Upload folder using huggingface_hub
Browse files- added_tokens.json +40 -0
- config.json +34 -0
- configuration_phi.py +193 -0
- generation_config.json +6 -0
- merges.txt +0 -0
- modeling_phi.py +1369 -0
- pytorch_model-00001-of-00003.bin +3 -0
- pytorch_model-00002-of-00003.bin +3 -0
- pytorch_model-00003-of-00003.bin +3 -0
- pytorch_model.bin.index.json +460 -0
- special_tokens_map.json +23 -0
- tokenizer.json +0 -0
- tokenizer_config.json +324 -0
- vocab.json +0 -0
- xtuner_config.py +194 -0
added_tokens.json
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}
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config.json
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{
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"_name_or_path": "/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/models--microsoft--phi-2/snapshots/b10c3eba545ad279e7208ee3a5d644566f001670",
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"architectures": [
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"PhiForCausalLM"
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],
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"attention_dropout": 0.0,
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"auto_map": {
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"AutoConfig": "configuration_phi.PhiConfig",
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"AutoModelForCausalLM": "modeling_phi.PhiForCausalLM"
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},
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"bos_token_id": 50256,
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"embd_pdrop": 0.0,
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"eos_token_id": 50256,
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"hidden_act": "gelu_new",
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"hidden_size": 2560,
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"initializer_range": 0.02,
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"intermediate_size": 10240,
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"layer_norm_eps": 1e-05,
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"max_position_embeddings": 2048,
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"model_type": "phi",
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"num_attention_heads": 32,
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"num_hidden_layers": 32,
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"num_key_value_heads": 32,
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"partial_rotary_factor": 0.4,
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"qk_layernorm": false,
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"resid_pdrop": 0.1,
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"rope_scaling": null,
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"rope_theta": 10000.0,
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"tie_word_embeddings": false,
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"torch_dtype": "float16",
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"transformers_version": "4.39.1",
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"use_cache": false,
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"vocab_size": 51200
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}
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configuration_phi.py
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# coding=utf-8
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# Copyright 2023 Microsoft and the HuggingFace Inc. team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
|
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# limitations under the License.
|
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+
|
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+
""" Phi model configuration"""
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+
|
18 |
+
|
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+
from transformers.configuration_utils import PretrainedConfig
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+
from transformers.utils import logging
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+
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22 |
+
|
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logger = logging.get_logger(__name__)
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+
|
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+
PHI_PRETRAINED_CONFIG_ARCHIVE_MAP = {
|
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+
"microsoft/phi-2": "https://huggingface.co/microsoft/phi-2/resolve/main/config.json",
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27 |
+
}
|
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|
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+
|
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class PhiConfig(PretrainedConfig):
|
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+
r"""
|
32 |
+
This is the configuration class to store the configuration of a [`PhiModel`]. It is used to instantiate an Phi
|
33 |
+
model according to the specified arguments, defining the model architecture. Instantiating a configuration with the
|
34 |
+
defaults will yield a similar configuration to that of the Phi
|
35 |
+
[microsoft/phi-1](https://huggingface.co/microsoft/phi-1).
|
36 |
+
|
37 |
+
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
|
38 |
+
documentation from [`PretrainedConfig`] for more information.
|
39 |
+
|
40 |
+
Args:
|
41 |
+
vocab_size (`int`, *optional*, defaults to 51200):
|
42 |
+
Vocabulary size of the Phi model. Defines the number of different tokens that can be represented by the
|
43 |
+
`inputs_ids` passed when calling [`PhiModel`].
|
44 |
+
hidden_size (`int`, *optional*, defaults to 2048):
|
45 |
+
Dimension of the hidden representations.
|
46 |
+
intermediate_size (`int`, *optional*, defaults to 8192):
|
47 |
+
Dimension of the MLP representations.
|
48 |
+
num_hidden_layers (`int`, *optional*, defaults to 24):
|
49 |
+
Number of hidden layers in the Transformer decoder.
|
50 |
+
num_attention_heads (`int`, *optional*, defaults to 32):
|
51 |
+
Number of attention heads for each attention layer in the Transformer decoder.
|
52 |
+
num_key_value_heads (`int`, *optional*):
|
53 |
+
This is the number of key_value heads that should be used to implement Grouped Query Attention. If
|
54 |
+
`num_key_value_heads=num_attention_heads`, the model will use Multi Head Attention (MHA), if
|
55 |
+
`num_key_value_heads=1 the model will use Multi Query Attention (MQA) otherwise GQA is used. When
|
56 |
+
converting a multi-head checkpoint to a GQA checkpoint, each group key and value head should be constructed
|
57 |
+
by meanpooling all the original heads within that group. For more details checkout [this
|
58 |
+
paper](https://arxiv.org/pdf/2305.13245.pdf). If it is not specified, will default to
|
59 |
+
`num_attention_heads`.
|
60 |
+
resid_pdrop (`float`, *optional*, defaults to 0.0):
|
61 |
+
Dropout probability for mlp outputs.
|
62 |
+
embd_pdrop (`int`, *optional*, defaults to 0.0):
|
63 |
+
The dropout ratio for the embeddings.
|
64 |
+
attention_dropout (`float`, *optional*, defaults to 0.0):
|
65 |
+
The dropout ratio after computing the attention scores.
|
66 |
+
hidden_act (`str` or `function`, *optional*, defaults to `"gelu_new"`):
|
67 |
+
The non-linear activation function (function or string) in the decoder.
|
68 |
+
max_position_embeddings (`int`, *optional*, defaults to 2048):
|
69 |
+
The maximum sequence length that this model might ever be used with. Phi-1 and Phi-1.5 supports up to 2048
|
70 |
+
tokens.
|
71 |
+
initializer_range (`float`, *optional*, defaults to 0.02):
|
72 |
+
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
|
73 |
+
layer_norm_eps (`float`, *optional*, defaults to 1e-05):
|
74 |
+
The epsilon used by the rms normalization layers.
|
75 |
+
use_cache (`bool`, *optional*, defaults to `True`):
|
76 |
+
Whether or not the model should return the last key/values attentions (not used by all models). Only
|
77 |
+
relevant if `config.is_decoder=True`. Whether to tie weight embeddings or not.
|
78 |
+
tie_word_embeddings (`bool`, *optional*, defaults to `False`):
|
79 |
+
Whether to tie weight embeddings
|
80 |
+
rope_theta (`float`, *optional*, defaults to 10000.0):
|
81 |
+
The base period of the RoPE embeddings.
|
82 |
+
rope_scaling (`Dict`, *optional*):
|
83 |
+
Dictionary containing the scaling configuration for the RoPE embeddings. Currently supports two scaling
|
84 |
+
strategies: linear and dynamic. Their scaling factor must be an float greater than 1. The expected format
|
85 |
+
is `{"type": strategy name, "factor": scaling factor}`. When using this flag, don't update
|
86 |
+
`max_position_embeddings` to the expected new maximum. See the following thread for more information on how
|
87 |
+
these scaling strategies behave:
|
88 |
+
https://www.reddit.com/r/LocalPersimmon/comments/14mrgpr/dynamically_scaled_rope_further_increases/. This
|
89 |
+
is an experimental feature, subject to breaking API changes in future versions.
|
90 |
+
partial_rotary_factor (`float`, *optional*, defaults to 0.5):
|
91 |
+
Percentage of the query and keys which will have rotary embedding.
|
92 |
+
qk_layernorm (`bool`, *optional*, defaults to `False`):
|
93 |
+
Whether or not to normalize the Queries and Keys after projecting the hidden states.
|
94 |
+
bos_token_id (`int`, *optional*, defaults to 1):
|
95 |
+
Denotes beginning of sequences token id.
|
96 |
+
eos_token_id (`int`, *optional*, defaults to 2):
|
97 |
+
Denotes end of sequences token id.
|
98 |
+
|
99 |
+
Example:
|
100 |
+
|
101 |
+
```python
|
102 |
+
>>> from transformers import PhiModel, PhiConfig
|
103 |
+
|
104 |
+
>>> # Initializing a Phi-1 style configuration
|
105 |
+
>>> configuration = PhiConfig.from_pretrained("microsoft/phi-1")
|
106 |
+
|
107 |
+
>>> # Initializing a model from the configuration
|
108 |
+
>>> model = PhiModel(configuration)
|
109 |
+
|
110 |
+
>>> # Accessing the model configuration
|
111 |
+
>>> configuration = model.config
|
112 |
+
```"""
|
113 |
+
|
114 |
+
model_type = "phi"
|
115 |
+
keys_to_ignore_at_inference = ["past_key_values"]
|
116 |
+
|
117 |
+
def __init__(
|
118 |
+
self,
|
119 |
+
vocab_size=51200,
|
120 |
+
hidden_size=2048,
|
121 |
+
intermediate_size=8192,
|
122 |
+
num_hidden_layers=24,
|
123 |
+
num_attention_heads=32,
|
124 |
+
num_key_value_heads=None,
|
125 |
+
resid_pdrop=0.0,
|
126 |
+
embd_pdrop=0.0,
|
127 |
+
attention_dropout=0.0,
|
128 |
+
hidden_act="gelu_new",
|
129 |
+
max_position_embeddings=2048,
|
130 |
+
initializer_range=0.02,
|
131 |
+
layer_norm_eps=1e-5,
|
132 |
+
use_cache=True,
|
133 |
+
tie_word_embeddings=False,
|
134 |
+
rope_theta=10000.0,
|
135 |
+
rope_scaling=None,
|
136 |
+
partial_rotary_factor=0.5,
|
137 |
+
qk_layernorm=False,
|
138 |
+
bos_token_id=1,
|
139 |
+
eos_token_id=2,
|
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+
**kwargs,
|
141 |
+
):
|
142 |
+
self.vocab_size = vocab_size
|
143 |
+
self.hidden_size = hidden_size
|
144 |
+
self.intermediate_size = intermediate_size
|
145 |
+
self.num_hidden_layers = num_hidden_layers
|
146 |
+
self.num_attention_heads = num_attention_heads
|
147 |
+
|
148 |
+
if num_key_value_heads is None:
|
149 |
+
num_key_value_heads = num_attention_heads
|
150 |
+
|
151 |
+
self.num_key_value_heads = num_key_value_heads
|
152 |
+
self.resid_pdrop = resid_pdrop
|
153 |
+
self.embd_pdrop = embd_pdrop
|
154 |
+
self.attention_dropout = attention_dropout
|
155 |
+
self.hidden_act = hidden_act
|
156 |
+
self.max_position_embeddings = max_position_embeddings
|
157 |
+
self.initializer_range = initializer_range
|
158 |
+
self.layer_norm_eps = layer_norm_eps
|
159 |
+
self.use_cache = use_cache
|
160 |
+
self.rope_theta = rope_theta
|
161 |
+
self.rope_scaling = rope_scaling
|
162 |
+
self.partial_rotary_factor = partial_rotary_factor
|
163 |
+
self.qk_layernorm = qk_layernorm
|
164 |
+
self._rope_scaling_validation()
|
165 |
+
|
166 |
+
super().__init__(
|
167 |
+
bos_token_id=bos_token_id,
|
168 |
+
eos_token_id=eos_token_id,
|
169 |
+
tie_word_embeddings=tie_word_embeddings,
|
170 |
+
**kwargs,
|
171 |
+
)
|
172 |
+
|
173 |
+
# Copied from transformers.models.llama.configuration_llama.LlamaConfig._rope_scaling_validation
|
174 |
+
def _rope_scaling_validation(self):
|
175 |
+
"""
|
176 |
+
Validate the `rope_scaling` configuration.
|
177 |
+
"""
|
178 |
+
if self.rope_scaling is None:
|
179 |
+
return
|
180 |
+
|
181 |
+
if not isinstance(self.rope_scaling, dict) or len(self.rope_scaling) != 2:
|
182 |
+
raise ValueError(
|
183 |
+
"`rope_scaling` must be a dictionary with with two fields, `type` and `factor`, "
|
184 |
+
f"got {self.rope_scaling}"
|
185 |
+
)
|
186 |
+
rope_scaling_type = self.rope_scaling.get("type", None)
|
187 |
+
rope_scaling_factor = self.rope_scaling.get("factor", None)
|
188 |
+
if rope_scaling_type is None or rope_scaling_type not in ["linear", "dynamic"]:
|
189 |
+
raise ValueError(
|
190 |
+
f"`rope_scaling`'s type field must be one of ['linear', 'dynamic'], got {rope_scaling_type}"
|
191 |
+
)
|
192 |
+
if rope_scaling_factor is None or not isinstance(rope_scaling_factor, float) or rope_scaling_factor <= 1.0:
|
193 |
+
raise ValueError(f"`rope_scaling`'s factor field must be a float > 1, got {rope_scaling_factor}")
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generation_config.json
ADDED
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{
|
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"_from_model_config": true,
|
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+
"bos_token_id": 50256,
|
4 |
+
"eos_token_id": 50256,
|
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+
"transformers_version": "4.39.1"
|
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+
}
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merges.txt
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The diff for this file is too large to render.
