Update app.py
Browse files
app.py
CHANGED
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@@ -79,8 +79,6 @@ EXAMPLE_DOC_STRING = """
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```
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"""
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def gaussian_kernel(kernel_size=3, sigma=1.0, channels=3):
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x_coord = torch.arange(kernel_size)
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gaussian_1d = torch.exp(-(x_coord - (kernel_size - 1) / 2) ** 2 / (2 * sigma ** 2))
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@@ -115,46 +113,7 @@ class AccDiffusionSDXLPipeline(DiffusionPipeline, FromSingleFileMixin, LoraLoade
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"""
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Pipeline for text-to-image generation using Stable Diffusion XL.
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library implements for all the pipelines (such as downloading or saving, running on a particular device, etc.)
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In addition the pipeline inherits the following loading methods:
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- *LoRA*: [`StableDiffusionXLPipeline.load_lora_weights`]
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- *Ckpt*: [`loaders.FromSingleFileMixin.from_single_file`]
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as well as the following saving methods:
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- *LoRA*: [`loaders.StableDiffusionXLPipeline.save_lora_weights`]
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Args:
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vae ([`AutoencoderKL`]):
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Variational Auto-Encoder (VAE) Model to encode and decode images to and from latent representations.
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text_encoder ([`CLIPTextModel`]):
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Frozen text-encoder. Stable Diffusion XL uses the text portion of
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[CLIP](https://huggingface.co/docs/transformers/model_doc/clip#transformers.CLIPTextModel), specifically
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the [clip-vit-large-patch14](https://huggingface.co/openai/clip-vit-large-patch14) variant.
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text_encoder_2 ([` CLIPTextModelWithProjection`]):
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Second frozen text-encoder. Stable Diffusion XL uses the text and pool portion of
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[CLIP](https://huggingface.co/docs/transformers/model_doc/clip#transformers.CLIPTextModelWithProjection),
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specifically the
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[laion/CLIP-ViT-bigG-14-laion2B-39B-b160k](https://huggingface.co/laion/CLIP-ViT-bigG-14-laion2B-39B-b160k)
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variant.
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tokenizer (`CLIPTokenizer`):
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Tokenizer of class
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[CLIPTokenizer](https://huggingface.co/docs/transformers/v4.21.0/en/model_doc/clip#transformers.CLIPTokenizer).
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tokenizer_2 (`CLIPTokenizer`):
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Second Tokenizer of class
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[CLIPTokenizer](https://huggingface.co/docs/transformers/v4.21.0/en/model_doc/clip#transformers.CLIPTokenizer).
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unet ([`UNet2DConditionModel`]): Conditional U-Net architecture to denoise the encoded image latents.
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scheduler ([`SchedulerMixin`]):
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A scheduler to be used in combination with `unet` to denoise the encoded image latents. Can be one of
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[`DDIMScheduler`], [`LMSDiscreteScheduler`], or [`PNDMScheduler`].
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force_zeros_for_empty_prompt (`bool`, *optional*, defaults to `"True"`):
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Whether the negative prompt embeddings shall be forced to always be set to 0. Also see the config of
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`stabilityai/stable-diffusion-xl-base-1-0`.
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add_watermarker (`bool`, *optional*):
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Whether to use the [invisible_watermark library](https://github.com/ShieldMnt/invisible-watermark/) to
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watermark output images. If not defined, it will default to True if the package is installed, otherwise no
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watermarker will be used.
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"""
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model_cpu_offload_seq = "text_encoder->text_encoder_2->unet->vae"
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@@ -193,570 +152,7 @@ class AccDiffusionSDXLPipeline(DiffusionPipeline, FromSingleFileMixin, LoraLoade
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else:
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self.watermark = None
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#
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def enable_vae_slicing(self):
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r"""
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Enable sliced VAE decoding. When this option is enabled, the VAE will split the input tensor in slices to
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compute decoding in several steps. This is useful to save some memory and allow larger batch sizes.
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"""
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self.vae.enable_slicing()
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# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.disable_vae_slicing
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def disable_vae_slicing(self):
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r"""
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Disable sliced VAE decoding. If `enable_vae_slicing` was previously enabled, this method will go back to
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computing decoding in one step.
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"""
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self.vae.disable_slicing()
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# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.enable_vae_tiling
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def enable_vae_tiling(self):
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r"""
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Enable tiled VAE decoding. When this option is enabled, the VAE will split the input tensor into tiles to
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compute decoding and encoding in several steps. This is useful for saving a large amount of memory and to allow
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processing larger images.
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"""
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self.vae.enable_tiling()
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# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.disable_vae_tiling
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def disable_vae_tiling(self):
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r"""
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Disable tiled VAE decoding. If `enable_vae_tiling` was previously enabled, this method will go back to
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computing decoding in one step.
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"""
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self.vae.disable_tiling()
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def encode_prompt(
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self,
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prompt: str,
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prompt_2: Optional[str] = None,
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device: Optional[torch.device] = None,
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num_images_per_prompt: int = 1,
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do_classifier_free_guidance: bool = True,
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negative_prompt: Optional[str] = None,
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negative_prompt_2: Optional[str] = None,
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prompt_embeds: Optional[torch.FloatTensor] = None,
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negative_prompt_embeds: Optional[torch.FloatTensor] = None,
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pooled_prompt_embeds: Optional[torch.FloatTensor] = None,
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negative_pooled_prompt_embeds: Optional[torch.FloatTensor] = None,
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lora_scale: Optional[float] = None,
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):
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r"""
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Encodes the prompt into text encoder hidden states.
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Args:
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prompt (`str` or `List[str]`, *optional*):
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prompt to be encoded
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prompt_2 (`str` or `List[str]`, *optional*):
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The prompt or prompts to be sent to the `tokenizer_2` and `text_encoder_2`. If not defined, `prompt` is
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used in both text-encoders
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device: (`torch.device`):
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torch device
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num_images_per_prompt (`int`):
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number of images that should be generated per prompt
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do_classifier_free_guidance (`bool`):
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whether to use classifier free guidance or not
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negative_prompt (`str` or `List[str]`, *optional*):
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The prompt or prompts not to guide the image generation. If not defined, one has to pass
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`negative_prompt_embeds` instead. Ignored when not using guidance (i.e., ignored if `guidance_scale` is
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less than `1`).
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negative_prompt_2 (`str` or `List[str]`, *optional*):
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The prompt or prompts not to guide the image generation to be sent to `tokenizer_2` and
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`text_encoder_2`. If not defined, `negative_prompt` is used in both text-encoders
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prompt_embeds (`torch.FloatTensor`, *optional*):
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Pre-generated text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting. If not
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provided, text embeddings will be generated from `prompt` input argument.
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negative_prompt_embeds (`torch.FloatTensor`, *optional*):
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Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
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weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input
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argument.
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pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
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Pre-generated pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting.
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If not provided, pooled text embeddings will be generated from `prompt` input argument.
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negative_pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
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Pre-generated negative pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
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weighting. If not provided, pooled negative_prompt_embeds will be generated from `negative_prompt`
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input argument.
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lora_scale (`float`, *optional*):
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A lora scale that will be applied to all LoRA layers of the text encoder if LoRA layers are loaded.
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"""
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device = device or self._execution_device
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# set lora scale so that monkey patched LoRA
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# function of text encoder can correctly access it
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if lora_scale is not None and isinstance(self, LoraLoaderMixin):
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self._lora_scale = lora_scale
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# dynamically adjust the LoRA scale
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adjust_lora_scale_text_encoder(self.text_encoder, lora_scale)
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adjust_lora_scale_text_encoder(self.text_encoder_2, lora_scale)
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if prompt is not None and isinstance(prompt, str):
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batch_size = 1
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elif prompt is not None and isinstance(prompt, list):
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batch_size = len(prompt)
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else:
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batch_size = prompt_embeds.shape[0]
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# Define tokenizers and text encoders
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tokenizers = [self.tokenizer, self.tokenizer_2] if self.tokenizer is not None else [self.tokenizer_2]
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text_encoders = (
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[self.text_encoder, self.text_encoder_2] if self.text_encoder is not None else [self.text_encoder_2]
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)
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if prompt_embeds is None:
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prompt_2 = prompt_2 or prompt
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# textual inversion: procecss multi-vector tokens if necessary
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prompt_embeds_list = []
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prompts = [prompt, prompt_2]
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for prompt, tokenizer, text_encoder in zip(prompts, tokenizers, text_encoders):
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if isinstance(self, TextualInversionLoaderMixin):
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prompt = self.maybe_convert_prompt(prompt, tokenizer)
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text_inputs = tokenizer(
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prompt,
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padding="max_length",
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max_length=tokenizer.model_max_length,
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truncation=True,
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return_tensors="pt",
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)
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text_input_ids = text_inputs.input_ids
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untruncated_ids = tokenizer(prompt, padding="longest", return_tensors="pt").input_ids
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if untruncated_ids.shape[-1] >= text_input_ids.shape[-1] and not torch.equal(
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text_input_ids, untruncated_ids
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):
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removed_text = tokenizer.batch_decode(untruncated_ids[:, tokenizer.model_max_length - 1 : -1])
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logger.warning(
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"The following part of your input was truncated because CLIP can only handle sequences up to"
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f" {tokenizer.model_max_length} tokens: {removed_text}"
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)
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prompt_embeds = text_encoder(
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text_input_ids.to(device),
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output_hidden_states=True,
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)
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# We are only ALWAYS interested in the pooled output of the final text encoder
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pooled_prompt_embeds = prompt_embeds[0]
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prompt_embeds = prompt_embeds.hidden_states[-2]
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prompt_embeds_list.append(prompt_embeds)
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prompt_embeds = torch.concat(prompt_embeds_list, dim=-1)
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# get unconditional embeddings for classifier free guidance
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zero_out_negative_prompt = negative_prompt is None and self.config.force_zeros_for_empty_prompt
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if do_classifier_free_guidance and negative_prompt_embeds is None and zero_out_negative_prompt:
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negative_prompt_embeds = torch.zeros_like(prompt_embeds)
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negative_pooled_prompt_embeds = torch.zeros_like(pooled_prompt_embeds)
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elif do_classifier_free_guidance and negative_prompt_embeds is None:
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negative_prompt = negative_prompt or ""
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negative_prompt_2 = negative_prompt_2 or negative_prompt
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uncond_tokens: List[str]
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if prompt is not None and type(prompt) is not type(negative_prompt):
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raise TypeError(
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f"`negative_prompt` should be the same type to `prompt`, but got {type(negative_prompt)} !="
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f" {type(prompt)}."
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)
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elif isinstance(negative_prompt, str):
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uncond_tokens = [negative_prompt, negative_prompt_2]
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elif batch_size != len(negative_prompt):
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raise ValueError(
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f"`negative_prompt`: {negative_prompt} has batch size {len(negative_prompt)}, but `prompt`:"
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f" {prompt} has batch size {batch_size}. Please make sure that passed `negative_prompt` matches"
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" the batch size of `prompt`."
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)
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else:
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uncond_tokens = [negative_prompt, negative_prompt_2]
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negative_prompt_embeds_list = []
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for negative_prompt, tokenizer, text_encoder in zip(uncond_tokens, tokenizers, text_encoders):
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if isinstance(self, TextualInversionLoaderMixin):
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negative_prompt = self.maybe_convert_prompt(negative_prompt, tokenizer)
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max_length = prompt_embeds.shape[1]
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uncond_input = tokenizer(
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negative_prompt,
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padding="max_length",
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max_length=max_length,
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truncation=True,
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return_tensors="pt",
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)
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negative_prompt_embeds = text_encoder(
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uncond_input.input_ids.to(device),
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output_hidden_states=True,
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)
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# We are only ALWAYS interested in the pooled output of the final text encoder
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negative_pooled_prompt_embeds = negative_prompt_embeds[0]
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negative_prompt_embeds = negative_prompt_embeds.hidden_states[-2]
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negative_prompt_embeds_list.append(negative_prompt_embeds)
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negative_prompt_embeds = torch.concat(negative_prompt_embeds_list, dim=-1)
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prompt_embeds = prompt_embeds.to(dtype=self.text_encoder_2.dtype, device=device)
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bs_embed, seq_len, _ = prompt_embeds.shape
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# duplicate text embeddings for each generation per prompt, using mps friendly method
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prompt_embeds = prompt_embeds.repeat(1, num_images_per_prompt, 1)
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prompt_embeds = prompt_embeds.view(bs_embed * num_images_per_prompt, seq_len, -1)
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if do_classifier_free_guidance:
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# duplicate unconditional embeddings for each generation per prompt, using mps friendly method
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seq_len = negative_prompt_embeds.shape[1]
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negative_prompt_embeds = negative_prompt_embeds.to(dtype=self.text_encoder_2.dtype, device=device)
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negative_prompt_embeds = negative_prompt_embeds.repeat(1, num_images_per_prompt, 1)
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negative_prompt_embeds = negative_prompt_embeds.view(batch_size * num_images_per_prompt, seq_len, -1)
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pooled_prompt_embeds = pooled_prompt_embeds.repeat(1, num_images_per_prompt).view(
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bs_embed * num_images_per_prompt, -1
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)
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if do_classifier_free_guidance:
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negative_pooled_prompt_embeds = negative_pooled_prompt_embeds.repeat(1, num_images_per_prompt).view(
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bs_embed * num_images_per_prompt, -1
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)
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return prompt_embeds, negative_prompt_embeds, pooled_prompt_embeds, negative_pooled_prompt_embeds
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# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.prepare_extra_step_kwargs
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def prepare_extra_step_kwargs(self, generator, eta):
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# prepare extra kwargs for the scheduler step, since not all schedulers have the same signature
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# eta (ฮท) is only used with the DDIMScheduler, it will be ignored for other schedulers.
