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init config files

config.json ADDED
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1
+ {
2
+ "add_bias_linear": false,
3
+ "add_qkv_bias": true,
4
+ "apply_query_key_layer_scaling": true,
5
+ "apply_residual_connection_post_layernorm": false,
6
+ "architectures": [
7
+ "ChatGLMForConditionalGeneration"
8
+ ],
9
+ "attention_dropout": 0.0,
10
+ "attention_softmax_in_fp32": true,
11
+ "auto_map": {
12
+ "AutoConfig": "configuration.ChatGLMConfig",
13
+ "AutoModel": "modeling.ChatGLMForConditionalGeneration",
14
+ "AutoModelForCausalLM": "modeling.ChatGLMForConditionalGeneration",
15
+ "AutoModelForSeq2SeqLM": "modeling.ChatGLMForConditionalGeneration",
16
+ "AutoModelForSequenceClassification": "modeling.ChatGLMForSequenceClassification"
17
+ },
18
+ "bias_dropout_fusion": true,
19
+ "classifier_dropout": null,
20
+ "eos_token_id": 2,
21
+ "ffn_hidden_size": 13696,
22
+ "fp32_residual_connection": false,
23
+ "hidden_dropout": 0.0,
24
+ "hidden_size": 4096,
25
+ "kv_channels": 128,
26
+ "layernorm_epsilon": 1e-05,
27
+ "model_type": "chatglm",
28
+ "multi_query_attention": true,
29
+ "multi_query_group_num": 2,
30
+ "num_attention_heads": 32,
31
+ "num_layers": 28,
32
+ "original_rope": true,
33
+ "pad_token_id": 0,
34
+ "padded_vocab_size": 65024,
35
+ "post_layer_norm": true,
36
+ "pre_seq_len": null,
37
+ "prefix_projection": false,
38
+ "quantization_bit": 0,
39
+ "rmsnorm": true,
40
+ "seq_length": 8192,
41
+ "tie_word_embeddings": false,
42
+ "torch_dtype": "float16",
43
+ "transformers_version": "4.34.0",
44
+ "use_cache": true,
45
+ "vocab_size": 65024
46
+ }
configuration.py ADDED
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1
+ from transformers import PretrainedConfig
2
+
3
+
4
+ class ChatGLMConfig(PretrainedConfig):
5
+ model_type = "chatglm"
6
+ def __init__(
7
+ self,
8
+ num_layers=28,
9
+ padded_vocab_size=65024,
10
+ hidden_size=4096,
11
+ ffn_hidden_size=13696,
12
+ kv_channels=128,
13
+ num_attention_heads=32,
14
+ seq_length=2048,
15
+ hidden_dropout=0.0,
16
+ classifier_dropout=None,
17
+ attention_dropout=0.0,
18
+ layernorm_epsilon=1e-5,
19
+ rmsnorm=True,
20
+ apply_residual_connection_post_layernorm=False,
21
+ post_layer_norm=True,
22
+ add_bias_linear=False,
23
+ add_qkv_bias=False,
24
+ bias_dropout_fusion=True,
25
+ multi_query_attention=False,
26
+ multi_query_group_num=1,
27
+ apply_query_key_layer_scaling=True,
28
+ attention_softmax_in_fp32=True,
29
+ fp32_residual_connection=False,
30
+ quantization_bit=0,
31
+ pre_seq_len=None,
32
+ prefix_projection=False,
33
+ **kwargs
34
+ ):
35
+ self.num_layers = num_layers
36
+ self.vocab_size = padded_vocab_size
37
+ self.padded_vocab_size = padded_vocab_size
38
+ self.hidden_size = hidden_size
39
+ self.ffn_hidden_size = ffn_hidden_size
40
+ self.kv_channels = kv_channels
41
+ self.num_attention_heads = num_attention_heads
42
+ self.seq_length = seq_length
43
+ self.hidden_dropout = hidden_dropout
44
+ self.classifier_dropout = classifier_dropout
45
+ self.attention_dropout = attention_dropout
46
+ self.layernorm_epsilon = layernorm_epsilon
47
+ self.rmsnorm = rmsnorm
48
+ self.apply_residual_connection_post_layernorm = apply_residual_connection_post_layernorm
49
+ self.post_layer_norm = post_layer_norm
50
+ self.add_bias_linear = add_bias_linear
51
+ self.add_qkv_bias = add_qkv_bias
52
+ self.bias_dropout_fusion = bias_dropout_fusion
53
+ self.multi_query_attention = multi_query_attention
54
+ self.multi_query_group_num = multi_query_group_num
55
+ self.apply_query_key_layer_scaling = apply_query_key_layer_scaling
56
+ self.attention_softmax_in_fp32 = attention_softmax_in_fp32
57
+ self.fp32_residual_connection = fp32_residual_connection
58
+ self.quantization_bit = quantization_bit
59
+ self.pre_seq_len = pre_seq_len
60
+ self.prefix_projection = prefix_projection
61
+ super().__init__(**kwargs)
generation_config.json ADDED
@@ -0,0 +1,6 @@
 
 
 
 
 
 
 
1
+ {
2
+ "_from_model_config": true,
3
+ "eos_token_id": 2,
4
+ "pad_token_id": 0,
5
+ "transformers_version": "4.34.0"
6
+ }
modeling.py ADDED
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1
+ """ PyTorch ChatGLM model. """
2
+
3
+ import math
4
+ import copy
5
+ import warnings
6
+ import re
7
+ import sys
8
+
9
+ import torch
10
+ import torch.utils.checkpoint
11
+ import torch.nn.functional as F
12
+ from torch import nn
13
+ from torch.nn import CrossEntropyLoss, LayerNorm, MSELoss, BCEWithLogitsLoss
14
+ from torch.nn.utils import skip_init
15
+ from typing import Optional, Tuple, Union, List, Callable, Dict, Any
16
+ from copy import deepcopy
17
+
18
+ from transformers.modeling_outputs import (
19
+ BaseModelOutputWithPast,
20
+ CausalLMOutputWithPast,
21
+ SequenceClassifierOutputWithPast,
22
+ )
23
+ from transformers.modeling_utils import PreTrainedModel
24
+ from transformers.utils import logging
25
+ from transformers.generation.logits_process import LogitsProcessor
26
+ from transformers.generation.utils import LogitsProcessorList, StoppingCriteriaList, GenerationConfig, ModelOutput
27
+
28
+ from .configuration import ChatGLMConfig
29
+
30
+ # flags required to enable jit fusion kernels
31
+
32
+ if sys.platform != 'darwin':
33
+ torch._C._jit_set_profiling_mode(False)
34
+ torch._C._jit_set_profiling_executor(False)
35
+ torch._C._jit_override_can_fuse_on_cpu(True)
36
+ torch._C._jit_override_can_fuse_on_gpu(True)
37
+
38
+ logger = logging.get_logger(__name__)
39
+
40
+
41
+
42
+ def default_init(cls, *args, **kwargs):
43
+ return cls(*args, **kwargs)
44
+
45
+
46
+ class InvalidScoreLogitsProcessor(LogitsProcessor):
47
+ def __call__(self, input_ids: torch.LongTensor, scores: torch.FloatTensor) -> torch.FloatTensor:
48
+ if torch.isnan(scores).any() or torch.isinf(scores).any():
49
+ scores.zero_()
50
+ scores[..., 5] = 5e4
51
+ return scores
52
+
53
+
54
+ class PrefixEncoder(torch.nn.Module):
55
+ """
56
+ The torch.nn model to encode the prefix
57
+ Input shape: (batch-size, prefix-length)
58
+ Output shape: (batch-size, prefix-length, 2*layers*hidden)
59
+ """
60
+
61
+ def __init__(self, config: ChatGLMConfig):
62
+ super().__init__()
63
+ self.prefix_projection = config.prefix_projection
64
+ if self.prefix_projection:
65
+ # Use a two-layer MLP to encode the prefix
66
+ kv_size = config.num_layers * config.kv_channels * config.multi_query_group_num * 2
67
+ self.embedding = torch.nn.Embedding(config.pre_seq_len, kv_size)
68
+ self.trans = torch.nn.Sequential(
69
+ torch.nn.Linear(kv_size, config.hidden_size),
70
+ torch.nn.Tanh(),
71
+ torch.nn.Linear(config.hidden_size, kv_size)
72
+ )
73
+ else:
74
+ self.embedding = torch.nn.Embedding(config.pre_seq_len,
75
+ config.num_layers * config.kv_channels * config.multi_query_group_num * 2)
76
+
77
+ def forward(self, prefix: torch.Tensor):
78
+ if self.prefix_projection:
79
+ prefix_tokens = self.embedding(prefix)
80
+ past_key_values = self.trans(prefix_tokens)
81
+ else:
82
+ past_key_values = self.embedding(prefix)
83
+ return past_key_values
84
+
85
+
86
+ def split_tensor_along_last_dim(
87
+ tensor: torch.Tensor,
88
+ num_partitions: int,
89
+ contiguous_split_chunks: bool = False,
90
+ ) -> List[torch.Tensor]:
91
+ """Split a tensor along its last dimension.
92
+
93
+ Arguments:
94
+ tensor: input tensor.
95
+ num_partitions: number of partitions to split the tensor
96
+ contiguous_split_chunks: If True, make each chunk contiguous
97
+ in memory.
98
+
99
+ Returns:
100
+ A list of Tensors
101
+ """
102
+ # Get the size and dimension.
103
+ last_dim = tensor.dim() - 1
104
+ last_dim_size = tensor.size()[last_dim] // num_partitions
105
+ # Split.
106
+ tensor_list = torch.split(tensor, last_dim_size, dim=last_dim)
107
+ # Note: torch.split does not create contiguous tensors by default.
108
+ if contiguous_split_chunks:
109
+ return tuple(chunk.contiguous() for chunk in tensor_list)
110
+
111
+ return tensor_list
112
+
113
+
114
+ class RotaryEmbedding(nn.Module):
115
+ def __init__(self, dim, original_impl=False, device=None, dtype=None):
116
+ super().__init__()
117
+ inv_freq = 1.0 / (10000 ** (torch.arange(0, dim, 2, device=device).to(dtype=dtype) / dim))
118
+ self.register_buffer("inv_freq", inv_freq)
119
+ self.dim = dim
120
+ self.original_impl = original_impl
121
+
122
+ def forward_impl(
123
+ self, seq_len: int, n_elem: int, dtype: torch.dtype, device: torch.device, base: int = 10000
124
+ ):
125
+ """Enhanced Transformer with Rotary Position Embedding.
126
+
127
+ Derived from: https://github.com/labmlai/annotated_deep_learning_paper_implementations/blob/master/labml_nn/
128
+ transformers/rope/__init__.py. MIT License:
129
+ https://github.com/labmlai/annotated_deep_learning_paper_implementations/blob/master/license.
