| 1195 |
+
enc_streaming_mask = enc_streaming_mask.to(hidden_states.device)
|
| 1196 |
+
|
| 1197 |
+
hidden_states, masks = self.embed(hidden_states, masks)
|
| 1198 |
+
|
| 1199 |
+
streaming_mask = enc_streaming_mask
|
| 1200 |
+
if streaming_mask is not None and masks is not None:
|
| 1201 |
+
hs_mask = masks & streaming_mask
|
| 1202 |
+
elif masks is not None:
|
| 1203 |
+
hs_mask = masks
|
| 1204 |
+
else:
|
| 1205 |
+
hs_mask = streaming_mask
|
| 1206 |
+
|
| 1207 |
+
return hidden_states, hs_mask, masks
|
| 1208 |
+
|
| 1209 |
+
def calculate_hs_mask(self, hidden_states, device, mask):
|
| 1210 |
+
max_audio_length = hidden_states.shape[1]
|
| 1211 |
+
batch_size = hidden_states.shape[0]
|
| 1212 |
+
enc_streaming_mask = self._streaming_mask(
|
| 1213 |
+
max_audio_length, batch_size, self.config.chunk_size, self.config.left_chunk
|
| 1214 |
+
)
|
| 1215 |
+
enc_streaming_mask = enc_streaming_mask.to(device)
|
| 1216 |
+
if mask is None:
|
| 1217 |
+
return enc_streaming_mask
|
| 1218 |
+
|
| 1219 |
+
feature_lens = mask.sum(1)
|
| 1220 |
+
padding_length = feature_lens
|
| 1221 |
+
pad_mask = torch.arange(0, max_audio_length, device=device).expand(
|
| 1222 |
+
padding_length.size(0), -1
|
| 1223 |
+
) < padding_length.unsqueeze(1)
|
| 1224 |
+
pad_mask = pad_mask.unsqueeze(1)
|
| 1225 |
+
pad_mask = pad_mask & enc_streaming_mask
|
| 1226 |
+
return pad_mask
|
| 1227 |
+
|
| 1228 |
+
def forward(self, hidden_states: torch.Tensor, mask: Optional[torch.Tensor]):
|
| 1229 |
+
hidden_states = self.encoder_embedding(hidden_states)
|
| 1230 |
+
hidden_states, hs_mask, mask = self.forward_embeddings(hidden_states, mask)
|
| 1231 |
+
|
| 1232 |
+
unfolded = False
|
| 1233 |
+
bs, seq_len, _ = hidden_states.shape
|
| 1234 |
+
max_seq_len = 500 # maxium position for absolute positional encoding
|
| 1235 |
+
if seq_len > max_seq_len:
|
| 1236 |
+
# audio sequence is longer than max_seq_len, unfold it into chunks of max_seq_len
|
| 1237 |
+
unfolded = True
|
| 1238 |
+
# the unfold op will drop residual frames, pad it to the multiple of max_seq_len
|
| 1239 |
+
if seq_len % max_seq_len > 0:
|
| 1240 |
+
chunk_pad_size = max_seq_len - (seq_len % max_seq_len)
|
| 1241 |
+
else:
|
| 1242 |
+
chunk_pad_size = 0
|
| 1243 |
+
if chunk_pad_size > 0:
|
| 1244 |
+
hidden_states_pad = F.pad(hidden_states, (0, 0, 0, chunk_pad_size), "constant", 0)
|
| 1245 |
+
hidden_states = hidden_states_pad.to(hidden_states.device)
|
| 1246 |
+
|
| 1247 |
+
hidden_states = unfold_tensor(hidden_states, max_seq_len)
|
| 1248 |
+
masks_unfold = None
|
| 1249 |
+
if mask is not None:
|
| 1250 |
+
# revise hs_mask here because the previous calculated hs_mask did not consider extra pad
|
| 1251 |
+
subsampled_pad_mask = mask.squeeze(1) # [bz, subsampled_unmask_seq_len]
|
| 1252 |
+
extra_padded_subsamlped_pad_mask = F.pad(
|
| 1253 |
+
subsampled_pad_mask, (0, chunk_pad_size), "constant", False
|
| 1254 |
+
) # extra padding to the pad mask
|
| 1255 |
+
extra_padded_subsamlped_pad_mask = extra_padded_subsamlped_pad_mask.unsqueeze(-1).float()
|
| 1256 |
+
masks_unfold = unfold_tensor(
|
| 1257 |
+
extra_padded_subsamlped_pad_mask, max_seq_len
|
| 1258 |
+
) # unfold the pad mask like we did to the input tensor
|
| 1259 |
+
masks_unfold = masks_unfold.squeeze(-1).bool() # unfold op does not support bool tensor
|
| 1260 |
+
hs_mask = self.calculate_hs_mask(
|
| 1261 |
+
hidden_states, hidden_states.device, masks_unfold
|
| 1262 |
+
) # calculate hs_mask based on the unfolded pad mask
|
| 1263 |
+
|
| 1264 |
+
relative_attention_bias = self.relative_attention_bias_layer(hidden_states)
|
| 1265 |
+
attention_mask = hs_mask.unsqueeze(1) + relative_attention_bias
|
| 1266 |
+
|
| 1267 |
+
for layer in self.encoders:
|
| 1268 |
+
hidden_states = layer(hidden_states, attention_mask)
|
| 1269 |
+
|
| 1270 |
+
if unfolded:
|
| 1271 |
+
embed_dim = hidden_states.shape[-1]
|
| 1272 |
+
hidden_states = hidden_states.reshape(bs, -1, embed_dim)
|
| 1273 |
+
# if we ever padded before unfolding, we need to remove the padding
|
| 1274 |
+
if chunk_pad_size > 0:
|
| 1275 |
+
hidden_states = hidden_states[:, :-chunk_pad_size, :]
|
| 1276 |
+
|
| 1277 |
+
return hidden_states
|
| 1278 |
+
|
| 1279 |
+
|
| 1280 |
+
def unfold_tensor(tensor, max_seq_len):
|
| 1281 |
+
"""
|
| 1282 |
+
For a given tensor with shape of (N, T, D), if sequence length T is longer than max_seq_len,
|
| 1283 |
+
this function unfold it to a (NT', max_seq_len, D) where T' is T // max_seq_len.
|
| 1284 |
+
Args:
|
| 1285 |
+
tensor: N, T, D
|
| 1286 |
+
"""
|
| 1287 |
+
_, _, D = tensor.shape
|
| 1288 |
+
tensor = tensor.transpose(-1, -2)
|
| 1289 |
+
# N x D x 1 x T => N x (D x max_seq_len) x T'
|
| 1290 |
+
tensor = F.unfold(tensor[..., None, :], kernel_size=(1, max_seq_len), stride=(1, max_seq_len))
|
| 1291 |
+
|
| 1292 |
+
new_bsz, _, slen = tensor.shape
|
| 1293 |
+
tensor = tensor.view(new_bsz, -1, max_seq_len, slen)
|
| 1294 |
+
tensor = tensor.permute(0, 3, 2, 1)
|
| 1295 |
+
tensor = tensor.view(-1, max_seq_len, D).contiguous()
|
| 1296 |
+
return tensor
|
| 1297 |
+
|
| 1298 |
+
|
| 1299 |
+
def adaptive_enc_mask(x_len, chunk_start_idx, left_window=0, right_window=0):
|
| 1300 |
+
"""
|
| 1301 |
+
The function is very important for Transformer Transducer Streaming mode
|
| 1302 |
+
Args:
|
| 1303 |
+
xs_len (int): sequence length
|
| 1304 |
+
chunk_start_idx (list): first idx of each chunk, such as [0,18,36,48]. It also supports adaptive chunk size [0,10,15,45]
|
| 1305 |
+
left_window (int): how many left chunks can be seen
|
| 1306 |
+
right_window (int): how many right chunks can be seen. It is used for chunk overlap model.
|
| 1307 |
+
Returns:
|
| 1308 |
+
mask (torch.Tensor): a mask tensor for streaming model
|
| 1309 |
+
"""
|
| 1310 |
+
chunk_start_idx = torch.Tensor(chunk_start_idx).long()
|
| 1311 |
+
start_pad = torch.nn.functional.pad(
|
| 1312 |
+
chunk_start_idx, (1, 0)
|
| 1313 |
+
) # append 0 to the beginning, so it becomes [0, 0, 18, 36, 48]
|
| 1314 |
+
end_pad = torch.nn.functional.pad(
|
| 1315 |
+
chunk_start_idx, (0, 1), value=x_len
|
| 1316 |
+
) # append x_len to the end, so it becomes [0,18,36,48, x_len]
|
| 1317 |
+
seq_range = torch.arange(0, x_len).unsqueeze(-1)
|
| 1318 |
+
idx = ((seq_range < end_pad) & (seq_range >= start_pad)).nonzero()[:, 1]
|
| 1319 |
+
seq_range_expand = torch.arange(0, x_len).unsqueeze(0).expand(x_len, -1)
|
| 1320 |
+
idx_left = idx - left_window
|
| 1321 |
+
idx_left[idx_left < 0] = 0
|
| 1322 |
+
boundary_left = start_pad[idx_left]
|
| 1323 |
+
mask_left = seq_range_expand >= boundary_left.unsqueeze(-1)
|
| 1324 |
+
idx_right = idx + right_window
|
| 1325 |
+
idx_right[idx_right > len(chunk_start_idx)] = len(chunk_start_idx)
|
| 1326 |
+
boundary_right = end_pad[idx_right]
|
| 1327 |
+
mask_right = seq_range_expand < boundary_right.unsqueeze(-1)
|
| 1328 |
+
return mask_left & mask_right
|
| 1329 |
+
|
| 1330 |
+
|
| 1331 |
+
class Phi4MultimodalAudioEmbedding(nn.Module):
|
| 1332 |
+
def __init__(self, config: Phi4MultimodalConfig):
|
| 1333 |
+
super().__init__()
|
| 1334 |
+
self.config = config
|
| 1335 |
+
self.layer_idx = config.audio_config.feature_layer
|
| 1336 |
+
|
| 1337 |
+
self.drop = nn.Dropout(config.embd_pdrop)
|
| 1338 |
+
self.encoder = Phi4MultimodalAudioModel._from_config(config.audio_config)
|
| 1339 |
+
self.up_proj_for_speech = nn.Linear(
|
| 1340 |
+
config.audio_config.hidden_size * config.audio_config.downsample_rate, config.hidden_size
|
| 1341 |
+
)
|
| 1342 |
+
self.down_proj_for_speech = nn.Linear(config.hidden_size, config.hidden_size)
|
| 1343 |
+
self.up_proj_for_vision_speech = nn.Linear(
|
| 1344 |
+
config.audio_config.hidden_size * config.audio_config.downsample_rate, config.hidden_size
|
| 1345 |
+
)
|
| 1346 |
+
self.down_proj_for_vision_speech = nn.Linear(config.hidden_size, config.hidden_size)
|
| 1347 |
+
|
| 1348 |
+
def forward(
|
| 1349 |
+
self,
|
| 1350 |
+
input_ids: torch.LongTensor,
|
| 1351 |
+
inputs_embeds: torch.Tensor,
|
| 1352 |
+
audio_input_features: torch.FloatTensor,
|
| 1353 |
+
audio_embed_sizes=None,
|
| 1354 |
+
audio_attention_mask=None,
|
| 1355 |
+
audio_projection_mode="speech",
|
| 1356 |
+
) -> torch.FloatTensor:
|
| 1357 |
+
with torch.no_grad():
|
| 1358 |
+
positions_tuple = torch.nonzero(input_ids == self.config.audio_config.audio_token_id, as_tuple=True)
|
| 1359 |
+
|
| 1360 |
+
up_proj = self.up_proj_for_speech if audio_projection_mode == "speech" else self.up_proj_for_vision_speech
|
| 1361 |
+
down_proj = (
|
| 1362 |
+
self.down_proj_for_speech if audio_projection_mode == "speech" else self.down_proj_for_vision_speech
|
| 1363 |
+
)
|
| 1364 |
+
|
| 1365 |
+
target_device = up_proj.bias.device
|
| 1366 |
+
target_dtype = up_proj.bias.dtype
|
| 1367 |
+
|
| 1368 |
+
audio_input_features = audio_input_features.to(device=target_device, dtype=target_dtype)
|
| 1369 |
+
|
| 1370 |
+
audio_encoder_hidden_states = self.encoder(audio_input_features, audio_attention_mask)
|
| 1371 |
+
audio_encoder_hidden_states = up_proj(audio_encoder_hidden_states)
|
| 1372 |
+
audio_encoder_hidden_states = nn.functional.gelu(audio_encoder_hidden_states)
|
| 1373 |
+
audio_embeds = down_proj(audio_encoder_hidden_states)
|
| 1374 |
+
|
| 1375 |
+
merged_audio_embeds = torch.cat(
|
| 1376 |
+
[audio_embeds[i, : audio_embed_sizes[i], :] for i in range(len(audio_embed_sizes))], dim=0
|
| 1377 |
+
)
|
| 1378 |
+
merged_audio_embeds = merged_audio_embeds.to(dtype=inputs_embeds.dtype, device=inputs_embeds.device)
|
| 1379 |
+
# Temporarily disable autocast to avoid issue on bf16 tensors
|
| 1380 |
+
# Ref: https://github.com/pytorch/pytorch/issues/132715
|
| 1381 |
+
with torch.autocast(device_type=inputs_embeds.device.type, enabled=False):
|
| 1382 |
+
audio_embeds = inputs_embeds.index_put(
|
| 1383 |
+
indices=positions_tuple, values=merged_audio_embeds, accumulate=False
|
| 1384 |
+
)
|
| 1385 |
+
|
| 1386 |
+
audio_embeds = self.drop(audio_embeds)
|
| 1387 |
+
|
| 1388 |
+
return audio_embeds
|
| 1389 |
+
|
| 1390 |
+
|
| 1391 |
+
#################################################### TEXT ####################################################
|
| 1392 |
+
|
| 1393 |
+
|
| 1394 |
+
class Phi4MultimodalRMSNorm(Phi3RMSNorm):
|
| 1395 |
+
pass
|
| 1396 |
+
|
| 1397 |
+
|
| 1398 |
+
class Phi4MultimodalDecoderLayer(Phi3DecoderLayer):
|
| 1399 |
+
pass
|
| 1400 |
+
|
| 1401 |
+
|
| 1402 |
+
class Phi4MultimodalFeatureEmbedding(nn.Module):
|
| 1403 |
+
"""Image-audio embedding."""
|
| 1404 |
+
|
| 1405 |
+
def __init__(self, config: Phi4MultimodalConfig) -> None:
|
| 1406 |
+
super().__init__()
|
| 1407 |
+
self.config = config
|
| 1408 |
+
self.image_token_id = config.vision_config.image_token_id
|
| 1409 |
+
self.audio_token_id = config.audio_config.audio_token_id
|
| 1410 |
+
self.image_embed = Phi4MultimodalImageEmbedding(config)
|
| 1411 |
+
self.audio_embed = Phi4MultimodalAudioEmbedding(config)
|
| 1412 |
+
|
| 1413 |
+
def forward(
|
| 1414 |
+
self,
|
| 1415 |
+
input_ids: torch.LongTensor,
|
| 1416 |
+
inputs_embeds: torch.Tensor,
|
| 1417 |
+
image_pixel_values: Optional[torch.FloatTensor] = None,
|
| 1418 |
+
audio_input_features: Optional[torch.FloatTensor] = None,
|
| 1419 |
+
image_sizes=None,
|
| 1420 |
+
image_attention_mask=None,
|
| 1421 |
+
audio_embed_sizes=None,
|
| 1422 |
+
audio_attention_mask=None,
|
| 1423 |
+
) -> torch.FloatTensor:
|
| 1424 |
+
with torch.no_grad():
|
| 1425 |
+
image_position_mask = (input_ids == self.config.vision_config.image_token_id).unsqueeze(-1)
|
| 1426 |
+
non_image_position_mask = ~image_position_mask
|
| 1427 |
+
|
| 1428 |
+
image_embeds = None
|
| 1429 |
+
audio_embeds = None
|
| 1430 |
+
if image_pixel_values is not None and (input_ids == self.image_token_id).any():
|
| 1431 |
+
image_embeds = self.image_embed(
|
| 1432 |
+
input_ids,
|
| 1433 |
+
inputs_embeds,
|
| 1434 |
+
image_pixel_values=image_pixel_values,
|
| 1435 |
+
image_sizes=image_sizes,
|
| 1436 |
+
image_attention_mask=image_attention_mask,
|
| 1437 |
+
)
|
| 1438 |
+
if audio_input_features is not None and (input_ids == self.audio_token_id).any():
|
| 1439 |
+
audio_projection_mode = "vision" if image_pixel_values is not None else "speech"
|
| 1440 |
+
audio_embeds = self.audio_embed(
|
| 1441 |
+
input_ids,
|
| 1442 |
+
inputs_embeds,
|
| 1443 |
+
audio_input_features=audio_input_features,
|
| 1444 |
+
audio_embed_sizes=audio_embed_sizes,
|
| 1445 |
+
audio_attention_mask=audio_attention_mask,
|
| 1446 |
+
audio_projection_mode=audio_projection_mode,
|
| 1447 |
+
)
|
| 1448 |
+
|
| 1449 |
+
# merge image and audio
|
| 1450 |
+
if image_embeds is not None and audio_embeds is not None:
|
| 1451 |
+
inputs_embeds = image_embeds * image_position_mask + audio_embeds * non_image_position_mask
|
| 1452 |
+
elif image_embeds is not None:
|
| 1453 |
+
inputs_embeds = image_embeds
|
| 1454 |
+
elif audio_embeds is not None:
|
| 1455 |
+
inputs_embeds = audio_embeds
|
| 1456 |
+
|
| 1457 |
+
return inputs_embeds
|
| 1458 |
+
|
| 1459 |
+
|
| 1460 |
+
PHI4_MULTIMODAL_MODEL_INPUTS_DOCSTRING = r"""
|
| 1461 |
+
Args:
|
| 1462 |
+
input_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`):
|
| 1463 |
+
Indices of input sequence tokens in the vocabulary. Padding will be ignored by default should you provide
|
| 1464 |
+
it.
|
| 1465 |
+
|
| 1466 |
+
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
|
| 1467 |
+
[`PreTrainedTokenizer.__call__`] for details.
|
| 1468 |
+
|
| 1469 |
+
[What are input IDs?](../glossary#input-ids)
|
| 1470 |
+
attention_mask (`torch.Tensor` of shape `(batch_size, sequence_length)`, *optional*):
|
| 1471 |
+
Mask to avoid performing attention on padding indices in `input_values`. Mask values selected in `[0, 1]`:
|
| 1472 |
+
- 1 for tokens that are **not masked**,
|
| 1473 |
+
- 0 for tokens that are **masked**.
|
| 1474 |
+
[What are attention masks?](../glossary#attention-mask)
|
| 1475 |
+
position_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
|
| 1476 |
+
Indices of positions of each input sequence tokens in the position embeddings. Selected in the range `[0,
|
| 1477 |
+
config.n_positions - 1]`.
|
| 1478 |
+
|
| 1479 |
+
[What are position IDs?](../glossary#position-ids)
|
| 1480 |
+
past_key_values (`Cache`)`, *optional*):
|
| 1481 |
+
Pre-computed hidden-states (key and values in the self-attention blocks and in the cross-attention
|
| 1482 |
+
blocks) that can be used to speed up sequential decoding. This typically consists in the `past_key_values`
|
| 1483 |
+
returned by the model at a previous stage of decoding, when `use_cache=True` or `config.use_cache=True`.
|
| 1484 |
+
See our [kv cache guide](https://huggingface.co/docs/transformers/en/kv_cache);
|
| 1485 |
+
|
| 1486 |
+
If `past_key_values` are used, the user can optionally input only the last `input_ids` (those that don't
|
| 1487 |
+
have their past key value states given to this model) of shape `(batch_size, 1)` instead of all `input_ids`
|
| 1488 |
+
of shape `(batch_size, sequence_length)`.
|
| 1489 |
+
inputs_embeds (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`, *optional*):
|
| 1490 |
+
Optionally, instead of passing `input_ids` you can choose to directly pass an embedded representation. This
|
| 1491 |
+
is useful if you want more control over how to convert `input_ids` indices into associated vectors than the
|
| 1492 |
+
model's internal embedding lookup matrix.
|
| 1493 |
+
image_pixel_values (`torch.FloatTensor`, *optional*):
|
| 1494 |
+
If the input contains images, these correspond to the pixel values after transformations (as returned by
|
| 1495 |
+
the Processor)
|
| 1496 |
+
image_sizes (`torch.LongTensor`, *optional*):
|
| 1497 |
+
If the input contains images, these correspond to size of each image.
|
| 1498 |
+
image_attention_mask (`torch.LongTensor`, *optional*):
|
| 1499 |
+
Attention mask for the images.
|
| 1500 |
+
audio_input_features (`torch.FloatTensor`, *optional*):
|
| 1501 |
+
If the input contains audio samples, these correspond to the values after transformation (as returned by
|
| 1502 |
+
the Processor).
|
| 1503 |
+
audio_embed_sizes (`torch.Tensor`, *optional*):
|
| 1504 |
+
Size of the audio inputs.
|
| 1505 |
+
audio_attention_mask (`torch.Tensor, *optional*):
|
| 1506 |
+
Attention mask for the audio inputs.
|
| 1507 |
+
use_cache (`bool`, *optional*):
|
| 1508 |
+
If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding (see
|
| 1509 |
+
`past_key_values`).
|
| 1510 |
+
output_attentions (`bool`, *optional*):
|
| 1511 |
+
Whether or not to return the attentions tensors of all attention layers. See `attentions` under returned
|
| 1512 |
+
tensors for more detail.
|
| 1513 |
+
output_hidden_states (`bool`, *optional*):
|
| 1514 |
+
Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
|
| 1515 |
+
more detail.
|
| 1516 |
+
return_dict (`bool`, *optional*):
|
| 1517 |
+
Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
|
| 1518 |
+
cache_position (`torch.LongTensor` of shape `(sequence_length)`, *optional*):
|
| 1519 |
+
Indices depicting the position of the input sequence tokens in the sequence. Contrarily to `position_ids`,
|
| 1520 |
+
this tensor is not affected by padding. It is used to update the cache in the correct position and to infer
|
| 1521 |
+
the complete sequence length.