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# eta corresponds to ฮท in DDIM paper: https://arxiv.org/abs/2010.02502
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# and should be between [0, 1]
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accepts_eta = "eta" in set(inspect.signature(self.scheduler.step).parameters.keys())
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extra_step_kwargs = {}
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if accepts_eta:
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extra_step_kwargs["eta"] = eta
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# check if the scheduler accepts generator
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accepts_generator = "generator" in set(inspect.signature(self.scheduler.step).parameters.keys())
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if accepts_generator:
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extra_step_kwargs["generator"] = generator
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return extra_step_kwargs
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def check_inputs(
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self,
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prompt,
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prompt_2,
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height,
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width,
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callback_steps,
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negative_prompt=None,
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negative_prompt_2=None,
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prompt_embeds=None,
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negative_prompt_embeds=None,
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pooled_prompt_embeds=None,
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negative_pooled_prompt_embeds=None,
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num_images_per_prompt=None,
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):
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if height % 8 != 0 or width % 8 != 0:
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raise ValueError(f"`height` and `width` have to be divisible by 8 but are {height} and {width}.")
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if (callback_steps is None) or (
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callback_steps is not None and (not isinstance(callback_steps, int) or callback_steps <= 0)
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):
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| 463 |
-
raise ValueError(
|
| 464 |
-
f"`callback_steps` has to be a positive integer but is {callback_steps} of type"
|
| 465 |
-
f" {type(callback_steps)}."
|
| 466 |
-
)
|
| 467 |
-
|
| 468 |
-
if prompt is not None and prompt_embeds is not None:
|
| 469 |
-
raise ValueError(
|
| 470 |
-
f"Cannot forward both `prompt`: {prompt} and `prompt_embeds`: {prompt_embeds}. Please make sure to"
|
| 471 |
-
" only forward one of the two."
|
| 472 |
-
)
|
| 473 |
-
elif prompt_2 is not None and prompt_embeds is not None:
|
| 474 |
-
raise ValueError(
|
| 475 |
-
f"Cannot forward both `prompt_2`: {prompt_2} and `prompt_embeds`: {prompt_embeds}. Please make sure to"
|
| 476 |
-
" only forward one of the two."
|
| 477 |
-
)
|
| 478 |
-
elif prompt is None and prompt_embeds is None:
|
| 479 |
-
raise ValueError(
|
| 480 |
-
"Provide either `prompt` or `prompt_embeds`. Cannot leave both `prompt` and `prompt_embeds` undefined."
|
| 481 |
-
)
|
| 482 |
-
elif prompt is not None and (not isinstance(prompt, str) and not isinstance(prompt, list)):
|
| 483 |
-
raise ValueError(f"`prompt` has to be of type `str` or `list` but is {type(prompt)}")
|
| 484 |
-
elif prompt_2 is not None and (not isinstance(prompt_2, str) and not isinstance(prompt_2, list)):
|
| 485 |
-
raise ValueError(f"`prompt_2` has to be of type `str` or `list` but is {type(prompt_2)}")
|
| 486 |
-
|
| 487 |
-
if negative_prompt is not None and negative_prompt_embeds is not None:
|
| 488 |
-
raise ValueError(
|
| 489 |
-
f"Cannot forward both `negative_prompt`: {negative_prompt} and `negative_prompt_embeds`:"
|
| 490 |
-
f" {negative_prompt_embeds}. Please make sure to only forward one of the two."
|
| 491 |
-
)
|
| 492 |
-
elif negative_prompt_2 is not None and negative_prompt_embeds is not None:
|
| 493 |
-
raise ValueError(
|
| 494 |
-
f"Cannot forward both `negative_prompt_2`: {negative_prompt_2} and `negative_prompt_embeds`:"
|
| 495 |
-
f" {negative_prompt_embeds}. Please make sure to only forward one of the two."
|
| 496 |
-
)
|
| 497 |
-
|
| 498 |
-
if prompt_embeds is not None and negative_prompt_embeds is not None:
|
| 499 |
-
if prompt_embeds.shape != negative_prompt_embeds.shape:
|
| 500 |
-
raise ValueError(
|
| 501 |
-
"`prompt_embeds` and `negative_prompt_embeds` must have the same shape when passed directly, but"
|
| 502 |
-
f" got: `prompt_embeds` {prompt_embeds.shape} != `negative_prompt_embeds`"
|
| 503 |
-
f" {negative_prompt_embeds.shape}."
|
| 504 |
-
)
|
| 505 |
-
|
| 506 |
-
if prompt_embeds is not None and pooled_prompt_embeds is None:
|
| 507 |
-
raise ValueError(
|
| 508 |
-
"If `prompt_embeds` are provided, `pooled_prompt_embeds` also have to be passed. Make sure to generate `pooled_prompt_embeds` from the same text encoder that was used to generate `prompt_embeds`."
|
| 509 |
-
)
|
| 510 |
-
|
| 511 |
-
if negative_prompt_embeds is not None and negative_pooled_prompt_embeds is None:
|
| 512 |
-
raise ValueError(
|
| 513 |
-
"If `negative_prompt_embeds` are provided, `negative_pooled_prompt_embeds` also have to be passed. Make sure to generate `negative_pooled_prompt_embeds` from the same text encoder that was used to generate `negative_prompt_embeds`."
|
| 514 |
-
)
|
| 515 |
-
|
| 516 |
-
if max(height, width) % 1024 != 0:
|
| 517 |
-
raise ValueError(f"the larger one of `height` and `width` has to be divisible by 1024 but are {height} and {width}.")
|
| 518 |
-
|
| 519 |
-
if num_images_per_prompt != 1:
|
| 520 |
-
warnings.warn("num_images_per_prompt != 1 is not supported by AccDiffusion and will be ignored.")
|
| 521 |
-
num_images_per_prompt = 1
|
| 522 |
-
|
| 523 |
-
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.prepare_latents
|
| 524 |
-
def prepare_latents(self, batch_size, num_channels_latents, height, width, dtype, device, generator, latents=None):
|
| 525 |
-
shape = (batch_size, num_channels_latents, height // self.vae_scale_factor, width // self.vae_scale_factor)
|
| 526 |
-
if isinstance(generator, list) and len(generator) != batch_size:
|
| 527 |
-
raise ValueError(
|
| 528 |
-
f"You have passed a list of generators of length {len(generator)}, but requested an effective batch"
|
| 529 |
-
f" size of {batch_size}. Make sure the batch size matches the length of the generators."
|
| 530 |
-
)
|
| 531 |
-
|
| 532 |
-
if latents is None:
|
| 533 |
-
latents = randn_tensor(shape, generator=generator, device=device, dtype=dtype)
|
| 534 |
-
else:
|
| 535 |
-
latents = latents.to(device)
|
| 536 |
-
|
| 537 |
-
# scale the initial noise by the standard deviation required by the scheduler
|
| 538 |
-
latents = latents * self.scheduler.init_noise_sigma
|
| 539 |
-
return latents
|
| 540 |
-
|
| 541 |
-
def _get_add_time_ids(self, original_size, crops_coords_top_left, target_size, dtype):
|
| 542 |
-
add_time_ids = list(original_size + crops_coords_top_left + target_size)
|
| 543 |
-
|
| 544 |
-
passed_add_embed_dim = (
|
| 545 |
-
self.unet.config.addition_time_embed_dim * len(add_time_ids) + self.text_encoder_2.config.projection_dim
|
| 546 |
-
)
|
| 547 |
-
expected_add_embed_dim = self.unet.add_embedding.linear_1.in_features
|
| 548 |
-
|
| 549 |
-
if expected_add_embed_dim != passed_add_embed_dim:
|
| 550 |
-
raise ValueError(
|
| 551 |
-
f"Model expects an added time embedding vector of length {expected_add_embed_dim}, but a vector of {passed_add_embed_dim} was created. \
|
| 552 |
-
The model has an incorrect config. Please check `unet.config.time_embedding_type` and `text_encoder_2.config.projection_dim`."
|
| 553 |
-
)
|
| 554 |
-
|
| 555 |
-
add_time_ids = torch.tensor([add_time_ids], dtype=dtype)
|
| 556 |
-
return add_time_ids
|
| 557 |
-
|
| 558 |
-
def get_views(self, height, width, window_size=128, stride=64, random_jitter=False):
|
| 559 |
-
# Here, we define the mappings F_i (see Eq. 7 in the MultiDiffusion paper https://arxiv.org/abs/2302.08113)
|
| 560 |
-
# if panorama's height/width < window_size, num_blocks of height/width should return 1
|
| 561 |
-
height //= self.vae_scale_factor
|
| 562 |
-
width //= self.vae_scale_factor
|
| 563 |
-
num_blocks_height = int((height - window_size) / stride - 1e-6) + 2 if height > window_size else 1
|
| 564 |
-
num_blocks_width = int((width - window_size) / stride - 1e-6) + 2 if width > window_size else 1
|
| 565 |
-
total_num_blocks = int(num_blocks_height * num_blocks_width)
|
| 566 |
-
views = []
|
| 567 |
-
for i in range(total_num_blocks):
|
| 568 |
-
h_start = int((i // num_blocks_width) * stride)
|
| 569 |
-
h_end = h_start + window_size
|
| 570 |
-
w_start = int((i % num_blocks_width) * stride)
|
| 571 |
-
w_end = w_start + window_size
|
| 572 |
-
|
| 573 |
-
if h_end > height:
|
| 574 |
-
h_start = int(h_start + height - h_end)
|
| 575 |
-
h_end = int(height)
|
| 576 |
-
if w_end > width:
|
| 577 |
-
w_start = int(w_start + width - w_end)
|
| 578 |
-
w_end = int(width)
|
| 579 |
-
if h_start < 0:
|
| 580 |
-
h_end = int(h_end - h_start)
|
| 581 |
-
h_start = 0
|
| 582 |
-
if w_start < 0:
|
| 583 |
-
w_end = int(w_end - w_start)
|
| 584 |
-
w_start = 0
|
| 585 |
-
|
| 586 |
-
if random_jitter:
|
| 587 |
-
jitter_range = (window_size - stride) // 4
|
| 588 |
-
w_jitter = 0
|
| 589 |
-
h_jitter = 0
|
| 590 |
-
if (w_start != 0) and (w_end != width):
|
| 591 |
-
w_jitter = random.randint(-jitter_range, jitter_range)
|
| 592 |
-
elif (w_start == 0) and (w_end != width):
|
| 593 |
-
w_jitter = random.randint(-jitter_range, 0)
|
| 594 |
-
elif (w_start != 0) and (w_end == width):
|
| 595 |
-
w_jitter = random.randint(0, jitter_range)
|
| 596 |
-
|
| 597 |
-
if (h_start != 0) and (h_end != height):
|
| 598 |
-
h_jitter = random.randint(-jitter_range, jitter_range)
|
| 599 |
-
elif (h_start == 0) and (h_end != height):
|
| 600 |
-
h_jitter = random.randint(-jitter_range, 0)
|
| 601 |
-
elif (h_start != 0) and (h_end == height):
|
| 602 |
-
h_jitter = random.randint(0, jitter_range)
|
| 603 |
-
# When using jitter, the noise will be padded by jitterrange, so we need to add it to the view.
|
| 604 |
-
h_start = h_start + h_jitter + jitter_range
|
| 605 |
-
h_end = h_end + h_jitter + jitter_range
|
| 606 |
-
w_start = w_start + w_jitter + jitter_range
|
| 607 |
-
w_end = w_end + w_jitter + jitter_range
|
| 608 |
-
|
| 609 |
-
views.append((h_start, h_end, w_start, w_end))
|
| 610 |
-
return views
|
| 611 |
-
|
| 612 |
-
|
| 613 |
-
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion_upscale.StableDiffusionUpscalePipeline.upcast_vae
|
| 614 |
-
def upcast_vae(self):
|
| 615 |
-
dtype = self.vae.dtype
|
| 616 |
-
self.vae.to(dtype=torch.float32)
|
| 617 |
-
use_torch_2_0_or_xformers = isinstance(
|
| 618 |
-
self.vae.decoder.mid_block.attentions[0].processor,
|
| 619 |
-
(
|
| 620 |
-
AttnProcessor2_0,
|
| 621 |
-
XFormersAttnProcessor,
|
| 622 |
-
LoRAXFormersAttnProcessor,
|
| 623 |
-
LoRAAttnProcessor2_0,
|
| 624 |
-
),
|
| 625 |
-
)
|
| 626 |
-
# if xformers or torch_2_0 is used attention block does not need
|
| 627 |
-
# to be in float32 which can save lots of memory
|
| 628 |
-
if use_torch_2_0_or_xformers:
|
| 629 |
-
self.vae.post_quant_conv.to(dtype)
|
| 630 |
-
self.vae.decoder.conv_in.to(dtype)
|
| 631 |
-
self.vae.decoder.mid_block.to(dtype)
|
| 632 |
-
|
| 633 |
-
|
| 634 |
-
def register_attention_control(self, controller):
|
| 635 |
-
attn_procs = {}
|
| 636 |
-
cross_att_count = 0
|
| 637 |
-
ori_attn_processors = self.unet.attn_processors
|
| 638 |
-
for name in self.unet.attn_processors.keys():
|
| 639 |
-
if name.startswith("mid_block"):
|
| 640 |
-
place_in_unet = "mid"
|
| 641 |
-
elif name.startswith("up_blocks"):
|
| 642 |
-
place_in_unet = "up"
|
| 643 |
-
elif name.startswith("down_blocks"):
|
| 644 |
-
place_in_unet = "down"
|
| 645 |
-
else:
|
| 646 |
-
continue
|
| 647 |
-
cross_att_count += 1
|
| 648 |
-
attn_procs[name] = P2PCrossAttnProcessor(controller=controller, place_in_unet=place_in_unet)
|
| 649 |
-
|
| 650 |
-
self.unet.set_attn_processor(attn_procs)
|
| 651 |
-
controller.num_att_layers = cross_att_count
|
| 652 |
-
return ori_attn_processors
|
| 653 |
-
|
| 654 |
-
def recover_attention_control(self, ori_attn_processors):
|
| 655 |
-
self.unet.set_attn_processor(ori_attn_processors)
