josStorer commited on
Commit
a686568
1 Parent(s): 47ac50d
.gitignore ADDED
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+ .idea
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+ .vscode
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+ .vs
Dockerfile ADDED
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+ FROM python:3.10
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+
3
+ WORKDIR /code
4
+
5
+ COPY ./requirements.txt /code/requirements.txt
6
+
7
+ RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
8
+
9
+ RUN useradd -m -u 1000 user
10
+ USER user
11
+ ENV HOME=/home/user \
12
+ PATH=/home/user/.local/bin:$PATH
13
+
14
+ WORKDIR $HOME/app
15
+
16
+ COPY --chown=user . $HOME/app
17
+
18
+ ENV TRANSFORMERS_CACHE=./.cache/
19
+
20
+ EXPOSE 8000
21
+
22
+ CMD ["python", "main.py"]
LICENSE ADDED
@@ -0,0 +1,201 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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MODEL_LICENSE ADDED
@@ -0,0 +1,33 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ The ChatGLM-6B License
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+
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+ 1. Definitions
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+ “Licensor” means the ChatGLM-6B Model Team that distributes its Software.
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+ “Software” means the ChatGLM-6B model parameters made available under this license.
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+
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+ 2. License Grant
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+ Subject to the terms and conditions of this License, the Licensor hereby grants to you a non-exclusive, worldwide, non-transferable, non-sublicensable, revocable, royalty-free copyright license to use the Software solely for your non-commercial research purposes.
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+ The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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+ 3. Restriction
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+ You will not use, copy, modify, merge, publish, distribute, reproduce, or create derivative works of the Software, in whole or in part, for any commercial, military, or illegal purposes.
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+ You will not use the Software for any act that may undermine China's national security and national unity, harm the public interest of society, or infringe upon the rights and interests of human beings.
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+ 4. Disclaimer
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+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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+ 5. Limitation of Liability
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README.md CHANGED
@@ -4,6 +4,7 @@ emoji: 😻
4
  colorFrom: gray
5
  colorTo: red
6
  sdk: docker
 
7
  pinned: false
8
  license: apache-2.0
9
  ---
 
4
  colorFrom: gray
5
  colorTo: red
6
  sdk: docker
7
+ app_port: 8000
8
  pinned: false
9
  license: apache-2.0
10
  ---
main.py ADDED
@@ -0,0 +1,113 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import json
2
+ from typing import List
3
+
4
+ import torch
5
+ from fastapi import FastAPI, Request, status, HTTPException
6
+ from pydantic import BaseModel
7
+ from torch.cuda import get_device_properties
8
+ from transformers import AutoModel, AutoTokenizer
9
+ from sse_starlette.sse import EventSourceResponse
10
+ from fastapi.middleware.cors import CORSMiddleware
11
+ import uvicorn
12
+ from pyngrok import ngrok, conf
13
+
14
+ import os
15
+
16
+ os.environ['TRANSFORMERS_CACHE'] = ".cache"
17
+
18
+ bits = 4
19
+ kernel_path = "models/models--silver--chatglm-6b-int4-slim/quantization_kernels.so"
20
+ model_path = "./models/models--silver--chatglm-6b-int4-slim/snapshots/02e096b3805c579caf5741a6d8eddd5ba7a74e0d"
21
+ cache_dir = './models'
22
+ model_name = 'chatglm-6b-int4'
23
+ min_memory = 5.5
24
+ tokenizer = None
25
+ model = None
26
+
27
+ app = FastAPI()
28
+
29
+ app.add_middleware(
30
+ CORSMiddleware,
31
+ allow_origins=["*"],
32
+ allow_credentials=True,
33
+ allow_methods=["*"],
34
+ allow_headers=["*"],
35
+ )
36
+
37
+
38
+ @app.on_event('startup')
39
+ def init():
40
+ global tokenizer, model
41
+ tokenizer = AutoTokenizer.from_pretrained(model_path, trust_remote_code=True, cache_dir=cache_dir)
42
+ model = AutoModel.from_pretrained(model_path, trust_remote_code=True, cache_dir=cache_dir)
43
+
44
+ if torch.cuda.is_available() and get_device_properties(0).total_memory / 1024 ** 3 > min_memory:
45
+ model = model.half().quantize(bits=bits).cuda()
46
+ print("Using GPU")
47
+ else:
48
+ model = model.float().quantize(bits=bits)
49
+ if torch.cuda.is_available():
50
+ print("Total Memory: ", get_device_properties(0).total_memory / 1024 ** 3)
51
+ else:
52
+ print("No GPU available")
53
+ print("Using CPU")
54
+ model = model.eval()
55
+
56
+
57
+ class Message(BaseModel):
58
+ role: str
59
+ content: str
60
+
61
+
62
+ class Body(BaseModel):
63
+ messages: List[Message]
64
+ model: str
65
+ stream: bool
66
+ max_tokens: int
67
+
68
+
69
+ @app.get("/")
70
+ def read_root():
71
+ return {"Hello": "World!"}
72
+
73
+
74
+ @app.post("/chat/completions")
75
+ async def completions(body: Body, request: Request):
76
+ if not body.stream or body.model != model_name:
77
+ raise HTTPException(status.HTTP_400_BAD_REQUEST, "Not Implemented")
78
+
79
+ question = body.messages[-1]
80
+ if question.role == 'user':
81
+ question = question.content
82
+ else:
83
+ raise HTTPException(status.HTTP_400_BAD_REQUEST, "No Question Found")
84
+
85
+ user_question = ''
86
+ history = []
87
+ for message in body.messages:
88
+ if message.role == 'user':
89
+ user_question = message.content
90
+ elif message.role == 'system' or message.role == 'assistant':
91
+ assistant_answer = message.content
92
+ history.append((user_question, assistant_answer))
93
+
94
+ async def event_generator():
95
+ for response in model.stream_chat(tokenizer, question, history, max_length=max(2048, body.max_tokens)):
96
+ if await request.is_disconnected():
97
+ return
98
+ yield json.dumps({"response": response[0]})
99
+ yield "[DONE]"
100
+
101
+ return EventSourceResponse(event_generator())
102
+
103
+
104
+ def ngrok_connect():
105
+ conf.set_default(conf.PyngrokConfig(ngrok_path="./ngrok"))
106
+ ngrok.set_auth_token(os.environ["ngrok_token"])
107
+ http_tunnel = ngrok.connect(8000)
108
+ print(http_tunnel.public_url)
109
+
110
+
111
+ if __name__ == "__main__":
112
+ ngrok_connect()
113
+ uvicorn.run("main:app", reload=True, app_dir=".")
models/models--silver--chatglm-6b-int4-slim/quantization_kernels.so ADDED
Binary file (46.5 kB). View file
 
models/models--silver--chatglm-6b-int4-slim/quantization_kernels_parallel.so ADDED
Binary file (49.7 kB). View file
 
models/models--silver--chatglm-6b-int4-slim/snapshots/02e096b3805c579caf5741a6d8eddd5ba7a74e0d/config.json ADDED
@@ -0,0 +1,27 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {
2
+ "_name_or_path": "silver/chatglm-6b-int4-slim",
3
+ "architectures": [
4
+ "ChatGLMModel"
5
+ ],
6
+ "auto_map": {
7
+ "AutoConfig": "configuration_chatglm.ChatGLMConfig",
8
+ "AutoModel": "modeling_chatglm.ChatGLMForConditionalGeneration",
9
+ "AutoModelForSeq2SeqLM": "modeling_chatglm.ChatGLMForConditionalGeneration"
10
+ },
11
+ "bos_token_id": 130004,
12
+ "eos_token_id": 130005,
13
+ "hidden_size": 4096,
14
+ "inner_hidden_size": 16384,
15
+ "layernorm_epsilon": 1e-05,
16
+ "max_sequence_length": 2048,
17
+ "model_type": "chatglm",
18
+ "num_attention_heads": 32,
19
+ "num_layers": 28,
20
+ "position_encoding_2d": true,
21
+ "quantization_bit": 4,
22
+ "quantization_embeddings": false,
23
+ "torch_dtype": "float16",
24
+ "transformers_version": "4.23.1",
25
+ "use_cache": true,
26
+ "vocab_size": 130528
27
+ }
models/models--silver--chatglm-6b-int4-slim/snapshots/02e096b3805c579caf5741a6d8eddd5ba7a74e0d/configuration_chatglm.py ADDED
@@ -0,0 +1,96 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ """ ChatGLM model configuration """
2
+
3
+ from transformers.configuration_utils import PretrainedConfig
4
+ from transformers.utils import logging
5
+
6
+ logger = logging.get_logger(__name__)
7
+
8
+
9
+ class ChatGLMConfig(PretrainedConfig):
10
+ r"""
11
+ This is the configuration class to store the configuration of a [`~ChatGLMModel`].
12
+ It is used to instantiate an ChatGLM model according to the specified arguments, defining the model
13
+ architecture. Instantiating a configuration with the defaults will yield a similar configuration to that of
14
+ the ChatGLM-6B [THUDM/ChatGLM-6B](https://huggingface.co/THUDM/chatglm-6b) architecture.
15
+
16
+ Configuration objects inherit from [`PretrainedConfig`] and can be used
17
+ to control the model outputs. Read the documentation from [`PretrainedConfig`]
18
+ for more information.
19
+
20
+
21
+ Args:
22
+ vocab_size (`int`, *optional*, defaults to 130528):
23
+ Vocabulary size of the ChatGLM-6B model. Defines the number of different tokens that can be represented by the
24
+ `inputs_ids` passed when calling [`~ChatGLMModel`] or
25
+ [`~TFChatGLMModel`].
26
+ hidden_size (`int`, *optional*, defaults to 4096):
27
+ Dimension of the encoder layers and the pooler layer.
28
+ num_hidden_layers (`int`, *optional*, defaults to 28):
29
+ Number of hidden layers in the Transformer encoder.
30
+ num_attention_heads (`int`, *optional*, defaults to 32):
31
+ Number of attention heads for each attention layer in the Transformer encoder.
32
+ inner_hidden_size (`int`, *optional*, defaults to 16384):
33
+ Dimension of the "intermediate" (i.e., feed-forward) layer in the Transformer encoder.
34
+ max_sequence_length (`int`, *optional*, defaults to 512):
35
+ The maximum sequence length that this model might ever be used with.
36
+ Typically set this to something large just in case (e.g., 512 or 1024 or 2048).
37
+ layernorm_epsilon (`float`, *optional*, defaults to 1e-5):
38
+ The epsilon used by the layer normalization layers.
39
+ use_cache (`bool`, *optional*, defaults to `True`):
40
+ Whether the model should return the last key/values attentions (not used by all models).
41
+ Example:
42
+
43
+ ```python
44
+ >>> from configuration_chatglm import ChatGLMConfig
45
+ >>> from modeling_chatglm import ChatGLMModel
46
+
47
+ >>> # Initializing a ChatGLM-6B THUDM/ChatGLM-6B style configuration
48
+ >>> configuration = ChatGLMConfig()
49
+
50
+ >>> # Initializing a model from the THUDM/ChatGLM-6B style configuration
51
+ >>> model = ChatGLMModel(configuration)
52
+
53
+ >>> # Accessing the model configuration
54
+ >>> configuration = model.config
55
+ ```
56
+ """
57
+ model_type = "chatglm"
58
+
59
+ def __init__(
60
+ self,
61
+ vocab_size=130528,
62
+ hidden_size=4096,
63
+ num_layers=28,
64
+ num_attention_heads=32,
65
+ layernorm_epsilon=1e-5,
66
+ use_cache=False,
67
+ bos_token_id=130004,
68
+ eos_token_id=130005,
69
+ pad_token_id=0,
70
+ max_sequence_length=2048,
71
+ inner_hidden_size=16384,
72
+ position_encoding_2d=True,
73
+ quantization_bit=0,
74
+ quantization_embeddings=False,
75
+ **kwargs
76
+ ):
77
+ self.num_layers = num_layers
78
+ self.vocab_size = vocab_size
79
+ self.hidden_size = hidden_size
80
+ self.num_attention_heads = num_attention_heads
81
+ self.max_sequence_length = max_sequence_length
82
+ self.layernorm_epsilon = layernorm_epsilon
83
+ self.inner_hidden_size = inner_hidden_size
84
+ self.use_cache = use_cache
85
+ self.bos_token_id = bos_token_id
86
+ self.eos_token_id = eos_token_id
87
+ self.pad_token_id = pad_token_id
88
+ self.position_encoding_2d = position_encoding_2d
89
+ self.quantization_bit=quantization_bit
90
+ self.quantization_embeddings=quantization_embeddings
91
+ super().__init__(
92
+ pad_token_id=pad_token_id,
93
+ bos_token_id=bos_token_id,
94
+ eos_token_id=eos_token_id,
95
+ **kwargs
96
+ )
models/models--silver--chatglm-6b-int4-slim/snapshots/02e096b3805c579caf5741a6d8eddd5ba7a74e0d/ice_text.model ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:99871e0c85db81ad7af1028854fd091cd5778c8414ae9d94bbbc10d02c831c21
3
+ size 2699926
models/models--silver--chatglm-6b-int4-slim/snapshots/02e096b3805c579caf5741a6d8eddd5ba7a74e0d/modeling_chatglm.py ADDED
@@ -0,0 +1,1302 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ """ PyTorch ChatGLM model. """
2
+
3
+ import math
4
+ import copy
5
+ import os
6
+ import warnings
7
+
8
+ import torch
9
+ import torch.utils.checkpoint
10
+ import torch.nn.functional as F
11
+ from torch import nn
12
+ from torch.nn import CrossEntropyLoss, LayerNorm
13
+ from torch.nn.utils import skip_init
14
+ from typing import Optional, Tuple, Union, List, Callable
15
+
16
+ from transformers.utils import (
17
+ add_code_sample_docstrings,
18
+ add_start_docstrings,
19
+ add_start_docstrings_to_model_forward,
20
+ )
21
+ from transformers.modeling_outputs import (
22
+ BaseModelOutputWithPast,
23
+ CausalLMOutputWithPast,
24
+ BaseModelOutputWithPastAndCrossAttentions,
25
+ )
26
+ from transformers.modeling_utils import PreTrainedModel
27
+ from transformers.utils import logging
28
+ from transformers.generation.logits_process import LogitsProcessor
29
+ from transformers.generation.utils import LogitsProcessorList, StoppingCriteriaList, GenerationConfig
30
+
31
+ from .configuration_chatglm import ChatGLMConfig
32
+
33
+
34
+ # flags required to enable jit fusion kernels
35
+ torch._C._jit_set_profiling_mode(False)
36
+ torch._C._jit_set_profiling_executor(False)
37
+ torch._C._jit_override_can_fuse_on_cpu(True)
38
+ torch._C._jit_override_can_fuse_on_gpu(True)
39
+
40
+ logger = logging.get_logger(__name__)
41
+
42
+ _CHECKPOINT_FOR_DOC = "THUDM/ChatGLM-6B"
43
+ _CONFIG_FOR_DOC = "ChatGLM6BConfig"
44
+
45
+ CHATGLM_6B_PRETRAINED_MODEL_ARCHIVE_LIST = [
46
+ "silver/chatglm-6b-int4-slim",
47
+ # See all ChatGLM-6B models at https://huggingface.co/models?filter=chatglm
48
+ ]
49
+
50
+
51
+ class InvalidScoreLogitsProcessor(LogitsProcessor):
52
+ def __call__(self, input_ids: torch.LongTensor, scores: torch.FloatTensor) -> torch.FloatTensor:
53
+ if torch.isnan(scores).any() or torch.isinf(scores).any():
54
+ scores.zero_()
55
+ scores[..., 5] = 5e4
56
+ return scores
57
+
58
+
59
+ def load_tf_weights_in_chatglm_6b(model, config, tf_checkpoint_path):
60
+ """Load tf checkpoints in a pytorch model."""
