This commit is contained in:
lyuxiang.lx
2025-05-30 07:51:49 +00:00
parent 6dd68b9d5e
commit 9b052a94c4
8 changed files with 125 additions and 236 deletions

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@@ -52,5 +52,5 @@ jobs:
set -eux set -eux
pip install flake8==3.8.2 flake8-bugbear flake8-comprehensions flake8-executable flake8-pyi==20.5.0 mccabe pycodestyle==2.6.0 pyflakes==2.2.0 pip install flake8==3.8.2 flake8-bugbear flake8-comprehensions flake8-executable flake8-pyi==20.5.0 mccabe pycodestyle==2.6.0 pyflakes==2.2.0
flake8 --version flake8 --version
flake8 --max-line-length 180 --ignore B006,B008,B905,C408,E402,E731,E741,W503,W504 --exclude ./third_party/,./runtime/python/grpc/cosyvoice_pb2*py flake8 --max-line-length 180 --ignore B006,B008,B905,C408,E402,E731,E741,W503,W504,F401,F403,F405,F841 --exclude ./third_party/,./runtime/python/grpc/cosyvoice_pb2*py
if [ $? != 0 ]; then exit 1; fi if [ $? != 0 ]; then exit 1; fi

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@@ -48,7 +48,7 @@ class CosyVoice:
if torch.cuda.is_available() is False and (load_jit is True or load_trt is True or fp16 is True): if torch.cuda.is_available() is False and (load_jit is True or load_trt is True or fp16 is True):
load_jit, load_trt, fp16 = False, False, False load_jit, load_trt, fp16 = False, False, False
logging.warning('no cuda device, set load_jit/load_trt/fp16 to False') logging.warning('no cuda device, set load_jit/load_trt/fp16 to False')
self.model = CosyVoiceModel(configs['llm'], configs['flow'], configs['hift'], fp16, trt_concurrent) self.model = CosyVoiceModel(configs['llm'], configs['flow'], configs['hift'], fp16)
self.model.load('{}/llm.pt'.format(model_dir), self.model.load('{}/llm.pt'.format(model_dir),
'{}/flow.pt'.format(model_dir), '{}/flow.pt'.format(model_dir),
'{}/hift.pt'.format(model_dir)) '{}/hift.pt'.format(model_dir))
@@ -59,6 +59,7 @@ class CosyVoice:
if load_trt: if load_trt:
self.model.load_trt('{}/flow.decoder.estimator.{}.mygpu.plan'.format(model_dir, 'fp16' if self.fp16 is True else 'fp32'), self.model.load_trt('{}/flow.decoder.estimator.{}.mygpu.plan'.format(model_dir, 'fp16' if self.fp16 is True else 'fp32'),
'{}/flow.decoder.estimator.fp32.onnx'.format(model_dir), '{}/flow.decoder.estimator.fp32.onnx'.format(model_dir),
trt_concurrent,
self.fp16) self.fp16)
del configs del configs
@@ -162,7 +163,7 @@ class CosyVoice2(CosyVoice):
if torch.cuda.is_available() is False and (load_jit is True or load_trt is True or fp16 is True): if torch.cuda.is_available() is False and (load_jit is True or load_trt is True or fp16 is True):
load_jit, load_trt, fp16 = False, False, False load_jit, load_trt, fp16 = False, False, False
logging.warning('no cuda device, set load_jit/load_trt/fp16 to False') logging.warning('no cuda device, set load_jit/load_trt/fp16 to False')
self.model = CosyVoice2Model(configs['llm'], configs['flow'], configs['hift'], fp16, trt_concurrent) self.model = CosyVoice2Model(configs['llm'], configs['flow'], configs['hift'], fp16)
self.model.load('{}/llm.pt'.format(model_dir), self.model.load('{}/llm.pt'.format(model_dir),
'{}/flow.pt'.format(model_dir), '{}/flow.pt'.format(model_dir),
'{}/hift.pt'.format(model_dir)) '{}/hift.pt'.format(model_dir))
@@ -173,6 +174,7 @@ class CosyVoice2(CosyVoice):
if load_trt: if load_trt:
self.model.load_trt('{}/flow.decoder.estimator.{}.mygpu.plan'.format(model_dir, 'fp16' if self.fp16 is True else 'fp32'), self.model.load_trt('{}/flow.decoder.estimator.{}.mygpu.plan'.format(model_dir, 'fp16' if self.fp16 is True else 'fp32'),
'{}/flow.decoder.estimator.fp32.onnx'.format(model_dir), '{}/flow.decoder.estimator.fp32.onnx'.format(model_dir),
trt_concurrent,
self.fp16) self.fp16)
del configs del configs

