A high-throughput and memory-efficient inference and serving engine for LLMs
Mirrored from https://github.com/tduncan-lum/Nvidia-Optimization-Stack---VLLM.git
Synced Nov 13, 20:45 UTC
[model] Add support for openPangu_Ultra_MoE (#27521)
Signed-off-by: yuantao <2422264527@qq.com> Signed-off-by: yt0428 <51468697+yt0428@users.noreply.github.com> Co-authored-by: Jee Jee Li <pandaleefree@gmail.com>
yt0428 committed
Nov 5, 2025 at 00:17 UTC
05cae69f0f4f0237779c45a3907aa13ee5a07667
8 files changed
+1379
-1
docs/models/supported_models.md
+2
@@ -404,6 +404,8 @@ th {
404
| `OPTForCausalLM` | OPT, OPT-IML | `facebook/opt-66b`, `facebook/opt-iml-max-30b`, etc. | ✅︎ | ✅︎ |
405
| `OrionForCausalLM` | Orion | `OrionStarAI/Orion-14B-Base`, `OrionStarAI/Orion-14B-Chat`, etc. | | ✅︎ |
406
| `OuroForCausalLM` | ouro | `ByteDance/Ouro-1.4B`, `ByteDance/Ouro-2.6B`, etc. | ✅︎ | |
407
+| `PanguEmbeddedForCausalLM` |openPangu-Embedded-7B | `FreedomIntelligence/openPangu-Embedded-7B-V1.1` | ✅︎ | ✅︎ |
408
+| `PanguUltraMoEForCausalLM` |openpangu-ultra-moe-718b-model | `FreedomIntelligence/openPangu-Ultra-MoE-718B-V1.1` | ✅︎ | ✅︎ |
409
| `PhiForCausalLM` | Phi | `microsoft/phi-1_5`, `microsoft/phi-2`, etc. | ✅︎ | ✅︎ |
410
| `Phi3ForCausalLM` | Phi-4, Phi-3 | `microsoft/Phi-4-mini-instruct`, `microsoft/Phi-4`, `microsoft/Phi-3-mini-4k-instruct`, `microsoft/Phi-3-mini-128k-instruct`, `microsoft/Phi-3-medium-128k-instruct`, etc. | ✅︎ | ✅︎ |
411
| `PhiMoEForCausalLM` | Phi-3.5-MoE | `microsoft/Phi-3.5-MoE-instruct`, etc. | ✅︎ | ✅︎ |
tests/models/registry.py
+13
@@ -363,6 +363,11 @@ _TEXT_GENERATION_EXAMPLE_MODELS = {
363
"Olmo2ForCausalLM": _HfExamplesInfo("allenai/OLMo-2-0425-1B"),
364
"Olmo3ForCausalLM": _HfExamplesInfo("shanearora/2025-sep-a-base-model"),
365
"OlmoeForCausalLM": _HfExamplesInfo("allenai/OLMoE-1B-7B-0924-Instruct"),
366
+ "OpenPanguMTPModel": _HfExamplesInfo(
367
+ "FreedomIntelligence/openPangu-Ultra-MoE-718B-V1.1",
368
+ trust_remote_code=True,
369
+ is_available_online=False,
370
+ ),
371
"OPTForCausalLM": _HfExamplesInfo(
372
"facebook/opt-125m", {"1b": "facebook/opt-iml-max-1.3b"}
373
),
@@ -370,6 +375,14 @@ _TEXT_GENERATION_EXAMPLE_MODELS = {
375
"OrionStarAI/Orion-14B-Chat", trust_remote_code=True
376
),
377
"OuroForCausalLM": _HfExamplesInfo("ByteDance/Ouro-1.4B", trust_remote_code=True),
378
+ "PanguEmbeddedForCausalLM": _HfExamplesInfo(
379
+ "FreedomIntelligence/openPangu-Embedded-7B-V1.1", trust_remote_code=True
380
+ ),
381
+ "PanguUltraMoEForCausalLM": _HfExamplesInfo(
382
+ "FreedomIntelligence/openPangu-Ultra-MoE-718B-V1.1",
383
+ trust_remote_code=True,
384
+ is_available_online=False,
385
+ ),
386
"PersimmonForCausalLM": _HfExamplesInfo("adept/persimmon-8b-chat"),
387
"PhiForCausalLM": _HfExamplesInfo("microsoft/phi-2"),
388
"Phi3ForCausalLM": _HfExamplesInfo("microsoft/Phi-3-mini-4k-instruct"),
vllm/config/model.py
+3
@@ -1231,6 +1231,8 @@ class ModelConfig:
1231
"kimi_k2",
1232
"kimi_linear",
1233
"longcat_flash",
1234
+ "pangu_ultra_moe",
1235
+ "pangu_ultra_moe_mtp",
1236
):
1237
return self.hf_text_config.kv_lora_rank is not None
1238
elif self.hf_text_config.model_type == "eagle":
@@ -1379,6 +1381,7 @@ class ModelConfig:
1381
or self.hf_config.model_type == "glm4_moe_mtp"
1382
or self.hf_config.model_type == "ernie_mtp"
1383
or self.hf_config.model_type == "qwen3_next_mtp"
1384
+ or self.hf_config.model_type == "pangu_ultra_moe_mtp"
1385
):
1386
total_num_hidden_layers = getattr(
1387
self.hf_text_config, "num_nextn_predict_layers", 0
vllm/config/speculative.py
+9
@@ -41,6 +41,7 @@ SpeculativeMethod = Literal[
41
"qwen3_next_mtp",
42
"mimo_mtp",
43
"longcat_flash_mtp",
44
+ "pangu_ultra_moe_mtp",
45
"mtp",
46
"suffix",
47
]
@@ -51,6 +52,7 @@ MTP_MODEL_TYPES = (
52
"ernie_mtp",
53
"qwen3_next_mtp",
54
"longcat_flash_mtp",
55
+ "pangu_ultra_moe_mtp",
56
)
57
58
@@ -179,6 +181,13 @@ class SpeculativeConfig:
181
hf_config.update(
182
{"n_predict": n_predict, "architectures": ["DeepSeekMTPModel"]}
183
)
184
+ if hf_config.model_type in ("pangu_ultra_moe"):
185
+ hf_config.model_type = "pangu_ultra_moe_mtp"
186
+ if hf_config.model_type == "pangu_ultra_moe_mtp":
187
+ n_predict = getattr(hf_config, "num_nextn_predict_layers", None)
188
+ hf_config.update(
189
+ {"n_predict": n_predict, "architectures": ["OpenPanguMTPModel"]}
190
+ )
191
192
if hf_config.architectures[0] == "MiMoForCausalLM":
193
hf_config.model_type = "mimo_mtp"
vllm/model_executor/models/openpangu.py
new
+1078
@@ -0,0 +1,1078 @@
1
+# SPDX-License-Identifier: Apache-2.0
2
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
3
+# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
4
+# Copyright 2023 The vLLM team.
5
+# Copyright 2022 EleutherAI and the HuggingFace Inc. team. All rights reserved.
6
+#
7
+# This code is based on EleutherAI's GPT-NeoX library and the GPT-NeoX
8
+# and OPT implementations in this library. It has been modified from its
9
+# original forms to accommodate minor architectural differences compared
10
+# to GPT-NeoX and OPT used by the Meta AI team that trained the model.
11
+#
12
+# Licensed under the Apache License, Version 2.0 (the "License");
13
+# you may not use this file except in compliance with the License.
14
+# You may obtain a copy of the License at
15
+#
16
+# http://www.apache.org/licenses/LICENSE-2.0
17
+#
18
+# Unless required by applicable law or agreed to in writing, software
19
+# distributed under the License is distributed on an "AS IS" BASIS,
20
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21
+# See the License for the specific language governing permissions and
22
+# limitations under the License.