130
+ """
131
+ # $\Theta = {\theta_i = 10000^{\frac{2(i-1)}{d}}, i \in [1, 2, ..., \frac{d}{2}]}$
132
+ theta = 1.0 / (base ** (torch.arange(0, n_elem, 2, dtype=torch.float, device=device) / n_elem))
133
+
134
+ # Create position indexes `[0, 1, ..., seq_len - 1]`
135
+ seq_idx = torch.arange(seq_len, dtype=torch.float, device=device)
136
+
137
+ # Calculate the product of position index and $\theta_i$
138
+ idx_theta = torch.outer(seq_idx, theta).float()
139
+
140
+ cache = torch.stack([torch.cos(idx_theta), torch.sin(idx_theta)], dim=-1)
141
+
142
+ # this is to mimic the behaviour of complex32, else we will get different results
143
+ if dtype in (torch.float16, torch.bfloat16, torch.int8):
144
+ cache = cache.bfloat16() if dtype == torch.bfloat16 else cache.half()
145
+ return cache
146
+
147
+ def forward(self, max_seq_len, offset=0):
148
+ return self.forward_impl(
149
+ max_seq_len, self.dim, dtype=self.inv_freq.dtype, device=self.inv_freq.device
150
+ )
151
+
152
+
153
+ @torch.jit.script
154
+ def apply_rotary_pos_emb(x: torch.Tensor, rope_cache: torch.Tensor) -> torch.Tensor:
155
+ # x: [sq, b, np, hn]
156
+ sq, b, np, hn = x.size(0), x.size(1), x.size(2), x.size(3)
157
+ rot_dim = rope_cache.shape[-2] * 2
158
+ x, x_pass = x[..., :rot_dim], x[..., rot_dim:]
159
+ # truncate to support variable sizes
160
+ rope_cache = rope_cache[:sq]
161
+ xshaped = x.reshape(sq, -1, np, rot_dim // 2, 2)
162
+ rope_cache = rope_cache.view(sq, -1, 1, xshaped.size(3), 2)
163
+ x_out2 = torch.stack(
164
+ [
165
+ xshaped[..., 0] * rope_cache[..., 0] - xshaped[..., 1] * rope_cache[..., 1],
166
+ xshaped[..., 1] * rope_cache[..., 0] + xshaped[..., 0] * rope_cache[..., 1],
167
+ ],
168
+ -1,
169
+ )
170
+ x_out2 = x_out2.flatten(3)
171
+ return torch.cat((x_out2, x_pass), dim=-1)
172
+
173
+
174
+ class RMSNorm(torch.nn.Module):
175
+ def __init__(self, normalized_shape, eps=1e-5, device=None, dtype=None, **kwargs):
176
+ super().__init__()
177
+ self.weight = torch.nn.Parameter(torch.empty(normalized_shape, device=device, dtype=dtype))
178
+ self.eps = eps
179
+
180
+ def forward(self, hidden_states: torch.Tensor):
181
+ input_dtype = hidden_states.dtype
182
+ variance = hidden_states.to(torch.float32).pow(2).mean(-1, keepdim=True)
183
+ hidden_states = hidden_states * torch.rsqrt(variance + self.eps)
184
+
185
+ return (self.weight * hidden_states).to(input_dtype)
186
+
187
+
188
+ class CoreAttention(torch.nn.Module):
189
+ def __init__(self, config: ChatGLMConfig, layer_number):
190
+ super(CoreAttention, self).__init__()
191
+
192
+ self.apply_query_key_layer_scaling = config.apply_query_key_layer_scaling
193
+ self.attention_softmax_in_fp32 = config.attention_softmax_in_fp32
194
+ if self.apply_query_key_layer_scaling:
195
+ self.attention_softmax_in_fp32 = True
196
+ self.layer_number = max(1, layer_number)
197
+
198
+ projection_size = config.kv_channels * config.num_attention_heads
199
+
200
+ # Per attention head and per partition values.
201
+ self.hidden_size_per_partition = projection_size
202
+ self.hidden_size_per_attention_head = projection_size // config.num_attention_heads
203
+ self.num_attention_heads_per_partition = config.num_attention_heads
204
+
205
+ coeff = None
206
+ self.norm_factor = math.sqrt(self.hidden_size_per_attention_head)
207
+ if self.apply_query_key_layer_scaling:
208
+ coeff = self.layer_number
209
+ self.norm_factor *= coeff
210
+ self.coeff = coeff
211
+
212
+ self.attention_dropout = torch.nn.Dropout(config.attention_dropout)
213
+
214
+ def forward(self, query_layer, key_layer, value_layer, attention_mask):
215
+ pytorch_major_version = int(torch.__version__.split('.')[0])
216
+ if pytorch_major_version >= 2:
217
+ query_layer, key_layer, value_layer = [k.permute(1, 2, 0, 3) for k in [query_layer, key_layer, value_layer]]
218
+ if attention_mask is None and query_layer.shape[2] == key_layer.shape[2]:
219
+ context_layer = torch.nn.functional.scaled_dot_product_attention(query_layer, key_layer, value_layer,
220
+ is_causal=True)
221
+ else:
222
+ if attention_mask is not None:
223
+ attention_mask = ~attention_mask
224
+ context_layer = torch.nn.functional.scaled_dot_product_attention(query_layer, key_layer, value_layer,
225
+ attention_mask)
226
+ context_layer = context_layer.permute(2, 0, 1, 3)
227
+ new_context_layer_shape = context_layer.size()[:-2] + (self.hidden_size_per_partition,)
228
+ context_layer = context_layer.reshape(*new_context_layer_shape)
229
+ else:
230
+ # Raw attention scores
231
+
232
+ # [b, np, sq, sk]
233
+ output_size = (query_layer.size(1), query_layer.size(2), query_layer.size(0), key_layer.size(0))
234
+
235
+ # [sq, b, np, hn] -> [sq, b * np, hn]
236
+ query_layer = query_layer.view(output_size[2], output_size[0] * output_size[1], -1)
237
+ # [sk, b, np, hn] -> [sk, b * np, hn]
238
+ key_layer = key_layer.view(output_size[3], output_size[0] * output_size[1], -1)
239
+
240
+ # preallocting input tensor: [b * np, sq, sk]
241
+ matmul_input_buffer = torch.empty(
242
+ output_size[0] * output_size[1], output_size[2], output_size[3], dtype=query_layer.dtype,
243
+ device=query_layer.device
244
+ )
245
+
246
+ # Raw attention scores. [b * np, sq, sk]
247
+ matmul_result = torch.baddbmm(
248
+ matmul_input_buffer,
249
+ query_layer.transpose(0, 1), # [b * np, sq, hn]
250
+ key_layer.transpose(0, 1).transpose(1, 2), # [b * np, hn, sk]
251
+ beta=0.0,
252
+ alpha=(1.0 / self.norm_factor),
253
+ )
254
+
255
+ # change view to [b, np, sq, sk]
256
+ attention_scores = matmul_result.view(*output_size)
257
+
258
+ # ===========================
259
+ # Attention probs and dropout
260
+ # ===========================
261
+
262
+ # attention scores and attention mask [b, np, sq, sk]
263
+ if self.attention_softmax_in_fp32:
264
+ attention_scores = attention_scores.float()
265
+ if self.coeff is not None:
266
+ attention_scores = attention_scores * self.coeff
267
+ if attention_mask is None and attention_scores.shape[2] == attention_scores.shape[3]:
268
+ attention_mask = torch.ones(output_size[0], 1, output_size[2], output_size[3],
269
+ device=attention_scores.device, dtype=torch.bool)
270
+ attention_mask.tril_()
271
+ attention_mask = ~attention_mask
272
+ if attention_mask is not None:
273
+ attention_scores = attention_scores.masked_fill(attention_mask, float("-inf"))
274
+ attention_probs = F.softmax(attention_scores, dim=-1)
275
+ attention_probs = attention_probs.type_as(value_layer)
276
+
277
+ # This is actually dropping out entire tokens to attend to, which might
278
+ # seem a bit unusual, but is taken from the original Transformer paper.
279
+ attention_probs = self.attention_dropout(attention_probs)
280
+ # =========================
281
+ # Context layer. [sq, b, hp]
282
+ # =========================
283
+
284
+ # value_layer -> context layer.
285
+ # [sk, b, np, hn] --> [b, np, sq, hn]
286
+
287
+ # context layer shape: [b, np, sq, hn]
288
+ output_size = (value_layer.size(1), value_layer.size(2), query_layer.size(0), value_layer.size(3))
289
+ # change view [sk, b * np, hn]
290
+ value_layer = value_layer.view(value_layer.size(0), output_size[0] * output_size[1], -1)
291
+ # change view [b * np, sq, sk]
292
+ attention_probs = attention_probs.view(output_size[0] * output_size[1], output_size[2], -1)
293
+ # matmul: [b * np, sq, hn]
294
+ context_layer = torch.bmm(attention_probs, value_layer.transpose(0, 1))
295
+ # change view [b, np, sq, hn]
296
+ context_layer = context_layer.view(*output_size)
297
+ # [b, np, sq, hn] --> [sq, b, np, hn]
298
+ context_layer = context_layer.permute(2, 0, 1, 3).contiguous()
299
+ # [sq, b, np, hn] --> [sq, b, hp]
300
+ new_context_layer_shape = context_layer.size()[:-2] + (self.hidden_size_per_partition,)
301
+ context_layer = context_layer.view(*new_context_layer_shape)
302
+
303
+ return context_layer
304
+
305
+
306
+ class SelfAttention(torch.nn.Module):
307
+ """Parallel self-attention layer abstract class.
308
+
309
+ Self-attention layer takes input with size [s, b, h]
310
+ and returns output of the same size.
311
+ """
312
+
313
+ def __init__(self, config: ChatGLMConfig, layer_number, device=None):
314
+ super(SelfAttention, self).__init__()
315
+ self.layer_number = max(1, layer_number)
316
+
317
+ self.projection_size = config.kv_channels * config.num_attention_heads
318
+
319
+ # Per attention head and per partition values.
320
+ self.hidden_size_per_attention_head = self.projection_size // config.num_attention_heads
321
+ self.num_attention_heads_per_partition = config.num_attention_heads
322
+
323
+ self.multi_query_attention = config.multi_query_attention
324
+ self.qkv_hidden_size = 3 * self.projection_size
325
+ if self.multi_query_attention:
326
+ self.num_multi_query_groups_per_partition = config.multi_query_group_num
327
+ self.qkv_hidden_size = (
328
+ self.projection_size + 2 * self.hidden_size_per_attention_head * config.multi_query_group_num
329
+ )
330
+ self.query_key_value = nn.Linear(config.hidden_size, self.qkv_hidden_size,
331
+ bias=config.add_bias_linear or config.add_qkv_bias,
332
+ device=device, **_config_to_kwargs(config)
333
+ )
334
+
335
+ self.core_attention = CoreAttention(config, self.layer_number)
336
+
337
+ # Output.
338
+ self.dense = nn.Linear(self.projection_size, config.hidden_size, bias=config.add_bias_linear,
339
+ device=device, **_config_to_kwargs(config)
340
+ )
341
+
342
+ def _allocate_memory(self, inference_max_sequence_len, batch_size, device=None, dtype=None):
343
+ if self.multi_query_attention:
344
+ num_attention_heads = self.num_multi_query_groups_per_partition
345
+ else:
346
+ num_attention_heads = self.num_attention_heads_per_partition
347
+ return torch.empty(
348
+ inference_max_sequence_len,
349
+ batch_size,
350
+ num_attention_heads,
351
+ self.hidden_size_per_attention_head,
352
+ dtype=dtype,
353
+ device=device,
354
+ )
355
+
356
+ def forward(
357
+ self, hidden_states, attention_mask, rotary_pos_emb, kv_cache=None, use_cache=True
358
+ ):
359
+ # hidden_states: [sq, b, h]
360
+
361
+ # =================================================
362
+ # Pre-allocate memory for key-values for inference.