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@@ -14,7 +14,6 @@
# limitations under the License. # limitations under the License.
import os import os
from typing import Generator from typing import Generator
import queue
import torch import torch
import numpy as np import numpy as np
import threading import threading
@@ -33,14 +32,12 @@ class CosyVoiceModel:
llm: torch.nn.Module, llm: torch.nn.Module,
flow: torch.nn.Module, flow: torch.nn.Module,
hift: torch.nn.Module, hift: torch.nn.Module,
fp16: bool = False, fp16: bool = False):
trt_concurrent: int = 1):
self.device = torch.device('cuda' if torch.cuda.is_available() else 'cpu') self.device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
self.llm = llm self.llm = llm
self.flow = flow self.flow = flow
self.hift = hift self.hift = hift
self.fp16 = fp16 self.fp16 = fp16
self.trt_concurrent = trt_concurrent
if self.fp16 is True: if self.fp16 is True:
self.llm.half() self.llm.half()
self.flow.half() self.flow.half()
@@ -85,7 +82,7 @@ class CosyVoiceModel:
flow_encoder = torch.jit.load(flow_encoder_model, map_location=self.device) flow_encoder = torch.jit.load(flow_encoder_model, map_location=self.device)
self.flow.encoder = flow_encoder self.flow.encoder = flow_encoder
def load_trt(self, flow_decoder_estimator_model, flow_decoder_onnx_model, fp16): def load_trt(self, flow_decoder_estimator_model, flow_decoder_onnx_model, trt_concurrent, fp16):
assert torch.cuda.is_available(), 'tensorrt only supports gpu!' assert torch.cuda.is_available(), 'tensorrt only supports gpu!'
if not os.path.exists(flow_decoder_estimator_model) or os.path.getsize(flow_decoder_estimator_model) == 0: if not os.path.exists(flow_decoder_estimator_model) or os.path.getsize(flow_decoder_estimator_model) == 0:
convert_onnx_to_trt(flow_decoder_estimator_model, self.get_trt_kwargs(), flow_decoder_onnx_model, fp16) convert_onnx_to_trt(flow_decoder_estimator_model, self.get_trt_kwargs(), flow_decoder_onnx_model, fp16)
@@ -94,7 +91,7 @@ class CosyVoiceModel:
with open(flow_decoder_estimator_model, 'rb') as f: with open(flow_decoder_estimator_model, 'rb') as f:
estimator_engine = trt.Runtime(trt.Logger(trt.Logger.INFO)).deserialize_cuda_engine(f.read()) estimator_engine = trt.Runtime(trt.Logger(trt.Logger.INFO)).deserialize_cuda_engine(f.read())
assert estimator_engine is not None, 'failed to load trt {}'.format(flow_decoder_estimator_model) assert estimator_engine is not None, 'failed to load trt {}'.format(flow_decoder_estimator_model)
self.flow.decoder.estimator = TrtContextWrapper(estimator_engine, trt_concurrent=self.trt_concurrent, device=self.device) self.flow.decoder.estimator = TrtContextWrapper(estimator_engine, trt_concurrent=trt_concurrent, device=self.device)
def get_trt_kwargs(self): def get_trt_kwargs(self):
min_shape = [(2, 80, 4), (2, 1, 4), (2, 80, 4), (2, 80, 4)] min_shape = [(2, 80, 4), (2, 1, 4), (2, 80, 4), (2, 80, 4)]
@@ -104,7 +101,7 @@ class CosyVoiceModel:
return {'min_shape': min_shape, 'opt_shape': opt_shape, 'max_shape': max_shape, 'input_names': input_names} return {'min_shape': min_shape, 'opt_shape': opt_shape, 'max_shape': max_shape, 'input_names': input_names}
def llm_job(self, text, prompt_text, llm_prompt_speech_token, llm_embedding, uuid): def llm_job(self, text, prompt_text, llm_prompt_speech_token, llm_embedding, uuid):
with self.llm_context, torch.cuda.amp.autocast(self.fp16): with self.llm_context, torch.cuda.amp.autocast(self.fp16 is True and hasattr(self.llm, 'vllm') is False):
if isinstance(text, Generator): if isinstance(text, Generator):
assert isinstance(self, CosyVoice2Model), 'streaming input text is only implemented for CosyVoice2!' assert isinstance(self, CosyVoice2Model), 'streaming input text is only implemented for CosyVoice2!'