23
+
24
+import typing
25
+from collections.abc import Callable, Iterable
26
+from typing import Any
27
+
28
+import torch
29
+from torch import nn
30
+from transformers import PretrainedConfig
31
+
32
+from vllm.attention import Attention, AttentionType
33
+from vllm.compilation.decorators import support_torch_compile
34
+from vllm.config import CacheConfig, ParallelConfig, VllmConfig
35
+from vllm.distributed import (
36
+ get_ep_group,
37
+ get_pp_group,
38
+ get_tensor_model_parallel_world_size,
39
+ get_tp_group,
40
+ tensor_model_parallel_all_gather,
41
+)
42
+from vllm.model_executor.layers.activation import SiluAndMul
43
+from vllm.model_executor.layers.fused_moe import SharedFusedMoE
44
+from vllm.model_executor.layers.layernorm import RMSNorm
45
+from vllm.model_executor.layers.linear import (
46
+ ColumnParallelLinear,
47
+ MergedColumnParallelLinear,
48
+ QKVParallelLinear,
49
+ ReplicatedLinear,
50
+ RowParallelLinear,
51
+)
52
+from vllm.model_executor.layers.logits_processor import LogitsProcessor
53
+from vllm.model_executor.layers.mla import MLAModules, MultiHeadLatentAttentionWrapper
54
+from vllm.model_executor.layers.quantization import QuantizationConfig
55
+from vllm.model_executor.layers.rotary_embedding import get_rope
56
+from vllm.model_executor.layers.vocab_parallel_embedding import (
57
+ ParallelLMHead,
58
+ VocabParallelEmbedding,
59
+)
60
+from vllm.model_executor.model_loader.weight_utils import (
61
+ default_weight_loader,
62
+ maybe_remap_kv_scale_name,
63
+)
64
+from vllm.model_executor.models.interfaces import (
65
+ MixtureOfExperts,
66
+ SupportsLoRA,
67
+ SupportsPP,
68
+)
69
+from vllm.model_executor.models.utils import (
70
+ AutoWeightsLoader,
71
+ PPMissingLayer,
72
+ extract_layer_index,
73
+ is_pp_missing_parameter,
74
+ make_empty_intermediate_tensors_factory,
75
+ make_layers,
76
+ maybe_prefix,
77
+ sequence_parallel_chunk,
78
+)
79
+from vllm.sequence import IntermediateTensors
80
+
81
+
82
+def check_ffn_act_fn(act_fn: str):
83
+ if act_fn != "silu":
84
+ raise ValueError(
85
+ f"Unsupported activation: {act_fn}. Only silu is supported for now."
86
+ )
87
+
88
+
89
+class OpenPanguMLP(nn.Module):
90
+ def __init__(
91
+ self,
92
+ hidden_size: int,
93
+ intermediate_size: int,
94
+ hidden_act: str,
95
+ quant_config: QuantizationConfig | None = None,
96
+ bias: bool = False,
97
+ reduce_results: bool = True,
98
+ is_sequence_parallel=False,
99
+ prefix: str = "",
100
+ ) -> None:
101
+ super().__init__()
102
+ self.gate_up_proj = MergedColumnParallelLinear(
103
+ hidden_size,
104
+ [intermediate_size] * 2,
105
+ bias=bias,
106
+ quant_config=quant_config,
107
+ disable_tp=is_sequence_parallel,
108
+ prefix=f"{prefix}.gate_up_proj",
109
+ )
110
+ self.down_proj = RowParallelLinear(
111
+ intermediate_size,
112
+ hidden_size,
113
+ bias=bias,
114
+ quant_config=quant_config,
115
+ reduce_results=reduce_results,
116
+ disable_tp=is_sequence_parallel,
117
+ prefix=f"{prefix}.down_proj",
118
+ )
119
+
120
+ check_ffn_act_fn(hidden_act)
121
+ self.act_fn = SiluAndMul()
122
+
123
+ def forward(self, x: torch.Tensor) -> torch.Tensor:
124
+ return self.down_proj(self.act_fn(self.gate_up_proj(x)[0]))[0]
125
+
126
+
127
+class OpenPanguMoE(nn.Module):
128
+ def __init__(
129
+ self,
130
+ config: PretrainedConfig,
131
+ parallel_config: ParallelConfig,
132
+ quant_config: QuantizationConfig | None = None,
133
+ prefix: str = "",
134
+ ):
135
+ super().__init__()
136
+ self.tp_size = get_tensor_model_parallel_world_size()
137
+ self.tp_rank = get_tp_group().rank_in_group
138
+
139
+ self.routed_scaling_factor = config.routed_scaling_factor
140
+ self.ep_group = get_ep_group().device_group
141
+ self.ep_rank = self.ep_group.rank()
142
+ self.ep_size = self.ep_group.size()
143
+ self.n_routed_experts: int = config.n_routed_experts
144
+ self.n_shared_experts: int = config.n_shared_experts
145
+
146
+ self.is_sequence_parallel = parallel_config.use_sequence_parallel_moe
147
+ check_ffn_act_fn(config.hidden_act)
148
+
149
+ self.gate = ReplicatedLinear(
150
+ config.hidden_size,
151
+ config.n_routed_experts,
152
+ bias=False,
153
+ quant_config=None,
154
+ prefix=f"{prefix}.gate",
155
+ )
156
+ self.gate.e_score_correction_bias = None
157
+
158
+ # Load balancing settings.
159
+ eplb_config = parallel_config.eplb_config
160
+ self.enable_eplb = parallel_config.enable_eplb
161
+
162
+ self.n_redundant_experts = eplb_config.num_redundant_experts
163
+ self.n_logical_experts = self.n_routed_experts
164
+ self.n_physical_experts = self.n_logical_experts + self.n_redundant_experts
165
+ self.n_local_physical_experts = self.n_physical_experts // self.ep_size
166
+
167
+ self.physical_expert_start = self.ep_rank * self.n_local_physical_experts
168
+ self.physical_expert_end = (
169
+ self.physical_expert_start + self.n_local_physical_experts
170
+ )
171
+
172
+ if config.n_shared_experts is not None:
173
+ intermediate_size = config.moe_intermediate_size * config.n_shared_experts
174
+ self.shared_experts = OpenPanguMLP(
175
+ hidden_size=config.hidden_size,
176
+ intermediate_size=intermediate_size,
177
+ hidden_act=config.hidden_act,
178
+ quant_config=quant_config,
179
+ is_sequence_parallel=self.is_sequence_parallel,
180
+ reduce_results=False,
181
+ prefix=f"{prefix}.shared_experts",
182
+ )
183
+ else:
184
+ self.shared_experts = None
185
+
186
+ self.experts = SharedFusedMoE(
187
+ shared_experts=self.shared_experts,
188
+ num_experts=config.n_routed_experts,
189
+ top_k=config.num_experts_per_tok,
190
+ hidden_size=config.hidden_size,
191
+ intermediate_size=config.moe_intermediate_size,
192
+ reduce_results=False,
193
+ renormalize=config.norm_topk_prob,
194
+ quant_config=quant_config,
195
+ use_grouped_topk=True,
196
+ num_expert_group=1,
197
+ topk_group=1,
198
+ prefix=f"{prefix}.experts",
199
+ scoring_func="sigmoid",
200
+ # we do scaling outside, set factor to 1.0 to avoid double mul
201
+ routed_scaling_factor=1.0,
202
+ e_score_correction_bias=self.gate.e_score_correction_bias,
203
+ enable_eplb=self.enable_eplb,
204
+ num_redundant_experts=self.n_redundant_experts,
205
+ is_sequence_parallel=self.is_sequence_parallel,
206
+ )
207
+
208
+ def forward(
209
+ self,
210
+ hidden_states: torch.Tensor,
211
+ ) -> torch.Tensor:
212
+ num_tokens, hidden_dim = hidden_states.shape
213
+ hidden_states = hidden_states.view(-1, hidden_dim)
214
+
215
+ if self.is_sequence_parallel:
216
+ hidden_states = sequence_parallel_chunk(hidden_states)
217
+
218
+ router_logits, _ = self.gate(hidden_states)
219
+
220
+ fused_moe_out = self.experts(
221
+ hidden_states=hidden_states, router_logits=router_logits
222
+ )
223
+
224
+ shared_output, final_hidden_states = fused_moe_out
225
+ if self.shared_experts is None:
226
+ assert shared_output is None
227
+
228
+ if hidden_states.dtype != torch.float16:
229
+ final_hidden_states *= self.routed_scaling_factor
230
+ elif self.shared_experts is not None:
231
+ assert shared_output is not None
232
+ shared_output *= 1.0 / self.routed_scaling_factor
233
+
234
+ if self.shared_experts is not None:
235
+ assert shared_output is not None
236
+ final_hidden_states += shared_output
237
+
238
+ if self.is_sequence_parallel:
239
+ final_hidden_states = tensor_model_parallel_all_gather(
240
+ final_hidden_states, 0
241
+ )
242
+ final_hidden_states = final_hidden_states[:num_tokens]
243
+ elif self.tp_size > 1:
244
+ final_hidden_states = self.experts.maybe_all_reduce_tensor_model_parallel(
245
+ final_hidden_states
246
+ )
247
+
248
+ return final_hidden_states.view(num_tokens, hidden_dim)
249
+
250
+
251
+class OpenPanguMLAAttention(nn.Module):
252
+ def __init__(
253
+ self,
254
+ config: PretrainedConfig,
255
+ hidden_size: int,
256
+ num_heads: int,
257
+ qk_nope_head_dim: int,
258
+ qk_rope_head_dim: int,
259
+ v_head_dim: int,
260
+ q_lora_rank: int | None,
261
+ kv_lora_rank: int,
262
+ rope_theta: float = 10000,
263
+ max_position_embeddings: int = 8192,
264
+ cache_config: CacheConfig | None = None,
265
+ quant_config: QuantizationConfig | None = None,
266
+ prefix: str = "",
267
+ ) -> None:
268
+ super().__init__()
269
+ self.hidden_size = hidden_size
270
+ self.num_heads = num_heads
271
+ self.qk_nope_head_dim = qk_nope_head_dim
272
+ self.qk_rope_head_dim = qk_rope_head_dim
273
+ self.qk_head_dim = qk_nope_head_dim + qk_rope_head_dim
274
+ self.v_head_dim = v_head_dim
275
+ self.q_lora_rank = q_lora_rank
276
+ self.kv_lora_rank = kv_lora_rank
277
+ self.rope_theta = rope_theta
278
+
279
+ self.tp_size = get_tensor_model_parallel_world_size()
280
+ if num_heads % self.tp_size != 0:
281
+ raise ValueError(
282
+ f"num_heads {num_heads} is not divisible by tp_size {self.tp_size}."