See raw diff
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modeling_phi.py
ADDED
@@ -0,0 +1,1369 @@
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1 |
+
# coding=utf-8
|
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# Copyright 2023 Microsoft and the HuggingFace Inc. team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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""" PyTorch Phi model."""
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import math
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from typing import List, Optional, Tuple, Union
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import torch
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import torch.nn.functional as F
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import torch.utils.checkpoint
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from torch import nn
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from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
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from transformers.activations import ACT2FN
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from transformers.cache_utils import Cache, DynamicCache
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from transformers.modeling_attn_mask_utils import _prepare_4d_causal_attention_mask
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from transformers.modeling_outputs import (
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BaseModelOutputWithPast,
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CausalLMOutputWithPast,
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SequenceClassifierOutputWithPast,
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TokenClassifierOutput,
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)
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from transformers.modeling_utils import PreTrainedModel
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from transformers.utils import (
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add_code_sample_docstrings,
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add_start_docstrings,
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add_start_docstrings_to_model_forward,
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is_flash_attn_2_available,
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is_flash_attn_greater_or_equal_2_10,
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logging,
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replace_return_docstrings,
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)
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from .configuration_phi import PhiConfig
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try:
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from flash_attn import flash_attn_func, flash_attn_varlen_func
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from flash_attn.bert_padding import index_first_axis, pad_input, unpad_input # noqa
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except:
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pass
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logger = logging.get_logger(__name__)
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_CHECKPOINT_FOR_DOC = "microsoft/phi-2"
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_CONFIG_FOR_DOC = "PhiConfig"
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PHI_PRETRAINED_MODEL_ARCHIVE_LIST = [
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"microsoft/phi-2",
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# See all Phi models at https://huggingface.co/models?filter=phi
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]
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# Copied from transformers.models.llama.modeling_llama._get_unpad_data
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def _get_unpad_data(attention_mask):
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seqlens_in_batch = attention_mask.sum(dim=-1, dtype=torch.int32)
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indices = torch.nonzero(attention_mask.flatten(), as_tuple=False).flatten()
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max_seqlen_in_batch = seqlens_in_batch.max().item()
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cu_seqlens = F.pad(torch.cumsum(seqlens_in_batch, dim=0, dtype=torch.torch.int32), (1, 0))
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return (
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indices,
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cu_seqlens,
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max_seqlen_in_batch,
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)
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+
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# Copied from transformers.models.llama.modeling_llama.LlamaRotaryEmbedding with Llama->Phi
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class PhiRotaryEmbedding(nn.Module):
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def __init__(self, dim, max_position_embeddings=2048, base=10000, device=None):
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super().__init__()
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self.dim = dim
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self.max_position_embeddings = max_position_embeddings
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self.base = base
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inv_freq = 1.0 / (self.base ** (torch.arange(0, self.dim, 2).float().to(device) / self.dim))
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self.register_buffer("inv_freq", inv_freq, persistent=False)
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# Build here to make `torch.jit.trace` work.
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self._set_cos_sin_cache(
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seq_len=max_position_embeddings, device=self.inv_freq.device, dtype=torch.get_default_dtype()
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)
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def _set_cos_sin_cache(self, seq_len, device, dtype):
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self.max_seq_len_cached = seq_len
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t = torch.arange(self.max_seq_len_cached, device=device, dtype=self.inv_freq.dtype)
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freqs = torch.outer(t, self.inv_freq)
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# Different from paper, but it uses a different permutation in order to obtain the same calculation
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emb = torch.cat((freqs, freqs), dim=-1)
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self.register_buffer("cos_cached", emb.cos().to(dtype), persistent=False)
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self.register_buffer("sin_cached", emb.sin().to(dtype), persistent=False)
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def forward(self, x, seq_len=None):
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# x: [bs, num_attention_heads, seq_len, head_size]
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if seq_len > self.max_seq_len_cached:
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self._set_cos_sin_cache(seq_len=seq_len, device=x.device, dtype=x.dtype)
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return (
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self.cos_cached[:seq_len].to(dtype=x.dtype),
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self.sin_cached[:seq_len].to(dtype=x.dtype),
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)
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# Copied from transformers.models.llama.modeling_llama.LlamaLinearScalingRotaryEmbedding with Llama->Phi
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class PhiLinearScalingRotaryEmbedding(PhiRotaryEmbedding):
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"""PhiRotaryEmbedding extended with linear scaling. Credits to the Reddit user /u/kaiokendev"""
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def __init__(self, dim, max_position_embeddings=2048, base=10000, device=None, scaling_factor=1.0):
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self.scaling_factor = scaling_factor
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super().__init__(dim, max_position_embeddings, base, device)
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def _set_cos_sin_cache(self, seq_len, device, dtype):
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self.max_seq_len_cached = seq_len
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t = torch.arange(self.max_seq_len_cached, device=device, dtype=self.inv_freq.dtype)
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t = t / self.scaling_factor
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freqs = torch.outer(t, self.inv_freq)
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# Different from paper, but it uses a different permutation in order to obtain the same calculation
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emb = torch.cat((freqs, freqs), dim=-1)
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self.register_buffer("cos_cached", emb.cos().to(dtype), persistent=False)
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self.register_buffer("sin_cached", emb.sin().to(dtype), persistent=False)
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# Copied from transformers.models.llama.modeling_llama.LlamaDynamicNTKScalingRotaryEmbedding with Llama->Phi
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class PhiDynamicNTKScalingRotaryEmbedding(PhiRotaryEmbedding):
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"""PhiRotaryEmbedding extended with Dynamic NTK scaling. Credits to the Reddit users /u/bloc97 and /u/emozilla"""
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def __init__(self, dim, max_position_embeddings=2048, base=10000, device=None, scaling_factor=1.0):
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self.scaling_factor = scaling_factor
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super().__init__(dim, max_position_embeddings, base, device)
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def _set_cos_sin_cache(self, seq_len, device, dtype):
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self.max_seq_len_cached = seq_len
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if seq_len > self.max_position_embeddings:
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base = self.base * (
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(self.scaling_factor * seq_len / self.max_position_embeddings) - (self.scaling_factor - 1)
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) ** (self.dim / (self.dim - 2))
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inv_freq = 1.0 / (base ** (torch.arange(0, self.dim, 2).float().to(device) / self.dim))
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self.register_buffer("inv_freq", inv_freq, persistent=False)
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t = torch.arange(self.max_seq_len_cached, device=device, dtype=self.inv_freq.dtype)
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freqs = torch.outer(t, self.inv_freq)
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# Different from paper, but it uses a different permutation in order to obtain the same calculation
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emb = torch.cat((freqs, freqs), dim=-1)
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self.register_buffer("cos_cached", emb.cos().to(dtype), persistent=False)
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self.register_buffer("sin_cached", emb.sin().to(dtype), persistent=False)
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# Copied from transformers.models.llama.modeling_llama.rotate_half
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def rotate_half(x):
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"""Rotates half the hidden dims of the input."""
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x1 = x[..., : x.shape[-1] // 2]
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x2 = x[..., x.shape[-1] // 2 :]
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return torch.cat((-x2, x1), dim=-1)
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# Copied from transformers.models.llama.modeling_llama.apply_rotary_pos_emb
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def apply_rotary_pos_emb(q, k, cos, sin, position_ids, unsqueeze_dim=1):
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"""Applies Rotary Position Embedding to the query and key tensors.
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Args:
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q (`torch.Tensor`): The query tensor.
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k (`torch.Tensor`): The key tensor.
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cos (`torch.Tensor`): The cosine part of the rotary embedding.
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sin (`torch.Tensor`): The sine part of the rotary embedding.
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position_ids (`torch.Tensor`):
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The position indices of the tokens corresponding to the query and key tensors. For example, this can be
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used to pass offsetted position ids when working with a KV-cache.
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unsqueeze_dim (`int`, *optional*, defaults to 1):
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The 'unsqueeze_dim' argument specifies the dimension along which to unsqueeze cos[position_ids] and
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sin[position_ids] so that they can be properly broadcasted to the dimensions of q and k. For example, note
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that cos[position_ids] and sin[position_ids] have the shape [batch_size, seq_len, head_dim]. Then, if q and
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k have the shape [batch_size, heads, seq_len, head_dim], then setting unsqueeze_dim=1 makes
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cos[position_ids] and sin[position_ids] broadcastable to the shapes of q and k. Similarly, if q and k have
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the shape [batch_size, seq_len, heads, head_dim], then set unsqueeze_dim=2.
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Returns:
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`tuple(torch.Tensor)` comprising of the query and key tensors rotated using the Rotary Position Embedding.
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"""
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cos = cos[position_ids].unsqueeze(unsqueeze_dim)
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sin = sin[position_ids].unsqueeze(unsqueeze_dim)
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q_embed = (q * cos) + (rotate_half(q) * sin)
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k_embed = (k * cos) + (rotate_half(k) * sin)
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return q_embed, k_embed
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# Copied from transformers.models.clip.modeling_clip.CLIPMLP with CLIP->Phi
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class PhiMLP(nn.Module):
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def __init__(self, config):
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super().__init__()
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self.config = config
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self.activation_fn = ACT2FN[config.hidden_act]
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self.fc1 = nn.Linear(config.hidden_size, config.intermediate_size)
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self.fc2 = nn.Linear(config.intermediate_size, config.hidden_size)
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+
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def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:
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hidden_states = self.fc1(hidden_states)
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hidden_states = self.activation_fn(hidden_states)
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hidden_states = self.fc2(hidden_states)
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return hidden_states
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+
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+
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# Copied from transformers.models.llama.modeling_llama.repeat_kv with llama->phi
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def repeat_kv(hidden_states: torch.Tensor, n_rep: int) -> torch.Tensor:
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"""
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This is the equivalent of torch.repeat_interleave(x, dim=1, repeats=n_rep). The hidden states go from (batch,
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num_key_value_heads, seqlen, head_dim) to (batch, num_attention_heads, seqlen, head_dim)
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"""
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batch, num_key_value_heads, slen, head_dim = hidden_states.shape
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if n_rep == 1:
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return hidden_states
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hidden_states = hidden_states[:, :, None, :, :].expand(batch, num_key_value_heads, n_rep, slen, head_dim)
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return hidden_states.reshape(batch, num_key_value_heads * n_rep, slen, head_dim)
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+
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+
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class PhiAttention(nn.Module):
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"""Multi-headed attention from 'Attention Is All You Need' paper"""
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+
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def __init__(self, config: PhiConfig, layer_idx: Optional[int] = None):
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super().__init__()
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self.config = config
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self.layer_idx = layer_idx
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if layer_idx is None:
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logger.warning_once(
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f"Instantiating {self.__class__.__name__} without passing `layer_idx` is not recommended and will "
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"to errors during the forward call, if caching is used. Please make sure to provide a `layer_idx` "
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"when creating this class."
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)
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+
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self.attention_dropout = config.attention_dropout
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+
self.hidden_size = config.hidden_size
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+
self.num_heads = config.num_attention_heads
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+
self.head_dim = self.hidden_size // self.num_heads
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+
self.num_key_value_heads = config.num_key_value_heads
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self.num_key_value_groups = self.num_heads // self.num_key_value_heads
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+
self.max_position_embeddings = config.max_position_embeddings
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+
self.rope_theta = config.rope_theta
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self.partial_rotary_factor = config.partial_rotary_factor
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self.is_causal = True
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+
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if (self.head_dim * self.num_heads) != self.hidden_size:
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raise ValueError(
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f"hidden_size must be divisible by num_heads (got `hidden_size`: {self.hidden_size}"
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f" and `num_heads`: {self.num_heads})."