61
+ try:
62
+ import re
63
+
64
+ import numpy as np
65
+ import tensorflow as tf
66
+ except ImportError:
67
+ logger.error(
68
+ "Loading a TensorFlow model in PyTorch, requires TensorFlow to be installed. Please see "
69
+ "https://www.tensorflow.org/install/ for installation instructions."
70
+ )
71
+ raise
72
+ tf_path = os.path.abspath(tf_checkpoint_path)
73
+ logger.info(f"Converting TensorFlow checkpoint from {tf_path}")
74
+ # Load weights from TF model
75
+ init_vars = tf.train.list_variables(tf_path)
76
+ names = []
77
+ arrays = []
78
+ for name, shape in init_vars:
79
+ logger.info(f"Loading TF weight {name} with shape {shape}")
80
+ array = tf.train.load_variable(tf_path, name)
81
+ names.append(name)
82
+ arrays.append(array)
83
+
84
+ for name, array in zip(names, arrays):
85
+ name = name.split("/")
86
+ # adam_v and adam_m are variables used in AdamWeightDecayOptimizer to calculated m and v
87
+ # which are not required for using pretrained model
88
+ if any(
89
+ n in ["adam_v", "adam_m", "AdamWeightDecayOptimizer", "AdamWeightDecayOptimizer_1", "global_step"]
90
+ for n in name
91
+ ):
92
+ logger.info(f"Skipping {'/'.join(name)}")
93
+ continue
94
+ pointer = model
95
+ for m_name in name:
96
+ if re.fullmatch(r"[A-Za-z]+_\d+", m_name):
97
+ scope_names = re.split(r"_(\d+)", m_name)
98
+ else:
99
+ scope_names = [m_name]
100
+ if scope_names[0] == "kernel" or scope_names[0] == "gamma":
101
+ pointer = getattr(pointer, "weight")
102
+ elif scope_names[0] == "output_bias" or scope_names[0] == "beta":
103
+ pointer = getattr(pointer, "bias")
104
+ elif scope_names[0] == "output_weights":
105
+ pointer = getattr(pointer, "weight")
106
+ elif scope_names[0] == "squad":
107
+ pointer = getattr(pointer, "classifier")
108
+ else:
109
+ try:
110
+ pointer = getattr(pointer, scope_names[0])
111
+ except AttributeError:
112
+ logger.info(f"Skipping {'/'.join(name)}")
113
+ continue
114
+ if len(scope_names) >= 2:
115
+ num = int(scope_names[1])
116
+ pointer = pointer[num]
117
+ if m_name[-11:] == "_embeddings":
118
+ pointer = getattr(pointer, "weight")
119
+ elif m_name == "kernel":
120
+ array = np.transpose(array)
121
+ try:
122
+ assert (
123
+ pointer.shape == array.shape
124
+ ), f"Pointer shape {pointer.shape} and array shape {array.shape} mismatched"
125
+ except AssertionError as e:
126
+ e.args += (pointer.shape, array.shape)
127
+ raise
128
+ logger.info(f"Initialize PyTorch weight {name}")
129
+ pointer.data = torch.from_numpy(array)
130
+ return model
131
+
132
+
133
+ @torch.jit.script
134
+ def gelu_impl(x):
135
+ """OpenAI's gelu implementation."""
136
+ return 0.5 * x * (1.0 + torch.tanh(0.7978845608028654 * x *
137
+ (1.0 + 0.044715 * x * x)))
138
+
139
+
140
+ def gelu(x):
141
+ return gelu_impl(x)
142
+
143
+
144
+ class RotaryEmbedding(torch.nn.Module):
145
+ def __init__(self, dim, base=10000, precision=torch.half, learnable=False):
146
+ super().__init__()
147
+ inv_freq = 1. / (base ** (torch.arange(0, dim, 2).float() / dim))
148
+ inv_freq = inv_freq.half()
149
+ self.learnable = learnable
150
+ if learnable:
151
+ self.inv_freq = torch.nn.Parameter(inv_freq)
152
+ self.max_seq_len_cached = None
153
+ else:
154
+ self.register_buffer('inv_freq', inv_freq)
155
+ self.max_seq_len_cached = None
156
+ self.cos_cached = None
157
+ self.sin_cached = None
158
+ self.precision = precision
159
+
160
+ def _load_from_state_dict(self, state_dict, prefix, local_metadata, strict, missing_keys, unexpected_keys,
161
+ error_msgs):
162
+ pass
163
+
164
+ def forward(self, x, seq_dim=1, seq_len=None):
165
+ if seq_len is None:
166
+ seq_len = x.shape[seq_dim]
167
+ if self.max_seq_len_cached is None or (seq_len > self.max_seq_len_cached):
168
+ self.max_seq_len_cached = None if self.learnable else seq_len
169
+ t = torch.arange(seq_len, device=x.device, dtype=self.inv_freq.dtype)
170
+ freqs = torch.einsum('i,j->ij', t, self.inv_freq)
171
+ # Different from paper, but it uses a different permutation in order to obtain the same calculation
172
+ emb = torch.cat((freqs, freqs), dim=-1).to(x.device)
173
+ if self.precision == torch.bfloat16:
174
+ emb = emb.float()
175
+
176
+ # [sx, 1 (b * np), hn]
177
+ cos_cached = emb.cos()[:, None, :]
178
+ sin_cached = emb.sin()[:, None, :]
179
+ if self.precision == torch.bfloat16:
180
+ cos_cached = cos_cached.bfloat16()
181
+ sin_cached = sin_cached.bfloat16()
182
+ if self.learnable:
183
+ return cos_cached, sin_cached
184
+ self.cos_cached, self.sin_cached = cos_cached, sin_cached
185
+ return self.cos_cached[:seq_len, ...], self.sin_cached[:seq_len, ...]
186
+
187
+ def _apply(self, fn):
188
+ if self.cos_cached is not None:
189
+ self.cos_cached = fn(self.cos_cached)
190
+ if self.sin_cached is not None:
191
+ self.sin_cached = fn(self.sin_cached)
192
+ return super()._apply(fn)
193
+
194
+ def rotate_half(x):
195
+ x1, x2 = x[..., :x.shape[-1] // 2], x[..., x.shape[-1] // 2:]
196
+ return torch.cat((-x2, x1), dim=x1.ndim - 1) # dim=-1 triggers a bug in earlier torch versions
197
+
198
+
199
+ @torch.jit.script
200
+ def apply_rotary_pos_emb_index(q, k, cos, sin, position_id):
201
+ # position_id: [sq, b], q, k: [sq, b, np, hn], cos: [sq, 1, hn] -> [sq, b, 1, hn]
202
+ cos, sin = F.embedding(position_id, cos.squeeze(1)).unsqueeze(2), \
203
+ F.embedding(position_id, sin.squeeze(1)).unsqueeze(2)
204
+ q, k = (q * cos) + (rotate_half(q) * sin), (k * cos) + (rotate_half(k) * sin)
205
+ return q, k
206
+
207
+
208
+ def attention_fn(
209
+ self,
210
+ query_layer,
211
+ key_layer,
212
+ value_layer,
213
+ attention_mask,
214
+ hidden_size_per_partition,
215
+ layer_id,
216
+ layer_past=None,
217
+ scaling_attention_score=True,
218
+ use_cache=False,
219
+ ):
220
+ if layer_past is not None:
221
+ past_key, past_value = layer_past
222
+ key_layer = torch.cat((past_key, key_layer), dim=0)
223
+ value_layer = torch.cat((past_value, value_layer), dim=0)
224
+
225
+ # seqlen, batch, num_attention_heads, hidden_size_per_attention_head
226
+ seq_len, b, nh, hidden_size = key_layer.shape
227
+
228
+ if use_cache:
229
+ present = (key_layer, value_layer)
230
+ else:
231
+ present = None
232
+
233
+ query_key_layer_scaling_coeff = float(layer_id + 1)
234
+ if scaling_attention_score:
235
+ query_layer = query_layer / (math.sqrt(hidden_size) * query_key_layer_scaling_coeff)
236
+
237
+ # ===================================
238
+ # Raw attention scores. [b, np, s, s]
239
+ # ===================================
240
+
241
+ # [b, np, sq, sk]
242
+ output_size = (query_layer.size(1), query_layer.size(2), query_layer.size(0), key_layer.size(0))
243
+
244
+ # [sq, b, np, hn] -> [sq, b * np, hn]
245
+ query_layer = query_layer.view(output_size[2], output_size[0] * output_size[1], -1)
246
+ # [sk, b, np, hn] -> [sk, b * np, hn]
247
+ key_layer = key_layer.view(output_size[3], output_size[0] * output_size[1], -1)
248
+
249
+ matmul_result = torch.empty(
250
+ output_size[0] * output_size[1],
251
+ output_size[2],
252
+ output_size[3],
253
+ dtype=query_layer.dtype,
254
+ device=query_layer.device,
255
+ )
256
+
257
+ matmul_result = torch.baddbmm(
258
+ matmul_result,
259
+ query_layer.transpose(0, 1), # [b * np, sq, hn]
260
+ key_layer.transpose(0, 1).transpose(1, 2), # [b * np, hn, sk]
261
+ beta=0.0,
262
+ alpha=1.0,
263
+ )
264
+
265
+ # change view to [b, np, sq, sk]
266
+ attention_scores = matmul_result.view(*output_size)
267
+
268
+ if self.scale_mask_softmax:
269
+ self.scale_mask_softmax.scale = query_key_layer_scaling_coeff
270
+ attention_probs = self.scale_mask_softmax(attention_scores, attention_mask.contiguous())
271
+ else:
272
+ if not (attention_mask == 0).all():
273
+ # if auto-regressive, skip
274
+ attention_scores.masked_fill_(attention_mask, -10000.0)
275
+ dtype = attention_scores.type()
276
+ attention_scores = attention_scores.float()
277
+ attention_scores = attention_scores * query_key_layer_scaling_coeff
278
+
279
+ attention_probs = F.softmax(attention_scores, dim=-1)
280
+
281
+ attention_probs = attention_probs.type(dtype)
282
+
283
+ # =========================
284
+ # Context layer. [sq, b, hp]
285
+ # =========================
286
+
287
+ # value_layer -> context layer.
288
+ # [sk, b, np, hn] --> [b, np, sq, hn]
289
+
290
+ # context layer shape: [b, np, sq, hn]
291
+ output_size = (value_layer.size(1), value_layer.size(2), query_layer.size(0), value_layer.size(3))
292
+
293
+ # change view [sk, b * np, hn]
294
+ value_layer = value_layer.view(value_layer.size(0), output_size[0] * output_size[1], -1)
295
+
296
+ # change view [b * np, sq, sk]
297
+ attention_probs = attention_probs.view(output_size[0] * output_size[1], output_size[2], -1)
298
+
299
+ # matmul: [b * np, sq, hn]
300
+ context_layer = torch.bmm(attention_probs, value_layer.transpose(0, 1))
301
+
302
+ # change view [b, np, sq, hn]
303
+ context_layer = context_layer.view(*output_size)
304
+
305
+ # [b, np, sq, hn] --> [sq, b, np, hn]
306
+ context_layer = context_layer.permute(2, 0, 1, 3).contiguous()
307
+
308
+ # [sq, b, np, hn] --> [sq, b, hp]
309
+ new_context_layer_shape = context_layer.size()[:-2] + (hidden_size_per_partition,)
310
+ context_layer = context_layer.view(*new_context_layer_shape)
311
+
312
+ outputs = (context_layer, present, attention_probs)
313
+
314
+ return outputs
315
+
316
+
317
+ class SelfAttention(torch.nn.Module):
318
+ def __init__(self, hidden_size, num_attention_heads,
319
+ layer_id, hidden_size_per_attention_head=None, bias=True,
320
+ params_dtype=torch.float, position_encoding_2d=True):
321
+ super(SelfAttention, self).__init__()
322
+
323
+ self.layer_id = layer_id
324
+ self.hidden_size = hidden_size
325
+ self.hidden_size_per_partition = hidden_size
326
+ self.num_attention_heads = num_attention_heads
327
+ self.num_attention_heads_per_partition = num_attention_heads
328
+ self.position_encoding_2d = position_encoding_2d
329
+ self.rotary_emb = RotaryEmbedding(
330
+ self.hidden_size // (self.num_attention_heads * 2)
331
+ if position_encoding_2d
332
+ else self.hidden_size // self.num_attention_heads,
333
+ base=10000,
334
+ precision=torch.half,
335
+ learnable=False,
336
+ )
337
+
338
+ self.scale_mask_softmax = None
339
+
340
+ if hidden_size_per_attention_head is None:
341
+ self.hidden_size_per_attention_head = hidden_size // num_attention_heads
342
+ else:
343
+ self.hidden_size_per_attention_head = hidden_size_per_attention_head
344
+
345
+ self.inner_hidden_size = num_attention_heads * self.hidden_size_per_attention_head
346
+
347
+ # Strided linear layer.