283
+ )
284
+ self.num_local_heads = num_heads // self.tp_size
285
+
286
+ self.scaling = self.qk_head_dim**-0.5
287
+ self.max_position_embeddings = max_position_embeddings
288
+
289
+ self.prefix = prefix
290
+
291
+ if self.q_lora_rank is not None:
292
+ self.fused_qkv_a_proj = MergedColumnParallelLinear(
293
+ self.hidden_size,
294
+ [self.q_lora_rank, self.kv_lora_rank + self.qk_rope_head_dim],
295
+ bias=False,
296
+ quant_config=quant_config,
297
+ prefix=f"{prefix}.fused_qkv_a_proj",
298
+ disable_tp=True,
299
+ )
300
+ self.q_a_layernorm = RMSNorm(self.q_lora_rank, eps=config.rms_norm_eps)
301
+ self.q_b_proj = ColumnParallelLinear(
302
+ q_lora_rank,
303
+ self.num_heads * self.qk_head_dim,
304
+ bias=False,
305
+ quant_config=quant_config,
306
+ prefix=f"{prefix}.q_b_proj",
307
+ )
308
+ else:
309
+ self.q_proj = ColumnParallelLinear(
310
+ self.hidden_size,
311
+ self.num_heads * self.qk_head_dim,
312
+ bias=False,
313
+ quant_config=quant_config,
314
+ prefix=f"{prefix}.q_proj",
315
+ )
316
+ self.kv_a_proj_with_mqa = ReplicatedLinear(
317
+ self.hidden_size,
318
+ self.kv_lora_rank + self.qk_rope_head_dim,
319
+ bias=False,
320
+ quant_config=quant_config,
321
+ prefix=f"{prefix}.kv_a_proj_with_mqa",
322
+ )
323
+
324
+ self.kv_a_layernorm = RMSNorm(self.kv_lora_rank, eps=config.rms_norm_eps)
325
+ self.kv_b_proj = ColumnParallelLinear(
326
+ self.kv_lora_rank,
327
+ self.num_heads * (self.qk_nope_head_dim + self.v_head_dim),
328
+ bias=False,
329
+ quant_config=quant_config,
330
+ prefix=f"{prefix}.kv_b_proj",
331
+ )
332
+
333
+ self.o_proj = RowParallelLinear(
334
+ self.num_heads * self.v_head_dim,
335
+ self.hidden_size,
336
+ bias=False,
337
+ quant_config=quant_config,
338
+ prefix=f"{prefix}.o_proj",
339
+ )
340
+
341
+ # TODO: remove hard coding
342
+ rope_scaling = {
343
+ "beta_fast": 32,
344
+ "beta_slow": 1,
345
+ "factor": 1,
346
+ "mscale": 1.0,
347
+ "mscale_all_dim": 1.0,
348
+ "original_max_position_embeddings": max_position_embeddings,
349
+ "type": "yarn",
350
+ "rope_type": "deepseek_yarn",
351
+ }
352
+ self.rotary_emb = get_rope(
353
+ qk_rope_head_dim,
354
+ rotary_dim=qk_rope_head_dim,
355
+ max_position=max_position_embeddings,
356
+ base=rope_theta,
357
+ rope_scaling=rope_scaling,
358
+ is_neox_style=False,
359
+ )
360
+
361
+ mla_modules = MLAModules(
362
+ kv_a_layernorm=self.kv_a_layernorm,
363
+ kv_b_proj=self.kv_b_proj,
364
+ rotary_emb=self.rotary_emb,
365
+ o_proj=self.o_proj,
366
+ fused_qkv_a_proj=self.fused_qkv_a_proj
367
+ if self.q_lora_rank is not None
368
+ else None,
369
+ kv_a_proj_with_mqa=self.kv_a_proj_with_mqa
370
+ if self.q_lora_rank is None
371
+ else None,
372
+ q_a_layernorm=self.q_a_layernorm if self.q_lora_rank is not None else None,
373
+ q_b_proj=self.q_b_proj if self.q_lora_rank is not None else None,
374
+ q_proj=self.q_proj if self.q_lora_rank is None else None,
375
+ indexer=None,
376
+ is_sparse=False,
377
+ topk_indices_buffer=None,
378
+ )
379
+
380
+ self.mla_attn = MultiHeadLatentAttentionWrapper(
381
+ self.hidden_size,
382
+ self.num_local_heads,
383
+ self.scaling,
384
+ self.qk_nope_head_dim,
385
+ self.qk_rope_head_dim,
386
+ self.v_head_dim,
387
+ self.q_lora_rank,
388
+ self.kv_lora_rank,
389
+ mla_modules,
390
+ cache_config,
391
+ quant_config,
392
+ prefix,
393
+ )
394
+
395
+ def forward(
396
+ self,
397
+ positions: torch.Tensor,
398
+ hidden_states: torch.Tensor,
399
+ ) -> torch.Tensor:
400
+ return self.mla_attn(positions, hidden_states)
401
+
402
+
403
+class OpenPanguEmbeddedAttention(nn.Module):
404
+ def __init__(
405
+ self,
406
+ config: PretrainedConfig,
407
+ hidden_size: int,
408
+ num_heads: int,
409
+ num_kv_heads: int,
410
+ rope_theta: float = 10000,
411
+ rope_scaling: dict[str, Any] | None = None,
412
+ max_position_embeddings: int = 8192,
413
+ quant_config: QuantizationConfig | None = None,
414
+ bias: bool = False,
415
+ bias_o_proj: bool = False,
416
+ cache_config: CacheConfig | None = None,
417
+ prefix: str = "",
418
+ attn_type: str = AttentionType.DECODER,
419
+ ) -> None:
420
+ super().__init__()
421
+ layer_idx = extract_layer_index(prefix)
422
+ self.hidden_size = hidden_size
423
+ tp_size = get_tensor_model_parallel_world_size()
424
+ self.total_num_heads = num_heads
425
+ if self.total_num_heads % tp_size != 0:
426
+ raise ValueError(
427
+ f"total_num_heads {self.total_num_heads} "
428
+ f"is not divisible by tp_size {tp_size}."