for i in self.llm.inference_bistream(text=text, for i in self.llm.inference_bistream(text=text,
@@ -246,14 +243,12 @@ class CosyVoice2Model(CosyVoiceModel):
llm: torch.nn.Module, llm: torch.nn.Module,
flow: torch.nn.Module, flow: torch.nn.Module,
hift: torch.nn.Module, hift: torch.nn.Module,
fp16: bool = False, fp16: bool = False):
trt_concurrent: int = 1):
self.device = torch.device('cuda' if torch.cuda.is_available() else 'cpu') self.device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
self.llm = llm self.llm = llm
self.flow = flow self.flow = flow
self.hift = hift self.hift = hift
self.fp16 = fp16 self.fp16 = fp16
self.trt_concurrent = trt_concurrent
if self.fp16 is True: if self.fp16 is True:
self.llm.half() self.llm.half()
self.flow.half() self.flow.half()

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@@ -12,7 +12,6 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and # See the License for the specific language governing permissions and
# limitations under the License. # limitations under the License.
import threading
import torch import torch
import torch.nn.functional as F import torch.nn.functional as F
from matcha.models.components.flow_matching import BASECFM from matcha.models.components.flow_matching import BASECFM
@@ -136,12 +135,12 @@ class ConditionalCFM(BASECFM):
estimator.set_input_shape('spks', (2, 80)) estimator.set_input_shape('spks', (2, 80))
estimator.set_input_shape('cond', (2, 80, x.size(2))) estimator.set_input_shape('cond', (2, 80, x.size(2)))
data_ptrs = [x.contiguous().data_ptr(), data_ptrs = [x.contiguous().data_ptr(),
mask.contiguous().data_ptr(), mask.contiguous().data_ptr(),
mu.contiguous().data_ptr(), mu.contiguous().data_ptr(),
t.contiguous().data_ptr(), t.contiguous().data_ptr(),
spks.contiguous().data_ptr(), spks.contiguous().data_ptr(),
cond.contiguous().data_ptr(), cond.contiguous().data_ptr(),
x.data_ptr()] x.data_ptr()]
for i, j in enumerate(data_ptrs): for i, j in enumerate(data_ptrs):
estimator.set_tensor_address(trt_engine.get_tensor_name(i), j) estimator.set_tensor_address(trt_engine.get_tensor_name(i), j)
# run trt engine # run trt engine

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@@ -1,4 +1,5 @@
# Copyright (c) 2024 Alibaba Inc (authors: Xiang Lyu, Zhihao Du) # Copyright (c) 2024 Alibaba Inc (authors: Xiang Lyu, Zhihao Du)
# 2025 Alibaba Inc (authors: Xiang Lyu, Yabin Li, Qihua)
# #
# Licensed under the Apache License, Version 2.0 (the "License"); # Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License. # you may not use this file except in compliance with the License.
