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1 Parent(s): 6920ada
config.json ADDED
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1
+ {
2
+ "_from_model_config": true,
3
+ "_name_or_path": "./baichuan-13b-hq",
4
+ "architectures": [
5
+ "BaichuanForCausalLM"
6
+ ],
7
+ "auto_map": {
8
+ "AutoConfig": "configuration_baichuan.BaichuanConfig",
9
+ "AutoModelForCausalLM": "modeling_baichuan.BaichuanForCausalLM"
10
+ },
11
+ "bos_token_id": 1,
12
+ "eos_token_id": 2,
13
+ "hidden_act": "silu",
14
+ "hidden_size": 5120,
15
+ "initializer_range": 0.02,
16
+ "intermediate_size": 13696,
17
+ "model_max_length": 4096,
18
+ "model_type": "baichuan",
19
+ "num_attention_heads": 40,
20
+ "num_hidden_layers": 40,
21
+ "pad_token_id": 0,
22
+ "rms_norm_eps": 1e-06,
23
+ "tie_word_embeddings": false,
24
+ "torch_dtype": "float32",
25
+ "transformers_version": "4.31.0",
26
+ "use_cache": true,
27
+ "vocab_size": 64016
28
+ }
configuration_baichuan.py ADDED
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1
+ # Copyright (c) 2023, Baichuan Intelligent Technology. All rights reserved.
2
+
3
+ from transformers.configuration_utils import PretrainedConfig
4
+
5
+ class BaichuanConfig(PretrainedConfig):
6
+ model_type = "baichuan"
7
+ keys_to_ignore_at_inference = ["past_key_values"]
8
+
9
+ def __init__(
10
+ self,
11
+ vocab_size=64000,
12
+ hidden_size=5120,
13
+ intermediate_size=13696,
14
+ num_hidden_layers=40,
15
+ num_attention_heads=40,
16
+ hidden_act="silu",
17
+ model_max_length=4096,
18
+ initializer_range=0.02,
19
+ rms_norm_eps=1e-6,
20
+ use_cache=True,
21
+ pad_token_id=0,
22
+ bos_token_id=1,
23
+ eos_token_id=2,
24
+ tie_word_embeddings=False,
25
+ gradient_checkpointing=False,
26
+ **kwargs,
27
+ ):
28
+ self.vocab_size = vocab_size
29
+ self.model_max_length = model_max_length
30
+ self.hidden_size = hidden_size
31
+ self.intermediate_size = intermediate_size
32
+ self.num_hidden_layers = num_hidden_layers
33
+ self.num_attention_heads = num_attention_heads
34
+ self.hidden_act = hidden_act
35
+ self.initializer_range = initializer_range
36
+ self.rms_norm_eps = rms_norm_eps
37
+ self.use_cache = use_cache
38
+ self.gradient_checkpointing = gradient_checkpointing,
39
+ super().__init__(
40
+ pad_token_id=pad_token_id,
41
+ bos_token_id=bos_token_id,
42
+ eos_token_id=eos_token_id,
43
+ tie_word_embeddings=tie_word_embeddings,
44
+ **kwargs,
45
+ )
46
+
generation_config.json ADDED
@@ -0,0 +1,7 @@
 
 
 
 
 
 
 
 
1
+ {
2
+ "_from_model_config": true,
3
+ "bos_token_id": 1,
4
+ "eos_token_id": 2,
5
+ "pad_token_id": 0,
6
+ "transformers_version": "4.31.0"
7
+ }
modeling_baichuan.py ADDED
@@ -0,0 +1,554 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ # Copyright (c) 2023, Baichuan Intelligent Technology. All rights reserved.
2
+
3
+ import math
4
+ from typing import List, Optional, Tuple, Union
5
+
6
+ import torch
7
+ import torch.utils.checkpoint
8
+ from torch.nn import CrossEntropyLoss
9
+ from transformers import PreTrainedModel
10
+ from transformers.activations import ACT2FN
11
+ from transformers.modeling_outputs import BaseModelOutputWithPast, CausalLMOutputWithPast
12
+ from transformers.utils import logging
13
+ from transformers.generation.utils import GenerationConfig
14
+
15
+ from .configuration_baichuan import BaichuanConfig
16
+
17
+ logger = logging.get_logger(__name__)
18
+
19
+ def _get_interleave(n):
20
+ def _get_interleave_power_of_2(n):
21
+ start = (2 ** (-2 ** -(math.log2(n) - 3)))
22
+ ratio = start
23
+ return [start * ratio ** i for i in range(n)]
24
+
25
+ if math.log2(n).is_integer():
26
+ return _get_interleave_power_of_2(n)
27
+ else:
28
+ closest_power_of_2 = 2 ** math.floor(math.log2(n))
29
+ return _get_interleave_power_of_2(closest_power_of_2) + \
30
+ _get_interleave(2 * closest_power_of_2)[0::2][:n - closest_power_of_2]
31
+
32
+ def _fill_with_neg_inf(t):
33
+ """FP16-compatible function that fills a tensor with -inf."""
34
+ return t.float().fill_(float("-inf")).type_as(t)
35
+
36
+ def _gen_alibi_mask(n_head, max_pos):
37
+ slopes = torch.Tensor(_get_interleave(n_head))
38
+ alibi = slopes.unsqueeze(1).unsqueeze(1) * torch.arange(max_pos).unsqueeze(0).unsqueeze(0).expand(
39
+ n_head, -1, -1)
40
+ alibi = alibi.view(n_head, 1, max_pos)
41
+ alibi_mask = torch.triu(
42
+ _fill_with_neg_inf(torch.zeros([max_pos, max_pos])), 1
43
+ )
44
+ alibi_mask = alibi_mask.unsqueeze(0) + alibi
45
+ return alibi_mask
46
+
47
+
48
+ class RMSNorm(torch.nn.Module):
49
+ def __init__(self, hidden_size, epsilon=1e-6):
50
+ super().__init__()
51
+ self.weight = torch.nn.Parameter(torch.empty(hidden_size))
52
+ self.epsilon = epsilon
53
+
54
+ def forward(self, hidden_states):
55
+ variance = hidden_states.to(torch.float32).pow(2).mean(-1, keepdim=True)
56
+ hidden_states = hidden_states * torch.rsqrt(variance + self.epsilon)
57
+
58
+ # convert into half-precision
59
+ if self.weight.dtype in [torch.float16, torch.bfloat16]:
60
+ hidden_states = hidden_states.to(self.weight.dtype)
61
+
62
+ return self.weight * hidden_states
63
+
64
+
65
+ class MLP(torch.nn.Module):
66
+ def __init__(
67
+ self,
68
+ hidden_size: int,
69
+ intermediate_size: int,
70
+ hidden_act: str,
71
+ ):
72
+ super().__init__()
73
+ self.gate_proj = torch.nn.Linear(hidden_size, intermediate_size, bias=False)
74
+ self.down_proj = torch.nn.Linear(intermediate_size, hidden_size, bias=False)
75
+ self.up_proj = torch.nn.Linear(hidden_size, intermediate_size, bias=False)
76
+ self.act_fn = ACT2FN[hidden_act]
77
+
78
+ def forward(self, x):
79
+ return self.down_proj(self.act_fn(self.gate_proj(x)) * self.up_proj(x))
80
+
81
+
82
+ class BaichuanAttention(torch.nn.Module):
83
+
84
+ def __init__(self, config: BaichuanConfig):
85
+ super().__init__()
86
+ self.config = config
87
+ self.hidden_size = config.hidden_size
88
+ self.num_heads = config.num_attention_heads
89
+ self.head_dim = self.hidden_size // self.num_heads
90
+ self.max_position_embeddings = config.model_max_length
91
+
92
+ if (self.head_dim * self.num_heads) != self.hidden_size:
93
+ raise ValueError(
94
+ f"hidden_size {self.hidden_size} is not divisible by num_heads {self.num_heads}"
95
+ )
96
+ self.W_pack = torch.nn.Linear(self.hidden_size, 3 * self.hidden_size, bias=False)
97
+ self.o_proj = torch.nn.Linear(self.num_heads * self.head_dim, self.hidden_size, bias=False)
98
+
99
+ def _shape(self, tensor: torch.Tensor, seq_len: int, bsz: int):
100
+ return tensor.view(bsz, seq_len, self.num_heads, self.head_dim).transpose(1, 2).contiguous()
101
+
102
+ def forward(
103
+ self,
104
+ hidden_states: torch.Tensor,
105
+ attention_mask: Optional[torch.Tensor] = None,
106
+ past_key_value: Optional[Tuple[torch.Tensor]] = None,
107
+ output_attentions: bool = False,
108
+ use_cache: bool = False,
109
+ ) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
110
+
111
+ bsz, q_len, _ = hidden_states.size()
112
+
113
+ proj = self.W_pack(hidden_states)
114
+ proj = proj.unflatten(-1, (3, self.hidden_size)).unsqueeze(0).transpose(0, -2).squeeze(-2)
115
+ query_states = proj[0].view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