348
+ self.query_key_value = skip_init(
349
+ torch.nn.Linear,
350
+ hidden_size,
351
+ 3 * self.inner_hidden_size,
352
+ bias=bias,
353
+ dtype=params_dtype,
354
+ )
355
+
356
+ self.dense = skip_init(
357
+ torch.nn.Linear,
358
+ self.inner_hidden_size,
359
+ hidden_size,
360
+ bias=bias,
361
+ dtype=params_dtype,
362
+ )
363
+
364
+ @staticmethod
365
+ def attention_mask_func(attention_scores, attention_mask):
366
+ attention_scores.masked_fill_(attention_mask, -10000.0)
367
+ return attention_scores
368
+
369
+ def split_tensor_along_last_dim(self, tensor, num_partitions,
370
+ contiguous_split_chunks=False):
371
+ """Split a tensor along its last dimension.
372
+ Arguments:
373
+ tensor: input tensor.
374
+ num_partitions: number of partitions to split the tensor
375
+ contiguous_split_chunks: If True, make each chunk contiguous
376
+ in memory.
377
+ """
378
+ # Get the size and dimension.
379
+ last_dim = tensor.dim() - 1
380
+ last_dim_size = tensor.size()[last_dim] // num_partitions
381
+ # Split.
382
+ tensor_list = torch.split(tensor, last_dim_size, dim=last_dim)
383
+ # Note: torch.split does not create contiguous tensors by default.
384
+ if contiguous_split_chunks:
385
+ return tuple(chunk.contiguous() for chunk in tensor_list)
386
+
387
+ return tensor_list
388
+
389
+ def forward(
390
+ self,
391
+ hidden_states: torch.Tensor,
392
+ position_ids,
393
+ attention_mask: torch.Tensor,
394
+ layer_id,
395
+ layer_past: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
396
+ use_cache: bool = False,
397
+ output_attentions: bool = False,
398
+ ):
399
+ """
400
+ hidden_states: [seq_len, batch, hidden_size]
401
+ attention_mask: [(1, 1), seq_len, seq_len]
402
+ """
403
+
404
+ # [seq_len, batch, 3 * hidden_size]
405
+ mixed_raw_layer = self.query_key_value(hidden_states)
406
+
407
+ # [seq_len, batch, 3 * hidden_size] --> [seq_len, batch, num_attention_heads, 3 * hidden_size_per_attention_head]
408
+ new_tensor_shape = mixed_raw_layer.size()[:-1] + (
409
+ self.num_attention_heads_per_partition,
410
+ 3 * self.hidden_size_per_attention_head,
411
+ )
412
+ mixed_raw_layer = mixed_raw_layer.view(*new_tensor_shape)
413
+
414
+ # [seq_len, batch, num_attention_heads, hidden_size_per_attention_head]
415
+ (query_layer, key_layer, value_layer) = self.split_tensor_along_last_dim(mixed_raw_layer, 3)
416
+
417
+ if self.position_encoding_2d:
418
+ q1, q2 = query_layer.chunk(2, dim=(query_layer.ndim - 1))
419
+ k1, k2 = key_layer.chunk(2, dim=(key_layer.ndim - 1))
420
+ cos, sin = self.rotary_emb(q1, seq_len=position_ids.max() + 1)
421
+ position_ids, block_position_ids = position_ids[:, 0, :].transpose(0, 1).contiguous(), \
422
+ position_ids[:, 1, :].transpose(0, 1).contiguous()
423
+ q1, k1 = apply_rotary_pos_emb_index(q1, k1, cos, sin, position_ids)
424
+ q2, k2 = apply_rotary_pos_emb_index(q2, k2, cos, sin, block_position_ids)
425
+ query_layer = torch.concat([q1, q2], dim=(q1.ndim - 1))
426
+ key_layer = torch.concat([k1, k2], dim=(k1.ndim - 1))
427
+ else:
428
+ position_ids = position_ids.transpose(0, 1)
429
+ cos, sin = self.rotary_emb(value_layer, seq_len=position_ids.max() + 1)
430
+ # [seq_len, batch, num_attention_heads, hidden_size_per_attention_head]
431
+ query_layer, key_layer = apply_rotary_pos_emb_index(query_layer, key_layer, cos, sin, position_ids)
432
+
433
+ # [seq_len, batch, hidden_size]
434
+ context_layer, present, attention_probs = attention_fn(
435
+ self=self,
436
+ query_layer=query_layer,
437
+ key_layer=key_layer,
438
+ value_layer=value_layer,
439
+ attention_mask=attention_mask,
440
+ hidden_size_per_partition=self.hidden_size_per_partition,
441
+ layer_id=layer_id,
442
+ layer_past=layer_past,
443
+ use_cache=use_cache
444
+ )
445
+
446
+ output = self.dense(context_layer)
447
+
448
+ outputs = (output, present)
449
+
450
+ if output_attentions:
451
+ outputs += (attention_probs,)
452
+
453
+ return outputs # output, present, attention_probs
454
+
455
+
456
+ class GEGLU(torch.nn.Module):
457
+ def __init__(self):
458
+ super().__init__()
459
+ self.activation_fn = F.gelu
460
+
461
+ def forward(self, x):
462
+ # dim=-1 breaks in jit for pt<1.10
463
+ x1, x2 = x.chunk(2, dim=(x.ndim - 1))
464
+ return x1 * self.activation_fn(x2)
465
+
466
+
467
+ class GLU(torch.nn.Module):
468
+ def __init__(self, hidden_size, inner_hidden_size=None,
469
+ layer_id=None, bias=True, activation_func=gelu, params_dtype=torch.float):
470
+ super(GLU, self).__init__()
471
+ self.layer_id = layer_id
472
+ self.activation_func = activation_func
473
+
474
+ # Project to 4h.
475
+ self.hidden_size = hidden_size
476
+ if inner_hidden_size is None:
477
+ inner_hidden_size = 4 * hidden_size
478
+ self.inner_hidden_size = inner_hidden_size
479
+ self.dense_h_to_4h = skip_init(
480
+ torch.nn.Linear,
481
+ self.hidden_size,
482
+ self.inner_hidden_size,
483
+ bias=bias,
484
+ dtype=params_dtype,
485
+ )
486
+ # Project back to h.
487
+ self.dense_4h_to_h = skip_init(
488
+ torch.nn.Linear,
489
+ self.inner_hidden_size,
490
+ self.hidden_size,
491
+ bias=bias,
492
+ dtype=params_dtype,
493
+ )
494
+
495
+ def forward(self, hidden_states):
496
+ """
497
+ hidden_states: [seq_len, batch, hidden_size]
498
+ """
499
+
500
+ # [seq_len, batch, inner_hidden_size]
501
+ intermediate_parallel = self.dense_h_to_4h(hidden_states)
502
+
503
+ intermediate_parallel = self.activation_func(intermediate_parallel)
504
+
505
+ output = self.dense_4h_to_h(intermediate_parallel)
506
+
507
+ return output
508
+
509
+
510
+ class GLMBlock(torch.nn.Module):
511
+ def __init__(
512
+ self,
513
+ hidden_size,
514
+ num_attention_heads,
515
+ layernorm_epsilon,
516
+ layer_id,
517
+ inner_hidden_size=None,
518
+ hidden_size_per_attention_head=None,
519
+ layernorm=LayerNorm,
520
+ use_bias=True,
521
+ params_dtype=torch.float,
522
+ num_layers=28,
523
+ position_encoding_2d=True
524
+ ):
525
+ super(GLMBlock, self).__init__()
526
+ # Set output layer initialization if not provided.
527
+
528
+ self.layer_id = layer_id
529
+
530
+ # Layernorm on the input data.
531
+ self.input_layernorm = layernorm(hidden_size, eps=layernorm_epsilon)
532
+
533
+ self.position_encoding_2d = position_encoding_2d
534
+
535
+ # Self attention.
536
+ self.attention = SelfAttention(
537
+ hidden_size,
538
+ num_attention_heads,
539
+ layer_id,
540
+ hidden_size_per_attention_head=hidden_size_per_attention_head,
541
+ bias=use_bias,
542
+ params_dtype=params_dtype,
543
+ position_encoding_2d=self.position_encoding_2d
544
+ )
545
+
546
+ # Layernorm on the input data.
547
+ self.post_attention_layernorm = layernorm(hidden_size, eps=layernorm_epsilon)
548
+
549
+ self.num_layers = num_layers
550
+
551
+ # GLU
552
+ self.mlp = GLU(
553
+ hidden_size,
554
+ inner_hidden_size=inner_hidden_size,
555
+ bias=use_bias,
556
+ layer_id=layer_id,
557
+ params_dtype=params_dtype,
558
+ )
559
+
560
+ def forward(
561
+ self,
562
+ hidden_states: torch.Tensor,
563
+ position_ids,
564
+ attention_mask: torch.Tensor,
565
+ layer_id,
566
+ layer_past: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
567
+ use_cache: bool = False,
568
+ output_attentions: bool = False,
569
+ ):
570
+ """
571
+ hidden_states: [seq_len, batch, hidden_size]
572
+ attention_mask: [(1, 1), seq_len, seq_len]
573
+ """
574
+
575
+ # Layer norm at the begining of the transformer layer.
576
+ # [seq_len, batch, hidden_size]
577
+ attention_input = self.input_layernorm(hidden_states)
578
+
579
+ # Self attention.
580
+ attention_outputs = self.attention(
581
+ attention_input,
582
+ position_ids,
583
+ attention_mask=attention_mask,
584
+ layer_id=layer_id,
585
+ layer_past=layer_past,
586
+ use_cache=use_cache,
587
+ output_attentions=output_attentions
588
+ )
589
+
590
+ attention_output = attention_outputs[0]
591
+
592
+ outputs = attention_outputs[1:]
593
+
594
+ # Residual connection.
595
+ alpha = (2 * self.num_layers) ** 0.5
596
+ hidden_states = attention_input * alpha + attention_output
597
+
598
+ mlp_input = self.post_attention_layernorm(hidden_states)
599
+
600
+ # MLP.
601
+ mlp_output = self.mlp(mlp_input)
602
+
603
+ # Second residual connection.
604
+ output = mlp_input * alpha + mlp_output
605
+
606
+ if use_cache:
607
+ outputs = (output,) + outputs
608
+ else:
609
+ outputs = (output,) + outputs[1:]
610
+
611
+ return outputs # hidden_states, present, attentions
612
+
613
+
614
+ class ChatGLMPreTrainedModel(PreTrainedModel):
615
+ """
616
+ An abstract class to handle weights initialization and
617
+ a simple interface for downloading and loading pretrained models.
618
+ """
619
+
620
+ is_parallelizable = False
621
+ supports_gradient_checkpointing = False
622
+ config_class = ChatGLMConfig
623
+ base_model_prefix = "transformer"
624
+ _no_split_modules = ["GLM6BBlock"]
625
+
626
+ def __init__(self, *inputs, **kwargs):
627
+ super().__init__(*inputs, **kwargs)
628
+
629
+ def _init_weights(self, module: nn.Module):
630
+ """Initialize the weights."""
631
+ return
632
+
633
+
634
+ CHATGLM_6B_START_DOCSTRING = r"""
635
+ This model is a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) sub-class.
636
+ Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general
637
+ usage and behavior.
638
+
639
+ Parameters:
640
+ config ([`~ChatGLM6BConfig`]): Model configuration class with all the parameters of the model.
641
+ Initializing with a config file does not load the weights associated with the model, only the configuration.
642
+ Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
643
+ """
644
+
645
+ CHATGLM_6B_INPUTS_DOCSTRING = r"""
646
+ Args:
647
+ input_ids (`torch.LongTensor` of shape `({0})`):
648
+ Indices of input sequence tokens in the vocabulary.
649
+
650
+ Indices can be obtained using [`ChatGLM6BTokenizer`].
651
+ See [`PreTrainedTokenizer.encode`] and
652
+ [`PreTrainedTokenizer.__call__`] for details.
653
+
654
+ [What are input IDs?](../glossary#input-ids)
655
+ attention_mask (`torch.FloatTensor` of shape `({0})`, *optional*):
656
+ Mask to avoid performing attention on padding token indices. Mask values selected in `[0, 1]`:
657
+
658
+ - 1 for tokens that are **not masked**,
659
+ - 0 for tokens that are **masked**.
660
+
661
+ [What are attention masks?](../glossary#attention-mask)
662
+ token_type_ids (`torch.LongTensor` of shape `({0})`, *optional*):
663
+ Segment token indices to indicate first and second portions of the inputs. Indices are selected in `[0, 1]`:
664
+
665
+ - 0 corresponds to a *sentence A* token,
666
+ - 1 corresponds to a *sentence B* token.
667
+
668
+ [What are token type IDs?](../glossary#token-type-ids)
669
+ position_ids (`torch.LongTensor` of shape `({0})`, *optional*):
670
+ Indices of positions of each input sequence tokens in the position embeddings.
671
+ Selected in the range `[0, config.max_position_embeddings - 1]`.
672
+
673
+ [What are position IDs?](../glossary#position-ids)
674
+ head_mask (`torch.FloatTensor` of shape `(num_heads,)` or `(num_layers, num_heads)`, *optional*):
675
+ Mask to nullify selected heads of the self-attention modules. Mask values selected in `[0, 1]`:
676
+
677
+ - 1 indicates the head is **not masked**,
678
+ - 0 indicates the head is **masked**.
679
+
680
+ inputs_embeds (`torch.FloatTensor` of shape `({0}, hidden_size)`, *optional*):
681
+ Optionally, instead of passing `input_ids` you can choose to directly pass an embedded representation.