363
+ # =================================================
364
+ # =====================
365
+ # Query, Key, and Value
366
+ # =====================
367
+
368
+ # Attention heads [sq, b, h] --> [sq, b, (np * 3 * hn)]
369
+ mixed_x_layer = self.query_key_value(hidden_states)
370
+
371
+ if self.multi_query_attention:
372
+ (query_layer, key_layer, value_layer) = mixed_x_layer.split(
373
+ [
374
+ self.num_attention_heads_per_partition * self.hidden_size_per_attention_head,
375
+ self.num_multi_query_groups_per_partition * self.hidden_size_per_attention_head,
376
+ self.num_multi_query_groups_per_partition * self.hidden_size_per_attention_head,
377
+ ],
378
+ dim=-1,
379
+ )
380
+ query_layer = query_layer.view(
381
+ query_layer.size()[:-1] + (self.num_attention_heads_per_partition, self.hidden_size_per_attention_head)
382
+ )
383
+ key_layer = key_layer.view(
384
+ key_layer.size()[:-1] + (self.num_multi_query_groups_per_partition, self.hidden_size_per_attention_head)
385
+ )
386
+ value_layer = value_layer.view(
387
+ value_layer.size()[:-1]
388
+ + (self.num_multi_query_groups_per_partition, self.hidden_size_per_attention_head)
389
+ )
390
+ else:
391
+ new_tensor_shape = mixed_x_layer.size()[:-1] + \
392
+ (self.num_attention_heads_per_partition,
393
+ 3 * self.hidden_size_per_attention_head)
394
+ mixed_x_layer = mixed_x_layer.view(*new_tensor_shape)
395
+
396
+ # [sq, b, np, 3 * hn] --> 3 [sq, b, np, hn]
397
+ (query_layer, key_layer, value_layer) = split_tensor_along_last_dim(mixed_x_layer, 3)
398
+
399
+ # apply relative positional encoding (rotary embedding)
400
+ if rotary_pos_emb is not None:
401
+ query_layer = apply_rotary_pos_emb(query_layer, rotary_pos_emb)
402
+ key_layer = apply_rotary_pos_emb(key_layer, rotary_pos_emb)
403
+
404
+ # adjust key and value for inference
405
+ if kv_cache is not None:
406
+ cache_k, cache_v = kv_cache
407
+ key_layer = torch.cat((cache_k, key_layer), dim=0)
408
+ value_layer = torch.cat((cache_v, value_layer), dim=0)
409
+ if use_cache:
410
+ kv_cache = (key_layer, value_layer)
411
+ else:
412
+ kv_cache = None
413
+
414
+ if self.multi_query_attention:
415
+ key_layer = key_layer.unsqueeze(-2)
416
+ key_layer = key_layer.expand(
417
+ -1, -1, -1, self.num_attention_heads_per_partition // self.num_multi_query_groups_per_partition, -1
418
+ )
419
+ key_layer = key_layer.contiguous().view(
420
+ key_layer.size()[:2] + (self.num_attention_heads_per_partition, self.hidden_size_per_attention_head)
421
+ )
422
+ value_layer = value_layer.unsqueeze(-2)
423
+ value_layer = value_layer.expand(
424
+ -1, -1, -1, self.num_attention_heads_per_partition // self.num_multi_query_groups_per_partition, -1
425
+ )
426
+ value_layer = value_layer.contiguous().view(
427
+ value_layer.size()[:2] + (self.num_attention_heads_per_partition, self.hidden_size_per_attention_head)
428
+ )
429
+
430
+ # ==================================
431
+ # core attention computation
432
+ # ==================================
433
+
434
+ context_layer = self.core_attention(query_layer, key_layer, value_layer, attention_mask)
435
+
436
+ # =================
437
+ # Output. [sq, b, h]
438
+ # =================
439
+
440
+ output = self.dense(context_layer)
441
+
442
+ return output, kv_cache
443
+
444
+
445
+ def _config_to_kwargs(args):
446
+ common_kwargs = {
447
+ "dtype": args.torch_dtype,
448
+ }
449
+ return common_kwargs
450
+
451
+
452
+ class MLP(torch.nn.Module):
453
+ """MLP.
454
+
455
+ MLP will take the input with h hidden state, project it to 4*h
456
+ hidden dimension, perform nonlinear transformation, and project the
457
+ state back into h hidden dimension.
458
+ """
459
+
460
+ def __init__(self, config: ChatGLMConfig, device=None):
461
+ super(MLP, self).__init__()
462
+
463
+ self.add_bias = config.add_bias_linear
464
+
465
+ # Project to 4h. If using swiglu double the output width, see https://arxiv.org/pdf/2002.05202.pdf
466
+ self.dense_h_to_4h = nn.Linear(
467
+ config.hidden_size,
468
+ config.ffn_hidden_size * 2,
469
+ bias=self.add_bias,
470
+ device=device,
471
+ **_config_to_kwargs(config)
472
+ )
473
+
474
+ def swiglu(x):
475
+ x = torch.chunk(x, 2, dim=-1)
476
+ return F.silu(x[0]) * x[1]
477
+
478
+ self.activation_func = swiglu
479
+
480
+ # Project back to h.
481
+ self.dense_4h_to_h = nn.Linear(
482
+ config.ffn_hidden_size,
483
+ config.hidden_size,
484
+ bias=self.add_bias,
485
+ device=device,
486
+ **_config_to_kwargs(config)
487
+ )
488
+
489
+ def forward(self, hidden_states):
490
+ # [s, b, 4hp]
491
+ intermediate_parallel = self.dense_h_to_4h(hidden_states)
492
+ intermediate_parallel = self.activation_func(intermediate_parallel)
493
+ # [s, b, h]
494
+ output = self.dense_4h_to_h(intermediate_parallel)
495
+ return output
496
+
497
+
498
+ class GLMBlock(torch.nn.Module):
499
+ """A single transformer layer.
500
+
501
+ Transformer layer takes input with size [s, b, h] and returns an
502
+ output of the same size.
503
+ """
504
+
505
+ def __init__(self, config: ChatGLMConfig, layer_number, device=None):
506
+ super(GLMBlock, self).__init__()
507
+ self.layer_number = layer_number
508
+
509
+ self.apply_residual_connection_post_layernorm = config.apply_residual_connection_post_layernorm
510
+
511
+ self.fp32_residual_connection = config.fp32_residual_connection
512
+
513
+ LayerNormFunc = RMSNorm if config.rmsnorm else LayerNorm
514
+ # Layernorm on the input data.
515
+ self.input_layernorm = LayerNormFunc(config.hidden_size, eps=config.layernorm_epsilon, device=device,
516
+ dtype=config.torch_dtype)
517
+
518
+ # Self attention.
519
+ self.self_attention = SelfAttention(config, layer_number, device=device)
520
+ self.hidden_dropout = config.hidden_dropout
521
+
522
+ # Layernorm on the attention output
523
+ self.post_attention_layernorm = LayerNormFunc(config.hidden_size, eps=config.layernorm_epsilon, device=device,
524
+ dtype=config.torch_dtype)
525
+
526
+ # MLP
527
+ self.mlp = MLP(config, device=device)
528
+
529
+ def forward(
530
+ self, hidden_states, attention_mask, rotary_pos_emb, kv_cache=None, use_cache=True,
531
+ ):
532
+ # hidden_states: [s, b, h]
533
+
534
+ # Layer norm at the beginning of the transformer layer.
535
+ layernorm_output = self.input_layernorm(hidden_states)
536
+ # Self attention.
537
+ attention_output, kv_cache = self.self_attention(
538
+ layernorm_output,
539
+ attention_mask,
540
+ rotary_pos_emb,
541
+ kv_cache=kv_cache,
542
+ use_cache=use_cache
543
+ )
544
+
545
+ # Residual connection.
546
+ if self.apply_residual_connection_post_layernorm:
547
+ residual = layernorm_output
548
+ else:
549
+ residual = hidden_states
550
+
551
+ layernorm_input = torch.nn.functional.dropout(attention_output, p=self.hidden_dropout, training=self.training)
552
+ layernorm_input = residual + layernorm_input
553
+
554
+ # Layer norm post the self attention.
555
+ layernorm_output = self.post_attention_layernorm(layernorm_input)
556
+
557
+ # MLP.
558
+ mlp_output = self.mlp(layernorm_output)
559
+
560
+ # Second residual connection.
561
+ if self.apply_residual_connection_post_layernorm:
562
+ residual = layernorm_output
563
+ else:
564
+ residual = layernorm_input
565
+
566
+ output = torch.nn.functional.dropout(mlp_output, p=self.hidden_dropout, training=self.training)
567
+ output = residual + output
568
+
569
+ return output, kv_cache
570
+
571
+
572
+ class GLMTransformer(torch.nn.Module):
573
+ """Transformer class."""
574
+
575
+ def __init__(self, config: ChatGLMConfig, device=None):
576
+ super(GLMTransformer, self).__init__()
577
+
578
+ self.fp32_residual_connection = config.fp32_residual_connection
579
+ self.post_layer_norm = config.post_layer_norm
580
+
581
+ # Number of layers.
582
+ self.num_layers = config.num_layers
583
+
584
+ # Transformer layers.
585
+ def build_layer(layer_number):
586
+ return GLMBlock(config, layer_number, device=device)
587
+
588
+ self.layers = torch.nn.ModuleList([build_layer(i + 1) for i in range(self.num_layers)])
589
+
590
+ if self.post_layer_norm:
591
+ LayerNormFunc = RMSNorm if config.rmsnorm else LayerNorm
592
+ # Final layer norm before output.
593
+ self.final_layernorm = LayerNormFunc(config.hidden_size, eps=config.layernorm_epsilon, device=device,
594
+ dtype=config.torch_dtype)
595
+
596
+ self.gradient_checkpointing = False
597
+
598
+ def _get_layer(self, layer_number):
599
+ return self.layers[layer_number]
600
+
601
+ def forward(
602
+ self, hidden_states, attention_mask, rotary_pos_emb, kv_caches=None,
603
+ use_cache: Optional[bool] = True,
604
+ output_hidden_states: Optional[bool] = False,
605
+ ):
606
+ if not kv_caches:
607
+ kv_caches = [None for _ in range(self.num_layers)]
608
+ presents = () if use_cache else None
609
+ if self.gradient_checkpointing and self.training:
610
+ if use_cache:
611
+ logger.warning_once(
612
+ "`use_cache=True` is incompatible with gradient checkpointing. Setting `use_cache=False`..."
613
+ )
614
+ use_cache = False
615
+
616
+ all_self_attentions = None
617
+ all_hidden_states = () if output_hidden_states else None
618
+ for index in range(self.num_layers):
619
+ if output_hidden_states:
620
+ all_hidden_states = all_hidden_states + (hidden_states,)
621
+
622
+ layer = self._get_layer(index)
623
+ if self.gradient_checkpointing and self.training:
624
+ layer_ret = torch.utils.checkpoint.checkpoint(
625
+ layer,
626
+ hidden_states,
627
+ attention_mask,
628
+ rotary_pos_emb,
629
+ kv_caches[index],
630
+ use_cache
631
+ )
632
+ else:
633
+ layer_ret = layer(
634
+ hidden_states,
635
+ attention_mask,
636
+ rotary_pos_emb,
637
+ kv_cache=kv_caches[index],
638
+ use_cache=use_cache
639
+ )
640
+ hidden_states, kv_cache = layer_ret
641
+ if use_cache:
642
+ presents = presents + (kv_cache,)
643
+
644
+ if output_hidden_states:
645
+ all_hidden_states = all_hidden_states + (hidden_states,)
646
+
647
+ # Final layer norm.
648
+ if self.post_layer_norm:
649
+ hidden_states = self.final_layernorm(hidden_states)
650
+
651
+ return hidden_states, presents, all_hidden_states, all_self_attentions
652
+
653
+
654
+ class ChatGLMPreTrainedModel(PreTrainedModel):
655
+ """
656
+ An abstract class to handle weights initialization and
657
+ a simple interface for downloading and loading pretrained models.
