Text Ranking
sentence-transformers
Safetensors
Transformers
bert
mteb
custom_code
Eval Results (legacy)
Instructions to use ByteDance/ListConRanker with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- sentence-transformers
How to use ByteDance/ListConRanker with sentence-transformers:
from sentence_transformers import CrossEncoder model = CrossEncoder("ByteDance/ListConRanker", trust_remote_code=True) query = "Which planet is known as the Red Planet?" passages = [ "Venus is often called Earth's twin because of its similar size and proximity.", "Mars, known for its reddish appearance, is often referred to as the Red Planet.", "Jupiter, the largest planet in our solar system, has a prominent red spot.", "Saturn, famous for its rings, is sometimes mistaken for the Red Planet." ] scores = model.predict([(query, passage) for passage in passages]) print(scores) - Transformers
How to use ByteDance/ListConRanker with Transformers:
# Load model directly from transformers import AutoTokenizer, ListConRanker tokenizer = AutoTokenizer.from_pretrained("ByteDance/ListConRanker", trust_remote_code=True) model = ListConRanker.from_pretrained("ByteDance/ListConRanker", trust_remote_code=True) - Notebooks
- Google Colab
- Kaggle
Roman Solomatin commited on
fix dimenstions again
Browse files- config.json +2 -2
- listconranker.py +134 -75
config.json
CHANGED
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@@ -12,8 +12,8 @@
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"gradient_checkpointing": false,
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"hidden_act": "gelu",
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"hidden_dropout_prob": 0.1,
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-
"hidden_size":
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"
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"id2label": {
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"0": "LABEL_0"
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},
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"gradient_checkpointing": false,
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"hidden_act": "gelu",
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"hidden_dropout_prob": 0.1,
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+
"hidden_size": 1024,
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+
"list_con_hidden_size": 1792,
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"id2label": {
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"0": "LABEL_0"
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},
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listconranker.py
CHANGED
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@@ -1,20 +1,20 @@
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# Copyright 2024 Bytedance Ltd. and/or its affiliates
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#
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-
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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# and associated documentation files (the "Software"), to deal in the Software without
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# restriction, including without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all copies or
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# substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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import math
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from torch.nn import functional as F
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import numpy as np
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from transformers import (
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AutoTokenizer,
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is_torch_npu_available,
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AutoModel,
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PreTrainedModel,
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PretrainedConfig,
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AutoConfig,
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BertModel,
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-
BertConfig
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)
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from transformers.modeling_outputs import SequenceClassifierOutput
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from typing import Union, List, Optional
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class ListConRankerConfig(
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"""Configuration class for ListConRanker model."""
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model_type = "ListConRanker"
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-
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def __init__(
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self,
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list_transformer_layers: int = 2,
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base_hidden_size: int = 1024,
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num_labels: int = 1,
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**kwargs
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):
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super().__init__(**kwargs)
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self.list_transformer_layers = list_transformer_layers
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self.
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self.base_hidden_size = base_hidden_size
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self.num_labels = num_labels
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self.bert_config = BertConfig(**kwargs)
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self.bert_config.hidden_size = self.base_hidden_size
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self.bert_config.output_hidden_states = True
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class QueryEmbedding(nn.Module):
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def __init__(self, config) -> None:
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super().__init__()
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self.query_embedding = nn.Embedding(2, config.
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self.layerNorm = nn.LayerNorm(config.
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def forward(self, x, tags):
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query_embeddings = self.query_embedding(tags)
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@@ -71,40 +69,70 @@ class QueryEmbedding(nn.Module):
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x = self.layerNorm(x)
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return x
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class ListTransformer(nn.Module):
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def __init__(self, num_layer, config) -> None:
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super().__init__()
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self.config = config
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self.list_transformer_layer = nn.TransformerEncoderLayer(
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self.relu = nn.ReLU()
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self.query_embedding = QueryEmbedding(config)
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self.linear_score3 = nn.Linear(
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def forward(
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batch_pair_features = pair_features.split(pair_nums)
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pair_feature_query_passage_concat_list = []
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for i in range(len(batch_pair_features)):
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pair_feature_query =
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pair_feature_passage = batch_pair_features[i][1:]
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pair_feature_query_passage_concat_list.append(
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batch_pair_features = nn.utils.rnn.pad_sequence(
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query_embedding_tags = torch.zeros(
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query_embedding_tags[:, 0] = 1
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batch_pair_features = self.query_embedding(
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mask = self.generate_attention_mask(pair_nums)
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query_mask = self.generate_attention_mask_custom(pair_nums)
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pair_list_features = self.list_transformer(
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output_pair_list_features = []
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output_query_list_features = []
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for idx, pair_num in enumerate(pair_nums):
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output_pair_list_features.append(pair_list_features[idx, 1:pair_num, :])
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output_query_list_features.append(pair_list_features[idx, 0, :])
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pair_features_after_transformer_list.append(
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pair_features_after_transformer_cat_query_list = []
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for idx, pair_num in enumerate(pair_nums):
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query_ft =
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return logits, torch.cat(pair_features_after_transformer_list, dim=0)
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def generate_attention_mask(self, pair_num):
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"""
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ListConRanker model for sequence classification that's compatible with AutoModelForSequenceClassification.