429
+ )
430
+ self.num_heads = self.total_num_heads // tp_size
431
+ self.total_num_kv_heads = num_kv_heads
432
+ if self.total_num_kv_heads > tp_size and self.total_num_kv_heads % tp_size != 0:
433
+ # Number of KV heads is greater than TP size, so we partition
434
+ # the KV heads across multiple tensor parallel ranks.
435
+ raise ValueError(
436
+ "Number of KV heads is greater than TP size, "
437
+ f"but total_num_kv_heads {self.total_num_kv_heads} "
438
+ f"is not divisible by tp_size {tp_size}."
439
+ )
440
+ elif (
441
+ self.total_num_kv_heads < tp_size and tp_size % self.total_num_kv_heads != 0
442
+ ):
443
+ # Number of KV heads is less than TP size, so we replicate
444
+ # the KV heads across multiple tensor parallel ranks.
445
+ raise ValueError(
446
+ f"Number of KV heads is less than TP size, but tp_size {tp_size} "
447
+ f"is not divisible by total_num_kv_heads {self.total_num_kv_heads}."
448
+ )
449
+ self.num_kv_heads = max(1, self.total_num_kv_heads // tp_size)
450
+ head_dim = getattr(config, "head_dim", None)
451
+ if head_dim is None:
452
+ head_dim = self.hidden_size // self.total_num_heads
453
+ self.head_dim = head_dim
454
+ self.q_size = self.num_heads * self.head_dim
455
+ self.kv_size = self.num_kv_heads * self.head_dim
456
+ self.scaling = self.head_dim**-0.5
457
+ self.rope_theta = rope_theta
458
+ self.max_position_embeddings = max_position_embeddings
459
+
460
+ self.qkv_proj = QKVParallelLinear(
461
+ hidden_size=hidden_size,
462
+ head_size=self.head_dim,
463
+ total_num_heads=self.total_num_heads,
464
+ total_num_kv_heads=self.total_num_kv_heads,
465
+ bias=bias,
466
+ quant_config=quant_config,
467
+ prefix=f"{prefix}.qkv_proj",
468
+ )
469
+
470
+ self.o_proj = RowParallelLinear(
471
+ input_size=self.total_num_heads * self.head_dim,
472
+ output_size=hidden_size,
473
+ bias=bias_o_proj,
474
+ quant_config=quant_config,
475
+ prefix=f"{prefix}.o_proj",
476
+ )
477
+
478
+ self._init_rotary_emb(
479
+ config, rope_scaling=rope_scaling, quant_config=quant_config
480
+ )
481
+
482
+ if hasattr(config, "interleaved_sliding_window"):
483
+ interleaved_sliding_window = config.interleaved_sliding_window
484
+ if isinstance(interleaved_sliding_window, int):
485
+ sliding_window = interleaved_sliding_window
486
+ elif isinstance(interleaved_sliding_window, list):
487
+ sw_idx = layer_idx % len(interleaved_sliding_window)
488
+ sliding_window = interleaved_sliding_window[sw_idx]
489
+ else:
490
+ raise ValueError(
491
+ f"{type(interleaved_sliding_window)} "
492
+ "for interleaved_sliding_window is not supported."
493
+ )
494
+ else:
495
+ sliding_window = None
496
+
497
+ self.attn = Attention(
498
+ self.num_heads,
499
+ self.head_dim,
500
+ self.scaling,
501
+ num_kv_heads=self.num_kv_heads,
502
+ cache_config=cache_config,
503
+ quant_config=quant_config,
504
+ per_layer_sliding_window=sliding_window,
505
+ attn_type=attn_type,
506
+ prefix=f"{prefix}.attn",
507
+ )
508
+
509
+ def forward(
510
+ self,
511
+ positions: torch.Tensor,
512
+ hidden_states: torch.Tensor,
513
+ ) -> torch.Tensor:
514
+ qkv, _ = self.qkv_proj(hidden_states)
515
+ q, k, v = qkv.split([self.q_size, self.kv_size, self.kv_size], dim=-1)
516
+ q, k = self.rotary_emb(positions, q, k)
517
+ attn_output = self.attn(q, k, v)
518
+ output, _ = self.o_proj(attn_output)
519
+ return output
520
+
521
+ def _init_rotary_emb(
522
+ self,
523
+ config: PretrainedConfig,
524
+ rope_scaling: dict[str, Any] | None,
525
+ quant_config: QuantizationConfig | None,
526
+ ) -> None:
527
+ is_neox_style = True
528
+ is_gguf = quant_config and quant_config.get_name() == "gguf"
529
+ if is_gguf and config.model_type == "PanguEmbedded":
530
+ is_neox_style = False
531
+
532
+ self.rotary_emb = get_rope(
533
+ self.head_dim,
534
+ rotary_dim=self.head_dim,
535
+ max_position=self.max_position_embeddings,
536
+ base=self.rope_theta,
537
+ rope_scaling=rope_scaling,
538
+ is_neox_style=is_neox_style,
539
+ )
540
+
541
+
542
+class OpenPanguDecoderLayer(nn.Module):
543
+ def __init__(
544
+ self,
545
+ config: PretrainedConfig,
546
+ prefix: str,
547
+ vllm_config: VllmConfig,
548
+ ) -> None:
549
+ super().__init__()
550
+
551
+ if config is None:
552
+ config = vllm_config.model_config.hf_config
553
+ cache_config = vllm_config.cache_config
554
+ quant_config = vllm_config.quant_config
555
+ parallel_config = vllm_config.parallel_config
556
+
557
+ self.hidden_size = config.hidden_size
558
+ rope_theta = getattr(config, "rope_theta", 10000)
559
+ max_position_embeddings = getattr(config, "max_position_embeddings", 8192)
560
+
561
+ layer_idx = int(prefix.split(sep=".")[-1])
562
+ self.layer_idx = layer_idx
563
+
564
+ self.use_mla = (
565
+ hasattr(config, "qk_nope_head_dim")
566
+ and hasattr(config, "qk_rope_head_dim")
567
+ and hasattr(config, "v_head_dim")
568
+ and hasattr(config, "kv_lora_rank")
569
+ )
570
+ if self.use_mla:
571
+ self.self_attn = OpenPanguMLAAttention(
572
+ config=config,
573
+ hidden_size=self.hidden_size,
574
+ num_heads=config.num_attention_heads,
575
+ qk_nope_head_dim=config.qk_nope_head_dim,
576
+ qk_rope_head_dim=config.qk_rope_head_dim,
577
+ v_head_dim=config.v_head_dim,
578
+ q_lora_rank=(
579
+ config.q_lora_rank if hasattr(config, "q_lora_rank") else None
580
+ ),
581
+ kv_lora_rank=config.kv_lora_rank,
582
+ rope_theta=rope_theta,
583
+ max_position_embeddings=max_position_embeddings,
584
+ cache_config=cache_config,
585
+ quant_config=quant_config,
586
+ prefix=f"{prefix}.self_attn",
587
+ )
588
+ else:
589
+ attention_bias = getattr(config, "attention_bias", False) or getattr(
590
+ config, "bias", False
591
+ )
592
+ bias_o_proj = attention_bias
593
+ if hasattr(config, "qkv_bias"):
594
+ attention_bias = config.qkv_bias
595
+ # By default, PanguEmbedded uses causal attention
596
+ # as it is a decoder-only model.