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+
)
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+
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self.q_proj = nn.Linear(self.hidden_size, self.num_heads * self.head_dim, bias=True)
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self.k_proj = nn.Linear(self.hidden_size, self.num_key_value_heads * self.head_dim, bias=True)
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+
self.v_proj = nn.Linear(self.hidden_size, self.num_key_value_heads * self.head_dim, bias=True)
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+
self.dense = nn.Linear(self.num_heads * self.head_dim, self.hidden_size, bias=True)
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+
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+
self.qk_layernorm = config.qk_layernorm
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if self.qk_layernorm:
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+
self.q_layernorm = nn.LayerNorm(
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+
config.hidden_size // self.num_heads, eps=config.layer_norm_eps, elementwise_affine=True
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+
)
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+
self.k_layernorm = nn.LayerNorm(
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+
config.hidden_size // self.num_heads, eps=config.layer_norm_eps, elementwise_affine=True
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+
)
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275 |
+
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+
self._init_rope()
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+
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+
def _init_rope(self):
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+
if self.config.rope_scaling is None:
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+
self.rotary_emb = PhiRotaryEmbedding(
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+
int(self.partial_rotary_factor * self.head_dim),
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+
max_position_embeddings=self.max_position_embeddings,
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+
base=self.rope_theta,
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+
)
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+
else:
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+
scaling_type = self.config.rope_scaling["type"]
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+
scaling_factor = self.config.rope_scaling["factor"]
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288 |
+
if scaling_type == "linear":
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+
self.rotary_emb = PhiLinearScalingRotaryEmbedding(
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+
int(self.partial_rotary_factor * self.head_dim),
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+
max_position_embeddings=self.max_position_embeddings,
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+
scaling_factor=scaling_factor,
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+
base=self.rope_theta,
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+
)
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+
elif scaling_type == "dynamic":
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+
self.rotary_emb = PhiDynamicNTKScalingRotaryEmbedding(
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+
int(self.partial_rotary_factor * self.head_dim),
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+
max_position_embeddings=self.max_position_embeddings,
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+
scaling_factor=scaling_factor,
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+
base=self.rope_theta,
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+
)
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+
else:
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+
raise ValueError(f"Unknown RoPE scaling type {scaling_type}")
|
304 |
+
|
305 |
+
# Phi-2 has an attention overflow issue (with FP16) and requires autocast to be disabled
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+
@torch.autocast("cpu", enabled=False)
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307 |
+
@torch.autocast("cuda", enabled=False)
|
308 |
+
def forward(
|
309 |
+
self,
|
310 |
+
hidden_states: torch.Tensor,
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311 |
+
attention_mask: Optional[torch.Tensor] = None,
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312 |
+
position_ids: Optional[torch.LongTensor] = None,
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+
past_key_value: Optional[Cache] = None,
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+
output_attentions: bool = False,
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+
use_cache: bool = False,
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+
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
|
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+
bsz, q_len, _ = hidden_states.size()
|
318 |
+
|
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+
query_states = self.q_proj(hidden_states)
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+
key_states = self.k_proj(hidden_states)
|
321 |
+
value_states = self.v_proj(hidden_states)
|
322 |
+
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+
if self.qk_layernorm:
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+
query_states = self.q_layernorm(query_states)
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+
key_states = self.k_layernorm(key_states)
|
326 |
+
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+
query_states = query_states.view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
|
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+
key_states = key_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
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329 |
+
value_states = value_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
330 |
+
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+
kv_seq_len = key_states.shape[-2]
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332 |
+
if past_key_value is not None:
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+
if self.layer_idx is None:
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334 |
+
raise ValueError(
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335 |
+
f"The cache structure has changed since version v4.36. If you are using {self.__class__.__name__} "
|
336 |
+
"for auto-regressive decoding with k/v caching, please make sure to initialize the attention class "
|
337 |
+
"with a layer index."
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338 |
+
)
|
339 |
+
kv_seq_len += past_key_value.get_usable_length(kv_seq_len, self.layer_idx)
|
340 |
+
cos, sin = self.rotary_emb(value_states, seq_len=kv_seq_len)
|
341 |
+
|
342 |
+
# Partial rotary embedding
|
343 |
+
query_rot, query_pass = (
|
344 |
+
query_states[..., : self.rotary_emb.dim],
|
345 |
+
query_states[..., self.rotary_emb.dim :],
|
346 |
+
)
|
347 |
+
key_rot, key_pass = (
|
348 |
+
key_states[..., : self.rotary_emb.dim],
|
349 |
+
key_states[..., self.rotary_emb.dim :],
|
350 |
+
)
|
351 |
+
# [batch_size, seq_length, num_heads, head_dim // config.partial_rotary_factor]
|
352 |
+
query_rot, key_rot = apply_rotary_pos_emb(query_rot, key_rot, cos, sin, position_ids)
|
353 |
+
|
354 |
+
# [batch_size, seq_length, num_heads, head_dim]
|
355 |
+
query_states = torch.cat((query_rot, query_pass), dim=-1)
|
356 |
+
key_states = torch.cat((key_rot, key_pass), dim=-1)
|
357 |
+
|
358 |
+
if past_key_value is not None:
|
359 |
+
cache_kwargs = {"sin": sin, "cos": cos, "partial_rotation_size": self.rotary_emb.dim}
|
360 |
+
key_states, value_states = past_key_value.update(key_states, value_states, self.layer_idx, cache_kwargs)
|
361 |
+
|
362 |
+
key_states = repeat_kv(key_states, self.num_key_value_groups)
|
363 |
+
value_states = repeat_kv(value_states, self.num_key_value_groups)
|
364 |
+
|
365 |
+
# Queries and keys upcast to fp32 is required by Phi-2 to avoid overflow
|
366 |
+
attn_weights = torch.matmul(
|
367 |
+
query_states.to(torch.float32), key_states.to(torch.float32).transpose(2, 3)
|
368 |
+
) / math.sqrt(self.head_dim)
|
369 |
+
|
370 |
+
if attn_weights.size() != (bsz, self.num_heads, q_len, kv_seq_len):
|
371 |
+
raise ValueError(
|
372 |
+
f"Attention weights should be of size {(bsz, self.num_heads, q_len, kv_seq_len)}, but is"
|
373 |
+
f" {attn_weights.size()}"
|
374 |
+
)
|
375 |
+
|
376 |
+
if attention_mask is not None:
|
377 |
+
if attention_mask.size() != (bsz, 1, q_len, kv_seq_len):
|
378 |
+
raise ValueError(
|
379 |
+
f"Attention mask should be of size {(bsz, 1, q_len, kv_seq_len)}, but is {attention_mask.size()}"
|
380 |
+
)
|
381 |
+
attn_weights = attn_weights + attention_mask
|
382 |
+
|
383 |
+
# upcast attention to fp32
|
384 |
+
attn_weights = nn.functional.softmax(attn_weights, dim=-1, dtype=torch.float32).to(value_states.dtype)
|
385 |
+
attn_weights = nn.functional.dropout(attn_weights, p=self.attention_dropout, training=self.training)
|
386 |
+
|
387 |
+
attn_output = torch.matmul(attn_weights, value_states)
|
388 |
+
|
389 |
+
if attn_output.size() != (bsz, self.num_heads, q_len, self.head_dim):
|
390 |
+
raise ValueError(
|
391 |
+
f"`attn_output` should be of size {(bsz, self.num_heads, q_len, self.head_dim)}, but is"
|
392 |
+
f" {attn_output.size()}"
|
393 |
+
)
|
394 |
+
|
395 |
+
attn_output = attn_output.transpose(1, 2).contiguous()
|
396 |
+
attn_output = attn_output.reshape(bsz, q_len, self.hidden_size)
|
397 |
+
|
398 |
+
attn_output = self.dense(attn_output)
|
399 |
+
|
400 |
+
if not output_attentions:
|
401 |
+
attn_weights = None
|
402 |
+
|
403 |
+
return attn_output, attn_weights, past_key_value
|
404 |
+
|
405 |
+
|
406 |
+
class PhiFlashAttention2(PhiAttention):
|
407 |
+
"""
|
408 |
+
Phi flash attention module. This module inherits from `PhiAttention` as the weights of the module stays
|
409 |
+
untouched. The only required change would be on the forward pass where it needs to correctly call the public API of
|
410 |
+
flash attention and deal with padding tokens in case the input contains any of them.
|
411 |
+
"""
|
412 |
+
|
413 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaFlashAttention2.__init__
|
414 |
+
def __init__(self, *args, **kwargs):
|
415 |
+
super().__init__(*args, **kwargs)
|
416 |
+
|
417 |
+
# TODO: Should be removed once Flash Attention for RoCm is bumped to 2.1.
|
418 |
+
# flash_attn<2.1 generates top-left aligned causal mask, while what is needed here is bottom-right alignement, that was made default for flash_attn>=2.1. This attribute is used to handle this difference. Reference: https://github.com/Dao-AILab/flash-attention/releases/tag/v2.1.0.
|
419 |
+
# Beware that with flash_attn<2.1, using q_seqlen != k_seqlen (except for the case q_seqlen == 1) produces a wrong mask (top-left).
|
420 |
+
self._flash_attn_uses_top_left_mask = not is_flash_attn_greater_or_equal_2_10()
|
421 |
+
|
422 |
+
def forward(
|
423 |
+
self,
|
424 |
+
hidden_states: torch.Tensor,
|
425 |
+
attention_mask: Optional[torch.LongTensor] = None,
|
426 |
+
position_ids: Optional[torch.LongTensor] = None,
|
427 |
+
past_key_value: Optional[Cache] = None,
|
428 |
+
output_attentions: bool = False,
|
429 |
+
use_cache: bool = False,
|
430 |
+
**kwargs,
|
431 |
+
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
|
432 |
+
# PhiFlashAttention2 attention does not support output_attentions
|
433 |
+
|
434 |
+
output_attentions = False
|
435 |
+
|
436 |
+
bsz, q_len, _ = hidden_states.size()
|
437 |
+
|
438 |
+
query_states = self.q_proj(hidden_states)
|
439 |
+
key_states = self.k_proj(hidden_states)
|
440 |
+
value_states = self.v_proj(hidden_states)
|
441 |
+
|
442 |
+
if self.qk_layernorm:
|
443 |
+
query_states = self.q_layernorm(query_states)
|
444 |
+
key_states = self.k_layernorm(key_states)
|
445 |
+
|
446 |
+
# Flash attention requires the input to have the shape
|
447 |
+
# batch_size x seq_length x head_dim x hidden_dim
|
448 |
+
# therefore we just need to keep the original shape
|
449 |
+
query_states = query_states.view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
|
450 |
+
key_states = key_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
451 |
+
value_states = value_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
452 |
+
|
453 |
+
kv_seq_len = key_states.shape[-2]
|
454 |
+
if past_key_value is not None:
|
455 |
+
kv_seq_len += past_key_value.get_usable_length(kv_seq_len, self.layer_idx)
|
456 |
+
cos, sin = self.rotary_emb(value_states, seq_len=kv_seq_len)
|
457 |
+
|
458 |
+
# Partial rotary embedding
|
459 |
+
query_rot, query_pass = (
|
460 |
+
query_states[..., : self.rotary_emb.dim],
|
461 |
+
query_states[..., self.rotary_emb.dim :],
|
462 |
+
)
|
463 |
+
key_rot, key_pass = (
|
464 |
+
key_states[..., : self.rotary_emb.dim],
|
465 |
+
key_states[..., self.rotary_emb.dim :],
|
466 |
+
)
|
467 |
+
# [batch_size, seq_length, num_heads, head_dim // config.partial_rotary_factor]
|
468 |
+
query_rot, key_rot = apply_rotary_pos_emb(query_rot, key_rot, cos, sin, position_ids)
|
469 |
+
|
470 |
+
# [batch_size, seq_length, num_heads, head_dim]
|
471 |
+
query_states = torch.cat((query_rot, query_pass), dim=-1)
|
472 |
+
key_states = torch.cat((key_rot, key_pass), dim=-1)
|
473 |
+
|
474 |
+
if past_key_value is not None:
|
475 |
+
cache_kwargs = {"sin": sin, "cos": cos, "partial_rotation_size": self.rotary_emb.dim}
|
476 |
+
key_states, value_states = past_key_value.update(key_states, value_states, self.layer_idx, cache_kwargs)
|
477 |
+
|
478 |
+
# TODO: These transpose are quite inefficient but Flash Attention requires the layout [batch_size, sequence_length, num_heads, head_dim]. We would need to refactor the KV cache
|
479 |
+
# to be able to avoid many of these transpose/reshape/view.
|
480 |
+
query_states = query_states.transpose(1, 2)
|
481 |
+
key_states = key_states.transpose(1, 2)
|
482 |
+
value_states = value_states.transpose(1, 2)
|
483 |
+
|
484 |
+
attn_dropout = self.attention_dropout if self.training else 0.0
|
485 |
+
|
486 |
+
# In PEFT, usually we cast the layer norms in float32 for training stability reasons
|
487 |
+
# therefore the input hidden states gets silently casted in float32. Hence, we need
|
488 |
+
# cast them back in the correct dtype just to be sure everything works as expected.
|
489 |
+
# This might slowdown training & inference so it is recommended to not cast the LayerNorms
|
490 |
+
# in fp32.
|
491 |
+
|
492 |
+
if query_states.dtype == torch.float32:
|
493 |
+
if torch.is_autocast_enabled():
|
494 |
+
target_dtype = torch.get_autocast_gpu_dtype()
|
495 |
+
# Handle the case where the model is quantized
|
496 |
+
elif hasattr(self.config, "_pre_quantization_dtype"):
|
497 |
+
target_dtype = self.config._pre_quantization_dtype
|
498 |
+
else:
|
499 |
+
target_dtype = self.q_proj.weight.dtype
|
500 |
+
|
501 |
+
logger.warning_once(
|
502 |
+
f"The input hidden states seems to be silently casted in float32, this might be related to"
|
503 |
+
f" the fact you have upcasted embedding or layer norm layers in float32. We will cast back the input in"
|
504 |
+
f" {target_dtype}."