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"""
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config_class = ListConRankerConfig
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base_model_prefix = "listconranker"
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self.config = config
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self.num_labels = config.num_labels
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self.hf_model = BertModel(config.bert_config)
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-
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self.sigmoid = nn.Sigmoid()
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-
self.linear_in_embedding = nn.Linear(
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self.list_transformer = ListTransformer(
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config.list_transformer_layers,
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config,
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)
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def forward(
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self,
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output_attentions: Optional[bool] = None,
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output_hidden_states: Optional[bool] = None,
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return_dict: Optional[bool] = None,
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**kwargs
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) -> Union[SequenceClassifierOutput, tuple]:
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# Get device
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device = input_ids.device if input_ids is not None else inputs_embeds.device
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self.list_transformer.device = device
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-
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# Forward through base model
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if self.training:
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pass
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else:
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ranker_out = self.hf_model(
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-
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last_hidden_state = ranker_out.last_hidden_state
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pair_features = self.average_pooling(last_hidden_state, attention_mask)
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pair_features = self.linear_in_embedding(pair_features)
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logits, pair_features_after_list_transformer = self.list_transformer(
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logits = self.sigmoid(logits)
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return logits
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def average_pooling(self, hidden_state, attention_mask):
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extended_attention_mask =
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masked_hidden_state = hidden_state * extended_attention_mask
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sum_embeddings = torch.sum(masked_hidden_state, dim=1)
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sum_mask = extended_attention_mask.sum(dim=1)
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return sum_embeddings / sum_mask
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@classmethod
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-
def from_pretrained(
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-
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-
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# Load custom weights
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linear_path = f"{model_name_or_path}/linear_in_embedding.pt"
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transformer_path = f"{model_name_or_path}/list_transformer.pt"
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-
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try:
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model.linear_in_embedding.load_state_dict(torch.load(linear_path))
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model.list_transformer.load_state_dict(torch.load(transformer_path))
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except FileNotFoundError:
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print(f"Warning: Could not load custom weights from {model_name_or_path}")
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-
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return model
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# Copyright 2024 Bytedance Ltd. and/or its affiliates
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| 2 |
#
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| 3 |
+
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software
|
| 4 |
+
# and associated documentation files (the "Software"), to deal in the Software without
|
| 5 |
+
# restriction, including without limitation the rights to use, copy, modify, merge, publish,
|
| 6 |
+
# distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
|
| 7 |
# Software is furnished to do so, subject to the following conditions:
|
| 8 |
#
|
| 9 |
+
# The above copyright notice and this permission notice shall be included in all copies or
|
| 10 |
# substantial portions of the Software.
|
| 11 |
#
|
| 12 |
+
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
| 13 |
+
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
| 14 |
+
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
| 15 |
+
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
| 16 |
+
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
| 17 |
+
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
| 18 |
# OTHER DEALINGS IN THE SOFTWARE.
|
| 19 |
|
| 20 |
import math
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|
|
|
| 23 |
from torch.nn import functional as F
|
| 24 |
import numpy as np
|
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from transformers import (
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+
AutoTokenizer,
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+
is_torch_npu_available,
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| 28 |
+
AutoModel,
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+
PreTrainedModel,
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PretrainedConfig,
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| 31 |
AutoConfig,
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BertModel,
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+
BertConfig,
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)
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from transformers.modeling_outputs import SequenceClassifierOutput
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from typing import Union, List, Optional
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+
class ListConRankerConfig(BertConfig):
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"""Configuration class for ListConRanker model."""