116
+ key_states = proj[1].view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
117
+ value_states = proj[2].view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
118
+
119
+ kv_seq_len = key_states.shape[-2]
120
+ if past_key_value is not None:
121
+ kv_seq_len += past_key_value[0].shape[-2]
122
+
123
+ if past_key_value is not None:
124
+ # reuse k, v, self_attention
125
+ key_states = torch.cat([past_key_value[0], key_states], dim=2)
126
+ value_states = torch.cat([past_key_value[1], value_states], dim=2)
127
+
128
+ past_key_value = (key_states, value_states) if use_cache else None
129
+
130
+ attn_weights = torch.matmul(query_states, key_states.transpose(2, 3)) / math.sqrt(self.head_dim)
131
+
132
+ if attention_mask is not None:
133
+ if attn_weights.size(-2) == 1:
134
+ attention_mask = attention_mask[:, -1:, :]
135
+ attn_weights = attn_weights + attention_mask.unsqueeze(0)
136
+ attn_weights = torch.max(attn_weights, torch.tensor(torch.finfo(attn_weights.dtype).min))
137
+
138
+ attn_weights = torch.nn.functional.softmax(attn_weights, dim=-1)
139
+ attn_output = torch.matmul(attn_weights, value_states)
140
+
141
+ attn_output = attn_output.transpose(1, 2)
142
+ attn_output = attn_output.reshape(bsz, q_len, self.hidden_size)
143
+ attn_output = self.o_proj(attn_output)
144
+
145
+ if not output_attentions:
146
+ attn_weights = None
147
+
148
+ return attn_output, attn_weights, past_key_value
149
+
150
+
151
+ class BaichuanLayer(torch.nn.Module):
152
+ def __init__(self, config: BaichuanConfig):
153
+ super().__init__()
154
+ self.hidden_size = config.hidden_size
155
+ self.self_attn = BaichuanAttention(config=config)
156
+ self.mlp = MLP(
157
+ hidden_size=self.hidden_size,
158
+ intermediate_size=config.intermediate_size,
159
+ hidden_act=config.hidden_act,
160
+ )
161
+ self.input_layernorm = RMSNorm(config.hidden_size, epsilon=config.rms_norm_eps)
162
+ self.post_attention_layernorm = RMSNorm(config.hidden_size, epsilon=config.rms_norm_eps)
163
+
164
+ def forward(
165
+ self,
166
+ hidden_states: torch.Tensor,
167
+ attention_mask: Optional[torch.Tensor] = None,
168
+ past_key_value: Optional[Tuple[torch.Tensor]] = None,
169
+ output_attentions: Optional[bool] = False,
170
+ use_cache: Optional[bool] = False,
171
+ ) -> Tuple[torch.FloatTensor, Optional[Tuple[torch.FloatTensor, torch.FloatTensor]]]:
172
+
173
+ residual = hidden_states
174
+
175
+ hidden_states = self.input_layernorm(hidden_states)
176
+
177
+ # Self Attention
178
+ hidden_states, self_attn_weights, present_key_value = self.self_attn(
179
+ hidden_states=hidden_states,
180
+ attention_mask=attention_mask,
181
+ past_key_value=past_key_value,
182
+ output_attentions=output_attentions,
183
+ use_cache=use_cache,
184
+ )
185
+ hidden_states = residual + hidden_states
186
+
187
+ # Fully Connected
188
+ residual = hidden_states
189
+ hidden_states = self.post_attention_layernorm(hidden_states)
190
+ hidden_states = self.mlp(hidden_states)
191
+ hidden_states = residual + hidden_states
192
+
193
+ outputs = (hidden_states,)
194
+
195
+ if use_cache:
196
+ outputs += (present_key_value,)
197
+
198
+ return outputs
199
+
200
+
201
+ class BaichuanPreTrainedModel(PreTrainedModel):
202
+ config_class = BaichuanConfig
203
+ base_model_prefix = "model"
204
+ supports_gradient_checkpointing = True
205
+ _no_split_modules = ["BaichuanLayer"]
206
+ _keys_to_ignore_on_load_unexpected = [r"decoder\.version"]
207
+
208
+ def _init_weights(self, module):
209
+ std = self.config.initializer_range
210
+ if isinstance(module, torch.nn.Linear):
211
+ module.weight.data.normal_(mean=0.0, std=std)
212
+ if module.bias is not None:
213
+ module.bias.data.zero_()
214
+ elif isinstance(module, torch.nn.Embedding):
215
+ module.weight.data.normal_(mean=0.0, std=std)
216
+ if module.padding_idx is not None:
217
+ module.weight.data[module.padding_idx].zero_()
218
+
219
+ def _set_gradient_checkpointing(self, module, value=False):
220
+ if isinstance(module, BaichuanModel):
221
+ module.gradient_checkpointing = value
222
+
223
+
224
+
225
+ class BaichuanModel(BaichuanPreTrainedModel):
226
+ def __init__(self, config: BaichuanConfig):
227
+ super().__init__(config)
228
+ self.padding_idx = config.pad_token_id
229
+ self.vocab_size = config.vocab_size
230
+ self.n_head = config.num_attention_heads
231
+ self.embed_tokens = torch.nn.Embedding(config.vocab_size, config.hidden_size, self.padding_idx)
232
+ self.layers = torch.nn.ModuleList([BaichuanLayer(config) for _ in range(config.num_hidden_layers)])
233
+ self.norm = RMSNorm(config.hidden_size, epsilon=config.rms_norm_eps)
234
+
235
+ self.gradient_checkpointing = config.gradient_checkpointing
236
+ self.post_init()
237
+ self.max_cache_pos = config.model_max_length
238
+ self.first_run = True
239
+
240
+ def get_input_embeddings(self):
241
+ return self.embed_tokens
242
+
243
+ def set_input_embeddings(self, value):
244
+ self.embed_tokens = value
245
+
246
+ def get_alibi_mask(self, tensor, seq_length_with_past):
247
+ if self.first_run:
248
+ self.first_run = False
249
+ self.register_buffer("future_mask", _gen_alibi_mask(self.n_head, self.max_cache_pos).to(tensor), persistent=False)
250
+ if seq_length_with_past > self.max_cache_pos:
251
+ self.max_cache_pos = seq_length_with_past
252
+ self.register_buffer("future_mask", _gen_alibi_mask(self.n_head, self.max_cache_pos).to(tensor), persistent=False)
253
+ mask = self.future_mask[:self.n_head, :seq_length_with_past, :seq_length_with_past]
254
+ return mask
255
+
256
+ def forward(
257
+ self,
258
+ input_ids: torch.LongTensor = None,
259
+ past_key_values: Optional[List[torch.FloatTensor]] = None,
260
+ inputs_embeds: Optional[torch.FloatTensor] = None,
261
+ use_cache: Optional[bool] = False,
262
+ output_attentions: Optional[bool] = False,
263
+ output_hidden_states: Optional[bool] = False,
264
+ return_dict: Optional[bool] = True,
265
+ ) -> Union[Tuple, BaseModelOutputWithPast]:
266
+
267
+
268
+ if input_ids is not None and inputs_embeds is not None:
269
+ raise ValueError("You cannot provide both input_ids and inputs_embeds simultaneously")
270
+ elif input_ids is not None:
271
+ batch_size, seq_length = input_ids.shape
272
+ elif inputs_embeds is not None:
273
+ batch_size, seq_length, _ = inputs_embeds.shape
274
+ else:
275
+ raise ValueError("You need to provide input_ids or inputs_embeds")
276
+
277
+ seq_length_with_past = seq_length
278
+
279
+ if past_key_values is not None:
280
+ past_key_values_length = past_key_values[0][0].shape[2]
281
+ seq_length_with_past = seq_length_with_past + past_key_values_length
282
+
283
+ if inputs_embeds is None:
284
+ inputs_embeds = self.embed_tokens(input_ids)
285
+
286
+ # embed positions
287
+ attention_mask = self.get_alibi_mask(inputs_embeds, seq_length_with_past)
288
+
289
+ hidden_states = inputs_embeds
290
+
291
+ if self.gradient_checkpointing and self.training:
292
+ if use_cache:
293
+ logger.warning_once(
294
+ "`use_cache=True` is incompatible with gradient checkpointing. Setting `use_cache=False`..."