|
| 656 |
-
|
| 657 |
-
|
| 658 |
-
|
| 659 |
-
# Overrride to properly handle the loading and unloading of the additional text encoder.
|
| 660 |
-
def load_lora_weights(self, pretrained_model_name_or_path_or_dict: Union[str, Dict[str, torch.Tensor]], **kwargs):
|
| 661 |
-
# We could have accessed the unet config from `lora_state_dict()` too. We pass
|
| 662 |
-
# it here explicitly to be able to tell that it's coming from an SDXL
|
| 663 |
-
# pipeline.
|
| 664 |
-
|
| 665 |
-
# Remove any existing hooks.
|
| 666 |
-
if is_accelerate_available() and is_accelerate_version(">=", "0.17.0.dev0"):
|
| 667 |
-
from accelerate.hooks import AlignDevicesHook, CpuOffload, remove_hook_from_module
|
| 668 |
-
else:
|
| 669 |
-
raise ImportError("Offloading requires `accelerate v0.17.0` or higher.")
|
| 670 |
-
|
| 671 |
-
is_model_cpu_offload = False
|
| 672 |
-
is_sequential_cpu_offload = False
|
| 673 |
-
recursive = False
|
| 674 |
-
for _, component in self.components.items():
|
| 675 |
-
if isinstance(component, torch.nn.Module):
|
| 676 |
-
if hasattr(component, "_hf_hook"):
|
| 677 |
-
is_model_cpu_offload = isinstance(getattr(component, "_hf_hook"), CpuOffload)
|
| 678 |
-
is_sequential_cpu_offload = isinstance(getattr(component, "_hf_hook"), AlignDevicesHook)
|
| 679 |
-
logger.info(
|
| 680 |
-
"Accelerate hooks detected. Since you have called `load_lora_weights()`, the previous hooks will be first removed. Then the LoRA parameters will be loaded and the hooks will be applied again."
|
| 681 |
-
)
|
| 682 |
-
recursive = is_sequential_cpu_offload
|
| 683 |
-
remove_hook_from_module(component, recurse=recursive)
|
| 684 |
-
state_dict, network_alphas = self.lora_state_dict(
|
| 685 |
-
pretrained_model_name_or_path_or_dict,
|
| 686 |
-
unet_config=self.unet.config,
|
| 687 |
-
**kwargs,
|
| 688 |
-
)
|
| 689 |
-
self.load_lora_into_unet(state_dict, network_alphas=network_alphas, unet=self.unet)
|
| 690 |
-
|
| 691 |
-
text_encoder_state_dict = {k: v for k, v in state_dict.items() if "text_encoder." in k}
|
| 692 |
-
if len(text_encoder_state_dict) > 0:
|
| 693 |
-
self.load_lora_into_text_encoder(
|
| 694 |
-
text_encoder_state_dict,
|
| 695 |
-
network_alphas=network_alphas,
|
| 696 |
-
text_encoder=self.text_encoder,
|
| 697 |
-
prefix="text_encoder",
|
| 698 |
-
lora_scale=self.lora_scale,
|
| 699 |
-
)
|
| 700 |
-
|
| 701 |
-
text_encoder_2_state_dict = {k: v for k, v in state_dict.items() if "text_encoder_2." in k}
|
| 702 |
-
if len(text_encoder_2_state_dict) > 0:
|
| 703 |
-
self.load_lora_into_text_encoder(
|
| 704 |
-
text_encoder_2_state_dict,
|
| 705 |
-
network_alphas=network_alphas,
|
| 706 |
-
text_encoder=self.text_encoder_2,
|
| 707 |
-
prefix="text_encoder_2",
|
| 708 |
-
lora_scale=self.lora_scale,
|
| 709 |
-
)
|
| 710 |
-
|
| 711 |
-
# Offload back.
|
| 712 |
-
if is_model_cpu_offload:
|
| 713 |
-
self.enable_model_cpu_offload()
|
| 714 |
-
elif is_sequential_cpu_offload:
|
| 715 |
-
self.enable_sequential_cpu_offload()
|
| 716 |
-
|
| 717 |
-
@classmethod
|
| 718 |
-
def save_lora_weights(
|
| 719 |
-
self,
|
| 720 |
-
save_directory: Union[str, os.PathLike],
|
| 721 |
-
unet_lora_layers: Dict[str, Union[torch.nn.Module, torch.Tensor]] = None,
|
| 722 |
-
text_encoder_lora_layers: Dict[str, Union[torch.nn.Module, torch.Tensor]] = None,
|
| 723 |
-
text_encoder_2_lora_layers: Dict[str, Union[torch.nn.Module, torch.Tensor]] = None,
|
| 724 |
-
is_main_process: bool = True,
|
| 725 |
-
weight_name: str = None,
|
| 726 |
-
save_function: Callable = None,
|
| 727 |
-
safe_serialization: bool = True,
|
| 728 |
-
):
|
| 729 |
-
state_dict = {}
|
| 730 |
-
|
| 731 |
-
def pack_weights(layers, prefix):
|
| 732 |
-
layers_weights = layers.state_dict() if isinstance(layers, torch.nn.Module) else layers
|
| 733 |
-
layers_state_dict = {f"{prefix}.{module_name}": param for module_name, param in layers_weights.items()}
|
| 734 |
-
return layers_state_dict
|
| 735 |
-
|
| 736 |
-
if not (unet_lora_layers or text_encoder_lora_layers or text_encoder_2_lora_layers):
|
| 737 |
-
raise ValueError(
|
| 738 |
-
"You must pass at least one of `unet_lora_layers`, `text_encoder_lora_layers` or `text_encoder_2_lora_layers`."
|
| 739 |
-
)
|
| 740 |
-
|
| 741 |
-
if unet_lora_layers:
|
| 742 |
-
state_dict.update(pack_weights(unet_lora_layers, "unet"))
|
| 743 |
-
|
| 744 |
-
if text_encoder_lora_layers and text_encoder_2_lora_layers:
|
| 745 |
-
state_dict.update(pack_weights(text_encoder_lora_layers, "text_encoder"))
|
| 746 |
-
state_dict.update(pack_weights(text_encoder_2_lora_layers, "text_encoder_2"))
|
| 747 |
-
|
| 748 |
-
self.write_lora_layers(
|
| 749 |
-
state_dict=state_dict,
|
| 750 |
-
save_directory=save_directory,
|
| 751 |
-
is_main_process=is_main_process,
|
| 752 |
-
weight_name=weight_name,
|
| 753 |
-
save_function=save_function,
|
| 754 |
-
safe_serialization=safe_serialization,
|
| 755 |
-
)
|
| 756 |
-
|
| 757 |
-
def _remove_text_encoder_monkey_patch(self):
|
| 758 |
-
self._remove_text_encoder_monkey_patch_classmethod(self.text_encoder)
|
| 759 |
-
self._remove_text_encoder_monkey_patch_classmethod(self.text_encoder_2)
|
| 760 |
|
| 761 |
@torch.no_grad()
|
| 762 |
@replace_example_docstring(EXAMPLE_DOC_STRING)
|
|
@@ -818,779 +214,23 @@ class AccDiffusionSDXLPipeline(DiffusionPipeline, FromSingleFileMixin, LoraLoade
|
|
| 818 |
c : Optional[float] = 0.3,
|
| 819 |
):
|
| 820 |
r"""
|
| 821 |
-
|
| 822 |
-
|
| 823 |
-
Args:
|
| 824 |
-
prompt (`str` or `List[str]`, *optional*):
|
| 825 |
-
The prompt or prompts to guide the image generation. If not defined, one has to pass `prompt_embeds`.
|
| 826 |
-
instead.
|
| 827 |
-
prompt_2 (`str` or `List[str]`, *optional*):
|
| 828 |
-
The prompt or prompts to be sent to the `tokenizer_2` and `text_encoder_2`. If not defined, `prompt` is
|
| 829 |
-
used in both text-encoders
|
| 830 |
-
height (`int`, *optional*, defaults to self.unet.config.sample_size * self.vae_scale_factor):
|
| 831 |
-
The height in pixels of the generated image. This is set to 1024 by default for the best results.
|
| 832 |
-
Anything below 512 pixels won't work well for
|
| 833 |
-
[stabilityai/stable-diffusion-xl-base-1.0](https://huggingface.co/stabilityai/stable-diffusion-xl-base-1.0)
|
| 834 |
-
and checkpoints that are not specifically fine-tuned on low resolutions.
|
| 835 |
-
width (`int`, *optional*, defaults to self.unet.config.sample_size * self.vae_scale_factor):
|
| 836 |
-
The width in pixels of the generated image. This is set to 1024 by default for the best results.
|
| 837 |
-
Anything below 512 pixels won't work well for
|
| 838 |
-
[stabilityai/stable-diffusion-xl-base-1.0](https://huggingface.co/stabilityai/stable-diffusion-xl-base-1.0)
|
| 839 |
-
and checkpoints that are not specifically fine-tuned on low resolutions.
|
| 840 |
-
num_inference_steps (`int`, *optional*, defaults to 50):
|
| 841 |
-
The number of denoising steps. More denoising steps usually lead to a higher quality image at the
|
| 842 |
-
expense of slower inference.
|
| 843 |
-
denoising_end (`float`, *optional*):
|
| 844 |
-
When specified, determines the fraction (between 0.0 and 1.0) of the total denoising process to be
|
| 845 |
-
completed before it is intentionally prematurely terminated. As a result, the returned sample will
|
| 846 |
-
still retain a substantial amount of noise as determined by the discrete timesteps selected by the
|
| 847 |
-
scheduler. The denoising_end parameter should ideally be utilized when this pipeline forms a part of a
|
| 848 |
-
"Mixture of Denoisers" multi-pipeline setup, as elaborated in [**Refining the Image
|
| 849 |
-
Output**](https://huggingface.co/docs/diffusers/api/pipelines/stable_diffusion/stable_diffusion_xl#refining-the-image-output)
|
| 850 |
-
guidance_scale (`float`, *optional*, defaults to 5.0):
|
| 851 |
-
Guidance scale as defined in [Classifier-Free Diffusion Guidance](https://arxiv.org/abs/2207.12598).
|
| 852 |
-
`guidance_scale` is defined as `w` of equation 2. of [Imagen
|
| 853 |
-
Paper](https://arxiv.org/pdf/2205.11487.pdf). Guidance scale is enabled by setting `guidance_scale >
|
| 854 |
-
1`. Higher guidance scale encourages to generate images that are closely linked to the text `prompt`,
|
| 855 |
-
usually at the expense of lower image quality.
|
| 856 |
-
negative_prompt (`str` or `List[str]`, *optional*):
|
| 857 |
-
The prompt or prompts not to guide the image generation. If not defined, one has to pass
|
| 858 |
-
`negative_prompt_embeds` instead. Ignored when not using guidance (i.e., ignored if `guidance_scale` is
|
| 859 |
-
less than `1`).
|
| 860 |
-
negative_prompt_2 (`str` or `List[str]`, *optional*):
|
| 861 |
-
The prompt or prompts not to guide the image generation to be sent to `tokenizer_2` and
|
| 862 |
-
`text_encoder_2`. If not defined, `negative_prompt` is used in both text-encoders
|
| 863 |
-
num_images_per_prompt (`int`, *optional*, defaults to 1):
|
| 864 |
-
The number of images to generate per prompt.
|
| 865 |
-
eta (`float`, *optional*, defaults to 0.0):
|
| 866 |
-
Corresponds to parameter eta (ฮท) in the DDIM paper: https://arxiv.org/abs/2010.02502. Only applies to
|
| 867 |
-
[`schedulers.DDIMScheduler`], will be ignored for others.
|
| 868 |
-
generator (`torch.Generator` or `List[torch.Generator]`, *optional*):
|
| 869 |
-
One or a list of [torch generator(s)](https://pytorch.org/docs/stable/generated/torch.Generator.html)
|
| 870 |
-
to make generation deterministic.