|
| 1522 |
+
"""
|
| 1523 |
+
|
| 1524 |
+
|
| 1525 |
+
class Phi4MultimodalRotaryEmbedding(Phi3RotaryEmbedding):
|
| 1526 |
+
pass
|
| 1527 |
+
|
| 1528 |
+
|
| 1529 |
+
class Phi4MultimodalPreTrainedModel(Phi3PreTrainedModel):
|
| 1530 |
+
def _init_weights(self, module):
|
| 1531 |
+
std = self.config.initializer_range
|
| 1532 |
+
if isinstance(module, nn.Linear):
|
| 1533 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
| 1534 |
+
if module.bias is not None:
|
| 1535 |
+
module.bias.data.zero_()
|
| 1536 |
+
elif isinstance(module, nn.Embedding):
|
| 1537 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
| 1538 |
+
if module.padding_idx is not None:
|
| 1539 |
+
module.weight.data[module.padding_idx].zero_()
|
| 1540 |
+
elif isinstance(module, Phi4MultimodalRMSNorm):
|
| 1541 |
+
module.weight.data.fill_(1.0)
|
| 1542 |
+
elif isinstance(module, Phi4MultimodalImageEmbedding):
|
| 1543 |
+
module.global_img_feature_extensor.data.zero_()
|
| 1544 |
+
module.sub_img_feature_extensor.data.zero_()
|
| 1545 |
+
|
| 1546 |
+
|
| 1547 |
+
class Phi4MultimodalModel(Phi3Model, nn.Module):
|
| 1548 |
+
"""
|
| 1549 |
+
Transformer decoder consisting of *config.num_hidden_layers* layers. Each layer is a [`Phi4MultimodalMMDecoderLayer`]
|
| 1550 |
+
Args:
|
| 1551 |
+
config: Phi4MultimodalMMConfig
|
| 1552 |
+
"""
|
| 1553 |
+
|
| 1554 |
+
def __init__(self, config: Phi4MultimodalConfig):
|
| 1555 |
+
super().__init__(config)
|
| 1556 |
+
self.padding_idx = config.pad_token_id
|
| 1557 |
+
self.vocab_size = config.vocab_size
|
| 1558 |
+
|
| 1559 |
+
self.embed_tokens = nn.Embedding(config.vocab_size, config.hidden_size, self.padding_idx)
|
| 1560 |
+
self.embed_dropout = nn.Dropout(config.embd_pdrop)
|
| 1561 |
+
|
| 1562 |
+
self.embed_tokens_extend = Phi4MultimodalFeatureEmbedding(config)
|
| 1563 |
+
|
| 1564 |
+
self.layers = nn.ModuleList(
|
| 1565 |
+
[Phi4MultimodalDecoderLayer(config, layer_idx) for layer_idx in range(config.num_hidden_layers)]
|
| 1566 |
+
)
|
| 1567 |
+
self.norm = Phi4MultimodalRMSNorm(config.hidden_size, eps=config.rms_norm_eps)
|
| 1568 |
+
|
| 1569 |
+
self.gradient_checkpointing = False
|
| 1570 |
+
# Initialize weights and apply final processing
|
| 1571 |
+
self.post_init()
|
| 1572 |
+
|
| 1573 |
+
@can_return_tuple
|
| 1574 |
+
@add_start_docstrings_to_model_forward(PHI4_MULTIMODAL_MODEL_INPUTS_DOCSTRING)
|
| 1575 |
+
def forward(
|
| 1576 |
+
self,
|
| 1577 |
+
input_ids: Optional[torch.LongTensor] = None,
|
| 1578 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 1579 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 1580 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
| 1581 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
| 1582 |
+
image_pixel_values: Optional[torch.FloatTensor] = None,
|
| 1583 |
+
image_sizes: Optional[torch.LongTensor] = None,
|
| 1584 |
+
image_attention_mask=None,
|
| 1585 |
+
audio_input_features: Optional[torch.FloatTensor] = None,
|
| 1586 |
+
audio_embed_sizes=None,
|
| 1587 |
+
audio_attention_mask=None,
|
| 1588 |
+
use_cache: Optional[bool] = None,
|
| 1589 |
+
output_attentions: Optional[bool] = None,
|
| 1590 |
+
output_hidden_states: Optional[bool] = None,
|
| 1591 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 1592 |
+
**kwargs,
|
| 1593 |
+
) -> BaseModelOutputWithPast:
|
| 1594 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
| 1595 |
+
output_hidden_states = (
|
| 1596 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
| 1597 |
+
)
|
| 1598 |
+
use_cache = use_cache if use_cache is not None else self.config.use_cache
|
| 1599 |
+
|
| 1600 |
+
if (input_ids is None) ^ (inputs_embeds is not None):
|
| 1601 |
+
raise ValueError("You must specify exactly one of input_ids or inputs_embeds")
|
| 1602 |
+
|
| 1603 |
+
if self.gradient_checkpointing and self.training:
|
| 1604 |
+
if use_cache:
|
| 1605 |
+
logger.warning_once(
|
| 1606 |
+
"`use_cache=True` is incompatible with gradient checkpointing. Setting `use_cache=False`..."
|
| 1607 |
+
)
|
| 1608 |
+
use_cache = False
|
| 1609 |
+
|
| 1610 |
+
if use_cache and past_key_values is None:
|
| 1611 |
+
past_key_values = DynamicCache()
|
| 1612 |
+
|
| 1613 |
+
if inputs_embeds is None:
|
| 1614 |
+
inputs_embeds = self.embed_tokens(input_ids)
|
| 1615 |
+
inputs_embeds = self.embed_tokens_extend(
|
| 1616 |
+
input_ids,
|
| 1617 |
+
inputs_embeds,
|
| 1618 |
+
image_pixel_values=image_pixel_values,
|
| 1619 |
+
audio_input_features=audio_input_features,
|
| 1620 |
+
image_sizes=image_sizes,
|
| 1621 |
+
image_attention_mask=image_attention_mask,
|
| 1622 |
+
audio_embed_sizes=audio_embed_sizes,
|
| 1623 |
+
audio_attention_mask=audio_attention_mask,
|
| 1624 |
+
)
|
| 1625 |
+
|
| 1626 |
+
if cache_position is None:
|
| 1627 |
+
past_seen_tokens = past_key_values.get_seq_length() if past_key_values is not None else 0
|
| 1628 |
+
cache_position = torch.arange(
|
| 1629 |
+
past_seen_tokens, past_seen_tokens + inputs_embeds.shape[1], device=inputs_embeds.device
|
| 1630 |
+
)
|
| 1631 |
+
if position_ids is None:
|
| 1632 |
+
position_ids = cache_position.unsqueeze(0)
|
| 1633 |
+
|
| 1634 |
+
causal_mask = self._update_causal_mask(
|
| 1635 |
+
attention_mask, inputs_embeds, cache_position, past_key_values, output_attentions
|
| 1636 |
+
)
|
| 1637 |
+
|
| 1638 |
+
hidden_states = inputs_embeds
|
| 1639 |
+
|
| 1640 |
+
# create position embeddings to be shared across the decoder layers
|
| 1641 |
+
position_embeddings = self.rotary_emb(hidden_states, position_ids)
|
| 1642 |
+
|
| 1643 |
+
# decoder layers
|
| 1644 |
+
all_hidden_states = () if output_hidden_states else None
|
| 1645 |
+
all_self_attns = () if output_attentions else None
|
| 1646 |
+
|
| 1647 |
+
for decoder_layer in self.layers:
|
| 1648 |
+
if output_hidden_states:
|
| 1649 |
+
all_hidden_states += (hidden_states,)
|
| 1650 |
+
|
| 1651 |
+
layer_outputs = decoder_layer(
|
| 1652 |
+
hidden_states,
|
| 1653 |
+
attention_mask=causal_mask,
|
| 1654 |
+
position_ids=position_ids,
|
| 1655 |
+
past_key_value=past_key_values,
|
| 1656 |
+
output_attentions=output_attentions,
|
| 1657 |
+
use_cache=use_cache,
|
| 1658 |
+
cache_position=cache_position,
|
| 1659 |
+
position_embeddings=position_embeddings,
|
| 1660 |
+
**kwargs,
|
| 1661 |
+
)
|
| 1662 |
+
|
| 1663 |
+
hidden_states = layer_outputs[0]
|
| 1664 |
+
|
| 1665 |
+
if output_attentions:
|
| 1666 |
+
all_self_attns += (layer_outputs[1],)
|
| 1667 |
+
|
| 1668 |
+
hidden_states = self.norm(hidden_states)
|
| 1669 |
+
|
| 1670 |
+
# add hidden states from the last decoder layer
|
| 1671 |
+
if output_hidden_states:
|
| 1672 |
+
all_hidden_states += (hidden_states,)
|
| 1673 |
+
|
| 1674 |
+
return BaseModelOutputWithPast(
|
| 1675 |
+
last_hidden_state=hidden_states,
|
| 1676 |
+
past_key_values=past_key_values if use_cache else None,
|
| 1677 |
+
hidden_states=all_hidden_states,
|
| 1678 |
+
attentions=all_self_attns,
|
| 1679 |
+
)
|
| 1680 |
+
|
| 1681 |
+
|
| 1682 |
+
class Phi4MultimodalForCausalLM(Phi3ForCausalLM, nn.Module):
|
| 1683 |
+
_tied_weights_keys = ["lm_head.weight"]
|
| 1684 |
+
|
| 1685 |
+
def __init__(self, config):
|
| 1686 |
+
super().__init__(config)
|
| 1687 |
+
self.model = Phi4MultimodalModel(config)
|
| 1688 |
+
self.vocab_size = config.vocab_size
|
| 1689 |
+
self.lm_head = nn.Linear(config.hidden_size, config.vocab_size, bias=False)
|
| 1690 |
+
|
| 1691 |
+
# Initialize weights and apply final processing
|
| 1692 |
+
self.post_init()
|
| 1693 |
+
|
| 1694 |
+
@can_return_tuple
|
| 1695 |
+
@add_start_docstrings_to_model_forward(PHI4_MULTIMODAL_MODEL_INPUTS_DOCSTRING)
|
| 1696 |
+
@replace_return_docstrings(output_type=CausalLMOutputWithPast, config_class=Phi4MultimodalConfig)
|
| 1697 |
+
def forward(
|
| 1698 |
+
self,
|
| 1699 |
+
input_ids: Optional[torch.LongTensor] = None,
|
| 1700 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 1701 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 1702 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
| 1703 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
| 1704 |
+
image_pixel_values: Optional[torch.FloatTensor] = None,
|
| 1705 |
+
image_sizes: Optional[torch.LongTensor] = None,
|
| 1706 |
+
image_attention_mask=None,
|
| 1707 |
+
audio_input_features: Optional[torch.FloatTensor] = None,
|
| 1708 |
+
audio_embed_sizes=None,
|
| 1709 |
+
audio_attention_mask=None,
|
| 1710 |
+
labels: Optional[torch.LongTensor] = None,
|
| 1711 |
+
use_cache: Optional[bool] = None,
|
| 1712 |
+
output_attentions: Optional[bool] = None,
|
| 1713 |
+
output_hidden_states: Optional[bool] = None,
|
| 1714 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 1715 |
+
logits_to_keep: Union[int, torch.Tensor] = 0,
|
| 1716 |
+
**kwargs,
|
| 1717 |
+
) -> CausalLMOutputWithPast:
|
| 1718 |
+
r"""
|
| 1719 |
+
labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
|
| 1720 |
+
Labels for computing the masked language modeling loss. Indices should either be in `[0, ...,
|
| 1721 |
+
config.vocab_size]` or -100 (see `input_ids` docstring). Tokens with indices set to `-100` are ignored
|
| 1722 |
+
(masked), the loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`.
|
| 1723 |
+
|
| 1724 |
+
logits_to_keep (`int` or `torch.Tensor`, *optional*):
|
| 1725 |
+
If an `int`, compute logits for the last `logits_to_keep` tokens. If `0`, calculate logits for all
|
| 1726 |
+
`input_ids` (special case). Only last token logits are needed for generation, and calculating them only for that
|
| 1727 |
+
token can save memory, which becomes pretty significant for long sequences or large vocabulary size.
|
| 1728 |
+
If a `torch.Tensor`, must be 1D corresponding to the indices to keep in the sequence length dimension.
|
| 1729 |
+
This is useful when using packed tensor format (single dimension for batch and sequence length).
|
| 1730 |
+
Returns:
|
| 1731 |
+
|
| 1732 |
+
Example:
|
| 1733 |
+
```python
|
| 1734 |
+
>>> from transformers import AutoTokenizer, Phi4MultimodalForCausalLM
|
| 1735 |
+
>>> model = Phi4MultimodalForCausalLM.from_pretrained("TBA")
|
| 1736 |
+
>>> tokenizer = AutoTokenizer.from_pretrained("TBA")
|
| 1737 |
+
>>> prompt = "This is an example script ."
|
| 1738 |
+
>>> inputs = tokenizer(prompt, return_tensors="pt")
|
| 1739 |
+
>>> # Generate
|
| 1740 |
+
>>> generate_ids = model.generate(inputs.input_ids, max_length=30)
|
| 1741 |
+
>>> tokenizer.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0]
|
| 1742 |
+
'This is an example script .\n Certainly! Below is a sample script that demonstrates a simple task, such as calculating the sum'
|
| 1743 |
+
```"""
|
| 1744 |
+
|
| 1745 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
| 1746 |
+
output_hidden_states = (
|
| 1747 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
| 1748 |
+
)
|
| 1749 |
+
|
| 1750 |
+
# decoder outputs consists of (dec_features, layer_state, dec_hidden, dec_attn)
|
| 1751 |
+
outputs: BaseModelOutputWithPast = self.model(
|
| 1752 |
+
input_ids=input_ids,
|
| 1753 |
+
attention_mask=attention_mask,
|
| 1754 |
+
position_ids=position_ids,
|
| 1755 |
+
past_key_values=past_key_values,
|
| 1756 |
+
inputs_embeds=inputs_embeds,
|
| 1757 |
+
image_pixel_values=image_pixel_values,
|
| 1758 |
+
image_sizes=image_sizes,
|
| 1759 |
+
image_attention_mask=image_attention_mask,
|
| 1760 |
+
audio_input_features=audio_input_features,
|
| 1761 |
+
audio_embed_sizes=audio_embed_sizes,
|
| 1762 |
+
audio_attention_mask=audio_attention_mask,
|
| 1763 |
+
use_cache=use_cache,
|
| 1764 |
+
output_attentions=output_attentions,
|
| 1765 |
+
output_hidden_states=output_hidden_states,
|
| 1766 |
+
cache_position=cache_position,
|
| 1767 |
+
**kwargs,
|
| 1768 |
+
)
|
| 1769 |
+
|
| 1770 |
+
hidden_states = outputs.last_hidden_state
|
| 1771 |
+
# Only compute necessary logits, and do not upcast them to float if we are not computing the loss
|
| 1772 |
+
slice_indices = slice(-logits_to_keep, None) if isinstance(logits_to_keep, int) else logits_to_keep
|
| 1773 |
+
logits = self.lm_head(hidden_states[:, slice_indices, :])
|
| 1774 |
+
|
| 1775 |
+
loss = None
|
| 1776 |
+
if labels is not None:
|
| 1777 |
+
loss = self.loss_function(logits, labels, self.vocab_size)
|
| 1778 |
+
|
| 1779 |
+
return CausalLMOutputWithPast(
|
| 1780 |
+
loss=loss,
|
| 1781 |
+
logits=logits,
|
| 1782 |
+
past_key_values=outputs.past_key_values,
|
| 1783 |
+
hidden_states=outputs.hidden_states,
|
| 1784 |
+
attentions=outputs.attentions,
|
| 1785 |
+
)
|
| 1786 |
+
|
| 1787 |
+
def prepare_inputs_for_generation(
|
| 1788 |
+
self,
|
| 1789 |
+
input_ids,
|
| 1790 |
+
past_key_values=None,
|
| 1791 |
+
attention_mask=None,
|
| 1792 |
+
inputs_embeds=None,
|
| 1793 |
+
image_pixel_values=None,
|
| 1794 |
+
image_sizes=None,
|
| 1795 |
+
image_attention_mask=None,
|
| 1796 |
+
audio_input_features=None,
|
| 1797 |
+
audio_embed_sizes=None,
|
| 1798 |
+
audio_attention_mask=None,
|
| 1799 |
+
cache_position=None,
|
| 1800 |
+
position_ids=None,
|
| 1801 |
+
use_cache=True,
|
| 1802 |
+
logits_to_keep=0,
|
| 1803 |
+
**kwargs,
|
| 1804 |
+
):
|
| 1805 |
+
# Overwritten -- this model may need to switch between short and long rope, invalidating the cache in the
|
| 1806 |
+
# process
|
| 1807 |
+
|
| 1808 |
+
# When the first time input length reached long and short factor switching point, enforce re-compute cache
|
| 1809 |
+
# It will cause downside of slower at this single token position, however, better than current failure.
|
| 1810 |
+
if (
|
| 1811 |
+
past_key_values
|
| 1812 |
+
and self.config.rope_scaling
|
| 1813 |
+
and input_ids.shape[1] >= self.config.original_max_position_embeddings + 1
|
| 1814 |
+
):
|
| 1815 |
+
past_length = cache_position[0]
|
| 1816 |
+
if past_length <= self.config.original_max_position_embeddings:
|
| 1817 |
+
past_key_values = None
|
| 1818 |
+
|
| 1819 |
+
model_inputs = super().prepare_inputs_for_generation(
|
| 1820 |
+
input_ids=input_ids,
|
| 1821 |
+
past_key_values=past_key_values,
|
| 1822 |
+
attention_mask=attention_mask,
|
| 1823 |
+
inputs_embeds=inputs_embeds,
|
| 1824 |
+
image_pixel_values=image_pixel_values,
|
| 1825 |
+
image_sizes=image_sizes,
|
| 1826 |
+
image_attention_mask=image_attention_mask,
|
| 1827 |
+
audio_input_features=audio_input_features,
|
| 1828 |
+
audio_embed_sizes=audio_embed_sizes,
|
| 1829 |
+
audio_attention_mask=audio_attention_mask,
|
| 1830 |
+
cache_position=cache_position,
|
| 1831 |
+
position_ids=position_ids,
|
| 1832 |
+
use_cache=use_cache,
|
| 1833 |
+
logits_to_keep=logits_to_keep,
|
| 1834 |
+
**kwargs,
|
| 1835 |
+
)
|
| 1836 |
+
return model_inputs
|
| 1837 |
+
|
| 1838 |
+
|
| 1839 |
+
__all__ = [
|
| 1840 |
+
"Phi4MultimodalAudioPreTrainedModel",
|
| 1841 |
+
"Phi4MultimodalAudioModel",
|
| 1842 |
+
"Phi4MultimodalVisionPreTrainedModel",
|
| 1843 |
+
"Phi4MultimodalVisionModel",
|
| 1844 |
+
"Phi4MultimodalPreTrainedModel",
|
| 1845 |
+
"Phi4MultimodalModel",
|
| 1846 |
+
"Phi4MultimodalForCausalLM",
|
| 1847 |
+
"Phi4MultimodalVisionConfig",
|
| 1848 |
+
"Phi4MultimodalAudioConfig",
|
| 1849 |
+
"Phi4MultimodalConfig",
|
| 1850 |
+
]
|
docs/transformers/build/lib/transformers/models/phi4_multimodal/processing_phi4_multimodal.py
ADDED
|
@@ -0,0 +1,195 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright 2025 Microsoft and the HuggingFace Inc. team. All rights reserved.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
"""
|
| 16 |
+
Processor class for Phi4Multimodal
|
| 17 |
+
"""
|
| 18 |
+
|
| 19 |
+
import re
|
| 20 |
+
from typing import List, Optional, Union
|
| 21 |
+
|
| 22 |
+
from ...audio_utils import AudioInput
|
| 23 |
+
from ...image_processing_utils import BatchFeature
|
| 24 |
+
from ...image_utils import ImageInput
|
| 25 |
+
from ...processing_utils import ProcessingKwargs, ProcessorMixin, Unpack
|
| 26 |
+
from ...tokenization_utils_base import TextInput
|
| 27 |
+
from ...utils import logging
|
| 28 |
+
|
| 29 |
+
|
| 30 |
+
logger = logging.get_logger(__name__)
|
| 31 |
+
|
| 32 |
+
|
| 33 |
+
class Phi4MultimodalProcessorKwargs(ProcessingKwargs, total=False):
|
| 34 |
+
_defaults = {
|
| 35 |
+
"audio_kwargs": {
|
| 36 |
+
"device": "cpu",
|
| 37 |
+
},
|
| 38 |
+
}
|
| 39 |
+
|
| 40 |
+
|
| 41 |
+
class Phi4MultimodalProcessor(ProcessorMixin):
|
| 42 |
+
r"""
|
| 43 |
+
Constructs a Phi4Multimodal processor which raps an image processor, a audio processor, and a GPT tokenizer into a single processor.
|
| 44 |
+
|
| 45 |
+
[`Phi4MultimodalProcessor`] offers all the functionalities of [`Phi4MultimodalImageProcessorFast`] and [`GPT2Tokenizer`]. See the
|
| 46 |
+
[`~Phi4MultimodalProcessor.__call__`] and [`~Phi4MultimodalProcessor.decode`] for more information.
|
| 47 |
+
|
| 48 |
+
Args:
|
| 49 |
+
image_processor (`Phi4MultimodalImageProcessorFast`):
|
| 50 |
+
The image processor to use for images.
|
| 51 |
+
audio_processor (`Phi4MultimodalFeatureExtractor`):
|
| 52 |
+
The audio processor to use for audio inputs.
|
| 53 |
+
tokenizer (`GPT2TokenizerFast`):
|
| 54 |
+
The tokenizer to use for text.
|
| 55 |
+
fake_image_token_pattern (`str`, *optional*, defaults to `r"<\|image_\d+\|>"`):
|
| 56 |
+
The fake image token pattern.
|
| 57 |
+
fake_audio_token_pattern (`str`, *optional*, defaults to `r"<\|audio_\d+\|>"`):
|
| 58 |
+
The fake audio token pattern.
|
| 59 |
+
"""
|
| 60 |
+
|
| 61 |
+
attributes = ["image_processor", "audio_processor", "tokenizer"]
|
| 62 |
+
tokenizer_class = "GPT2TokenizerFast"
|
| 63 |
+
image_processor_class = "Phi4MultimodalImageProcessorFast"
|
| 64 |
+
audio_processor_class = "Phi4MultimodalFeatureExtractor"
|
| 65 |
+
valid_kwargs = ["chat_template"]
|
| 66 |
+
|
| 67 |
+
def __init__(
|
| 68 |
+
self,
|
| 69 |
+
image_processor,
|
| 70 |
+
audio_processor,
|
| 71 |
+
tokenizer,
|
| 72 |
+
**kwargs,
|
| 73 |
+
):
|
| 74 |
+
self.image_token = tokenizer.image_token
|
| 75 |
+
self.image_token_id = tokenizer.image_token_id
|
| 76 |
+
self.audio_token = tokenizer.audio_token
|
| 77 |
+
self.audio_token_id = tokenizer.audio_token_id
|
| 78 |
+
super().__init__(image_processor, audio_processor, tokenizer, **kwargs)
|
| 79 |
+
|
| 80 |
+
def __call__(
|
| 81 |
+
self,
|
| 82 |
+
text: Union[TextInput, List[TextInput]],
|
| 83 |
+
images: Optional[ImageInput] = None,
|
| 84 |
+
audio: Optional[AudioInput] = None,
|
| 85 |
+
**kwargs: Unpack[ProcessingKwargs],
|
| 86 |
+
) -> BatchFeature:
|
| 87 |
+
"""
|
| 88 |
+
Main method to prepare for the model one or several sequences(s) and image(s). This method forards the `text`
|
| 89 |
+
and `kwargs` arguments to GPT2Tokenizer's [`~GPT2Tokenizer.__call__`] if `text` is not `None` to encode
|
| 90 |
+
the text. To prepare the image(s), this method forwards the `images` and `kwrags` arguments to
|
| 91 |
+
Phi4MultimodalImageProcessorFast's [`~Phi4MultimodalImageProcessorFast.__call__`] if `images` is not `None`. Please refer to the doctsring
|
| 92 |
+
of the above two methods for more information.