658
+ """
659
+
660
+ is_parallelizable = False
661
+ supports_gradient_checkpointing = True
662
+ config_class = ChatGLMConfig
663
+ base_model_prefix = "transformer"
664
+ _no_split_modules = ["GLMBlock"]
665
+
666
+ def _init_weights(self, module: nn.Module):
667
+ """Initialize the weights."""
668
+ return
669
+
670
+ def get_masks(self, input_ids, past_key_values, padding_mask=None):
671
+ batch_size, seq_length = input_ids.shape
672
+ full_attention_mask = torch.ones(batch_size, seq_length, seq_length, device=input_ids.device)
673
+ full_attention_mask.tril_()
674
+ past_length = 0
675
+ if past_key_values:
676
+ past_length = past_key_values[0][0].shape[0]
677
+ if past_length:
678
+ full_attention_mask = torch.cat((torch.ones(batch_size, seq_length, past_length,
679
+ device=input_ids.device), full_attention_mask), dim=-1)
680
+ if padding_mask is not None:
681
+ full_attention_mask = full_attention_mask * padding_mask.unsqueeze(1)
682
+ if not past_length and padding_mask is not None:
683
+ full_attention_mask -= padding_mask.unsqueeze(-1) - 1
684
+ full_attention_mask = (full_attention_mask < 0.5).bool()
685
+ full_attention_mask.unsqueeze_(1)
686
+ return full_attention_mask
687
+
688
+ def get_position_ids(self, input_ids, device):
689
+ batch_size, seq_length = input_ids.shape
690
+ position_ids = torch.arange(seq_length, dtype=torch.long, device=device).unsqueeze(0).repeat(batch_size, 1)
691
+ return position_ids
692
+
693
+ def _set_gradient_checkpointing(self, module, value=False):
694
+ if isinstance(module, GLMTransformer):
695
+ module.gradient_checkpointing = value
696
+
697
+
698
+ class Embedding(torch.nn.Module):
699
+ """Language model embeddings."""
700
+
701
+ def __init__(self, config: ChatGLMConfig, device=None):
702
+ super(Embedding, self).__init__()
703
+
704
+ self.hidden_size = config.hidden_size
705
+ # Word embeddings (parallel).
706
+ self.word_embeddings = nn.Embedding(
707
+ config.padded_vocab_size,
708
+ self.hidden_size,
709
+ dtype=config.torch_dtype,
710
+ device=device
711
+ )
712
+ self.fp32_residual_connection = config.fp32_residual_connection
713
+
714
+ def forward(self, input_ids):
715
+ # Embeddings.
716
+ words_embeddings = self.word_embeddings(input_ids)
717
+ embeddings = words_embeddings
718
+ # Data format change to avoid explicit tranposes : [b s h] --> [s b h].
719
+ embeddings = embeddings.transpose(0, 1).contiguous()
720
+ # If the input flag for fp32 residual connection is set, convert for float.
721
+ if self.fp32_residual_connection:
722
+ embeddings = embeddings.float()
723
+ return embeddings
724
+
725
+
726
+ class ChatGLMModel(ChatGLMPreTrainedModel):
727
+ def __init__(self, config: ChatGLMConfig, device=None, empty_init=True):
728
+ super().__init__(config)
729
+ if empty_init:
730
+ init_method = skip_init
731
+ else:
732
+ init_method = default_init
733
+ init_kwargs = {}
734
+ if device is not None:
735
+ init_kwargs["device"] = device
736
+ self.embedding = init_method(Embedding, config, **init_kwargs)
737
+ self.num_layers = config.num_layers
738
+ self.multi_query_group_num = config.multi_query_group_num
739
+ self.kv_channels = config.kv_channels
740
+
741
+ # Rotary positional embeddings
742
+ self.seq_length = config.seq_length
743
+ rotary_dim = (
744
+ config.hidden_size // config.num_attention_heads if config.kv_channels is None else config.kv_channels
745
+ )
746
+
747
+ self.rotary_pos_emb = RotaryEmbedding(rotary_dim // 2, original_impl=config.original_rope, device=device,
748
+ dtype=config.torch_dtype)
749
+ self.encoder = init_method(GLMTransformer, config, **init_kwargs)
750
+ self.output_layer = init_method(nn.Linear, config.hidden_size, config.padded_vocab_size, bias=False,
751
+ dtype=config.torch_dtype, **init_kwargs)
752
+ self.pre_seq_len = config.pre_seq_len
753
+ self.prefix_projection = config.prefix_projection
754
+ if self.pre_seq_len is not None:
755
+ for param in self.parameters():
756
+ param.requires_grad = False
757
+ self.prefix_tokens = torch.arange(self.pre_seq_len).long()
758
+ self.prefix_encoder = PrefixEncoder(config)
759
+ self.dropout = torch.nn.Dropout(0.1)
760
+
761
+ def get_input_embeddings(self):
762
+ return self.embedding.word_embeddings
763
+
764
+ def get_prompt(self, batch_size, device, dtype=torch.half):
765
+ prefix_tokens = self.prefix_tokens.unsqueeze(0).expand(batch_size, -1).to(device)
766
+ past_key_values = self.prefix_encoder(prefix_tokens).type(dtype)
767
+ past_key_values = past_key_values.view(
768
+ batch_size,
769
+ self.pre_seq_len,
770
+ self.num_layers * 2,
771
+ self.multi_query_group_num,
772
+ self.kv_channels
773
+ )
774
+ # seq_len, b, nh, hidden_size
775
+ past_key_values = self.dropout(past_key_values)
776
+ past_key_values = past_key_values.permute([2, 1, 0, 3, 4]).split(2)
777
+ return past_key_values
778
+
779
+ def forward(
780
+ self,
781
+ input_ids,
782
+ position_ids: Optional[torch.Tensor] = None,
783
+ attention_mask: Optional[torch.BoolTensor] = None,
784
+ full_attention_mask: Optional[torch.BoolTensor] = None,
785
+ past_key_values: Optional[Tuple[Tuple[torch.Tensor, torch.Tensor], ...]] = None,
786
+ inputs_embeds: Optional[torch.Tensor] = None,
787
+ use_cache: Optional[bool] = None,
788
+ output_hidden_states: Optional[bool] = None,
789
+ return_dict: Optional[bool] = None,
790
+ ):
791
+ output_hidden_states = (
792
+ output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
793
+ )
794
+ use_cache = use_cache if use_cache is not None else self.config.use_cache
795
+ return_dict = return_dict if return_dict is not None else self.config.use_return_dict
796
+
797
+ batch_size, seq_length = input_ids.shape
798
+
799
+ if inputs_embeds is None:
800
+ inputs_embeds = self.embedding(input_ids)
801
+
802
+ if self.pre_seq_len is not None:
803
+ if past_key_values is None:
804
+ past_key_values = self.get_prompt(batch_size=batch_size, device=input_ids.device,
805
+ dtype=inputs_embeds.dtype)
806
+ if attention_mask is not None:
807
+ attention_mask = torch.cat([attention_mask.new_ones((batch_size, self.pre_seq_len)),
808
+ attention_mask], dim=-1)
809
+
810
+ if full_attention_mask is None:
811
+ if (attention_mask is not None and not attention_mask.all()) or (past_key_values and seq_length != 1):
812
+ full_attention_mask = self.get_masks(input_ids, past_key_values, padding_mask=attention_mask)
813
+
814
+ # Rotary positional embeddings
815
+ rotary_pos_emb = self.rotary_pos_emb(self.seq_length)
816
+ if position_ids is not None:
817
+ rotary_pos_emb = rotary_pos_emb[position_ids]
818
+ else:
819
+ rotary_pos_emb = rotary_pos_emb[None, :seq_length]
820
+ rotary_pos_emb = rotary_pos_emb.transpose(0, 1).contiguous()
821
+
822
+ # Run encoder.
823
+ hidden_states, presents, all_hidden_states, all_self_attentions = self.encoder(
824
+ inputs_embeds, full_attention_mask, rotary_pos_emb=rotary_pos_emb,
825
+ kv_caches=past_key_values, use_cache=use_cache, output_hidden_states=output_hidden_states
826
+ )
827
+
828
+ if not return_dict:
829
+ return tuple(v for v in [hidden_states, presents, all_hidden_states, all_self_attentions] if v is not None)
830
+
831
+ return BaseModelOutputWithPast(
832
+ last_hidden_state=hidden_states,
833
+ past_key_values=presents,
834
+ hidden_states=all_hidden_states,
835
+ attentions=all_self_attentions,
836
+ )
837
+
838
+ def quantize(self, weight_bit_width: int):
839
+ from .quantization import quantize
840
+ quantize(self.encoder, weight_bit_width)
841
+ return self
842
+
843
+
844
+ class ChatGLMForConditionalGeneration(ChatGLMPreTrainedModel):
845
+ def __init__(self, config: ChatGLMConfig, empty_init=True, device=None):
846
+ super().__init__(config)
847
+
848
+ self.max_sequence_length = config.max_length
849
+ self.transformer = ChatGLMModel(config, empty_init=empty_init, device=device)
850
+ self.config = config
851
+ self.quantized = False
852
+
853
+ if self.config.quantization_bit:
854
+ self.quantize(self.config.quantization_bit, empty_init=True)
855
+
856
+ def _update_model_kwargs_for_generation(
857
+ self,
858
+ outputs: ModelOutput,
859
+ model_kwargs: Dict[str, Any],
860
+ is_encoder_decoder: bool = False,
861
+ standardize_cache_format: bool = False,
862
+ ) -> Dict[str, Any]:
863
+ # update past_key_values
864
+ model_kwargs["past_key_values"] = self._extract_past_from_model_output(
865
+ outputs, standardize_cache_format=standardize_cache_format
866
+ )
867
+
868
+ # update attention mask
869
+ if "attention_mask" in model_kwargs:
870
+ attention_mask = model_kwargs["attention_mask"]
871
+ model_kwargs["attention_mask"] = torch.cat(
872
+ [attention_mask, attention_mask.new_ones((attention_mask.shape[0], 1))], dim=-1
873
+ )
874
+
875
+ # update position ids
876
+ if "position_ids" in model_kwargs:
877
+ position_ids = model_kwargs["position_ids"]
878
+ new_position_id = position_ids[..., -1:].clone()
879
+ new_position_id += 1
880
+ model_kwargs["position_ids"] = torch.cat(
881
+ [position_ids, new_position_id], dim=-1
882
+ )
883
+
884
+ model_kwargs["is_first_forward"] = False
885
+ return model_kwargs
886
+
887
+ def prepare_inputs_for_generation(
888
+ self,
889
+ input_ids: torch.LongTensor,
890
+ past_key_values: Optional[torch.Tensor] = None,
891
+ attention_mask: Optional[torch.Tensor] = None,
892
+ position_ids: Optional[torch.Tensor] = None,
893
+ use_cache: Optional[bool] = None,
894
+ is_first_forward: bool = True,
895
+ **kwargs
896
+ ) -> dict:
897
+ # only last token for input_ids if past is not None
898
+ if position_ids is None:
899
+ position_ids = self.get_position_ids(input_ids, device=input_ids.device)
900
+ if not is_first_forward:
901
+ if past_key_values is not None:
902
+ position_ids = position_ids[..., -1:]
903
+ input_ids = input_ids[:, -1:]
904
+ return {
905
+ "input_ids": input_ids,
906
+ "past_key_values": past_key_values,
907
+ "position_ids": position_ids,
908
+ "attention_mask": attention_mask,
909
+ "return_last_logit": True,
910
+ "use_cache": use_cache
911
+ }
912
+
913
+ def forward(
914
+ self,
915
+ input_ids: Optional[torch.Tensor] = None,
916
+ position_ids: Optional[torch.Tensor] = None,
917
+ attention_mask: Optional[torch.Tensor] = None,
918
+ past_key_values: Optional[Tuple[torch.FloatTensor]] = None,
919
+ inputs_embeds: Optional[torch.Tensor] = None,
920
+ labels: Optional[torch.Tensor] = None,
921
+ use_cache: Optional[bool] = None,
922
+ output_attentions: Optional[bool] = None,
923
+ output_hidden_states: Optional[bool] = None,
924
+ return_dict: Optional[bool] = None,
925
+ return_last_logit: Optional[bool] = False,
926
+ ):
927
+ use_cache = use_cache if use_cache is not None else self.config.use_cache
928
+ return_dict = return_dict if return_dict is not None else self.config.use_return_dict
929
+
930
+ transformer_outputs = self.transformer(
931
+ input_ids=input_ids,
932
+ position_ids=position_ids,
933
+ attention_mask=attention_mask,
934
+ past_key_values=past_key_values,
935
+ inputs_embeds=inputs_embeds,
936
+ use_cache=use_cache,
937
+ output_hidden_states=output_hidden_states,
938
+ return_dict=return_dict,
939
+ )
940
+
941
+ hidden_states = transformer_outputs[0]
942
+ if return_last_logit:
943
+ hidden_states = hidden_states[-1:]
944
+ lm_logits = self.transformer.output_layer(hidden_states)
945
+ lm_logits = lm_logits.transpose(0, 1).contiguous()
946
+
947
+ loss = None
948
+ if labels is not None:
949
+ lm_logits = lm_logits.to(torch.float32)
950
+
951
+ # Shift so that tokens < n predict n
952
+ shift_logits = lm_logits[..., :-1, :].contiguous()
953
+ shift_labels = labels[..., 1:].contiguous()
954
+ # Flatten the tokens
955
+ loss_fct = CrossEntropyLoss(ignore_index=-100)
956
+ loss = loss_fct(shift_logits.view(-1, shift_logits.size(-1)), shift_labels.view(-1))
957
+
958
+ lm_logits = lm_logits.to(hidden_states.dtype)
959
+ loss = loss.to(hidden_states.dtype)
960
+
961
+ if not return_dict:
962
+ output = (lm_logits,) + transformer_outputs[1:]
963
+ return ((loss,) + output) if loss is not None else output
964
+
965
+ return CausalLMOutputWithPast(
966
+ loss=loss,
967
+ logits=lm_logits,
968
+ past_key_values=transformer_outputs.past_key_values,
969
+ hidden_states=transformer_outputs.hidden_states,
970
+ attentions=transformer_outputs.attentions,
971
+ )
972
+
973
+ @staticmethod
974
+ def _reorder_cache(
975
+ past: Tuple[Tuple[torch.Tensor, torch.Tensor], ...], beam_idx: torch.LongTensor
976
+ ) -> Tuple[Tuple[torch.Tensor, torch.Tensor], ...]:
977
+ """
978
+ This function is used to re-order the `past_key_values` cache if [`~PreTrainedModel.beam_search`] or
979
+ [`~PreTrainedModel.beam_sample`] is called. This is required to match `past_key_values` with the correct
980
+ beam_idx at every generation step.