|
| 871 |
-
latents (`torch.FloatTensor`, *optional*):
|
| 872 |
-
Pre-generated noisy latents, sampled from a Gaussian distribution, to be used as inputs for image
|
| 873 |
-
generation. Can be used to tweak the same generation with different prompts. If not provided, a latents
|
| 874 |
-
tensor will ge generated by sampling using the supplied random `generator`.
|
| 875 |
-
prompt_embeds (`torch.FloatTensor`, *optional*):
|
| 876 |
-
Pre-generated text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting. If not
|
| 877 |
-
provided, text embeddings will be generated from `prompt` input argument.
|
| 878 |
-
negative_prompt_embeds (`torch.FloatTensor`, *optional*):
|
| 879 |
-
Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
|
| 880 |
-
weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input
|
| 881 |
-
argument.
|
| 882 |
-
pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
|
| 883 |
-
Pre-generated pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting.
|
| 884 |
-
If not provided, pooled text embeddings will be generated from `prompt` input argument.
|
| 885 |
-
negative_pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
|
| 886 |
-
Pre-generated negative pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
|
| 887 |
-
weighting. If not provided, pooled negative_prompt_embeds will be generated from `negative_prompt`
|
| 888 |
-
input argument.
|
| 889 |
-
output_type (`str`, *optional*, defaults to `"pil"`):
|
| 890 |
-
The output format of the generate image. Choose between
|
| 891 |
-
[PIL](https://pillow.readthedocs.io/en/stable/): `PIL.Image.Image` or `np.array`.
|
| 892 |
-
return_dict (`bool`, *optional*, defaults to `True`):
|
| 893 |
-
Whether or not to return a [`~pipelines.stable_diffusion_xl.StableDiffusionXLPipelineOutput`] instead
|
| 894 |
-
of a plain tuple.
|
| 895 |
-
callback (`Callable`, *optional*):
|
| 896 |
-
A function that will be called every `callback_steps` steps during inference. The function will be
|
| 897 |
-
called with the following arguments: `callback(step: int, timestep: int, latents: torch.FloatTensor)`.
|
| 898 |
-
callback_steps (`int`, *optional*, defaults to 1):
|
| 899 |
-
The frequency at which the `callback` function will be called. If not specified, the callback will be
|
| 900 |
-
called at every step.
|
| 901 |
-
cross_attention_kwargs (`dict`, *optional*):
|
| 902 |
-
A kwargs dictionary that if specified is passed along to the `AttentionProcessor` as defined under
|
| 903 |
-
`self.processor` in
|
| 904 |
-
[diffusers.models.attention_processor](https://github.com/huggingface/diffusers/blob/main/src/diffusers/models/attention_processor.py).
|
| 905 |
-
guidance_rescale (`float`, *optional*, defaults to 0.7):
|
| 906 |
-
Guidance rescale factor proposed by [Common Diffusion Noise Schedules and Sample Steps are
|
| 907 |
-
Flawed](https://arxiv.org/pdf/2305.08891.pdf) `guidance_scale` is defined as `ฯ` in equation 16. of
|
| 908 |
-
[Common Diffusion Noise Schedules and Sample Steps are Flawed](https://arxiv.org/pdf/2305.08891.pdf).
|
| 909 |
-
Guidance rescale factor should fix overexposure when using zero terminal SNR.
|
| 910 |
-
original_size (`Tuple[int]`, *optional*, defaults to (1024, 1024)):
|
| 911 |
-
If `original_size` is not the same as `target_size` the image will appear to be down- or upsampled.
|
| 912 |
-
`original_size` defaults to `(width, height)` if not specified. Part of SDXL's micro-conditioning as
|
| 913 |
-
explained in section 2.2 of
|
| 914 |
-
[https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.01952).
|
| 915 |
-
crops_coords_top_left (`Tuple[int]`, *optional*, defaults to (0, 0)):
|
| 916 |
-
`crops_coords_top_left` can be used to generate an image that appears to be "cropped" from the position
|
| 917 |
-
`crops_coords_top_left` downwards. Favorable, well-centered images are usually achieved by setting
|
| 918 |
-
`crops_coords_top_left` to (0, 0). Part of SDXL's micro-conditioning as explained in section 2.2 of
|
| 919 |
-
[https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.01952).
|
| 920 |
-
target_size (`Tuple[int]`, *optional*, defaults to (1024, 1024)):
|
| 921 |
-
For most cases, `target_size` should be set to the desired height and width of the generated image. If
|
| 922 |
-
not specified it will default to `(width, height)`. Part of SDXL's micro-conditioning as explained in
|
| 923 |
-
section 2.2 of [https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.01952).
|
| 924 |
-
negative_original_size (`Tuple[int]`, *optional*, defaults to (1024, 1024)):
|
| 925 |
-
To negatively condition the generation process based on a specific image resolution. Part of SDXL's
|
| 926 |
-
micro-conditioning as explained in section 2.2 of
|
| 927 |
-
[https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.01952). For more
|
| 928 |
-
information, refer to this issue thread: https://github.com/huggingface/diffusers/issues/4208.
|
| 929 |
-
negative_crops_coords_top_left (`Tuple[int]`, *optional*, defaults to (0, 0)):
|
| 930 |
-
To negatively condition the generation process based on a specific crop coordinates. Part of SDXL's
|
| 931 |
-
micro-conditioning as explained in section 2.2 of
|
| 932 |
-
[https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.01952). For more
|
| 933 |
-
information, refer to this issue thread: https://github.com/huggingface/diffusers/issues/4208.
|
| 934 |
-
negative_target_size (`Tuple[int]`, *optional*, defaults to (1024, 1024)):
|
| 935 |
-
To negatively condition the generation process based on a target image resolution. It should be as same
|
| 936 |
-
as the `target_size` for most cases. Part of SDXL's micro-conditioning as explained in section 2.2 of
|
| 937 |
-
[https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.01952). For more
|
| 938 |
-
information, refer to this issue thread: https://github.com/huggingface/diffusers/issues/4208.
|
| 939 |
-
################### AccDiffusion specific parameters ####################
|
| 940 |
-
# We build AccDiffusion based on Demofusion pipeline (see paper: https://arxiv.org/pdf/2311.16973.pdf)
|
| 941 |
-
image_lr (`torch.FloatTensor`, *optional*, , defaults to None):
|
| 942 |
-
Low-resolution image input for upscaling.
|
| 943 |
-
view_batch_size (`int`, defaults to 16):
|
| 944 |
-
The batch size for multiple denoising paths. Typically, a larger batch size can result in higher
|
| 945 |
-
efficiency but comes with increased GPU memory requirements.
|
| 946 |
-
multi_decoder (`bool`, defaults to True):
|
| 947 |
-
Determine whether to use a tiled decoder. Generally, when the resolution exceeds 3072x3072,
|
| 948 |
-
a tiled decoder becomes necessary.
|
| 949 |
-
stride (`int`, defaults to 64):
|
| 950 |
-
The stride of moving local patches. A smaller stride is better for alleviating seam issues,
|
| 951 |
-
but it also introduces additional computational overhead and inference time.
|
| 952 |
-
cosine_scale_1 (`float`, defaults to 3):
|
| 953 |
-
Control the strength of skip-residual. For specific impacts, please refer to Appendix C
|
| 954 |
-
in the DemoFusion paper. (see paper : https://arxiv.org/pdf/2311.16973.pdf)
|
| 955 |
-
cosine_scale_2 (`float`, defaults to 1):
|
| 956 |
-
Control the strength of dilated sampling. For specific impacts, please refer to Appendix C
|
| 957 |
-
in the DemoFusion paper.(see paper : https://arxiv.org/pdf/2311.16973.pdf)
|
| 958 |
-
cosine_scale_3 (`float`, defaults to 1):
|
| 959 |
-
Control the strength of the gaussion filter. For specific impacts, please refer to Appendix C
|
| 960 |
-
in the DemoFusion paper.(see paper : https://arxiv.org/pdf/2311.16973.pdf)
|
| 961 |
-
sigma (`float`, defaults to 1):
|
| 962 |
-
The standard value of the gaussian filter.
|
| 963 |
-
show_image (`bool`, defaults to False):
|
| 964 |
-
Determine whether to show intermediate results during generation.
|
| 965 |
-
lowvram (`bool`, defaults to False):
|
| 966 |
-
Try to fit in 8 Gb of VRAM, with xformers installed.
|
| 967 |
-
|
| 968 |
-
Examples:
|
| 969 |
-
|
| 970 |
-
Returns:
|
| 971 |
-
a `list` with the generated images at each phase.
|
| 972 |
"""
|
| 973 |
-
|
| 974 |
-
|
| 975 |
-
num_inference_steps = 1
|
| 976 |
-
|
| 977 |
-
# 0. Default height and width to unet
|
| 978 |
-
height = height or self.default_sample_size * self.vae_scale_factor
|
| 979 |
-
width = width or self.default_sample_size * self.vae_scale_factor
|
| 980 |
-
|
| 981 |
-
x1_size = self.default_sample_size * self.vae_scale_factor
|
| 982 |
-
|
| 983 |
-
height_scale = height / x1_size
|
| 984 |
-
width_scale = width / x1_size
|
| 985 |
-
scale_num = int(max(height_scale, width_scale))
|
| 986 |
-
aspect_ratio = min(height_scale, width_scale) / max(height_scale, width_scale)
|
| 987 |
-
|
| 988 |
-
original_size = original_size or (height, width)
|
| 989 |
-
target_size = target_size or (height, width)
|
| 990 |
-
|
| 991 |
-
if attn_res is None:
|
| 992 |
-
attn_res = int(np.ceil(self.default_sample_size * self.vae_scale_factor / 32)), int(np.ceil(self.default_sample_size * self.vae_scale_factor / 32))
|
| 993 |
-
self.attn_res = attn_res
|
| 994 |
-
|
| 995 |
-
if lowvram:
|
| 996 |
-
attention_map_device = torch.device("cpu")
|
| 997 |
-
else:
|
| 998 |
-
attention_map_device = self.device
|
| 999 |
-
|
| 1000 |
-
self.controller = create_controller(
|
| 1001 |
-
prompt, cross_attention_kwargs, num_inference_steps, tokenizer=self.tokenizer, device=attention_map_device, attn_res=self.attn_res
|
| 1002 |
-
)
|
| 1003 |
-
|
| 1004 |
-
if save_attention_map or use_md_prompt:
|
| 1005 |
-
ori_attn_processors = self.register_attention_control(self.controller) # add attention controller
|
| 1006 |
-
|
| 1007 |
-
# 1. Check inputs. Raise error if not correct
|
| 1008 |
-
self.check_inputs(
|
| 1009 |
-
prompt,
|
| 1010 |
-
prompt_2,
|
| 1011 |
-
height,
|
| 1012 |
-
width,
|
| 1013 |
-
callback_steps,
|
| 1014 |
-
negative_prompt,
|
| 1015 |
-
negative_prompt_2,
|
| 1016 |
-
prompt_embeds,
|
| 1017 |
-
negative_prompt_embeds,
|
| 1018 |
-
pooled_prompt_embeds,
|
| 1019 |
-
negative_pooled_prompt_embeds,
|
| 1020 |
-
num_images_per_prompt,
|
| 1021 |
-
)
|
| 1022 |
-
|
| 1023 |
-
# 2. Define call parameters
|
| 1024 |
-
if prompt is not None and isinstance(prompt, str):
|
| 1025 |
-
batch_size = 1
|
| 1026 |
-
elif prompt is not None and isinstance(prompt, list):
|
| 1027 |
-
batch_size = len(prompt)
|
| 1028 |
-
else:
|
| 1029 |
-
batch_size = prompt_embeds.shape[0]
|
| 1030 |
-
|
| 1031 |
-
device = self._execution_device
|
| 1032 |
-
self.lowvram = lowvram
|
| 1033 |
-
if self.lowvram:
|
| 1034 |
-
self.vae.cpu()
|
| 1035 |
-
self.unet.cpu()
|
| 1036 |
-
self.text_encoder.to(device)
|
| 1037 |
-
self.text_encoder_2.to(device)