|
| 93 |
+
|
| 94 |
+
Args:
|
| 95 |
+
text (`str`, `List[str]`, `List[List[str]]`):
|
| 96 |
+
The sequence or batch of sequences to be encoded. Each sequence can be a string or a list of strings
|
| 97 |
+
(pretokenized string). If the sequences are provided as list of strings (pretokenized), you must set
|
| 98 |
+
`is_split_into_words=True` (to lift the ambiguity with a batch of sequences).
|
| 99 |
+
images (`PIL.Image.Image`, `np.ndarray`, `torch.Tensor`, `List[PIL.Image.Image]`, `List[np.ndarray]`, `List[torch.Tensor]`):
|
| 100 |
+
The image or batch of images to be prepared. Each image can be a PIL image, NumPy array or PyTorch
|
| 101 |
+
tensor. Both channels-first and channels-last formats are supported.
|
| 102 |
+
audio (`List[Union[np.ndarray, torch.Tensor]]`):
|
| 103 |
+
List of the audios to be prepared.
|
| 104 |
+
|
| 105 |
+
Returns:
|
| 106 |
+
[`BatchFeature`]: A [`BatchFeature`] with the following fields:
|
| 107 |
+
|
| 108 |
+
- **input_ids** -- List of token ids to be fed to a model.
|
| 109 |
+
- **attention_mask** -- List of indices specifying which tokens should be attended to by the model.
|
| 110 |
+
- **input_image_embeds** -- Pixel values to be fed to a model.
|
| 111 |
+
- **image_sizes** -- List of tuples specifying the size of each image in `input_image_embeds`.
|
| 112 |
+
- **image_attention_mask** -- List of attention masks for each image in `input_image_embeds`.
|
| 113 |
+
- **input_audio_embeds** -- Audio embeddings to be fed to a model.
|
| 114 |
+
- **audio_embed_sizes** -- List of integers specifying the size of each audio in `input_audio_embeds`.
|
| 115 |
+
"""
|
| 116 |
+
|
| 117 |
+
output_kwargs = self._merge_kwargs(Phi4MultimodalProcessorKwargs, self.tokenizer.init_kwargs, **kwargs)
|
| 118 |
+
image_kwargs = output_kwargs["images_kwargs"]
|
| 119 |
+
audio_kwargs = output_kwargs["audio_kwargs"]
|
| 120 |
+
|
| 121 |
+
image_inputs = self.image_processor(images, **image_kwargs) if images is not None else {}
|
| 122 |
+
audio_inputs = self.audio_processor(audio, **audio_kwargs) if audio is not None else {}
|
| 123 |
+
|
| 124 |
+
# We pop here for images as we don't need it later
|
| 125 |
+
num_img_tokens = image_inputs.pop("num_img_tokens", [])
|
| 126 |
+
audio_embed_sizes = audio_inputs.get("audio_embed_sizes", [])
|
| 127 |
+
|
| 128 |
+
# Replace certain special tokens for compatibility
|
| 129 |
+
if isinstance(text, str):
|
| 130 |
+
text = [text]
|
| 131 |
+
elif not isinstance(text, list) and not isinstance(text[0], str):
|
| 132 |
+
raise ValueError("Invalid input text. Please provide a string, or a list of strings")
|
| 133 |
+
|
| 134 |
+
image_token = self.tokenizer.image_token
|
| 135 |
+
audio_token = self.tokenizer.audio_token
|
| 136 |
+
|
| 137 |
+
# Check that the number of special tokens is sound
|
| 138 |
+
concatenated_prompt = "".join(text)
|
| 139 |
+
if concatenated_prompt.count(image_token) != len(num_img_tokens):
|
| 140 |
+
raise ValueError(
|
| 141 |
+
"You should add as much image tokens `<|image|>` in your prompt as you pass `images` to the processor. ",
|
| 142 |
+
f"Input contains {concatenated_prompt.count(image_token)} tokens != {len(num_img_tokens)} images",
|
| 143 |
+
)
|
| 144 |
+
if concatenated_prompt.count(audio_token) != len(audio_embed_sizes):
|
| 145 |
+
raise ValueError(
|
| 146 |
+
"You should add as much audio tokens `<|audio|>` in your prompt as you pass `audios` to the processor. "
|
| 147 |
+
f"Input contains {concatenated_prompt.count(audio_token)} tokens != {len(audio_embed_sizes)} audios"
|
| 148 |
+
)
|
| 149 |
+
|
| 150 |
+
# Add appropriate number of image/audio tokens (note that the count of replacement is dynamic)
|
| 151 |
+
image_count_iter = iter(num_img_tokens)
|
| 152 |
+
audio_count_iter = iter(audio_embed_sizes)
|
| 153 |
+
processed_text = [
|
| 154 |
+
re.sub(re.escape(image_token), lambda _: image_token * next(image_count_iter), t) for t in text
|
| 155 |
+
]
|
| 156 |
+
processed_text = [
|
| 157 |
+
re.sub(re.escape(audio_token), lambda _: audio_token * next(audio_count_iter), t) for t in processed_text
|
| 158 |
+
]
|
| 159 |
+
|
| 160 |
+
return_tensors = output_kwargs["text_kwargs"].pop("return_tensors", None)
|
| 161 |
+
text_inputs = self.tokenizer(processed_text, **output_kwargs["text_kwargs"])
|
| 162 |
+
self._check_special_mm_tokens(processed_text, text_inputs, modalities=["image"])
|
| 163 |
+
|
| 164 |
+
# prepare batch feature
|
| 165 |
+
data = {
|
| 166 |
+
**text_inputs,
|
| 167 |
+
**image_inputs,
|
| 168 |
+
**audio_inputs,
|
| 169 |
+
}
|
| 170 |
+
|
| 171 |
+
return BatchFeature(data=data, tensor_type=return_tensors)
|
| 172 |
+
|
| 173 |
+
def batch_decode(self, *args, **kwargs):
|
| 174 |
+
"""
|
| 175 |
+
This method forwards all its arguments to GPT2Tokenizer's [`~PreTrainedTokenizer.batch_decode`]. Please
|
| 176 |
+
refer to the docstring of this method for more information.
|
| 177 |
+
"""
|
| 178 |
+
return self.tokenizer.batch_decode(*args, **kwargs)
|
| 179 |
+
|
| 180 |
+
def decode(self, *args, **kwargs):
|
| 181 |
+
"""
|
| 182 |
+
This method forwards all its arguments to GPT2Tokenizer's [`~PreTrainedTokenizer.decode`]. Please refer to
|
| 183 |
+
the docstring of this method for more information.
|
| 184 |
+
"""
|
| 185 |
+
return self.tokenizer.decode(*args, **kwargs)
|
| 186 |
+
|
| 187 |
+
@property
|
| 188 |
+
def model_input_names(self):
|
| 189 |
+
tokenizer_input_names = self.tokenizer.model_input_names
|
| 190 |
+
image_processor_input_names = self.image_processor.model_input_names
|
| 191 |
+
audio_processor_input_names = self.audio_processor.model_input_names
|
| 192 |
+
return list(dict.fromkeys(tokenizer_input_names + image_processor_input_names + audio_processor_input_names))
|
| 193 |
+
|
| 194 |
+
|
| 195 |
+
__all__ = ["Phi4MultimodalProcessor"]
|
docs/transformers/build/lib/transformers/models/phimoe/configuration_phimoe.py
ADDED
|
@@ -0,0 +1,203 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright 2024 Microsoft and the HuggingFace Inc. team. All rights reserved.
|
| 3 |
+
#
|
| 4 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 5 |
+
# you may not use this file except in compliance with the License.
|
| 6 |
+
# You may obtain a copy of the License at
|
| 7 |
+
#
|
| 8 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 9 |
+
#
|
| 10 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 11 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 12 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 13 |
+
# See the License for the specific language governing permissions and
|
| 14 |
+
# limitations under the License.
|
| 15 |
+
|
| 16 |
+
"""PyTorch Phi-MoE model."""
|
| 17 |
+
|
| 18 |
+
from ...configuration_utils import PretrainedConfig
|
| 19 |
+
from ...modeling_rope_utils import rope_config_validation
|
| 20 |
+
from ...utils import logging
|
| 21 |
+
|
| 22 |
+
|
| 23 |
+
logger = logging.get_logger(__name__)
|
| 24 |
+
|
| 25 |
+
|
| 26 |
+
class PhimoeConfig(PretrainedConfig):
|
| 27 |
+
r"""
|
| 28 |
+
This is the configuration class to store the configuration of a [`PhimoeModel`]. It is used to instantiate a Phi-moe
|
| 29 |
+
model according to the specified arguments, defining the model architecture. Instantiating a configuration with the
|
| 30 |
+
defaults will yield a similar configuration to that of the
|
| 31 |
+
[microsoft/Phi-3.5-MoE-instruct](https://huggingface.co/microsoft/Phi-3.5-MoE-instruct).
|
| 32 |
+
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
|
| 33 |
+
documentation from [`PretrainedConfig`] for more information.
|
| 34 |
+
Args:
|
| 35 |
+
vocab_size (`int`, *optional*, defaults to 32064):
|
| 36 |
+
Vocabulary size of the Phimoe model. Defines the number of different tokens that can be represented by the
|
| 37 |
+
`inputs_ids` passed when calling [`PhimoeModel`]
|
| 38 |
+
hidden_size (`int`, *optional*, defaults to 4096):
|
| 39 |
+
Dimension of the hidden representations.
|
| 40 |
+
intermediate_size (`int`, *optional*, defaults to 6400):
|
| 41 |
+
Dimension of the MLP representations.
|
| 42 |
+
num_hidden_layers (`int`, *optional*, defaults to 32):
|
| 43 |
+
Number of hidden layers in the Transformer encoder.
|
| 44 |
+
num_attention_heads (`int`, *optional*, defaults to 32):
|
| 45 |
+
Number of attention heads for each attention layer in the Transformer encoder.
|
| 46 |
+
num_key_value_heads (`int`, *optional*, defaults to 8):
|
| 47 |
+
This is the number of key_value heads that should be used to implement Grouped Query Attention. If
|
| 48 |
+
`num_key_value_heads=num_attention_heads`, the model will use Multi Head Attention (MHA), if
|
| 49 |
+
`num_key_value_heads=1` the model will use Multi Query Attention (MQA) otherwise GQA is used. When
|
| 50 |
+
converting a multi-head checkpoint to a GQA checkpoint, each group key and value head should be constructed
|
| 51 |
+
by meanpooling all the original heads within that group. For more details checkout [this
|
| 52 |
+
paper](https://arxiv.org/pdf/2305.13245.pdf). If it is not specified, will default to `8`.
|
| 53 |
+
hidden_act (`str` or `function`, *optional*, defaults to `"silu"`):
|
| 54 |
+
The non-linear activation function (function or string) in the decoder.
|
| 55 |
+
max_position_embeddings (`int`, *optional*, defaults to `4096*32`):
|
| 56 |
+
The maximum sequence length that this model might ever be used with. Mixtral's sliding window attention
|
| 57 |
+
allows sequence of up to 4096*32 tokens.
|
| 58 |
+
initializer_range (`float`, *optional*, defaults to 0.02):
|
| 59 |
+
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
|
| 60 |
+
rms_norm_eps (`float`, *optional*, defaults to 1e-05):
|
| 61 |
+
The epsilon used by the rms normalization layers.
|
| 62 |
+
use_cache (`bool`, *optional*, defaults to `True`):
|
| 63 |
+
Whether or not the model should return the last key/values attentions (not used by all models). Only
|
| 64 |
+
relevant if `config.is_decoder=True`.
|
| 65 |
+
pad_token_id (`int`, *optional*):
|
| 66 |
+
The id of the padding token.
|
| 67 |
+
bos_token_id (`int`, *optional*, defaults to 1):
|
| 68 |
+
The id of the "beginning-of-sequence" token.
|
| 69 |
+
eos_token_id (`int`, *optional*, defaults to 2):
|
| 70 |
+
The id of the "end-of-sequence" token.
|
| 71 |
+
tie_word_embeddings (`bool`, *optional*, defaults to `False`):
|
| 72 |
+
Whether the model's input and output word embeddings should be tied.
|
| 73 |
+
rope_theta (`float`, *optional*, defaults to 1000000.0):
|
| 74 |
+
The base period of the RoPE embeddings.
|
| 75 |
+
rope_scaling (`dict`, *optional*):
|
| 76 |
+
The scaling strategy for the RoPE embeddings. If `None`, no scaling is applied. If a dictionary, it must
|
| 77 |
+
contain the following keys: `type`, `short_factor`, `long_factor`, `short_mscale`, `long_mscale` and
|
| 78 |
+
`original_max_position_embeddings`. The `type` must be `longrope`, the `short_mscale` and `long_scale` must
|
| 79 |
+
be numbers, the `short_factor` and `long_factor` must be lists of numbers with the same length as half of
|
| 80 |
+
the attention head size and the `original_max_position_embeddings` must be an integer.
|
| 81 |
+
sliding_window (`int`, *optional*):
|
| 82 |
+
Sliding window attention window size. If not specified, will default to `262144`.
|
| 83 |
+
attention_dropout (`float`, *optional*, defaults to 0.0):
|
| 84 |
+
The dropout ratio for the attention probabilities.
|
| 85 |
+
num_experts_per_tok (`int`, *optional*, defaults to 2):
|
| 86 |
+
The number of experts to root per-token, can be also interpreted as the `top-p` routing
|
| 87 |
+
parameter
|
| 88 |
+
num_local_experts (`int`, *optional*, defaults to 16):
|
| 89 |
+
Number of experts per Sparse MLP layer.
|
| 90 |
+
output_router_logits (`bool`, *optional*, defaults to `False`):
|
| 91 |
+
Whether or not the router logits should be returned by the model. Enabling this will also
|
| 92 |
+
allow the model to output the auxiliary loss. See [here]() for more details
|
| 93 |
+
router_aux_loss_coef (`float`, *optional*, defaults to 0.001):
|
| 94 |
+
The aux loss factor for the total loss.
|
| 95 |
+
router_jitter_noise (`float`, *optional*, defaults to 0.01):
|
| 96 |
+
Amount of noise to add to the router.
|
| 97 |
+
input_jitter_noise (`float`, *optional*, defaults to 0.0): Input jitter noise
|
| 98 |
+
attention_bias (`bool`, *optional*, defaults to `False`): Attention bias
|
| 99 |
+
lm_head_bias (`bool`, *optional*, defaults to `False`): LM head bias
|
| 100 |
+
|
| 101 |
+
Example:
|
| 102 |
+
|
| 103 |
+
```python
|
| 104 |
+
>>> from transformers import PhimoeModel, PhimoeConfig
|
| 105 |
+
>>> # Initializing a Phi-3 style configuration
|
| 106 |
+
>>> configuration = PhimoeConfig.from_pretrained("microsoft/Phi-3.5-MoE-instruct")
|
| 107 |
+
>>> # Initializing a model from the configuration
|
| 108 |
+
>>> model = PhimoeModel(configuration)
|
| 109 |
+
>>> # Accessing the model configuration
|
| 110 |
+
>>> configuration = model.config
|
| 111 |
+
```"""
|
| 112 |
+
|
| 113 |
+
model_type = "phimoe"
|
| 114 |
+
keys_to_ignore_at_inference = ["past_key_values"]
|
| 115 |
+
|
| 116 |
+
def __init__(
|
| 117 |
+
self,
|
| 118 |
+
vocab_size=32064,
|
| 119 |
+
hidden_size=4096,
|
| 120 |
+
intermediate_size=6400,
|
| 121 |
+
num_hidden_layers=32,
|
| 122 |
+
num_attention_heads=32,
|
| 123 |
+
num_key_value_heads=8,
|
| 124 |
+
hidden_act="silu",
|
| 125 |
+
max_position_embeddings=4096 * 32,
|
| 126 |
+
initializer_range=0.02,
|
| 127 |
+
rms_norm_eps=1e-5,
|
| 128 |
+
use_cache=True,
|
| 129 |
+
pad_token_id=None,
|
| 130 |
+
bos_token_id=1,
|
| 131 |
+
eos_token_id=2,
|
| 132 |
+
tie_word_embeddings=False,
|
| 133 |
+
rope_theta=1e6,
|
| 134 |
+
rope_scaling=None,
|
| 135 |
+
sliding_window=None,
|
| 136 |
+
attention_dropout=0.0,
|
| 137 |
+
num_experts_per_tok=2,
|
| 138 |
+
num_local_experts=16,
|
| 139 |
+
output_router_logits=False,
|
| 140 |
+
router_aux_loss_coef=0.001,
|
| 141 |
+
router_jitter_noise=0.01,
|
| 142 |
+
input_jitter_noise=0.0,
|
| 143 |
+
attention_bias=False,
|
| 144 |
+
lm_head_bias=False,
|
| 145 |
+
**kwargs,
|
| 146 |
+
):
|
| 147 |
+
self.vocab_size = vocab_size
|
| 148 |
+
self.max_position_embeddings = max_position_embeddings
|
| 149 |
+
self.hidden_size = hidden_size
|
| 150 |
+
self.intermediate_size = intermediate_size
|
| 151 |
+
self.num_hidden_layers = num_hidden_layers
|
| 152 |
+
self.num_attention_heads = num_attention_heads
|
| 153 |
+
self.sliding_window = sliding_window
|
| 154 |
+
self.attention_bias = attention_bias
|
| 155 |
+
self.lm_head_bias = lm_head_bias
|
| 156 |
+
# for backward compatibility
|
| 157 |
+
if num_key_value_heads is None:
|
| 158 |
+
num_key_value_heads = num_attention_heads
|
| 159 |
+
|
| 160 |
+
self.num_key_value_heads = num_key_value_heads
|
| 161 |
+
self.hidden_act = hidden_act
|
| 162 |
+
self.initializer_range = initializer_range
|
| 163 |
+
self.rms_norm_eps = rms_norm_eps
|
| 164 |
+
self.use_cache = use_cache
|
| 165 |
+
self.rope_theta = rope_theta
|
| 166 |
+
self.attention_dropout = attention_dropout
|
| 167 |
+
|
| 168 |
+
self.num_experts_per_tok = num_experts_per_tok
|
| 169 |
+
self.num_local_experts = num_local_experts
|
| 170 |
+
self.output_router_logits = output_router_logits
|
| 171 |
+
self.router_aux_loss_coef = router_aux_loss_coef
|
| 172 |
+
self.router_jitter_noise = router_jitter_noise
|
| 173 |
+
self.input_jitter_noise = input_jitter_noise
|
| 174 |
+
|
| 175 |
+
self.rope_scaling = rope_scaling
|
| 176 |
+
if isinstance(self.rope_scaling, dict):
|
| 177 |
+
if "rope_type" not in self.rope_scaling:
|
| 178 |
+
self.rope_scaling["rope_type"] = self.rope_scaling.get("type", None)
|
| 179 |
+
if "original_max_position_embeddings" in self.rope_scaling:
|
| 180 |
+
self.original_max_position_embeddings = self.rope_scaling["original_max_position_embeddings"]
|
| 181 |
+
rope_scaling_short_mscale = self.rope_scaling.get("short_mscale", None)
|
| 182 |
+
rope_scaling_long_mscale = self.rope_scaling.get("long_mscale", None)
|
| 183 |
+
if not isinstance(rope_scaling_short_mscale, (int, float)):
|
| 184 |
+
raise ValueError(
|
| 185 |
+
f"`rope_scaling`'s short_mscale field must be a number, got {rope_scaling_short_mscale}"
|
| 186 |
+
)
|
| 187 |
+
if not isinstance(rope_scaling_long_mscale, (int, float)):
|
| 188 |
+
raise ValueError(
|
| 189 |
+
f"`rope_scaling`'s long_mscale field must be a number, got {rope_scaling_long_mscale}"
|
| 190 |
+
)
|
| 191 |
+
|
| 192 |
+
rope_config_validation(self)
|
| 193 |
+
|
| 194 |
+
super().__init__(
|
| 195 |
+
pad_token_id=pad_token_id,
|
| 196 |
+
bos_token_id=bos_token_id,
|
| 197 |
+
eos_token_id=eos_token_id,
|
| 198 |
+
tie_word_embeddings=tie_word_embeddings,
|
| 199 |
+
**kwargs,
|
| 200 |
+
)
|
| 201 |
+
|
| 202 |
+
|
| 203 |
+
__all__ = ["PhimoeConfig"]
|
docs/transformers/build/lib/transformers/models/phimoe/modeling_phimoe.py
ADDED
|
@@ -0,0 +1,1627 @@
|
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|
| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright 2024 Microsoft and the HuggingFace Inc. team. All rights reserved.
|
| 3 |
+
#
|
| 4 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 5 |
+
# you may not use this file except in compliance with the License.
|
| 6 |
+
# You may obtain a copy of the License at
|
| 7 |
+
#
|
| 8 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 9 |
+
#
|
| 10 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 11 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 12 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 13 |
+
# See the License for the specific language governing permissions and
|
| 14 |
+
# limitations under the License.
|
| 15 |
+
|
| 16 |
+
"""PyTorch Phimoe model."""
|
| 17 |
+
|
| 18 |
+
import math
|
| 19 |
+
from typing import List, Optional, Tuple, Union
|
| 20 |
+
|
| 21 |
+
import torch
|
| 22 |
+
import torch.utils.checkpoint
|
| 23 |
+
from torch import nn
|
| 24 |
+
|
| 25 |
+
from ...activations import ACT2FN
|
| 26 |
+
from ...cache_utils import Cache, DynamicCache, SlidingWindowCache, StaticCache
|
| 27 |
+
from ...generation import GenerationMixin
|
| 28 |
+
from ...modeling_attn_mask_utils import AttentionMaskConverter, _prepare_4d_causal_attention_mask
|
| 29 |
+
from ...modeling_flash_attention_utils import is_flash_attn_available
|
| 30 |
+
from ...modeling_outputs import (
|
| 31 |
+
MoeCausalLMOutputWithPast,
|
| 32 |
+
MoeModelOutputWithPast,
|
| 33 |
+
SequenceClassifierOutputWithPast,
|
| 34 |
+
)
|
| 35 |
+
from ...modeling_rope_utils import ROPE_INIT_FUNCTIONS
|
| 36 |
+
from ...modeling_utils import PreTrainedModel
|
| 37 |
+
from ...utils import (
|
| 38 |
+
add_start_docstrings,
|
| 39 |
+
add_start_docstrings_to_model_forward,
|
| 40 |
+
can_return_tuple,
|
| 41 |
+
is_torch_flex_attn_available,
|
| 42 |
+
logging,
|
| 43 |
+
replace_return_docstrings,
|
| 44 |
+
)
|
| 45 |
+
from .configuration_phimoe import PhimoeConfig
|
| 46 |
+
|
| 47 |
+
|
| 48 |
+
if is_flash_attn_available():
|
| 49 |
+
from ...modeling_flash_attention_utils import _flash_attention_forward
|
| 50 |
+
|
| 51 |
+
if is_torch_flex_attn_available():
|
| 52 |
+
from torch.nn.attention.flex_attention import BlockMask
|
| 53 |
+
|
| 54 |
+
from ...integrations.flex_attention import make_flex_block_causal_mask
|
| 55 |
+
|
| 56 |
+
|
| 57 |
+
# This makes `_prepare_4d_causal_attention_mask` a leaf function in the FX graph.
|
| 58 |
+
# It means that the function will not be traced through and simply appear as a node in the graph.
|
| 59 |
+
_prepare_4d_causal_attention_mask = torch.fx.wrap(_prepare_4d_causal_attention_mask)
|
| 60 |
+
|
| 61 |
+
|
| 62 |
+
logger = logging.get_logger(__name__)
|
| 63 |
+
|
| 64 |
+
_CONFIG_FOR_DOC = "PhimoeConfig"
|
| 65 |
+
|
| 66 |
+
|
| 67 |
+
# Copied from transformers.models.mixtral.modeling_mixtral.load_balancing_loss_func
|
| 68 |
+
def load_balancing_loss_func(
|
| 69 |
+
gate_logits: Union[torch.Tensor, Tuple[torch.Tensor], None],
|
| 70 |
+
num_experts: Optional[int] = None,
|
| 71 |
+
top_k=2,
|
| 72 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 73 |
+
) -> Union[torch.Tensor, int]:
|
| 74 |
+
r"""
|
| 75 |
+
Computes auxiliary load balancing loss as in Switch Transformer - implemented in Pytorch.