981
+
982
+ Output shares the same memory storage as `past`.
983
+ """
984
+ return tuple(
985
+ (
986
+ layer_past[0].index_select(1, beam_idx.to(layer_past[0].device)),
987
+ layer_past[1].index_select(1, beam_idx.to(layer_past[1].device)),
988
+ )
989
+ for layer_past in past
990
+ )
991
+
992
+ def process_response(self, output, history):
993
+ content = ""
994
+ history = deepcopy(history)
995
+ for response in output.split("<|assistant|>"):
996
+ metadata, content = response.split("\n", maxsplit=1)
997
+ if not metadata.strip():
998
+ content = content.strip()
999
+ history.append({"role": "assistant", "metadata": metadata, "content": content})
1000
+ content = content.replace("[[训练时间]]", "2023年")
1001
+ else:
1002
+ history.append({"role": "assistant", "metadata": metadata, "content": content})
1003
+ if history[0]["role"] == "system" and "tools" in history[0]:
1004
+ content = "\n".join(content.split("\n")[1:-1])
1005
+ def tool_call(**kwargs):
1006
+ return kwargs
1007
+ parameters = eval(content)
1008
+ content = {"name": metadata.strip(), "parameters": parameters}
1009
+ else:
1010
+ content = {"name": metadata.strip(), "content": content}
1011
+ return content, history
1012
+
1013
+ @torch.inference_mode()
1014
+ def chat(self, tokenizer, query: str, history: List[Dict] = None, role: str = "user",
1015
+ max_length: int = 8192, num_beams=1, do_sample=True, top_p=0.8, temperature=0.8, logits_processor=None,
1016
+ **kwargs):
1017
+ if history is None:
1018
+ history = []
1019
+ if logits_processor is None:
1020
+ logits_processor = LogitsProcessorList()
1021
+ logits_processor.append(InvalidScoreLogitsProcessor())
1022
+ gen_kwargs = {"max_length": max_length, "num_beams": num_beams, "do_sample": do_sample, "top_p": top_p,
1023
+ "temperature": temperature, "logits_processor": logits_processor, **kwargs}
1024
+ inputs = tokenizer.build_chat_input(query, history=history, role=role)
1025
+ inputs = inputs.to(self.device)
1026
+ eos_token_id = [tokenizer.eos_token_id, tokenizer.get_command("<|user|>"),
1027
+ tokenizer.get_command("<|observation|>")]
1028
+ outputs = self.generate(**inputs, **gen_kwargs, eos_token_id=eos_token_id)
1029
+ outputs = outputs.tolist()[0][len(inputs["input_ids"][0]):-1]
1030
+ response = tokenizer.decode(outputs)
1031
+ history.append({"role": role, "content": query})
1032
+ response, history = self.process_response(response, history)
1033
+ return response, history
1034
+
1035
+ @torch.inference_mode()
1036
+ def stream_chat(self, tokenizer, query: str, history: List[Dict] = None, role: str = "user",
1037
+ past_key_values=None,max_length: int = 8192, do_sample=True, top_p=0.8, temperature=0.8,
1038
+ logits_processor=None, return_past_key_values=False, **kwargs):
1039
+ if history is None:
1040
+ history = []
1041
+ if logits_processor is None:
1042
+ logits_processor = LogitsProcessorList()
1043
+ logits_processor.append(InvalidScoreLogitsProcessor())
1044
+ eos_token_id = [tokenizer.eos_token_id, tokenizer.get_command("<|user|>"),
1045
+ tokenizer.get_command("<|observation|>")]
1046
+ gen_kwargs = {"max_length": max_length, "do_sample": do_sample, "top_p": top_p,
1047
+ "temperature": temperature, "logits_processor": logits_processor, **kwargs}
1048
+ if past_key_values is None:
1049
+ inputs = tokenizer.build_chat_input(query, history=history, role=role)
1050
+ else:
1051
+ inputs = tokenizer.build_chat_input(query, role=role)
1052
+ inputs = inputs.to(self.device)
1053
+ if past_key_values is not None:
1054
+ past_length = past_key_values[0][0].shape[0]
1055
+ if self.transformer.pre_seq_len is not None:
1056
+ past_length -= self.transformer.pre_seq_len
1057
+ inputs.position_ids += past_length
1058
+ attention_mask = inputs.attention_mask
1059
+ attention_mask = torch.cat((attention_mask.new_ones(1, past_length), attention_mask), dim=1)
1060
+ inputs['attention_mask'] = attention_mask
1061
+ history.append({"role": role, "content": query})
1062
+ for outputs in self.stream_generate(**inputs, past_key_values=past_key_values,
1063
+ eos_token_id=eos_token_id, return_past_key_values=return_past_key_values,
1064
+ **gen_kwargs):
1065
+ if return_past_key_values:
1066
+ outputs, past_key_values = outputs
1067
+ outputs = outputs.tolist()[0][len(inputs["input_ids"][0]):-1]
1068
+ response = tokenizer.decode(outputs)
1069
+ if response and response[-1] != "�":
1070
+ response, new_history = self.process_response(response, history)
1071
+ if return_past_key_values:
1072
+ yield response, new_history, past_key_values
1073
+ else:
1074
+ yield response, new_history
1075
+
1076
+ @torch.inference_mode()
1077
+ def stream_generate(
1078
+ self,
1079
+ input_ids,
1080
+ generation_config: Optional[GenerationConfig] = None,
1081
+ logits_processor: Optional[LogitsProcessorList] = None,
1082
+ stopping_criteria: Optional[StoppingCriteriaList] = None,
1083
+ prefix_allowed_tokens_fn: Optional[Callable[[int, torch.Tensor], List[int]]] = None,
1084
+ return_past_key_values=False,
1085
+ **kwargs,
1086
+ ):
1087
+ batch_size, input_ids_seq_length = input_ids.shape[0], input_ids.shape[-1]
1088
+
1089
+ if generation_config is None:
1090
+ generation_config = self.generation_config
1091
+ generation_config = copy.deepcopy(generation_config)
1092
+ model_kwargs = generation_config.update(**kwargs)
1093
+ model_kwargs["use_cache"] = generation_config.use_cache
1094
+ bos_token_id, eos_token_id = generation_config.bos_token_id, generation_config.eos_token_id
1095
+
1096
+ if isinstance(eos_token_id, int):
1097
+ eos_token_id = [eos_token_id]
1098
+ eos_token_id_tensor = torch.tensor(eos_token_id).to(input_ids.device) if eos_token_id is not None else None
1099
+
1100
+ has_default_max_length = kwargs.get("max_length") is None and generation_config.max_length is not None
1101
+ if has_default_max_length and generation_config.max_new_tokens is None:
1102
+ warnings.warn(
1103
+ f"Using `max_length`'s default ({generation_config.max_length}) to control the generation length. "
1104
+ "This behaviour is deprecated and will be removed from the config in v5 of Transformers -- we"
1105
+ " recommend using `max_new_tokens` to control the maximum length of the generation.",
1106
+ UserWarning,
1107
+ )
1108
+ elif generation_config.max_new_tokens is not None:
1109
+ generation_config.max_length = generation_config.max_new_tokens + input_ids_seq_length
1110
+ if not has_default_max_length:
1111
+ logger.warn(
1112
+ f"Both `max_new_tokens` (={generation_config.max_new_tokens}) and `max_length`(="
1113
+ f"{generation_config.max_length}) seem to have been set. `max_new_tokens` will take precedence. "
1114
+ "Please refer to the documentation for more information. "
1115
+ "(https://huggingface.co/docs/transformers/main/en/main_classes/text_generation)",
1116
+ UserWarning,
1117
+ )
1118
+
1119
+ if input_ids_seq_length >= generation_config.max_length:
1120
+ input_ids_string = "decoder_input_ids" if self.config.is_encoder_decoder else "input_ids"
1121
+ logger.warning(
1122
+ f"Input length of {input_ids_string} is {input_ids_seq_length}, but `max_length` is set to"
1123
+ f" {generation_config.max_length}. This can lead to unexpected behavior. You should consider"
1124
+ " increasing `max_new_tokens`."