682
+ This is useful if you want more control over how to convert *input_ids* indices into associated vectors
683
+ than the model's internal embedding lookup matrix.
684
+ output_attentions (`bool`, *optional*):
685
+ Whether or not to return the attentions tensors of all attention layers. See `attentions` under returned
686
+ tensors for more detail.
687
+ output_hidden_states (`bool`, *optional*):
688
+ Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
689
+ more detail.
690
+ return_dict (`bool`, *optional*):
691
+ Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
692
+ """
693
+
694
+
695
+ @add_start_docstrings(
696
+ "The bare ChatGLM-6B Model transformer outputting raw hidden-states without any specific head on top.",
697
+ CHATGLM_6B_START_DOCSTRING,
698
+ )
699
+ class ChatGLMModel(ChatGLMPreTrainedModel):
700
+ """
701
+
702
+ The model can behave as an encoder (with only self-attention) as well
703
+ as a decoder, in which case a layer of cross-attention is added between
704
+ the self-attention layers, following the architecture described in [Attention is
705
+ all you need](https://arxiv.org/abs/1706.03762) by Ashish Vaswani,
706
+ Noam Shazeer, Niki Parmar, Jakob Uszkoreit, Llion Jones, Aidan N. Gomez, Lukasz Kaiser and Illia Polosukhin.
707
+
708
+ To behave as an decoder the model needs to be initialized with the
709
+ `is_decoder` argument of the configuration set to `True`.
710
+ To be used in a Seq2Seq model, the model needs to initialized with both `is_decoder`
711
+ argument and `add_cross_attention` set to `True`; an
712
+ `encoder_hidden_states` is then expected as an input to the forward pass.
713
+ """
714
+
715
+ def __init__(self, config: ChatGLMConfig):
716
+ super().__init__(config)
717
+
718
+ # recording parameters
719
+ self.max_sequence_length = config.max_sequence_length
720
+ self.hidden_size = config.hidden_size
721
+ self.params_dtype = torch.half
722
+ self.num_attention_heads = config.num_attention_heads
723
+ self.vocab_size = config.vocab_size
724
+ self.num_layers = config.num_layers
725
+ self.layernorm_epsilon = config.layernorm_epsilon
726
+ self.inner_hidden_size = config.inner_hidden_size
727
+ self.hidden_size_per_attention_head = self.hidden_size // self.num_attention_heads
728
+ self.position_encoding_2d = config.position_encoding_2d
729
+
730
+ self.word_embeddings = skip_init(
731
+ torch.nn.Embedding,
732
+ num_embeddings=self.vocab_size, embedding_dim=self.hidden_size,
733
+ dtype=self.params_dtype
734
+ )
735
+
736
+ def get_layer(layer_id):
737
+ return GLMBlock(
738
+ self.hidden_size,
739
+ self.num_attention_heads,
740
+ self.layernorm_epsilon,
741
+ layer_id,
742
+ inner_hidden_size=self.inner_hidden_size,
743
+ hidden_size_per_attention_head=self.hidden_size_per_attention_head,
744
+ layernorm=LayerNorm,
745
+ use_bias=True,
746
+ params_dtype=self.params_dtype,
747
+ position_encoding_2d=self.position_encoding_2d,
748
+ )
749
+
750
+ self.layers = torch.nn.ModuleList(
751
+ [get_layer(layer_id) for layer_id in range(self.num_layers)]
752
+ )
753
+
754
+ # Final layer norm before output.
755
+ self.final_layernorm = LayerNorm(self.hidden_size, eps=self.layernorm_epsilon)
756
+
757
+ def get_input_embeddings(self):
758
+ return self.word_embeddings
759
+
760
+ def set_input_embeddings(self, new_embeddings: torch.Tensor):
761
+ self.word_embeddings = new_embeddings
762
+
763
+ def get_masks(self, seq, device):
764
+ context_length = seq.index(self.config.bos_token_id) + 1
765
+
766
+ attention_mask = torch.ones((1, len(seq), len(seq)), device=device)
767
+ attention_mask.tril_()
768
+ attention_mask[..., :context_length - 1] = 1
769
+ attention_mask.unsqueeze_(1)
770
+ attention_mask = (attention_mask < 0.5).bool()
771
+
772
+ return attention_mask
773
+
774
+ def get_position_ids(self, seq, mask_position, device, gmask=False):
775
+ context_length = seq.index(self.config.bos_token_id) + 1
776
+ if self.position_encoding_2d:
777
+ seq_length = seq.index(self.config.bos_token_id)
778
+ position_ids = torch.arange(context_length, dtype=torch.long, device=device)
779
+ if not gmask:
780
+ position_ids[seq_length:] = mask_position
781
+ block_position_ids = torch.cat((
782
+ torch.zeros(seq_length, dtype=torch.long, device=device),
783
+ torch.arange(context_length - seq_length, dtype=torch.long, device=device) + 1
784
+ ))
785
+ position_ids = torch.stack((position_ids, block_position_ids), dim=0)
786
+ else:
787
+ position_ids = torch.arange(context_length, dtype=torch.long, device=device)
788
+ if not gmask:
789
+ position_ids[context_length - 1:] = mask_position
790
+
791
+ position_ids = position_ids.unsqueeze(0)
792
+
793
+ return position_ids
794
+
795
+ @add_start_docstrings_to_model_forward(CHATGLM_6B_INPUTS_DOCSTRING.format("batch_size, sequence_length"))
796
+ @add_code_sample_docstrings(
797
+ checkpoint=_CHECKPOINT_FOR_DOC,
798
+ output_type=BaseModelOutputWithPastAndCrossAttentions,
799
+ config_class=_CONFIG_FOR_DOC,
800
+ )
801
+ def forward(
802
+ self,
803
+ input_ids: Optional[torch.LongTensor] = None,
804
+ position_ids: Optional[torch.LongTensor] = None,
805
+ attention_mask: Optional[torch.Tensor] = None,
806
+ past_key_values: Optional[Tuple[Tuple[torch.Tensor, torch.Tensor], ...]] = None,
807
+ inputs_embeds: Optional[torch.LongTensor] = None,
808
+ use_cache: Optional[bool] = None,
809
+ output_attentions: Optional[bool] = None,
810
+ output_hidden_states: Optional[bool] = None,
811
+ return_dict: Optional[bool] = None,
812
+ ) -> Union[Tuple[torch.Tensor, ...], BaseModelOutputWithPast]:
813
+
814
+ output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
815
+ output_hidden_states = (
816
+ output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
817
+ )
818
+ use_cache = use_cache if use_cache is not None else self.config.use_cache
819
+ return_dict = return_dict if return_dict is not None else self.config.use_return_dict
820
+
821
+ if input_ids is not None and inputs_embeds is not None:
822
+ raise ValueError("You cannot specify both input_ids and inputs_embeds at the same time")
823
+ elif input_ids is not None:
824
+ batch_size, seq_length = input_ids.shape[:2]
825
+ elif inputs_embeds is not None:
826
+ batch_size, seq_length, _ = inputs_embeds.shape[:2]
827
+ else:
828
+ raise ValueError("You have to specify either input_ids or inputs_embeds")
829
+
830
+ if past_key_values is None:
831
+ past_key_values = tuple([None] * len(self.layers))
832
+ seq = input_ids[0].tolist()
833
+
834
+ if attention_mask is None:
835
+ attention_mask = self.get_masks(
836
+ seq=seq,
837
+ device=input_ids.device
838
+ )
839
+
840
+ if position_ids is None:
841
+ MASK, gMASK = 130000, 130001
842
+ mask_token = MASK if MASK in input_ids else gMASK
843
+ use_gmask = False if MASK in input_ids else gMASK
844
+
845
+ mask_position = seq.index(mask_token)
846
+ position_ids = self.get_position_ids(
847
+ seq=seq,
848
+ mask_position=mask_position,
849
+ device=input_ids.device,
850
+ gmask=use_gmask
851
+ )
852
+
853
+ if inputs_embeds is None:
854
+ inputs_embeds = self.word_embeddings(input_ids)
855
+
856
+ # [seq_len, batch, hidden_size]
857
+ hidden_states = inputs_embeds.transpose(0, 1)
858
+
859
+ presents = () if use_cache else None
860
+ all_self_attentions = () if output_attentions else None
861
+ all_hidden_states = () if output_hidden_states else None
862
+
863
+ seq_length_with_past = seq_length
864
+ past_key_values_length = 0
865
+ if past_key_values[0] is not None:
866
+ past_key_values_length = past_key_values[0][0].shape[0]
867
+ seq_length_with_past = seq_length_with_past + past_key_values_length
868
+ if attention_mask is None:
869
+ attention_mask = torch.zeros(1, 1, device=input_ids.device).bool()
870
+
871
+ else:
872
+ attention_mask = attention_mask.to(input_ids.device)
873
+
874
+ for i, layer in enumerate(self.layers):
875
+
876
+ if output_hidden_states:
877
+ all_hidden_states = all_hidden_states + (hidden_states,)
878
+
879
+ layer_ret = layer(
880
+ hidden_states,
881
+ position_ids=position_ids,
882
+ attention_mask=attention_mask,
883
+ layer_id=torch.tensor(i),
884
+ layer_past=past_key_values[i],
885
+ use_cache=use_cache,
886
+ output_attentions=output_attentions
887
+ )
888
+
889
+ hidden_states = layer_ret[0]
890
+
891
+ if use_cache:
892
+ presents = presents + (layer_ret[1],)
893
+
894
+ if output_attentions:
895
+ all_self_attentions = all_self_attentions + (layer_ret[2 if use_cache else 1],)
896
+
897
+ # Final layer norm.
898
+ hidden_states = self.final_layernorm(hidden_states)
899
+
900
+ if output_hidden_states:
901
+ all_hidden_states = all_hidden_states + (hidden_states,)
902
+
903
+ if not return_dict:
904
+ return tuple(v for v in [hidden_states, presents, all_hidden_states, all_self_attentions] if v is not None)
905
+
906
+ return BaseModelOutputWithPast(
907
+ last_hidden_state=hidden_states,
908
+ past_key_values=presents,
909
+ hidden_states=all_hidden_states,
910
+ attentions=all_self_attentions,
911
+ )
912
+
913
+
914
+ class ChatGLMForConditionalGeneration(ChatGLMPreTrainedModel):
915
+ def __init__(self, config: ChatGLMConfig):
916
+ super().__init__(config)
917
+
918
+ # self.hidden_size = config.hidden_size
919
+ # self.params_dtype = torch.half
920
+ # self.vocab_size = config.vocab_size
921
+ self.max_sequence_length = config.max_sequence_length
922
+
923
+ self.position_encoding_2d = config.position_encoding_2d
924
+
925
+ self.transformer = ChatGLMModel(config)
926
+
927
+ self.lm_head = skip_init(
928
+ nn.Linear,
929
+ config.hidden_size,
930
+ config.vocab_size,
931
+ bias=False,
932
+ dtype=torch.half
933
+ )
934
+
935
+ self.config = config
936
+
937
+ self.quantized = False
938
+
939
+ if self.config.quantization_bit:
940
+ self.quantize(self.config.quantization_bit, self.config.quantization_embeddings, use_quantization_cache=True, empty_init=True)
941
+
942
+ def get_output_embeddings(self):
943
+ return self.lm_head
944
+
945
+ def set_output_embeddings(self, new_embeddings):
946
+ self.lm_head = new_embeddings
947
+
948
+ def get_masks_and_position_ids(self, seq, mask_position, context_length, device, gmask=False):
949
+ attention_mask = torch.ones((1, context_length, context_length), device=device)
950
+ attention_mask.tril_()
951
+ attention_mask[..., :context_length - 1] = 1
952
+ attention_mask.unsqueeze_(1)
953
+ attention_mask = (attention_mask < 0.5).bool()
954
+
955
+ if self.position_encoding_2d:
956
+ seq_length = seq.index(self.config.bos_token_id)
957
+ position_ids = torch.arange(context_length, dtype=torch.long, device=device)
958
+ if not gmask:
959
+ position_ids[seq_length:] = mask_position
960
+ block_position_ids = torch.cat((
961
+ torch.zeros(seq_length, dtype=torch.long, device=device),
962
+ torch.arange(context_length - seq_length, dtype=torch.long, device=device) + 1
963
+ ))
964
+ position_ids = torch.stack((position_ids, block_position_ids), dim=0)
965
+ else:
966
+ position_ids = torch.arange(context_length, dtype=torch.long, device=device)
967
+ if not gmask:
968
+ position_ids[context_length - 1:] = mask_position
969
+
970
+ position_ids = position_ids.unsqueeze(0)
971
+
972
+ return attention_mask, position_ids
973
+
974
+ def prepare_inputs_for_generation(
975
+ self,
976
+ input_ids: torch.LongTensor,
977
+ past: Optional[torch.Tensor] = None,
978
+ past_key_values: Optional[torch.Tensor] = None,
979
+ attention_mask: Optional[torch.Tensor] = None,
980
+ **kwargs
981
+ ) -> dict:
982
+
983
+ MASK, gMASK = 130000, 130001
984
+ mask_token = MASK if MASK in input_ids else gMASK
985
+ use_gmask = False if MASK in input_ids else gMASK
986
+ seq = input_ids[0].tolist()
987
+ mask_position = seq.index(mask_token)
988
+
989
+ if mask_token not in seq:
990
+ raise ValueError("You have to add either [MASK] or [gMASK] in your input")
991
+
992
+ # only last token for input_ids if past is not None
993
+ if past is not None or past_key_values is not None:
994
+ context_length = seq.index(self.config.bos_token_id)
995
+ last_token = input_ids[:, -1].unsqueeze(-1)
996
+ if self.position_encoding_2d:
997
+ position_ids = torch.tensor([[[mask_position], [len(seq) - context_length]]], dtype=torch.long,
998
+ device=input_ids.device)
999
+ else:
1000
+ position_ids = torch.tensor([[mask_position]], dtype=torch.long, device=input_ids.device)
1001
+
1002
+ if past is None:
1003
+ past = past_key_values
1004
+ return {
1005
+ "input_ids": last_token,
1006
+ "past_key_values": past,
1007
+ "position_ids": position_ids,
1008
+ }
1009
+ else:
1010
+ attention_mask, position_ids = self.get_masks_and_position_ids(
1011
+ seq=seq,
1012
+ mask_position=mask_position,
1013
+ context_length=len(seq),
1014
+ device=input_ids.device,
1015
+ gmask=use_gmask
1016
+ )
1017
+
1018
+ return {
1019
+ "input_ids": input_ids,
1020
+ "past_key_values": past,
1021
+ "position_ids": position_ids,
1022
+ "attention_mask": attention_mask
1023
+ }
1024
+
1025
+ def forward(
1026
+ self,
1027
+ input_ids: Optional[torch.Tensor] = None,
1028
+ position_ids: Optional[torch.Tensor] = None,
1029
+ attention_mask: Optional[torch.Tensor] = None,
1030
+ past_key_values: Optional[Tuple[torch.FloatTensor]] = None,
1031
+ inputs_embeds: Optional[torch.Tensor] = None,
1032
+ labels: Optional[torch.Tensor] = None,
1033
+ use_cache: Optional[bool] = None,
1034
+ output_attentions: Optional[bool] = None,
1035
+ output_hidden_states: Optional[bool] = None,
1036
+ return_dict: Optional[bool] = None,
1037
+ ):
1038
+ use_cache = use_cache if use_cache is not None else self.config.use_cache
1039
+ return_dict = return_dict if return_dict is not None else self.config.use_return_dict
1040
+
1041
+ transformer_outputs = self.transformer(
1042
+ input_ids=input_ids,
1043
+ position_ids=position_ids,
1044
+ attention_mask=attention_mask,
1045
+ past_key_values=past_key_values,
1046
+ inputs_embeds=inputs_embeds,
1047
+ use_cache=use_cache,
1048
+ output_attentions=output_attentions,
1049
+ output_hidden_states=output_hidden_states,
1050
+ return_dict=return_dict,
1051
+ )
1052
+
1053
+ hidden_states = transformer_outputs[0]
1054
+
1055
+ lm_logits = self.lm_head(hidden_states).permute(1, 0, 2).contiguous()
1056
+
1057
+ loss = None
1058
+ if labels is not None:
1059
+ lm_logits = lm_logits.to(torch.float32)
1060
+
1061
+ # Shift so that tokens < n predict n
1062
+ shift_logits = lm_logits[..., :-1, :].contiguous()
1063
+ shift_labels = labels[..., 1:].contiguous()
1064
+ # Flatten the tokens
1065
+ loss_fct = CrossEntropyLoss()
1066
+ loss = loss_fct(shift_logits.view(-1, shift_logits.size(-1)), shift_labels.view(-1))
1067
+
1068
+ lm_logits = lm_logits.to(hidden_states.dtype)
1069
+ loss = loss.to(hidden_states.dtype)
1070
+
1071
+ if not return_dict:
1072
+ output = (lm_logits,) + transformer_outputs[1:]
1073
+ return ((loss,) + output) if loss is not None else output
1074
+
1075
+ return CausalLMOutputWithPast(
1076
+ loss=loss,
1077
+ logits=lm_logits,
1078
+ past_key_values=transformer_outputs.past_key_values,
1079
+ hidden_states=transformer_outputs.hidden_states,
1080
+ attentions=transformer_outputs.attentions,
1081
+ )
1082
+
1083
+ @staticmethod
1084
+ def _reorder_cache(
1085
+ past: Tuple[Tuple[torch.Tensor, torch.Tensor], ...], beam_idx: torch.LongTensor
1086
+ ) -> Tuple[Tuple[torch.Tensor, torch.Tensor], ...]:
1087
+ """
1088
+ This function is used to re-order the `past_key_values` cache if [`~PreTrainedModel.beam_search`] or
1089
+ [`~PreTrainedModel.beam_sample`] is called. This is required to match `past_key_values` with the correct
1090
+ beam_idx at every generation step.