295
+ )
296
+ use_cache = False
297
+
298
+ # decoder layers
299
+ all_hidden_states = () if output_hidden_states else None
300
+ all_self_attns = () if output_attentions else None
301
+ next_decoder_cache = () if use_cache else None
302
+
303
+ for idx, decoder_layer in enumerate(self.layers):
304
+ if output_hidden_states:
305
+ all_hidden_states += (hidden_states,)
306
+
307
+ past_key_value = past_key_values[idx] if past_key_values is not None else None
308
+
309
+ if self.gradient_checkpointing and self.training:
310
+
311
+ def create_custom_forward(module):
312
+ def custom_forward(*inputs):
313
+ # None for past_key_value
314
+ return module(*inputs, output_attentions, None)
315
+
316
+ return custom_forward
317
+
318
+ layer_outputs = torch.utils.checkpoint.checkpoint(
319
+ create_custom_forward(decoder_layer),
320
+ hidden_states,
321
+ attention_mask,
322
+ None,
323
+ )
324
+ else:
325
+ layer_outputs = decoder_layer(
326
+ hidden_states,
327
+ attention_mask=attention_mask,
328
+ past_key_value=past_key_value,
329
+ output_attentions=output_attentions,
330
+ use_cache=use_cache,
331
+ )
332
+
333
+ hidden_states = layer_outputs[0]
334
+
335
+ if use_cache:
336
+ next_decoder_cache += (layer_outputs[2 if output_attentions else 1],)
337
+
338
+ if output_attentions:
339
+ all_self_attns += (layer_outputs[1],)
340
+
341
+ hidden_states = self.norm(hidden_states)
342
+
343
+ # add hidden states from the last decoder layer
344
+ if output_hidden_states:
345
+ all_hidden_states += (hidden_states,)
346
+
347
+ next_cache = next_decoder_cache if use_cache else None
348
+ if not return_dict:
349
+ return tuple(v for v in [hidden_states, next_cache, all_hidden_states, all_self_attns] if v is not None)
350
+ return BaseModelOutputWithPast(
351
+ last_hidden_state=hidden_states,
352
+ past_key_values=next_cache,
353
+ hidden_states=all_hidden_states,
354
+ attentions=all_self_attns,
355
+ )
356
+
357
+
358
+ class BaichuanForCausalLM(BaichuanPreTrainedModel):
359
+ def __init__(self, config):
360
+ super().__init__(config)
361
+ self.model = BaichuanModel(config)
362
+ self.lm_head = torch.nn.Linear(config.hidden_size, config.vocab_size, bias=False)
363
+
364
+ # Initialize weights and apply final processing
365
+ self.post_init()
366
+
367
+ def get_input_embeddings(self):
368
+ return self.model.embed_tokens
369
+
370
+ def set_input_embeddings(self, value):
371
+ self.model.embed_tokens = value
372
+
373
+ def get_output_embeddings(self):
374
+ return self.lm_head
375
+
376
+ def set_output_embeddings(self, new_embeddings):
377
+ self.lm_head = new_embeddings
378
+
379
+ def set_decoder(self, decoder):
380
+ self.model = decoder
381
+
382
+ def get_decoder(self):
383
+ return self.model
384
+
385
+ def forward(
386
+ self,
387
+ input_ids: torch.LongTensor = None,
388
+ past_key_values: Optional[List[torch.FloatTensor]] = None,
389
+ inputs_embeds: Optional[torch.FloatTensor] = None,
390
+ labels: Optional[torch.LongTensor] = None,
391
+ use_cache: Optional[bool] = None,
392
+ output_attentions: Optional[bool] = False,
393
+ output_hidden_states: Optional[bool] = False,
394
+ return_dict: Optional[bool] = True,
395
+ **kwargs
396
+ ) -> Union[Tuple, CausalLMOutputWithPast]:
397
+
398
+
399
+ # decoder outputs consists of (dec_features, layer_state, dec_hidden, dec_attn)
400
+ outputs = self.model(
401
+ input_ids=input_ids,
402
+ past_key_values=past_key_values,
403
+ inputs_embeds=inputs_embeds,
404
+ use_cache=use_cache,
405
+ output_attentions=output_attentions,
406
+ output_hidden_states=output_hidden_states,
407
+ return_dict=return_dict,
408
+ )
409
+
410
+ hidden_states = outputs[0]
411
+ logits = self.lm_head(hidden_states)
412
+
413
+ loss = None
414
+ if labels is not None:
415
+ # Shift so that tokens < n predict n
416
+ shift_logits = logits[..., :-1, :].contiguous()
417
+ shift_labels = labels[..., 1:].contiguous()
418
+ # Flatten the tokens
419
+ loss_fct = CrossEntropyLoss()
420
+ shift_logits = shift_logits.view(-1, self.config.vocab_size)
421
+ shift_labels = shift_labels.view(-1)
422
+ # Enable model parallelism
423
+ shift_labels = shift_labels.to(shift_logits.device)
424
+ loss = loss_fct(shift_logits, shift_labels)
425
+
426
+ if not return_dict:
427
+ output = (logits,) + outputs[1:]
428
+ return (loss,) + output if loss is not None else output
429
+
430
+ return CausalLMOutputWithPast(
431
+ loss=loss,
432
+ logits=logits,
433
+ past_key_values=outputs.past_key_values,
434
+ hidden_states=outputs.hidden_states,
435
+ attentions=outputs.attentions,
436
+ )
437
+
438
+ def prepare_inputs_for_generation(
439
+ self, input_ids, past_key_values=None, attention_mask=None, inputs_embeds=None, **kwargs
440
+ ):
441
+ if past_key_values:
442
+ input_ids = input_ids[:, -1:]
443
+
444
+ # if `inputs_embeds` are passed, we only want to use them in the 1st generation step
445
+ if inputs_embeds is not None and past_key_values is None:
446
+ model_inputs = {"inputs_embeds": inputs_embeds}
447
+ else:
448
+ model_inputs = {"input_ids": input_ids}
449
+
450
+ model_inputs.update(
451
+ {
452
+ "past_key_values": past_key_values,
453
+ "use_cache": kwargs.get("use_cache"),
454
+ }
455
+ )
456
+ return model_inputs
457
+
458
+ @staticmethod
459
+ def _reorder_cache(past_key_values, beam_idx):
460
+ return tuple(
461
+ tuple(past_state.index_select(0, beam_idx) for past_state in layer_past)
462
+ for layer_past in past_key_values
463
+ )
464
+
465
+
466
+ def quantize(self, bits: int):
467
+ try:
468
+ from .quantizer import QLinear
469
+ except ImportError:
470
+ raise ImportError(
471
+ f"Needs QLinear to run quantize."