|
| 76 |
+
|
| 77 |
+
See Switch Transformer (https://arxiv.org/abs/2101.03961) for more details. This function implements the loss
|
| 78 |
+
function presented in equations (4) - (6) of the paper. It aims at penalizing cases where the routing between
|
| 79 |
+
experts is too unbalanced.
|
| 80 |
+
|
| 81 |
+
Args:
|
| 82 |
+
gate_logits:
|
| 83 |
+
Logits from the `gate`, should be a tuple of model.config.num_hidden_layers tensors of
|
| 84 |
+
shape [batch_size X sequence_length, num_experts].
|
| 85 |
+
num_experts:
|
| 86 |
+
Number of experts
|
| 87 |
+
top_k:
|
| 88 |
+
The number of experts to route per-token, can be also interpreted as the `top-k` routing
|
| 89 |
+
parameter.
|
| 90 |
+
attention_mask (`torch.Tensor`, *optional*):
|
| 91 |
+
The attention_mask used in forward function
|
| 92 |
+
shape [batch_size X sequence_length] if not None.
|
| 93 |
+
|
| 94 |
+
Returns:
|
| 95 |
+
The auxiliary loss.
|
| 96 |
+
"""
|
| 97 |
+
if gate_logits is None or not isinstance(gate_logits, tuple):
|
| 98 |
+
return 0
|
| 99 |
+
|
| 100 |
+
if isinstance(gate_logits, tuple):
|
| 101 |
+
compute_device = gate_logits[0].device
|
| 102 |
+
concatenated_gate_logits = torch.cat([layer_gate.to(compute_device) for layer_gate in gate_logits], dim=0)
|
| 103 |
+
|
| 104 |
+
routing_weights = torch.nn.functional.softmax(concatenated_gate_logits, dim=-1)
|
| 105 |
+
|
| 106 |
+
_, selected_experts = torch.topk(routing_weights, top_k, dim=-1)
|
| 107 |
+
|
| 108 |
+
expert_mask = torch.nn.functional.one_hot(selected_experts, num_experts)
|
| 109 |
+
|
| 110 |
+
if attention_mask is None:
|
| 111 |
+
# Compute the percentage of tokens routed to each experts
|
| 112 |
+
tokens_per_expert = torch.mean(expert_mask.float(), dim=0)
|
| 113 |
+
|
| 114 |
+
# Compute the average probability of routing to these experts
|
| 115 |
+
router_prob_per_expert = torch.mean(routing_weights, dim=0)
|
| 116 |
+
else:
|
| 117 |
+
batch_size, sequence_length = attention_mask.shape
|
| 118 |
+
num_hidden_layers = concatenated_gate_logits.shape[0] // (batch_size * sequence_length)
|
| 119 |
+
|
| 120 |
+
# Compute the mask that masks all padding tokens as 0 with the same shape of expert_mask
|
| 121 |
+
expert_attention_mask = (
|
| 122 |
+
attention_mask[None, :, :, None, None]
|
| 123 |
+
.expand((num_hidden_layers, batch_size, sequence_length, top_k, num_experts))
|
| 124 |
+
.reshape(-1, top_k, num_experts)
|
| 125 |
+
.to(compute_device)
|
| 126 |
+
)
|
| 127 |
+
|
| 128 |
+
# Compute the percentage of tokens routed to each experts
|
| 129 |
+
tokens_per_expert = torch.sum(expert_mask.float() * expert_attention_mask, dim=0) / torch.sum(
|
| 130 |
+
expert_attention_mask, dim=0
|
| 131 |
+
)
|
| 132 |
+
|
| 133 |
+
# Compute the mask that masks all padding tokens as 0 with the same shape of tokens_per_expert
|
| 134 |
+
router_per_expert_attention_mask = (
|
| 135 |
+
attention_mask[None, :, :, None]
|
| 136 |
+
.expand((num_hidden_layers, batch_size, sequence_length, num_experts))
|
| 137 |
+
.reshape(-1, num_experts)
|
| 138 |
+
.to(compute_device)
|
| 139 |
+
)
|
| 140 |
+
|
| 141 |
+
# Compute the average probability of routing to these experts
|
| 142 |
+
router_prob_per_expert = torch.sum(routing_weights * router_per_expert_attention_mask, dim=0) / torch.sum(
|
| 143 |
+
router_per_expert_attention_mask, dim=0
|
| 144 |
+
)
|
| 145 |
+
|
| 146 |
+
overall_loss = torch.sum(tokens_per_expert * router_prob_per_expert.unsqueeze(0))
|
| 147 |
+
return overall_loss * num_experts
|
| 148 |
+
|
| 149 |
+
|
| 150 |
+
class PhimoeRotaryEmbedding(nn.Module):
|
| 151 |
+
def __init__(
|
| 152 |
+
self,
|
| 153 |
+
config: Optional[PhimoeConfig] = None,
|
| 154 |
+
):
|
| 155 |
+
super().__init__()
|
| 156 |
+
|
| 157 |
+
self.config = config
|
| 158 |
+
if config.rope_scaling is not None:
|
| 159 |
+
self.rope_type = config.rope_scaling.get("rope_type", config.rope_scaling.get("type"))
|
| 160 |
+
self.short_mscale = config.rope_scaling.get("short_mscale")
|
| 161 |
+
self.long_mscale = config.rope_scaling.get("long_mscale")
|
| 162 |
+
else:
|
| 163 |
+
self.rope_type = "default"
|
| 164 |
+
self.rope_init_fn = ROPE_INIT_FUNCTIONS[self.rope_type]
|
| 165 |
+
|
| 166 |
+
def forward(self, x, seq_len=None):
|
| 167 |
+
mscale = None
|
| 168 |
+
if self.config.rope_scaling and seq_len:
|
| 169 |
+
mscale = (
|
| 170 |
+
self.long_mscale
|
| 171 |
+
if seq_len > self.config.rope_scaling["original_max_position_embeddings"]
|
| 172 |
+
else self.short_mscale
|
| 173 |
+
)
|
| 174 |
+
inv_freq, attention_scaling = self.rope_init_fn(self.config, x.device, seq_len)
|
| 175 |
+
mscale = attention_scaling if mscale is None else mscale
|
| 176 |
+
t = torch.arange(seq_len, device=x.device, dtype=torch.float32)
|
| 177 |
+
freqs = torch.outer(t, inv_freq)
|
| 178 |
+
|
| 179 |
+
emb = torch.cat((freqs, freqs), dim=-1)
|
| 180 |
+
return (emb.cos() * mscale).to(x.dtype), (emb.sin() * mscale).to(x.dtype)
|
| 181 |
+
|
| 182 |
+
|
| 183 |
+
# Copied from transformers.models.llama.modeling_llama.rotate_half
|
| 184 |
+
def rotate_half(x):
|
| 185 |
+
"""Rotates half the hidden dims of the input."""
|
| 186 |
+
x1 = x[..., : x.shape[-1] // 2]
|
| 187 |
+
x2 = x[..., x.shape[-1] // 2 :]
|
| 188 |
+
return torch.cat((-x2, x1), dim=-1)
|
| 189 |
+
|
| 190 |
+
|
| 191 |
+
def apply_rotary_pos_emb(q, k, cos, sin, position_ids, unsqueeze_dim=1):
|
| 192 |
+
"""Applies Rotary Position Embedding to the query and key tensors.
|
| 193 |
+
|
| 194 |
+
Args:
|
| 195 |
+
q (`torch.Tensor`): The query tensor.
|
| 196 |
+
k (`torch.Tensor`): The key tensor.
|
| 197 |
+
cos (`torch.Tensor`): The cosine part of the rotary embedding.
|
| 198 |
+
sin (`torch.Tensor`): The sine part of the rotary embedding.
|
| 199 |
+
position_ids (`torch.Tensor`):
|
| 200 |
+
The position indices of the tokens corresponding to the query and key tensors. For example, this can be
|
| 201 |
+
used to pass offsetted position ids when working with a KV-cache.
|
| 202 |
+
unsqueeze_dim (`int`, *optional*, defaults to 1):
|
| 203 |
+
The 'unsqueeze_dim' argument specifies the dimension along which to unsqueeze cos[position_ids] and
|
| 204 |
+
sin[position_ids] so that they can be properly broadcasted to the dimensions of q and k. For example, note
|
| 205 |
+
that cos[position_ids] and sin[position_ids] have the shape [batch_size, seq_len, head_dim]. Then, if q and
|
| 206 |
+
k have the shape [batch_size, heads, seq_len, head_dim], then setting unsqueeze_dim=1 makes
|
| 207 |
+
cos[position_ids] and sin[position_ids] broadcastable to the shapes of q and k. Similarly, if q and k have
|
| 208 |
+
the shape [batch_size, seq_len, heads, head_dim], then set unsqueeze_dim=2.
|
| 209 |
+
Returns:
|
| 210 |
+
`tuple(torch.Tensor)` comprising of the query and key tensors rotated using the Rotary Position Embedding.
|
| 211 |
+
"""
|
| 212 |
+
cos = cos[position_ids].unsqueeze(unsqueeze_dim)
|
| 213 |
+
sin = sin[position_ids].unsqueeze(unsqueeze_dim)
|
| 214 |
+
q_embed = (q * cos) + (rotate_half(q) * sin)
|
| 215 |
+
k_embed = (k * cos) + (rotate_half(k) * sin)
|
| 216 |
+
return q_embed, k_embed
|
| 217 |
+
|
| 218 |
+
|
| 219 |
+
# Copied from transformers.models.llama.modeling_llama.repeat_kv
|
| 220 |
+
def repeat_kv(hidden_states: torch.Tensor, n_rep: int) -> torch.Tensor:
|
| 221 |
+
"""
|
| 222 |
+
This is the equivalent of torch.repeat_interleave(x, dim=1, repeats=n_rep). The hidden states go from (batch,
|
| 223 |
+
num_key_value_heads, seqlen, head_dim) to (batch, num_attention_heads, seqlen, head_dim)
|
| 224 |
+
"""
|
| 225 |
+
batch, num_key_value_heads, slen, head_dim = hidden_states.shape
|
| 226 |
+
if n_rep == 1:
|
| 227 |
+
return hidden_states
|
| 228 |
+
hidden_states = hidden_states[:, :, None, :, :].expand(batch, num_key_value_heads, n_rep, slen, head_dim)
|
| 229 |
+
return hidden_states.reshape(batch, num_key_value_heads * n_rep, slen, head_dim)
|
| 230 |
+
|
| 231 |
+
|
| 232 |
+
class PhimoeAttention(nn.Module):
|
| 233 |
+
"""
|
| 234 |
+
Multi-headed attention from 'Attention Is All You Need' paper. Modified to use sliding window attention: Longformer
|
| 235 |
+
and "Generating Long Sequences with Sparse Transformers".
|
| 236 |
+
"""
|
| 237 |
+
|
| 238 |
+
def __init__(self, config: PhimoeConfig, layer_idx: Optional[int] = None):
|
| 239 |
+
super().__init__()
|
| 240 |
+
self.config = config
|
| 241 |
+
self.layer_idx = layer_idx
|
| 242 |
+
if layer_idx is None:
|
| 243 |
+
logger.warning_once(
|
| 244 |
+
f"Instantiating {self.__class__.__name__} without passing a `layer_idx` is not recommended and will "
|
| 245 |
+
"lead to errors during the forward call if caching is used. Please make sure to provide a `layer_idx` "
|
| 246 |
+
"when creating this class."
|
| 247 |
+
)
|
| 248 |
+
|
| 249 |
+
self.hidden_size = config.hidden_size
|
| 250 |
+
self.num_heads = config.num_attention_heads
|
| 251 |
+
self.head_dim = self.hidden_size // self.num_heads
|
| 252 |
+
self.num_key_value_heads = config.num_key_value_heads
|
| 253 |
+
self.num_key_value_groups = self.num_heads // self.num_key_value_heads
|
| 254 |
+
self.max_position_embeddings = config.max_position_embeddings
|
| 255 |
+
self.rope_theta = config.rope_theta
|
| 256 |
+
self.is_causal = True
|
| 257 |
+
self.attention_dropout = config.attention_dropout
|
| 258 |
+
|
| 259 |
+
if (self.head_dim * self.num_heads) != self.hidden_size:
|
| 260 |
+
raise ValueError(
|
| 261 |
+
f"hidden_size must be divisible by num_heads (got `hidden_size`: {self.hidden_size}"
|
| 262 |
+
f" and `num_heads`: {self.num_heads})."
|
| 263 |
+
)
|
| 264 |
+
self.q_proj = nn.Linear(self.hidden_size, self.num_heads * self.head_dim, bias=self.config.attention_bias)
|
| 265 |
+
self.k_proj = nn.Linear(
|
| 266 |
+
self.hidden_size, self.num_key_value_heads * self.head_dim, bias=self.config.attention_bias
|
| 267 |
+
)
|
| 268 |
+
self.v_proj = nn.Linear(
|
| 269 |
+
self.hidden_size, self.num_key_value_heads * self.head_dim, bias=self.config.attention_bias
|
| 270 |
+
)
|
| 271 |
+
self.o_proj = nn.Linear(self.num_heads * self.head_dim, self.hidden_size, bias=self.config.attention_bias)
|
| 272 |
+
|
| 273 |
+
def _shape(self, tensor: torch.Tensor, seq_len: int, bsz: int):
|
| 274 |
+
return tensor.view(bsz, seq_len, self.num_heads, self.head_dim).transpose(1, 2).contiguous()
|
| 275 |
+
|
| 276 |
+
def forward(
|
| 277 |
+
self,
|
| 278 |
+
hidden_states: torch.Tensor,
|
| 279 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 280 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 281 |
+
past_key_value: Optional[Cache] = None,
|
| 282 |
+
output_attentions: bool = False,
|
| 283 |
+
use_cache: bool = False,
|
| 284 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 285 |
+
position_embeddings: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
|
| 286 |
+
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
|
| 287 |
+
bsz, q_len, _ = hidden_states.size()
|
| 288 |
+
|
| 289 |
+
query_states = self.q_proj(hidden_states)
|
| 290 |
+
key_states = self.k_proj(hidden_states)
|
| 291 |
+
value_states = self.v_proj(hidden_states)
|
| 292 |
+
|
| 293 |
+
query_states = query_states.view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
|
| 294 |
+
key_states = key_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
| 295 |
+
value_states = value_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
| 296 |
+
|
| 297 |
+
cos, sin = position_embeddings
|
| 298 |
+
query_states, key_states = apply_rotary_pos_emb(query_states, key_states, cos, sin, position_ids)
|
| 299 |
+
|
| 300 |
+
if past_key_value is not None:
|
| 301 |
+
cache_kwargs = {"sin": sin, "cos": cos, "cache_position": cache_position} # Specific to RoPE models
|
| 302 |
+
key_states, value_states = past_key_value.update(key_states, value_states, self.layer_idx, cache_kwargs)
|
| 303 |
+
|
| 304 |
+
# repeat k/v heads if n_kv_heads < n_heads
|
| 305 |
+
key_states = repeat_kv(key_states, self.num_key_value_groups)
|
| 306 |
+
value_states = repeat_kv(value_states, self.num_key_value_groups)
|
| 307 |
+
|
| 308 |
+
attn_weights = torch.matmul(query_states, key_states.transpose(2, 3)) / math.sqrt(self.head_dim)
|
| 309 |
+
|
| 310 |
+
if attention_mask is not None: # no matter the length, we just slice it
|
| 311 |
+
causal_mask = attention_mask[:, :, :, : key_states.shape[-2]]
|
| 312 |
+
attn_weights = attn_weights + causal_mask
|
| 313 |
+
|
| 314 |
+
# upcast attention to fp32
|
| 315 |
+
attn_weights = nn.functional.softmax(attn_weights, dim=-1, dtype=torch.float32).to(query_states.dtype)
|
| 316 |
+
attn_weights = nn.functional.dropout(attn_weights, p=self.attention_dropout, training=self.training)
|
| 317 |
+
attn_output = torch.matmul(attn_weights, value_states)
|
| 318 |
+
|
| 319 |
+
if attn_output.size() != (bsz, self.num_heads, q_len, self.head_dim):
|
| 320 |
+
raise ValueError(
|
| 321 |
+
f"`attn_output` should be of size {(bsz, self.num_heads, q_len, self.head_dim)}, but is"
|
| 322 |
+
f" {attn_output.size()}"
|
| 323 |
+
)
|
| 324 |
+
|
| 325 |
+
attn_output = attn_output.transpose(1, 2).contiguous()
|
| 326 |
+
|
| 327 |
+
attn_output = attn_output.reshape(bsz, q_len, self.hidden_size)
|
| 328 |
+
|
| 329 |
+
attn_output = self.o_proj(attn_output)
|
| 330 |
+
|
| 331 |
+
if not output_attentions:
|
| 332 |
+
attn_weights = None
|
| 333 |
+
|
| 334 |
+
return attn_output, attn_weights, past_key_value
|
| 335 |
+
|
| 336 |
+
|
| 337 |
+
class PhimoeFlashAttention2(PhimoeAttention):
|
| 338 |
+
"""
|
| 339 |
+
Phimoe flash attention module. This module inherits from `PhimoeAttention` as the weights of the module stays
|
| 340 |
+
untouched. The only required change would be on the forward pass where it needs to correctly call the public API of
|
| 341 |
+
flash attention and deal with padding tokens in case the input contains any of them.
|
| 342 |
+
"""
|
| 343 |
+
|
| 344 |
+
def forward(
|
| 345 |
+
self,
|
| 346 |
+
hidden_states: torch.Tensor,
|
| 347 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 348 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 349 |
+
past_key_value: Optional[Cache] = None,
|
| 350 |
+
output_attentions: bool = False,
|
| 351 |
+
use_cache: bool = False,
|
| 352 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 353 |
+
position_embeddings: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
|
| 354 |
+
):
|
| 355 |
+
bsz, q_len, _ = hidden_states.size()
|
| 356 |
+
|
| 357 |
+
query_states = self.q_proj(hidden_states)
|
| 358 |
+
key_states = self.k_proj(hidden_states)
|
| 359 |
+
value_states = self.v_proj(hidden_states)
|
| 360 |
+
|
| 361 |
+
query_states = query_states.view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
|
| 362 |
+
key_states = key_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
| 363 |
+
value_states = value_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
| 364 |
+
|
| 365 |
+
kv_seq_len = key_states.shape[-2]
|
| 366 |
+
if past_key_value is not None:
|
| 367 |
+
kv_seq_len += past_key_value.get_usable_length(kv_seq_len, self.layer_idx)
|
| 368 |
+
|
| 369 |
+
cos, sin = position_embeddings
|
| 370 |
+
query_states, key_states = apply_rotary_pos_emb(query_states, key_states, cos, sin, position_ids)
|
| 371 |
+
|
| 372 |
+
if past_key_value is not None:
|
| 373 |
+
cache_kwargs = {"sin": sin, "cos": cos, "cache_position": cache_position} # Specific to RoPE models
|
| 374 |
+
key_states, value_states = past_key_value.update(key_states, value_states, self.layer_idx, cache_kwargs)
|
| 375 |
+
|
| 376 |
+
# repeat k/v heads if n_kv_heads < n_heads
|
| 377 |
+
key_states = repeat_kv(key_states, self.num_key_value_groups)
|
| 378 |
+
value_states = repeat_kv(value_states, self.num_key_value_groups)
|
| 379 |
+
dropout_rate = 0.0 if not self.training else self.attention_dropout
|
| 380 |
+
|
| 381 |
+
# In PEFT, usually we cast the layer norms in float32 for training stability reasons
|
| 382 |
+
# therefore the input hidden states gets silently casted in float32. Hence, we need
|
| 383 |
+
# cast them back in float16 just to be sure everything works as expected.
|
| 384 |
+
input_dtype = query_states.dtype
|
| 385 |
+
if input_dtype == torch.float32:
|
| 386 |
+
if torch.is_autocast_enabled():
|
| 387 |
+
target_dtype = torch.get_autocast_gpu_dtype()
|
| 388 |
+
# Handle the case where the model is quantized
|
| 389 |
+
elif hasattr(self.config, "_pre_quantization_dtype"):
|
| 390 |
+
target_dtype = self.config._pre_quantization_dtype
|
| 391 |
+
else:
|
| 392 |
+
target_dtype = self.q_proj.weight.dtype
|
| 393 |
+
|
| 394 |
+
logger.warning_once(
|
| 395 |
+
f"The input hidden states seems to be silently casted in float32, this might be related to"
|
| 396 |
+
f" the fact you have upcasted embedding or layer norm layers in float32. We will cast back the input in"
|
| 397 |
+
f" {target_dtype}."
|
| 398 |
+
)
|
| 399 |
+
|
| 400 |
+
query_states = query_states.to(target_dtype)
|
| 401 |
+
key_states = key_states.to(target_dtype)
|
| 402 |
+
value_states = value_states.to(target_dtype)
|
| 403 |
+
|
| 404 |
+
# Reashape to the expected shape for Flash Attention
|
| 405 |
+
query_states = query_states.transpose(1, 2)
|
| 406 |
+
key_states = key_states.transpose(1, 2)
|
| 407 |
+
value_states = value_states.transpose(1, 2)
|
| 408 |
+
|
| 409 |
+
attn_output = _flash_attention_forward(
|
| 410 |
+
query_states,
|
| 411 |
+
key_states,
|
| 412 |
+
value_states,
|
| 413 |
+
attention_mask,
|
| 414 |
+
q_len,
|
| 415 |
+
position_ids=position_ids,
|
| 416 |
+
dropout=dropout_rate,
|
| 417 |
+
sliding_window=getattr(self.config, "sliding_window", None),
|
| 418 |
+
is_causal=self.is_causal,
|
| 419 |
+
)
|
| 420 |
+
|
| 421 |
+
attn_output = attn_output.reshape(bsz, q_len, self.hidden_size).contiguous()
|
| 422 |
+
attn_output = self.o_proj(attn_output)
|
| 423 |
+
|
| 424 |
+
if not output_attentions:
|
| 425 |
+
attn_weights = None
|
| 426 |
+
|
| 427 |
+
return attn_output, attn_weights, past_key_value
|
| 428 |
+
|
| 429 |
+
|
| 430 |
+
class PhimoeSdpaAttention(PhimoeAttention):
|
| 431 |
+
"""
|
| 432 |
+
Phimoe attention module using torch.nn.functional.scaled_dot_product_attention. This module inherits from
|
| 433 |
+
`PhimoeAttention` as the weights of the module stays untouched. The only changes are on the forward pass to adapt to
|
| 434 |
+
SDPA API.