597
+ # You can override the HF config with `is_causal=False` to enable
598
+ # bidirectional attention, which is used in some embedding models
599
+ if getattr(config, "is_causal", True):
600
+ attn_type = AttentionType.DECODER
601
+ else:
602
+ attn_type = AttentionType.ENCODER_ONLY
603
+ self.self_attn = OpenPanguEmbeddedAttention(
604
+ config=config,
605
+ hidden_size=self.hidden_size,
606
+ num_heads=config.num_attention_heads,
607
+ num_kv_heads=getattr(
608
+ config, "num_key_value_heads", config.num_attention_heads
609
+ ),
610
+ rope_theta=rope_theta,
611
+ rope_scaling=getattr(config, "rope_scaling", None),
612
+ max_position_embeddings=max_position_embeddings,
613
+ quant_config=quant_config,
614
+ bias=attention_bias,
615
+ bias_o_proj=bias_o_proj,
616
+ cache_config=cache_config,
617
+ prefix=f"{prefix}.self_attn",
618
+ attn_type=attn_type,
619
+ )
620
+
621
+ if (
622
+ getattr(config, "n_routed_experts", None) is not None
623
+ and layer_idx >= config.first_k_dense_replace
624
+ ):
625
+ self.mlp = OpenPanguMoE(
626
+ config=config,
627
+ parallel_config=parallel_config,
628
+ quant_config=quant_config,
629
+ prefix=f"{prefix}.mlp",
630
+ )
631
+ else:
632
+ self.mlp = OpenPanguMLP(
633
+ hidden_size=self.hidden_size,
634
+ intermediate_size=config.intermediate_size,
635
+ hidden_act=config.hidden_act,
636
+ quant_config=quant_config,
637
+ bias=getattr(config, "mlp_bias", False),
638
+ prefix=f"{prefix}.mlp",
639
+ )
640
+ self.routed_scaling_factor = getattr(config, "routed_scaling_factor", None)
641
+ self.num_hidden_layers = config.num_hidden_layers
642
+ self.first_k_dense_replace = getattr(
643
+ config, "first_k_dense_replace", self.num_hidden_layers
644
+ )
645
+
646
+ self.input_layernorm = RMSNorm(config.hidden_size, eps=config.rms_norm_eps)
647
+ self.post_attention_layernorm = RMSNorm(
648
+ config.hidden_size, eps=config.rms_norm_eps
649
+ )
650
+ self.tp_group = get_tp_group().device_group
651
+ self.sandwich_norm = getattr(config, "sandwich_norm", False)
652
+ if self.sandwich_norm:
653
+ self.pre_mlp_layernorm = RMSNorm(
654
+ config.hidden_size, eps=config.rms_norm_eps
655
+ )
656
+ self.post_mlp_layernorm = RMSNorm(
657
+ config.hidden_size, eps=config.rms_norm_eps
658
+ )
659
+
660
+ def forward(
661
+ self,
662
+ positions: torch.Tensor,
663
+ hidden_states: torch.Tensor,
664
+ residual: torch.Tensor | None,
665
+ ) -> torch.Tensor:
666
+ if residual is None:
667
+ residual = hidden_states.clone()
668
+ hidden_states = self.input_layernorm(hidden_states)
669
+ else:
670
+ hidden_states, residual = self.input_layernorm(hidden_states, residual)
671
+
672
+ hidden_states = self.self_attn(
673
+ positions=positions,
674
+ hidden_states=hidden_states,
675
+ )
676
+
677
+ if (
678
+ self.routed_scaling_factor is not None
679
+ and hidden_states.dtype == torch.float16
680
+ ):
681
+ # Fix FP16 overflow
682
+ # We scale both hidden_states and residual before
683
+ # rmsnorm, and rmsnorm result would not affect by scale.
684
+ hidden_states *= 1.0 / self.routed_scaling_factor
685
+ if self.layer_idx == 0:
686
+ # The residual is shared by all layers, we only scale it on
687
+ # first layer.
688
+ residual *= 1.0 / self.routed_scaling_factor
689
+
690
+ if self.sandwich_norm:
691
+ hidden_states = self.post_attention_layernorm(hidden_states)
692
+ hidden_states, residual = self.pre_mlp_layernorm(hidden_states, residual)
693
+ else:
694
+ hidden_states, residual = self.post_attention_layernorm(
695
+ hidden_states, residual
696
+ )
697
+
698
+ # Fully Connected
699
+ hidden_states = self.mlp(hidden_states)
700
+
701
+ if (
702
+ self.routed_scaling_factor is not None
703
+ and isinstance(self.mlp, OpenPanguMLP)
704
+ and hidden_states.dtype == torch.float16
705
+ ):
706
+ hidden_states *= 1.0 / self.routed_scaling_factor
707
+
708
+ if self.sandwich_norm:
709
+ hidden_states = self.post_mlp_layernorm(hidden_states)
710
+
711
+ return hidden_states, residual
712
+
713
+
714
+@support_torch_compile
715
+class OpenPanguModel(nn.Module):
716
+ fall_back_to_pt_during_load = False
717
+
718
+ def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
719
+ super().__init__()
720
+
721
+ config = vllm_config.model_config.hf_config
722
+ quant_config = vllm_config.quant_config
723
+ eplb_config = vllm_config.parallel_config.eplb_config
724
+ self.config = config
725
+ self.num_redundant_experts = eplb_config.num_redundant_experts
726
+
727
+ self.padding_idx = config.pad_token_id
728
+ self.vocab_size = config.vocab_size
729
+
730
+ if get_pp_group().is_first_rank or (
731
+ config.tie_word_embeddings and get_pp_group().is_last_rank
732
+ ):
733
+ self.embed_tokens = VocabParallelEmbedding(
734
+ config.vocab_size,
735
+ config.hidden_size,
736
+ quant_config=quant_config,
737
+ prefix=f"{prefix}.embed_tokens",
738
+ )
739
+ else:
740
+ self.embed_tokens = PPMissingLayer()
741
+
742
+ self.start_layer, self.end_layer, self.layers = make_layers(
743
+ config.num_hidden_layers,
744
+ lambda prefix: OpenPanguDecoderLayer(config, prefix, vllm_config),
745
+ prefix=f"{prefix}.layers",
746
+ )
747
+
748
+ if get_pp_group().is_last_rank:
749
+ self.norm = RMSNorm(config.hidden_size, eps=config.rms_norm_eps)
750
+ else:
751
+ self.norm = PPMissingLayer()
752
+ self.make_empty_intermediate_tensors = make_empty_intermediate_tensors_factory(
753
+ ["hidden_states", "residual"], config.hidden_size
754
+ )
755
+
756
+ def get_input_embeddings(self, input_ids: torch.Tensor) -> torch.Tensor:
757
+ return self.embed_tokens(input_ids)
758
+
759
+ def forward(
760
+ self,
761
+ input_ids: torch.Tensor,
762
+ positions: torch.Tensor,
763
+ intermediate_tensors: IntermediateTensors | None,
764
+ inputs_embeds: torch.Tensor | None = None,
765
+ ) -> torch.Tensor | IntermediateTensors:
766
+ if get_pp_group().is_first_rank:
767
+ if inputs_embeds is not None:
768
+ hidden_states = inputs_embeds
769
+ else:
770
+ hidden_states = self.get_input_embeddings(input_ids)
771
+ residual = None
772
+ else:
773
+ assert intermediate_tensors is not None
774
+ hidden_states = intermediate_tensors["hidden_states"]
775
+ residual = intermediate_tensors["residual"]
776
+
777
+ for i in range(self.start_layer, self.end_layer):
778
+ layer = self.layers[i]
779
+ hidden_states, residual = layer(positions, hidden_states, residual)
780
+
781
+ if not get_pp_group().is_last_rank:
782
+ return IntermediateTensors(
783
+ {"hidden_states": hidden_states, "residual": residual}
784
+ )
785
+
786
+ hidden_states, _ = self.norm(hidden_states, residual)
787
+ return hidden_states
788
+
789
+ def load_attn_mlp_weight(
790
+ self,
791
+ attn_mlp_replace_mapping: list[tuple[str, str, int]],
792
+ params_dict: dict[str, Any],
793
+ weight_name: str,
794
+ loaded_weight: torch.Tensor,
795
+ loaded_params: set[str],
796
+ ) -> bool:
797
+ for param_name, origin_name, shard_id in attn_mlp_replace_mapping:
798
+ if origin_name not in weight_name or (
799
+ ("mlp.experts." in weight_name) and weight_name not in params_dict
800
+ ):
801
+ continue
802
+ weight_name_mapped = weight_name.replace(origin_name, param_name)
803
+ if (
804
+ param_name == "fused_qkv_a_proj"
805