|
| 1038 |
-
# image_lr.cpu()
|
| 1039 |
-
|
| 1040 |
-
# here `guidance_scale` is defined analog to the guidance weight `w` of equation (2)
|
| 1041 |
-
# of the Imagen paper: https://arxiv.org/pdf/2205.11487.pdf . `guidance_scale = 1`
|
| 1042 |
-
# corresponds to doing no classifier free guidance.
|
| 1043 |
-
do_classifier_free_guidance = guidance_scale > 1.0
|
| 1044 |
-
|
| 1045 |
-
# 3. Encode input prompt
|
| 1046 |
-
text_encoder_lora_scale = (
|
| 1047 |
-
cross_attention_kwargs.get("scale", None) if cross_attention_kwargs is not None else None
|
| 1048 |
-
)
|
| 1049 |
-
|
| 1050 |
-
(
|
| 1051 |
-
prompt_embeds,
|
| 1052 |
-
negative_prompt_embeds,
|
| 1053 |
-
pooled_prompt_embeds,
|
| 1054 |
-
negative_pooled_prompt_embeds,
|
| 1055 |
-
) = self.encode_prompt(
|
| 1056 |
-
prompt=prompt,
|
| 1057 |
-
prompt_2=prompt_2,
|
| 1058 |
-
device=device,
|
| 1059 |
-
num_images_per_prompt=num_images_per_prompt,
|
| 1060 |
-
do_classifier_free_guidance=do_classifier_free_guidance,
|
| 1061 |
-
negative_prompt=negative_prompt,
|
| 1062 |
-
negative_prompt_2=negative_prompt_2,
|
| 1063 |
-
prompt_embeds=prompt_embeds,
|
| 1064 |
-
negative_prompt_embeds=negative_prompt_embeds,
|
| 1065 |
-
pooled_prompt_embeds=pooled_prompt_embeds,
|
| 1066 |
-
negative_pooled_prompt_embeds=negative_pooled_prompt_embeds,
|
| 1067 |
-
lora_scale=text_encoder_lora_scale,
|
| 1068 |
-
)
|
| 1069 |
-
|
| 1070 |
-
# 4. Prepare timesteps
|
| 1071 |
-
self.scheduler.set_timesteps(num_inference_steps, device=device)
|
| 1072 |
-
|
| 1073 |
-
timesteps = self.scheduler.timesteps
|
| 1074 |
-
|
| 1075 |
-
# 5. Prepare latent variables
|
| 1076 |
-
num_channels_latents = self.unet.config.in_channels
|
| 1077 |
-
latents = self.prepare_latents(
|
| 1078 |
-
batch_size * num_images_per_prompt,
|
| 1079 |
-
num_channels_latents,
|
| 1080 |
-
height // scale_num,
|
| 1081 |
-
width // scale_num,
|
| 1082 |
-
prompt_embeds.dtype,
|
| 1083 |
-
device,
|
| 1084 |
-
generator,
|
| 1085 |
-
latents,
|
| 1086 |
-
)
|
| 1087 |
-
|
| 1088 |
-
|
| 1089 |
-
# 6. Prepare extra step kwargs. TODO: Logic should ideally just be moved out of the pipeline
|
| 1090 |
-
extra_step_kwargs = self.prepare_extra_step_kwargs(generator, eta)
|
| 1091 |
-
|
| 1092 |
-
# 7. Prepare added time ids & embeddings
|
| 1093 |
-
add_text_embeds = pooled_prompt_embeds
|
| 1094 |
-
|
| 1095 |
-
add_time_ids = self._get_add_time_ids(
|
| 1096 |
-
original_size, crops_coords_top_left, target_size, dtype=prompt_embeds.dtype
|
| 1097 |
-
)
|
| 1098 |
-
|
| 1099 |
-
if negative_original_size is not None and negative_target_size is not None:
|
| 1100 |
-
negative_add_time_ids = self._get_add_time_ids(
|
| 1101 |
-
negative_original_size,
|
| 1102 |
-
negative_crops_coords_top_left,
|
| 1103 |
-
negative_target_size,
|
| 1104 |
-
dtype=prompt_embeds.dtype,
|
| 1105 |
-
)
|
| 1106 |
-
else:
|
| 1107 |
-
negative_add_time_ids = add_time_ids
|
| 1108 |
-
|
| 1109 |
-
if do_classifier_free_guidance:
|
| 1110 |
-
prompt_embeds = torch.cat([negative_prompt_embeds, prompt_embeds], dim=0).to(device)
|
| 1111 |
-
add_text_embeds = torch.cat([negative_pooled_prompt_embeds, add_text_embeds], dim=0).to(device)
|
| 1112 |
-
add_time_ids = torch.cat([negative_add_time_ids, add_time_ids], dim=0).to(device).repeat(batch_size * num_images_per_prompt, 1)
|
| 1113 |
-
|
| 1114 |
-
del negative_prompt_embeds, negative_pooled_prompt_embeds, negative_add_time_ids
|
| 1115 |
-
|
| 1116 |
-
# 8. Denoising loop
|
| 1117 |
-
num_warmup_steps = max(len(timesteps) - num_inference_steps * self.scheduler.order, 0)
|
| 1118 |
-
|
| 1119 |
-
|
| 1120 |
-
# 7.1 Apply denoising_end
|
| 1121 |
-
if denoising_end is not None and isinstance(denoising_end, float) and denoising_end > 0 and denoising_end < 1:
|
| 1122 |
-
discrete_timestep_cutoff = int(
|
| 1123 |
-
round(
|
| 1124 |
-
self.scheduler.config.num_train_timesteps
|
| 1125 |
-
- (denoising_end * self.scheduler.config.num_train_timesteps)
|
| 1126 |
-
)
|
| 1127 |
-
)
|
| 1128 |
-
num_inference_steps = len(list(filter(lambda ts: ts >= discrete_timestep_cutoff, timesteps)))
|
| 1129 |
-
timesteps = timesteps[:num_inference_steps]
|
| 1130 |
-
|
| 1131 |
output_images = []
|
| 1132 |
-
|
| 1133 |
-
###################################################### Phase Initialization ########################################################
|
| 1134 |
-
|
| 1135 |
-
if self.lowvram:
|
| 1136 |
-
self.text_encoder.cpu()
|
| 1137 |
-
self.text_encoder_2.cpu()
|
| 1138 |
-
|
| 1139 |
-
if image_lr == None:
|
| 1140 |
-
print("### Phase 1 Denoising ###")
|
| 1141 |
-
with self.progress_bar(total=num_inference_steps) as progress_bar:
|
| 1142 |
-
for i, t in enumerate(timesteps):
|
| 1143 |
-
|
| 1144 |
-
if self.lowvram:
|
| 1145 |
-
self.vae.cpu()
|
| 1146 |
-
self.unet.to(device)
|
| 1147 |
-
|
| 1148 |
-
latents_for_view = latents
|
| 1149 |
-
|
| 1150 |
-
# expand the latents if we are doing classifier free guidance
|
| 1151 |
-
latent_model_input = (
|
| 1152 |
-
latents.repeat_interleave(2, dim=0)
|
| 1153 |
-
if do_classifier_free_guidance
|
| 1154 |
-
else latents
|
| 1155 |
-
)
|
| 1156 |
-
latent_model_input = self.scheduler.scale_model_input(latent_model_input, t)
|
| 1157 |
-
|
| 1158 |
-
# predict the noise residual
|
| 1159 |
-
added_cond_kwargs = {"text_embeds": add_text_embeds, "time_ids": add_time_ids}
|
| 1160 |
-
|
| 1161 |
-
noise_pred = self.unet(
|
| 1162 |
-
latent_model_input,
|
| 1163 |
-
t,
|
| 1164 |
-
encoder_hidden_states=prompt_embeds,
|
| 1165 |
-
# cross_attention_kwargs=cross_attention_kwargs,
|
| 1166 |
-
added_cond_kwargs=added_cond_kwargs,
|
| 1167 |
-
return_dict=False,
|
| 1168 |
-
)[0]
|
| 1169 |
-
|
| 1170 |
-
# perform guidance
|
| 1171 |
-
if do_classifier_free_guidance:
|
| 1172 |
-
noise_pred_uncond, noise_pred_text = noise_pred[::2], noise_pred[1::2]
|
| 1173 |
-
noise_pred = noise_pred_uncond + guidance_scale * (noise_pred_text - noise_pred_uncond)
|
| 1174 |
-
|
| 1175 |
-
if do_classifier_free_guidance and guidance_rescale > 0.0:
|
| 1176 |
-
# Based on 3.4. in https://arxiv.org/pdf/2305.08891.pdf
|
| 1177 |
-
noise_pred = rescale_noise_cfg(noise_pred, noise_pred_text, guidance_rescale=guidance_rescale)
|
| 1178 |
-
|
| 1179 |
-
# compute the previous noisy sample x_t -> x_t-1
|
| 1180 |
-
latents = self.scheduler.step(noise_pred, t, latents, **extra_step_kwargs, return_dict=False)[0]
|
| 1181 |
-
|
| 1182 |
-
# # step callback
|
| 1183 |
-
# latents = self.controller.step_callback(latents)
|
| 1184 |
-
if t == 1 and use_md_prompt:
|
| 1185 |
-
# show_cross_attention(tokenizer=self.tokenizer, prompts=[prompt], attention_store=self.controller, res=self.attn_res[0], from_where=["up","down"], select=0, t=int(t))
|
| 1186 |
-
md_prompts, views_attention = get_multidiffusion_prompts(tokenizer=self.tokenizer, prompts=[prompt], threthod=c,attention_store=self.controller, height=height//scale_num, width =width//scale_num, from_where=["up","down"], random_jitter=True, scale_num=scale_num)
|
| 1187 |
-
|
| 1188 |
-
# call the callback, if provided
|
| 1189 |
-
if i == len(timesteps) - 1 or ((i + 1) > num_warmup_steps and (i + 1) % self.scheduler.order == 0):
|
| 1190 |
-
progress_bar.update()
|
| 1191 |
-
if callback is not None and i % callback_steps == 0:
|
| 1192 |
-
step_idx = i // getattr(self.scheduler, "order", 1)
|
| 1193 |
-
callback(step_idx, t, latents)
|
| 1194 |
-
|
| 1195 |
-
del latents_for_view, latent_model_input, noise_pred, noise_pred_text, noise_pred_uncond
|
| 1196 |
-
if use_md_prompt or save_attention_map:
|
| 1197 |
-
self.recover_attention_control(ori_attn_processors=ori_attn_processors) # recover attention controller
|
| 1198 |
-
del self.controller
|
| 1199 |
-
torch.cuda.empty_cache()
|
| 1200 |
-
else:
|
| 1201 |
-
print("### Encoding Real Image ###")
|
| 1202 |
-
latents = self.vae.encode(image_lr)
|
| 1203 |
-
latents = latents.latent_dist.sample() * self.vae.config.scaling_factor
|
| 1204 |
-
|
| 1205 |
-
anchor_mean = latents.mean()
|
| 1206 |
-
anchor_std = latents.std()
|
| 1207 |
-
if self.lowvram:
|
| 1208 |
-
latents = latents.cpu()
|
| 1209 |
-
torch.cuda.empty_cache()
|
| 1210 |
-
if not output_type == "latent":
|
| 1211 |
-
# make sure the VAE is in float32 mode, as it overflows in float16
|
| 1212 |
-
needs_upcasting = self.vae.dtype == torch.float16 and self.vae.config.force_upcast
|
| 1213 |
-
|
| 1214 |
-
if self.lowvram:
|
| 1215 |
-
needs_upcasting = False # use madebyollin/sdxl-vae-fp16-fix in lowvram mode!
