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033e733021
This reverts commit 749a132fb0.
Reverted https://github.com/pytorch/pytorch/pull/126898 on behalf of https://github.com/fbgheith due to switching typing-extensions=4.3.0 to 4.9.0 causes internal failure ([comment](https://github.com/pytorch/pytorch/pull/126898#issuecomment-2142884456))
33 lines
898 B
Python
33 lines
898 B
Python
import warnings
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import torch
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__all__ = ["GradScaler"]
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class GradScaler(torch.amp.GradScaler):
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r"""
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See :class:`torch.amp.GradScaler`.
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``torch.cpu.amp.GradScaler(args...)`` is deprecated. Please use ``torch.amp.GradScaler("cpu", args...)`` instead.
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"""
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def __init__(
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self,
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init_scale: float = 2.0**16,
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growth_factor: float = 2.0,
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backoff_factor: float = 0.5,
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growth_interval: int = 2000,
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enabled: bool = True,
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) -> None:
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warnings.warn(
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"torch.cpu.amp.GradScaler(args...) is deprecated. Please use torch.amp.GradScaler('cpu', args...) instead."
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)
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super().__init__(
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"cpu",
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init_scale=init_scale,
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growth_factor=growth_factor,
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backoff_factor=backoff_factor,
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growth_interval=growth_interval,
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enabled=enabled,
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)
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