1125
+ )
1126
+
1127
+ # 2. Set generation parameters if not already defined
1128
+ logits_processor = logits_processor if logits_processor is not None else LogitsProcessorList()
1129
+ stopping_criteria = stopping_criteria if stopping_criteria is not None else StoppingCriteriaList()
1130
+
1131
+ logits_processor = self._get_logits_processor(
1132
+ generation_config=generation_config,
1133
+ input_ids_seq_length=input_ids_seq_length,
1134
+ encoder_input_ids=input_ids,
1135
+ prefix_allowed_tokens_fn=prefix_allowed_tokens_fn,
1136
+ logits_processor=logits_processor,
1137
+ )
1138
+
1139
+ stopping_criteria = self._get_stopping_criteria(
1140
+ generation_config=generation_config, stopping_criteria=stopping_criteria
1141
+ )
1142
+ logits_warper = self._get_logits_warper(generation_config)
1143
+
1144
+ unfinished_sequences = input_ids.new(input_ids.shape[0]).fill_(1)
1145
+ scores = None
1146
+ while True:
1147
+ model_inputs = self.prepare_inputs_for_generation(input_ids, **model_kwargs)
1148
+ # forward pass to get next token
1149
+ outputs = self(
1150
+ **model_inputs,
1151
+ return_dict=True,
1152
+ output_attentions=False,
1153
+ output_hidden_states=False,
1154
+ )
1155
+
1156
+ next_token_logits = outputs.logits[:, -1, :]
1157
+
1158
+ # pre-process distribution
1159
+ next_token_scores = logits_processor(input_ids, next_token_logits)
1160
+ next_token_scores = logits_warper(input_ids, next_token_scores)
1161
+
1162
+ # sample
1163
+ probs = nn.functional.softmax(next_token_scores, dim=-1)
1164
+ if generation_config.do_sample:
1165
+ next_tokens = torch.multinomial(probs, num_samples=1).squeeze(1)
1166
+ else:
1167
+ next_tokens = torch.argmax(probs, dim=-1)
1168
+ # update generated ids, model inputs, and length for next step
1169
+ input_ids = torch.cat([input_ids, next_tokens[:, None]], dim=-1)
1170
+ model_kwargs = self._update_model_kwargs_for_generation(
1171
+ outputs, model_kwargs, is_encoder_decoder=self.config.is_encoder_decoder
1172
+ )
1173
+ unfinished_sequences = unfinished_sequences.mul(
1174
+ next_tokens.tile(eos_token_id_tensor.shape[0], 1).ne(eos_token_id_tensor.unsqueeze(1)).prod(dim=0)
1175
+ )
1176
+ if return_past_key_values:
1177
+ yield input_ids, outputs.past_key_values
1178
+ else:
1179
+ yield input_ids
1180
+ # stop when each sentence is finished, or if we exceed the maximum length
1181
+ if unfinished_sequences.max() == 0 or stopping_criteria(input_ids, scores):
1182
+ break
1183
+
1184
+ def quantize(self, bits: int, empty_init=False, device=None, **kwargs):
1185
+ if bits == 0:
1186
+ return
1187
+
1188
+ from .quantization import quantize
1189
+
1190
+ if self.quantized:
1191
+ logger.info("Already quantized.")
1192
+ return self
1193
+
1194
+ self.quantized = True
1195
+
1196
+ self.config.quantization_bit = bits
1197
+
1198
+ self.transformer.encoder = quantize(self.transformer.encoder, bits, empty_init=empty_init, device=device,
1199
+ **kwargs)
1200
+ return self
1201
+
1202
+
1203
+ class ChatGLMForSequenceClassification(ChatGLMPreTrainedModel):
1204
+ def __init__(self, config: ChatGLMConfig, empty_init=True, device=None):
1205
+ super().__init__(config)
1206
+
1207
+ self.num_labels = config.num_labels
1208
+ self.transformer = ChatGLMModel(config, empty_init=empty_init, device=device)
1209
+
1210
+ self.classifier_head = nn.Linear(config.hidden_size, config.num_labels, bias=True, dtype=torch.half)
1211
+ if config.classifier_dropout is not None:
1212
+ self.dropout = nn.Dropout(config.classifier_dropout)
1213
+ else:
1214
+ self.dropout = None
1215
+ self.config = config
1216
+
1217
+ if self.config.quantization_bit:
1218
+ self.quantize(self.config.quantization_bit, empty_init=True)
1219
+
1220
+ def forward(
1221
+ self,
1222
+ input_ids: Optional[torch.LongTensor] = None,
1223
+ position_ids: Optional[torch.LongTensor] = None,
1224
+ attention_mask: Optional[torch.Tensor] = None,
1225
+ full_attention_mask: Optional[torch.Tensor] = None,
1226
+ past_key_values: Optional[Tuple[Tuple[torch.Tensor, torch.Tensor], ...]] = None,
1227
+ inputs_embeds: Optional[torch.LongTensor] = None,
1228
+ labels: Optional[torch.LongTensor] = None,
1229
+ use_cache: Optional[bool] = None,
1230
+ output_hidden_states: Optional[bool] = None,
1231
+ return_dict: Optional[bool] = None,
1232
+ ) -> Union[Tuple[torch.Tensor, ...], SequenceClassifierOutputWithPast]:
1233
+ return_dict = return_dict if return_dict is not None else self.config.use_return_dict
1234
+
1235
+ transformer_outputs = self.transformer(
1236
+ input_ids=input_ids,
1237
+ position_ids=position_ids,
1238
+ attention_mask=attention_mask,
1239
+ full_attention_mask=full_attention_mask,
1240
+ past_key_values=past_key_values,
1241
+ inputs_embeds=inputs_embeds,
1242
+ use_cache=use_cache,
1243
+ output_hidden_states=output_hidden_states,
1244
+ return_dict=return_dict,
1245
+ )
1246
+
1247
+ hidden_states = transformer_outputs[0]
1248
+ pooled_hidden_states = hidden_states[-1]
1249
+ if self.dropout is not None:
1250
+ pooled_hidden_states = self.dropout(pooled_hidden_states)
1251
+ logits = self.classifier_head(pooled_hidden_states)
1252
+
1253
+ loss = None
1254
+ if labels is not None:
1255
+ if self.config.problem_type is None:
1256
+ if self.num_labels == 1:
1257
+ self.config.problem_type = "regression"
1258
+ elif self.num_labels > 1 and (labels.dtype == torch.long or labels.dtype == torch.int):
1259
+ self.config.problem_type = "single_label_classification"
1260
+ else:
1261
+ self.config.problem_type = "multi_label_classification"
1262
+
1263
+ if self.config.problem_type == "regression":
1264
+ loss_fct = MSELoss()
1265
+ if self.num_labels == 1:
1266
+ loss = loss_fct(logits.squeeze().float(), labels.squeeze())
1267
+ else:
1268
+ loss = loss_fct(logits.float(), labels)
1269
+ elif self.config.problem_type == "single_label_classification":
1270
+ loss_fct = CrossEntropyLoss()
1271
+ loss = loss_fct(logits.view(-1, self.num_labels).float(), labels.view(-1))
1272
+ elif self.config.problem_type == "multi_label_classification":
1273
+ loss_fct = BCEWithLogitsLoss()
1274
+ loss = loss_fct(logits.float(), labels.view(-1, self.num_labels))
1275
+
1276
+ if not return_dict:
1277
+ output = (logits,) + transformer_outputs[1:]
1278
+ return ((loss,) + output) if loss is not None else output
1279
+
1280
+ return SequenceClassifierOutputWithPast(
1281
+ loss=loss,
1282
+ logits=logits,
1283
+ past_key_values=transformer_outputs.past_key_values,
1284
+ hidden_states=transformer_outputs.hidden_states,
1285
+ attentions=transformer_outputs.attentions,
1286
+ )
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+ "transformer.encoder.layers.5.input_layernorm.weight": "pytorch_model-00003-of-00015.bin",
171
+ "transformer.encoder.layers.5.mlp.dense_4h_to_h.weight": "pytorch_model-00004-of-00015.bin",
172
+ "transformer.encoder.layers.5.mlp.dense_h_to_4h.weight": "pytorch_model-00004-of-00015.bin",
173
+ "transformer.encoder.layers.5.post_attention_layernorm.weight": "pytorch_model-00003-of-00015.bin",
174
+ "transformer.encoder.layers.5.self_attention.dense.weight": "pytorch_model-00003-of-00015.bin",
175
+ "transformer.encoder.layers.5.self_attention.query_key_value.bias": "pytorch_model-00003-of-00015.bin",
176
+ "transformer.encoder.layers.5.self_attention.query_key_value.weight": "pytorch_model-00003-of-00015.bin",
177
+ "transformer.encoder.layers.6.input_layernorm.weight": "pytorch_model-00004-of-00015.bin",
178
+ "transformer.encoder.layers.6.mlp.dense_4h_to_h.weight": "pytorch_model-00004-of-00015.bin",
179
+ "transformer.encoder.layers.6.mlp.dense_h_to_4h.weight": "pytorch_model-00004-of-00015.bin",
180
+ "transformer.encoder.layers.6.post_attention_layernorm.weight": "pytorch_model-00004-of-00015.bin",
181
+ "transformer.encoder.layers.6.self_attention.dense.weight": "pytorch_model-00004-of-00015.bin",
182
+ "transformer.encoder.layers.6.self_attention.query_key_value.bias": "pytorch_model-00004-of-00015.bin",
183
+ "transformer.encoder.layers.6.self_attention.query_key_value.weight": "pytorch_model-00004-of-00015.bin",
184
+ "transformer.encoder.layers.7.input_layernorm.weight": "pytorch_model-00004-of-00015.bin",
185
+ "transformer.encoder.layers.7.mlp.dense_4h_to_h.weight": "pytorch_model-00005-of-00015.bin",
186
+ "transformer.encoder.layers.7.mlp.dense_h_to_4h.weight": "pytorch_model-00005-of-00015.bin",
187
+ "transformer.encoder.layers.7.post_attention_layernorm.weight": "pytorch_model-00004-of-00015.bin",
188
+ "transformer.encoder.layers.7.self_attention.dense.weight": "pytorch_model-00004-of-00015.bin",
189
+ "transformer.encoder.layers.7.self_attention.query_key_value.bias": "pytorch_model-00004-of-00015.bin",
190
+ "transformer.encoder.layers.7.self_attention.query_key_value.weight": "pytorch_model-00004-of-00015.bin",
191
+ "transformer.encoder.layers.8.input_layernorm.weight": "pytorch_model-00005-of-00015.bin",
192
+ "transformer.encoder.layers.8.mlp.dense_4h_to_h.weight": "pytorch_model-00005-of-00015.bin",
193
+ "transformer.encoder.layers.8.mlp.dense_h_to_4h.weight": "pytorch_model-00005-of-00015.bin",
194
+ "transformer.encoder.layers.8.post_attention_layernorm.weight": "pytorch_model-00005-of-00015.bin",
195
+ "transformer.encoder.layers.8.self_attention.dense.weight": "pytorch_model-00005-of-00015.bin",
196
+ "transformer.encoder.layers.8.self_attention.query_key_value.bias": "pytorch_model-00005-of-00015.bin",
197
+ "transformer.encoder.layers.8.self_attention.query_key_value.weight": "pytorch_model-00005-of-00015.bin",
198
+ "transformer.encoder.layers.9.input_layernorm.weight": "pytorch_model-00005-of-00015.bin",
199
+ "transformer.encoder.layers.9.mlp.dense_4h_to_h.weight": "pytorch_model-00006-of-00015.bin",
200
+ "transformer.encoder.layers.9.mlp.dense_h_to_4h.weight": "pytorch_model-00006-of-00015.bin",
201
+ "transformer.encoder.layers.9.post_attention_layernorm.weight": "pytorch_model-00005-of-00015.bin",
202
+ "transformer.encoder.layers.9.self_attention.dense.weight": "pytorch_model-00005-of-00015.bin",
203