|
| 435 |
+
"""
|
| 436 |
+
|
| 437 |
+
# Adapted from PhimoeAttention.forward
|
| 438 |
+
def forward(
|
| 439 |
+
self,
|
| 440 |
+
hidden_states: torch.Tensor,
|
| 441 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 442 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 443 |
+
past_key_value: Optional[Cache] = None,
|
| 444 |
+
output_attentions: bool = False,
|
| 445 |
+
use_cache: bool = False,
|
| 446 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 447 |
+
position_embeddings: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
|
| 448 |
+
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
|
| 449 |
+
if output_attentions:
|
| 450 |
+
# TODO: Improve this warning with e.g. `model.config.attn_implementation = "manual"` once this is implemented.
|
| 451 |
+
logger.warning_once(
|
| 452 |
+
"PhimoeModel is using PhimoeSdpaAttention, but `torch.nn.functional.scaled_dot_product_attention` does not support `output_attentions=True`. Falling back to the manual attention implementation, "
|
| 453 |
+
'but specifying the manual implementation will be required from Transformers version v5.0.0 onwards. This warning can be removed using the argument `attn_implementation="eager"` when loading the model.'
|
| 454 |
+
)
|
| 455 |
+
return super().forward(
|
| 456 |
+
hidden_states=hidden_states,
|
| 457 |
+
attention_mask=attention_mask,
|
| 458 |
+
position_ids=position_ids,
|
| 459 |
+
past_key_value=past_key_value,
|
| 460 |
+
output_attentions=output_attentions,
|
| 461 |
+
use_cache=use_cache,
|
| 462 |
+
position_embeddings=position_embeddings,
|
| 463 |
+
)
|
| 464 |
+
|
| 465 |
+
bsz, q_len, _ = hidden_states.size()
|
| 466 |
+
|
| 467 |
+
query_states = self.q_proj(hidden_states)
|
| 468 |
+
key_states = self.k_proj(hidden_states)
|
| 469 |
+
value_states = self.v_proj(hidden_states)
|
| 470 |
+
|
| 471 |
+
query_states = query_states.view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
|
| 472 |
+
key_states = key_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
| 473 |
+
value_states = value_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
| 474 |
+
|
| 475 |
+
cos, sin = position_embeddings
|
| 476 |
+
query_states, key_states = apply_rotary_pos_emb(query_states, key_states, cos, sin, position_ids)
|
| 477 |
+
|
| 478 |
+
if past_key_value is not None:
|
| 479 |
+
cache_kwargs = {"sin": sin, "cos": cos, "cache_position": cache_position} # Specific to RoPE models
|
| 480 |
+
key_states, value_states = past_key_value.update(key_states, value_states, self.layer_idx, cache_kwargs)
|
| 481 |
+
|
| 482 |
+
key_states = repeat_kv(key_states, self.num_key_value_groups)
|
| 483 |
+
value_states = repeat_kv(value_states, self.num_key_value_groups)
|
| 484 |
+
|
| 485 |
+
causal_mask = attention_mask
|
| 486 |
+
if attention_mask is not None: # no matter the length, we just slice it
|
| 487 |
+
causal_mask = attention_mask[:, :, :, : key_states.shape[-2]]
|
| 488 |
+
|
| 489 |
+
# SDPA with memory-efficient backend is currently (torch==2.1.2) bugged with non-contiguous inputs with custom attn_mask,
|
| 490 |
+
# Reference: https://github.com/pytorch/pytorch/issues/112577.
|
| 491 |
+
if query_states.device.type == "cuda" and attention_mask is not None:
|
| 492 |
+
query_states = query_states.contiguous()
|
| 493 |
+
key_states = key_states.contiguous()
|
| 494 |
+
value_states = value_states.contiguous()
|
| 495 |
+
|
| 496 |
+
# We dispatch to SDPA's Flash Attention or Efficient kernels via this `is_causal` if statement instead of an inline conditional assignment
|
| 497 |
+
# in SDPA to support both torch.compile's dynamic shapes and full graph options. An inline conditional prevents dynamic shapes from compiling.
|
| 498 |
+
# The q_len > 1 is necessary to match with AttentionMaskConverter.to_causal_4d that does not create a causal mask in case q_len == 1.
|
| 499 |
+
is_causal = True if causal_mask is None and q_len > 1 else False
|
| 500 |
+
|
| 501 |
+
attn_output = torch.nn.functional.scaled_dot_product_attention(
|
| 502 |
+
query_states,
|
| 503 |
+
key_states,
|
| 504 |
+
value_states,
|
| 505 |
+
attn_mask=causal_mask,
|
| 506 |
+
dropout_p=self.attention_dropout if self.training else 0.0,
|
| 507 |
+
is_causal=is_causal,
|
| 508 |
+
)
|
| 509 |
+
|
| 510 |
+
attn_output = attn_output.transpose(1, 2).contiguous()
|
| 511 |
+
attn_output = attn_output.view(bsz, q_len, self.hidden_size)
|
| 512 |
+
|
| 513 |
+
attn_output = self.o_proj(attn_output)
|
| 514 |
+
|
| 515 |
+
return attn_output, None, past_key_value
|
| 516 |
+
|
| 517 |
+
|
| 518 |
+
PHIMOE_ATTENTION_CLASSES = {
|
| 519 |
+
"eager": PhimoeAttention,
|
| 520 |
+
"flash_attention_2": PhimoeFlashAttention2,
|
| 521 |
+
"sdpa": PhimoeSdpaAttention,
|
| 522 |
+
}
|
| 523 |
+
|
| 524 |
+
|
| 525 |
+
# Copied from transformers.models.mixtral.modeling_mixtral.MixtralBlockSparseTop2MLP with Mixtral->Phimoe
|
| 526 |
+
class PhimoeBlockSparseTop2MLP(nn.Module):
|
| 527 |
+
def __init__(self, config: PhimoeConfig):
|
| 528 |
+
super().__init__()
|
| 529 |
+
self.ffn_dim = config.intermediate_size
|
| 530 |
+
self.hidden_dim = config.hidden_size
|
| 531 |
+
|
| 532 |
+
self.w1 = nn.Linear(self.hidden_dim, self.ffn_dim, bias=False)
|
| 533 |
+
self.w2 = nn.Linear(self.ffn_dim, self.hidden_dim, bias=False)
|
| 534 |
+
self.w3 = nn.Linear(self.hidden_dim, self.ffn_dim, bias=False)
|
| 535 |
+
|
| 536 |
+
self.act_fn = ACT2FN[config.hidden_act]
|
| 537 |
+
|
| 538 |
+
def forward(self, hidden_states):
|
| 539 |
+
current_hidden_states = self.act_fn(self.w1(hidden_states)) * self.w3(hidden_states)
|
| 540 |
+
current_hidden_states = self.w2(current_hidden_states)
|
| 541 |
+
return current_hidden_states
|
| 542 |
+
|
| 543 |
+
|
| 544 |
+
class MultiplierProcessor(torch.autograd.Function):
|
| 545 |
+
@staticmethod
|
| 546 |
+
def forward(
|
| 547 |
+
ctx,
|
| 548 |
+
scores: torch.Tensor,
|
| 549 |
+
multiplier: torch.Tensor,
|
| 550 |
+
selected_experts: torch.Tensor,
|
| 551 |
+
masked_gates: torch.Tensor,
|
| 552 |
+
mask_for_one: torch.Tensor,
|
| 553 |
+
):
|
| 554 |
+
"""
|
| 555 |
+
Forward pass for the custom autograd function.
|
| 556 |
+
|
| 557 |
+
Args:
|
| 558 |
+
ctx: Context object to save information for backward computation.
|
| 559 |
+
scores (torch.Tensor): Input scores tensor.
|
| 560 |
+
multiplier (torch.Tensor): Multiplier tensor.
|
| 561 |
+
selected_experts (torch.Tensor): Tensor of selected experts.
|
| 562 |
+
masked_gates (torch.Tensor): Masked gates tensor.
|
| 563 |
+
mask_for_one (torch.Tensor): Mask for one tensor.
|
| 564 |
+
|
| 565 |
+
Returns:
|
| 566 |
+
torch.Tensor: Result of the forward pass.
|
| 567 |
+
"""
|
| 568 |
+
ctx.save_for_backward(multiplier, selected_experts, masked_gates)
|
| 569 |
+
return multiplier * mask_for_one
|
| 570 |
+
|
| 571 |
+
@staticmethod
|
| 572 |
+
def backward(
|
| 573 |
+
ctx,
|
| 574 |
+
grad_at_output: torch.Tensor,
|
| 575 |
+
):
|
| 576 |
+
"""
|
| 577 |
+
Backward pass for the custom autograd function.
|
| 578 |
+
|
| 579 |
+
Args:
|
| 580 |
+
ctx: Context object with saved tensors from the forward pass.
|
| 581 |
+
grad_at_output (torch.Tensor): Gradient at the output.
|
| 582 |
+
|
| 583 |
+
Returns:
|
| 584 |
+
Tuple[torch.Tensor, None, None, None, None]: Gradients for the inputs.
|
| 585 |
+
"""
|
| 586 |
+
multiplier, selected_experts, masked_gates = ctx.saved_tensors
|
| 587 |
+
|
| 588 |
+
grad_at_output = grad_at_output * multiplier
|
| 589 |
+
|
| 590 |
+
grad_at_scores_expanded = masked_gates * grad_at_output.mul(-1)
|
| 591 |
+
grad_at_scores_expanded.scatter_add_(
|
| 592 |
+
dim=-1,
|
| 593 |
+
index=selected_experts,
|
| 594 |
+
src=grad_at_output,
|
| 595 |
+
)
|
| 596 |
+
|
| 597 |
+
return (
|
| 598 |
+
grad_at_scores_expanded,
|
| 599 |
+
None,
|
| 600 |
+
None,
|
| 601 |
+
None,
|
| 602 |
+
None,
|
| 603 |
+
)
|
| 604 |
+
|
| 605 |
+
|
| 606 |
+
def sparsemixer(scores, jitter_eps, training, top_k=2):
|
| 607 |
+
"""
|
| 608 |
+
Sparse mixer function to select top-k experts and compute multipliers.
|
| 609 |
+
Based on the paper: https://arxiv.org/pdf/2409.12136
|
| 610 |
+
We first replace the TopK(·) function as random sampling of discrete variables
|
| 611 |
+
in model training. Then, following Liu et al. (2023a) and Liu et al. (2023b), we apply Heun's
|
| 612 |
+
third order method to approximate the expert routing gradient and construct a modified
|
| 613 |
+
back-propagation to give a mathematically sound gradient estimation for expert routing.
|
| 614 |
+
|
| 615 |
+
Args:
|
| 616 |
+
scores (torch.Tensor): Input scores tensor.
|
| 617 |
+
jitter_eps (float): Jitter epsilon for numerical stability.
|
| 618 |
+
training (bool): Flag indicating if the model is in training mode.
|
| 619 |
+
top_k (int): Number of top experts to select.
|
| 620 |
+
|
| 621 |
+
Returns:
|
| 622 |
+
Tuple[torch.Tensor, torch.Tensor]: Multiplier and selected experts tensors.
|
| 623 |
+
"""
|
| 624 |
+
if top_k != 2:
|
| 625 |
+
raise ValueError("top_k must be equal to 2")
|
| 626 |
+
|
| 627 |
+
# first expert
|
| 628 |
+
|
| 629 |
+
with torch.no_grad():
|
| 630 |
+
# Compute mask for sparsity
|
| 631 |
+
mask_logits_threshold, max_ind = scores.max(dim=-1, keepdim=True)
|
| 632 |
+
factor = scores.abs().clamp(min=mask_logits_threshold)
|
| 633 |
+
mask_logits_threshold = ((mask_logits_threshold - scores) / factor) > (2 * jitter_eps)
|
| 634 |
+
|
| 635 |
+
# Apply mask
|
| 636 |
+
masked_gates = scores.masked_fill(mask_logits_threshold, float("-inf"))
|
| 637 |
+
if training:
|
| 638 |
+
selected_experts = (
|
| 639 |
+
(
|
| 640 |
+
masked_gates
|
| 641 |
+
- torch.empty_like(masked_gates, memory_format=torch.legacy_contiguous_format).exponential_().log()
|
| 642 |
+
)
|
| 643 |
+
.max(dim=-1)[1]
|
| 644 |
+
.unsqueeze(-1)
|
| 645 |
+
) # Gumbel sampling, more robust than the multinomial method
|
| 646 |
+
else:
|
| 647 |
+
selected_experts = max_ind
|
| 648 |
+
|
| 649 |
+
# Compute scores for gradients
|
| 650 |
+
masked_gates = torch.softmax(masked_gates, dim=-1)
|
| 651 |
+
multiplier_o = masked_gates.gather(dim=-1, index=selected_experts)
|
| 652 |
+
|
| 653 |
+
if training:
|
| 654 |
+
# Compute midpoint mask
|
| 655 |
+
max_scores, max_ind = masked_gates.max(dim=-1, keepdim=True)
|
| 656 |
+
mask_for_one = torch.logical_or(
|
| 657 |
+
selected_experts == max_ind,
|
| 658 |
+
torch.rand_like(max_scores) > 0.75, # Heun's third-order method
|
| 659 |
+
)
|
| 660 |
+
# 1 -> 1.0 & 0 -> 1./3: lambda x: (x + 0.5) / 1.5
|
| 661 |
+
mask_for_one = torch.add(0.3333, mask_for_one, alpha=0.6667).type_as(masked_gates)
|
| 662 |
+
|
| 663 |
+
multiplier = MultiplierProcessor.apply(
|
| 664 |
+
scores,
|
| 665 |
+
multiplier_o,
|
| 666 |
+
selected_experts,
|
| 667 |
+
masked_gates,
|
| 668 |
+
mask_for_one,
|
| 669 |
+
)
|
| 670 |
+
else:
|
| 671 |
+
multiplier = multiplier_o
|
| 672 |
+
|
| 673 |
+
# Masked out first expert
|
| 674 |
+
masked_scores = torch.scatter(
|
| 675 |
+
scores,
|
| 676 |
+
-1,
|
| 677 |
+
selected_experts,
|
| 678 |
+
float("-inf"),
|
| 679 |
+
)
|
| 680 |
+
with torch.no_grad():
|
| 681 |
+
# Compute mask for sparsity
|
| 682 |
+
mask_logits_threshold, max_ind = masked_scores.max(dim=-1, keepdim=True)
|
| 683 |
+
factor = scores.abs().clamp(min=mask_logits_threshold)
|
| 684 |
+
mask_logits_threshold = ((mask_logits_threshold - scores) / factor) > (2 * jitter_eps)
|
| 685 |
+
|
| 686 |
+
# Apply mask
|
| 687 |
+
masked_gates_top2 = masked_scores.masked_fill(mask_logits_threshold, float("-inf"))
|
| 688 |
+
if training:
|
| 689 |
+
selected_experts_top2 = (
|
| 690 |
+
(
|
| 691 |
+
masked_gates_top2
|
| 692 |
+
- torch.empty_like(masked_gates_top2, memory_format=torch.legacy_contiguous_format)
|
| 693 |
+
.exponential_()
|
| 694 |
+
.log()
|
| 695 |
+
)
|
| 696 |
+
.max(dim=-1)[1]
|
| 697 |
+
.unsqueeze(-1)
|
| 698 |
+
) # Gumbel sampling, more robust than the multinomial method
|
| 699 |
+
else:
|
| 700 |
+
selected_experts_top2 = max_ind
|
| 701 |
+
# Compute scores for gradients
|
| 702 |
+
masked_gates_top2 = torch.softmax(masked_gates_top2, dim=-1)
|
| 703 |
+
multiplier_top2_o = masked_gates_top2.gather(dim=-1, index=selected_experts_top2)
|
| 704 |
+
|
| 705 |
+
if training:
|
| 706 |
+
# Compute midpoint mask
|
| 707 |
+
max_scores, max_ind = masked_gates_top2.max(dim=-1, keepdim=True)
|
| 708 |
+
mask_for_one_top2 = torch.logical_or(
|
| 709 |
+
selected_experts_top2 == max_ind,
|
| 710 |
+
torch.rand_like(max_scores).uniform_() > 0.75, # Heun's third-order method
|
| 711 |
+
)
|
| 712 |
+
# 1 -> 1.0 & 0 -> 1./3: lambda x: (x + 0.5) / 1.5
|
| 713 |
+
mask_for_one_top2 = torch.add(0.3333, mask_for_one_top2, alpha=0.6667).type_as(masked_gates_top2)
|
| 714 |
+
|
| 715 |
+
multiplier_top2 = MultiplierProcessor.apply(
|
| 716 |
+
scores,
|
| 717 |
+
multiplier_top2_o,
|
| 718 |
+
selected_experts_top2,
|
| 719 |
+
masked_gates_top2,
|
| 720 |
+
mask_for_one_top2,
|
| 721 |
+
)
|
| 722 |
+
else:
|
| 723 |
+
multiplier_top2 = multiplier_top2_o
|
| 724 |
+
|
| 725 |
+
multiplier = torch.concat((multiplier, multiplier_top2), dim=-1)
|
| 726 |
+
selected_experts = torch.concat((selected_experts, selected_experts_top2), dim=-1)
|
| 727 |
+
|
| 728 |
+
return (
|
| 729 |
+
multiplier,
|
| 730 |
+
selected_experts,
|
| 731 |
+
)
|
| 732 |
+
|
| 733 |
+
|
| 734 |
+
class PhimoeSparseMoeBlock(nn.Module):
|
| 735 |
+
"""
|
| 736 |
+
This implementation is
|
| 737 |
+
strictly equivalent to standard MoE with full capacity (no
|
| 738 |
+
dropped tokens). It's faster since it formulates MoE operations
|
| 739 |
+
in terms of block-sparse operations to accommodate imbalanced
|
| 740 |
+
assignments of tokens to experts, whereas standard MoE either
|
| 741 |
+
(1) drop tokens at the cost of reduced performance or (2) set
|
| 742 |
+
capacity factor to number of experts and thus waste computation
|
| 743 |
+
and memory on padding.
|
| 744 |
+
"""
|
| 745 |
+
|
| 746 |
+
def __init__(self, config):
|
| 747 |
+
super().__init__()
|
| 748 |
+
self.hidden_dim = config.hidden_size
|
| 749 |
+
self.ffn_dim = config.intermediate_size
|
| 750 |
+
self.num_experts = config.num_local_experts
|
| 751 |
+
self.top_k = config.num_experts_per_tok
|
| 752 |
+
# gating
|
| 753 |
+
self.gate = nn.Linear(self.hidden_dim, self.num_experts, bias=False)
|
| 754 |
+
|
| 755 |
+
self.experts = nn.ModuleList([PhimoeBlockSparseTop2MLP(config) for _ in range(self.num_experts)])
|
| 756 |
+
|
| 757 |
+
# Jitter parameters
|
| 758 |
+
self.router_jitter_noise = config.router_jitter_noise
|
| 759 |
+
self.input_jitter_noise = config.input_jitter_noise
|
| 760 |
+
|
| 761 |
+
def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:
|
| 762 |
+
""" """
|
| 763 |
+
batch_size, sequence_length, hidden_dim = hidden_states.shape
|
| 764 |
+
if self.training and self.input_jitter_noise > 0:
|
| 765 |
+
hidden_states *= torch.empty_like(hidden_states).uniform_(
|
| 766 |
+
1.0 - self.input_jitter_noise, 1.0 + self.input_jitter_noise
|
| 767 |
+
)
|
| 768 |
+
hidden_states = hidden_states.view(-1, hidden_dim)
|
| 769 |
+
router_logits = self.gate(hidden_states)
|
| 770 |
+
|
| 771 |
+
routing_weights, selected_experts = sparsemixer(
|
| 772 |
+
router_logits,
|
| 773 |
+
jitter_eps=self.router_jitter_noise,
|
| 774 |
+
training=self.training,
|
| 775 |
+
)
|
| 776 |
+
|
| 777 |
+
final_hidden_states = torch.zeros(
|
| 778 |
+
(batch_size * sequence_length, hidden_dim), dtype=hidden_states.dtype, device=hidden_states.device
|
| 779 |
+
)
|
| 780 |
+
|
| 781 |
+
# One hot encode the selected experts to create an expert mask
|
| 782 |
+
# this will be used to easily index which expert is going to be sollicitated
|
| 783 |
+
expert_mask = torch.nn.functional.one_hot(selected_experts, num_classes=self.num_experts).permute(2, 1, 0)
|
| 784 |
+
|
| 785 |
+
# Loop over all available experts in the model and perform the computation on each expert
|
| 786 |
+
for expert_idx in range(self.num_experts):
|
| 787 |
+
expert_layer = self.experts[expert_idx]
|
| 788 |
+
idx, top_x = torch.where(expert_mask[expert_idx])
|
| 789 |
+
|
| 790 |
+
if top_x.shape[0] == 0:
|
| 791 |
+
continue
|
| 792 |
+
|
| 793 |
+
# Index the correct hidden states and compute the expert hidden state for
|
| 794 |
+
# the current expert. We need to make sure to multiply the output hidden
|
| 795 |
+
# states by `routing_weights` on the corresponding tokens (top-1 and top-2)
|
| 796 |
+
current_state = hidden_states[None, top_x].reshape(-1, hidden_dim)
|
| 797 |
+
current_hidden_states = expert_layer(current_state) * routing_weights[top_x, idx, None]
|
| 798 |
+
|
| 799 |
+
# However `index_add_` only support torch tensors for indexing so we'll use
|
| 800 |
+
# the `top_x` tensor here.
|
| 801 |
+
final_hidden_states.index_add_(0, top_x, current_hidden_states.to(hidden_states.dtype))
|
| 802 |
+
final_hidden_states = final_hidden_states.reshape(batch_size, sequence_length, hidden_dim)
|
| 803 |
+
return final_hidden_states, router_logits
|
| 804 |
+
|
| 805 |
+
|
| 806 |
+
class PhimoeDecoderLayer(nn.Module):
|
| 807 |
+
def __init__(self, config: PhimoeConfig, layer_idx: int):
|
| 808 |
+
super().__init__()
|
| 809 |
+
self.hidden_size = config.hidden_size
|
| 810 |
+
|
| 811 |
+
self.self_attn = PHIMOE_ATTENTION_CLASSES[config._attn_implementation](config, layer_idx)
|
| 812 |
+
|
| 813 |
+
self.block_sparse_moe = PhimoeSparseMoeBlock(config)
|
| 814 |
+
self.input_layernorm = nn.LayerNorm(config.hidden_size, eps=config.rms_norm_eps, elementwise_affine=True)
|
| 815 |
+
self.post_attention_layernorm = nn.LayerNorm(
|
| 816 |
+
config.hidden_size, eps=config.rms_norm_eps, elementwise_affine=True
|
| 817 |
+
)
|
| 818 |
+
|
| 819 |
+
def forward(
|
| 820 |
+
self,
|
| 821 |
+
hidden_states: torch.Tensor,
|
| 822 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 823 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 824 |
+
past_key_value: Optional[Tuple[torch.Tensor]] = None,
|
| 825 |
+
output_attentions: Optional[bool] = False,
|
| 826 |
+
output_router_logits: Optional[bool] = False,
|
| 827 |
+
use_cache: Optional[bool] = False,
|
| 828 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 829 |
+
position_embeddings: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
|
| 830 |
+
**kwargs,
|
| 831 |
+
) -> Tuple[torch.FloatTensor, Optional[Tuple[torch.FloatTensor, torch.FloatTensor]]]:
|
| 832 |
+
"""
|
| 833 |
+
Args:
|
| 834 |
+
hidden_states (`torch.FloatTensor`): input to the layer of shape `(batch, seq_len, embed_dim)`
|
| 835 |
+
attention_mask (`torch.FloatTensor`, *optional*): attention mask of size
|
| 836 |
+
`(batch, sequence_length)` where padding elements are indicated by 0.