1091
+
1092
+ Output shares the same memory storage as `past`.
1093
+ """
1094
+ return tuple(
1095
+ (
1096
+ layer_past[0].index_select(1, beam_idx.to(layer_past[0].device)),
1097
+ layer_past[1].index_select(1, beam_idx.to(layer_past[1].device)),
1098
+ )
1099
+ for layer_past in past
1100
+ )
1101
+
1102
+ @torch.no_grad()
1103
+ def chat(self, tokenizer, query: str, history: List[Tuple[str, str]] = None, max_length: int = 2048, num_beams=1,
1104
+ do_sample=True, top_p=0.7, temperature=0.95, logits_processor=None, **kwargs):
1105
+ if history is None:
1106
+ history = []
1107
+ if logits_processor is None:
1108
+ logits_processor = LogitsProcessorList()
1109
+ logits_processor.append(InvalidScoreLogitsProcessor())
1110
+ gen_kwargs = {"max_length": max_length, "num_beams": num_beams, "do_sample": do_sample, "top_p": top_p,
1111
+ "temperature": temperature, "logits_processor": logits_processor, **kwargs}
1112
+ if not history:
1113
+ prompt = query
1114
+ else:
1115
+ prompt = ""
1116
+ for i, (old_query, response) in enumerate(history):
1117
+ prompt += "[Round {}]\n问:{}\n答:{}\n".format(i, old_query, response)
1118
+ prompt += "[Round {}]\n问:{}\n答:".format(len(history), query)
1119
+ input_ids = tokenizer([prompt], return_tensors="pt", padding=True)
1120
+ input_ids = input_ids.to(self.device)
1121
+ outputs = self.generate(**input_ids, **gen_kwargs)
1122
+ outputs = outputs.tolist()[0][len(input_ids["input_ids"][0]):]
1123
+ response = tokenizer.decode(outputs)
1124
+ response = response.strip()
1125
+ response = response.replace("[[训练时间]]", "2023年")
1126
+ history = history + [(query, response)]
1127
+ return response, history
1128
+
1129
+ @torch.no_grad()
1130
+ def stream_chat(self, tokenizer, query: str, history: List[Tuple[str, str]] = None, max_length: int = 2048,
1131
+ do_sample=True, top_p=0.7, temperature=0.95, logits_processor=None, **kwargs):
1132
+ if history is None:
1133
+ history = []
1134
+ if logits_processor is None:
1135
+ logits_processor = LogitsProcessorList()
1136
+ logits_processor.append(InvalidScoreLogitsProcessor())
1137
+ gen_kwargs = {"max_length": max_length, "do_sample": do_sample, "top_p": top_p,
1138
+ "temperature": temperature, "logits_processor": logits_processor, **kwargs}
1139
+ if not history:
1140
+ prompt = query
1141
+ else:
1142
+ prompt = ""
1143
+ for i, (old_query, response) in enumerate(history):
1144
+ prompt += "[Round {}]\n问:{}\n答:{}\n".format(i, old_query, response)
1145
+ prompt += "[Round {}]\n问:{}\n答:".format(len(history), query)
1146
+ input_ids = tokenizer([prompt], return_tensors="pt", padding=True)
1147
+ input_ids = input_ids.to(self.device)
1148
+ for outputs in self.stream_generate(**input_ids, **gen_kwargs):
1149
+ outputs = outputs.tolist()[0][len(input_ids["input_ids"][0]):]
1150
+ response = tokenizer.decode(outputs)
1151
+ response = response.strip()
1152
+ response = response.replace("[[训练时间]]", "2023年")
1153
+ new_history = history + [(query, response)]
1154
+ yield response, new_history
1155
+
1156
+ @torch.no_grad()
1157
+ def stream_generate(
1158
+ self,
1159
+ input_ids,
1160
+ generation_config: Optional[GenerationConfig] = None,
1161
+ logits_processor: Optional[LogitsProcessorList] = None,
1162
+ stopping_criteria: Optional[StoppingCriteriaList] = None,
1163
+ prefix_allowed_tokens_fn: Optional[Callable[[int, torch.Tensor], List[int]]] = None,
1164
+ **kwargs,
1165
+ ):
1166
+ batch_size, input_ids_seq_length = input_ids.shape[0], input_ids.shape[-1]
1167
+
1168
+ if generation_config is None:
1169
+ generation_config = self.generation_config
1170
+ generation_config = copy.deepcopy(generation_config)
1171
+ model_kwargs = generation_config.update(**kwargs)
1172
+ bos_token_id, eos_token_id = generation_config.bos_token_id, generation_config.eos_token_id
1173
+
1174
+ if isinstance(eos_token_id, int):
1175
+ eos_token_id = [eos_token_id]
1176
+
1177
+ has_default_max_length = kwargs.get("max_length") is None and generation_config.max_length is not None
1178
+ if has_default_max_length and generation_config.max_new_tokens is None:
1179
+ warnings.warn(
1180
+ f"Using `max_length`'s default ({generation_config.max_length}) to control the generation length. "
1181
+ "This behaviour is deprecated and will be removed from the config in v5 of Transformers -- we"
1182
+ " recommend using `max_new_tokens` to control the maximum length of the generation.",
1183
+ UserWarning,
1184
+ )
1185
+ elif generation_config.max_new_tokens is not None:
1186
+ generation_config.max_length = generation_config.max_new_tokens + input_ids_seq_length
1187
+ if not has_default_max_length:
1188
+ logger.warn(
1189
+ f"Both `max_new_tokens` (={generation_config.max_new_tokens}) and `max_length`(="
1190
+ f"{generation_config.max_length}) seem to have been set. `max_new_tokens` will take precedence. "
1191
+ "Please refer to the documentation for more information. "
1192
+ "(https://huggingface.co/docs/transformers/main/en/main_classes/text_generation)",
1193
+ UserWarning,
1194
+ )
1195
+
1196
+ if input_ids_seq_length >= generation_config.max_length:
1197
+ input_ids_string = "decoder_input_ids" if self.config.is_encoder_decoder else "input_ids"
1198
+ logger.warning(
1199
+ f"Input length of {input_ids_string} is {input_ids_seq_length}, but `max_length` is set to"
1200
+ f" {generation_config.max_length}. This can lead to unexpected behavior. You should consider"
1201
+ " increasing `max_new_tokens`."
1202
+ )
1203
+
1204
+ # 2. Set generation parameters if not already defined
1205
+ logits_processor = logits_processor if logits_processor is not None else LogitsProcessorList()
1206
+ stopping_criteria = stopping_criteria if stopping_criteria is not None else StoppingCriteriaList()
1207
+
1208
+ logits_processor = self._get_logits_processor(
1209
+ generation_config=generation_config,
1210
+ input_ids_seq_length=input_ids_seq_length,
1211
+ encoder_input_ids=input_ids,
1212
+ prefix_allowed_tokens_fn=prefix_allowed_tokens_fn,
1213
+ logits_processor=logits_processor,
1214
+ )
1215
+
1216
+ stopping_criteria = self._get_stopping_criteria(
1217
+ generation_config=generation_config, stopping_criteria=stopping_criteria
1218
+ )
1219
+ logits_warper = self._get_logits_warper(generation_config)
1220
+
1221
+ unfinished_sequences = input_ids.new(input_ids.shape[0]).fill_(1)
1222
+ scores = None
1223
+ while True:
1224
+ model_inputs = self.prepare_inputs_for_generation(input_ids, **model_kwargs)
1225
+ # forward pass to get next token
1226
+ outputs = self(
1227
+ **model_inputs,
1228
+ return_dict=True,
1229
+ output_attentions=False,
1230
+ output_hidden_states=False,
1231
+ )
1232
+
1233
+ next_token_logits = outputs.logits[:, -1, :]
1234
+
1235
+ # pre-process distribution
1236
+ next_token_scores = logits_processor(input_ids, next_token_logits)
1237
+ next_token_scores = logits_warper(input_ids, next_token_scores)
1238
+
1239
+ # sample
1240
+ probs = nn.functional.softmax(next_token_scores, dim=-1)
1241
+ if generation_config.do_sample:
1242
+ next_tokens = torch.multinomial(probs, num_samples=1).squeeze(1)
1243
+ else:
1244
+ next_tokens = torch.argmax(probs, dim=-1)
1245
+
1246
+ # update generated ids, model inputs, and length for next step
1247
+ input_ids = torch.cat([input_ids, next_tokens[:, None]], dim=-1)
1248
+ model_kwargs = self._update_model_kwargs_for_generation(
1249
+ outputs, model_kwargs, is_encoder_decoder=self.config.is_encoder_decoder
1250
+ )
1251
+ unfinished_sequences = unfinished_sequences.mul((sum(next_tokens != i for i in eos_token_id)).long())
1252
+
1253
+ # stop when each sentence is finished, or if we exceed the maximum length
1254
+ if unfinished_sequences.max() == 0 or stopping_criteria(input_ids, scores):
1255
+ break
1256
+ yield input_ids
1257
+
1258
+ def quantize(self, bits: int, quantize_embeddings=False, use_quantization_cache=False, empty_init=False, **kwargs):
1259
+ if bits == 0:
1260
+ return
1261
+
1262
+ from .quantization import quantize, QuantizedEmbedding, QuantizedLinear, load_cpu_kernel
1263
+
1264
+ if self.quantized:
1265
+ if self.device == torch.device("cpu"):
1266
+ logger.info("Already quantized, reloading cpu kernel.")
1267
+ load_cpu_kernel(**kwargs)
1268
+ else:
1269
+ logger.info("Already quantized.")