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+
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model_type = "ListConRanker"
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+
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def __init__(
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self,
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list_transformer_layers: int = 2,
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+
list_con_hidden_size: int = 1792,
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num_labels: int = 1,
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+
**kwargs,
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):
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super().__init__(**kwargs)
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self.list_transformer_layers = list_transformer_layers
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+
self.list_con_hidden_size = list_con_hidden_size
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self.num_labels = num_labels
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self.bert_config = BertConfig(**kwargs)
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self.bert_config.output_hidden_states = True
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+
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class QueryEmbedding(nn.Module):
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def __init__(self, config) -> None:
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super().__init__()
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+
self.query_embedding = nn.Embedding(2, config.list_con_hidden_size)
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+
self.layerNorm = nn.LayerNorm(config.list_con_hidden_size)
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def forward(self, x, tags):
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query_embeddings = self.query_embedding(tags)
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x = self.layerNorm(x)
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return x
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+
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class ListTransformer(nn.Module):
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def __init__(self, num_layer, config) -> None:
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super().__init__()
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self.config = config
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+
self.list_transformer_layer = nn.TransformerEncoderLayer(
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+
1792,
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+
self.config.num_attention_heads,
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+
batch_first=True,
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+
activation=F.gelu,
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+
norm_first=False,
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+
)
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+
self.list_transformer = nn.TransformerEncoder(
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+
self.list_transformer_layer, num_layer
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+
)
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self.relu = nn.ReLU()
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self.query_embedding = QueryEmbedding(config)
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+
self.linear_score3 = nn.Linear(
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+
config.list_con_hidden_size * 2, config.list_con_hidden_size
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+
)
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+
self.linear_score2 = nn.Linear(
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+
config.list_con_hidden_size * 2, config.list_con_hidden_size
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+
)
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+
self.linear_score1 = nn.Linear(config.list_con_hidden_size * 2, 1)
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+
def forward(
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+
self, pair_features: torch.Tensor, pair_nums: List[int]
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+
) -> torch.Tensor:
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batch_pair_features = pair_features.split(pair_nums)
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pair_feature_query_passage_concat_list = []
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for i in range(len(batch_pair_features)):
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+
pair_feature_query = (
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+
batch_pair_features[i][0].unsqueeze(0).repeat(pair_nums[i] - 1, 1)
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+
)
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pair_feature_passage = batch_pair_features[i][1:]
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+
pair_feature_query_passage_concat_list.append(
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+
torch.cat([pair_feature_query, pair_feature_passage], dim=1)
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+
)
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+
pair_feature_query_passage_concat = torch.cat(
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+
pair_feature_query_passage_concat_list, dim=0
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+
)
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+
batch_pair_features = nn.utils.rnn.pad_sequence(
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+
batch_pair_features, batch_first=True
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+
)
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+
query_embedding_tags = torch.zeros(
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+
batch_pair_features.size(0),
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+
batch_pair_features.size(1),
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+
dtype=torch.long,
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+
device=self.device,
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+
)
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| 126 |
query_embedding_tags[:, 0] = 1
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+
batch_pair_features = self.query_embedding(
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+
batch_pair_features, query_embedding_tags
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+
)
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| 131 |
mask = self.generate_attention_mask(pair_nums)
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| 132 |
query_mask = self.generate_attention_mask_custom(pair_nums)
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+
pair_list_features = self.list_transformer(
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+
batch_pair_features, src_key_padding_mask=mask, mask=query_mask
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+
)
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| 137 |
output_pair_list_features = []
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| 138 |
output_query_list_features = []
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| 140 |
for idx, pair_num in enumerate(pair_nums):
|
| 141 |
output_pair_list_features.append(pair_list_features[idx, 1:pair_num, :])
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| 142 |
output_query_list_features.append(pair_list_features[idx, 0, :])
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| 143 |
+
pair_features_after_transformer_list.append(
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| 144 |
+
pair_list_features[idx, :pair_num, :]
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| 145 |
+
)
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| 146 |
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| 147 |
pair_features_after_transformer_cat_query_list = []
|
| 148 |
for idx, pair_num in enumerate(pair_nums):
|
| 149 |
+
query_ft = (
|
| 150 |
+
output_query_list_features[idx].unsqueeze(0).repeat(pair_num - 1, 1)
|
| 151 |
+
)
|
| 152 |
+
pair_features_after_transformer_cat_query = torch.cat(
|
| 153 |
+
[query_ft, output_pair_list_features[idx]], dim=1
|
| 154 |
+
)
|
| 155 |
+
pair_features_after_transformer_cat_query_list.append(
|
| 156 |
+
pair_features_after_transformer_cat_query
|
| 157 |
+
)
|
| 158 |
+
pair_features_after_transformer_cat_query = torch.cat(
|
| 159 |
+
pair_features_after_transformer_cat_query_list, dim=0
|
| 160 |
+
)
|
| 161 |
|
| 162 |
+
pair_feature_query_passage_concat = self.relu(
|
| 163 |
+
self.linear_score2(pair_feature_query_passage_concat)
|
| 164 |
+
)
|
| 165 |
+
pair_features_after_transformer_cat_query = self.relu(
|
| 166 |
+
self.linear_score3(pair_features_after_transformer_cat_query)
|
| 167 |
+
)
|
| 168 |
+
final_ft = torch.cat(
|
| 169 |
+
[
|
| 170 |
+
pair_feature_query_passage_concat,
|
| 171 |
+
pair_features_after_transformer_cat_query,
|
| 172 |
+
],
|
| 173 |
+
dim=1,
|
| 174 |
+
)
|
| 175 |
+
logits = self.linear_score1(final_ft).squeeze()
|
| 176 |
return logits, torch.cat(pair_features_after_transformer_list, dim=0)
|
| 177 |
|
| 178 |
def generate_attention_mask(self, pair_num):
|
|
|
|
| 194 |
"""
|
| 195 |
ListConRanker model for sequence classification that's compatible with AutoModelForSequenceClassification.