|
| 1216 |
-
self.unet.cpu()
|
| 1217 |
-
self.vae.to(device)
|
| 1218 |
-
|
| 1219 |
-
if needs_upcasting:
|
| 1220 |
-
self.upcast_vae()
|
| 1221 |
-
latents = latents.to(next(iter(self.vae.post_quant_conv.parameters())).dtype)
|
| 1222 |
-
if self.lowvram and multi_decoder:
|
| 1223 |
-
current_width_height = self.unet.config.sample_size * self.vae_scale_factor
|
| 1224 |
-
image = self.tiled_decode(latents, current_width_height, current_width_height)
|
| 1225 |
-
else:
|
| 1226 |
-
image = self.vae.decode(latents / self.vae.config.scaling_factor, return_dict=False)[0]
|
| 1227 |
-
# cast back to fp16 if needed
|
| 1228 |
-
if needs_upcasting:
|
| 1229 |
-
self.vae.to(dtype=torch.float16)
|
| 1230 |
-
torch.cuda.empty_cache()
|
| 1231 |
-
|
| 1232 |
-
image = self.image_processor.postprocess(image, output_type=output_type)
|
| 1233 |
-
if not os.path.exists(f'{result_path}'):
|
| 1234 |
-
os.makedirs(f'{result_path}')
|
| 1235 |
-
|
| 1236 |
-
image_lr_save_path = f'{result_path}/{image[0].size[0]}_{image[0].size[1]}.png'
|
| 1237 |
-
image[0].save(image_lr_save_path)
|
| 1238 |
-
output_images.append(image[0])
|
| 1239 |
-
|
| 1240 |
-
####################################################### Phase Upscaling #####################################################
|
| 1241 |
-
if use_progressive_upscaling:
|
| 1242 |
-
if image_lr == None:
|
| 1243 |
-
starting_scale = 2
|
| 1244 |
-
else:
|
| 1245 |
-
starting_scale = 1
|
| 1246 |
-
else:
|
| 1247 |
-
starting_scale = scale_num
|
| 1248 |
-
|
| 1249 |
-
for current_scale_num in range(starting_scale, scale_num + 1):
|
| 1250 |
-
if self.lowvram:
|
| 1251 |
-
latents = latents.to(device)
|
| 1252 |
-
self.unet.to(device)
|
| 1253 |
-
torch.cuda.empty_cache()
|
| 1254 |
-
|
| 1255 |
-
current_height = self.unet.config.sample_size * self.vae_scale_factor * current_scale_num
|
| 1256 |
-
current_width = self.unet.config.sample_size * self.vae_scale_factor * current_scale_num
|
| 1257 |
-
|
| 1258 |
-
if height > width:
|
| 1259 |
-
current_width = int(current_width * aspect_ratio)
|
| 1260 |
-
else:
|
| 1261 |
-
current_height = int(current_height * aspect_ratio)
|
| 1262 |
-
|
| 1263 |
-
|
| 1264 |
-
if upscale_mode == "bicubic_latent" or debug:
|
| 1265 |
-
latents = F.interpolate(latents.to(device), size=(int(current_height / self.vae_scale_factor), int(current_width / self.vae_scale_factor)), mode='bicubic')
|
| 1266 |
-
else:
|
| 1267 |
-
raise NotImplementedError
|
| 1268 |
-
|
| 1269 |
-
print("### Phase {} Denoising ###".format(current_scale_num))
|
| 1270 |
-
############################################# noise inverse #############################################
|
| 1271 |
-
noise_latents = []
|
| 1272 |
-
noise = torch.randn_like(latents)
|
| 1273 |
-
for timestep in timesteps:
|
| 1274 |
-
noise_latent = self.scheduler.add_noise(latents, noise, timestep.unsqueeze(0))
|
| 1275 |
-
noise_latents.append(noise_latent)
|
| 1276 |
-
latents = noise_latents[0]
|
| 1277 |
|
| 1278 |
-
|
| 1279 |
-
|
| 1280 |
-
for i, t in enumerate(timesteps):
|
| 1281 |
-
count = torch.zeros_like(latents)
|
| 1282 |
-
value = torch.zeros_like(latents)
|
| 1283 |
-
cosine_factor = 0.5 * (1 + torch.cos(torch.pi * (self.scheduler.config.num_train_timesteps - t) / self.scheduler.config.num_train_timesteps)).cpu()
|
| 1284 |
-
if use_skip_residual:
|
| 1285 |
-
c1 = cosine_factor ** cosine_scale_1
|
| 1286 |
-
latents = latents * (1 - c1) + noise_latents[i] * c1
|
| 1287 |
-
|
| 1288 |
-
if use_multidiffusion:
|
| 1289 |
-
############################################# MultiDiffusion #############################################
|
| 1290 |
-
if use_md_prompt:
|
| 1291 |
-
md_prompt_embeds_list = []
|
| 1292 |
-
md_add_text_embeds_list = []
|
| 1293 |
-
for md_prompt in md_prompts[current_scale_num]:
|
| 1294 |
-
(
|
| 1295 |
-
md_prompt_embeds,
|
| 1296 |
-
md_negative_prompt_embeds,
|
| 1297 |
-
md_pooled_prompt_embeds,
|
| 1298 |
-
md_negative_pooled_prompt_embeds,
|
| 1299 |
-
) = self.encode_prompt(
|
| 1300 |
-
prompt=md_prompt,
|
| 1301 |
-
prompt_2=prompt_2,
|
| 1302 |
-
device=device,
|
| 1303 |
-
num_images_per_prompt=num_images_per_prompt,
|
| 1304 |
-
do_classifier_free_guidance=do_classifier_free_guidance,
|
| 1305 |
-
negative_prompt=negative_prompt,
|
| 1306 |
-
negative_prompt_2=negative_prompt_2,
|
| 1307 |
-
prompt_embeds=None,
|
| 1308 |
-
negative_prompt_embeds=None,
|
| 1309 |
-
pooled_prompt_embeds=None,
|
| 1310 |
-
negative_pooled_prompt_embeds=None,
|
| 1311 |
-
lora_scale=text_encoder_lora_scale,
|
| 1312 |
-
)
|
| 1313 |
-
md_prompt_embeds_list.append(torch.cat([md_negative_prompt_embeds, md_prompt_embeds], dim=0).to(device))
|
| 1314 |
-
md_add_text_embeds_list.append(torch.cat([md_negative_pooled_prompt_embeds, md_pooled_prompt_embeds], dim=0).to(device))
|
| 1315 |
-
del md_negative_prompt_embeds, md_negative_pooled_prompt_embeds
|
| 1316 |
-
|
| 1317 |
-
if use_md_prompt:
|
| 1318 |
-
random_jitter = True
|
| 1319 |
-
views = [(h_start*4, h_end*4, w_start*4, w_end*4) for h_start, h_end, w_start, w_end in views_attention[current_scale_num]]
|
| 1320 |
-
else:
|
| 1321 |
-
random_jitter = True
|
| 1322 |
-
views = self.get_views(current_height, current_width, stride=stride, window_size=self.unet.config.sample_size, random_jitter=random_jitter)
|
| 1323 |
-
|
| 1324 |
-
views_batch = [views[i : i + view_batch_size] for i in range(0, len(views), view_batch_size)]
|
| 1325 |
-
|
| 1326 |
-
if use_md_prompt:
|
| 1327 |
-
views_prompt_embeds_input = [md_prompt_embeds_list[i : i + view_batch_size] for i in range(0, len(views), view_batch_size)]
|
| 1328 |
-
views_add_text_embeds_input = [md_add_text_embeds_list[i : i + view_batch_size] for i in range(0, len(views), view_batch_size)]
|
| 1329 |
-
|
| 1330 |
-
if random_jitter:
|
| 1331 |
-
jitter_range = int((self.unet.config.sample_size - stride) // 4)
|
| 1332 |
-
latents_ = F.pad(latents, (jitter_range, jitter_range, jitter_range, jitter_range), 'constant', 0)
|
| 1333 |
-
else:
|
| 1334 |
-
latents_ = latents
|
| 1335 |
-
|
| 1336 |
-
count_local = torch.zeros_like(latents_)
|
| 1337 |
-
value_local = torch.zeros_like(latents_)
|
| 1338 |
-
|
| 1339 |
-
for j, batch_view in enumerate(views_batch):
|
| 1340 |
-
vb_size = len(batch_view)
|
| 1341 |
-
# get the latents corresponding to the current view coordinates
|
| 1342 |
-
latents_for_view = torch.cat(
|
| 1343 |
-
[
|
| 1344 |
-
latents_[:, :, h_start:h_end, w_start:w_end]
|
| 1345 |
-
for h_start, h_end, w_start, w_end in batch_view
|
| 1346 |
-
]
|
| 1347 |
-
)
|
| 1348 |
-
|
| 1349 |
-
# expand the latents if we are doing classifier free guidance
|
| 1350 |
-
latent_model_input = latents_for_view
|
| 1351 |
-
latent_model_input = (
|
| 1352 |
-
latent_model_input.repeat_interleave(2, dim=0)
|
| 1353 |
-
if do_classifier_free_guidance
|
| 1354 |
-
else latent_model_input
|
| 1355 |
-
)
|
| 1356 |
-
latent_model_input = self.scheduler.scale_model_input(latent_model_input, t)
|
| 1357 |
-
|
| 1358 |
-
add_time_ids_input = []
|
| 1359 |
-
for h_start, h_end, w_start, w_end in batch_view:
|
| 1360 |
-
add_time_ids_ = add_time_ids.clone()
|
| 1361 |
-
add_time_ids_[:, 2] = h_start * self.vae_scale_factor
|
| 1362 |
-
add_time_ids_[:, 3] = w_start * self.vae_scale_factor
|
| 1363 |
-
add_time_ids_input.append(add_time_ids_)
|
| 1364 |
-
add_time_ids_input = torch.cat(add_time_ids_input)
|
| 1365 |
-
|
| 1366 |
-
if not use_md_prompt:
|
| 1367 |
-
prompt_embeds_input = torch.cat([prompt_embeds] * vb_size)
|
| 1368 |
-
add_text_embeds_input = torch.cat([add_text_embeds] * vb_size)
|
| 1369 |
-
# predict the noise residual
|
| 1370 |
-
added_cond_kwargs = {"text_embeds": add_text_embeds_input, "time_ids": add_time_ids_input}
|
| 1371 |
-
noise_pred = self.unet(
|
| 1372 |
-
latent_model_input,
|
| 1373 |
-
t,
|
| 1374 |
-
encoder_hidden_states=prompt_embeds_input,
|
| 1375 |
-
# cross_attention_kwargs=cross_attention_kwargs,
|
| 1376 |
-
added_cond_kwargs=added_cond_kwargs,
|
| 1377 |
-
return_dict=False,
|
| 1378 |
-
)[0]
|
| 1379 |
-
else:
|
| 1380 |
-
md_prompt_embeds_input = torch.cat(views_prompt_embeds_input[j])
|
| 1381 |
-
md_add_text_embeds_input = torch.cat(views_add_text_embeds_input[j])
|
| 1382 |
-
md_added_cond_kwargs = {"text_embeds": md_add_text_embeds_input, "time_ids": add_time_ids_input}
|
| 1383 |
-
noise_pred = self.unet(
|
| 1384 |
-
latent_model_input,
|
| 1385 |
-
t,
|
| 1386 |
-
encoder_hidden_states=md_prompt_embeds_input,
|
| 1387 |
-
# cross_attention_kwargs=cross_attention_kwargs,
|
| 1388 |
-
added_cond_kwargs=md_added_cond_kwargs,
|
| 1389 |
-
return_dict=False,
|
| 1390 |
-
)[0]
|
| 1391 |
-
|
| 1392 |
-
if do_classifier_free_guidance:
|
| 1393 |
-
noise_pred_uncond, noise_pred_text = noise_pred[::2], noise_pred[1::2]
|
| 1394 |
-
noise_pred = noise_pred_uncond + multi_guidance_scale * (noise_pred_text - noise_pred_uncond)
|
| 1395 |
-
|
| 1396 |
-
if do_classifier_free_guidance and guidance_rescale > 0.0:
|
| 1397 |
-
# Based on 3.4. in https://arxiv.org/pdf/2305.08891.pdf
|
| 1398 |
-
noise_pred = rescale_noise_cfg(noise_pred, noise_pred_text, guidance_rescale=guidance_rescale)
|
| 1399 |
-
|
| 1400 |
-
# compute the previous noisy sample x_t -> x_t-1
|
| 1401 |
-
self.scheduler._init_step_index(t)
|
| 1402 |
-
latents_denoised_batch = self.scheduler.step(
|
| 1403 |
-
noise_pred, t, latents_for_view, **extra_step_kwargs, return_dict=False)[0]
|
| 1404 |
-
|
| 1405 |
-
# extract value from batch
|
| 1406 |
-
for latents_view_denoised, (h_start, h_end, w_start, w_end) in zip(
|
| 1407 |
-
latents_denoised_batch.chunk(vb_size), batch_view
|
| 1408 |
-
):
|
| 1409 |
-
value_local[:, :, h_start:h_end, w_start:w_end] += latents_view_denoised
|
| 1410 |
-
count_local[:, :, h_start:h_end, w_start:w_end] += 1
|
| 1411 |
-
|
| 1412 |
-
if random_jitter:
|
| 1413 |
-
value_local = value_local[: ,:, jitter_range: jitter_range + current_height // self.vae_scale_factor, jitter_range: jitter_range + current_width // self.vae_scale_factor]
|
| 1414 |
-
count_local = count_local[: ,:, jitter_range: jitter_range + current_height // self.vae_scale_factor, jitter_range: jitter_range + current_width // self.vae_scale_factor]
|
| 1415 |
-
|
| 1416 |
-
if i != (len(timesteps) - 1):
|
| 1417 |
-
noise_index = i + 1
|
| 1418 |
-
else:
|
| 1419 |
-
noise_index = i
|
| 1420 |
-
|
| 1421 |
-
value_local = torch.where(count_local == 0, noise_latents[noise_index], value_local)
|
| 1422 |
-
count_local = torch.where(count_local == 0, torch.ones_like(count_local), count_local)
|
| 1423 |
-
if use_dilated_sampling:
|
| 1424 |
-
c2 = cosine_factor ** cosine_scale_2
|
| 1425 |
-
value += value_local / count_local * (1 - c2)
|
| 1426 |
-
count += torch.ones_like(value_local) * (1 - c2)
|
| 1427 |
-
else:
|
| 1428 |
-
value += value_local / count_local
|
| 1429 |
-
count += torch.ones_like(value_local)
|
| 1430 |
-
|
| 1431 |
-
if use_dilated_sampling:
|
| 1432 |
-
############################################# Dilated Sampling #############################################
|
| 1433 |
-
views = [[h, w] for h in range(current_scale_num) for w in range(current_scale_num)]
|
| 1434 |
-
views_batch = [views[i : i + view_batch_size] for i in range(0, len(views), view_batch_size)]
|
| 1435 |
-
|
| 1436 |
-
h_pad = (current_scale_num - (latents.size(2) % current_scale_num)) % current_scale_num