@@ -295,7 +296,7 @@ class Qwen2LM(TransformerLM):
# 4. sampling method # 4. sampling method
self.sampling = sampling self.sampling = sampling
self.mix_ratio = mix_ratio self.mix_ratio = mix_ratio
# 5. vllm related # 5. vllm related
self.stop_token_ids = [speech_token_size + i for i in range(3)] self.stop_token_ids = [speech_token_size + i for i in range(3)]
self.vllm_output_queue = {} self.vllm_output_queue = {}
@@ -448,8 +449,8 @@ class Qwen2LM(TransformerLM):
cache = None cache = None
for i in range(max_len): for i in range(max_len):
y_pred, cache = self.llm.forward_one_step(lm_input, y_pred, cache = self.llm.forward_one_step(lm_input,
masks=torch.tril(torch.ones((1, lm_input.shape[1], lm_input.shape[1]), device=lm_input.device)).to(torch.bool), masks=torch.tril(torch.ones((1, lm_input.shape[1], lm_input.shape[1]), device=lm_input.device)).to(torch.bool),
cache=cache) cache=cache)
logp = self.llm_decoder(y_pred[:, -1]).log_softmax(dim=-1) logp = self.llm_decoder(y_pred[:, -1]).log_softmax(dim=-1)
top_ids = self.sampling_ids(logp.squeeze(dim=0), out_tokens, sampling, ignore_eos=True if i < min_len else False).item() top_ids = self.sampling_ids(logp.squeeze(dim=0), out_tokens, sampling, ignore_eos=True if i < min_len else False).item()
if top_ids == self.speech_token_size: if top_ids == self.speech_token_size:

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@@ -1,212 +0,0 @@
# Copyright (c) 2024 Alibaba Inc (authors: Xiang Lyu, Zhihao Du)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import time
import queue
import asyncio
import threading
from typing import List, Generator, AsyncGenerator
import torch
from cosyvoice.utils.file_utils import logging
from cosyvoice.llm.llm import Qwen2LM
# 启用vllm V1版本
import os
os.environ["VLLM_USE_V1"] = '1'
from vllm import ModelRegistry
from vllm import LLMEngine, AsyncLLMEngine, CompletionOutput
from vllm.engine.arg_utils import EngineArgs, AsyncEngineArgs
from vllm.sampling_params import SamplingParams
from cosyvoice.llm.vllm_use_cosyvoice2_model import CosyVoice2Model as CosyVoice2LLM
ModelRegistry.register_model("CosyVoice2Model", CosyVoice2LLM)
# EngineArgs
ENGINE_ARGS = {
"block_size": 16,
"swap_space": 0,
# "enforce_eager": True,
"gpu_memory_utilization": 0.4,
"max_num_batched_tokens": 1024,
"max_model_len": 1024,
"max_num_seqs": 256,
"disable_log_requests": True,
"disable_log_stats": True,
"dtype": "float16"
}
from vllm.sampling_params import RequestOutputKind
# SamplingParams
SAMPLING_PARAMS = {
"temperature": 1, # 不能低于0.8, 否则会生成非常多的空音频或者无法正常生成语音Token
"top_p": 1, # 不能低于0.8, 否则会生成非常多的空音频或者无法正常生成语音Token
"top_k": 25,
# "min_tokens": 80, # 不支持设置最小的tokens数量设置开启后vllm直接崩溃无法启动
# "presence_penalty": 1.0, # 不支持设置
# "frequency_penalty": 0.0, # 不支持设置
"max_tokens": 1024,
"detokenize": False, # 目前 vllm 0.7.3 v1版本中设置无效待后续版本更新后减少计算
"ignore_eos": False,
"output_kind": RequestOutputKind.DELTA # 设置为DELTA如调整该参数请同时调整llm_inference的处理代码
}
def tensor_to_list(tensor: torch.tensor):
return tensor.view(-1).cpu().numpy().tolist()
class VllmQwen2LM(Qwen2LM):
def __init__(
self,
model_dir,
mix_ratio: List[int] = [5, 15],
):
self.fp16 = False
self.half = lambda: None
self.mix_ratio = mix_ratio
# ---------------------------------------------
# vllm engine 的参数配置
engine_args = AsyncEngineArgs(