472
+ )
473
+
474
+ for layer in self.model.layers:
475
+ layer.self_attn.W_pack = QLinear(
476
+ bits=bits,
477
+ weight=layer.self_attn.W_pack.weight,
478
+ bias = None,
479
+ )
480
+ layer.self_attn.o_proj = QLinear(
481
+ bits=bits,
482
+ weight=layer.self_attn.o_proj.weight,
483
+ bias = None,
484
+ )
485
+ layer.mlp.gate_proj = QLinear(
486
+ bits=bits,
487
+ weight=layer.mlp.gate_proj.weight,
488
+ bias = None,
489
+ )
490
+ layer.mlp.down_proj = QLinear(
491
+ bits=bits,
492
+ weight=layer.mlp.down_proj.weight,
493
+ bias = None,
494
+ )
495
+ layer.mlp.up_proj = QLinear(
496
+ bits=bits,
497
+ weight=layer.mlp.up_proj.weight,
498
+ bias = None,
499
+ )
500
+ return self
501
+
502
+ def _build_chat_input(self, tokenizer, messages: List[dict], max_new_tokens: int=0):
503
+ max_new_tokens = max_new_tokens or self.generation_config.max_new_tokens
504
+ max_input_tokens = self.config.model_max_length - max_new_tokens
505
+ max_input_tokens = max(self.config.model_max_length // 2, max_input_tokens)
506
+ total_input, round_input = [], []
507
+ for i, message in enumerate(messages[::-1]):
508
+ content_tokens = tokenizer.encode(message['content'])
509
+ if message['role'] == 'user':
510
+ round_input = [self.generation_config.user_token_id] + content_tokens + round_input
511
+ if total_input and len(total_input) + len(round_input) > max_input_tokens:
512
+ break
513
+ else:
514
+ total_input = round_input + total_input
515
+ if len(total_input) >= max_input_tokens:
516
+ break
517
+ else:
518
+ round_input = []
519
+ elif message['role'] == 'assistant':
520
+ round_input = [
521
+ self.generation_config.assistant_token_id
522
+ ] + content_tokens + [
523
+ self.generation_config.eos_token_id
524
+ ] + round_input
525
+ else:
526
+ raise ValueError(f"message role not supported yet: {message['role']}")
527
+ total_input = total_input[-max_input_tokens:] # truncate left
528
+ total_input.append(self.generation_config.assistant_token_id)
529
+ total_input = torch.LongTensor([total_input]).to(self.device)
530
+ return total_input
531
+
532
+ @torch.no_grad()
533
+ def chat(self, tokenizer, messages: List[dict], stream=False,
534
+ generation_config: Optional[GenerationConfig]=None):
535
+ generation_config = generation_config or self.generation_config
536
+ input_ids = self._build_chat_input(tokenizer, messages, generation_config.max_new_tokens)
537
+ if stream:
538
+ from transformers_stream_generator.main import NewGenerationMixin, StreamGenerationConfig
539
+ self.__class__.generate = NewGenerationMixin.generate
540
+ self.__class__.sample_stream = NewGenerationMixin.sample_stream
541
+ stream_config = StreamGenerationConfig(**generation_config.to_dict(), do_stream=True)
542
+
543
+ def stream_generator():
544
+ outputs = []
545
+ for token in self.generate(input_ids, generation_config=stream_config):
546
+ outputs.append(token.item())
547
+ yield tokenizer.decode(outputs, skip_special_tokens=True)
548
+
549
+ return stream_generator()
550
+ else:
551
+ self.__class__.generate = PreTrainedModel.generate # disable stream
552
+ outputs = self.generate(input_ids, generation_config=generation_config)
553
+ response = tokenizer.decode(outputs[0][len(input_ids[0]):], skip_special_tokens=True)
554
+ return response
pytorch_model.bin.index.json ADDED
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+ }
290
+ }
quantizer.py ADDED
@@ -0,0 +1,123 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ # Copyright (c) 2023, Baichuan Intelligent Technology. All rights reserved.
2
+
3
+ import torch
4
+ from typing import List
5
+ import bz2
6
+ import base64
7
+ import ctypes
8
+ from transformers.utils import logging
9
+ logger = logging.get_logger(__name__)
10
+
11
+ try:
12
+ from cpm_kernels.kernels.base import LazyKernelCModule, KernelFunction, round_up
13
+
14
+ class Kernel:
15