1270
+ return self
1271
+
1272
+ self.quantized = True
1273
+
1274
+ self.config.quantization_bit = bits
1275
+ self.config.quantization_embeddings = quantize_embeddings
1276
+
1277
+ self.transformer = quantize(self.transformer, bits, use_quantization_cache=use_quantization_cache, empty_init=empty_init, **kwargs)
1278
+
1279
+ if quantize_embeddings:
1280
+ logger.info("Applying quantization to embeddings")
1281
+ self.transformer.word_embeddings = QuantizedEmbedding(
1282
+ weight_bit_width=bits,
1283
+ weight_tensor=self.transformer.word_embeddings.weight.to(self.device),
1284
+ num_embeddings=self.transformer.word_embeddings.num_embeddings,
1285
+ embedding_dim=self.transformer.word_embeddings.embedding_dim,
1286
+ dtype=torch.half,
1287
+ device=self.transformer.word_embeddings.weight.device,
1288
+ )
1289
+ self.lm_head = QuantizedLinear(
1290
+ weight_bit_width=bits,
1291
+ weight_tensor=self.lm_head.weight.to(self.device),
1292
+ bias_tensor=None,
1293
+ in_features=self.lm_head.in_features,
1294
+ out_features=self.lm_head.out_features,
1295
+ bias=False,
1296
+ quantized_weight=self.transformer.word_embeddings.weight,
1297
+ quantized_weight_scale=self.transformer.word_embeddings.weight_scale,
1298
+ dtype=torch.half,
1299
+ device=self.lm_head.weight.device,
1300
+ )
1301
+
1302
+ return self
models/models--silver--chatglm-6b-int4-slim/snapshots/02e096b3805c579caf5741a6d8eddd5ba7a74e0d/pytorch_model.bin ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:1cd6407b0c7cba4e3b5ad3369f1d576a87d7c51ad2d9e4298c66aaf45d8fa8d8
3
+ size 4058984265
models/models--silver--chatglm-6b-int4-slim/snapshots/02e096b3805c579caf5741a6d8eddd5ba7a74e0d/quantization.py ADDED
@@ -0,0 +1,469 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ from torch.nn import Linear, Embedding
2
+ from torch.nn.parameter import Parameter
3
+ import torch.nn.functional as F
4
+
5
+ import os
6
+ import bz2
7
+ import torch
8
+ import base64
9
+ import ctypes
10
+
11
+ from typing import List
12
+ from functools import partial
13
+ from cpm_kernels.kernels.base import LazyKernelCModule, KernelFunction, round_up
14
+
15
+
16
+ class W8A16Linear(torch.autograd.Function):
17
+ @staticmethod
18
+ def forward(ctx, inp: torch.Tensor, quant_w: torch.Tensor, scale_w: torch.Tensor, weight_bit_width):
19
+ ctx.inp_shape = inp.size()
20
+ ctx.weight_shape = quant_w.size()
21
+ ctx.weight_bit_width = weight_bit_width
22
+ out_features = quant_w.size(0)
23
+ inp = inp.contiguous().view(-1, inp.size(-1))
24
+ weight = extract_weight_to_half(quant_w, scale_w, weight_bit_width)
25
+ output = inp.mm(weight.t())
26
+ ctx.save_for_backward(inp, quant_w, scale_w)
27
+ return output.view(*(ctx.inp_shape[:-1] + (out_features,)))
28
+
29
+ @staticmethod
30
+ def backward(ctx, grad_output: torch.Tensor):
31
+ inp, quant_w, scale_w = ctx.saved_tensors
32
+ weight = extract_weight_to_half(quant_w, scale_w, ctx.weight_bit_width)
33
+ grad_output = grad_output.contiguous().view(-1, weight.size(0))
34
+ grad_input = grad_output.mm(weight)
35
+ grad_weight = grad_output.t().mm(inp)
36
+ return grad_input.view(ctx.inp_shape), grad_weight.view(ctx.weight_shape), None
37
+
38
+
39
+ class W8A16LinearCPU(torch.autograd.Function):
40
+ @staticmethod
41
+ def forward(ctx, inp: torch.Tensor, quant_w: torch.Tensor, scale_w: torch.Tensor, weight_bit_width, quantization_cache=None):
42
+ ctx.inp_shape = inp.size()
43
+ ctx.weight_shape = quant_w.size()
44
+ ctx.weight_bit_width = weight_bit_width
45
+ out_features = quant_w.size(0)
46
+ inp = inp.contiguous().view(-1, inp.size(-1))
47
+ weight = extract_weight_to_float(quant_w, scale_w, weight_bit_width, quantization_cache=quantization_cache)
48
+ output = inp.mm(weight.t())
49
+ ctx.save_for_backward(inp, quant_w, scale_w)
50
+ return output.view(*(ctx.inp_shape[:-1] + (out_features,)))
51
+
52
+ @staticmethod
53
+ def backward(ctx, grad_output: torch.Tensor):
54
+ inp, quant_w, scale_w = ctx.saved_tensors
55
+ weight = extract_weight_to_float(quant_w, scale_w, ctx.weight_bit_width)
56
+ grad_output = grad_output.contiguous().view(-1, weight.size(0))
57
+ grad_input = grad_output.mm(weight)
58
+ grad_weight = grad_output.t().mm(inp)
59
+ return grad_input.view(ctx.inp_shape), grad_weight.view(ctx.weight_shape), None
60
+
61
+
62
+ class Kernel:
63
+ def __init__(self, code: bytes, function_names: List[str]):
64
+ self.code = code
65
+ self._function_names = function_names
66
+ self._cmodule = LazyKernelCModule(self.code)
67
+
68
+ for name in self._function_names:
69
+ setattr(self, name, KernelFunction(self._cmodule, name))
70
+
71
+ default_cpu_kernel_code_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "quantization_kernels.c")
72
+ default_cpu_kernel_code = "QlpoOTFBWSZTWXLbSoQAAgzbgERwQXxmTwAAr/ff3kABt0Q2oRVT0hpo9RtEAAAAyBEiSQ9EGjQGQAAAwANGhowjJoNGmgMEUplMTNSMJ5TQaDJpsoMyRMj8P4mZzFSVVwqSXG8GG7MlVwiToYEQwVD7noBxMhNfkeZYtYFtbgOBUSIGtIQjhNHCEnPJsadhb3yBmRIOD3TeAtNLSaU5GgvKUBWSNuuOIHmVt0YhW6rsmDMDUjeUJGJ64R1Jm5lrh0Aa0tKjhFwPdWcGogxLDSXPWQUWTM8Sd3Qz1HMYNxx3HMeiNqNo4jeRDEfZ3gUSHIcU/heomq0vEzL1Msz5KKGxH8FrNOYw3KaxdqaEmNHYMxJFgQbR0DyRknL2L4kwUSxKRdhjRpEtUqilVfggFL1klaMS3PPRDfNqbBOPWO7m4JTVGhS9QTBDDJaEbLbrUQNB+IpJSKQbG5SZZ5gkwJEhJ3aYKJipZ/i7kinChIOW2lQg"
73
+ default_cpu_parallel_kernel_code_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "quantization_kernels_parallel.c")
74
+ default_cpu_parallel_kernel_code = "QlpoOTFBWSZTWZzWK2UAALXbgERwSX1mTwAAr/ff3kACNyXSbZYwBpoaNGIyAaADQwRRFT/UKDINANqAD1NABFQlPUzaaJHppGRmoAG01ARKKaaMp4gmgaNAaDQDIKVKfZ/g6v1Kem5ZsWZmZtSXS5ZwRAzKmjr1E1lKMEoQNCPkEYPACgcR5I9w/0k6JrJYHqFuHnChcD7N+DHeOQ0ajF83Tc40jgmQbOB5wt3TEHyTObDBLoxrJGBuJmNbxYZwAoKTjbIcI7GsbuVRERAR8wqwhXQjQOxiHQlgSnHjQjddXERojNmQYJJVoM2xxawMeI9asi6E1rfd7GO8S0S5vacCNGry4F1nyZbcTvSBXEMipuPfM7i0Y8kjirpbxb05jpIQjCGE8DYBNCAZyHz9EoOpDRST/I1aFCNpcjoXgyc3NjVsUvYIaYq7xopYJqcxg2g4qXofm7AaGNTzJSNguOQw4utKcEl0F1UOgI+T1hk5LusbGZ9udC1CiBeGwwFxR/QdbZDndehRPxyGt3Me1DBW45MXIY24ZD30aFNuSEUdu5LWx1sSJWLGgsmqUIFTgWhU0gfxXpzhghr2AYpV3hE06mGk1I2JyuZiFgkiz/i7kinChITmsVso"
75
+
76
+
77
+ class CPUKernel:
78
+ def __init__(self, kernel_file="", source_code=default_cpu_kernel_code_path, compile_parallel_kernel=None, parallel_num=None):
79
+ self.load =False
80
+ self.int8WeightExtractionFloat = None
81
+ self.int4WeightExtractionFloat = None
82
+ self.int4WeightCompression = None
83
+ self.SetNumThreads = None
84
+
85
+ try:
86
+ if not os.path.exists(default_cpu_kernel_code_path):
87
+ with open(default_cpu_kernel_code_path, "w", encoding="utf-8") as file:
88
+ code = default_cpu_kernel_code
89
+ cpu_quantization_code = bz2.decompress(base64.b64decode(code)).decode()
90
+ file.write(cpu_quantization_code)
91
+
92
+ if not os.path.exists(default_cpu_parallel_kernel_code_path):
93
+ with open(default_cpu_parallel_kernel_code_path, "w", encoding="utf-8") as file:
94
+ code = default_cpu_parallel_kernel_code
95
+ cpu_quantization_code = bz2.decompress(base64.b64decode(code)).decode()
96
+ file.write(cpu_quantization_code)
97
+
98
+ except Exception as ex:
99
+ print("Error when generating default cpu kernel code(can be ignored when using custom kernels).")
100
+
101
+ if compile_parallel_kernel is None:
102
+ compile_parallel_kernel = bool(int(os.cpu_count()) >= 4)
103
+
104
+ if compile_parallel_kernel and source_code == default_cpu_kernel_code_path:
105
+ source_code = default_cpu_parallel_kernel_code_path
106
+
107
+ if (not kernel_file) or (not os.path.exists(kernel_file)):
108
+ print("No compiled kernel found.")
109
+ try:
110
+ if os.path.exists(source_code):
111
+ print("Compiling kernels :", source_code)
112
+ kernel_file = source_code[:-2] + ".so"
113
+ if compile_parallel_kernel:
114
+ compile_command = "gcc -O3 -pthread -fopenmp -std=c99 {} -shared -o {}".format(source_code, kernel_file)
115
+ print("Compiling", compile_command)
116
+ exit_state = os.system(compile_command)
117
+ if exit_state:
118
+ print("Compile failed, using default cpu kernel code.")
119
+ compile_parallel_kernel = False
120
+ source_code = default_cpu_kernel_code_path
121
+ kernel_file = source_code[:-2] + ".so"
122
+ compile_command = "gcc -O3 -fPIC -std=c99 {} -shared -o {}".format(source_code, kernel_file)
123
+ print("Compiling", compile_command)
124
+ else:
125
+ compile_command = "gcc -O3 -fPIC -std=c99 {} -shared -o {}".format(source_code, kernel_file)
126
+ print("Compiling", compile_command)
127
+ exit_state = os.system(compile_command)
128
+
129
+ print("Kernels compiled :", kernel_file)
130
+ else:
131
+ print("Kernel source code not found.")
132
+ return
133
+ except:
134
+ print("Failed to build kernel.")
135
+ return
136
+ if kernel_file:
137
+ kernels = ctypes.cdll.LoadLibrary(kernel_file)
138
+ self.int8WeightExtractionFloat = kernels.extract_int8_weight_to_float
139
+ self.int4WeightExtractionFloat = kernels.extract_int4_weight_to_float
140
+ self.int4WeightCompression = kernels.compress_int4_weight
141
+ if compile_parallel_kernel:
142
+ try:
143
+ self.SetNumThreads = kernels.set_num_threads
144
+ except:
145
+ print("No set_num_threads() found in kernel.")
146
+ self.SetNumThreads = lambda x: x
147
+ self.load = True
148
+ print("Load kernel :", kernel_file)
149
+ else:
150
+ print("Failed to load kernel.")
151
+
152
+ if compile_parallel_kernel:
153
+ if parallel_num is None:
154
+ parallel_num = max(os.cpu_count() // 2, 1)
155
+ print("Setting CPU quantization kernel threads to", parallel_num)
156
+ if parallel_num < 4:
157
+ print("Parallel kernel is not recommended when parallel num < 4.")