model=model_dir,
**ENGINE_ARGS,
)
self.llm_engine: AsyncLLMEngine = AsyncLLMEngine.from_engine_args(engine_args)
self.speech_token_size = 6564 # 6561 + 3
self.llm_token_size = 151936 # llm vocab_size
self.sos_eos_token_id = self.speech_token_size + self.llm_token_size + 1
self.task_token_id = self.sos_eos_token_id + 1
self.zero_token_id = self.task_token_id + 1
# vllm 的推理任务需要在一个固定的事件循环中,因此启动一个后台线程运行转用于推理任务
self.loop = asyncio.new_event_loop()
self.loop_thread = threading.Thread(target=self._run_event_loop, daemon=True)
self.loop_thread.start()
def _run_event_loop(self):
asyncio.set_event_loop(self.loop)
self.loop.run_forever()
async def async_llm_inference(self, out_queue, prompt_token_ids, request_id, stop_token_ids, max_tokens):
sampling_params = SamplingParams(**SAMPLING_PARAMS)
sampling_params.stop_token_ids = stop_token_ids or [6561]
if max_tokens:
sampling_params.max_tokens = max_tokens
async for output in self.llm_engine.generate(
{
"prompt_token_ids": prompt_token_ids,
},
sampling_params=sampling_params,
request_id=request_id or f"{time.time()}",
):
out_queue.put((output.outputs[0], output.finished))
def llm_inference(self, prompt_token_ids: List[int], request_id: str=None, stop_token_ids=None, max_tokens=None):
out_queue = queue.Queue()
asyncio.run_coroutine_threadsafe(
self.async_llm_inference(out_queue, prompt_token_ids, request_id, stop_token_ids, max_tokens), self.loop
)
# 接收 out_queue 返回的结果
finished = False
while not finished:
(output, finished) = out_queue.get_nowait() if not out_queue.empty() else out_queue.get()
yield output
def inference(
self,
text: torch.Tensor,
text_len: torch.Tensor,
prompt_text: torch.Tensor,
prompt_text_len: torch.Tensor,
prompt_speech_token: torch.Tensor,
prompt_speech_token_len: torch.Tensor,
embedding: torch.Tensor,
sampling: int = 25,
max_token_text_ratio: float = 20,
min_token_text_ratio: float = 2,
) -> Generator[torch.Tensor|int, None, None]:
prompt_text = tensor_to_list(prompt_text + torch.tensor(6564))
prompt_speech_token = tensor_to_list(prompt_speech_token)
text = tensor_to_list(text + torch.tensor(6564))
prompt_token_ids = [self.sos_eos_token_id] + prompt_text + text + \
[self.task_token_id] + prompt_speech_token
max_tokens = len(text) * 20
for output in self.llm_inference(
prompt_token_ids,
stop_token_ids=[6561],
max_tokens=max_tokens,
):
if output.token_ids[-1] == 6561:
need_add_tokens = output.token_ids[:-1]
else:
need_add_tokens = output.token_ids
for token in need_add_tokens:
yield token
def inference_bistream(
self,
text: Generator,
prompt_text: torch.Tensor,
prompt_text_len: torch.Tensor,
prompt_speech_token: torch.Tensor,
prompt_speech_token_len: torch.Tensor,
embedding: torch.Tensor,
sampling: int = 25,
max_token_text_ratio: float = 20,
min_token_text_ratio: float = 2,
) -> Generator[torch.Tensor, None, None]:
prompt_text = tensor_to_list(prompt_text + torch.tensor(6564))
prompt_speech_token = tensor_to_list(prompt_speech_token)
last_tokens = []
prompt_token_ids = [self.sos_eos_token_id]
text_tokens_cache = prompt_text
for this_text in text:
this_text = tensor_to_list(this_text + torch.tensor(6564))
# text need tokens
assert isinstance(this_text, list), "text need token ids List[int]."