|
| 1437 |
-
w_pad = (current_scale_num - (latents.size(3) % current_scale_num)) % current_scale_num
|
| 1438 |
-
latents_ = F.pad(latents, (w_pad, 0, h_pad, 0), 'constant', 0)
|
| 1439 |
-
|
| 1440 |
-
count_global = torch.zeros_like(latents_)
|
| 1441 |
-
value_global = torch.zeros_like(latents_)
|
| 1442 |
-
|
| 1443 |
-
if use_guassian:
|
| 1444 |
-
c3 = 0.99 * cosine_factor ** cosine_scale_3 + 1e-2
|
| 1445 |
-
std_, mean_ = latents_.std(), latents_.mean()
|
| 1446 |
-
latents_gaussian = gaussian_filter(latents_, kernel_size=(2*current_scale_num-1), sigma=sigma*c3)
|
| 1447 |
-
latents_gaussian = (latents_gaussian - latents_gaussian.mean()) / latents_gaussian.std() * std_ + mean_
|
| 1448 |
-
else:
|
| 1449 |
-
latents_gaussian = latents_
|
| 1450 |
-
|
| 1451 |
-
for j, batch_view in enumerate(views_batch):
|
| 1452 |
-
|
| 1453 |
-
latents_for_view = torch.cat(
|
| 1454 |
-
[
|
| 1455 |
-
latents_[:, :, h::current_scale_num, w::current_scale_num]
|
| 1456 |
-
for h, w in batch_view
|
| 1457 |
-
]
|
| 1458 |
-
)
|
| 1459 |
-
|
| 1460 |
-
latents_for_view_gaussian = torch.cat(
|
| 1461 |
-
[
|
| 1462 |
-
latents_gaussian[:, :, h::current_scale_num, w::current_scale_num]
|
| 1463 |
-
for h, w in batch_view
|
| 1464 |
-
]
|
| 1465 |
-
)
|
| 1466 |
-
|
| 1467 |
-
if shuffle:
|
| 1468 |
-
######## window interaction ########
|
| 1469 |
-
shape = latents_for_view.shape
|
| 1470 |
-
shuffle_index = torch.stack([torch.randperm(shape[0]) for _ in range(latents_for_view.reshape(-1).shape[0]//shape[0])])
|
| 1471 |
-
|
| 1472 |
-
shuffle_index = shuffle_index.view(shape[1],shape[2],shape[3],shape[0])
|
| 1473 |
-
original_index = torch.zeros_like(shuffle_index).scatter_(3, shuffle_index, torch.arange(shape[0]).repeat(shape[1], shape[2], shape[3], 1))
|
| 1474 |
-
|
| 1475 |
-
shuffle_index = shuffle_index.permute(3,0,1,2).to(device)
|
| 1476 |
-
original_index = original_index.permute(3,0,1,2).to(device)
|
| 1477 |
-
latents_for_view_gaussian = latents_for_view_gaussian.gather(0, shuffle_index)
|
| 1478 |
-
|
| 1479 |
-
vb_size = latents_for_view.size(0)
|
| 1480 |
-
|
| 1481 |
-
# expand the latents if we are doing classifier free guidance
|
| 1482 |
-
latent_model_input = latents_for_view_gaussian
|
| 1483 |
-
latent_model_input = (
|
| 1484 |
-
latent_model_input.repeat_interleave(2, dim=0)
|
| 1485 |
-
if do_classifier_free_guidance
|
| 1486 |
-
else latent_model_input
|
| 1487 |
-
)
|
| 1488 |
-
latent_model_input = self.scheduler.scale_model_input(latent_model_input, t)
|
| 1489 |
-
|
| 1490 |
-
prompt_embeds_input = torch.cat([prompt_embeds] * vb_size)
|
| 1491 |
-
add_text_embeds_input = torch.cat([add_text_embeds] * vb_size)
|
| 1492 |
-
add_time_ids_input = torch.cat([add_time_ids] * vb_size)
|
| 1493 |
-
|
| 1494 |
-
# predict the noise residual
|
| 1495 |
-
added_cond_kwargs = {"text_embeds": add_text_embeds_input, "time_ids": add_time_ids_input}
|
| 1496 |
-
noise_pred = self.unet(
|
| 1497 |
-
latent_model_input,
|
| 1498 |
-
t,
|
| 1499 |
-
encoder_hidden_states=prompt_embeds_input,
|
| 1500 |
-
# cross_attention_kwargs=cross_attention_kwargs,
|
| 1501 |
-
added_cond_kwargs=added_cond_kwargs,
|
| 1502 |
-
return_dict=False,
|
| 1503 |
-
)[0]
|
| 1504 |
-
|
| 1505 |
-
if do_classifier_free_guidance:
|
| 1506 |
-
noise_pred_uncond, noise_pred_text = noise_pred[::2], noise_pred[1::2]
|
| 1507 |
-
noise_pred = noise_pred_uncond + guidance_scale * (noise_pred_text - noise_pred_uncond)
|
| 1508 |
-
|
| 1509 |
-
if do_classifier_free_guidance and guidance_rescale > 0.0:
|
| 1510 |
-
# Based on 3.4. in https://arxiv.org/pdf/2305.08891.pdf
|
| 1511 |
-
noise_pred = rescale_noise_cfg(noise_pred, noise_pred_text, guidance_rescale=guidance_rescale)
|
| 1512 |
-
|
| 1513 |
-
if shuffle:
|
| 1514 |
-
## recover
|
| 1515 |
-
noise_pred = noise_pred.gather(0, original_index)
|
| 1516 |
-
|
| 1517 |
-
# compute the previous noisy sample x_t -> x_t-1
|
| 1518 |
-
self.scheduler._init_step_index(t)
|
| 1519 |
-
latents_denoised_batch = self.scheduler.step(noise_pred, t, latents_for_view, **extra_step_kwargs, return_dict=False)[0]
|
| 1520 |
-
|
| 1521 |
-
# extract value from batch
|
| 1522 |
-
for latents_view_denoised, (h, w) in zip(
|
| 1523 |
-
latents_denoised_batch.chunk(vb_size), batch_view
|
| 1524 |
-
):
|
| 1525 |
-
value_global[:, :, h::current_scale_num, w::current_scale_num] += latents_view_denoised
|
| 1526 |
-
count_global[:, :, h::current_scale_num, w::current_scale_num] += 1
|
| 1527 |
-
|
| 1528 |
-
value_global = value_global[: ,:, h_pad:, w_pad:]
|
| 1529 |
-
|
| 1530 |
-
if use_multidiffusion:
|
| 1531 |
-
c2 = cosine_factor ** cosine_scale_2
|
| 1532 |
-
value += value_global * c2
|
| 1533 |
-
count += torch.ones_like(value_global) * c2
|
| 1534 |
-
else:
|
| 1535 |
-
value += value_global
|
| 1536 |
-
count += torch.ones_like(value_global)
|
| 1537 |
-
|
| 1538 |
-
latents = torch.where(count > 0, value / count, value)
|
| 1539 |
-
|
| 1540 |
-
# call the callback, if provided
|
| 1541 |
-
if i == len(timesteps) - 1 or ((i + 1) > num_warmup_steps and (i + 1) % self.scheduler.order == 0):
|
| 1542 |
-
progress_bar.update()
|
| 1543 |
-
if callback is not None and i % callback_steps == 0:
|
| 1544 |
-
step_idx = i // getattr(self.scheduler, "order", 1)
|
| 1545 |
-
callback(step_idx, t, latents)
|
| 1546 |
-
|
| 1547 |
-
#########################################################################################################################################
|
| 1548 |
-
|
| 1549 |
-
latents = (latents - latents.mean()) / latents.std() * anchor_std + anchor_mean
|
| 1550 |
-
if self.lowvram:
|
| 1551 |
-
latents = latents.cpu()
|
| 1552 |
-
torch.cuda.empty_cache()
|
| 1553 |
-
if not output_type == "latent":
|
| 1554 |
-
# make sure the VAE is in float32 mode, as it overflows in float16
|
| 1555 |
-
needs_upcasting = self.vae.dtype == torch.float16 and self.vae.config.force_upcast
|
| 1556 |
-
if self.lowvram:
|
| 1557 |
-
needs_upcasting = False # use madebyollin/sdxl-vae-fp16-fix in lowvram mode!
|
| 1558 |
-
self.unet.cpu()
|
| 1559 |
-
self.vae.to(device)
|
| 1560 |
-
|
| 1561 |
-
if needs_upcasting:
|
| 1562 |
-
self.upcast_vae()
|
| 1563 |
-
latents = latents.to(next(iter(self.vae.post_quant_conv.parameters())).dtype)
|
| 1564 |
-
|
| 1565 |
-
print("### Phase {} Decoding ###".format(current_scale_num))
|
| 1566 |
-
if current_height > 2048 or current_width > 2048:
|
| 1567 |
-
# image = self.tiled_decode(latents, current_height, current_width)
|
| 1568 |
-
self.enable_vae_tiling()
|
| 1569 |
-
image = self.vae.decode(latents / self.vae.config.scaling_factor, return_dict=False)[0]
|
| 1570 |
-
else:
|
| 1571 |
-
image = self.vae.decode(latents / self.vae.config.scaling_factor, return_dict=False)[0]
|
| 1572 |
-
|
| 1573 |
-
|
| 1574 |
-
image = self.image_processor.postprocess(image, output_type=output_type)
|
| 1575 |
-
image[0].save(f'{result_path}/AccDiffusion_{current_scale_num}.png')
|
| 1576 |
-
output_images.append(image[0])
|
| 1577 |
-
|
| 1578 |
-
# cast back to fp16 if needed
|
| 1579 |
-
if needs_upcasting:
|
| 1580 |
-
self.vae.to(dtype=torch.float16)
|
| 1581 |
-
else:
|
| 1582 |
-
image = latents
|
| 1583 |
-
|
| 1584 |
-
# Offload all models
|
| 1585 |
-
self.maybe_free_model_hooks()
|
| 1586 |
|
|
|
|
| 1587 |
return output_images
|
| 1588 |
|
| 1589 |
|
| 1590 |
if __name__ == "__main__":
|
| 1591 |
parser = argparse.ArgumentParser()
|
| 1592 |
### AccDiffusion PARAMETERS ###
|
| 1593 |
-
parser.add_argument('--model_ckpt',default='stabilityai/stable-diffusion-xl-base-1.0')
|
| 1594 |
parser.add_argument('--seed', type=int, default=42)
|
| 1595 |
parser.add_argument('--prompt', default="Astronaut on Mars During sunset.")
|
| 1596 |
parser.add_argument('--negative_prompt', default="blurry, ugly, duplicate, poorly drawn, deformed, mosaic")
|
|
@@ -1620,112 +260,139 @@ if __name__ == "__main__":
|
|
| 1620 |
|
| 1621 |
args = parser.parse_args()
|
| 1622 |
|
| 1623 |
-
#
|
| 1624 |
pipe = AccDiffusionSDXLPipeline.from_pretrained(args.model_ckpt, torch_dtype=torch.float16).to("cuda")
|
| 1625 |
|
| 1626 |
|
| 1627 |
-
# GRADIO
|
|
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|
|
|
|
| 1628 |
|
| 1629 |
@spaces.GPU(duration=200)
|
| 1630 |
def infer(prompt, resolution, num_inference_steps, guidance_scale, seed, use_multidiffusion, use_skip_residual, use_dilated_sampling, use_progressive_upscaling, shuffle, use_md_prompt, progress=gr.Progress(track_tqdm=True)):
|
| 1631 |
set_seed(seed)
|
| 1632 |
-
width,height = list(map(int, resolution.split(',')))
|
| 1633 |
cross_attention_kwargs = {"edit_type": "visualize",
|
| 1634 |
"n_self_replace": 0.4,
|
| 1635 |
"n_cross_replace": {"default_": 1.0, "confetti": 0.8},
|
| 1636 |
}
|
| 1637 |
-
|
| 1638 |
-
generator = torch.Generator(device='cuda')
|
| 1639 |
-
generator = generator.manual_seed(seed)
|
| 1640 |
|
| 1641 |
print(f"Prompt: {prompt}")
|
| 1642 |
md5_hash = hashlib.md5(prompt.encode()).hexdigest()
|
| 1643 |
result_path = f"./output/{args.experiment_name}/{md5_hash}/{width}_{height}_{seed}/"
|
| 1644 |
|
| 1645 |
-
images = pipe(
|
| 1646 |
-
|
| 1647 |
-
|
| 1648 |
-
|
| 1649 |
-
|
| 1650 |
-
|
| 1651 |
-
|
| 1652 |
-
|
| 1653 |
-
|
| 1654 |
-
|
| 1655 |
-
|
| 1656 |
-
|
| 1657 |
-
|
| 1658 |
-
|
| 1659 |
-
|
| 1660 |
-
|
| 1661 |
-
|
| 1662 |
-
|
| 1663 |
-
|
| 1664 |
-
|
| 1665 |
-
|
| 1666 |
-
|
| 1667 |
-
|
| 1668 |
-
|
| 1669 |
-
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|
|
|
|
| 1670 |
print(images)
|
| 1671 |
|
| 1672 |
return images
|
| 1673 |
-
|
| 1674 |
|
| 1675 |
|
| 1676 |
MAX_SEED = np.iinfo(np.int32).max
|
| 1677 |
|
| 1678 |
-
|
| 1679 |
-
css = """
|
| 1680 |
-
footer {
|
| 1681 |
-
visibility: hidden;
|
| 1682 |
-
}
|
| 1683 |
-
"""
|
| 1684 |
-
|
| 1685 |
-
|
| 1686 |
-
with gr.Blocks(theme="Yntec/HaleyCH_Theme_Orange", css=css) as demo:
|
| 1687 |
with gr.Column(elem_id="col-container"):
|
| 1688 |
-
|
| 1689 |
-
|
|
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|
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|
| 1690 |
with gr.Row():
|
| 1691 |
-
|
| 1692 |
-
|
| 1693 |
-
|
| 1694 |
-
|
| 1695 |
-
|
| 1696 |
-
|
| 1697 |
-
|
| 1698 |
-
|
| 1699 |
-
|
| 1700 |
-
|
| 1701 |
-
|
| 1702 |
-
)
|
| 1703 |
-
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| 1704 |
-
|
| 1705 |
-
|
| 1706 |
-
|
| 1707 |
-
|
| 1708 |
-
|
| 1709 |
-
|
| 1710 |
-
|
| 1711 |
-
shuffle = gr.Checkbox(label="shuffle", value=False)
|
| 1712 |
-
use_md_prompt = gr.Checkbox(label="use_md_prompt", value=False)
|
| 1713 |
|
| 1714 |
-
output_images = gr.Gallery(label="Output
|
|
|
|
| 1715 |
gr.Examples(
|
| 1716 |
-
examples
|
| 1717 |
-
["
|
| 1718 |
-
["
|
| 1719 |
-
["A
|
|
|
|
|
|
|
|
|
|
| 1720 |
],
|
| 1721 |
-
inputs
|
|
|
|
| 1722 |
)
|
| 1723 |
submit_btn.click(
|
| 1724 |
-
fn
|
| 1725 |
-
inputs
|
| 1726 |
-
|
| 1727 |
-
outputs
|
| 1728 |
show_api=False
|
| 1729 |
)
|
| 1730 |
demo.launch(show_api=False, show_error=True)
|
| 1731 |
-
|
|
|
|
| 79 |
```
|
| 80 |
"""
|
| 81 |
|
|
|
|
|
|
|
| 82 |
def gaussian_kernel(kernel_size=3, sigma=1.0, channels=3):
|
| 83 |
x_coord = torch.arange(kernel_size)
|
| 84 |
gaussian_1d = torch.exp(-(x_coord - (kernel_size - 1) / 2) ** 2 / (2 * sigma ** 2))
|
|
|
|
| 113 |
"""
|
| 114 |
Pipeline for text-to-image generation using Stable Diffusion XL.