|
| 837 |
+
past_key_value (`Tuple(torch.FloatTensor)`, *optional*): cached past key and value projection states
|
| 838 |
+
output_attentions (`bool`, *optional*):
|
| 839 |
+
Whether or not to return the attentions tensors of all attention layers. See `attentions` under
|
| 840 |
+
returned tensors for more detail.
|
| 841 |
+
output_router_logits (`bool`, *optional*):
|
| 842 |
+
Whether or not to return the logits of all the routers. They are useful for computing the router loss, and
|
| 843 |
+
should not be returned during inference.
|
| 844 |
+
use_cache (`bool`, *optional*):
|
| 845 |
+
If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding
|
| 846 |
+
(see `past_key_values`).
|
| 847 |
+
cache_position (`torch.LongTensor` of shape `(sequence_length)`, *optional*):
|
| 848 |
+
Indices depicting the position of the input sequence tokens in the sequence.
|
| 849 |
+
kwargs (`dict`, *optional*):
|
| 850 |
+
Arbitrary kwargs to be ignored, used for FSDP and other methods that injects code
|
| 851 |
+
into the model
|
| 852 |
+
"""
|
| 853 |
+
|
| 854 |
+
residual = hidden_states
|
| 855 |
+
|
| 856 |
+
hidden_states = self.input_layernorm(hidden_states)
|
| 857 |
+
|
| 858 |
+
# Self Attention
|
| 859 |
+
hidden_states, self_attn_weights, present_key_value = self.self_attn(
|
| 860 |
+
hidden_states=hidden_states,
|
| 861 |
+
attention_mask=attention_mask,
|
| 862 |
+
position_ids=position_ids,
|
| 863 |
+
past_key_value=past_key_value,
|
| 864 |
+
output_attentions=output_attentions,
|
| 865 |
+
use_cache=use_cache,
|
| 866 |
+
cache_position=cache_position,
|
| 867 |
+
position_embeddings=position_embeddings,
|
| 868 |
+
)
|
| 869 |
+
hidden_states = residual + hidden_states
|
| 870 |
+
|
| 871 |
+
# Fully Connected
|
| 872 |
+
residual = hidden_states
|
| 873 |
+
hidden_states = self.post_attention_layernorm(hidden_states)
|
| 874 |
+
hidden_states, router_logits = self.block_sparse_moe(hidden_states)
|
| 875 |
+
hidden_states = residual + hidden_states
|
| 876 |
+
|
| 877 |
+
outputs = (hidden_states,)
|
| 878 |
+
|
| 879 |
+
if output_attentions:
|
| 880 |
+
outputs += (self_attn_weights,)
|
| 881 |
+
|
| 882 |
+
if use_cache:
|
| 883 |
+
outputs += (present_key_value,)
|
| 884 |
+
|
| 885 |
+
if output_router_logits:
|
| 886 |
+
outputs += (router_logits,)
|
| 887 |
+
|
| 888 |
+
return outputs
|
| 889 |
+
|
| 890 |
+
|
| 891 |
+
PHIMOE_START_DOCSTRING = r"""
|
| 892 |
+
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
|
| 893 |
+
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
|
| 894 |
+
etc.)
|
| 895 |
+
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
|
| 896 |
+
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
|
| 897 |
+
and behavior.
|
| 898 |
+
Parameters:
|
| 899 |
+
config ([`PhimoeConfig`]):
|
| 900 |
+
Model configuration class with all the parameters of the model. Initializing with a config file does not
|
| 901 |
+
load the weights associated with the model, only the configuration. Check out the
|
| 902 |
+
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
|
| 903 |
+
"""
|
| 904 |
+
|
| 905 |
+
|
| 906 |
+
@add_start_docstrings(
|
| 907 |
+
"The bare Phimoe Model outputting raw hidden-states without any specific head on top.",
|
| 908 |
+
PHIMOE_START_DOCSTRING,
|
| 909 |
+
)
|
| 910 |
+
class PhimoePreTrainedModel(PreTrainedModel):
|
| 911 |
+
config_class = PhimoeConfig
|
| 912 |
+
base_model_prefix = "model"
|
| 913 |
+
supports_gradient_checkpointing = True
|
| 914 |
+
_no_split_modules = ["PhimoeDecoderLayer"]
|
| 915 |
+
_skip_keys_device_placement = ["past_key_values"]
|
| 916 |
+
_supports_flash_attn_2 = True
|
| 917 |
+
_supports_sdpa = True
|
| 918 |
+
_supports_cache_class = True
|
| 919 |
+
_supports_quantized_cache = True
|
| 920 |
+
_supports_static_cache = False # MoE models don't work with torch.compile (`torch.where(condition)` not supported)
|
| 921 |
+
|
| 922 |
+
def _init_weights(self, module):
|
| 923 |
+
std = self.config.initializer_range
|
| 924 |
+
if isinstance(module, nn.Linear):
|
| 925 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
| 926 |
+
if module.bias is not None:
|
| 927 |
+
module.bias.data.zero_()
|
| 928 |
+
elif isinstance(module, nn.Embedding):
|
| 929 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
| 930 |
+
if module.padding_idx is not None:
|
| 931 |
+
module.weight.data[module.padding_idx].zero_()
|
| 932 |
+
elif isinstance(module, nn.LayerNorm):
|
| 933 |
+
module.bias.data.zero_()
|
| 934 |
+
module.weight.data.fill_(1.0)
|
| 935 |
+
|
| 936 |
+
|
| 937 |
+
PHIMOE_INPUTS_DOCSTRING = r"""
|
| 938 |
+
Args:
|
| 939 |
+
input_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`):
|
| 940 |
+
Indices of input sequence tokens in the vocabulary. Padding will be ignored by default should you provide
|
| 941 |
+
it.
|
| 942 |
+
|
| 943 |
+
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
|
| 944 |
+
[`PreTrainedTokenizer.__call__`] for details.
|
| 945 |
+
|
| 946 |
+
[What are input IDs?](../glossary#input-ids)
|
| 947 |
+
attention_mask (`torch.Tensor` of shape `(batch_size, sequence_length)`, *optional*):
|
| 948 |
+
Mask to avoid performing attention on padding token indices. Mask values selected in `[0, 1]`:
|
| 949 |
+
|
| 950 |
+
- 1 for tokens that are **not masked**,
|
| 951 |
+
- 0 for tokens that are **masked**.
|
| 952 |
+
|
| 953 |
+
[What are attention masks?](../glossary#attention-mask)
|
| 954 |
+
|
| 955 |
+
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
|
| 956 |
+
[`PreTrainedTokenizer.__call__`] for details.
|
| 957 |
+
|
| 958 |
+
If `past_key_values` is used, optionally only the last `decoder_input_ids` have to be input (see
|
| 959 |
+
`past_key_values`).
|
| 960 |
+
|
| 961 |
+
If you want to change padding behavior, you should read [`modeling_opt._prepare_decoder_attention_mask`]
|
| 962 |
+
and modify to your needs. See diagram 1 in [the paper](https://arxiv.org/abs/1910.13461) for more
|
| 963 |
+
information on the default strategy.
|
| 964 |
+
|
| 965 |
+
- 1 indicates the head is **not masked**,
|
| 966 |
+
- 0 indicates the head is **masked**.
|
| 967 |
+
position_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
|
| 968 |
+
Indices of positions of each input sequence tokens in the position embeddings. Selected in the range `[0,
|
| 969 |
+
config.n_positions - 1]`.
|
| 970 |
+
|
| 971 |
+
[What are position IDs?](../glossary#position-ids)
|
| 972 |
+
past_key_values (`tuple(tuple(torch.FloatTensor))`, *optional*, returned when `use_cache=True` is passed or when `config.use_cache=True`):
|
| 973 |
+
Tuple of `tuple(torch.FloatTensor)` of length `config.n_layers`, with each tuple having 2 tensors of shape
|
| 974 |
+
`(batch_size, num_heads, sequence_length, embed_size_per_head)`) and 2 additional tensors of shape
|
| 975 |
+
`(batch_size, num_heads, encoder_sequence_length, embed_size_per_head)`.
|
| 976 |
+
|
| 977 |
+
Contains pre-computed hidden-states (key and values in the self-attention blocks and in the cross-attention
|
| 978 |
+
blocks) that can be used (see `past_key_values` input) to speed up sequential decoding.
|
| 979 |
+
|
| 980 |
+
If `past_key_values` are used, the user can optionally input only the last `decoder_input_ids` (those that
|
| 981 |
+
don't have their past key value states given to this model) of shape `(batch_size, 1)` instead of all
|
| 982 |
+
`decoder_input_ids` of shape `(batch_size, sequence_length)`.
|
| 983 |
+
inputs_embeds (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`, *optional*):
|
| 984 |
+
Optionally, instead of passing `input_ids` you can choose to directly pass an embedded representation. This
|
| 985 |
+
is useful if you want more control over how to convert `input_ids` indices into associated vectors than the
|
| 986 |
+
model's internal embedding lookup matrix.
|
| 987 |
+
use_cache (`bool`, *optional*):
|
| 988 |
+
If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding (see
|
| 989 |
+
`past_key_values`).
|
| 990 |
+
output_attentions (`bool`, *optional*):
|
| 991 |
+
Whether or not to return the attentions tensors of all attention layers. See `attentions` under returned
|
| 992 |
+
tensors for more detail.
|
| 993 |
+
output_hidden_states (`bool`, *optional*):
|
| 994 |
+
Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
|
| 995 |
+
more detail.
|
| 996 |
+
output_router_logits (`bool`, *optional*):
|
| 997 |
+
Whether or not to return the logits of all the routers. They are useful for computing the router loss, and
|
| 998 |
+
should not be returned during inference.
|
| 999 |
+
return_dict (`bool`, *optional*):
|
| 1000 |
+
Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
|
| 1001 |
+
cache_position (`torch.LongTensor` of shape `(sequence_length)`, *optional*):
|
| 1002 |
+
Indices depicting the position of the input sequence tokens in the sequence. Contrarily to `position_ids`,
|
| 1003 |
+
this tensor is not affected by padding. It is used to update the cache in the correct position and to infer
|
| 1004 |
+
the complete sequence length.
|
| 1005 |
+
"""
|
| 1006 |
+
|
| 1007 |
+
|
| 1008 |
+
@add_start_docstrings(
|
| 1009 |
+
"The bare Phimoe Model outputting raw hidden-states without any specific head on top.",
|
| 1010 |
+
PHIMOE_START_DOCSTRING,
|
| 1011 |
+
)
|
| 1012 |
+
class PhimoeModel(PhimoePreTrainedModel):
|
| 1013 |
+
"""
|
| 1014 |
+
Transformer decoder consisting of *config.num_hidden_layers* layers. Each layer is a [`PhimoeDecoderLayer`]
|
| 1015 |
+
Args:
|
| 1016 |
+
config: PhimoeConfig
|
| 1017 |
+
"""
|
| 1018 |
+
|
| 1019 |
+
def __init__(self, config: PhimoeConfig):
|
| 1020 |
+
super().__init__(config)
|
| 1021 |
+
self.padding_idx = config.pad_token_id
|
| 1022 |
+
self.vocab_size = config.vocab_size
|
| 1023 |
+
|
| 1024 |
+
self.embed_tokens = nn.Embedding(config.vocab_size, config.hidden_size, self.padding_idx)
|
| 1025 |
+
self.layers = nn.ModuleList(
|
| 1026 |
+
[PhimoeDecoderLayer(config, layer_idx) for layer_idx in range(config.num_hidden_layers)]
|
| 1027 |
+
)
|
| 1028 |
+
self._attn_implementation = config._attn_implementation
|
| 1029 |
+
self.norm = nn.LayerNorm(config.hidden_size, eps=config.rms_norm_eps, elementwise_affine=True)
|
| 1030 |
+
self.rotary_emb = PhimoeRotaryEmbedding(config=config)
|
| 1031 |
+
|
| 1032 |
+
self.gradient_checkpointing = False
|
| 1033 |
+
# Initialize weights and apply final processing
|
| 1034 |
+
self.post_init()
|
| 1035 |
+
|
| 1036 |
+
def get_input_embeddings(self):
|
| 1037 |
+
return self.embed_tokens
|
| 1038 |
+
|
| 1039 |
+
def set_input_embeddings(self, value):
|
| 1040 |
+
self.embed_tokens = value
|
| 1041 |
+
|
| 1042 |
+
@can_return_tuple
|
| 1043 |
+
@add_start_docstrings_to_model_forward(PHIMOE_INPUTS_DOCSTRING)
|
| 1044 |
+
def forward(
|
| 1045 |
+
self,
|
| 1046 |
+
input_ids: Optional[torch.LongTensor] = None,
|
| 1047 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 1048 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 1049 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
| 1050 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
| 1051 |
+
use_cache: Optional[bool] = None,
|
| 1052 |
+
output_attentions: Optional[bool] = None,
|
| 1053 |
+
output_hidden_states: Optional[bool] = None,
|
| 1054 |
+
output_router_logits: Optional[bool] = None,
|
| 1055 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 1056 |
+
) -> MoeModelOutputWithPast:
|
| 1057 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
| 1058 |
+
output_router_logits = (
|
| 1059 |
+
output_router_logits if output_router_logits is not None else self.config.output_router_logits
|
| 1060 |
+
)
|
| 1061 |
+
output_hidden_states = (
|
| 1062 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
| 1063 |
+
)
|
| 1064 |
+
use_cache = use_cache if use_cache is not None else self.config.use_cache
|
| 1065 |
+
|
| 1066 |
+
if (input_ids is None) ^ (inputs_embeds is not None):
|
| 1067 |
+
raise ValueError(
|
| 1068 |
+
"You cannot specify both input_ids and inputs_embeds at the same time, and must specify either one"
|
| 1069 |
+
)
|
| 1070 |
+
|
| 1071 |
+
if self.gradient_checkpointing and self.training:
|
| 1072 |
+
if use_cache:
|
| 1073 |
+
logger.warning_once(
|
| 1074 |
+
"`use_cache=True` is incompatible with gradient checkpointing. Setting `use_cache=False`..."
|
| 1075 |
+
)
|
| 1076 |
+
use_cache = False
|
| 1077 |
+
|
| 1078 |
+
# kept for BC (non `Cache` `past_key_values` inputs)
|
| 1079 |
+
return_legacy_cache = False
|
| 1080 |
+
if use_cache and not isinstance(past_key_values, Cache):
|
| 1081 |
+
return_legacy_cache = True
|
| 1082 |
+
if past_key_values is None:
|
| 1083 |
+
past_key_values = DynamicCache()
|
| 1084 |
+
else:
|
| 1085 |
+
past_key_values = DynamicCache.from_legacy_cache(past_key_values)
|
| 1086 |
+
logger.warning_once(
|
| 1087 |
+
"We detected that you are passing `past_key_values` as a tuple of tuples. This is deprecated and "
|
| 1088 |
+
"will be removed in v4.47. Please convert your cache or use an appropriate `Cache` class "
|
| 1089 |
+
"(https://huggingface.co/docs/transformers/kv_cache#legacy-cache-format)"
|
| 1090 |
+
)
|
| 1091 |
+
|
| 1092 |
+
if inputs_embeds is None:
|
| 1093 |
+
inputs_embeds = self.embed_tokens(input_ids)
|
| 1094 |
+
|
| 1095 |
+
if cache_position is None:
|
| 1096 |
+
past_seen_tokens = past_key_values.get_seq_length() if past_key_values is not None else 0
|
| 1097 |
+
cache_position = torch.arange(
|
| 1098 |
+
past_seen_tokens, past_seen_tokens + inputs_embeds.shape[1], device=inputs_embeds.device
|
| 1099 |
+
)
|
| 1100 |
+
if position_ids is None:
|
| 1101 |
+
position_ids = cache_position.unsqueeze(0)
|
| 1102 |
+
|
| 1103 |
+
causal_mask = self._update_causal_mask(
|
| 1104 |
+
attention_mask, inputs_embeds, cache_position, past_key_values, output_attentions
|
| 1105 |
+
)
|
| 1106 |
+
|
| 1107 |
+
hidden_states = inputs_embeds
|
| 1108 |
+
|
| 1109 |
+
position_embeddings = self.rotary_emb(hidden_states, seq_len=cache_position[-1] + 1)
|
| 1110 |
+
|
| 1111 |
+
# decoder layers
|
| 1112 |
+
all_hidden_states = () if output_hidden_states else None
|
| 1113 |
+
all_self_attns = () if output_attentions else None
|
| 1114 |
+
all_router_logits = () if output_router_logits else None
|
| 1115 |
+
next_decoder_cache = None
|
| 1116 |
+
|
| 1117 |
+
for decoder_layer in self.layers:
|
| 1118 |
+
if output_hidden_states:
|
| 1119 |
+
all_hidden_states += (hidden_states,)
|
| 1120 |
+
|
| 1121 |
+
if self.gradient_checkpointing and self.training:
|
| 1122 |
+
layer_outputs = self._gradient_checkpointing_func(
|
| 1123 |
+
decoder_layer.__call__,
|
| 1124 |
+
hidden_states,
|
| 1125 |
+
causal_mask,
|
| 1126 |
+
position_ids,
|
| 1127 |
+
past_key_values,
|
| 1128 |
+
output_attentions,
|
| 1129 |
+
output_router_logits,
|
| 1130 |
+
use_cache,
|
| 1131 |
+
cache_position,
|
| 1132 |
+
position_embeddings,
|
| 1133 |
+
)
|
| 1134 |
+
else:
|
| 1135 |
+
layer_outputs = decoder_layer(
|
| 1136 |
+
hidden_states,
|
| 1137 |
+
attention_mask=causal_mask,
|
| 1138 |
+
position_ids=position_ids,
|
| 1139 |
+
past_key_value=past_key_values,
|
| 1140 |
+
output_attentions=output_attentions,
|
| 1141 |
+
output_router_logits=output_router_logits,
|
| 1142 |
+
use_cache=use_cache,
|
| 1143 |
+
cache_position=cache_position,
|
| 1144 |
+
position_embeddings=position_embeddings,
|
| 1145 |
+
)
|
| 1146 |
+
|
| 1147 |
+
hidden_states = layer_outputs[0]
|
| 1148 |
+
|
| 1149 |
+
if use_cache:
|
| 1150 |
+
next_decoder_cache = layer_outputs[2 if output_attentions else 1]
|
| 1151 |
+
|
| 1152 |
+
if output_attentions:
|
| 1153 |
+
all_self_attns += (layer_outputs[1],)
|
| 1154 |
+
|
| 1155 |
+
if output_router_logits:
|
| 1156 |
+
all_router_logits += (layer_outputs[-1],)
|
| 1157 |
+
|
| 1158 |
+
hidden_states = self.norm(hidden_states)
|
| 1159 |
+
|
| 1160 |
+
# add hidden states from the last decoder layer
|
| 1161 |
+
if output_hidden_states:
|
| 1162 |
+
all_hidden_states += (hidden_states,)
|
| 1163 |
+
|
| 1164 |
+
next_cache = next_decoder_cache if use_cache else None
|
| 1165 |
+
if return_legacy_cache:
|
| 1166 |
+
next_cache = next_cache.to_legacy_cache()
|
| 1167 |
+
|
| 1168 |
+
return MoeModelOutputWithPast(
|
| 1169 |
+
last_hidden_state=hidden_states,
|
| 1170 |
+
past_key_values=next_cache,
|
| 1171 |
+
hidden_states=all_hidden_states,
|
| 1172 |
+
attentions=all_self_attns,
|
| 1173 |
+
router_logits=all_router_logits,
|
| 1174 |
+
)
|
| 1175 |
+
|
| 1176 |
+
# Copied from transformers.models.phi3.modeling_phi3.Phi3Model._update_causal_mask with Phi3->Phimoe
|
| 1177 |
+
def _update_causal_mask(
|
| 1178 |
+
self,
|
| 1179 |
+
attention_mask: Union[torch.Tensor, "BlockMask"],
|
| 1180 |
+
input_tensor: torch.Tensor,
|
| 1181 |
+
cache_position: torch.Tensor,
|
| 1182 |
+
past_key_values: Cache,
|
| 1183 |
+
output_attentions: bool = False,
|
| 1184 |
+
):
|
| 1185 |
+
if self.config._attn_implementation == "flash_attention_2":
|
| 1186 |
+
if attention_mask is not None and past_key_values is not None:
|
| 1187 |
+
is_padding_right = attention_mask[:, -1].sum().item() != input_tensor.size()[0]
|
| 1188 |
+
if is_padding_right:
|
| 1189 |
+
raise ValueError(
|
| 1190 |
+
"You are attempting to perform batched generation with padding_side='right'"
|
| 1191 |
+
" this may lead to unexpected behaviour for Flash Attention version of Phimoe. Make sure to "
|
| 1192 |
+
" call `tokenizer.padding_side = 'left'` before tokenizing the input. "
|
| 1193 |
+
)
|
| 1194 |
+
if attention_mask is not None and 0.0 in attention_mask:
|
| 1195 |
+
return attention_mask
|
| 1196 |
+
return None
|
| 1197 |
+
if self.config._attn_implementation == "flex_attention":
|
| 1198 |
+
if isinstance(attention_mask, torch.Tensor):
|
| 1199 |
+
attention_mask = make_flex_block_causal_mask(attention_mask)