text_tokens_cache += this_text
while len(prompt_speech_token) != 0:
if len(text_tokens_cache) >= self.mix_ratio[0]:
text_input_token = text_tokens_cache[:self.mix_ratio[0]]
speech_input_token = prompt_speech_token[:self.mix_ratio[1]]
prompt_token_ids += text_input_token + speech_input_token
# reset the last cache
text_tokens_cache = text_tokens_cache[self.mix_ratio[0]:]
prompt_speech_token = prompt_speech_token[self.mix_ratio[1]:]
else:
break
if len(prompt_speech_token) == 0:
if (len(last_tokens) > 0 and last_tokens[-1] == 6563) or len(prompt_token_ids) == 1:
if len(text_tokens_cache) >= self.mix_ratio[0]:
text_tokens_temp = text_tokens_cache[:self.mix_ratio[0]]
prompt_token_ids += text_tokens_temp
text_tokens_cache = text_tokens_cache[self.mix_ratio[0]:]
else:
continue
for output in self.llm_inference(prompt_token_ids, stop_token_ids=[6563]):
last_tokens = output.token_ids
if last_tokens[-1] == 6563:
need_add_tokens = last_tokens[:-1]
else:
need_add_tokens = last_tokens
for token in need_add_tokens:
yield token
prompt_token_ids.extend(need_add_tokens)
prompt_token_ids += text_tokens_cache + [self.task_token_id]
for output in self.llm_inference(prompt_token_ids, stop_token_ids=[6561]):
if output.token_ids[-1] == 6561:
need_add_tokens = output.token_ids[:-1]
else:
need_add_tokens = output.token_ids
for token in need_add_tokens:
yield token

View File

@@ -16,7 +16,8 @@
import os import os
import json import json
import torch, torchaudio import torch
import torchaudio
import logging import logging
logging.getLogger('matplotlib').setLevel(logging.WARNING) logging.getLogger('matplotlib').setLevel(logging.WARNING)
logging.basicConfig(level=logging.DEBUG, logging.basicConfig(level=logging.DEBUG,

View File

@@ -0,0 +1,103 @@
# SPDX-License-Identifier: Apache-2.0
# Adapted from
# https://github.com/huggingface/transformers/blob/v4.28.0/src/transformers/models/qwen2/modeling_qwen2.py
# Copyright 2024 The Qwen team.
# Copyright 2023 The vLLM team.
# Copyright 2022 EleutherAI and the HuggingFace Inc. team. All rights reserved.
#
# This code is based on EleutherAI's GPT-NeoX library and the GPT-NeoX
# and OPT implementations in this library. It has been modified from its
# original forms to accommodate minor architectural differences compared
# to GPT-NeoX and OPT used by the Meta AI team that trained the model.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Inference-only Qwen2 model compatible with HuggingFace weights."""
from vllm.model_executor.models.qwen2 import *
class CosyVoice2ForCausalLM(nn.Module, SupportsLoRA, SupportsPP):
packed_modules_mapping = {
"qkv_proj": [
"q_proj",
"k_proj",
"v_proj",
],
"gate_up_proj": [
"gate_proj",
"up_proj",
],
}
def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
super().__init__()
config = vllm_config.model_config.hf_config
quant_config = vllm_config.quant_config
lora_config = vllm_config.lora_config
self.config = config
self.lora_config = lora_config
self.quant_config = quant_config
self.model = Qwen2Model(vllm_config=vllm_config,
prefix=maybe_prefix(prefix, "model"))
if get_pp_group().is_last_rank:
if config.tie_word_embeddings:
self.lm_head = self.model.embed_tokens
else:
self.lm_head = ParallelLMHead(config.vocab_size,
config.hidden_size,
True,
quant_config=quant_config,
prefix=maybe_prefix(
prefix, "lm_head"))
else:
self.lm_head = PPMissingLayer()
self.logits_processor = LogitsProcessor(config.vocab_size)
self.make_empty_intermediate_tensors = (
self.model.make_empty_intermediate_tensors)
def get_input_embeddings(self, input_ids: torch.Tensor) -> torch.Tensor:
return self.model.get_input_embeddings(input_ids)
def forward(
self,
input_ids: torch.Tensor,
positions: torch.Tensor,
intermediate_tensors: Optional[IntermediateTensors] = None,
inputs_embeds: Optional[torch.Tensor] = None,
) -> Union[torch.Tensor, IntermediateTensors]:
hidden_states = self.model(input_ids, positions, intermediate_tensors,
inputs_embeds)
return hidden_states
def compute_logits(
self,
hidden_states: torch.Tensor,
sampling_metadata: SamplingMetadata,
) -> Optional[torch.Tensor]:
logits = self.logits_processor(self.lm_head, hidden_states,
sampling_metadata, self.lm_head.bias)
return logits
def load_weights(self, weights: Iterable[tuple[str,
torch.Tensor]]) -> set[str]:
loader = AutoWeightsLoader(
self,
skip_prefixes=(["lm_head."]
if self.config.tie_word_embeddings else None),
)
return loader.load_weights(weights)