+ and weight_name_mapped not in params_dict
806
+ ):
807
+ continue
808
+ else:
809
+ weight_name = weight_name_mapped
810
+ if weight_name.endswith(".bias") and weight_name not in params_dict:
811
+ continue
812
+ if is_pp_missing_parameter(weight_name, self):
813
+ continue
814
+
815
+ param = params_dict[weight_name]
816
+ weight_loader = param.weight_loader
817
+ weight_loader(param, loaded_weight, shard_id)
818
+ loaded_params.add(weight_name)
819
+ return True
820
+ return False
821
+
822
+ def load_expert_weight(
823
+ self,
824
+ expert_merge_mapping: list[tuple[str, str, int, str]],
825
+ params_dict: dict[str, Any],
826
+ weight_name: str,
827
+ loaded_weight: torch.Tensor,
828
+ loaded_params: set[str],
829
+ flag_dict: dict[str, bool],
830
+ ) -> bool:
831
+ for mapping in expert_merge_mapping:
832
+ param_name, origin_name, expert_id, shard_id = mapping
833
+ if origin_name not in weight_name:
834
+ continue
835
+ flag_dict["is_expert_weight"] = True
836
+ weight_name_mapped = weight_name.replace(origin_name, param_name)
837
+ if is_pp_missing_parameter(weight_name_mapped, self):
838
+ continue
839
+ param = params_dict[weight_name_mapped]
840
+ weight_loader = typing.cast(Callable[..., bool], param.weight_loader)
841
+ success = weight_loader(
842
+ param,
843
+ loaded_weight,
844
+ weight_name_mapped,
845
+ shard_id=shard_id,
846
+ expert_id=expert_id,
847
+ return_success=True,
848
+ )
849
+ if success:
850
+ weight_name = weight_name_mapped
851
+ loaded_params.add(weight_name_mapped)
852
+ return True
853
+ return False
854
+
855
+ def load_weights(self, weights: Iterable[tuple[str, torch.Tensor]]) -> set[str]:
856
+ attn_mlp_replace_mapping = [
857
+ (".qkv_proj", ".q_proj", "q"),
858
+ (".qkv_proj", ".k_proj", "k"),
859
+ (".qkv_proj", ".v_proj", "v"),
860
+ (".fused_qkv_a_proj", ".q_a_proj", 0),
861
+ (".fused_qkv_a_proj", ".kv_a_proj_with_mqa", 1),
862
+ (".gate_up_proj", ".gate_proj", 0),
863
+ (".gate_up_proj", ".up_proj", 1),
864
+ ]
865
+ has_experts = hasattr(self.config, "n_routed_experts")
866
+ if has_experts:
867
+ expert_merge_mapping = SharedFusedMoE.make_expert_params_mapping(
868
+ ckpt_gate_proj_name="gate_proj",
869
+ ckpt_down_proj_name="down_proj",
870
+ ckpt_up_proj_name="up_proj",
871
+ num_experts=self.config.n_routed_experts,
872
+ num_redundant_experts=self.num_redundant_experts,
873
+ )
874
+
875
+ params_dict = dict(self.named_parameters())
876
+ loaded_params: set[str] = set()
877
+ for name, loaded_weight in weights:
878
+ if "rotary_emb.inv_freq" in name:
879
+ continue
880
+ if self.config.tie_word_embeddings and "lm_head.weight" in name:
881
+ continue
882
+
883
+ if (
884
+ "layers" in name
885
+ and hasattr(self.config, "num_nextn_predict_layers")
886
+ and (self.config.num_nextn_predict_layers > 0)
887
+ ):
888
+ layer_idx = int(name.split("layers.")[-1].split(".")[0])
889
+ mtp_idx = layer_idx - self.config.num_hidden_layers
890
+ if mtp_idx >= 0 and mtp_idx < self.config.num_nextn_predict_layers:
891
+ continue # skip spec decode layers for main model
892
+
893
+ flag_dict = {"is_expert_weight": False}
894
+ if (
895
+ self.load_attn_mlp_weight(
896
+ attn_mlp_replace_mapping,
897
+ params_dict,
898
+ name,
899
+ loaded_weight,
900
+ loaded_params,
901
+ )
902
+ or has_experts
903
+ and self.load_expert_weight(
904
+ expert_merge_mapping,
905
+ params_dict,
906
+ name,
907
+ loaded_weight,
908
+ loaded_params,
909
+ flag_dict,
910
+ )
911
+ ):
912
+ continue
913
+ else:
914
+ if flag_dict["is_expert_weight"]:
915
+ continue
916
+ if name.endswith(".bias") and name not in params_dict:
917
+ continue
918
+ name = maybe_remap_kv_scale_name(name, params_dict)
919
+ if name is None:
920
+ continue
921
+ if is_pp_missing_parameter(name, self):
922
+ continue
923
+
924
+ param = params_dict[name]
925
+ weight_loader = getattr(param, "weight_loader", default_weight_loader)
926
+ weight_loader(param, loaded_weight)
927
+ loaded_params.add(name)
928
+ return loaded_params
929
+
930
+
931
+class OpenPanguModelBase(nn.Module, SupportsPP, SupportsLoRA):
932
+ packed_modules_mapping = {
933
+ "qkv_proj": ["q_proj", "k_proj", "v_proj"],
934
+ "gate_up_proj": ["gate_proj", "up_proj"],
935
+ }
936
+
937
+ def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
938
+ super().__init__()
939
+ config = vllm_config.model_config.hf_config
940
+ quant_config = vllm_config.quant_config
941
+ self.config = config
942
+ self.quant_config = quant_config
943
+
944
+ self.fuse_qkv_a_proj = (
945
+ hasattr(config, "q_lora_rank") and config.q_lora_rank is not None
946
+ )
947
+ if self.fuse_qkv_a_proj:
948
+ self.packed_modules_mapping["fused_qkv_a_proj"] = [
949
+ "q_a_proj",
950
+ "kv_a_proj_with_mqa",
951
+ ]
952
+
953
+ self.model = OpenPanguModel(
954
+ vllm_config=vllm_config, prefix=maybe_prefix(prefix, "model")
955
+ )
956
+ if get_pp_group().is_last_rank:
957
+ self.lm_head = ParallelLMHead(
958
+ config.vocab_size,
959
+ config.hidden_size,
960
+ quant_config=quant_config,
961
+ prefix=maybe_prefix(prefix, "lm_head"),
962
+ )
963
+ if config.tie_word_embeddings:
964
+ self.lm_head.weight = self.model.embed_tokens.weight
965
+ else:
966
+ self.lm_head = PPMissingLayer()
967
+ self.logits_processor = LogitsProcessor(config.vocab_size)
968
+ self.make_empty_intermediate_tensors = (
969
+ self.model.make_empty_intermediate_tensors
970
+ )
971
+
972
+ def get_input_embeddings(self, input_ids: torch.Tensor) -> torch.Tensor:
973
+ return self.model.get_input_embeddings(input_ids)
974
+
975
+ def forward(
976
+ self,
977
+ input_ids: torch.Tensor,
978
+ positions: torch.Tensor,
979
+ intermediate_tensors: IntermediateTensors | None = None,
980
+ inputs_embeds: torch.Tensor | None = None,
981
+ ) -> torch.Tensor | IntermediateTensors:
982
+ hidden_states = self.model(
983
+ input_ids, positions, intermediate_tensors, inputs_embeds
984
+ )
985
+ return hidden_states
986
+
987
+ def compute_logits(
988
+ self,
989
+ hidden_states: torch.Tensor,
990
+ ) -> torch.Tensor | None:
991
+ logits = self.logits_processor(self.lm_head, hidden_states)
992
+ return logits
993
+
994
+ def load_weights(self, weights: Iterable[tuple[str, torch.Tensor]]) -> set[str]:
995
+ loader = AutoWeightsLoader(
996
+ self,
997
+ skip_prefixes=(["lm_head."] if self.config.tie_word_embeddings else None),
998
+ )
999
+ return loader.load_weights(weights)
1000
+
1001
+
1002
+class OpenPanguMoEModel(OpenPanguModelBase, MixtureOfExperts):
1003
+ def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
1004
+ super().__init__(vllm_config=vllm_config, prefix=prefix)
1005
+ config = vllm_config.model_config.hf_config
1006
+
1007
+ # Set MoE hyperparameters
1008
+ self.expert_weights = []
1009
+ self.num_moe_layers = config.num_hidden_layers - config.first_k_dense_replace
1010
+ self.num_expert_groups = 1
1011
+
1012
+ self.moe_layers: list[SharedFusedMoE] = []
1013
+ example_moe = None
1014
+ for layer in self.model.layers:
1015
+ if isinstance(layer, PPMissingLayer):
1016
+ continue
1017
+
1018
+ assert isinstance(layer, OpenPanguDecoderLayer)
1019
+ if isinstance(layer.mlp, OpenPanguMoE):
1020
+ # Pick last one layer since the first ones may be dense layers.