158
+ self.SetNumThreads(parallel_num)
159
+
160
+ self.parallel_num = parallel_num
161
+
162
+
163
+ cpu_kernels = None
164
+
165
+ quantization_code = "$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"
166
+
167
+ kernels = Kernel(
168
+ bz2.decompress(base64.b64decode(quantization_code)),
169
+ [
170
+ "int4WeightCompression",
171
+ "int4WeightExtractionFloat",
172
+ "int4WeightExtractionHalf",
173
+ "int8WeightExtractionFloat",
174
+ "int8WeightExtractionHalf",
175
+ ],
176
+ )
177
+
178
+
179
+ def compress_int4_weight(weight: torch.Tensor): # (n, m)
180
+ """compress weight on cpu or cuda to int4"""
181
+ if weight.device == torch.device("cpu"):
182
+ assert isinstance(cpu_kernels, CPUKernel)
183
+ n, m = weight.size(0), weight.size(1)
184
+ assert m % 2 == 0
185
+ m = m // 2
186
+ out = torch.empty(n, m, dtype=torch.int8, device="cpu")
187
+ cpu_kernels.int4WeightCompression(
188
+ ctypes.c_void_p(weight.data_ptr()),
189
+ ctypes.c_void_p(out.data_ptr()),
190
+ ctypes.c_int32(n),
191
+ ctypes.c_int32(m)
192
+ )
193
+ return out
194
+ else:
195
+ with torch.cuda.device(weight.device):
196
+ n, m = weight.size(0), weight.size(1)
197
+ assert m % 2 == 0
198
+ m = m // 2
199
+ out = torch.empty(n, m, dtype=torch.int8, device="cuda")
200
+ stream = torch.cuda.current_stream()
201
+
202
+ gridDim = (n, 1, 1)
203
+ blockDim = (min(round_up(m, 32), 1024), 1, 1)
204
+
205
+ kernels.int4WeightCompression(
206
+ gridDim,
207
+ blockDim,
208
+ 0,
209
+ stream,
210
+ [ctypes.c_void_p(weight.data_ptr()), ctypes.c_void_p(out.data_ptr()), ctypes.c_int32(n), ctypes.c_int32(m)],
211
+ )
212
+ return out
213
+
214
+
215
+ def extract_weight_to_half(weight: torch.Tensor, scale_list: torch.Tensor, source_bit_width: int):
216
+ if source_bit_width == 8:
217
+ func = kernels.int8WeightExtractionHalf
218
+ elif source_bit_width == 4:
219
+ func = kernels.int4WeightExtractionHalf
220
+ else:
221
+ assert False, "Unsupported bit-width"
222
+
223
+ with torch.cuda.device(weight.device):
224
+ n, m = weight.size(0), weight.size(1)
225
+ out = torch.empty(n, m * (8 // source_bit_width), dtype=torch.half, device="cuda")
226
+ stream = torch.cuda.current_stream()
227
+
228
+ gridDim = (n, 1, 1)
229
+ blockDim = (min(round_up(m, 32), 1024), 1, 1)
230
+
231
+ func(
232
+ gridDim,
233
+ blockDim,
234
+ 0,
235
+ stream,
236
+ [
237
+ ctypes.c_void_p(weight.data_ptr()),
238
+ ctypes.c_void_p(scale_list.data_ptr()),
239
+ ctypes.c_void_p(out.data_ptr()),
240
+ ctypes.c_int32(n),
241
+ ctypes.c_int32(m),
242
+ ],
243
+ )
244
+ return out
245
+
246
+
247
+ def extract_weight_to_float(weight: torch.Tensor, scale_list: torch.Tensor, source_bit_width: int, quantization_cache=None):
248
+ """extract weight on cpu to float32"""
249
+ if source_bit_width == 8:
250
+ func = cpu_kernels.int8WeightExtractionFloat
251
+ elif source_bit_width == 4:
252
+ func = cpu_kernels.int4WeightExtractionFloat
253
+ else:
254
+ assert False, "Unsupported bit-width"
255
+
256
+ n, m = weight.size(0), weight.size(1)
257
+
258
+ if quantization_cache is not None:
259
+ out = quantization_cache
260
+ func(
261
+ ctypes.c_void_p(weight.data_ptr()),
262
+ ctypes.c_void_p(scale_list.data_ptr()),
263
+ ctypes.c_void_p(out.data_ptr()),
264
+ ctypes.c_int32(n),
265
+ ctypes.c_int32(m)
266
+ )
267
+ return out.tensor
268
+ else:
269
+ out = torch.empty(n, m * (8 // source_bit_width), dtype=torch.float, device="cpu")
270
+ func(
271
+ ctypes.c_void_p(weight.data_ptr()),
272
+ ctypes.c_void_p(scale_list.data_ptr()),
273
+ ctypes.c_void_p(out.data_ptr()),
274
+ ctypes.c_int32(n),
275
+ ctypes.c_int32(m)
276
+ )
277
+ return out
278
+
279
+
280
+ class CacheTensor():
281
+ def __init__(self, *args, **kwargs):
282
+ self.tensor = torch.empty(*args, **kwargs)
283
+
284
+ def to(self, *args, **kwargs):
285
+ self.tensor = self.tensor.to(*args, **kwargs)
286
+
287
+ def data_ptr(self):
288
+ return self.tensor.data_ptr()
289
+
290
+
291
+ class QuantizedLinear(Linear):
292
+ def __init__(self, weight_bit_width: int, weight_tensor=None, bias_tensor=None, quantized_weight=None, quantized_weight_scale=None, quantization_cache=None, empty_init=False, *args, **kwargs):
293
+ super(QuantizedLinear, self).__init__(*args, **kwargs)
294
+ self.weight_bit_width = weight_bit_width
295
+ self.quantization_cache = quantization_cache
296
+
297
+ if (quantized_weight is not None) and (quantized_weight_scale is not None):
298
+ del self.weight
299
+ self.weight = Parameter(quantized_weight.to(kwargs["device"]), requires_grad=False)
300
+ self.weight_scale = Parameter(quantized_weight_scale.to(kwargs["device"]), requires_grad=False)
301
+ else:
302
+ shape = self.weight.shape
303
+ del self.weight
304
+
305
+ if weight_tensor is None or empty_init:
306
+ self.weight = torch.empty(
307
+ shape[0], shape[1] * weight_bit_width // 8, dtype=torch.int8, device=kwargs["device"]
308
+ )
309
+ self.weight_scale = torch.empty(shape[0], dtype=kwargs["dtype"], device=kwargs["device"])
310
+ else:
311
+ self.weight_scale = (weight_tensor.abs().max(dim=-1).values / ((2 ** (weight_bit_width - 1)) - 1)).to(kwargs["dtype"])
312
+ self.weight = torch.round(weight_tensor / self.weight_scale[:, None]).to(torch.int8)
313
+ if weight_bit_width == 4:
314
+ self.weight = compress_int4_weight(self.weight)
315
+
316
+ self.weight = Parameter(self.weight.to(kwargs["device"]), requires_grad=False)
317
+ self.weight_scale = Parameter(self.weight_scale.to(kwargs["device"]), requires_grad=False)
318
+
319
+ if bias_tensor is not None:
320
+ self.bias = Parameter(bias_tensor.to(kwargs["device"]), requires_grad=False)
321
+ else:
322
+ self.bias = None
323
+
324
+ def reset_parameters(self):
325
+ """To accelerate initialization"""
326
+ pass
327
+
328
+ def forward(self, input):
329
+ if self.weight.device == torch.device("cpu"):
330
+ output = W8A16LinearCPU.apply(input, self.weight, self.weight_scale, self.weight_bit_width, self.quantization_cache)
331
+ else:
332
+ output = W8A16Linear.apply(input, self.weight, self.weight_scale, self.weight_bit_width)
333
+ if self.bias is not None:
334
+ output = output + self.bias
335
+ return output
336
+
337
+ def _apply(self, fn):
338
+ self_obj = super()._apply(fn)
339
+ if self.quantization_cache is not None:
340
+ self.quantization_cache.to(self_obj.weight.device)
341
+ self.quantization_cache.to(self_obj.weight_scale.dtype)
342
+ return self_obj
343
+
344
+
345
+ class QuantizedEmbedding(Embedding): # TODO: backward, check empty_init
346
+ def __init__(self, weight_bit_width: int, weight_tensor=None, quantized_weight=None, quantized_weight_scale=None, empty_init=False, *args, **kwargs):
347
+ super(QuantizedEmbedding, self).__init__(*args, **kwargs)
348
+ self.weight_bit_width = weight_bit_width
349
+
350
+ if (quantized_weight is not None) and (quantized_weight_scale is not None):
351
+ del self.weight
352
+ self.weight = Parameter(quantized_weight.to(kwargs["device"]), requires_grad=False)
353
+ self.weight_scale = Parameter(quantized_weight_scale.to(kwargs["device"]), requires_grad=False)
354
+ else:
355
+ shape = self.weight.shape
356
+ del self.weight
357
+
358
+ if weight_tensor is None or empty_init:
359
+ self.weight = torch.empty(
360
+ shape[0], shape[1] * weight_bit_width // 8, dtype=torch.int8, device=kwargs["device"]
361
+ )
362
+ self.weight_scale = torch.empty(shape[0], dtype=kwargs["dtype"], device=kwargs["device"])
363
+ else:
364
+ self.weight_scale = (weight_tensor.abs().max(dim=-1).values / ((2 ** (weight_bit_width - 1)) - 1)).half()
365
+ self.weight = torch.round(weight_tensor / self.weight_scale[:, None]).to(torch.int8)
366
+ if weight_bit_width == 4:
367
+ self.weight = compress_int4_weight(self.weight)
368
+
369
+ self.weight = Parameter(self.weight.to(kwargs["device"]), requires_grad=False)
370
+ self.weight_scale = Parameter(self.weight_scale.to(kwargs["device"]), requires_grad=False)
371
+
372
+ def forward(self, input):
373
+ if self.weight.device == torch.device("cpu"):
374
+ original_weight = extract_weight_to_float(weight=self.weight, scale_list=self.weight_scale, source_bit_width=self.weight_bit_width)
375
+ else:
376
+ original_weight = extract_weight_to_half(weight=self.weight, scale_list=self.weight_scale, source_bit_width=self.weight_bit_width)
377
+ output = F.embedding(
378
+ input, original_weight, self.padding_idx, self.max_norm,
379
+ self.norm_type, self.scale_grad_by_freq, self.sparse
380
+ )
381
+ return output
382
+
383
+
384
+ def load_cpu_kernel(**kwargs):
385
+ global cpu_kernels
386
+ cpu_kernels = CPUKernel(**kwargs)
387
+ assert cpu_kernels.load
388
+
389
+
390
+ def quantize(model, weight_bit_width, use_quantization_cache=False, empty_init=False, **kwargs):
391
+ """Replace fp16 linear with quantized linear"""
392
+
393
+ query_key_value_quantization_cache = None
394
+ dense_quantization_cache = None
395
+ dense_h_to_4h_quantization_cache = None
396
+ dense_4h_to_h_quantization_cache = None
397
+
398
+ try:
399
+ load_cpu_kernel(**kwargs)
400
+ except:
401
+ print("Cannot load cpu kernel, don't use quantized model on cpu.")
402
+
403
+ current_device = model.device
404
+
405
+ if model.device == torch.device("cpu"):
406
+ dtype=torch.float32
407
+ else:
408
+ dtype = torch.half
409
+
410
+ QuantizedLinearWithPara = partial(
411
+ QuantizedLinear,
412
+ weight_bit_width=weight_bit_width,
413
+ bias=True,
414
+ dtype=dtype,
415
+ empty_init=empty_init
416
+ )
417
+
418
+ if use_quantization_cache:
419
+ print("Using quantization cache")
420
+ layer = model.layers[0]
421
+ weight = layer.attention.query_key_value.weight
422
+ n, m = weight.size(0), weight.size(1)
423
+ query_key_value_quantization_cache = CacheTensor(n, m, dtype=dtype, device=current_device, requires_grad=False)
424
+ weight = layer.attention.dense.weight
425
+ n, m = weight.size(0), weight.size(1)
426
+ dense_quantization_cache = CacheTensor(n, m, dtype=dtype, device=current_device, requires_grad=False)
427
+ weight = layer.mlp.dense_h_to_4h.weight
428
+ n, m = weight.size(0), weight.size(1)
429
+ dense_h_to_4h_quantization_cache = CacheTensor(n, m, dtype=dtype, device=current_device, requires_grad=False)
430
+ weight = layer.mlp.dense_4h_to_h.weight
431
+ n, m = weight.size(0), weight.size(1)
432
+ dense_4h_to_h_quantization_cache = CacheTensor(n, m, dtype=dtype, device=current_device, requires_grad=False)
433
+
434
+ print("Applying quantization to glm layers")
435
+
436
+ for layer in model.layers:
437
+ layer.attention.query_key_value = QuantizedLinearWithPara(
438
+ weight_tensor=layer.attention.query_key_value.weight.to(current_device),
439
+ bias_tensor=layer.attention.query_key_value.bias,
440
+ in_features=layer.attention.query_key_value.in_features,
441
+ out_features=layer.attention.query_key_value.out_features,
442
+ device=layer.attention.query_key_value.weight.device,
443
+ quantization_cache=query_key_value_quantization_cache
444
+ )
445
+ layer.attention.dense = QuantizedLinearWithPara(
446
+ weight_tensor=layer.attention.dense.weight.to(current_device),
447
+ bias_tensor=layer.attention.dense.bias,
448
+ in_features=layer.attention.dense.in_features,
449
+ out_features=layer.attention.dense.out_features,
450
+ device=layer.attention.dense.weight.device,
451
+ quantization_cache=dense_quantization_cache
452
+ )
453
+ layer.mlp.dense_h_to_4h = QuantizedLinearWithPara(
454
+ weight_tensor=layer.mlp.dense_h_to_4h.weight.to(current_device),
455
+ bias_tensor=layer.mlp.dense_h_to_4h.bias,
456
+ in_features=layer.mlp.dense_h_to_4h.in_features,
457
+ out_features=layer.mlp.dense_h_to_4h.out_features,
458
+ device=layer.mlp.dense_h_to_4h.weight.device,
459
+ quantization_cache=dense_h_to_4h_quantization_cache
460
+ )
461
+ layer.mlp.dense_4h_to_h = QuantizedLinearWithPara(
462
+ weight_tensor=layer.mlp.dense_4h_to_h.weight.to(current_device),
463
+ bias_tensor=layer.mlp.dense_4h_to_h.bias,
464
+ in_features=layer.mlp.dense_4h_to_h.in_features,
465
+ out_features=layer.mlp.dense_4h_to_h.out_features,
466
+ device=layer.mlp.dense_4h_to_h.weight.device,
467
+ quantization_cache=dense_4h_to_h_quantization_cache
468
+ )
469
+ return model
models/models--silver--chatglm-6b-int4-slim/snapshots/02e096b3805c579caf5741a6d8eddd5ba7a74e0d/tokenization_chatglm.py ADDED
@@ -0,0 +1,336 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ """Tokenization classes for ChatGLM."""