|
| 1200 |
+
return attention_mask
|
| 1201 |
+
|
| 1202 |
+
# For SDPA, when possible, we will rely on its `is_causal` argument instead of its `attn_mask` argument, in
|
| 1203 |
+
# order to dispatch on Flash Attention 2. This feature is not compatible with static cache, as SDPA will fail
|
| 1204 |
+
# to infer the attention mask.
|
| 1205 |
+
past_seen_tokens = past_key_values.get_seq_length() if past_key_values is not None else 0
|
| 1206 |
+
using_static_cache = isinstance(past_key_values, StaticCache)
|
| 1207 |
+
using_sliding_window_cache = isinstance(past_key_values, SlidingWindowCache)
|
| 1208 |
+
|
| 1209 |
+
# When output attentions is True, sdpa implementation's forward method calls the eager implementation's forward
|
| 1210 |
+
if (
|
| 1211 |
+
self.config._attn_implementation == "sdpa"
|
| 1212 |
+
and not (using_static_cache or using_sliding_window_cache)
|
| 1213 |
+
and not output_attentions
|
| 1214 |
+
):
|
| 1215 |
+
if AttentionMaskConverter._ignore_causal_mask_sdpa(
|
| 1216 |
+
attention_mask,
|
| 1217 |
+
inputs_embeds=input_tensor,
|
| 1218 |
+
past_key_values_length=past_seen_tokens,
|
| 1219 |
+
sliding_window=self.config.sliding_window,
|
| 1220 |
+
is_training=self.training,
|
| 1221 |
+
):
|
| 1222 |
+
return None
|
| 1223 |
+
|
| 1224 |
+
dtype, device = input_tensor.dtype, input_tensor.device
|
| 1225 |
+
min_dtype = torch.finfo(dtype).min
|
| 1226 |
+
sequence_length = input_tensor.shape[1]
|
| 1227 |
+
# SlidingWindowCache or StaticCache
|
| 1228 |
+
if using_sliding_window_cache or using_static_cache:
|
| 1229 |
+
target_length = past_key_values.get_max_cache_shape()
|
| 1230 |
+
# DynamicCache or no cache
|
| 1231 |
+
else:
|
| 1232 |
+
target_length = (
|
| 1233 |
+
attention_mask.shape[-1]
|
| 1234 |
+
if isinstance(attention_mask, torch.Tensor)
|
| 1235 |
+
else past_seen_tokens + sequence_length + 1
|
| 1236 |
+
)
|
| 1237 |
+
|
| 1238 |
+
# In case the provided `attention` mask is 2D, we generate a causal mask here (4D).
|
| 1239 |
+
causal_mask = self._prepare_4d_causal_attention_mask_with_cache_position(
|
| 1240 |
+
attention_mask,
|
| 1241 |
+
sequence_length=sequence_length,
|
| 1242 |
+
target_length=target_length,
|
| 1243 |
+
dtype=dtype,
|
| 1244 |
+
device=device,
|
| 1245 |
+
cache_position=cache_position,
|
| 1246 |
+
batch_size=input_tensor.shape[0],
|
| 1247 |
+
config=self.config,
|
| 1248 |
+
past_key_values=past_key_values,
|
| 1249 |
+
)
|
| 1250 |
+
|
| 1251 |
+
if (
|
| 1252 |
+
self.config._attn_implementation == "sdpa"
|
| 1253 |
+
and attention_mask is not None
|
| 1254 |
+
and attention_mask.device.type in ["cuda", "xpu", "npu"]
|
| 1255 |
+
and not output_attentions
|
| 1256 |
+
):
|
| 1257 |
+
# Attend to all tokens in fully masked rows in the causal_mask, for example the relevant first rows when
|
| 1258 |
+
# using left padding. This is required by F.scaled_dot_product_attention memory-efficient attention path.
|
| 1259 |
+
# Details: https://github.com/pytorch/pytorch/issues/110213
|
| 1260 |
+
causal_mask = AttentionMaskConverter._unmask_unattended(causal_mask, min_dtype)
|
| 1261 |
+
|
| 1262 |
+
return causal_mask
|
| 1263 |
+
|
| 1264 |
+
@staticmethod
|
| 1265 |
+
# Copied from transformers.models.mistral.modeling_mistral.MistralModel._prepare_4d_causal_attention_mask_with_cache_position with Mistral->Phimoe
|
| 1266 |
+
def _prepare_4d_causal_attention_mask_with_cache_position(
|
| 1267 |
+
attention_mask: torch.Tensor,
|
| 1268 |
+
sequence_length: int,
|
| 1269 |
+
target_length: int,
|
| 1270 |
+
dtype: torch.dtype,
|
| 1271 |
+
device: torch.device,
|
| 1272 |
+
cache_position: torch.Tensor,
|
| 1273 |
+
batch_size: int,
|
| 1274 |
+
config: PhimoeConfig,
|
| 1275 |
+
past_key_values: Cache,
|
| 1276 |
+
):
|
| 1277 |
+
"""
|
| 1278 |
+
Creates a causal 4D mask of shape `(batch_size, 1, query_length, key_value_length)` from a 2D mask of shape
|
| 1279 |
+
`(batch_size, key_value_length)`, or if the input `attention_mask` is already 4D, do nothing.
|
| 1280 |
+
|
| 1281 |
+
Args:
|
| 1282 |
+
attention_mask (`torch.Tensor`):
|
| 1283 |
+
A 2D attention mask of shape `(batch_size, key_value_length)` or a 4D attention mask of shape `(batch_size, 1, query_length, key_value_length)`.
|
| 1284 |
+
sequence_length (`int`):
|
| 1285 |
+
The sequence length being processed.
|
| 1286 |
+
target_length (`int`):
|
| 1287 |
+
The target length: when generating with static cache, the mask should be as long as the static cache, to account for the 0 padding, the part of the cache that is not filled yet.
|
| 1288 |
+
dtype (`torch.dtype`):
|
| 1289 |
+
The dtype to use for the 4D attention mask.
|
| 1290 |
+
device (`torch.device`):
|
| 1291 |
+
The device to place the 4D attention mask on.
|
| 1292 |
+
cache_position (`torch.Tensor`):
|
| 1293 |
+
Indices depicting the position of the input sequence tokens in the sequence.
|
| 1294 |
+
batch_size (`torch.Tensor`):
|
| 1295 |
+
Batch size.
|
| 1296 |
+
config (`PhimoeConfig`):
|
| 1297 |
+
The model's configuration class
|
| 1298 |
+
past_key_values (`Cache`):
|
| 1299 |
+
The cache class that is being used currently to generate
|
| 1300 |
+
"""
|
| 1301 |
+
if attention_mask is not None and attention_mask.dim() == 4:
|
| 1302 |
+
# In this case we assume that the mask comes already in inverted form and requires no inversion or slicing.
|
| 1303 |
+
causal_mask = attention_mask
|
| 1304 |
+
else:
|
| 1305 |
+
min_dtype = torch.finfo(dtype).min
|
| 1306 |
+
causal_mask = torch.full(
|
| 1307 |
+
(sequence_length, target_length), fill_value=min_dtype, dtype=dtype, device=device
|
| 1308 |
+
)
|
| 1309 |
+
diagonal_attend_mask = torch.arange(target_length, device=device) > cache_position.reshape(-1, 1)
|
| 1310 |
+
if config.get_text_config().sliding_window is not None:
|
| 1311 |
+
# if we have sliding window, we should not attend to tokens beyond sliding window length, so we mask them out also
|
| 1312 |
+
# the check is needed to verify is current checkpoint was trained with sliding window or not
|
| 1313 |
+
if not isinstance(past_key_values, SlidingWindowCache) or sequence_length > target_length:
|
| 1314 |
+
sliding_attend_mask = torch.arange(target_length, device=device) <= (
|
| 1315 |
+
cache_position.reshape(-1, 1) - config.get_text_config().sliding_window
|
| 1316 |
+
)
|
| 1317 |
+
diagonal_attend_mask.bitwise_or_(sliding_attend_mask)
|
| 1318 |
+
causal_mask *= diagonal_attend_mask
|
| 1319 |
+
causal_mask = causal_mask[None, None, :, :].expand(batch_size, 1, -1, -1)
|
| 1320 |
+
if attention_mask is not None:
|
| 1321 |
+
causal_mask = causal_mask.clone() # copy to contiguous memory for in-place edit
|
| 1322 |
+
if attention_mask.shape[-1] > target_length:
|
| 1323 |
+
attention_mask = attention_mask[:, :target_length]
|
| 1324 |
+
mask_length = attention_mask.shape[-1]
|
| 1325 |
+
padding_mask = causal_mask[:, :, :, :mask_length] + attention_mask[:, None, None, :].to(
|
| 1326 |
+
causal_mask.device
|
| 1327 |
+
)
|
| 1328 |
+
padding_mask = padding_mask == 0
|
| 1329 |
+
causal_mask[:, :, :, :mask_length] = causal_mask[:, :, :, :mask_length].masked_fill(
|
| 1330 |
+
padding_mask, min_dtype
|
| 1331 |
+
)
|
| 1332 |
+
return causal_mask
|
| 1333 |
+
|
| 1334 |
+
|
| 1335 |
+
class PhimoeForCausalLM(PhimoePreTrainedModel, GenerationMixin):
|
| 1336 |
+
_tied_weights_keys = ["lm_head.weight"]
|
| 1337 |
+
|
| 1338 |
+
def __init__(self, config):
|
| 1339 |
+
super().__init__(config)
|
| 1340 |
+
self.model = PhimoeModel(config)
|
| 1341 |
+
self.vocab_size = config.vocab_size
|
| 1342 |
+
self.lm_head = nn.Linear(config.hidden_size, config.vocab_size, bias=self.config.lm_head_bias)
|
| 1343 |
+
self.router_aux_loss_coef = config.router_aux_loss_coef
|
| 1344 |
+
self.num_experts = config.num_local_experts
|
| 1345 |
+
self.num_experts_per_tok = config.num_experts_per_tok
|
| 1346 |
+
# Initialize weights and apply final processing
|
| 1347 |
+
self.post_init()
|
| 1348 |
+
|
| 1349 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.get_input_embeddings
|
| 1350 |
+
def get_input_embeddings(self):
|
| 1351 |
+
return self.model.embed_tokens
|
| 1352 |
+
|
| 1353 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.set_input_embeddings
|
| 1354 |
+
def set_input_embeddings(self, value):
|
| 1355 |
+
self.model.embed_tokens = value
|
| 1356 |
+
|
| 1357 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.get_output_embeddings
|
| 1358 |
+
def get_output_embeddings(self):
|
| 1359 |
+
return self.lm_head
|
| 1360 |
+
|
| 1361 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.set_output_embeddings
|
| 1362 |
+
def set_output_embeddings(self, new_embeddings):
|
| 1363 |
+
self.lm_head = new_embeddings
|
| 1364 |
+
|
| 1365 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.set_decoder
|
| 1366 |
+
def set_decoder(self, decoder):
|
| 1367 |
+
self.model = decoder
|
| 1368 |
+
|
| 1369 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.get_decoder
|
| 1370 |
+
def get_decoder(self):
|
| 1371 |
+
return self.model
|
| 1372 |
+
|
| 1373 |
+
@can_return_tuple
|
| 1374 |
+
@add_start_docstrings_to_model_forward(PHIMOE_INPUTS_DOCSTRING)
|
| 1375 |
+
@replace_return_docstrings(output_type=MoeCausalLMOutputWithPast, config_class=_CONFIG_FOR_DOC)
|
| 1376 |
+
# Ignore copy
|
| 1377 |
+
def forward(
|
| 1378 |
+
self,
|
| 1379 |
+
input_ids: Optional[torch.LongTensor] = None,
|
| 1380 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 1381 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 1382 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
| 1383 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
| 1384 |
+
labels: Optional[torch.LongTensor] = None,
|
| 1385 |
+
use_cache: Optional[bool] = None,
|
| 1386 |
+
output_attentions: Optional[bool] = None,
|
| 1387 |
+
output_hidden_states: Optional[bool] = None,
|
| 1388 |
+
output_router_logits: Optional[bool] = None,
|
| 1389 |
+
cache_position: Optional[torch.LongTensor] = None,
|
| 1390 |
+
logits_to_keep: Union[int, torch.Tensor] = 0,
|
| 1391 |
+
**loss_kwargs,
|
| 1392 |
+
) -> MoeCausalLMOutputWithPast:
|
| 1393 |
+
r"""
|
| 1394 |
+
labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
|
| 1395 |
+
Labels for computing the masked language modeling loss. Indices should either be in `[0, ...,
|
| 1396 |
+
config.vocab_size]` or -100 (see `input_ids` docstring). Tokens with indices set to `-100` are ignored
|
| 1397 |
+
(masked), the loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`.
|
| 1398 |
+
|
| 1399 |
+
logits_to_keep (`int` or `torch.Tensor`, *optional*):
|
| 1400 |
+
If an `int`, compute logits for the last `logits_to_keep` tokens. If `0`, calculate logits for all
|
| 1401 |
+
`input_ids` (special case). Only last token logits are needed for generation, and calculating them only for that
|
| 1402 |
+
token can save memory, which becomes pretty significant for long sequences or large vocabulary size.
|
| 1403 |
+
If a `torch.Tensor`, must be 1D corresponding to the indices to keep in the sequence length dimension.
|
| 1404 |
+
This is useful when using packed tensor format (single dimension for batch and sequence length).
|
| 1405 |
+
Returns:
|
| 1406 |
+
Example:
|
| 1407 |
+
```python
|
| 1408 |
+
>>> from transformers import AutoTokenizer, PhimoeForCausalLM
|
| 1409 |
+
>>> model = PhimoeForCausalLM.from_pretrained("microsoft/Phi-3.5-MoE-instruct")
|
| 1410 |
+
>>> tokenizer = AutoTokenizer.from_pretrained("microsoft/Phi-3.5-MoE-instruct")
|
| 1411 |
+
>>> prompt = "Hey, are you conscious? Can you talk to me?"
|
| 1412 |
+
>>> inputs = tokenizer(prompt, return_tensors="pt")
|
| 1413 |
+
>>> # Generate
|
| 1414 |
+
>>> generate_ids = model.generate(inputs.input_ids, max_length=30)
|
| 1415 |
+
>>> tokenizer.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0]
|
| 1416 |
+
"Hey, are you conscious? Can you talk to me?\nI'm not conscious, but I can talk to you."
|
| 1417 |
+
```"""
|
| 1418 |
+
if (
|
| 1419 |
+
use_cache
|
| 1420 |
+
and self.config.rope_scaling
|
| 1421 |
+
and cache_position is not None
|
| 1422 |
+
and cache_position[0] == self.config.original_max_position_embeddings
|
| 1423 |
+
):
|
| 1424 |
+
logger.warning(
|
| 1425 |
+
f"If you are not using the generate method, you may encounter nonsensical outputs after the {self.config.original_max_position_embeddings}th token, as the KV cache needs to be recomputed."
|
| 1426 |
+
)
|
| 1427 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
| 1428 |
+
output_router_logits = (
|
| 1429 |
+
output_router_logits if output_router_logits is not None else self.config.output_router_logits
|
| 1430 |
+
)
|
| 1431 |
+
|
| 1432 |
+
output_hidden_states = (
|
| 1433 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
| 1434 |
+
)
|
| 1435 |
+
|
| 1436 |
+
# decoder outputs consists of (dec_features, layer_state, dec_hidden, dec_attn)
|
| 1437 |
+
outputs: MoeModelOutputWithPast = self.model(
|
| 1438 |
+
input_ids=input_ids,
|
| 1439 |
+
attention_mask=attention_mask,
|
| 1440 |
+
position_ids=position_ids,
|
| 1441 |
+
past_key_values=past_key_values,
|
| 1442 |
+
inputs_embeds=inputs_embeds,
|
| 1443 |
+
use_cache=use_cache,
|
| 1444 |
+
output_attentions=output_attentions,
|
| 1445 |
+
output_hidden_states=output_hidden_states,
|
| 1446 |
+
output_router_logits=output_router_logits,
|
| 1447 |
+
cache_position=cache_position,
|
| 1448 |
+
)
|
| 1449 |
+
|
| 1450 |
+
hidden_states = outputs.last_hidden_state
|
| 1451 |
+
# Only compute necessary logits, and do not upcast them to float if we are not computing the loss
|
| 1452 |
+
slice_indices = slice(-logits_to_keep, None) if isinstance(logits_to_keep, int) else logits_to_keep
|
| 1453 |
+
logits = self.lm_head(hidden_states[:, slice_indices, :])
|
| 1454 |
+
|
| 1455 |
+
loss = None
|
| 1456 |
+
if labels is not None:
|
| 1457 |
+
loss = self.loss_function(logits, labels, self.vocab_size, **loss_kwargs)
|
| 1458 |
+
|
| 1459 |
+
aux_loss = None
|
| 1460 |
+
if output_router_logits:
|
| 1461 |
+
aux_loss = load_balancing_loss_func(
|
| 1462 |
+
outputs.router_logits,
|
| 1463 |
+
self.num_experts,
|
| 1464 |
+
self.num_experts_per_tok,
|
| 1465 |
+
attention_mask,
|
| 1466 |
+
)
|
| 1467 |
+
if labels is not None:
|
| 1468 |
+
loss += self.router_aux_loss_coef * aux_loss.to(loss.device) # make sure to reside in the same device
|
| 1469 |
+
|
| 1470 |
+
return MoeCausalLMOutputWithPast(
|
| 1471 |
+
loss=loss,
|
| 1472 |
+
aux_loss=aux_loss,
|
| 1473 |
+
logits=logits,
|
| 1474 |
+
past_key_values=outputs.past_key_values,
|
| 1475 |
+
hidden_states=outputs.hidden_states,
|
| 1476 |
+
attentions=outputs.attentions,
|
| 1477 |
+
router_logits=outputs.router_logits,
|
| 1478 |
+
)
|
| 1479 |
+
|
| 1480 |
+
# Copied from transformers.models.phi3.modeling_phi3.Phi3ForCausalLM.prepare_inputs_for_generation
|
| 1481 |
+
def prepare_inputs_for_generation(
|
| 1482 |
+
self,
|
| 1483 |
+
input_ids,
|
| 1484 |
+
past_key_values=None,
|
| 1485 |
+
attention_mask=None,
|
| 1486 |
+
inputs_embeds=None,
|
| 1487 |
+
cache_position=None,
|
| 1488 |
+
position_ids=None,
|
| 1489 |
+
use_cache=True,
|
| 1490 |
+
logits_to_keep=None,
|
| 1491 |
+
**kwargs,
|
| 1492 |
+
):
|
| 1493 |
+
# Overwritten -- this model may need to switch between short and long rope, invalidating the cache in the
|
| 1494 |
+
# process
|
| 1495 |
+
|
| 1496 |
+
# When the first time input length reached long and short factor switching point, enforce re-compute cache
|
| 1497 |
+
# It will cause downside of slower at this single token position, however, better than current failure.
|
| 1498 |
+
if (
|
| 1499 |
+
past_key_values
|
| 1500 |
+
and self.config.rope_scaling
|
| 1501 |
+
and input_ids.shape[1] >= self.config.original_max_position_embeddings + 1
|
| 1502 |
+
):
|
| 1503 |
+
past_length = cache_position[0]
|
| 1504 |
+
if past_length <= self.config.original_max_position_embeddings:
|
| 1505 |
+
past_key_values = None
|
| 1506 |
+
|
| 1507 |
+
model_inputs = super().prepare_inputs_for_generation(
|
| 1508 |
+
input_ids=input_ids,
|
| 1509 |
+
past_key_values=past_key_values,
|
| 1510 |
+
attention_mask=attention_mask,
|
| 1511 |
+
inputs_embeds=inputs_embeds,
|
| 1512 |
+
cache_position=cache_position,
|
| 1513 |
+
position_ids=position_ids,
|
| 1514 |
+
use_cache=use_cache,
|
| 1515 |
+
logits_to_keep=logits_to_keep,
|
| 1516 |
+
**kwargs,
|
| 1517 |
+
)
|
| 1518 |
+
return model_inputs
|
| 1519 |
+
|
| 1520 |
+
|
| 1521 |
+
@add_start_docstrings(
|
| 1522 |
+
"""
|
| 1523 |
+
The Phimoe Model transformer with a sequence classification head on top (linear layer).
|
| 1524 |
+
[`PhimoeForSequenceClassification`] uses the last token in order to do the classification, as other causal models
|
| 1525 |
+
(e.g. GPT-2) do.
|
| 1526 |
+
Since it does classification on the last token, it requires to know the position of the last token. If a
|
| 1527 |
+
`pad_token_id` is defined in the configuration, it finds the last token that is not a padding token in each row. If
|
| 1528 |
+
no `pad_token_id` is defined, it simply takes the last value in each row of the batch. Since it cannot guess the
|
| 1529 |
+
padding tokens when `inputs_embeds` are passed instead of `input_ids`, it does the same (take the last value in
|
| 1530 |
+
each row of the batch).
|
| 1531 |
+
""",
|
| 1532 |
+
PHIMOE_START_DOCSTRING,
|
| 1533 |
+
)
|
| 1534 |
+
|
| 1535 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForSequenceClassification with Llama->Phimoe, LLAMA->PHIMOE, BaseModelOutputWithPast->MoeModelOutputWithPast
|
| 1536 |
+
class PhimoeForSequenceClassification(PhimoePreTrainedModel):
|
| 1537 |
+
def __init__(self, config):
|
| 1538 |
+
super().__init__(config)
|
| 1539 |
+
self.num_labels = config.num_labels
|
| 1540 |
+
self.model = PhimoeModel(config)
|
| 1541 |
+
self.score = nn.Linear(config.hidden_size, self.num_labels, bias=False)
|
| 1542 |
+
|
| 1543 |
+
# Initialize weights and apply final processing
|
| 1544 |
+
self.post_init()
|
| 1545 |
+
|
| 1546 |
+
def get_input_embeddings(self):
|
| 1547 |
+
return self.model.embed_tokens
|
| 1548 |
+
|
| 1549 |
+
def set_input_embeddings(self, value):
|
| 1550 |
+
self.model.embed_tokens = value
|
| 1551 |
+
|
| 1552 |
+
@can_return_tuple
|
| 1553 |
+
@add_start_docstrings_to_model_forward(PHIMOE_INPUTS_DOCSTRING)
|
| 1554 |
+
def forward(
|
| 1555 |
+
self,
|
| 1556 |
+
input_ids: Optional[torch.LongTensor] = None,
|
| 1557 |
+
attention_mask: Optional[torch.Tensor] = None,
|
| 1558 |
+
position_ids: Optional[torch.LongTensor] = None,
|
| 1559 |
+
past_key_values: Optional[Cache] = None,
|
| 1560 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
| 1561 |
+
labels: Optional[torch.LongTensor] = None,
|
| 1562 |
+
use_cache: Optional[bool] = None,
|
| 1563 |
+
output_attentions: Optional[bool] = None,
|
| 1564 |
+
output_hidden_states: Optional[bool] = None,
|
| 1565 |
+
) -> SequenceClassifierOutputWithPast:
|
| 1566 |
+
r"""
|
| 1567 |
+
labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
|
| 1568 |
+
Labels for computing the sequence classification/regression loss. Indices should be in `[0, ...,
|
| 1569 |
+
config.num_labels - 1]`. If `config.num_labels == 1` a regression loss is computed (Mean-Square loss), If
|
| 1570 |
+
`config.num_labels > 1` a classification loss is computed (Cross-Entropy).
|
| 1571 |
+
"""
|
| 1572 |
+
|
| 1573 |
+
transformer_outputs: MoeModelOutputWithPast = self.model(
|
| 1574 |
+
input_ids,
|
| 1575 |
+
attention_mask=attention_mask,
|
| 1576 |
+
position_ids=position_ids,
|
| 1577 |
+
past_key_values=past_key_values,
|
| 1578 |
+
inputs_embeds=inputs_embeds,
|
| 1579 |
+
use_cache=use_cache,
|
| 1580 |
+
output_attentions=output_attentions,
|
| 1581 |
+
output_hidden_states=output_hidden_states,
|
| 1582 |
+
)
|
| 1583 |
+
hidden_states = transformer_outputs.last_hidden_state
|
| 1584 |
+
logits = self.score(hidden_states)
|
| 1585 |
+
|
| 1586 |
+
if input_ids is not None:
|
| 1587 |
+
batch_size = input_ids.shape[0]
|
| 1588 |
+
else:
|
| 1589 |
+
batch_size = inputs_embeds.shape[0]
|
| 1590 |
+
|
| 1591 |
+
if self.config.pad_token_id is None and batch_size != 1:
|
| 1592 |
+
raise ValueError("Cannot handle batch sizes > 1 if no padding token is defined.")
