mirror of
https://github.com/zebrajr/pytorch.git
synced 2025-12-08 07:39:33 +01:00
f3fce597e9
See https://github.com/pytorch/pytorch/pull/129751#issue-2380881501. Most changes are auto-generated by linter. You can review these PRs via: ```bash git diff --ignore-all-space --ignore-blank-lines HEAD~1 ``` Pull Request resolved: https://github.com/pytorch/pytorch/pull/129769 Approved by: https://github.com/ezyang
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
# mypy: allow-untyped-defs
|
|
from typing import Any
|
|
from typing_extensions import deprecated
|
|
|
|
import torch
|
|
|
|
|
|
__all__ = ["autocast"]
|
|
|
|
|
|
class autocast(torch.amp.autocast_mode.autocast):
|
|
r"""
|
|
See :class:`torch.autocast`.
|
|
``torch.cpu.amp.autocast(args...)`` is deprecated. Please use ``torch.amp.autocast("cpu", args...)`` instead.
|
|
"""
|
|
|
|
@deprecated(
|
|
"`torch.cpu.amp.autocast(args...)` is deprecated. "
|
|
"Please use `torch.amp.autocast('cpu', args...)` instead.",
|
|
category=FutureWarning,
|
|
)
|
|
def __init__(
|
|
self,
|
|
enabled: bool = True,
|
|
dtype: torch.dtype = torch.bfloat16,
|
|
cache_enabled: bool = True,
|
|
):
|
|
if torch._jit_internal.is_scripting():
|
|
self._enabled = enabled
|
|
self.device = "cpu"
|
|
self.fast_dtype = dtype
|
|
return
|
|
super().__init__(
|
|
"cpu", enabled=enabled, dtype=dtype, cache_enabled=cache_enabled
|
|
)
|
|
|
|
def __enter__(self):
|
|
if torch._jit_internal.is_scripting():
|
|
return self
|
|
return super().__enter__()
|
|
|
|
# TODO: discuss a unified TorchScript-friendly API for autocast
|
|
def __exit__(self, exc_type: Any, exc_val: Any, exc_tb: Any): # type: ignore[override]
|
|
if torch._jit_internal.is_scripting():
|
|
return
|
|
return super().__exit__(exc_type, exc_val, exc_tb)
|
|
|
|
def __call__(self, func):
|
|
if torch._jit_internal.is_scripting():
|
|
return func
|
|
return super().__call__(func)
|