1021
+ example_moe = layer.mlp
1022
+ self.moe_layers.append(layer.mlp.experts)
1023
+
1024
+ if example_moe is None:
1025
+ raise RuntimeError("No MOE layer found in model.layers.")
1026
+
1027
+ self.num_logical_experts = example_moe.n_logical_experts
1028
+ self.num_physical_experts = example_moe.n_physical_experts
1029
+ self.num_local_physical_experts = example_moe.n_local_physical_experts
1030
+ self.n_routed_experts = example_moe.n_routed_experts
1031
+ self.n_shared_experts = example_moe.n_shared_experts
1032
+ self.num_redundant_experts = example_moe.n_redundant_experts
1033
+
1034
+ def set_eplb_state(
1035
+ self,
1036
+ expert_load_view: torch.Tensor,
1037
+ logical_to_physical_map: torch.Tensor,
1038
+ logical_replica_count: torch.Tensor,
1039
+ ) -> None:
1040
+ for layer_idx, layer in enumerate(self.moe_layers):
1041
+ # Register the expert weights.
1042
+ self.expert_weights.append(layer.get_expert_weights())
1043
+ layer.set_eplb_state(
1044
+ moe_layer_idx=layer_idx,
1045
+ expert_load_view=expert_load_view,
1046
+ logical_to_physical_map=logical_to_physical_map,
1047
+ logical_replica_count=logical_replica_count,
1048
+ )
1049
+
1050
+ def update_physical_experts_metadata(
1051
+ self,
1052
+ num_physical_experts: int,
1053
+ num_local_physical_experts: int,
1054
+ ) -> None:
1055
+ assert self.num_local_physical_experts == num_local_physical_experts
1056
+ self.num_physical_experts = num_physical_experts
1057
+ self.num_local_physical_experts = num_local_physical_experts
1058
+ self.num_redundant_experts = num_physical_experts - self.num_logical_experts
1059
+ for layer in self.model.layers:
1060
+ if isinstance(layer.mlp, OpenPanguMoE):
1061
+ moe = layer.mlp
1062
+ moe.n_local_physical_experts = num_local_physical_experts
1063
+ moe.n_physical_experts = num_physical_experts
1064
+ moe.n_redundant_experts = self.num_redundant_experts
1065
+ moe.experts.update_expert_map()
1066
+
1067
+
1068
+class OpenPanguEmbeddedModel(OpenPanguModelBase):
1069
+ def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
1070
+ super().__init__(vllm_config=vllm_config, prefix=prefix)
1071
+
1072
+
1073
+class PanguEmbeddedForCausalLM(OpenPanguEmbeddedModel):
1074
+ pass
1075
+
1076
+
1077
+class PanguUltraMoEForCausalLM(OpenPanguMoEModel):
1078
+ pass
vllm/model_executor/models/openpangu_mtp.py
new
+265
@@ -0,0 +1,265 @@
1
+#
2
+# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
3
+# Copyright 2023 The vLLM team.
4
+#
5
+# This file is a part of the vllm-ascend project.
6
+#
7
+# Licensed under the Apache License, Version 2.0 (the "License");
8
+# you may not use this file except in compliance with the License.
9
+# You may obtain a copy of the License at
10
+#
11
+# http://www.apache.org/licenses/LICENSE-2.0
12
+#
13
+# Unless required by applicable law or agreed to in writing, software
14
+# distributed under the License is distributed on an "AS IS" BASIS,
15
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16
+# See the License for the specific language governing permissions and
17
+# limitations under the License.
18
+
19
+# Adapted from
20
+# https://github.com/vllm-project/vllm/blob/v0.7.3/vllm/model_executor/models/deepseek_mtp.py
21
+from collections.abc import Iterable
22
+
23
+import torch
24
+import torch.nn as nn
25
+
26
+from vllm.compilation.decorators import support_torch_compile
27
+from vllm.config import VllmConfig
28
+
29
+# SPDX-License-Identifier: Apache-2.0
30
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
31
+from vllm.model_executor.layers.fused_moe import FusedMoE
32
+from vllm.model_executor.layers.layernorm import RMSNorm
33
+from vllm.model_executor.layers.logits_processor import LogitsProcessor
34
+from vllm.model_executor.layers.vocab_parallel_embedding import (
35
+ VocabParallelEmbedding,
36
+)
37
+from vllm.model_executor.model_loader.weight_utils import default_weight_loader
38
+from vllm.model_executor.models.deepseek_mtp import (
39
+ DeepSeekMultiTokenPredictor,
40
+ DeepSeekMultiTokenPredictorLayer,
41
+ SharedHead,
42
+)
43
+from vllm.model_executor.models.utils import maybe_prefix
44
+from vllm.sequence import IntermediateTensors
45
+
46
+from .interfaces import SupportsPP
47
+from .openpangu import OpenPanguDecoderLayer
48
+
49
+
50
+class OpenPanguMultiTokenPredictorLayer(DeepSeekMultiTokenPredictorLayer):
51
+ def __init__(self, vllm_config: VllmConfig, prefix: str) -> None:
52
+ nn.Module.__init__(self)
53
+
54
+ config = vllm_config.speculative_config.draft_model_config.hf_config
55
+ self.config = config
56
+ quant_config = vllm_config.quant_config
57
+
58
+ self.enorm = RMSNorm(config.hidden_size, eps=config.rms_norm_eps)
59
+ self.hnorm = RMSNorm(config.hidden_size, eps=config.rms_norm_eps)
60
+ self.eh_proj = nn.Linear(config.hidden_size * 2, config.hidden_size, bias=False)
61
+ self.shared_head = SharedHead(
62
+ config=config,
63
+ quant_config=quant_config,
64
+ prefix=maybe_prefix(prefix, "shared_head"),
65
+ )
66
+ self.mtp_block = OpenPanguDecoderLayer(config, prefix, vllm_config)
67
+
68
+
69
+class OpenPanguMultiTokenPredictor(DeepSeekMultiTokenPredictor):
70
+ def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
71
+ nn.Module.__init__(self)
72
+ config = vllm_config.model_config.hf_config
73
+ self.mtp_start_layer_idx = config.num_hidden_layers
74
+ self.num_mtp_layers = config.num_nextn_predict_layers
75
+ # to map the exact layer index from weights
76
+ self.layers = torch.nn.ModuleDict(
77
+ {
78
+ str(idx): OpenPanguMultiTokenPredictorLayer(
79
+ vllm_config, f"{prefix}.layers.{idx}"
80
+ )
81
+ for idx in range(
82
+ self.mtp_start_layer_idx,
83
+ self.mtp_start_layer_idx + self.num_mtp_layers,
84
+ )
85
+ }
86
+ )
87
+ self.embed_tokens = VocabParallelEmbedding(
88
+ config.vocab_size,
89
+ config.hidden_size,
90
+ )
91
+ self.logits_processor = LogitsProcessor(config.vocab_size)
92
+
93
+
94
+@support_torch_compile
95
+class OpenPanguMTP(nn.Module, SupportsPP):
96
+ def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
97
+ super().__init__()
98
+ self.config = vllm_config.model_config.hf_config
99
+ self.model = OpenPanguMultiTokenPredictor(
100
+ vllm_config=vllm_config, prefix=maybe_prefix(prefix, "model")
101
+ )
102
+
103
+ def get_input_embeddings(self, input_ids: torch.Tensor) -> torch.Tensor:
104
+ return self.model.get_input_embeddings(input_ids)
105
+
106
+ def forward(
107
+ self,
108
+ input_ids: torch.Tensor,
109
+ positions: torch.Tensor,
110
+ hidden_states: torch.Tensor,
111
+ intermediate_tensors: IntermediateTensors | None = None,
112
+ inputs_embeds: torch.Tensor | None = None,
113
+ spec_step_idx: int = 0,
114
+ ) -> torch.Tensor:
115
+ hidden_states = self.model(
116
+ input_ids,
117
+ positions,
118
+ hidden_states,
119
+ inputs_embeds,
120
+ spec_step_idx,
121
+ )
122
+ return hidden_states
123
+
124
+ def compute_logits(
125
+ self,
126
+ hidden_states: torch.Tensor,
127
+ spec_step_idx: int = 0,
128
+ ) -> torch.Tensor | None:
129
+ return self.model.compute_logits(hidden_states, spec_step_idx)
130
+
131
+ def get_spec_layer(self, name):
132
+ if (
133
+ "layers" in name
134
+ and hasattr(self.config, "num_nextn_predict_layers")
135
+ and self.config.num_nextn_predict_layers > 0
136
+ ):
137
+ layer_idx = int(name.split("layers.")[-1].split(".")[0])
138
+ mtp_idx = layer_idx - self.config.num_hidden_layers
139
+ if mtp_idx >= 0 and mtp_idx < self.config.num_nextn_predict_layers:
140
+ return layer_idx
141
+ return None
142
+
143
+ def load_weights(self, weights: Iterable[tuple[str, torch.Tensor]]) -> set[str]:
144
+ stacked_params_mapping = [
145
+ ("gate_up_proj", "gate_proj", 0),
146
+ ("gate_up_proj", "up_proj", 1),
147
+ ("fused_qkv_a_proj", "q_a_proj", 0),
148
+ ("fused_qkv_a_proj", "kv_a_proj_with_mqa", 1),
149
+ ]
150
+
151
+ expert_params_mapping = FusedMoE.make_expert_params_mapping(
152
+ ckpt_gate_proj_name="gate_proj",
153
+ ckpt_down_proj_name="down_proj",
154
+ ckpt_up_proj_name="up_proj",
155
+ num_experts=self.config.n_routed_experts,
156
+ )
157
+
158
+ params_dict = dict(self.named_parameters())
159
+ loaded_params: set[str] = set()
160
+ for name, loaded_weight in weights:
161
+ if "rotary_emb.inv_freq" in name:
162
+ continue
163
+ spec_layer = self.get_spec_layer(name)
164
+ if spec_layer is None:
165
+ continue
166
+
167
+ name = self._rewrite_spec_layer_name(spec_layer, name)
168
+ for param_name, weight_name, shard_id in stacked_params_mapping:
169
+ # Skip non-stacked layers and experts (experts handled below).