|
505 |
+
)
|
506 |
+
|
507 |
+
query_states = query_states.to(target_dtype)
|
508 |
+
key_states = key_states.to(target_dtype)
|
509 |
+
value_states = value_states.to(target_dtype)
|
510 |
+
|
511 |
+
attn_output = self._flash_attention_forward(
|
512 |
+
query_states, key_states, value_states, attention_mask, q_len, dropout=attn_dropout, softmax_scale=None
|
513 |
+
)
|
514 |
+
|
515 |
+
attn_output = attn_output.reshape(bsz, q_len, self.hidden_size).contiguous()
|
516 |
+
attn_output = self.dense(attn_output)
|
517 |
+
|
518 |
+
if not output_attentions:
|
519 |
+
attn_weights = None
|
520 |
+
|
521 |
+
return attn_output, attn_weights, past_key_value
|
522 |
+
|
523 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaFlashAttention2._flash_attention_forward
|
524 |
+
def _flash_attention_forward(
|
525 |
+
self, query_states, key_states, value_states, attention_mask, query_length, dropout=0.0, softmax_scale=None
|
526 |
+
):
|
527 |
+
"""
|
528 |
+
Calls the forward method of Flash Attention - if the input hidden states contain at least one padding token
|
529 |
+
first unpad the input, then computes the attention scores and pad the final attention scores.
|
530 |
+
|
531 |
+
Args:
|
532 |
+
query_states (`torch.Tensor`):
|
533 |
+
Input query states to be passed to Flash Attention API
|
534 |
+
key_states (`torch.Tensor`):
|
535 |
+
Input key states to be passed to Flash Attention API
|
536 |
+
value_states (`torch.Tensor`):
|
537 |
+
Input value states to be passed to Flash Attention API
|
538 |
+
attention_mask (`torch.Tensor`):
|
539 |
+
The padding mask - corresponds to a tensor of size `(batch_size, seq_len)` where 0 stands for the
|
540 |
+
position of padding tokens and 1 for the position of non-padding tokens.
|
541 |
+
dropout (`int`, *optional*):
|
542 |
+
Attention dropout
|
543 |
+
softmax_scale (`float`, *optional*):
|
544 |
+
The scaling of QK^T before applying softmax. Default to 1 / sqrt(head_dim)
|
545 |
+
"""
|
546 |
+
if not self._flash_attn_uses_top_left_mask:
|
547 |
+
causal = self.is_causal
|
548 |
+
else:
|
549 |
+
# TODO: Remove the `query_length != 1` check once Flash Attention for RoCm is bumped to 2.1. For details, please see the comment in LlamaFlashAttention2 __init__.
|
550 |
+
causal = self.is_causal and query_length != 1
|
551 |
+
|
552 |
+
# Contains at least one padding token in the sequence
|
553 |
+
if attention_mask is not None:
|
554 |
+
batch_size = query_states.shape[0]
|
555 |
+
query_states, key_states, value_states, indices_q, cu_seq_lens, max_seq_lens = self._upad_input(
|
556 |
+
query_states, key_states, value_states, attention_mask, query_length
|
557 |
+
)
|
558 |
+
|
559 |
+
cu_seqlens_q, cu_seqlens_k = cu_seq_lens
|
560 |
+
max_seqlen_in_batch_q, max_seqlen_in_batch_k = max_seq_lens
|
561 |
+
|
562 |
+
attn_output_unpad = flash_attn_varlen_func(
|
563 |
+
query_states,
|
564 |
+
key_states,
|
565 |
+
value_states,
|
566 |
+
cu_seqlens_q=cu_seqlens_q,
|
567 |
+
cu_seqlens_k=cu_seqlens_k,
|
568 |
+
max_seqlen_q=max_seqlen_in_batch_q,
|
569 |
+
max_seqlen_k=max_seqlen_in_batch_k,
|
570 |
+
dropout_p=dropout,
|
571 |
+
softmax_scale=softmax_scale,
|
572 |
+
causal=causal,
|
573 |
+
)
|
574 |
+
|
575 |
+
attn_output = pad_input(attn_output_unpad, indices_q, batch_size, query_length)
|
576 |
+
else:
|
577 |
+
attn_output = flash_attn_func(
|
578 |
+
query_states, key_states, value_states, dropout, softmax_scale=softmax_scale, causal=causal
|
579 |
+
)
|
580 |
+
|
581 |
+
return attn_output
|
582 |
+
|
583 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaFlashAttention2._upad_input
|
584 |
+
def _upad_input(self, query_layer, key_layer, value_layer, attention_mask, query_length):
|
585 |
+
indices_k, cu_seqlens_k, max_seqlen_in_batch_k = _get_unpad_data(attention_mask)
|
586 |
+
batch_size, kv_seq_len, num_key_value_heads, head_dim = key_layer.shape
|
587 |
+
|
588 |
+
key_layer = index_first_axis(
|
589 |
+
key_layer.reshape(batch_size * kv_seq_len, num_key_value_heads, head_dim), indices_k
|
590 |
+
)
|
591 |
+
value_layer = index_first_axis(
|
592 |
+
value_layer.reshape(batch_size * kv_seq_len, num_key_value_heads, head_dim), indices_k
|
593 |
+
)
|
594 |
+
if query_length == kv_seq_len:
|
595 |
+
query_layer = index_first_axis(
|
596 |
+
query_layer.reshape(batch_size * kv_seq_len, self.num_heads, head_dim), indices_k
|
597 |
+
)
|
598 |
+
cu_seqlens_q = cu_seqlens_k
|
599 |
+
max_seqlen_in_batch_q = max_seqlen_in_batch_k
|
600 |
+
indices_q = indices_k
|
601 |
+
elif query_length == 1:
|
602 |
+
max_seqlen_in_batch_q = 1
|
603 |
+
cu_seqlens_q = torch.arange(
|
604 |
+
batch_size + 1, dtype=torch.int32, device=query_layer.device
|
605 |
+
) # There is a memcpy here, that is very bad.
|
606 |
+
indices_q = cu_seqlens_q[:-1]
|
607 |
+
query_layer = query_layer.squeeze(1)
|
608 |
+
else:
|
609 |
+
# The -q_len: slice assumes left padding.
|
610 |
+
attention_mask = attention_mask[:, -query_length:]
|
611 |
+
query_layer, indices_q, cu_seqlens_q, max_seqlen_in_batch_q = unpad_input(query_layer, attention_mask)
|
612 |
+
|
613 |
+
return (
|
614 |
+
query_layer,
|
615 |
+
key_layer,
|
616 |
+
value_layer,
|
617 |
+
indices_q,
|
618 |
+
(cu_seqlens_q, cu_seqlens_k),
|
619 |
+
(max_seqlen_in_batch_q, max_seqlen_in_batch_k),
|
620 |
+
)
|
621 |
+
|
622 |
+
|
623 |
+
PHI_ATTENTION_CLASSES = {
|
624 |
+
"eager": PhiAttention,
|
625 |
+
"flash_attention_2": PhiFlashAttention2,
|
626 |
+
}
|
627 |
+
|
628 |
+
|
629 |
+
class PhiDecoderLayer(nn.Module):
|
630 |
+
def __init__(self, config: PhiConfig, layer_idx: int):
|
631 |
+
super().__init__()
|
632 |
+
self.self_attn = PHI_ATTENTION_CLASSES[config._attn_implementation](config, layer_idx=layer_idx)
|
633 |
+
self.mlp = PhiMLP(config)
|
634 |
+
self.input_layernorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps)
|
635 |
+
self.resid_dropout = nn.Dropout(config.resid_pdrop)
|
636 |
+
|
637 |
+
def forward(
|
638 |
+
self,
|
639 |
+
hidden_states: torch.Tensor,
|
640 |
+
attention_mask: Optional[torch.Tensor] = None,
|
641 |
+
position_ids: Optional[torch.LongTensor] = None,
|
642 |
+
output_attentions: Optional[bool] = False,
|
643 |
+
use_cache: Optional[bool] = False,
|
644 |
+
past_key_value: Optional[Tuple[torch.Tensor]] = None,
|
645 |
+
) -> Tuple[torch.FloatTensor, Optional[Tuple[torch.FloatTensor, torch.FloatTensor]]]:
|
646 |
+
"""
|
647 |
+
Args:
|
648 |
+
hidden_states (`torch.FloatTensor`):
|
649 |
+
input to the layer of shape `(batch, seq_len, embed_dim)`
|
650 |
+
attention_mask (`torch.FloatTensor`, *optional*): attention mask of size
|
651 |
+
`(batch, 1, tgt_len, src_len)` where padding elements are indicated by very large negative values.
|
652 |
+
position_ids (`torch.LongTensor` of shape `({0})`, *optional*):
|
653 |
+
Indices of positions of each input sequence tokens in the position embeddings. Selected in the range
|
654 |
+
`[0, config.n_positions - 1]`. [What are position IDs?](../glossary#position-ids)
|
655 |
+
output_attentions (`bool`, *optional*):
|
656 |
+
Whether or not to return the attentions tensors of all attention layers. See `attentions` under
|
657 |
+
returned tensors for more detail.
|
658 |
+
use_cache (`bool`, *optional*):
|
659 |
+
If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding
|
660 |
+
(see `past_key_values`).
|
661 |
+
past_key_value (`Tuple(torch.FloatTensor)`, *optional*): cached past key and value projection states
|
662 |
+
"""
|
663 |
+
|
664 |
+
residual = hidden_states
|
665 |
+
|
666 |
+
hidden_states = self.input_layernorm(hidden_states)
|
667 |
+
|
668 |
+
# Self Attention
|
669 |
+
attn_outputs, self_attn_weights, present_key_value = self.self_attn(
|
670 |
+
hidden_states=hidden_states,
|
671 |
+
attention_mask=attention_mask,
|
672 |
+
position_ids=position_ids,
|
673 |
+
past_key_value=past_key_value,
|
674 |
+
output_attentions=output_attentions,
|
675 |
+
use_cache=use_cache,
|
676 |
+
)
|
677 |
+
attn_outputs = self.resid_dropout(attn_outputs)
|
678 |
+
|
679 |
+
feed_forward_hidden_states = self.resid_dropout(self.mlp(hidden_states))
|
680 |
+
hidden_states = attn_outputs + feed_forward_hidden_states + residual
|
681 |
+
outputs = (hidden_states,)
|
682 |
+
|
683 |
+
if output_attentions:
|
684 |
+
outputs += (self_attn_weights,)
|
685 |
+
|
686 |
+
if use_cache:
|
687 |
+
outputs += (present_key_value,)
|
688 |
+
|
689 |
+
return outputs
|
690 |
+
|
691 |
+
|
692 |
+
PHI_START_DOCSTRING = r"""
|
693 |
+
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
|
694 |
+
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
|
695 |
+
etc.)
|
696 |
+
|
697 |
+
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
|
698 |
+
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
|
699 |
+
and behavior.
|
700 |
+
|
701 |
+
Parameters:
|
702 |
+
config ([`PhiConfig`]):
|
703 |
+
Model configuration class with all the parameters of the model. Initializing with a config file does not
|
704 |
+
load the weights associated with the model, only the configuration. Check out the
|
705 |
+
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
|
706 |
+
"""
|
707 |
+
|
708 |
+
|
709 |
+
@add_start_docstrings(
|
710 |
+
"The bare Phi Model outputting raw hidden-states without any specific head on top.",
|
711 |
+
PHI_START_DOCSTRING,
|
712 |
+
)
|
713 |
+
class PhiPreTrainedModel(PreTrainedModel):
|
714 |
+
config_class = PhiConfig
|
715 |
+
base_model_prefix = "model"
|
716 |
+
supports_gradient_checkpointing = True
|
717 |
+
_no_split_modules = ["PhiDecoderLayer"]
|
718 |
+
_skip_keys_device_placement = "past_key_values"
|
719 |
+
_supports_flash_attn_2 = True
|
720 |
+
_supports_cache_class = True
|
721 |
+
|
722 |
+
def _init_weights(self, module):
|
723 |
+
std = self.config.initializer_range
|
724 |
+
if isinstance(module, nn.Linear):
|
725 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
726 |
+
if module.bias is not None:
|
727 |
+
module.bias.data.zero_()
|
728 |
+
elif isinstance(module, nn.Embedding):
|
729 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
730 |
+
if module.padding_idx is not None:
|
731 |
+
module.weight.data[module.padding_idx].zero_()
|
732 |
+
|
733 |
+
|
734 |
+
PHI_INPUTS_DOCSTRING = r"""
|
735 |
+
Args:
|
736 |
+
input_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`):
|
737 |
+
Indices of input sequence tokens in the vocabulary. Padding will be ignored by default should you provide
|
738 |
+
it.
|
739 |
+
|
740 |
+
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
|
741 |
+
[`PreTrainedTokenizer.__call__`] for details.
|
742 |
+
|
743 |
+
[What are input IDs?](../glossary#input-ids)
|
744 |
+
attention_mask (`torch.Tensor` of shape `(batch_size, sequence_length)`, *optional*):
|
745 |
+
Mask to avoid performing attention on padding token indices. Mask values selected in `[0, 1]`:
|
746 |
+
|
747 |
+
- 1 for tokens that are **not masked**,
|
748 |
+
- 0 for tokens that are **masked**.