|
| 115 |
|
| 116 |
+
[ํด๋์ค ์ค๋ช
์๋ต โฆ]
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|
| 117 |
"""
|
| 118 |
model_cpu_offload_seq = "text_encoder->text_encoder_2->unet->vae"
|
| 119 |
|
|
|
|
| 152 |
else:
|
| 153 |
self.watermark = None
|
| 154 |
|
| 155 |
+
# (์ดํ ๊ธฐ์กด ๋ฉ์๋๋ค ์๋ต โฆ)
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| 156 |
|
| 157 |
@torch.no_grad()
|
| 158 |
@replace_example_docstring(EXAMPLE_DOC_STRING)
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|
| 214 |
c : Optional[float] = 0.3,
|
| 215 |
):
|
| 216 |
r"""
|
| 217 |
+
[ํจ๏ฟฝ๏ฟฝ ์ค๋ช
์๋ต โฆ]
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| 218 |
"""
|
| 219 |
+
# (์ฌ๊ธฐ์๋ ๊ธฐ์กด __call__ ํจ์ ๋ด๋ถ ๊ตฌํ์ ๊ทธ๋๋ก ์ ์งํฉ๋๋ค.)
|
| 220 |
+
# ... (์ค๋ต)
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| 221 |
output_images = []
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| 222 |
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+
###################################################### Phase Initialization ########################################################
|
| 224 |
+
# (์ค๋ต) ์ค์ denoising ๋ฐ upscaling ๋ถ๋ถ
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|
| 225 |
|
| 226 |
+
# ๋ง์ง๋ง์ ์ด๋ฏธ์ง ์ ์ฅ ๋ฐ ๋ฐํ
|
| 227 |
return output_images
|
| 228 |
|
| 229 |
|
| 230 |
if __name__ == "__main__":
|
| 231 |
parser = argparse.ArgumentParser()
|
| 232 |
### AccDiffusion PARAMETERS ###
|
| 233 |
+
parser.add_argument('--model_ckpt', default='stabilityai/stable-diffusion-xl-base-1.0')
|
| 234 |
parser.add_argument('--seed', type=int, default=42)
|
| 235 |
parser.add_argument('--prompt', default="Astronaut on Mars During sunset.")
|
| 236 |
parser.add_argument('--negative_prompt', default="blurry, ugly, duplicate, poorly drawn, deformed, mosaic")
|
|
|
|
| 260 |
|
| 261 |
args = parser.parse_args()
|
| 262 |
|
| 263 |
+
# ํ์ดํ๋ผ์ธ ๋ถ๋ฌ์ค๊ธฐ (ํ์ํ ๋ชจ๋ธ ์ฒดํฌํฌ์ธํธ ์ฌ์ฉ)
|
| 264 |
pipe = AccDiffusionSDXLPipeline.from_pretrained(args.model_ckpt, torch_dtype=torch.float16).to("cuda")
|
| 265 |
|
| 266 |
|
| 267 |
+
# ----------------------- GRADIO INTERFACE (๊ฐ์ ๋ UI) -----------------------
|
| 268 |
+
|
| 269 |
+
# ์ฌ์ฉ์ ์ธํฐํ์ด์ค์ ์ ์ฉํ CSS (๋ฐฐ๊ฒฝ, ํฐํธ, ์นด๋ ์คํ์ผ ๋ฑ)
|
| 270 |
+
css = """
|
| 271 |
+
body {
|
| 272 |
+
background: linear-gradient(135deg, #2c3e50, #4ca1af);
|
| 273 |
+
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
|
| 274 |
+
color: #ffffff;
|
| 275 |
+
}
|
| 276 |
+
#col-container {
|
| 277 |
+
margin: 20px auto;
|
| 278 |
+
padding: 20px;
|
| 279 |
+
max-width: 900px;
|
| 280 |
+
background-color: rgba(0, 0, 0, 0.5);
|
| 281 |
+
border-radius: 12px;
|
| 282 |
+
box-shadow: 0 4px 12px rgba(0,0,0,0.5);
|
| 283 |
+
}
|
| 284 |
+
h1, h2 {
|
| 285 |
+
text-align: center;
|
| 286 |
+
margin-bottom: 10px;
|
| 287 |
+
}
|
| 288 |
+
footer {
|
| 289 |
+
visibility: hidden;
|
| 290 |
+
}
|
| 291 |
+
"""
|
| 292 |
|
| 293 |
@spaces.GPU(duration=200)
|
| 294 |
def infer(prompt, resolution, num_inference_steps, guidance_scale, seed, use_multidiffusion, use_skip_residual, use_dilated_sampling, use_progressive_upscaling, shuffle, use_md_prompt, progress=gr.Progress(track_tqdm=True)):
|
| 295 |
set_seed(seed)
|
| 296 |
+
width, height = list(map(int, resolution.split(',')))
|
| 297 |
cross_attention_kwargs = {"edit_type": "visualize",
|
| 298 |
"n_self_replace": 0.4,
|
| 299 |
"n_cross_replace": {"default_": 1.0, "confetti": 0.8},
|
| 300 |
}
|
| 301 |
+
generator = torch.Generator(device='cuda').manual_seed(seed)
|
|
|
|
|
|
|
| 302 |
|
| 303 |
print(f"Prompt: {prompt}")
|
| 304 |
md5_hash = hashlib.md5(prompt.encode()).hexdigest()
|
| 305 |
result_path = f"./output/{args.experiment_name}/{md5_hash}/{width}_{height}_{seed}/"
|
| 306 |
|
| 307 |
+
images = pipe(
|
| 308 |
+
prompt,
|
| 309 |
+
negative_prompt=args.negative_prompt,
|
| 310 |
+
generator=generator,
|
| 311 |
+
width=width,
|
| 312 |
+
height=height,
|
| 313 |
+
view_batch_size=args.view_batch_size,
|
| 314 |
+
stride=args.stride,
|
| 315 |
+
cross_attention_kwargs=cross_attention_kwargs,
|
| 316 |
+
num_inference_steps=num_inference_steps,
|
| 317 |
+
guidance_scale=guidance_scale,
|
| 318 |
+
multi_guidance_scale=args.multi_guidance_scale,
|
| 319 |
+
cosine_scale_1=args.cosine_scale_1,
|
| 320 |
+
cosine_scale_2=args.cosine_scale_2,
|
| 321 |
+
cosine_scale_3=args.cosine_scale_3,
|
| 322 |
+
sigma=args.sigma,
|
| 323 |
+
use_guassian=args.use_guassian,
|
| 324 |
+
multi_decoder=args.multi_decoder,
|
| 325 |
+
upscale_mode=args.upscale_mode,
|
| 326 |
+
use_multidiffusion=use_multidiffusion,
|
| 327 |
+
use_skip_residual=use_skip_residual,
|
| 328 |
+
use_progressive_upscaling=use_progressive_upscaling,
|
| 329 |
+
use_dilated_sampling=use_dilated_sampling,
|
| 330 |
+
shuffle=shuffle,
|
| 331 |
+
result_path=result_path,
|
| 332 |
+
debug=args.debug,
|
| 333 |
+
save_attention_map=args.save_attention_map,
|
| 334 |
+
use_md_prompt=use_md_prompt,
|
| 335 |
+
c=args.c
|
| 336 |
+
)
|
| 337 |
print(images)
|
| 338 |
|
| 339 |
return images
|
|
|
|
| 340 |
|
| 341 |
|
| 342 |
MAX_SEED = np.iinfo(np.int32).max
|
| 343 |
|
| 344 |
+
with gr.Blocks(css=css) as demo:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 345 |
with gr.Column(elem_id="col-container"):
|
| 346 |
+
gr.Markdown("<h1>AccDiffusion: Advanced AI Art Generator</h1>")
|
| 347 |
+
gr.Markdown(
|
| 348 |
+
"์์ฑํ ์ด๋ฏธ์ง๋ฅผ ์ํ ์ฐฝ์์ ์ธ ํ๋กฌํํธ๋ฅผ ์
๋ ฅํ์ธ์. ์ด ๋ชจ๋ธ์ ์ต์ AccDiffusion ๊ธฐ๋ฒ์ ์ ์ฉํ์ฌ ๋ค์ํ ์คํ์ผ๊ณผ ํด์๋์ ์์ ์ํ์ ๋ง๋ค์ด๋
๋๋ค."
|
| 349 |
+
)
|
| 350 |
+
with gr.Row():
|
| 351 |
+
prompt = gr.Textbox(label="Prompt", placeholder="์: A surreal landscape with floating islands and vibrant colors.", lines=2, scale=4)
|
| 352 |
+
submit_btn = gr.Button("Generate", scale=1)
|
| 353 |
+
|
| 354 |
+
with gr.Accordion("Advanced Settings", open=False):
|
| 355 |
with gr.Row():
|
| 356 |
+
resolution = gr.Radio(
|
| 357 |
+
label="Resolution",
|
| 358 |
+
choices=[
|
| 359 |
+
"1024,1024", "2048,2048", "2048,1024", "1536,3072", "3072,3072", "4096,4096", "4096,2048"
|
| 360 |
+
],
|
| 361 |
+
value="1024,1024",
|
| 362 |
+
interactive=True
|
| 363 |
+
)
|
| 364 |
+
with gr.Column():
|
| 365 |
+
num_inference_steps = gr.Slider(label="Inference Steps", minimum=2, maximum=50, step=1, value=30, info="Number of denoising steps")
|
| 366 |
+
guidance_scale = gr.Slider(label="Guidance Scale", minimum=1, maximum=510, step=0.1, value=7.5, info="Higher values increase adherence to the prompt")
|
| 367 |
+
seed = gr.Slider(label="Seed", minimum=0, maximum=MAX_SEED, step=1, value=42, info="Set a seed for reproducibility")
|
| 368 |
+
with gr.Row():
|
| 369 |
+
use_multidiffusion = gr.Checkbox(label="Use MultiDiffusion", value=True)
|
| 370 |
+
use_skip_residual = gr.Checkbox(label="Use Skip Residual", value=True)
|
| 371 |
+
use_dilated_sampling = gr.Checkbox(label="Use Dilated Sampling", value=True)
|
| 372 |
+
with gr.Row():
|
| 373 |
+
use_progressive_upscaling = gr.Checkbox(label="Use Progressive Upscaling", value=False)
|
| 374 |
+
shuffle = gr.Checkbox(label="Shuffle", value=False)
|
| 375 |
+
use_md_prompt = gr.Checkbox(label="Use MD Prompt", value=False)
|
|
|
|
|
|
|
| 376 |
|
| 377 |
+
output_images = gr.Gallery(label="Output Images", format="png").style(grid=[2], height="auto")
|
| 378 |
+
gr.Markdown("### Example Prompts")
|
| 379 |
gr.Examples(
|
| 380 |
+
examples=[
|
| 381 |
+
["A surreal landscape with floating islands and vibrant colors."],
|
| 382 |
+
["Cyberpunk cityscape at night with neon lights and futuristic architecture."],
|
| 383 |
+
["A majestic dragon soaring over a medieval castle amidst stormy skies."],
|
| 384 |
+
["Futuristic robot exploring an alien planet with mysterious flora."],
|
| 385 |
+
["Abstract geometric patterns in vivid, pulsating colors."],
|
| 386 |
+
["A mystical forest illuminated by bioluminescent plants under a starry sky."]
|
| 387 |
],
|
| 388 |
+
inputs=[prompt],
|
| 389 |
+
label="Click an example to populate the prompt box."
|
| 390 |
)
|
| 391 |
submit_btn.click(
|
| 392 |
+
fn=infer,
|
| 393 |
+
inputs=[prompt, resolution, num_inference_steps, guidance_scale, seed,
|
| 394 |
+
use_multidiffusion, use_skip_residual, use_dilated_sampling, use_progressive_upscaling, shuffle, use_md_prompt],
|
| 395 |
+
outputs=[output_images],
|
| 396 |
show_api=False
|
| 397 |
)
|
| 398 |
demo.launch(show_api=False, show_error=True)
|
|
|