|
| 196 |
"""
|
| 197 |
+
|
| 198 |
config_class = ListConRankerConfig
|
| 199 |
base_model_prefix = "listconranker"
|
| 200 |
|
|
|
|
| 203 |
self.config = config
|
| 204 |
self.num_labels = config.num_labels
|
| 205 |
self.hf_model = BertModel(config.bert_config)
|
| 206 |
+
|
| 207 |
self.sigmoid = nn.Sigmoid()
|
| 208 |
|
| 209 |
+
self.linear_in_embedding = nn.Linear(
|
| 210 |
+
config.hidden_size, config.list_con_hidden_size
|
| 211 |
+
)
|
| 212 |
self.list_transformer = ListTransformer(
|
| 213 |
+
config.list_transformer_layers,
|
| 214 |
+
config,
|
| 215 |
)
|
| 216 |
+
self.sep_token_id = 102 # [SEP] token ID
|
| 217 |
|
| 218 |
def forward(
|
| 219 |
self,
|
|
|
|
| 227 |
output_attentions: Optional[bool] = None,
|
| 228 |
output_hidden_states: Optional[bool] = None,
|
| 229 |
return_dict: Optional[bool] = None,
|
| 230 |
+
**kwargs,
|
| 231 |
+
) -> Union[SequenceClassifierOutput, tuple]:
|
| 232 |
# Get device
|
| 233 |
device = input_ids.device if input_ids is not None else inputs_embeds.device
|
| 234 |
self.list_transformer.device = device
|
| 235 |
+
|
| 236 |
# Forward through base model
|
| 237 |
if self.training:
|
| 238 |
pass
|
| 239 |
else:
|
| 240 |
ranker_out = self.hf_model(
|
| 241 |
+
input_ids=input_ids,
|
| 242 |
+
attention_mask=attention_mask,
|
| 243 |
+
token_type_ids=token_type_ids,
|
| 244 |
+
position_ids=position_ids,
|
| 245 |
+
head_mask=head_mask,
|
| 246 |
+
inputs_embeds=inputs_embeds,
|
| 247 |
+
output_attentions=output_attentions,
|
| 248 |
+
return_dict=True,
|
| 249 |
+
)
|
| 250 |
last_hidden_state = ranker_out.last_hidden_state
|
| 251 |
|
| 252 |
pair_features = self.average_pooling(last_hidden_state, attention_mask)
|
| 253 |
pair_features = self.linear_in_embedding(pair_features)
|
| 254 |
|
| 255 |
+
logits, pair_features_after_list_transformer = self.list_transformer(
|
| 256 |
+
pair_features
|
| 257 |
+
)
|
| 258 |
logits = self.sigmoid(logits)
|
| 259 |
|
| 260 |
return logits
|
| 261 |
|
| 262 |
def average_pooling(self, hidden_state, attention_mask):
|
| 263 |
+
extended_attention_mask = (
|
| 264 |
+
attention_mask.unsqueeze(-1)
|
| 265 |
+
.expand(hidden_state.size())
|
| 266 |
+
.to(dtype=hidden_state.dtype)
|
| 267 |
+
)
|
| 268 |
masked_hidden_state = hidden_state * extended_attention_mask
|
| 269 |
sum_embeddings = torch.sum(masked_hidden_state, dim=1)
|
| 270 |
sum_mask = extended_attention_mask.sum(dim=1)
|
| 271 |
return sum_embeddings / sum_mask
|
| 272 |
|
| 273 |
@classmethod
|
| 274 |
+
def from_pretrained(
|
| 275 |
+
cls, model_name_or_path, config: Optional[ListConRankerConfig] = None, **kwargs
|
| 276 |
+
):
|
| 277 |
+
model = super().from_pretrained(model_name_or_path, config=config, **kwargs)
|
| 278 |
+
|
| 279 |
# Load custom weights
|
| 280 |
linear_path = f"{model_name_or_path}/linear_in_embedding.pt"
|
| 281 |
transformer_path = f"{model_name_or_path}/list_transformer.pt"
|
| 282 |
+
|
| 283 |
try:
|
| 284 |
model.linear_in_embedding.load_state_dict(torch.load(linear_path))
|
| 285 |
model.list_transformer.load_state_dict(torch.load(transformer_path))
|
| 286 |
except FileNotFoundError:
|
| 287 |
print(f"Warning: Could not load custom weights from {model_name_or_path}")
|
| 288 |
+
|
| 289 |
return model
|