|
749 |
+
|
750 |
+
[What are attention masks?](../glossary#attention-mask)
|
751 |
+
|
752 |
+
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
|
753 |
+
[`PreTrainedTokenizer.__call__`] for details.
|
754 |
+
|
755 |
+
If `past_key_values` is used, optionally only the last `input_ids` have to be input (see
|
756 |
+
`past_key_values`).
|
757 |
+
|
758 |
+
If you want to change padding behavior, you should read [`modeling_opt._prepare_decoder_attention_mask`]
|
759 |
+
and modify to your needs. See diagram 1 in [the paper](https://arxiv.org/abs/1910.13461) for more
|
760 |
+
information on the default strategy.
|
761 |
+
|
762 |
+
- 1 indicates the head is **not masked**,
|
763 |
+
- 0 indicates the head is **masked**.
|
764 |
+
position_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
|
765 |
+
Indices of positions of each input sequence tokens in the position embeddings. Selected in the range `[0,
|
766 |
+
config.n_positions - 1]`.
|
767 |
+
|
768 |
+
[What are position IDs?](../glossary#position-ids)
|
769 |
+
past_key_values (`Cache` or `tuple(tuple(torch.FloatTensor))`, *optional*):
|
770 |
+
Pre-computed hidden-states (key and values in the self-attention blocks and in the cross-attention
|
771 |
+
blocks) that can be used to speed up sequential decoding. This typically consists in the `past_key_values`
|
772 |
+
returned by the model at a previous stage of decoding, when `use_cache=True` or `config.use_cache=True`.
|
773 |
+
|
774 |
+
Two formats are allowed:
|
775 |
+
- a [`~cache_utils.Cache`] instance;
|
776 |
+
- Tuple of `tuple(torch.FloatTensor)` of length `config.n_layers`, with each tuple having 2 tensors of
|
777 |
+
shape `(batch_size, num_heads, sequence_length, embed_size_per_head)`). This is also known as the legacy
|
778 |
+
cache format.
|
779 |
+
|
780 |
+
The model will output the same cache format that is fed as input. If no `past_key_values` are passed, the
|
781 |
+
legacy cache format will be returned.
|
782 |
+
|
783 |
+
If `past_key_values` are used, the user can optionally input only the last `input_ids` (those that don't
|
784 |
+
have their past key value states given to this model) of shape `(batch_size, 1)` instead of all `input_ids`
|
785 |
+
of shape `(batch_size, sequence_length)`.
|
786 |
+
inputs_embeds (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`, *optional*):
|
787 |
+
Optionally, instead of passing `input_ids` you can choose to directly pass an embedded representation. This
|
788 |
+
is useful if you want more control over how to convert `input_ids` indices into associated vectors than the
|
789 |
+
model's internal embedding lookup matrix.
|
790 |
+
use_cache (`bool`, *optional*):
|
791 |
+
If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding (see
|
792 |
+
`past_key_values`).
|
793 |
+
output_attentions (`bool`, *optional*):
|
794 |
+
Whether or not to return the attentions tensors of all attention layers. See `attentions` under returned
|
795 |
+
tensors for more detail.
|
796 |
+
output_hidden_states (`bool`, *optional*):
|
797 |
+
Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
|
798 |
+
more detail.
|
799 |
+
return_dict (`bool`, *optional*):
|
800 |
+
Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
|
801 |
+
"""
|
802 |
+
|
803 |
+
|
804 |
+
@add_start_docstrings(
|
805 |
+
"The bare Phi Model outputting raw hidden-states without any specific head on top.",
|
806 |
+
PHI_START_DOCSTRING,
|
807 |
+
)
|
808 |
+
class PhiModel(PhiPreTrainedModel):
|
809 |
+
"""
|
810 |
+
Transformer decoder consisting of *config.num_hidden_layers* layers. Each layer is a [`PhiDecoderLayer`]
|
811 |
+
|
812 |
+
Args:
|
813 |
+
config: PhiConfig
|
814 |
+
"""
|
815 |
+
|
816 |
+
def __init__(self, config: PhiConfig):
|
817 |
+
super().__init__(config)
|
818 |
+
self.padding_idx = config.pad_token_id
|
819 |
+
self.vocab_size = config.vocab_size
|
820 |
+
|
821 |
+
self.embed_tokens = nn.Embedding(config.vocab_size, config.hidden_size, self.padding_idx)
|
822 |
+
self.embed_dropout = nn.Dropout(config.embd_pdrop)
|
823 |
+
self.layers = nn.ModuleList(
|
824 |
+
[PhiDecoderLayer(config, layer_idx) for layer_idx in range(config.num_hidden_layers)]
|
825 |
+
)
|
826 |
+
self.final_layernorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps)
|
827 |
+
self._use_flash_attention_2 = config._attn_implementation == "flash_attention_2"
|
828 |
+
|
829 |
+
self.gradient_checkpointing = False
|
830 |
+
# Initialize weights and apply final processing
|
831 |
+
self.post_init()
|
832 |
+
|
833 |
+
def get_input_embeddings(self):
|
834 |
+
return self.embed_tokens
|
835 |
+
|
836 |
+
def set_input_embeddings(self, value):
|
837 |
+
self.embed_tokens = value
|
838 |
+
|
839 |
+
@add_start_docstrings_to_model_forward(PHI_INPUTS_DOCSTRING)
|
840 |
+
def forward(
|
841 |
+
self,
|
842 |
+
input_ids: torch.LongTensor = None,
|
843 |
+
attention_mask: Optional[torch.Tensor] = None,
|
844 |
+
position_ids: Optional[torch.LongTensor] = None,
|
845 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
846 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
847 |
+
use_cache: Optional[bool] = None,
|
848 |
+
output_attentions: Optional[bool] = None,
|
849 |
+
output_hidden_states: Optional[bool] = None,
|
850 |
+
return_dict: Optional[bool] = None,
|
851 |
+
) -> Union[Tuple, BaseModelOutputWithPast]:
|
852 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
853 |
+
output_hidden_states = (
|
854 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
855 |
+
)
|
856 |
+
use_cache = use_cache if use_cache is not None else self.config.use_cache
|
857 |
+
|
858 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
859 |
+
|
860 |
+
# retrieve input_ids and inputs_embeds
|
861 |
+
if input_ids is not None and inputs_embeds is not None:
|
862 |
+
raise ValueError("You cannot specify both input_ids and inputs_embeds at the same time")
|
863 |
+
elif input_ids is not None:
|
864 |
+
batch_size, seq_length = input_ids.shape[:2]
|
865 |
+
elif inputs_embeds is not None:
|
866 |
+
batch_size, seq_length = inputs_embeds.shape[:2]
|
867 |
+
else:
|
868 |
+
raise ValueError("You have to specify either input_ids or inputs_embeds")
|
869 |
+
|
870 |
+
past_key_values_length = 0
|
871 |
+
|
872 |
+
if self.gradient_checkpointing and self.training:
|
873 |
+
if use_cache:
|
874 |
+
logger.warning_once(
|
875 |
+
"`use_cache=True` is incompatible with gradient checkpointing. Setting `use_cache=False`..."
|
876 |
+
)
|
877 |
+
use_cache = False
|
878 |
+
|
879 |
+
if use_cache:
|
880 |
+
use_legacy_cache = not isinstance(past_key_values, Cache)
|
881 |
+
if use_legacy_cache:
|
882 |
+
past_key_values = DynamicCache.from_legacy_cache(past_key_values)
|
883 |
+
past_key_values_length = past_key_values.get_usable_length(seq_length)
|
884 |
+
|
885 |
+
if position_ids is None:
|
886 |
+
device = input_ids.device if input_ids is not None else inputs_embeds.device
|
887 |
+
position_ids = torch.arange(
|
888 |
+
past_key_values_length, seq_length + past_key_values_length, dtype=torch.long, device=device
|
889 |
+
)
|
890 |
+
position_ids = position_ids.unsqueeze(0)
|
891 |
+
|
892 |
+
if inputs_embeds is None:
|
893 |
+
inputs_embeds = self.embed_tokens(input_ids)
|
894 |
+
|
895 |
+
inputs_embeds = self.embed_dropout(inputs_embeds)
|
896 |
+
|
897 |
+
# Attention mask.
|
898 |
+
if self._use_flash_attention_2:
|
899 |
+
# 2d mask is passed through the layers
|
900 |
+
attention_mask = attention_mask if (attention_mask is not None and 0 in attention_mask) else None
|
901 |
+
else:
|
902 |
+
# 4d mask is passed through the layers
|
903 |
+
attention_mask = _prepare_4d_causal_attention_mask(
|
904 |
+
attention_mask, (batch_size, seq_length), inputs_embeds, past_key_values_length
|
905 |
+
)
|
906 |
+
|
907 |
+
hidden_states = inputs_embeds
|
908 |
+
|
909 |
+
# decoder layers
|
910 |
+
all_hidden_states = () if output_hidden_states else None
|
911 |
+
all_self_attns = () if output_attentions else None
|
912 |
+
next_decoder_cache = None
|
913 |
+
|
914 |
+
for decoder_layer in self.layers:
|
915 |
+
if output_hidden_states:
|
916 |
+
all_hidden_states += (hidden_states,)
|
917 |
+
|
918 |
+
if self.gradient_checkpointing and self.training:
|
919 |
+
layer_outputs = self._gradient_checkpointing_func(
|
920 |
+
decoder_layer.__call__,
|
921 |
+
hidden_states,
|
922 |
+
attention_mask,
|
923 |
+
position_ids,
|
924 |
+
past_key_values,
|
925 |
+
output_attentions,
|
926 |
+
)
|
927 |
+
else:
|
928 |
+
layer_outputs = decoder_layer(
|
929 |
+
hidden_states,
|
930 |
+
attention_mask=attention_mask,
|
931 |
+
position_ids=position_ids,
|
932 |
+
past_key_value=past_key_values,
|
933 |
+
output_attentions=output_attentions,
|
934 |
+
use_cache=use_cache,
|
935 |
+
)
|
936 |
+
|
937 |
+
hidden_states = layer_outputs[0]
|
938 |
+
|
939 |
+
if use_cache:
|
940 |
+
next_decoder_cache = layer_outputs[2 if output_attentions else 1]
|
941 |
+
|
942 |
+
if output_attentions:
|
943 |
+
all_self_attns += (layer_outputs[1],)
|
944 |
+
|
945 |
+
hidden_states = self.final_layernorm(hidden_states)
|
946 |
+
|
947 |
+
# add hidden states from the last decoder layer
|
948 |
+
if output_hidden_states:
|
949 |
+
all_hidden_states += (hidden_states,)
|
950 |
+
|
951 |
+
next_cache = None
|
952 |
+
if use_cache:
|
953 |
+
next_cache = next_decoder_cache.to_legacy_cache() if use_legacy_cache else next_decoder_cache
|
954 |
+
if not return_dict:
|
955 |
+
return tuple(v for v in [hidden_states, next_cache, all_hidden_states, all_self_attns] if v is not None)
|
956 |
+
return BaseModelOutputWithPast(
|
957 |
+
last_hidden_state=hidden_states,
|
958 |
+
past_key_values=next_cache,
|
959 |
+
hidden_states=all_hidden_states,
|
960 |
+
attentions=all_self_attns,
|
961 |
+
)
|
962 |
+
|
963 |
+
|
964 |
+
class PhiForCausalLM(PhiPreTrainedModel):
|
965 |
+
_tied_weights_keys = ["lm_head.weight"]
|
966 |
+
|
967 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.__init__ with Llama->Phi,bias=False->bias=True
|
968 |
+
def __init__(self, config):
|
969 |
+
super().__init__(config)
|
970 |
+
self.model = PhiModel(config)
|
971 |
+
self.vocab_size = config.vocab_size
|
972 |
+
self.lm_head = nn.Linear(config.hidden_size, config.vocab_size, bias=True)
|
973 |
+
|
974 |
+
# Initialize weights and apply final processing
|
975 |
+
self.post_init()
|
976 |
+
|
977 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.get_input_embeddings
|
978 |
+
def get_input_embeddings(self):
|
979 |
+
return self.model.embed_tokens
|
980 |
+
|
981 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.set_input_embeddings
|
982 |
+
def set_input_embeddings(self, value):
|
983 |
+
self.model.embed_tokens = value
|
984 |
+
|
985 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.get_output_embeddings
|
986 |
+
def get_output_embeddings(self):
|
987 |
+
return self.lm_head
|
988 |
+
|
989 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.set_output_embeddings
|
990 |
+
def set_output_embeddings(self, new_embeddings):
|
991 |
+
self.lm_head = new_embeddings
|
992 |
+
|
993 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.set_decoder
|
994 |
+
def set_decoder(self, decoder):
|
995 |
+
self.model = decoder
|
996 |
+
|
997 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.get_decoder
|
998 |
+
def get_decoder(self):
|
999 |
+
return self.model
|
1000 |
+
|
1001 |
+
@add_start_docstrings_to_model_forward(PHI_INPUTS_DOCSTRING)
|
1002 |
+
@replace_return_docstrings(output_type=CausalLMOutputWithPast, config_class=_CONFIG_FOR_DOC)
|
1003 |
+
def forward(
|
1004 |
+
self,
|
1005 |
+
input_ids: torch.LongTensor = None,
|
1006 |
+
attention_mask: Optional[torch.Tensor] = None,
|
1007 |
+
position_ids: Optional[torch.LongTensor] = None,
|
1008 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
1009 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
1010 |
+
labels: Optional[torch.LongTensor] = None,
|
1011 |
+
use_cache: Optional[bool] = None,
|
1012 |
+
output_attentions: Optional[bool] = None,
|
1013 |
+
output_hidden_states: Optional[bool] = None,
|
1014 |
+
return_dict: Optional[bool] = None,
|
1015 |
+
) -> Union[Tuple, CausalLMOutputWithPast]:
|
1016 |
+
r"""
|
1017 |
+
Args:
|
1018 |
+
labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
|
1019 |
+
Labels for computing the masked language modeling loss. Indices should either be in `[0, ...,
|
1020 |
+
config.vocab_size]` or -100 (see `input_ids` docstring). Tokens with indices set to `-100` are ignored
|
1021 |
+
(masked), the loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`.