2
+ import sys
3
+ import unicodedata
4
+ from typing import List, Optional, Union
5
+ from functools import lru_cache
6
+ import os
7
+ import collections
8
+ import re
9
+
10
+ from transformers.tokenization_utils import PreTrainedTokenizer
11
+ from icetk.text_tokenizer import TextTokenizer
12
+ from icetk.utils import auto_create
13
+ import icetk.sentencepiece_model_pb2 as sp_model
14
+ from transformers.utils import logging
15
+
16
+ logger = logging.get_logger(__name__)
17
+
18
+ PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES = {
19
+ "silver/chatglm-6b-int4-slim": 2048,
20
+ }
21
+
22
+
23
+ class SPTokenizer:
24
+ def __init__(
25
+ self,
26
+ vocab_file,
27
+ max_blank_length=80,
28
+ byte_fallback=True,
29
+ ):
30
+ assert vocab_file is not None
31
+ self.vocab_file = vocab_file
32
+ self.special_tokens = ["[MASK]", "[gMASK]", "[sMASK]", "<unused_0>", "<sop>", "<eop>", "<ENC>", "<dBLOCK>"]
33
+ self.max_blank_length = max_blank_length
34
+ self.byte_fallback = byte_fallback
35
+ self.text_tokenizer = self._build_text_tokenizer(encode_special_tokens=False)
36
+ self.special_text_tokenizer = self._build_text_tokenizer(encode_special_tokens=True)
37
+
38
+ @staticmethod
39
+ def _configure_tokenizer(
40
+ text_tokenizer: TextTokenizer,
41
+ special_tokens: List[str],
42
+ max_blank_length: int,
43
+ byte_fallback: bool,
44
+ encode_special_tokens=False,
45
+ ):
46
+ # special token
47
+ special_token_type = 4 if encode_special_tokens else 3 # 3 - CONTROL, 4 - USER_DEFINE
48
+ for token in special_tokens:
49
+ text_tokenizer.proto.pieces.append(
50
+ sp_model.ModelProto.SentencePiece(piece=token, score=0.0, type=special_token_type)
51
+ )
52
+ # whitespaces
53
+ for token in [SPTokenizer.get_tab_token()] + [
54
+ SPTokenizer.get_blank_token(i) for i in range(2, max_blank_length + 1)
55
+ ]:
56
+ text_tokenizer.proto.pieces.append(sp_model.ModelProto.SentencePiece(piece=token, score=0.0, type=4))
57
+ # byte fallback
58
+ if byte_fallback:
59
+ text_tokenizer.proto.trainer_spec.byte_fallback = True
60
+ for i in range(256):
61
+ text_tokenizer.proto.pieces.append(
62
+ sp_model.ModelProto.SentencePiece(piece="<0x{:02X}>".format(i), score=0.0, type=6)
63
+ )
64
+ text_tokenizer.refresh()
65
+
66
+ def _build_text_tokenizer(self, encode_special_tokens=False):
67
+ tokenizer = TextTokenizer(self.vocab_file)
68
+ self._configure_tokenizer(
69
+ tokenizer, self.special_tokens, self.max_blank_length, self.byte_fallback, encode_special_tokens
70
+ )
71
+ return tokenizer
72
+
73
+ def _get_text_tokenizer(self, encode_special_tokens=False):
74
+ if encode_special_tokens:
75
+ return self.special_text_tokenizer
76
+ else:
77
+ return self.text_tokenizer
78
+
79
+ @staticmethod
80
+ def get_blank_token(length: int):
81
+ assert length >= 2
82
+ return f"<|blank_{length}|>"
83
+
84
+ @staticmethod
85
+ def get_tab_token():
86
+ return f"<|tab|>"
87
+
88
+ @property
89
+ def num_text_tokens(self):
90
+ return self.text_tokenizer.num_tokens
91
+
92
+ @property
93
+ def num_tokens(self):
94
+ return self.num_text_tokens
95
+
96
+ @staticmethod
97
+ def _encode_whitespaces(text: str, max_len: int = 80):
98
+ text = text.replace("\t", SPTokenizer.get_tab_token())
99
+ for i in range(max_len, 1, -1):
100
+ text = text.replace(" " * i, SPTokenizer.get_blank_token(i))
101
+ return text
102
+
103
+ def _preprocess(self, text: str, linebreak=True, whitespaces=True):
104
+ if linebreak:
105
+ text = text.replace("\n", "<n>")
106
+ if whitespaces:
107
+ text = self._encode_whitespaces(text, max_len=self.max_blank_length)
108
+ return text
109
+
110
+ def encode(
111
+ self, text: str, linebreak=True, whitespaces=True, special_tokens=False, add_dummy_prefix=True
112
+ ) -> List[int]:
113
+ """
114
+ @param text: Text to encode.
115
+ @param linebreak: Whether to encode newline (\n) in text.
116
+ @param whitespaces: Whether to encode multiple whitespaces or tab in text, useful for source code encoding.
117
+ @param special_tokens: Whether to encode special token ([MASK], [gMASK], etc.) in text.
118
+ @param add_dummy_prefix: Whether to add dummy blank space in the beginning.
119
+ """
120
+ text = self._preprocess(text, linebreak, whitespaces)
121
+ if not add_dummy_prefix:
122
+ text = "<n>" + text
123
+ tmp = self._get_text_tokenizer(encode_special_tokens=special_tokens).encode(text)
124
+ tokens = [x for x in tmp]
125
+ return tokens if add_dummy_prefix else tokens[2:]
126
+
127
+ def decode(self, text_ids: List[int], special_tokens=False) -> str:
128
+ ids = [int(_id) for _id in text_ids]
129
+ ids = [_id for _id in ids if _id >= 0]
130
+ text = self._get_text_tokenizer(encode_special_tokens=special_tokens).decode(ids)
131
+ text = text.replace("<n>", "\n")
132
+ text = text.replace(SPTokenizer.get_tab_token(), "\t")
133
+ for i in range(2, self.max_blank_length + 1):
134
+ text = text.replace(self.get_blank_token(i), " " * i)
135
+ return text
136
+
137
+ def tokenize(
138
+ self, text: str, linebreak=True, whitespaces=True, special_tokens=False, add_dummy_prefix=True
139
+ ) -> List[str]:
140
+ """
141
+ @param text: Text to encode.
142
+ @param linebreak: Whether to encode newline (\n) in text.
143
+ @param whitespaces: Whether to encode multiple whitespaces or tab in text, useful for source code encoding.
144
+ @param special_tokens: Whether to encode special token ([MASK], [gMASK], etc.) in text.
145
+ @param add_dummy_prefix: Whether to add dummy blank space in the beginning.
146
+ """
147
+ text = self._preprocess(text, linebreak, whitespaces)
148
+ if not add_dummy_prefix:
149
+ text = "<n>" + text
150
+ tokens = self._get_text_tokenizer(encode_special_tokens=special_tokens).tokenize(text)
151
+ return tokens if add_dummy_prefix else tokens[2:]
152
+
153
+ def __getitem__(self, x: Union[int, str]):
154
+ if isinstance(x, int):
155
+ return self.text_tokenizer.convert_id_to_token(x)
156
+ elif isinstance(x, str):
157
+ return self.text_tokenizer.convert_token_to_id(x)
158
+ else:
159
+ raise ValueError("The key should be str or int.")
160
+
161
+
162
+ class ChatGLMTokenizer(PreTrainedTokenizer):
163
+ """
164
+ Construct a ChatGLM tokenizer. Based on byte-level Byte-Pair-Encoding.
165
+
166
+ Args:
167
+ vocab_file (`str`):
168
+ Path to the vocabulary file.
169
+ """
170
+
171
+ vocab_files_names = {"vocab_file": "ice_text.model"}
172
+ max_model_input_sizes = PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
173
+ model_input_names = ["input_ids"]
174
+
175
+ def __init__(
176
+ self,
177
+ vocab_file,
178
+ do_lower_case=False,
179
+ remove_space=False,
180
+ bos_token='sop',
181
+ eos_token='eos',
182
+ eop_token='eop',
183
+ mask_token='[MASK]',
184
+ gmask_token='[gMASK]',
185
+ padding_side="left",
186
+ **kwargs
187
+ ) -> None:
188
+ super().__init__(
189
+ do_lower_case=do_lower_case,
190
+ remove_space=remove_space,
191
+ padding_side=padding_side,
192
+ **kwargs
193
+ )
194
+
195
+ self.do_lower_case = do_lower_case
196
+ self.remove_space = remove_space
197
+ self.vocab_file = vocab_file
198
+
199
+ self.bos_token = bos_token
200
+ self.eos_token = eos_token
201
+ self.eop_token = eop_token
202
+ self.mask_token = mask_token
203
+ self.gMASK_token = gmask_token
204
+
205
+ self.sp_tokenizer = SPTokenizer(vocab_file)
206
+
207
+ """ Initialisation """
208
+
209
+ @property
210
+ def eop_token_id(self) -> Optional[int]:
211
+ """
212
+ `Optional[int]`: Id of the end of sentence token in the vocabulary. Returns `None` if the token has not been
213
+ set.
214
+ """
215
+ if self.eop_token is None:
216
+ return None
217
+ return self.convert_tokens_to_ids(self.eop_token)
218
+
219
+ @property
220
+ def vocab_size(self):
221
+ """ Returns vocab size """
222
+ return self.sp_tokenizer.num_tokens
223
+
224
+ def get_vocab(self):
225
+ """ Returns vocab as a dict """
226
+ vocab = {self._convert_id_to_token(i): i for i in range(self.vocab_size)}
227
+ vocab.update(self.added_tokens_encoder)
228
+ return vocab
229
+
230
+ def preprocess_text(self, inputs):
231
+ if self.remove_space:
232
+ outputs = " ".join(inputs.strip().split())
233
+ else:
234
+ outputs = inputs
235
+
236
+ if self.do_lower_case:
237
+ outputs = outputs.lower()
238
+
239
+ return outputs
240
+
241
+ def _tokenize(self, text, **kwargs):
242
+ """ Returns a tokenized string. """
243
+ text = self.preprocess_text(text)
244
+
245
+ seq = self.sp_tokenizer.tokenize(text)
246
+
247
+ return seq
248
+
249
+ def decode(
250
+ self,
251
+ token_ids: Union[List[int], List[List[int]]],
252
+ skip_special_tokens: bool = False,
253
+ clean_up_tokenization_spaces: bool = True,
254
+ spaces_between_special_tokens: bool = True,
255
+ **kwargs
256
+ ) -> str:
257
+ if isinstance(token_ids[0], list):
258
+ tokens = []
259
+ for single_token_ids in token_ids:
260
+ if self.pad_token_id in single_token_ids: # remove pad
261
+ single_token_ids = list(filter((self.pad_token_id).__ne__, single_token_ids))
262
+ tokens.append(self.sp_tokenizer.decode(single_token_ids))
263
+ return (tokens)
264
+ else:
265
+ if self.pad_token_id in token_ids: # remove pad
266
+ token_ids = list(filter((self.pad_token_id).__ne__, token_ids))
267
+ return self.sp_tokenizer.decode(token_ids)
268
+
269
+ def _convert_token_to_id(self, token):
270
+ """ Converts a token (str) in an id using the vocab. """
271
+ return self.sp_tokenizer[token]
272
+
273
+ def _convert_id_to_token(self, index):
274
+ """Converts an index (integer) in a token (str) using the vocab."""
275
+ return self.sp_tokenizer[index]
276
+
277
+ def save_vocabulary(self, save_directory, filename_prefix=None):
278
+ """
279
+ Save the vocabulary and special tokens file to a directory.
280
+
281
+ Args:
282
+ save_directory (`str`):
283
+ The directory in which to save the vocabulary.
284
+ filename_prefix (`str`, *optional*):
285
+ An optional prefix to add to the named of the saved files.
286
+
287
+ Returns:
288
+ `Tuple(str)`: Paths to the files saved.
289
+ """
290
+ if os.path.isdir(save_directory):
291
+ vocab_file = os.path.join(
292
+ save_directory, VOCAB_FILES_NAMES["vocab_file"]
293
+ )
294
+ else:
295
+ vocab_file = save_directory
296
+
297
+ with open(self.vocab_file, 'rb') as fin:
298
+ proto_str = fin.read()
299
+
300
+ with open(vocab_file, "wb") as writer:
301
+ writer.write(proto_str)
302
+
303
+ return (vocab_file,)
304
+
305
+ def build_inputs_with_special_tokens(
306
+ self, token_ids_0: List[int], token_ids_1: Optional[List[int]] = None
307
+ ) -> List[int]:
308
+ """
309
+ Build model inputs from a sequence or a pair of sequence for sequence classification tasks by concatenating and
310
+ adding special tokens. A BERT sequence has the following format:
311
+
312
+ - single sequence: `[CLS] X [SEP]`
313
+ - pair of sequences: `[CLS] A [SEP] B [SEP]`
314
+
315
+ Args:
316
+ token_ids_0 (`List[int]`):
317
+ List of IDs to which the special tokens will be added.
318
+ token_ids_1 (`List[int]`, *optional*):
319
+ Optional second list of IDs for sequence pairs.
320
+
321
+ Returns:
322
+ `List[int]`: List of [input IDs](../glossary#input-ids) with the appropriate special tokens.
323
+ """
324
+ if token_ids_1 is not None:
325
+ token_ids_0 += token_ids_1
326
+ mask_ids = self.sp_tokenizer[self.mask_token]
327
+ gmask_ids = self.sp_tokenizer[self.gMASK_token]
328
+ if mask_ids not in token_ids_0 and gmask_ids not in token_ids_0:
329
+ token_ids_0 += [gmask_ids]
330
+
331
+ if token_ids_0[-1] != mask_ids and token_ids_0[-1] != gmask_ids:
332
+ token_ids_0 += [self.sp_tokenizer[self.eos_token]]
333
+
334
+ token_ids_0 += [self.sp_tokenizer[self.bos_token]]
335
+
336
+ return token_ids_0
models/models--silver--chatglm-6b-int4-slim/snapshots/02e096b3805c579caf5741a6d8eddd5ba7a74e0d/tokenizer_config.json ADDED
@@ -0,0 +1,19 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {
2
+ "name_or_path": "THUDM/chatglm-6b",
3
+ "bos_token": "<sop>",
4
+ "eop_token": "<eop>",
5
+ "eos_token": "</s>",
6
+ "gmask_token": "[gMASK]",
7
+ "mask_token": "[MASK]",
8
+ "pad_token": "<pad>",
9
+ "unk_token": "<unk>",
10
+ "remove_space": false,
11
+ "do_lower_case": false,
12
+ "tokenizer_class": "ChatGLMTokenizer",
13
+ "auto_map": {
14
+ "AutoTokenizer": [
15
+ "tokenization_chatglm.ChatGLMTokenizer",
16
+ null
17
+ ]
18
+ }
19
+ }
requirements.txt ADDED
@@ -0,0 +1,13 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ --extra-index-url https://download.pytorch.org/whl/cu113
2
+
3
+ protobuf>=3.19.5,<3.20.1
4
+ transformers==4.26.1
5
+ icetk
6
+ cpm_kernels
7
+ torch==1.12.1+cu113
8
+ gradio
9
+ fastapi
10
+ pydantic
11
+ uvicorn
12
+ sse_starlette
13
+ pyngrok