+ "transformer.encoder.layers.9.self_attention.query_key_value.bias": "pytorch_model-00005-of-00015.bin",
204
+ "transformer.encoder.layers.9.self_attention.query_key_value.weight": "pytorch_model-00005-of-00015.bin",
205
+ "transformer.output_layer.weight": "pytorch_model-00015-of-00015.bin",
206
+ "transformer.rotary_pos_emb.inv_freq": "pytorch_model-00001-of-00015.bin"
207
+ }
208
+ }
quantization.py ADDED
@@ -0,0 +1,188 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ from torch.nn import Linear
2
+ from torch.nn.parameter import Parameter
3
+
4
+ import bz2
5
+ import torch
6
+ import base64
7
+ import ctypes
8
+ from transformers.utils import logging
9
+
10
+ from typing import List
11
+ from functools import partial
12
+
13
+ logger = logging.get_logger(__name__)
14
+
15
+ try:
16
+ from cpm_kernels.kernels.base import LazyKernelCModule, KernelFunction, round_up
17
+
18
+ class Kernel:
19
+ def __init__(self, code: bytes, function_names: List[str]):
20
+ self.code = code
21
+ self._function_names = function_names
22
+ self._cmodule = LazyKernelCModule(self.code)
23
+
24
+ for name in self._function_names:
25
+ setattr(self, name, KernelFunction(self._cmodule, name))
26
+
27
+ quantization_code = "$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"
28
+
29
+ kernels = Kernel(
30
+ bz2.decompress(base64.b64decode(quantization_code)),
31
+ [
32
+ "int4WeightCompression",
33
+ "int4WeightExtractionFloat",
34
+ "int4WeightExtractionHalf",
35
+ "int8WeightExtractionFloat",
36
+ "int8WeightExtractionHalf",
37
+ ],
38
+ )
39
+ except Exception as exception:
40
+ kernels = None
41
+ logger.warning("Failed to load cpm_kernels:" + str(exception))
42
+
43
+
44
+ class W8A16Linear(torch.autograd.Function):
45
+ @staticmethod
46
+ def forward(ctx, inp: torch.Tensor, quant_w: torch.Tensor, scale_w: torch.Tensor, weight_bit_width):
47
+ ctx.inp_shape = inp.size()
48
+ ctx.weight_bit_width = weight_bit_width
49
+ out_features = quant_w.size(0)
50
+ inp = inp.contiguous().view(-1, inp.size(-1))
51
+ weight = extract_weight_to_half(quant_w, scale_w, weight_bit_width)
52
+ ctx.weight_shape = weight.size()
53
+ output = inp.mm(weight.t())
54
+ ctx.save_for_backward(inp, quant_w, scale_w)
55
+ return output.view(*(ctx.inp_shape[:-1] + (out_features,)))
56
+
57
+ @staticmethod
58
+ def backward(ctx, grad_output: torch.Tensor):
59
+ inp, quant_w, scale_w = ctx.saved_tensors
60
+ weight = extract_weight_to_half(quant_w, scale_w, ctx.weight_bit_width)
61
+ grad_output = grad_output.contiguous().view(-1, weight.size(0))
62
+ grad_input = grad_output.mm(weight)
63
+ grad_weight = grad_output.t().mm(inp)
64
+ return grad_input.view(ctx.inp_shape), grad_weight.view(ctx.weight_shape), None, None
65
+
66
+
67
+ def compress_int4_weight(weight: torch.Tensor): # (n, m)
68
+ with torch.cuda.device(weight.device):
69
+ n, m = weight.size(0), weight.size(1)
70
+ assert m % 2 == 0
71
+ m = m // 2
72
+ out = torch.empty(n, m, dtype=torch.int8, device="cuda")
73
+ stream = torch.cuda.current_stream()
74
+
75
+ gridDim = (n, 1, 1)
76
+ blockDim = (min(round_up(m, 32), 1024), 1, 1)
77
+
78
+ kernels.int4WeightCompression(
79
+ gridDim,
80
+ blockDim,
81
+ 0,
82
+ stream,
83
+ [ctypes.c_void_p(weight.data_ptr()), ctypes.c_void_p(out.data_ptr()), ctypes.c_int32(n), ctypes.c_int32(m)],
84
+ )
85
+ return out
86
+
87
+
88
+ def extract_weight_to_half(weight: torch.Tensor, scale_list: torch.Tensor, source_bit_width: int):
89
+ assert scale_list.dtype in [torch.half, torch.bfloat16]
90
+ assert weight.dtype in [torch.int8]
91
+ if source_bit_width == 8:
92
+ return weight.to(scale_list.dtype) * scale_list[:, None]
93
+ elif source_bit_width == 4:
94
+ func = (
95
+ kernels.int4WeightExtractionHalf if scale_list.dtype == torch.half else kernels.int4WeightExtractionBFloat16
96
+ )
97
+ else:
98
+ assert False, "Unsupported bit-width"
99
+
100
+ with torch.cuda.device(weight.device):
101
+ n, m = weight.size(0), weight.size(1)
102
+ out = torch.empty(n, m * (8 // source_bit_width), dtype=scale_list.dtype, device="cuda")
103
+ stream = torch.cuda.current_stream()
104
+
105
+ gridDim = (n, 1, 1)
106
+ blockDim = (min(round_up(m, 32), 1024), 1, 1)
107
+
108
+ func(
109
+ gridDim,
110
+ blockDim,
111
+ 0,
112
+ stream,
113
+ [
114
+ ctypes.c_void_p(weight.data_ptr()),
115
+ ctypes.c_void_p(scale_list.data_ptr()),
116
+ ctypes.c_void_p(out.data_ptr()),
117
+ ctypes.c_int32(n),
118
+ ctypes.c_int32(m),
119
+ ],
120
+ )
121
+ return out
122
+
123
+
124
+ class QuantizedLinear(torch.nn.Module):
125
+ def __init__(self, weight_bit_width: int, weight, bias=None, device="cpu", dtype=None, empty_init=False, *args,
126
+ **kwargs):
127
+ super().__init__()
128
+ self.weight_bit_width = weight_bit_width
129
+
130
+ shape = weight.shape
131
+
132
+ if weight is None or empty_init:
133
+ self.weight = torch.empty(shape[0], shape[1] * weight_bit_width // 8, dtype=torch.int8, device=device)
134
+ self.weight_scale = torch.empty(shape[0], dtype=dtype, device=device)
135
+ else:
136
+ self.weight_scale = weight.abs().max(dim=-1).values / ((2 ** (weight_bit_width - 1)) - 1)
137
+ self.weight = torch.round(weight / self.weight_scale[:, None]).to(torch.int8)
138
+ if weight_bit_width == 4:
139
+ self.weight = compress_int4_weight(self.weight)
140
+
141
+ self.weight = Parameter(self.weight.to(device), requires_grad=False)
142
+ self.weight_scale = Parameter(self.weight_scale.to(device), requires_grad=False)
143
+ self.bias = Parameter(bias.to(device), requires_grad=False) if bias is not None else None
144
+
145
+ def forward(self, input):
146
+ output = W8A16Linear.apply(input, self.weight, self.weight_scale, self.weight_bit_width)
147
+ if self.bias is not None:
148
+ output = output + self.bias
149
+ return output
150
+
151
+
152
+ def quantize(model, weight_bit_width, empty_init=False, device=None):
153
+ """Replace fp16 linear with quantized linear"""
154
+ for layer in model.layers:
155
+ layer.self_attention.query_key_value = QuantizedLinear(
156
+ weight_bit_width=weight_bit_width,
157
+ weight=layer.self_attention.query_key_value.weight.to(torch.cuda.current_device()),
158
+ bias=layer.self_attention.query_key_value.bias,
159
+ dtype=layer.self_attention.query_key_value.weight.dtype,
160
+ device=layer.self_attention.query_key_value.weight.device if device is None else device,
161
+ empty_init=empty_init
162
+ )
163
+ layer.self_attention.dense = QuantizedLinear(
164
+ weight_bit_width=weight_bit_width,
165
+ weight=layer.self_attention.dense.weight.to(torch.cuda.current_device()),
166
+ bias=layer.self_attention.dense.bias,
167
+ dtype=layer.self_attention.dense.weight.dtype,
168
+ device=layer.self_attention.dense.weight.device if device is None else device,
169
+ empty_init=empty_init
170
+ )
171
+ layer.mlp.dense_h_to_4h = QuantizedLinear(
172
+ weight_bit_width=weight_bit_width,
173
+ weight=layer.mlp.dense_h_to_4h.weight.to(torch.cuda.current_device()),
174
+ bias=layer.mlp.dense_h_to_4h.bias,
175
+ dtype=layer.mlp.dense_h_to_4h.weight.dtype,
176
+ device=layer.mlp.dense_h_to_4h.weight.device if device is None else device,
177
+ empty_init=empty_init
178
+ )
179
+ layer.mlp.dense_4h_to_h = QuantizedLinear(
180
+ weight_bit_width=weight_bit_width,
181
+ weight=layer.mlp.dense_4h_to_h.weight.to(torch.cuda.current_device()),
182
+ bias=layer.mlp.dense_4h_to_h.bias,
183
+ dtype=layer.mlp.dense_4h_to_h.weight.dtype,
184
+ device=layer.mlp.dense_4h_to_h.weight.device if device is None else device,
185
+ empty_init=empty_init
186
+ )
187
+
188
+ return model
special_tokens_map.json ADDED
@@ -0,0 +1 @@
 
 
1
+ {}
tokenization.py ADDED
@@ -0,0 +1,283 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import json
2
+ import os
3
+ import torch
4
+ from typing import List, Optional, Union, Dict
5
+ from sentencepiece import SentencePieceProcessor
6
+ from transformers import PreTrainedTokenizer
7
+ from transformers.utils import logging, PaddingStrategy
8
+ from transformers.tokenization_utils_base import EncodedInput, BatchEncoding
9
+
10
+
11
+ class SPTokenizer:
12
+ def __init__(self, model_path: str):
13
+ # reload tokenizer
14
+ assert os.path.isfile(model_path), model_path
15
+ self.sp_model = SentencePieceProcessor(model_file=model_path)
16
+
17
+ # BOS / EOS token IDs
18
+ self.n_words: int = self.sp_model.vocab_size()
19
+ self.bos_id: int = self.sp_model.bos_id()
20
+ self.eos_id: int = self.sp_model.eos_id()
21
+ self.pad_id: int = self.sp_model.unk_id()
22
+ assert self.sp_model.vocab_size() == self.sp_model.get_piece_size()
23
+
24
+ special_tokens = ["[MASK]", "[gMASK]", "[sMASK]", "sop", "eop", "<|system|>", "<|user|>", "<|assistant|>",
25
+ "<|observation|>"]
26
+ self.special_tokens = {}
27
+ self.index_special_tokens = {}
28
+ for token in special_tokens:
29
+ self.special_tokens[token] = self.n_words
30
+ self.index_special_tokens[self.n_words] = token
31
+ self.n_words += 1
32
+
33
+ def tokenize(self, s: str):
34
+ return self.sp_model.EncodeAsPieces(s)
35
+
36
+ def encode(self, s: str, bos: bool = False, eos: bool = False) -> List[int]:
37
+ assert type(s) is str
38
+ t = self.sp_model.encode(s)
39
+ if bos:
40
+ t = [self.bos_id] + t
41
+ if eos:
42
+ t = t + [self.eos_id]
43
+ return t
44
+
45
+ def decode(self, t: List[int]) -> str:
46
+ text, buffer = "", []
47
+ for token in t:
48
+ if token in self.index_special_tokens:
49
+ if buffer:
50
+ text += self.sp_model.decode(buffer)
51
+ buffer = []
52
+ text += self.index_special_tokens[token]
53
+ else:
54
+ buffer.append(token)
55
+ if buffer:
56
+ text += self.sp_model.decode(buffer)
57
+ return text
58
+
59
+ def decode_tokens(self, tokens: List[str]) -> str:
60
+ text = self.sp_model.DecodePieces(tokens)
61
+ return text
62
+
63
+ def convert_token_to_id(self, token):
64
+ """ Converts a token (str) in an id using the vocab. """
65
+ if token in self.special_tokens:
66
+ return self.special_tokens[token]
67
+ return self.sp_model.PieceToId(token)
68
+
69
+ def convert_id_to_token(self, index):
70
+ """Converts an index (integer) in a token (str) using the vocab."""