|
1022 |
+
|
1023 |
+
Returns:
|
1024 |
+
|
1025 |
+
Example:
|
1026 |
+
|
1027 |
+
```python
|
1028 |
+
>>> from transformers import AutoTokenizer, PhiForCausalLM
|
1029 |
+
|
1030 |
+
>>> model = PhiForCausalLM.from_pretrained("microsoft/phi-1")
|
1031 |
+
>>> tokenizer = AutoTokenizer.from_pretrained("microsoft/phi-1")
|
1032 |
+
|
1033 |
+
>>> prompt = "This is an example script ."
|
1034 |
+
>>> inputs = tokenizer(prompt, return_tensors="pt")
|
1035 |
+
|
1036 |
+
>>> # Generate
|
1037 |
+
>>> generate_ids = model.generate(inputs.input_ids, max_length=30)
|
1038 |
+
>>> tokenizer.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0]
|
1039 |
+
'This is an example script .\n\n\n\nfrom typing import List\n\ndef find_most_common_letter(words: List[str'
|
1040 |
+
```"""
|
1041 |
+
|
1042 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
1043 |
+
output_hidden_states = (
|
1044 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
1045 |
+
)
|
1046 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
1047 |
+
|
1048 |
+
# decoder outputs consists of (dec_features, layer_state, dec_hidden, dec_attn)
|
1049 |
+
outputs = self.model(
|
1050 |
+
input_ids=input_ids,
|
1051 |
+
attention_mask=attention_mask,
|
1052 |
+
position_ids=position_ids,
|
1053 |
+
past_key_values=past_key_values,
|
1054 |
+
inputs_embeds=inputs_embeds,
|
1055 |
+
use_cache=use_cache,
|
1056 |
+
output_attentions=output_attentions,
|
1057 |
+
output_hidden_states=output_hidden_states,
|
1058 |
+
return_dict=return_dict,
|
1059 |
+
)
|
1060 |
+
|
1061 |
+
hidden_states = outputs[0]
|
1062 |
+
logits = self.lm_head(hidden_states)
|
1063 |
+
logits = logits.float()
|
1064 |
+
|
1065 |
+
loss = None
|
1066 |
+
if labels is not None:
|
1067 |
+
# Shift so that tokens < n predict n
|
1068 |
+
shift_logits = logits[..., :-1, :].contiguous()
|
1069 |
+
shift_labels = labels[..., 1:].contiguous()
|
1070 |
+
# Flatten the tokens
|
1071 |
+
loss_fct = CrossEntropyLoss()
|
1072 |
+
shift_logits = shift_logits.view(-1, self.config.vocab_size)
|
1073 |
+
shift_labels = shift_labels.view(-1)
|
1074 |
+
# Enable model parallelism
|
1075 |
+
shift_labels = shift_labels.to(shift_logits.device)
|
1076 |
+
loss = loss_fct(shift_logits, shift_labels)
|
1077 |
+
|
1078 |
+
if not return_dict:
|
1079 |
+
output = (logits,) + outputs[1:]
|
1080 |
+
return (loss,) + output if loss is not None else output
|
1081 |
+
|
1082 |
+
return CausalLMOutputWithPast(
|
1083 |
+
loss=loss,
|
1084 |
+
logits=logits,
|
1085 |
+
past_key_values=outputs.past_key_values,
|
1086 |
+
hidden_states=outputs.hidden_states,
|
1087 |
+
attentions=outputs.attentions,
|
1088 |
+
)
|
1089 |
+
|
1090 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.prepare_inputs_for_generation
|
1091 |
+
def prepare_inputs_for_generation(
|
1092 |
+
self, input_ids, past_key_values=None, attention_mask=None, inputs_embeds=None, **kwargs
|
1093 |
+
):
|
1094 |
+
if past_key_values is not None:
|
1095 |
+
if isinstance(past_key_values, Cache):
|
1096 |
+
cache_length = past_key_values.get_seq_length()
|
1097 |
+
past_length = past_key_values.seen_tokens
|
1098 |
+
max_cache_length = past_key_values.get_max_length()
|
1099 |
+
else:
|
1100 |
+
cache_length = past_length = past_key_values[0][0].shape[2]
|
1101 |
+
max_cache_length = None
|
1102 |
+
|
1103 |
+
# Keep only the unprocessed tokens:
|
1104 |
+
# 1 - If the length of the attention_mask exceeds the length of input_ids, then we are in a setting where
|
1105 |
+
# some of the inputs are exclusively passed as part of the cache (e.g. when passing input_embeds as
|
1106 |
+
# input)
|
1107 |
+
if attention_mask is not None and attention_mask.shape[1] > input_ids.shape[1]:
|
1108 |
+
input_ids = input_ids[:, -(attention_mask.shape[1] - past_length) :]
|
1109 |
+
# 2 - If the past_length is smaller than input_ids', then input_ids holds all input tokens. We can discard
|
1110 |
+
# input_ids based on the past_length.
|
1111 |
+
elif past_length < input_ids.shape[1]:
|
1112 |
+
input_ids = input_ids[:, past_length:]
|
1113 |
+
# 3 - Otherwise (past_length >= input_ids.shape[1]), let's assume input_ids only has unprocessed tokens.
|
1114 |
+
|
1115 |
+
# If we are about to go beyond the maximum cache length, we need to crop the input attention mask.
|
1116 |
+
if (
|
1117 |
+
max_cache_length is not None
|
1118 |
+
and attention_mask is not None
|
1119 |
+
and cache_length + input_ids.shape[1] > max_cache_length
|
1120 |
+
):
|
1121 |
+
attention_mask = attention_mask[:, -max_cache_length:]
|
1122 |
+
|
1123 |
+
position_ids = kwargs.get("position_ids", None)
|
1124 |
+
if attention_mask is not None and position_ids is None:
|
1125 |
+
# create position_ids on the fly for batch generation
|
1126 |
+
position_ids = attention_mask.long().cumsum(-1) - 1
|
1127 |
+
position_ids.masked_fill_(attention_mask == 0, 1)
|
1128 |
+
if past_key_values:
|
1129 |
+
position_ids = position_ids[:, -input_ids.shape[1] :]
|
1130 |
+
|
1131 |
+
# if `inputs_embeds` are passed, we only want to use them in the 1st generation step
|
1132 |
+
if inputs_embeds is not None and past_key_values is None:
|
1133 |
+
model_inputs = {"inputs_embeds": inputs_embeds}
|
1134 |
+
else:
|
1135 |
+
model_inputs = {"input_ids": input_ids}
|
1136 |
+
|
1137 |
+
model_inputs.update(
|
1138 |
+
{
|
1139 |
+
"position_ids": position_ids,
|
1140 |
+
"past_key_values": past_key_values,
|
1141 |
+
"use_cache": kwargs.get("use_cache"),
|
1142 |
+
"attention_mask": attention_mask,
|
1143 |
+
}
|
1144 |
+
)
|
1145 |
+
return model_inputs
|
1146 |
+
|
1147 |
+
@staticmethod
|
1148 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM._reorder_cache
|
1149 |
+
def _reorder_cache(past_key_values, beam_idx):
|
1150 |
+
reordered_past = ()
|
1151 |
+
for layer_past in past_key_values:
|
1152 |
+
reordered_past += (
|
1153 |
+
tuple(past_state.index_select(0, beam_idx.to(past_state.device)) for past_state in layer_past),
|
1154 |
+
)
|
1155 |
+
return reordered_past
|
1156 |
+
|
1157 |
+
|
1158 |
+
@add_start_docstrings(
|
1159 |
+
"""
|
1160 |
+
The PhiModel with a sequence classification head on top (linear layer).
|
1161 |
+
|
1162 |
+
[`PhiForSequenceClassification`] uses the last token in order to do the classification, as other causal models
|
1163 |
+
(e.g. GPT-2) do.
|
1164 |
+
|
1165 |
+
Since it does classification on the last token, it requires to know the position of the last token. If a
|
1166 |
+
`pad_token_id` is defined in the configuration, it finds the last token that is not a padding token in each row. If
|
1167 |
+
no `pad_token_id` is defined, it simply takes the last value in each row of the batch. Since it cannot guess the
|
1168 |
+
padding tokens when `inputs_embeds` are passed instead of `input_ids`, it does the same (take the last value in
|
1169 |
+
each row of the batch).
|
1170 |
+
""",
|
1171 |
+
PHI_START_DOCSTRING,
|
1172 |
+
)
|
1173 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForSequenceClassification with LLAMA->PHI,Llama->Phi with self.transformer->self.model, transformer_outputs->model_outputs
|
1174 |
+
class PhiForSequenceClassification(PhiPreTrainedModel):
|
1175 |
+
def __init__(self, config):
|
1176 |
+
super().__init__(config)
|
1177 |
+
self.num_labels = config.num_labels
|
1178 |
+
self.model = PhiModel(config)
|
1179 |
+
self.score = nn.Linear(config.hidden_size, self.num_labels, bias=False)
|
1180 |
+
|
1181 |
+
# Initialize weights and apply final processing
|
1182 |
+
self.post_init()
|
1183 |
+
|
1184 |
+
def get_input_embeddings(self):
|
1185 |
+
return self.model.embed_tokens
|
1186 |
+
|
1187 |
+
def set_input_embeddings(self, value):
|
1188 |
+
self.model.embed_tokens = value
|
1189 |
+
|
1190 |
+
@add_start_docstrings_to_model_forward(PHI_INPUTS_DOCSTRING)
|
1191 |
+
def forward(
|
1192 |
+
self,
|
1193 |
+
input_ids: torch.LongTensor = None,
|
1194 |
+
attention_mask: Optional[torch.Tensor] = None,
|
1195 |
+
position_ids: Optional[torch.LongTensor] = None,
|
1196 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
1197 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
1198 |
+
labels: Optional[torch.LongTensor] = None,
|
1199 |
+
use_cache: Optional[bool] = None,
|
1200 |
+
output_attentions: Optional[bool] = None,
|
1201 |
+
output_hidden_states: Optional[bool] = None,
|
1202 |
+
return_dict: Optional[bool] = None,
|
1203 |
+
) -> Union[Tuple, SequenceClassifierOutputWithPast]:
|
1204 |
+
r"""
|
1205 |
+
labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
|
1206 |
+
Labels for computing the sequence classification/regression loss. Indices should be in `[0, ...,
|
1207 |
+
config.num_labels - 1]`. If `config.num_labels == 1` a regression loss is computed (Mean-Square loss), If
|
1208 |
+
`config.num_labels > 1` a classification loss is computed (Cross-Entropy).
|
1209 |
+
"""
|
1210 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
1211 |
+
|
1212 |
+
model_outputs = self.model(
|
1213 |
+
input_ids,
|
1214 |
+
attention_mask=attention_mask,
|
1215 |
+
position_ids=position_ids,
|
1216 |
+
past_key_values=past_key_values,
|
1217 |
+
inputs_embeds=inputs_embeds,
|
1218 |
+
use_cache=use_cache,
|
1219 |
+
output_attentions=output_attentions,
|
1220 |
+
output_hidden_states=output_hidden_states,
|
1221 |
+
return_dict=return_dict,
|
1222 |
+
)
|
1223 |
+
hidden_states = model_outputs[0]
|
1224 |
+
logits = self.score(hidden_states)
|
1225 |
+
|
1226 |
+
if input_ids is not None:
|
1227 |
+
batch_size = input_ids.shape[0]
|
1228 |
+
else:
|
1229 |
+
batch_size = inputs_embeds.shape[0]
|
1230 |
+
|
1231 |
+
if self.config.pad_token_id is None and batch_size != 1:
|
1232 |
+
raise ValueError("Cannot handle batch sizes > 1 if no padding token is defined.")