+ def __init__(self, code: bytes, function_names: List[str]):
16
+ self.code = code
17
+ self._function_names = function_names
18
+ self._cmodule = LazyKernelCModule(self.code)
19
+
20
+ for name in self._function_names:
21
+ setattr(self, name, KernelFunction(self._cmodule, name))
22
+ quantization_code = 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X/aQkYgSLdftV0Id/5gf3lOuNNC0799E3uYYtpMg6yABaJz5en+HpUfveNBXeYA8Whj8TtZK60F8V863ndv3PwKagCzpXtfv1APjaUgxkGLtptiZPR9vldS2Bfy0pT3RXWJlLCCj+GpAz28S4v0YQrYE7We9WpbVXz7KVTWEtoXM/UPZhYnpzdeokWJdNHQ6JQLxp7bOfci50rBcdOdhOqmyeC7B2rL6rxd969Xxc9L4zMrsqZ0+DoaPeSn8Y5QMLTOLpdvz1qaOO5xT1xPjgKnhTYa5pzi5U+bDcHXzYdxpgAbbhf/e8aBprxka5aM2J3lYXBG5G/r7CunzcPyjz2o79z8eDKkMvdO9WixswXLu3TkpoYcV0465fwUxoxC6L9Zwc+QsLDfqipk3wMSSRkBPM8Bxrwt0Mjr4IWW9Tw+Kw23yTbUyYJqrgNaq7saBKAdzYXMQ6mkrfqt72Lk0YwiZmIKkXUgChISCZMMrwdnjWbJDoR5ZXGxxAX5uRBfHBOk6JS8VVVWd56zxf8v3uR0/zON57e6BDuqIcQDJ7H0q5BNPaWbExYw2Bj4tRM9kB+JfynyyEfR/7ZiPXRFLmwpGGjLF9G6/J65mkUZEaKrUdBZYUxFKqGJL4LAbEfZjLi4GYXhv+x3ZpHkC3YADdMsKeYmfKgtzUd+Y7dVngbdcEFGAL3VqaYfYAYMtY3YKIQumTVXUFTFQyU0bqIeMgV2WOcZFXICpoMvueYVy0mHAiaeyNg1p5/QmSbYgyb7WQdUPfY3QeKc0hewGB2z2vH9t+pvy7B6P21pG+wXCMQHZl30TJonLPhQg8nka+raw1OLPUVWvIidrloKjcLH6/YAwepAoWEykQ9Bw2+YU/N5dbXnsNcPbubOszstYSwQYATYulLN0AHAgwb5t+VfATV6uhICgRgDGUaoVNNLc9ZMMW5+qKVhOyoRMLzJolo17ACLDPes+aoyeD5aIZm46HHKV7KqGX1IGbYEEDaAh0Vj+43wIMep+e+gsP4UEgVjmMAWTPz2XZhQDA6/Vzbk0fK+v0+bNB12LRbfmsufKzRgw7Hp7b+J+N2LqWXdwWTvhQ2rIPjc2cgS2A4Ub7IflPitJFAPyFvbvHK+tXi0Zcbi6mO6HTaIydOeYDmSYUIACAZwJCEgueoJnU7W6WfGdWtl1TdD4WHQ8AgDnmNUD+2YrjxNum3+1R9B+XSiSGrVLcFrVC/Z9R7D8DslIGyMPXbJAFthAMNYs7OdlqPilZtnwtReItC2Ff5vD8mQHwayX/vh1LB+HwoefoZ6LWUKb7WH6D0FmEhEKgwAayAYsoKUCcPepjDQYfA2TMWHoiS1lspYmEi2HdFULic/ucQlrFCCwPxyDeITAUsiAUFggCtZuDuVPLvVtM4WCG6DlrLwBL1JAaQFWuf7/uHZ1WAHEBuz9BMrshS8OhZpwrmYpgUIFoauEJQxtrw2iu9bT1ZLik/F26jhZblz7739qomvexIWc5hKq/GfFAebrnq/23mGuisbZhiROtNdFBDwqCBc2zrTYMfhMPwIF0s37CzzvYKeLjIfQZ3D2N6o+FRgDOkDGFGjCDiy9cJBVMOBWJ1AjDIxTAz/LwSRYuyzhHyDiECf0P53hWshYcMslf0PC0tWfLlUztN1xTxhwgkAudx+IE+NuS3phgEhRBo5lXEG6KhGydUzSU2WphfuFy0VkjH2AIPddbJ679s70tkL1rBEEEEmFgwK5pRCB6ZC5EX7ZCkCTI1pQUDJAwhQoosjBZFAjelFmydnwH9j46Ei5DD9ZaOvgT54UpSh4mD7FR2rjbJjFFdyOauUAjNr/DYBQJkLsUsd2mAXDIMHOuu8ULJhkx21G0UL7fnlqIPfiwdblRpcEaxVjru+6bHpdvj38qAOr1rUACbHrKGDWLFjGCBGYoGREGZBh4aGauRARRTmJdfJBWYoCDdFrBtCgYo6H8NyRIvFfbeTFjxF9riIiIiJABkRljjGMYx1mizcSoJ9AAFqKHXgBBgYnYjs06fFb2fl/bceQ8TeN4h1jrKPd/Pbtl3dl3fnbu7u7u7u7u7u7u7u7u79ZxeoA2gbgjyqd70779v47Lsepzo6y18vJkhQMaDKDNhYbWPpJA6hsD3pzguE4gtOhzrtDoDA3oMbPVBY/3fi0DbkWt7GQwMw2BtpNpeKt+v6KytGxxqCQ8JoLCGKIALFxqwIOeI7fqckjnW8eHjcW3xehEp2SWhvmrtDDdoBSOn6jSjQCgLuhd+EBOwr3q9GbUewJDA4QvH+DpFwt+JbtP30yJTy10KFMLT8MmAGUKkqn3DQHSmTACxjEheIpDhGuZT/WrsHgP+ly7Bsto8UYb2bBvwPRV1O/WaEbmIEMEbQtfphLgUDADF7nayfXs1CXBxYOi1aG36B7rr5EX31tzoym2bTIWw0maxvM3Gs+KAOSMztimS4oGQokBRf5dGKNykDp8tH9chWc9k7/6I+SxG5cZSnx52CFhoDqaZ8wBethxjRVKaRfCZTeBpi6ZNdZFjROy9x6tdgMem0rtuH6wbAz9tKvlhJ0JUP1e+2xVgroJFw8tQxLPdwVnLVMDu+mmfk9b5mK3qMNwiMyBqFaajMIgCDBYUXbdKwwVVhoMXL5YLkI5FFviIkYQTNamuapRILAqCSAYSsIOOVAtAUUrDwBSthRBgyVAM1wBrIQhhTlJKQIwFnj+b+aXuJyerhwx7HxQLofddtH71c6UuefecFIrANhfgkaIt5KL4iV43tMeP17BD8D7Dl8+AQTGQfz/rp3JWOfDodJOcvDAquYl1QQiHknUmAQ3lYpRUtJEUowXnnJnOZjZzdINlj+y7lXBb2uPR6a2E5AC3S6dBaJxYl1qyRXwQ15QflVkAK8AmAwql/n4frTztb/XRXV9J3eXRfv0MuB1OShRrtbrfdudwKxsAYC+QHiNISbAQu46ffUU/Flrw68uJ5L+7p69JjfglHs5PSd0bjADZeFsIWCqy0kQ20m3CskYLPShb0aoDdHoJBUQVEirAUgeRTtUBwAa0INXTIBPMHp9AongtXzSfuWCFQfDtzRuYRVG3WIXUjEg7b2vBZKT4ESq2tTcMyGXlqZN+uJ3CaGHEJB/3Q6/xrGIGIxyzCG5tLlSXx61sy0Bra4IFaYrjF1zJj5JPK/SslbN65uYffnqtyIX9zren+rrSsXVVhq8VZ6DFpnBVlD48AoMeltsyGSZSpdUjR6bM9J+oHRVmhpp2HBv+N4PXeS76ctP4LOLvreBzzyCr2v1K7eBo+dr2gwZ2x9k6EpHd7pNRl6Pv+IgXtj4WmtlEUQxkzWOVcT6jcLrhax5PVvgurz9q7DtdWriVdnpnTlTrQqdvWN6ZNr4OdpMM/T5Gg8irLXS/YOgvhteS49VEj8+IfNiPOf8MfMkUw+lYehdNxKZnNbjIoJiqRY1KVGIOWpRtq4m6GCyiypZKKzWBQq5j8RYJE0NCiyjJmgUmDBi8BoJgMVJYXMF4aGDL2XQ4HDKaRGaGhctNBrShK0bSU1BpFoRaTkkCCUWaDCx1MUXQCaGRhgoqhCHmzrFyZwUFG27KVdmNgbChCbZNAMghZRoXKM0CMEXaUTZswtBpLoCkxONrpa2wL0qn0mw2eV0yXs1MGgGSTcAo/GELIbpoe+8gKSqpV0ZIoIa4UCcM2EdVikuAPuDlU89YsXrb9Zb+Pr/F8NexBBbEwTQs9HmsQGBYPoK6bZKDvj9yyALrlOaMbLpKxRM+njvB4id/1Y1WPm3K2A0BVSlgWJNjYxne6JZ8mZfv7w1Nm3/GFOiwonktduZaRH2loGGhNBUlQiHENkybM8pBim0iaXcpE8dAF4GodlriMfOGH6hHY20huVvSlLDBRKHQ4Y3SyKrmCcy7ZZMDyNqVWWwpS+RHQaYnmEURGCKmQc8ARghpQffVMwK2vz6V97O+59X5foz4jUfN33Z49cKeKObXDE1rNvV2QaDOLOi+R0fl+RM8jVQ7QgNiDMzMgUCLlYO71Vn7X7vF0UcSZX1pu+s+xC4MZXNQCl0/rb68aAY3rOJ/jaw7EOYIIlln6V+oFpwZLOUjUVHfe6pdjXgAqsD219Ri16edZ03hcjePW71C29Wy0nTw5YIfs/Y9sNovb+v8vA1P7beB5bQmvEv59b+BnUs8yqQ5/cLKV0EZRMOGHmpsMrPidWDXTyP3fuO+w/9+kbujeEbdg+n4WXJQBn1kL3Py/M1JnkOu70oufaRPG6bsd6SUhq1TALBZAhKpoyMIvkQGRAzJD+udGR9e+WlVzjlJeqELl+D2smL4vG6BUFpiKHDwqftFBbX+9VV338vNg+5kL11bd1yrZaYZrGW36mrUIRi/MVgrNNITCj++zpFSOrRLE+Prlr3mYOP1TtXvtpOwLP5Kmt+3zZvXSsOXW+ix6mXS5mb1MnTvW0u8yHF356RuzXUyeGiLTe+IvXvKmJrEymIxQT9QMSU8WTHgnJi1BgP/WoqICgO21v9Hiw8IaXJY1619oEj/3cb/7R/nddLm6VA5xoN0t3XY6Hiep4VGnzs/Od0hj8f39YuAC5HvfwvWuOeV5fz820AAGglyrLFDjUrv//M/fwNdsEvj0MrTXrV8vLZfMvKMAzJ0/Sda/28/N0QniGmKhoagYUYMGp8IFDrOoi40L48r/SLxfSSDw9TM4P4vUeHE+iTmchyj7Vmwp7m7dejVSNZx+2Is5jzuf+HmHr2aml3fWein0wnXnxne72A86Cc3hrzXgbfc7lNQiJuGMljn2Y8pgXjrTczIy1teeafy8Tz8vmzBWAAFXfojX/x4Kv/YFNprgURbUBytnsI9/0WeuKmZjrWcumUGQgRDIEUsAwZkQMwPsGTJjpTEw7YAwCs7Oxn2XE+hexXn+z/L7HC65bJhCR3SxMdHngfkGgqJnhYzTGjw9StB6E4VI6SgkdNEdesLFW0cgxeYq7YABEPlMspZSBtZDQYZMvK9Cbu/UzXvja7MLlO4BfVYkMH5dwAfQ3u9WEkCoveLyp86iGmleemxREJQ0NoFyWpMxsNQCuuLGCdP703Uv1a3JeT7vfpxp8J+o/ft+J70dz7dV+1QEcxyT6REE6vsl2+0Yd8ayjKWBg2j8pRTeGhVxiYZDc6/YatrSzsw56wbWzGkp3FLpa8+60pan1LSvb+rcfyjTyEM7yC5BVyZL4r0qVCMZRc+AMHxlyZMP5QQiFATNqpVSdy8i66S7oSIl4APKPMzOTus/KeI8rrY6qBkuRSWT0y7LGvNz4KBjigkR4r0v9/bluxFmxePnvZRhpjgezOiX6bPa5LZkzsaLjmf6NzPP1ZfH9p7j4MsQL0YMETXjeb/5lAYcJWU1RECXppb+33HdO5Etl4xLXPxfV8cGZ43FFYXKVoMFQHssoAIzyiClcZR8W8vqiACqmcw8DAwzLM+FeLFaAYRiJ1DFqKh2Fcs+6Zd6erYKNpF09oZhCZNX4DO1OL94JPGTBXIPMmPjmDb0GlmwFaWG2CUqSjhc20YNd6Wwzu52BklGYvDcMnERi4Yh1wqwcOlqiLatNe4rj8FcXDxqMSsgYP5/FnSoTq2VVKttXQ3Gxq0q0Shp+qCbIAeWxu1Ynpd88H5zJfn/V+v+5/N7nyR7Q+n02bmML7aF1Sg+a32Ud2eQx2a8dQqTABf2SKJgvKADJgAJV8Rd0Wt1oIVj9nr/ZfC7fkbdqnS9R4eIbqH2HVNjOYdggfFeSAHKIkaC5R2rzEzdxs7dDCzizsiB7OluhJplyBBWKXPmS0tsUNnNs2D8zfW/QTSAr0EcsnQ/YPZBD4D0rHa3rkC2DHq+G97XfliTeY63fQow3RQpyKsCFgdUC2sF7aep4TmSDjlnDDpfIUJ3Ne7AMT4D7xpuM+j1hXBxYcyIpO3bvLubMhwY3Lrr6KfLP4PF0tpDjMOew5rBbSSUJPAfRMkDCSBum/B7S97oYaYZS56rtu79Vh408mfXcm6HcL0Qe7fRiqav0GhPcuxMpZIm/WHpICgBUirY8aK56MaW53+L/x+BbXNrjaySqntSLsoHFEiExu5hX7+yaqu7Ss2LrWVpPp9L8fuVDJdVcPqIQRFv/gWlUadkCUYMxFQf26Nlq3czS1/zwLAGILGRazcevp3q9/0O/YUWwXKvQTQghgHliLIIbcY0XxVr/9oV2++gsQ57NkRK084MjYapPJJ6Gd7WONsJRq6iIJo0GH/kO9e74wvERAiMW7UqLI+2obG59Xcazzvdk2UIhBDN4V/KqrwHJ9EpMftxjsugftMee96M9+G1DfnomWt7OmvNC5TP5/Fa50GNfJjieHFJ0mwlIothDYzg3BQyahykpudGZEmgiK9ViiKhI9ypBUuKuau8PitJWe1r0kVIrV4VRDTDa74vSvBytKDcNCzJ66Oq5G+hTTGgbpBMS6pJTOmrIjb0m9HsPvrI3rQhSkRYc1aEmn4+CFS9MpIxTpLccqtp+dpwTDqQfFDvleEeOfwGuSJEiR4QBtGkWjWrKysrJEiRI3Pd252xBk1NTBRRRZZZZZZZZZe4EJvbjqWGaaZgEypipYBc9da7d615Ozv+0TPBMoiPZt+OB7H2evtWBqyXzg9jgyNarCYQHxeABDu8KyT59xFO4fpXed3nMVTnQhwffnGz0DpW+c5RkbdjYgCQgDV6Sk3OZyVhq5u3M66CH4jQq6byDLwIv8D7ipARoPE7/rm7y2+93QALi1QT9F/QCxMDOQkHeUdC+o3NN9GXve/W1Ua/wcVgmxFD1YTuKB+xQIiSdMyXLjSbjWwNfsJH8DqADRWZHIyjHLolbAN4CAMrT3YQqcfwcVf9TtpcgPfzwWRN7XWJzrS1KzOVWXccRQ+9TusY64JEtzfyHJnKixBwcbgCBAgQiIiIiiqp3Pje3Y4/hFGgiIiqrTGMYxtsZSR3dlixYyrLVZTH79fh8yNTc4ezofRU9vjHOIATEYEQNb4IG7bzkD59jIzRNInn9c62cuu1ZkYpfHu7uokt8nd1Hc6ApKjEt2qqbEG2l6oUPERCkrFLjmUay3EPnj2vUe43MqIYdrm3PZT7WrLfnw7y9is1SEtuI3OsO3EW80l8imWVq1Yje2a7qnbRVNK7eZSUzwnE6j9CLm24oqbZ35UTokBKroRjwJNyCBEACLMRjnOy84O5zJREd0g8Xa+y0W7O3tcCI+46EvAjDUyqYnOCQAfEhYjlWVo9HFVl0Fk1g6rWywYXLyW9gmyJHKcFdans6g078Q9ryUjaXacP7/PvwauCguS3VK61FsSTIa5RZd+GJqurSiskfDyz7d0Bd7WxYHfJfTrpTamo87sRYMCEdyYaUdCzhu3027ABTtQCAnwKi9q3KK/rIpk6zEjGHEvADnOwuJ1nOvPr8XZNswFPZ07G/LauwBMG1tOWNT76s7Jw1OxxW1BImaJT6XUIQ/1VPRP6UZLBjAVwit2h7xS6TLbCUnzPvqOrOfrbFh/ZAFnP7jW/zIMkMNMUk5C20iKshen2HLTcv3ge8jBXRbUso7c88qlYXXozqDXWcHg21XXWzupu9YmNN2aY8W/tJ3ru1cs4YtK5b/YBitp4WYoOvZCpCIC0Ju2+xw3MABgLVFBetW9KA2pqTQMLlkKFfMNANN6+JBLD7W6/i0AiMi2fIgslxtlD+bdgBbDk1FxvsbR+npU23xUVtnBjvadzYRwqwnvWSPbrgxgFM01Y2yuGIJh4HBXDlmKSUokWxg39HUAD4u4+D8ivAiXNQkqnkKxTsDkVM+u/s6rx/w/VPZ1yL9nnzJm2YZ9Wl+9izPDiRnfzWU5Eo5duybQnktKu3b+J3pVuuBmmnebBXfiZtkpUjLRKvtuhD3GDAd3t8lPpMQgVQmkICwxxqhUhLQMPWxbwjlswPn5rmN8Fi0j25H0DYQMgIsU4+OvNxfxINfZR+ndisEVJrn6M1cgs+qsqW2AYv5gIBUG2nAI2sRJdPp0pkIFsJQ9DC0Exajuxg+5pGLShRHi9wPxlNGkITynkwYgPc5Bjm1ceZiqsTuXbr2ZrcqBszMKehW3A7cYHig2nqO46ef4275H+NjUxZ7Yxj0XWdJ+CBStOyj3EqZrP6f8049HRTOibY6aHBkysu7Zy/0S6gyH3v1st5NJVth4dqmwuarDr5z62e9OpPUqH6te3WRJmOs5XNggNsBgGGgo4SSlh/wYAXsqj3aHIiODcmQbAbQltCKcIoU5klptJHQ0l2P4Tgjad8WBWp9XyPm/j3QYeU5tV+GSJ4bCaYcK2PA4Spq7rr4bGK2La8fhcB+ZpbeVZdDoKcxwCBZQgvQmADvnSmoonhrOe7esVg+7JS5aUYwMCekjlC6YlQHUxfh1evKIB8OGrutYZ4YX41h6Jq6hHuvnBsJnjhYHY81i95iJiJTU6/T7VS3gB1qH0ACm35YBe58z7ceWShP5goYAvCcHOTphatcimJSi7e8cPtVNlLBeanev47WzlgmaIlrfg8PQALIwuyc+Ce7PTEdI6IMaL62wH5dzYaANEsRgmxYif+uWKupAwqrJ4eXO3BFsHrOiYQRSnB5GwA01qir3ZWamHuBtKIrzLS3by/XYFMY2AJEnhaR7ycHZFV8q2AKplu2J5dsQ24LL0qZisABXaOzHlwBFOQv0vOYWldhDsVt5f3Y4pEAsNwPQChB5QmJB9EYeqbx1Mx3plDVGMY02NMYxjG228wkHXLQBuctwIzDl0DNb2d3Zr2eV57mni8HxuT3pPieEQB9MdPlRq2ASoAJ5D34BKD2+jwhMSM3k9e3pXf6aOC4LK2IgIYJ4xQMEhhPzy+0BRQRAMTrG+uVq2FlPAAWvayCMW6HdOctiAZvYzmADuOlcPkF5QWJAaMRsb5I0Onl1kWwDFstny1tu3cPUt/f34gagGAiIG0z+LwJMwuBjAAO0oXQ+j2OhzkkDWu/H1iOt9LZS2d9xud3NjEIOUBcEGiLbYAIhuk6kG3QiZ7Vx448qOR0823ux6gaDAo/m7VGENCDY55QyihE8PY2c3FAOq0eB5VrR2rVOD8Pk54g10gYFruoShyCA600IlGADNkNWFwSUq26fo1MfJozZb8ivAWwKtUCnsIy1VVc6gilxgZXuOpIn5NqpQ4t1rnTCc+zVGQ8dLhuE4NDF7wA+sXOKNy3yzCWV69Yg3C0AUAEgSDmXcoIVu+dFgcdgdaEhA+iWl1AC/p9ikx5Lmxupjb3zEXwOwav5pXeGFu/i1uQdRtu2CBnIi7j7vIXJ+0+JkKDrtuikSysRrZuAkIPGGIXa2KOvhm+tzKtliPPcIGhgwSePz0mjUO5L7zzmcZMHoTM00cmhmTJXLHXXVL0wJj4s1MzRHFFiZHJnI5xbqYKxtqajjQWsuDBeCnFPf3bjFXVC0XXPfJZnZvcUOvlJ5TfVc9np7+YKcF8Pr101cACqIsDSQrhevDLMRutoELrdyRd4yc4EBhnWVGVUo4LsLWMYimrKjHNShUXacMGzWd1rteL0aqM9Wd9vU8jWwVgD0CDq0ypYdiu5V1wDsEFjDwLXJ6pe46MvOgOONLlAwPQwQmNUX+2AdnCCSJdjtaAefC8AY7bANwtVktFIQWVBQ95dSmjz8VnKFc5xsXgOQl3TQHPvghbPELlyOR3/IjaKbR4oXeqF4EjmEktr0SghMIXS60jhlBQIfEIJnyehMgiETwigxDpiHows1RgnEalhk2EzYwRLmRwajUmIaCFSzCXWStGaaJgaMaFOidK9crUyN2ZuYmDCMxbjQvOVrOaRTDXXVeCjhum+v9g5xzwDtdCQ0k+kA7IgR/IB4DE2B6gEv0Dv6l1YUCwQl4cgIQLDp7+vyQ0Ua6AogR/cA0tRku3sTszsBxdKvDwb0HSuapgWAtRzrmM+GLTWgg8og8IOyt6ZvFLTvQ6TdIU4jAZ9qJLorPPx8ToMIzve9bunjAzUZTwZAuejvlIVhEDGHZ43P+c2vnuH0s6xLjGN5IxE0xoW1w0CkEhDEzZIIIKKKJQkS+HFVRzrtPvD4ASgRgCszCJ7egCW+IZ1AZrFQIbETEL8gYz6s0SYtQwYi6Qsmdq1IQVCNcDQEDNHPNnw9vKmss525+DcQrAWHAQARzWHlAGPJFvL0qtVnM2mDSOxfDb56lUUmGI9SmNfCBxBRJtxwA+2eJCOmpSpXLFbYv8diZyMpTv2LEbyMNcTJr20IxsYzUrvRbyu5dvYHUZsRs8gfCLXUEVYi8a2a9PXF+ZtLPx0ZOLRblX8XTa0QJJSoa+VKRIKD5RCmFKYOIiBoFAUCXYIXCCWZKNExSIoiMUmCpS01EkRLAsoE0NCxCz8oQK0iCYNZrgS0sWA4zJgpKMgxYZxIN0k6OoboxHmMgmKyNy3rUrA2BW11g0yU50ArBdUNYm7rW6l+FmQDmsfUcr8Nxpt6ME1pzmPW2YuvyqQA1FEqGKaOFgPS4YwF0qjqJ96aNghQyxO4ETMPCpx6cPhE1xsRksh7qapVjAG7QQVa6blYCqhJolWKylASeNpfutZRkWEfehrAM1hps1M6VN9y+8pnOeOL3eSrvGKkr3kEDbExtsYADtYMAhLoFzWdZo6F3T89cLurlkYDQ8iWVgjINJHQatNc/BZZPPYhX7J3dX5zJTnZ1pJIV4y+k2MF25BTUhIvz2okmED6ax7KgYdJtMkMMjHiBpMVmJIippQbqyHkJreoQDGrZe8QH4qNpIBqEHFpVTrJVwkLCu5ds3+pbccosPAGFjP4J0AB15EXRr4rcAbXmibqr2600yb4dM8VbMHACFOCBZhZIxpWCMkDUZIBUQoKpooWCkAnBzOK5na/LqSSLTATYIaabQCteZkFlqs0bDPpuWAcNiRn6GWSnwrsatNVFIK0+WUGVX3p1UghXmamW9amFzoPHfP2Z3WLhW9ZEaq0DQiqOJyRC17MYwQA84eUDjyR/GOBNpNoO1pV6NwwsBZoAgBWz+M+YS5GC+Su1IEB0A5in0LwPQxXq7joeDPBdd3DzF6z96RTojxR29u8vE3GnO6jAa0MBmCuoxyYl/SDsbSpYIlMINttOUZndGWJ2JgBs8s7bw1GhnALOxFBnZayRRjt4bSvH+Ma9WNZSaKBoUDtDEQNIMt5XAZJIvEFZSahWUgL7ADIBAjZYJVAK8NHljSCRbLZdxbuCkFfrZVirL+GkBWYaJFCoglTaEWtiguhCVZNjj+c9eMUMbOVJQmcHOmKmRIKboAMkAbohUflNANgubKuhTXDGSlSKY0PetmdL+7bQoIJCVRY+osfasgH1NADQYBBoYd+dccoSIhapDyYkRkhkYGAZDWCMlJReDHnRJZKAxUYiJmPGYriVoGAkdW2QI785BQQakRBFiFEknMOMGpw8jj8a7sLaWrGrZ5gDnB2Ys6AFHfczh5BvVw8R6n1P4QHEbDeIf/i7kinChIP/Mpng="