71
+ if index in self.index_special_tokens:
72
+ return self.index_special_tokens[index]
73
+ if index in [self.eos_id, self.bos_id, self.pad_id] or index < 0:
74
+ return ""
75
+ return self.sp_model.IdToPiece(index)
76
+
77
+
78
+ class ChatGLMTokenizer(PreTrainedTokenizer):
79
+ vocab_files_names = {"vocab_file": "tokenizer.model"}
80
+
81
+ model_input_names = ["input_ids", "attention_mask", "position_ids"]
82
+
83
+ def __init__(self, vocab_file, padding_side="left", clean_up_tokenization_spaces=False, **kwargs):
84
+ self.name = "GLMTokenizer"
85
+
86
+ self.vocab_file = vocab_file
87
+ self.tokenizer = SPTokenizer(vocab_file)
88
+ self.special_tokens = {
89
+ "<bos>": self.tokenizer.bos_id,
90
+ "<eos>": self.tokenizer.eos_id,
91
+ "<pad>": self.tokenizer.pad_id
92
+ }
93
+ super().__init__(padding_side=padding_side, clean_up_tokenization_spaces=clean_up_tokenization_spaces, **kwargs)
94
+
95
+ def get_command(self, token):
96
+ if token in self.special_tokens:
97
+ return self.special_tokens[token]
98
+ assert token in self.tokenizer.special_tokens, f"{token} is not a special token for {self.name}"
99
+ return self.tokenizer.special_tokens[token]
100
+
101
+ @property
102
+ def unk_token(self) -> str:
103
+ return "<unk>"
104
+
105
+ @property
106
+ def pad_token(self) -> str:
107
+ return "<unk>"
108
+
109
+ @property
110
+ def pad_token_id(self):
111
+ return self.get_command("<pad>")
112
+
113
+ @property
114
+ def eos_token(self) -> str:
115
+ return "</s>"
116
+
117
+ @property
118
+ def eos_token_id(self):
119
+ return self.get_command("<eos>")
120
+
121
+ @property
122
+ def vocab_size(self):
123
+ return self.tokenizer.n_words
124
+
125
+ def get_vocab(self):
126
+ """ Returns vocab as a dict """
127
+ vocab = {self._convert_id_to_token(i): i for i in range(self.vocab_size)}
128
+ vocab.update(self.added_tokens_encoder)
129
+ return vocab
130
+
131
+ def _tokenize(self, text, **kwargs):
132
+ return self.tokenizer.tokenize(text)
133
+
134
+ def _convert_token_to_id(self, token):
135
+ """ Converts a token (str) in an id using the vocab. """
136
+ return self.tokenizer.convert_token_to_id(token)
137
+
138
+ def _convert_id_to_token(self, index):
139
+ """Converts an index (integer) in a token (str) using the vocab."""
140
+ return self.tokenizer.convert_id_to_token(index)
141
+
142
+ def convert_tokens_to_string(self, tokens: List[str]) -> str:
143
+ return self.tokenizer.decode_tokens(tokens)
144
+
145
+ def save_vocabulary(self, save_directory, filename_prefix=None):
146
+ """
147
+ Save the vocabulary and special tokens file to a directory.
148
+
149
+ Args:
150
+ save_directory (`str`):
151
+ The directory in which to save the vocabulary.
152
+ filename_prefix (`str`, *optional*):
153
+ An optional prefix to add to the named of the saved files.
154
+
155
+ Returns:
156
+ `Tuple(str)`: Paths to the files saved.
157
+ """
158
+ if os.path.isdir(save_directory):
159
+ vocab_file = os.path.join(
160
+ save_directory, self.vocab_files_names["vocab_file"]
161
+ )
162
+ else:
163
+ vocab_file = save_directory
164
+
165
+ with open(self.vocab_file, 'rb') as fin:
166
+ proto_str = fin.read()
167
+
168
+ with open(vocab_file, "wb") as writer:
169
+ writer.write(proto_str)
170
+
171
+ return (vocab_file,)
172
+
173
+ def get_prefix_tokens(self):
174
+ prefix_tokens = [self.get_command("[gMASK]"), self.get_command("sop")]
175
+ return prefix_tokens
176
+
177
+ def build_single_message(self, role, metadata, message):
178
+ assert role in ["system", "user", "assistant", "observation"], role
179
+ role_tokens = [self.get_command(f"<|{role}|>")] + self.tokenizer.encode(f"{metadata}\n")
180
+ message_tokens = self.tokenizer.encode(message)
181
+ tokens = role_tokens + message_tokens
182
+ return tokens
183
+
184
+ def build_chat_input(self, query, history=None, role="user"):
185
+ if history is None:
186
+ history = []
187
+ input_ids = []
188
+ for item in history:
189
+ content = item["content"]
190
+ if item["role"] == "system" and "tools" in item:
191
+ content = content + "\n" + json.dumps(item["tools"], indent=4, ensure_ascii=False)
192
+ input_ids.extend(self.build_single_message(item["role"], item.get("metadata", ""), content))
193
+ input_ids.extend(self.build_single_message(role, "", query))
194
+ input_ids.extend([self.get_command("<|assistant|>")])
195
+ return self.batch_encode_plus([input_ids], return_tensors="pt", is_split_into_words=True)
196
+
197
+ def build_inputs_with_special_tokens(
198
+ self, token_ids_0: List[int], token_ids_1: Optional[List[int]] = None
199
+ ) -> List[int]:
200
+ """
201
+ Build model inputs from a sequence or a pair of sequence for sequence classification tasks by concatenating and
202
+ adding special tokens. A BERT sequence has the following format:
203
+
204
+ - single sequence: `[CLS] X [SEP]`
205
+ - pair of sequences: `[CLS] A [SEP] B [SEP]`
206
+
207
+ Args:
208
+ token_ids_0 (`List[int]`):
209
+ List of IDs to which the special tokens will be added.
210
+ token_ids_1 (`List[int]`, *optional*):
211
+ Optional second list of IDs for sequence pairs.
212
+
213
+ Returns:
214
+ `List[int]`: List of [input IDs](../glossary#input-ids) with the appropriate special tokens.
215
+ """
216
+ prefix_tokens = self.get_prefix_tokens()
217
+ token_ids_0 = prefix_tokens + token_ids_0
218
+ if token_ids_1 is not None:
219
+ token_ids_0 = token_ids_0 + token_ids_1 + [self.get_command("<eos>")]
220
+ return token_ids_0
221
+
222
+ def _pad(
223
+ self,
224
+ encoded_inputs: Union[Dict[str, EncodedInput], BatchEncoding],
225
+ max_length: Optional[int] = None,
226
+ padding_strategy: PaddingStrategy = PaddingStrategy.DO_NOT_PAD,
227
+ pad_to_multiple_of: Optional[int] = None,
228
+ return_attention_mask: Optional[bool] = None,
229
+ ) -> dict:
230
+ """
231
+ Pad encoded inputs (on left/right and up to predefined length or max length in the batch)
232
+
233
+ Args:
234
+ encoded_inputs:
235
+ Dictionary of tokenized inputs (`List[int]`) or batch of tokenized inputs (`List[List[int]]`).
236
+ max_length: maximum length of the returned list and optionally padding length (see below).
237
+ Will truncate by taking into account the special tokens.
238
+ padding_strategy: PaddingStrategy to use for padding.
239
+
240
+ - PaddingStrategy.LONGEST Pad to the longest sequence in the batch
241
+ - PaddingStrategy.MAX_LENGTH: Pad to the max length (default)
242
+ - PaddingStrategy.DO_NOT_PAD: Do not pad
243
+ The tokenizer padding sides are defined in self.padding_side:
244
+
245
+ - 'left': pads on the left of the sequences
246
+ - 'right': pads on the right of the sequences
247
+ pad_to_multiple_of: (optional) Integer if set will pad the sequence to a multiple of the provided value.
248
+ This is especially useful to enable the use of Tensor Core on NVIDIA hardware with compute capability
249
+ `>= 7.5` (Volta).
250
+ return_attention_mask:
251
+ (optional) Set to False to avoid returning attention mask (default: set to model specifics)
252
+ """
253
+ # Load from model defaults
254
+ assert self.padding_side == "left"
255
+
256
+ required_input = encoded_inputs[self.model_input_names[0]]
257
+ seq_length = len(required_input)
258
+
259
+ if padding_strategy == PaddingStrategy.LONGEST:
260
+ max_length = len(required_input)
261
+
262
+ if max_length is not None and pad_to_multiple_of is not None and (max_length % pad_to_multiple_of != 0):
263
+ max_length = ((max_length // pad_to_multiple_of) + 1) * pad_to_multiple_of
264
+
265
+ needs_to_be_padded = padding_strategy != PaddingStrategy.DO_NOT_PAD and len(required_input) != max_length
266
+
267
+ # Initialize attention mask if not present.
268
+ if "attention_mask" not in encoded_inputs:
269
+ encoded_inputs["attention_mask"] = [1] * seq_length
270
+
271
+ if "position_ids" not in encoded_inputs:
272
+ encoded_inputs["position_ids"] = list(range(seq_length))
273
+
274
+ if needs_to_be_padded:
275
+ difference = max_length - len(required_input)
276
+
277
+ if "attention_mask" in encoded_inputs:
278
+ encoded_inputs["attention_mask"] = [0] * difference + encoded_inputs["attention_mask"]
279
+ if "position_ids" in encoded_inputs:
280
+ encoded_inputs["position_ids"] = [0] * difference + encoded_inputs["position_ids"]
281
+ encoded_inputs[self.model_input_names[0]] = [self.pad_token_id] * difference + required_input
282
+
283
+ return encoded_inputs
tokenizer.model ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:e7dc4c393423b76e4373e5157ddc34803a0189ba96b21ddbb40269d31468a6f2
3
+ size 1018370
tokenizer_config.json ADDED
@@ -0,0 +1,17 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {
2
+ "added_tokens_decoder": {},
3
+ "additional_special_tokens": [],
4
+ "auto_map": {
5
+ "AutoTokenizer": [
6
+ "tokenization.ChatGLMTokenizer",
7
+ null
8
+ ]
9
+ },
10
+ "clean_up_tokenization_spaces": false,
11
+ "do_lower_case": false,
12
+ "model_max_length": 1000000000000000019884624838656,
13
+ "padding_side": "left",
14
+ "remove_space": false,
15
+ "tokenizer_class": "ChatGLMTokenizer",
16
+ "tokenizer_file": null
17
+ }