mirror of https://github.com/hpcaitech/ColossalAI
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47 lines
1.3 KiB
47 lines
1.3 KiB
from typing import Callable
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import torch
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try:
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from . import _meta_registrations
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META_COMPATIBILITY = True
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except:
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META_COMPATIBILITY = False
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def compatibility(is_backward_compatible: bool = False) -> Callable:
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"""A decorator to make a function compatible with different versions of PyTorch.
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Args:
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is_backward_compatible (bool, optional): Whether the function is backward compatible. Defaults to False.
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Returns:
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Callable: The decorated function
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"""
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def decorator(func):
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if META_COMPATIBILITY:
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return func
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else:
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if is_backward_compatible:
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return func
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else:
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def wrapper(*args, **kwargs):
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raise RuntimeError(f'Function `{func.__name__}` is not compatible with PyTorch {torch.__version__}')
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return wrapper
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return decorator
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def is_compatible_with_meta() -> bool:
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"""Check the meta compatibility. Normally it should be called before importing some of the `colossalai.fx`
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modules. If the meta compatibility is not satisfied, the `colossalai.fx` modules will be replaced by its
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experimental counterparts.
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Returns:
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bool: The meta compatibility
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"""
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return META_COMPATIBILITY
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