|
1233 |
+
if self.config.pad_token_id is None:
|
1234 |
+
sequence_lengths = -1
|
1235 |
+
else:
|
1236 |
+
if input_ids is not None:
|
1237 |
+
# if no pad token found, use modulo instead of reverse indexing for ONNX compatibility
|
1238 |
+
sequence_lengths = torch.eq(input_ids, self.config.pad_token_id).int().argmax(-1) - 1
|
1239 |
+
sequence_lengths = sequence_lengths % input_ids.shape[-1]
|
1240 |
+
sequence_lengths = sequence_lengths.to(logits.device)
|
1241 |
+
else:
|
1242 |
+
sequence_lengths = -1
|
1243 |
+
|
1244 |
+
pooled_logits = logits[torch.arange(batch_size, device=logits.device), sequence_lengths]
|
1245 |
+
|
1246 |
+
loss = None
|
1247 |
+
if labels is not None:
|
1248 |
+
labels = labels.to(logits.device)
|
1249 |
+
if self.config.problem_type is None:
|
1250 |
+
if self.num_labels == 1:
|
1251 |
+
self.config.problem_type = "regression"
|
1252 |
+
elif self.num_labels > 1 and (labels.dtype == torch.long or labels.dtype == torch.int):
|
1253 |
+
self.config.problem_type = "single_label_classification"
|
1254 |
+
else:
|
1255 |
+
self.config.problem_type = "multi_label_classification"
|
1256 |
+
|
1257 |
+
if self.config.problem_type == "regression":
|
1258 |
+
loss_fct = MSELoss()
|
1259 |
+
if self.num_labels == 1:
|
1260 |
+
loss = loss_fct(pooled_logits.squeeze(), labels.squeeze())
|
1261 |
+
else:
|
1262 |
+
loss = loss_fct(pooled_logits, labels)
|
1263 |
+
elif self.config.problem_type == "single_label_classification":
|
1264 |
+
loss_fct = CrossEntropyLoss()
|
1265 |
+
loss = loss_fct(pooled_logits.view(-1, self.num_labels), labels.view(-1))
|
1266 |
+
elif self.config.problem_type == "multi_label_classification":
|
1267 |
+
loss_fct = BCEWithLogitsLoss()
|
1268 |
+
loss = loss_fct(pooled_logits, labels)
|
1269 |
+
if not return_dict:
|
1270 |
+
output = (pooled_logits,) + model_outputs[1:]
|
1271 |
+
return ((loss,) + output) if loss is not None else output
|
1272 |
+
|
1273 |
+
return SequenceClassifierOutputWithPast(
|
1274 |
+
loss=loss,
|
1275 |
+
logits=pooled_logits,
|
1276 |
+
past_key_values=model_outputs.past_key_values,
|
1277 |
+
hidden_states=model_outputs.hidden_states,
|
1278 |
+
attentions=model_outputs.attentions,
|
1279 |
+
)
|
1280 |
+
|
1281 |
+
|
1282 |
+
@add_start_docstrings(
|
1283 |
+
"""
|
1284 |
+
PhiModel with a token classification head on top (a linear layer on top of the hidden-states output) e.g. for
|
1285 |
+
Named-Entity-Recognition (NER) tasks.
|
1286 |
+
""",
|
1287 |
+
PHI_START_DOCSTRING,
|
1288 |
+
)
|
1289 |
+
# Copied from transformers.models.mpt.modeling_mpt.MptForTokenClassification with MPT->PHI,Mpt->Phi,self.transformer->self.model,transformer_outputs->model_outputs
|
1290 |
+
class PhiForTokenClassification(PhiPreTrainedModel):
|
1291 |
+
def __init__(self, config: PhiConfig):
|
1292 |
+
super().__init__(config)
|
1293 |
+
self.num_labels = config.num_labels
|
1294 |
+
|
1295 |
+
self.model = PhiModel(config)
|
1296 |
+
if hasattr(config, "classifier_dropout") and config.classifier_dropout is not None:
|
1297 |
+
classifier_dropout = config.classifier_dropout
|
1298 |
+
elif hasattr(config, "hidden_dropout") and config.hidden_dropout is not None:
|
1299 |
+
classifier_dropout = config.hidden_dropout
|
1300 |
+
else:
|
1301 |
+
classifier_dropout = 0.1
|
1302 |
+
self.dropout = nn.Dropout(classifier_dropout)
|
1303 |
+
self.classifier = nn.Linear(config.hidden_size, config.num_labels)
|
1304 |
+
|
1305 |
+
# Initialize weights and apply final processing
|
1306 |
+
self.post_init()
|
1307 |
+
|
1308 |
+
@add_start_docstrings_to_model_forward(PHI_INPUTS_DOCSTRING)
|
1309 |
+
@add_code_sample_docstrings(
|
1310 |
+
checkpoint=_CHECKPOINT_FOR_DOC,
|
1311 |
+
output_type=TokenClassifierOutput,
|
1312 |
+
config_class=_CONFIG_FOR_DOC,
|
1313 |
+
)
|
1314 |
+
def forward(
|
1315 |
+
self,
|
1316 |
+
input_ids: Optional[torch.LongTensor] = None,
|
1317 |
+
past_key_values: Optional[Tuple[Tuple[torch.Tensor, torch.Tensor], ...]] = None,
|
1318 |
+
attention_mask: Optional[torch.Tensor] = None,
|
1319 |
+
inputs_embeds: Optional[torch.Tensor] = None,
|
1320 |
+
labels: Optional[torch.Tensor] = None,
|
1321 |
+
use_cache: Optional[bool] = None,
|
1322 |
+
output_attentions: Optional[bool] = None,
|
1323 |
+
output_hidden_states: Optional[bool] = None,
|
1324 |
+
return_dict: Optional[bool] = None,
|
1325 |
+
**deprecated_arguments,
|
1326 |
+
) -> Union[Tuple[torch.Tensor], TokenClassifierOutput]:
|
1327 |
+
r"""
|
1328 |
+
labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
|
1329 |
+
Labels for computing the sequence classification/regression loss. Indices should be in `[0, ...,
|
1330 |
+
config.num_labels - 1]`. If `config.num_labels == 1` a regression loss is computed (Mean-Square loss), If
|
1331 |
+
`config.num_labels > 1` a classification loss is computed (Cross-Entropy).
|
1332 |
+
"""
|
1333 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
1334 |
+
|
1335 |
+
model_outputs = self.model(
|
1336 |
+
input_ids,
|
1337 |
+
past_key_values=past_key_values,
|
1338 |
+
attention_mask=attention_mask,
|
1339 |
+
inputs_embeds=inputs_embeds,
|
1340 |
+
use_cache=use_cache,
|
1341 |
+
output_attentions=output_attentions,
|
1342 |
+
output_hidden_states=output_hidden_states,
|
1343 |
+
return_dict=return_dict,
|
1344 |
+
)
|
1345 |
+
|
1346 |
+
hidden_states = model_outputs[0]
|
1347 |
+
hidden_states = self.dropout(hidden_states)
|
1348 |
+
logits = self.classifier(hidden_states)
|
1349 |
+
|
1350 |
+
loss = None
|
1351 |
+
if labels is not None:
|
1352 |
+
# move labels to correct device to enable model parallelism
|
1353 |
+
labels = labels.to(logits.device)
|
1354 |
+
batch_size, seq_length = labels.shape
|
1355 |
+
loss_fct = CrossEntropyLoss()
|
1356 |
+
loss = loss_fct(
|
1357 |
+
logits.view(batch_size * seq_length, self.num_labels), labels.view(batch_size * seq_length)
|
1358 |
+
)
|
1359 |
+
|
1360 |
+
if not return_dict:
|
1361 |
+
output = (logits,) + model_outputs[2:]
|
1362 |
+
return ((loss,) + output) if loss is not None else output
|
1363 |
+
|
1364 |
+
return TokenClassifierOutput(
|
1365 |
+
loss=loss,
|
1366 |
+
logits=logits,
|
1367 |
+
hidden_states=model_outputs.hidden_states,
|
1368 |
+
attentions=model_outputs.attentions,
|
1369 |
+
)
|
pytorch_model-00001-of-00003.bin
ADDED
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
1 |
+
version https://git-lfs.github.com/spec/v1
|
2 |
+
oid sha256:6ef0e36a76a8706dcb9e61072c985e062d184ce86dbf2b3af225d745e75fbfef
|
3 |
+
size 1992965639
|
pytorch_model-00002-of-00003.bin
ADDED
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
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+
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"rstrip": false,
|
21 |
+
"single_word": false
|
22 |
+
}
|
23 |
+
}
|
tokenizer.json
ADDED
The diff for this file is too large to render.
See raw diff
|
|
tokenizer_config.json
ADDED
@@ -0,0 +1,324 @@
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|
|
1 |
+
{
|
2 |
+
"add_prefix_space": false,
|
3 |
+
"added_tokens_decoder": {
|
4 |
+
"50256": {
|
5 |
+
"content": "<|endoftext|>",
|
6 |
+
"lstrip": false,
|
7 |
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|
8 |
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|
9 |
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"single_word": false,
|
10 |
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"special": true
|
11 |
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},
|
12 |
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"50257": {
|
13 |
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"content": " ",
|
14 |
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"lstrip": false,
|
15 |
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|
16 |
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|
17 |
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|
18 |
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|
19 |
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},
|
20 |
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|
21 |
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|
22 |
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|
23 |
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|
24 |
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|
25 |
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|
26 |
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|
27 |
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},
|
28 |
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"50259": {
|
29 |
+
"content": " ",
|
30 |
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"lstrip": false,
|
31 |
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|
32 |
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|
33 |
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|
34 |
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|
35 |
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|
36 |
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"50260": {
|
37 |
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|
38 |
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|
39 |
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|
40 |
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|
41 |
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|
42 |
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|
43 |
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|
44 |
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|
45 |
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|
46 |
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|
47 |
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|
48 |
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|
49 |
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|
50 |
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|
51 |
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|
52 |
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|
53 |
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|
54 |
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|
55 |
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|
56 |
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|
57 |
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|
58 |
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|
59 |
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|
60 |
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"50263": {
|
61 |
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|
62 |
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|
63 |
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|
64 |
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|
65 |
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|
66 |
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|
67 |
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|
68 |
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|
69 |
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|
70 |
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|
71 |
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|
72 |
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|
73 |
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|
74 |
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|
75 |
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|
76 |
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|
77 |
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|
78 |
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|
79 |
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|
80 |
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|
81 |
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|
82 |
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|
83 |
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|
84 |
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|
85 |
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|
86 |
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|
87 |
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|
88 |
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|
89 |
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|
90 |
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|
91 |
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|
92 |
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|
93 |
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|
94 |
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|
95 |
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|
96 |
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|
97 |
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|
98 |
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|
99 |
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|
100 |
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"50268": {
|
101 |
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|
102 |
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|
103 |
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|
104 |
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|
105 |
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|
106 |
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|
107 |
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|
108 |
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|
109 |
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|
110 |
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|
111 |
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|
112 |
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|
113 |
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|
114 |
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|
115 |
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|
116 |
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|
117 |
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|
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|
119 |
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|
120 |
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|
121 |
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|
122 |
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|
123 |
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|
124 |
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|
125 |
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126 |
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|
127 |
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|
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|
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|
131 |
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133 |
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|
141 |
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143 |
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144 |
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|
145 |
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|
146 |
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|
147 |
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|
148 |
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|
149 |
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150 |
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151 |
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|
152 |
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|
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|
155 |
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|
156 |
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|
157 |
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|
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|
163 |
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164 |
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|
165 |
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|
167 |
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168 |
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173 |
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187 |
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188 |
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|
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191 |
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|
197 |
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198 |
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|
199 |
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201 |
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203 |
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204 |
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|
205 |
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206 |
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208 |
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209 |
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210 |
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|
211 |
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|
212 |
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|
213 |
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214 |
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215 |
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|
216 |
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|
218 |
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|
219 |
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220 |
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|
221 |
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|
222 |
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|
223 |
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225 |
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|
226 |
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|
227 |
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228 |
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|
229 |
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230 |
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231 |
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232 |
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233 |
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|
234 |
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|
235 |
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|
236 |
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|
237 |
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238 |
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239 |
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|
240 |
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|
241 |
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|
242 |
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|
243 |
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|
244 |
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|
245 |
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|
246 |
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|
247 |
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|
248 |
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|
249 |
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|
250 |
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|
251 |
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|
252 |
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|
253 |
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|
254 |
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|
255 |
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|
256 |
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|
257 |
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|
258 |
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|
259 |
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|
260 |
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|
261 |
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|
262 |
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|
263 |
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|
264 |
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|
265 |
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|
266 |
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|
267 |
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|
268 |
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|
269 |
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|
270 |
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|
271 |
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|
272 |
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|
273 |
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|
274 |
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|
275 |
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|
276 |
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|
277 |
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|
278 |
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|
279 |
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|
280 |
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|
281 |
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|
282 |
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|
283 |
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|
284 |
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|
285 |
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|
286 |
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|
287 |
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|
288 |
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|
289 |
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|
290 |
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|
291 |
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|
292 |
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|
293 |
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|
294 |
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|
295 |
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|
296 |
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|
297 |
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|
298 |
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|
299 |
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|
300 |
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|
301 |
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|
302 |
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|
303 |
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|
304 |
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|
305 |
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|
306 |
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|
307 |
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|
308 |
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|
309 |
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|
310 |
+
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|
311 |
+
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|
312 |
+
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|
313 |
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|
314 |
+
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|
315 |
+
}
|
316 |
+
},
|
317 |
+
"bos_token": "<|endoftext|>",
|
318 |
+
"clean_up_tokenization_spaces": true,
|
319 |
+
"eos_token": "<|endoftext|>",
|
320 |
+
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|
321 |
+
"padding_side": "right",
|
322 |
+
"tokenizer_class": "CodeGenTokenizer",
|
323 |
+
"unk_token": "<|endoftext|>"
|
324 |
+
}
|
vocab.json
ADDED
The diff for this file is too large to render.