23
+ kernels = Kernel(
24
+ bz2.decompress(base64.b64decode(quantization_code)),
25
+ [
26
+ "int4_to_fp16",
27
+ "fp16_to_int4",
28
+ "int8_to_fp16",
29
+ "fp16_to_int8",
30
+ "int4_to_bf16",
31
+ "bf16_to_int4",
32
+ "int8_to_bf16",
33
+ "bf16_to_int8",
34
+ ],
35
+ )
36
+ except Exception as exception:
37
+ kernels = None
38
+ logger.warning("Failed to load kernels:" + str(exception))
39
+
40
+ def quant4(weight: torch.Tensor, scale: torch.Tensor):
41
+ stream = torch.cuda.current_stream()
42
+ num_row = weight.size(0)
43
+ num_chan_fp16 = weight.size(1)
44
+ # 4bit
45
+ num_chan_int = num_chan_fp16 // 8
46
+ qweight = torch.zeros((num_row, num_chan_int), dtype=torch.int32, device=weight.device)
47
+ intweight = torch.empty(num_row, num_chan_fp16, dtype = torch.int32)
48
+ intweight = torch.clip(torch.round(weight.to(scale.dtype) / scale[:, None]),-16, 15).to(dtype=torch.int32)
49
+
50
+ for j in range(num_chan_int):
51
+ qweight[:, j] = ((intweight[:, j*8+7] & 0x0f) << 28) \
52
+ | ((intweight[:, j*8+6] & 0x0f) << 24) \
53
+ | ((intweight[:, j*8+5] & 0x0f) << 20) \
54
+ | ((intweight[:, j*8+4] & 0x0f) << 16) \
55
+ | ((intweight[:, j*8+3] & 0x0f) << 12) \
56
+ | ((intweight[:, j*8+2] & 0x0f) << 8) \
57
+ | ((intweight[:, j*8+1] & 0x0f) << 4) \
58
+ | ((intweight[:, j*8] & 0x0f))
59
+ return qweight
60
+
61
+ def dequant4(qweight: torch.Tensor, scale: torch.Tensor, input: torch.Tensor):
62
+ stream = torch.cuda.current_stream()
63
+ num_row = qweight.size(0)
64
+ num_chan_int = qweight.size(1)
65
+ # 4bit
66
+ num_chan_fp16 = num_chan_int * 8
67
+
68
+ out = torch.empty((num_row, num_chan_fp16), dtype=input.dtype, device=qweight.device)
69
+
70
+ blockDim = (128, 1, 1)
71
+ gridDim = ((num_chan_int + blockDim[0] - 1) // blockDim[0], num_row, 1)
72
+ if input.dtype == torch.bfloat16:
73
+ kernels.int4_to_bf16(
74
+ gridDim,
75
+ blockDim,
76
+ 0,
77
+ stream,
78
+ [ctypes.c_void_p(out.data_ptr()), ctypes.c_void_p(qweight.data_ptr()),
79
+ ctypes.c_void_p(scale.data_ptr()), ctypes.c_int32(num_row), ctypes.c_int32(num_chan_int), ctypes.c_int32(num_chan_fp16)],
80
+ )
81
+ elif input.dtype == torch.float16:
82
+ kernels.int4_to_fp16(
83
+ gridDim,
84
+ blockDim,
85
+ 0,
86
+ stream,
87
+ [ctypes.c_void_p(out.data_ptr()), ctypes.c_void_p(qweight.data_ptr()),
88
+ ctypes.c_void_p(scale.data_ptr()), ctypes.c_int32(num_row), ctypes.c_int32(num_chan_int), ctypes.c_int32(num_chan_fp16)],
89
+ )
90
+ return out
91
+
92
+ class QLinear(torch.nn.Module):
93
+ def __init__(self, bits: int, weight: torch.Tensor, bias=None):
94
+ super().__init__()
95
+ self.quant_bits = bits
96
+ self.scale = weight.abs().max(dim=-1).values / ((2 ** (bits - 1)) - 1)
97
+ self.scale = self.scale.to(torch.float32)
98
+ if self.quant_bits == 4:
99
+ self.weight = quant4(weight, self.scale)
100
+ elif self.quant_bits == 8:
101
+ self.weight = torch.round(weight.to(self.scale.dtype) / self.scale[:, None]).to(torch.int8)
102
+ if self.quant_bits == 8:
103
+ self.weight = self.weight.T
104
+ self.bias = None
105
+
106
+ def forward(self, input):
107
+ if self.quant_bits == 4:
108
+ assert(input.dtype == torch.bfloat16 or input.dtype == torch.float16)
109
+
110
+ if self.weight.device != input.device:
111
+ self.weight = self.weight.to(input.device)
112
+ self.scale = self.scale.to(input.device)
113
+
114
+ if self.quant_bits == 4:
115
+ self.scale = self.scale.to(input.dtype)
116
+ rweight = dequant4(self.weight, self.scale, input).T
117
+ output = torch.matmul(input, rweight)
118
+ elif self.quant_bits == 8:
119
+ rweight = self.weight.to(input.dtype) * self.scale.to(input.dtype)
120
+ output = torch.matmul(input, rweight)
121
+ if self.bias is not None:
122
+ output = output + self.bias
123
+ return output