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[Precision] Support lm_head layer running in float32 (#3597)
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* support lm_head fp32 bf16 fp16

* support lm_head fp32 bf16 fp16

* add doc and check code

* lm_head_fp32 specify lm_head as fp32

* code check

* check doc
This commit is contained in:
chen
2025-08-27 11:34:53 +08:00
committed by GitHub
parent ad319a87cc
commit ce9c0917c5
15 changed files with 99 additions and 60 deletions
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13
fastdeploy/model_executor/utils.py
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@@ -14,6 +14,7 @@
# limitations under the License.
"""
from contextlib import contextmanager
from typing import Any, Optional, Union
import paddle
@@ -185,3 +186,15 @@ def default_weight_loader(fd_config: FDConfig) -> None:
param.copy_(loaded_weight, False)
return fn
@contextmanager
def temporary_dtype(dtype: str):
"""Temporarily set Paddle default dtype"""
orig_dtype = paddle.get_default_dtype()
try:
if dtype is not None and dtype == "float32":
paddle.set_default_dtype(dtype)
yield
finally:
paddle.set_default_dtype(orig_dtype)