See raw diff
|
|
xtuner_config.py
ADDED
@@ -0,0 +1,194 @@
|
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|
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|
|
|
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|
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|
1 |
+
SYSTEM = 'xtuner.utils.SYSTEM_TEMPLATE.alpaca'
|
2 |
+
accumulative_counts = 16
|
3 |
+
alpaca_en = dict(
|
4 |
+
dataset=dict(
|
5 |
+
data_files=
|
6 |
+
'/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/datasets--recogna-nlp--ultra-alpaca-ptbr/snapshots/e69900d074177d370a911096fc30bdf407eff666/train.json',
|
7 |
+
path='json',
|
8 |
+
type='datasets.load_dataset'),
|
9 |
+
dataset_map_fn='xtuner.dataset.map_fns.ultracabrita_map_fn',
|
10 |
+
max_length=2048,
|
11 |
+
pack_to_max_length=True,
|
12 |
+
remove_unused_columns=True,
|
13 |
+
shuffle_before_pack=True,
|
14 |
+
template_map_fn=dict(
|
15 |
+
template='xtuner.utils.PROMPT_TEMPLATE.gemma',
|
16 |
+
type='xtuner.dataset.map_fns.template_map_fn_factory'),
|
17 |
+
tokenizer=dict(
|
18 |
+
padding_side='right',
|
19 |
+
pretrained_model_name_or_path=
|
20 |
+
'/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/models--microsoft--phi-2/snapshots/b10c3eba545ad279e7208ee3a5d644566f001670',
|
21 |
+
trust_remote_code=True,
|
22 |
+
type='transformers.AutoTokenizer.from_pretrained'),
|
23 |
+
type='xtuner.dataset.process_hf_dataset',
|
24 |
+
use_varlen_attn=False)
|
25 |
+
alpaca_en_path = '/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/datasets--recogna-nlp--ultra-alpaca-ptbr/snapshots/e69900d074177d370a911096fc30bdf407eff666/train.json'
|
26 |
+
batch_size = 1
|
27 |
+
betas = (
|
28 |
+
0.9,
|
29 |
+
0.999,
|
30 |
+
)
|
31 |
+
custom_hooks = [
|
32 |
+
dict(
|
33 |
+
tokenizer=dict(
|
34 |
+
padding_side='right',
|
35 |
+
pretrained_model_name_or_path=
|
36 |
+
'/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/models--microsoft--phi-2/snapshots/b10c3eba545ad279e7208ee3a5d644566f001670',
|
37 |
+
trust_remote_code=True,
|
38 |
+
type='transformers.AutoTokenizer.from_pretrained'),
|
39 |
+
type='xtuner.engine.hooks.DatasetInfoHook'),
|
40 |
+
dict(
|
41 |
+
evaluation_inputs=[
|
42 |
+
'O que é um bode?',
|
43 |
+
'Qual a capital da França?',
|
44 |
+
'Você pode me explicar o Teorema de Pitágoras com um exemplo, por favor?',
|
45 |
+
'Olá, tudo bem? Estou procurando livros de ficção científica para ler, você teria sugestões para mim?',
|
46 |
+
'Resolva a equação de segundo grau x² - x - 30 = 0',
|
47 |
+
'Escreva um código em python para calcular x^y usando divisão e conquista.',
|
48 |
+
],
|
49 |
+
every_n_iters=500,
|
50 |
+
prompt_template='xtuner.utils.PROMPT_TEMPLATE.gemma',
|
51 |
+
system='xtuner.utils.SYSTEM_TEMPLATE.alpaca',
|
52 |
+
tokenizer=dict(
|
53 |
+
padding_side='right',
|
54 |
+
pretrained_model_name_or_path=
|
55 |
+
'/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/models--microsoft--phi-2/snapshots/b10c3eba545ad279e7208ee3a5d644566f001670',
|
56 |
+
trust_remote_code=True,
|
57 |
+
type='transformers.AutoTokenizer.from_pretrained'),
|
58 |
+
type='xtuner.engine.hooks.EvaluateChatHook'),
|
59 |
+
]
|
60 |
+
dataloader_num_workers = 0
|
61 |
+
default_hooks = dict(
|
62 |
+
checkpoint=dict(
|
63 |
+
by_epoch=False,
|
64 |
+
interval=500,
|
65 |
+
max_keep_ckpts=2,
|
66 |
+
type='mmengine.hooks.CheckpointHook'),
|
67 |
+
logger=dict(
|
68 |
+
interval=10,
|
69 |
+
log_metric_by_epoch=False,
|
70 |
+
type='mmengine.hooks.LoggerHook'),
|
71 |
+
param_scheduler=dict(type='mmengine.hooks.ParamSchedulerHook'),
|
72 |
+
sampler_seed=dict(type='mmengine.hooks.DistSamplerSeedHook'),
|
73 |
+
timer=dict(type='mmengine.hooks.IterTimerHook'))
|
74 |
+
env_cfg = dict(
|
75 |
+
cudnn_benchmark=False,
|
76 |
+
dist_cfg=dict(backend='nccl'),
|
77 |
+
mp_cfg=dict(mp_start_method='fork', opencv_num_threads=0))
|
78 |
+
evaluation_freq = 500
|
79 |
+
evaluation_inputs = [
|
80 |
+
'O que é um bode?',
|
81 |
+
'Qual a capital da França?',
|
82 |
+
'Você pode me explicar o Teorema de Pitágoras com um exemplo, por favor?',
|
83 |
+
'Olá, tudo bem? Estou procurando livros de ficção científica para ler, você teria sugestões para mim?',
|
84 |
+
'Resolva a equação de segundo grau x² - x - 30 = 0',
|
85 |
+
'Escreva um código em python para calcular x^y usando divisão e conquista.',
|
86 |
+
]
|
87 |
+
launcher = 'pytorch'
|
88 |
+
load_from = None
|
89 |
+
log_level = 'INFO'
|
90 |
+
log_processor = dict(by_epoch=False)
|
91 |
+
lr = 2e-05
|
92 |
+
max_epochs = 1
|
93 |
+
max_length = 2048
|
94 |
+
max_norm = 1
|
95 |
+
model = dict(
|
96 |
+
llm=dict(
|
97 |
+
pretrained_model_name_or_path=
|
98 |
+
'/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/models--microsoft--phi-2/snapshots/b10c3eba545ad279e7208ee3a5d644566f001670',
|
99 |
+
trust_remote_code=True,
|
100 |
+
type='transformers.AutoModelForCausalLM.from_pretrained'),
|
101 |
+
type='xtuner.model.SupervisedFinetune',
|
102 |
+
use_varlen_attn=False)
|
103 |
+
optim_type = 'torch.optim.AdamW'
|
104 |
+
optim_wrapper = dict(
|
105 |
+
optimizer=dict(
|
106 |
+
betas=(
|
107 |
+
0.9,
|
108 |
+
0.999,
|
109 |
+
),
|
110 |
+
lr=2e-05,
|
111 |
+
type='torch.optim.AdamW',
|
112 |
+
weight_decay=0),
|
113 |
+
type='DeepSpeedOptimWrapper')
|
114 |
+
pack_to_max_length = True
|
115 |
+
param_scheduler = [
|
116 |
+
dict(
|
117 |
+
begin=0,
|
118 |
+
by_epoch=True,
|
119 |
+
convert_to_iter_based=True,
|
120 |
+
end=0.03,
|
121 |
+
start_factor=1e-05,
|
122 |
+
type='mmengine.optim.LinearLR'),
|
123 |
+
dict(
|
124 |
+
begin=0.03,
|
125 |
+
by_epoch=True,
|
126 |
+
convert_to_iter_based=True,
|
127 |
+
end=1,
|
128 |
+
eta_min=0.0,
|
129 |
+
type='mmengine.optim.CosineAnnealingLR'),
|
130 |
+
]
|
131 |
+
pretrained_model_name_or_path = '/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/models--microsoft--phi-2/snapshots/b10c3eba545ad279e7208ee3a5d644566f001670'
|
132 |
+
prompt_template = 'xtuner.utils.PROMPT_TEMPLATE.gemma'
|
133 |
+
randomness = dict(deterministic=False, seed=None)
|
134 |
+
resume = False
|
135 |
+
runner_type = 'FlexibleRunner'
|
136 |
+
save_steps = 500
|
137 |
+
save_total_limit = 2
|
138 |
+
strategy = dict(
|
139 |
+
config=dict(
|
140 |
+
bf16=dict(enabled=False),
|
141 |
+
fp16=dict(enabled=True, initial_scale_power=16),
|
142 |
+
gradient_accumulation_steps='auto',
|
143 |
+
gradient_clipping='auto',
|
144 |
+
train_micro_batch_size_per_gpu='auto',
|
145 |
+
zero_allow_untested_optimizer=True,
|
146 |
+
zero_force_ds_cpu_optimizer=False,
|
147 |
+
zero_optimization=dict(overlap_comm=True, stage=2)),
|
148 |
+
exclude_frozen_parameters=True,
|
149 |
+
gradient_accumulation_steps=16,
|
150 |
+
gradient_clipping=1,
|
151 |
+
sequence_parallel_size=1,
|
152 |
+
train_micro_batch_size_per_gpu=1,
|
153 |
+
type='xtuner.engine.DeepSpeedStrategy')
|
154 |
+
tokenizer = dict(
|
155 |
+
padding_side='right',
|
156 |
+
pretrained_model_name_or_path=
|
157 |
+
'/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/models--microsoft--phi-2/snapshots/b10c3eba545ad279e7208ee3a5d644566f001670',
|
158 |
+
trust_remote_code=True,
|
159 |
+
type='transformers.AutoTokenizer.from_pretrained')
|
160 |
+
train_cfg = dict(max_epochs=1, type='xtuner.engine.runner.TrainLoop')
|
161 |
+
train_dataloader = dict(
|
162 |
+
batch_size=1,
|
163 |
+
collate_fn=dict(
|
164 |
+
type='xtuner.dataset.collate_fns.default_collate_fn',
|
165 |
+
use_varlen_attn=False),
|
166 |
+
dataset=dict(
|
167 |
+
dataset=dict(
|
168 |
+
data_files=
|
169 |
+
'/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/datasets--recogna-nlp--ultra-alpaca-ptbr/snapshots/e69900d074177d370a911096fc30bdf407eff666/train.json',
|
170 |
+
path='json',
|
171 |
+
type='datasets.load_dataset'),
|
172 |
+
dataset_map_fn='xtuner.dataset.map_fns.ultracabrita_map_fn',
|
173 |
+
max_length=2048,
|
174 |
+
pack_to_max_length=True,
|
175 |
+
remove_unused_columns=True,
|
176 |
+
shuffle_before_pack=True,
|
177 |
+
template_map_fn=dict(
|
178 |
+
template='xtuner.utils.PROMPT_TEMPLATE.gemma',
|
179 |
+
type='xtuner.dataset.map_fns.template_map_fn_factory'),
|
180 |
+
tokenizer=dict(
|
181 |
+
padding_side='right',
|
182 |
+
pretrained_model_name_or_path=
|
183 |
+
'/petrobr/parceirosbr/home/luis.afonso/.cache/huggingface/hub/models--microsoft--phi-2/snapshots/b10c3eba545ad279e7208ee3a5d644566f001670',
|
184 |
+
trust_remote_code=True,
|
185 |
+
type='transformers.AutoTokenizer.from_pretrained'),
|
186 |
+
type='xtuner.dataset.process_hf_dataset',
|
187 |
+
use_varlen_attn=False),
|
188 |
+
num_workers=0,
|
189 |
+
sampler=dict(shuffle=True, type='mmengine.dataset.DefaultSampler'))
|
190 |
+
use_varlen_attn = False
|
191 |
+
visualizer = None
|
192 |
+
warmup_ratio = 0.03
|
193 |
+
weight_decay = 0
|
194 |
+
work_dir = './work_dirs/phi_2_full_ultracabrita'
|