|
| 1593 |
+
if self.config.pad_token_id is None:
|
| 1594 |
+
last_non_pad_token = -1
|
| 1595 |
+
elif input_ids is not None:
|
| 1596 |
+
# To handle both left- and right- padding, we take the rightmost token that is not equal to pad_token_id
|
| 1597 |
+
non_pad_mask = (input_ids != self.config.pad_token_id).to(logits.device, torch.int32)
|
| 1598 |
+
token_indices = torch.arange(input_ids.shape[-1], device=logits.device, dtype=torch.int32)
|
| 1599 |
+
last_non_pad_token = (token_indices * non_pad_mask).argmax(-1)
|
| 1600 |
+
else:
|
| 1601 |
+
last_non_pad_token = -1
|
| 1602 |
+
logger.warning_once(
|
| 1603 |
+
f"{self.__class__.__name__} will not detect padding tokens in `inputs_embeds`. Results may be "
|
| 1604 |
+
"unexpected if using padding tokens in conjunction with `inputs_embeds.`"
|
| 1605 |
+
)
|
| 1606 |
+
|
| 1607 |
+
pooled_logits = logits[torch.arange(batch_size, device=logits.device), last_non_pad_token]
|
| 1608 |
+
|
| 1609 |
+
loss = None
|
| 1610 |
+
if labels is not None:
|
| 1611 |
+
loss = self.loss_function(logits=logits, labels=labels, pooled_logits=pooled_logits, config=self.config)
|
| 1612 |
+
|
| 1613 |
+
return SequenceClassifierOutputWithPast(
|
| 1614 |
+
loss=loss,
|
| 1615 |
+
logits=pooled_logits,
|
| 1616 |
+
past_key_values=transformer_outputs.past_key_values,
|
| 1617 |
+
hidden_states=transformer_outputs.hidden_states,
|
| 1618 |
+
attentions=transformer_outputs.attentions,
|
| 1619 |
+
)
|
| 1620 |
+
|
| 1621 |
+
|
| 1622 |
+
__all__ = [
|
| 1623 |
+
"PhimoePreTrainedModel",
|
| 1624 |
+
"PhimoeModel",
|
| 1625 |
+
"PhimoeForCausalLM",
|
| 1626 |
+
"PhimoeForSequenceClassification",
|
| 1627 |
+
]
|
docs/transformers/build/lib/transformers/models/phobert/__init__.py
ADDED
|
@@ -0,0 +1,26 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright 2024 The HuggingFace Team. All rights reserved.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
from typing import TYPE_CHECKING
|
| 15 |
+
|
| 16 |
+
from ...utils import _LazyModule
|
| 17 |
+
from ...utils.import_utils import define_import_structure
|
| 18 |
+
|
| 19 |
+
|
| 20 |
+
if TYPE_CHECKING:
|
| 21 |
+
from .tokenization_phobert import *
|
| 22 |
+
else:
|
| 23 |
+
import sys
|
| 24 |
+
|
| 25 |
+
_file = globals()["__file__"]
|
| 26 |
+
sys.modules[__name__] = _LazyModule(__name__, _file, define_import_structure(_file), module_spec=__spec__)
|
docs/transformers/build/lib/transformers/models/phobert/tokenization_phobert.py
ADDED
|
@@ -0,0 +1,351 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
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|
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|
|
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|
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|
|
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|
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|
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|
|
|
|
| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright (c) 2020, VinAI Research and the HuggingFace Inc. team.
|
| 3 |
+
# Copyright 2018 The Open AI Team Authors and The HuggingFace Inc. team.
|
| 4 |
+
#
|
| 5 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 6 |
+
# you may not use this file except in compliance with the License.
|
| 7 |
+
# You may obtain a copy of the License at
|
| 8 |
+
#
|
| 9 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 10 |
+
#
|
| 11 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 12 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 13 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 14 |
+
# See the License for the specific language governing permissions and
|
| 15 |
+
# limitations under the License.
|
| 16 |
+
"""Tokenization classes for PhoBERT"""
|
| 17 |
+
|
| 18 |
+
import os
|
| 19 |
+
import re
|
| 20 |
+
from shutil import copyfile
|
| 21 |
+
from typing import List, Optional, Tuple
|
| 22 |
+
|
| 23 |
+
from ...tokenization_utils import PreTrainedTokenizer
|
| 24 |
+
from ...utils import logging
|
| 25 |
+
|
| 26 |
+
|
| 27 |
+
logger = logging.get_logger(__name__)
|
| 28 |
+
|
| 29 |
+
VOCAB_FILES_NAMES = {
|
| 30 |
+
"vocab_file": "vocab.txt",
|
| 31 |
+
"merges_file": "bpe.codes",
|
| 32 |
+
}
|
| 33 |
+
|
| 34 |
+
|
| 35 |
+
def get_pairs(word):
|
| 36 |
+
"""
|
| 37 |
+
Return set of symbol pairs in a word.
|
| 38 |
+
|
| 39 |
+
Word is represented as tuple of symbols (symbols being variable-length strings).
|
| 40 |
+
"""
|
| 41 |
+
pairs = set()
|
| 42 |
+
prev_char = word[0]
|
| 43 |
+
for char in word[1:]:
|
| 44 |
+
pairs.add((prev_char, char))
|
| 45 |
+
prev_char = char
|
| 46 |
+
|
| 47 |
+
pairs = set(pairs)
|
| 48 |
+
return pairs
|
| 49 |
+
|
| 50 |
+
|
| 51 |
+
class PhobertTokenizer(PreTrainedTokenizer):
|
| 52 |
+
"""
|
| 53 |
+
Construct a PhoBERT tokenizer. Based on Byte-Pair-Encoding.
|
| 54 |
+
|
| 55 |
+
This tokenizer inherits from [`PreTrainedTokenizer`] which contains most of the main methods. Users should refer to
|
| 56 |
+
this superclass for more information regarding those methods.
|
| 57 |
+
|
| 58 |
+
Args:
|
| 59 |
+
vocab_file (`str`):
|
| 60 |
+
Path to the vocabulary file.
|
| 61 |
+
merges_file (`str`):
|
| 62 |
+
Path to the merges file.
|
| 63 |
+
bos_token (`st`, *optional*, defaults to `"<s>"`):
|
| 64 |
+
The beginning of sequence token that was used during pretraining. Can be used a sequence classifier token.
|
| 65 |
+
|
| 66 |
+
<Tip>
|
| 67 |
+
|
| 68 |
+
When building a sequence using special tokens, this is not the token that is used for the beginning of
|
| 69 |
+
sequence. The token used is the `cls_token`.
|
| 70 |
+
|
| 71 |
+
</Tip>
|
| 72 |
+
|
| 73 |
+
eos_token (`str`, *optional*, defaults to `"</s>"`):
|
| 74 |
+
The end of sequence token.
|
| 75 |
+
|
| 76 |
+
<Tip>
|
| 77 |
+
|
| 78 |
+
When building a sequence using special tokens, this is not the token that is used for the end of sequence.
|
| 79 |
+
The token used is the `sep_token`.
|
| 80 |
+
|
| 81 |
+
</Tip>
|
| 82 |
+
|
| 83 |
+
sep_token (`str`, *optional*, defaults to `"</s>"`):
|
| 84 |
+
The separator token, which is used when building a sequence from multiple sequences, e.g. two sequences for
|
| 85 |
+
sequence classification or for a text and a question for question answering. It is also used as the last
|
| 86 |
+
token of a sequence built with special tokens.
|
| 87 |
+
cls_token (`str`, *optional*, defaults to `"<s>"`):
|
| 88 |
+
The classifier token which is used when doing sequence classification (classification of the whole sequence
|
| 89 |
+
instead of per-token classification). It is the first token of the sequence when built with special tokens.
|
| 90 |
+
unk_token (`str`, *optional*, defaults to `"<unk>"`):
|
| 91 |
+
The unknown token. A token that is not in the vocabulary cannot be converted to an ID and is set to be this
|
| 92 |
+
token instead.
|
| 93 |
+
pad_token (`str`, *optional*, defaults to `"<pad>"`):
|
| 94 |
+
The token used for padding, for example when batching sequences of different lengths.
|
| 95 |
+
mask_token (`str`, *optional*, defaults to `"<mask>"`):
|
| 96 |
+
The token used for masking values. This is the token used when training this model with masked language
|
| 97 |
+
modeling. This is the token which the model will try to predict.
|
| 98 |
+
"""
|
| 99 |
+
|
| 100 |
+
vocab_files_names = VOCAB_FILES_NAMES
|
| 101 |
+
|
| 102 |
+
def __init__(
|
| 103 |
+
self,
|
| 104 |
+
vocab_file,
|
| 105 |
+
merges_file,
|
| 106 |
+
bos_token="<s>",
|
| 107 |
+
eos_token="</s>",
|
| 108 |
+
sep_token="</s>",
|
| 109 |
+
cls_token="<s>",
|
| 110 |
+
unk_token="<unk>",
|
| 111 |
+
pad_token="<pad>",
|
| 112 |
+
mask_token="<mask>",
|
| 113 |
+
**kwargs,
|
| 114 |
+
):
|
| 115 |
+
self.vocab_file = vocab_file
|
| 116 |
+
self.merges_file = merges_file
|
| 117 |
+
|
| 118 |
+
self.encoder = {}
|
| 119 |
+
self.encoder[str(bos_token)] = 0
|
| 120 |
+
self.encoder[str(pad_token)] = 1
|
| 121 |
+
self.encoder[str(eos_token)] = 2
|
| 122 |
+
self.encoder[str(unk_token)] = 3
|
| 123 |
+
|
| 124 |
+
self.add_from_file(vocab_file)
|
| 125 |
+
|
| 126 |
+
self.decoder = {v: k for k, v in self.encoder.items()}
|
| 127 |
+
|
| 128 |
+
with open(merges_file, encoding="utf-8") as merges_handle:
|
| 129 |
+
merges = merges_handle.read().split("\n")[:-1]
|
| 130 |
+
merges = [tuple(merge.split()[:-1]) for merge in merges]
|
| 131 |
+
|
| 132 |
+
self.bpe_ranks = dict(zip(merges, range(len(merges))))
|
| 133 |
+
self.cache = {}
|
| 134 |
+
|
| 135 |
+
super().__init__(
|
| 136 |
+
bos_token=bos_token,
|
| 137 |
+
eos_token=eos_token,
|
| 138 |
+
unk_token=unk_token,
|
| 139 |
+
sep_token=sep_token,
|
| 140 |
+
cls_token=cls_token,
|
| 141 |
+
pad_token=pad_token,
|
| 142 |
+
mask_token=mask_token,
|
| 143 |
+
**kwargs,
|
| 144 |
+
)
|
| 145 |
+
|
| 146 |
+
def build_inputs_with_special_tokens(
|
| 147 |
+
self, token_ids_0: List[int], token_ids_1: Optional[List[int]] = None
|
| 148 |
+
) -> List[int]:
|
| 149 |
+
"""
|
| 150 |
+
Build model inputs from a sequence or a pair of sequence for sequence classification tasks by concatenating and
|
| 151 |
+
adding special tokens. A PhoBERT sequence has the following format:
|
| 152 |
+
|
| 153 |
+
- single sequence: `<s> X </s>`
|
| 154 |
+
- pair of sequences: `<s> A </s></s> B </s>`
|
| 155 |
+
|
| 156 |
+
Args:
|
| 157 |
+
token_ids_0 (`List[int]`):
|
| 158 |
+
List of IDs to which the special tokens will be added.
|
| 159 |
+
token_ids_1 (`List[int]`, *optional*):
|
| 160 |
+
Optional second list of IDs for sequence pairs.
|
| 161 |
+
|
| 162 |
+
Returns:
|
| 163 |
+
`List[int]`: List of [input IDs](../glossary#input-ids) with the appropriate special tokens.
|
| 164 |
+
"""
|
| 165 |
+
|
| 166 |
+
if token_ids_1 is None:
|
| 167 |
+
return [self.cls_token_id] + token_ids_0 + [self.sep_token_id]
|
| 168 |
+
cls = [self.cls_token_id]
|
| 169 |
+
sep = [self.sep_token_id]
|
| 170 |
+
return cls + token_ids_0 + sep + sep + token_ids_1 + sep
|
| 171 |
+
|
| 172 |
+
def get_special_tokens_mask(
|
| 173 |
+
self, token_ids_0: List[int], token_ids_1: Optional[List[int]] = None, already_has_special_tokens: bool = False
|
| 174 |
+
) -> List[int]:
|
| 175 |
+
"""
|
| 176 |
+
Retrieve sequence ids from a token list that has no special tokens added. This method is called when adding
|
| 177 |
+
special tokens using the tokenizer `prepare_for_model` method.
|
| 178 |
+
|
| 179 |
+
Args:
|
| 180 |
+
token_ids_0 (`List[int]`):
|
| 181 |
+
List of IDs.
|
| 182 |
+
token_ids_1 (`List[int]`, *optional*):
|
| 183 |
+
Optional second list of IDs for sequence pairs.
|
| 184 |
+
already_has_special_tokens (`bool`, *optional*, defaults to `False`):
|
| 185 |
+
Whether or not the token list is already formatted with special tokens for the model.
|
| 186 |
+
|
| 187 |
+
Returns:
|
| 188 |
+
`List[int]`: A list of integers in the range [0, 1]: 1 for a special token, 0 for a sequence token.
|
| 189 |
+
"""
|
| 190 |
+
|
| 191 |
+
if already_has_special_tokens:
|
| 192 |
+
return super().get_special_tokens_mask(
|
| 193 |
+
token_ids_0=token_ids_0, token_ids_1=token_ids_1, already_has_special_tokens=True
|
| 194 |
+
)
|
| 195 |
+
|
| 196 |
+
if token_ids_1 is None:
|
| 197 |
+
return [1] + ([0] * len(token_ids_0)) + [1]
|
| 198 |
+
return [1] + ([0] * len(token_ids_0)) + [1, 1] + ([0] * len(token_ids_1)) + [1]
|
| 199 |
+
|
| 200 |
+
def create_token_type_ids_from_sequences(
|
| 201 |
+
self, token_ids_0: List[int], token_ids_1: Optional[List[int]] = None
|
| 202 |
+
) -> List[int]:
|
| 203 |
+
"""
|
| 204 |
+
Create a mask from the two sequences passed to be used in a sequence-pair classification task. PhoBERT does not
|
| 205 |
+
make use of token type ids, therefore a list of zeros is returned.
|
| 206 |
+
|
| 207 |
+
Args:
|
| 208 |
+
token_ids_0 (`List[int]`):
|
| 209 |
+
List of IDs.
|
| 210 |
+
token_ids_1 (`List[int]`, *optional*):
|
| 211 |
+
Optional second list of IDs for sequence pairs.
|
| 212 |
+
|
| 213 |
+
Returns:
|
| 214 |
+
`List[int]`: List of zeros.
|
| 215 |
+
"""
|
| 216 |
+
|
| 217 |
+
sep = [self.sep_token_id]
|
| 218 |
+
cls = [self.cls_token_id]
|
| 219 |
+
|
| 220 |
+
if token_ids_1 is None:
|
| 221 |
+
return len(cls + token_ids_0 + sep) * [0]
|
| 222 |
+
return len(cls + token_ids_0 + sep + sep + token_ids_1 + sep) * [0]
|
| 223 |
+
|
| 224 |
+
@property
|
| 225 |
+
def vocab_size(self):
|
| 226 |
+
return len(self.encoder)
|
| 227 |
+
|
| 228 |
+
def get_vocab(self):
|
| 229 |
+
return dict(self.encoder, **self.added_tokens_encoder)
|
| 230 |
+
|
| 231 |
+
def bpe(self, token):
|
| 232 |
+
if token in self.cache:
|
| 233 |
+
return self.cache[token]
|
| 234 |
+
word = tuple(token)
|
| 235 |
+
word = tuple(list(word[:-1]) + [word[-1] + "</w>"])
|
| 236 |
+
pairs = get_pairs(word)
|
| 237 |
+
|
| 238 |
+
if not pairs:
|
| 239 |
+
return token
|
| 240 |
+
|
| 241 |
+
while True:
|
| 242 |
+
bigram = min(pairs, key=lambda pair: self.bpe_ranks.get(pair, float("inf")))
|
| 243 |
+
if bigram not in self.bpe_ranks:
|
| 244 |
+
break
|
| 245 |
+
first, second = bigram
|
| 246 |
+
new_word = []
|
| 247 |
+
i = 0
|
| 248 |
+
while i < len(word):
|
| 249 |
+
try:
|
| 250 |
+
j = word.index(first, i)
|
| 251 |
+
except ValueError:
|
| 252 |
+
new_word.extend(word[i:])
|
| 253 |
+
break
|
| 254 |
+
else:
|
| 255 |
+
new_word.extend(word[i:j])
|
| 256 |
+
i = j
|
| 257 |
+
|
| 258 |
+
if word[i] == first and i < len(word) - 1 and word[i + 1] == second:
|
| 259 |
+
new_word.append(first + second)
|
| 260 |
+
i += 2
|
| 261 |
+
else:
|
| 262 |
+
new_word.append(word[i])
|
| 263 |
+
i += 1
|
| 264 |
+
new_word = tuple(new_word)
|
| 265 |
+
word = new_word
|
| 266 |
+
if len(word) == 1:
|
| 267 |
+
break
|
| 268 |
+
else:
|
| 269 |
+
pairs = get_pairs(word)
|
| 270 |
+
word = "@@ ".join(word)
|
| 271 |
+
word = word[:-4]
|
| 272 |
+
self.cache[token] = word
|
| 273 |
+
return word
|
| 274 |
+
|
| 275 |
+
def _tokenize(self, text):
|
| 276 |
+
"""Tokenize a string."""
|
| 277 |
+
split_tokens = []
|
| 278 |
+
|
| 279 |
+
words = re.findall(r"\S+\n?", text)
|
| 280 |
+
|
| 281 |
+
for token in words:
|
| 282 |
+
split_tokens.extend(list(self.bpe(token).split(" ")))
|
| 283 |
+
return split_tokens
|
| 284 |
+
|
| 285 |
+
def _convert_token_to_id(self, token):
|
| 286 |
+
"""Converts a token (str) in an id using the vocab."""
|
| 287 |
+
return self.encoder.get(token, self.encoder.get(self.unk_token))
|
| 288 |
+
|
| 289 |
+
def _convert_id_to_token(self, index):
|
| 290 |
+
"""Converts an index (integer) in a token (str) using the vocab."""
|
| 291 |
+
return self.decoder.get(index, self.unk_token)
|
| 292 |
+
|
| 293 |
+
def convert_tokens_to_string(self, tokens):
|
| 294 |
+
"""Converts a sequence of tokens (string) in a single string."""
|
| 295 |
+
out_string = " ".join(tokens).replace("@@ ", "").strip()
|
| 296 |
+
return out_string
|
| 297 |
+
|
| 298 |
+
def save_vocabulary(self, save_directory: str, filename_prefix: Optional[str] = None) -> Tuple[str]:
|
| 299 |
+
if not os.path.isdir(save_directory):
|
| 300 |
+
logger.error(f"Vocabulary path ({save_directory}) should be a directory")
|
| 301 |
+
return
|
| 302 |
+
out_vocab_file = os.path.join(
|
| 303 |
+
save_directory, (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"]
|
| 304 |
+
)
|
| 305 |
+
out_merge_file = os.path.join(
|
| 306 |
+
save_directory, (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["merges_file"]
|
| 307 |
+
)
|
| 308 |
+
|
| 309 |
+
if os.path.abspath(self.vocab_file) != os.path.abspath(out_vocab_file) and os.path.isfile(self.vocab_file):
|
| 310 |
+
copyfile(self.vocab_file, out_vocab_file)
|
| 311 |
+
elif not os.path.isfile(self.vocab_file):
|
| 312 |
+
with open(out_vocab_file, "wb") as fi:
|
| 313 |
+
content_spiece_model = self.sp_model.serialized_model_proto()
|
| 314 |
+
fi.write(content_spiece_model)
|
| 315 |
+
|
| 316 |
+
if os.path.abspath(self.merges_file) != os.path.abspath(out_merge_file):
|
| 317 |
+
copyfile(self.merges_file, out_merge_file)
|
| 318 |
+
|
| 319 |
+
return out_vocab_file, out_merge_file
|
| 320 |
+
|
| 321 |
+
# def decode(self, token_ids, skip_special_tokens=False, clean_up_tokenization_spaces=True):
|
| 322 |
+
# filtered_tokens = ' '.join(self.convert_ids_to_tokens(token_ids, skip_special_tokens=skip_special_tokens))
|
| 323 |
+
# tokens_generated_so_far = re.sub('(@@ )', '', string=filtered_tokens)
|
| 324 |
+
# tokens_generated_so_far = re.sub('(@@ ?$)', '', string=tokens_generated_so_far)
|
| 325 |
+
# return ''.join(tokens_generated_so_far)
|
| 326 |
+
|
| 327 |
+
def add_from_file(self, f):
|
| 328 |
+
"""
|
| 329 |
+
Loads a pre-existing dictionary from a text file and adds its symbols to this instance.
|
| 330 |
+
"""
|
| 331 |
+
if isinstance(f, str):
|
| 332 |
+
try:
|
| 333 |
+
with open(f, "r", encoding="utf-8") as fd:
|
| 334 |
+
self.add_from_file(fd)
|
| 335 |
+
except FileNotFoundError as fnfe:
|
| 336 |
+
raise fnfe
|
| 337 |
+
except UnicodeError:
|
| 338 |
+
raise Exception(f"Incorrect encoding detected in {f}, please rebuild the dataset")
|
| 339 |
+
return
|
| 340 |
+
|
| 341 |
+
lines = f.readlines()
|
| 342 |
+
for lineTmp in lines:
|
| 343 |
+
line = lineTmp.strip()
|
| 344 |
+
idx = line.rfind(" ")
|
| 345 |
+
if idx == -1:
|
| 346 |
+
raise ValueError("Incorrect dictionary format, expected '<token> <cnt>'")
|
| 347 |
+
word = line[:idx]
|
| 348 |
+
self.encoder[word] = len(self.encoder)
|
| 349 |
+
|
| 350 |
+
|
| 351 |
+
__all__ = ["PhobertTokenizer"]
|
docs/transformers/build/lib/transformers/models/pix2struct/__init__.py
ADDED
|
@@ -0,0 +1,29 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright 2024 The HuggingFace Team. All rights reserved.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
from typing import TYPE_CHECKING
|
| 15 |
+
|
| 16 |
+
from ...utils import _LazyModule
|
| 17 |
+
from ...utils.import_utils import define_import_structure
|
| 18 |
+
|
| 19 |
+
|
| 20 |
+
if TYPE_CHECKING:
|
| 21 |
+
from .configuration_pix2struct import *
|
| 22 |
+
from .image_processing_pix2struct import *
|
| 23 |
+
from .modeling_pix2struct import *
|
| 24 |
+
from .processing_pix2struct import *
|
| 25 |
+
else:
|
| 26 |
+
import sys
|
| 27 |
+
|
| 28 |
+
_file = globals()["__file__"]
|
| 29 |
+
sys.modules[__name__] = _LazyModule(__name__, _file, define_import_structure(_file), module_spec=__spec__)
|