170
+ if weight_name not in name:
171
+ continue
172
+ # We have mlp.experts[0].gate_proj in the checkpoint.
173
+ # Since we handle the experts below in expert_params_mapping,
174
+ # we need to skip here BEFORE we update the name, otherwise
175
+ # name will be updated to mlp.experts[0].gate_up_proj, which
176
+ # will then be updated below in expert_params_mapping
177
+ # for mlp.experts[0].gate_gate_up_proj, which breaks load.
178
+ if ("mlp.experts." in name) and name not in params_dict:
179
+ continue
180
+ name_mapped = name.replace(weight_name, param_name)
181
+
182
+ # QKV fusion is optional, fall back to normal
183
+ # weight loading if it's not enabled
184
+ if (
185
+ param_name == "fused_qkv_a_proj"
186
+ ) and name_mapped not in params_dict:
187
+ continue
188
+ else:
189
+ name = name_mapped
190
+
191
+ # Skip loading extra bias for GPTQ models.
192
+ if name.endswith(".bias") and name not in params_dict:
193
+ continue
194
+
195
+ param = params_dict[name]
196
+ weight_loader = param.weight_loader
197
+ weight_loader(param, loaded_weight, shard_id)
198
+ break
199
+ else:
200
+ for mapping in expert_params_mapping:
201
+ param_name, weight_name, expert_id, shard_id = mapping
202
+ if weight_name not in name:
203
+ continue
204
+ name = name.replace(weight_name, param_name)
205
+
206
+ param = params_dict[name]
207
+ weight_loader = param.weight_loader
208
+ weight_loader(
209
+ param,
210
+ loaded_weight,
211
+ name,
212
+ shard_id=shard_id,
213
+ expert_id=expert_id,
214
+ )
215
+ break
216
+ else:
217
+ # Skip loading extra bias for GPTQ models.
218
+ if name.endswith(".bias") and name not in params_dict:
219
+ continue
220
+
221
+ if (
222
+ spec_layer != self.model.mtp_start_layer_idx
223
+ and ".layers" not in name
224
+ ):
225
+ continue
226
+
227
+ param = params_dict[name]
228
+ weight_loader = getattr(
229
+ param, "weight_loader", default_weight_loader
230
+ )
231
+ weight_loader(param, loaded_weight)
232
+ loaded_params.add(name)
233
+ return loaded_params
234
+
235
+ def _rewrite_spec_layer_name(self, spec_layer: int, name: str) -> str:
236
+ """
237
+ Rewrite the weight name to match the format of the original model.
238
+ Add .mtp_block for modules in transformer layer block for spec layer
239
+ and rename shared layer weights to be top level.
240
+ """
241
+ spec_layer_weight_names = [
242
+ "embed_tokens",
243
+ "enorm",
244
+ "hnorm",
245
+ "eh_proj",
246
+ "shared_head",
247
+ ]
248
+ shared_weight_names = ["embed_tokens"]
249
+ spec_layer_weight = False
250
+ shared_weight = False
251
+ for weight_name in spec_layer_weight_names:
252
+ if weight_name in name:
253
+ spec_layer_weight = True
254
+ if weight_name in shared_weight_names:
255
+ shared_weight = True
256
+ break
257
+ if not spec_layer_weight:
258
+ # treat rest weights as weights for transformer layer block
259
+ name = name.replace(
260
+ f"model.layers.{spec_layer}.", f"model.layers.{spec_layer}.mtp_block."
261
+ )
262
+ elif shared_weight:
263
+ # treat shared weights as top level weights
264
+ name = name.replace(f"model.layers.{spec_layer}.", "model.")
265
+ return name
vllm/model_executor/models/registry.py
+3
@@ -149,6 +149,8 @@ _TEXT_GENERATION_MODELS = {
149
"OPTForCausalLM": ("opt", "OPTForCausalLM"),
150
"OrionForCausalLM": ("orion", "OrionForCausalLM"),
151
"OuroForCausalLM": ("ouro", "OuroForCausalLM"),
152
+ "PanguEmbeddedForCausalLM": ("openpangu", "PanguEmbeddedForCausalLM"),
153
+ "PanguUltraMoEForCausalLM": ("openpangu", "PanguUltraMoEForCausalLM"),
154
"PersimmonForCausalLM": ("persimmon", "PersimmonForCausalLM"),
155
"PhiForCausalLM": ("phi", "PhiForCausalLM"),
156
"Phi3ForCausalLM": ("phi3", "Phi3ForCausalLM"),
@@ -406,6 +408,7 @@ _SPECULATIVE_DECODING_MODELS = {
408
"LongCatFlashMTPModel": ("longcat_flash_mtp", "LongCatFlashMTP"),
409
"Glm4MoeMTPModel": ("glm4_moe_mtp", "Glm4MoeMTP"),
410
"MedusaModel": ("medusa", "Medusa"),
411
+ "OpenPanguMTPModel": ("openpangu_mtp", "OpenPanguMTP"),
412
"Qwen3NextMTP": ("qwen3_next_mtp", "Qwen3NextMTP"),
413
# Temporarily disabled.
414
# # TODO(woosuk): Re-enable this once the MLP Speculator is supported in V1.
vllm/v1/spec_decode/eagle.py
+6
-1
@@ -316,7 +316,12 @@ class EagleProposer:
316
positions = target_positions[:, last_token_indices]
317
else:
318
positions = target_positions[last_token_indices]
319
- if self.method in ("deepseek_mtp", "ernie_mtp", "longcat_flash_mtp"):
319
+ if self.method in (
320
+ "deepseek_mtp",
321
+ "ernie_mtp",
322
+ "longcat_flash_mtp",
323
+ "pangu_ultra_moe_mtp",
324
+ ):
325
hidden_states = self.hidden_states[last_token_indices]
326
else:
327
hidden_states = hidden_states[last_token_indices]