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31 lines
1001 B
31 lines
1001 B
5 months ago
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"""
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APIs related to torch.compile which lazily import torch._dynamo to avoid
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circular dependencies.
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"""
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import functools
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def _disable_dynamo(fn=None, recursive=True):
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"""
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This API should be only used inside torch, external users should still use
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torch._dynamo.disable. The main goal of this API is to avoid circular
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imports issues that is common while using _dynamo.disable inside torch
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itself.
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This API avoids it by lazily importing torch._dynamo from the import time to
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the invocation of the decorated function.
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"""
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if fn is not None:
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@functools.wraps(fn)
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def inner(*args, **kwargs):
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import torch._dynamo
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return torch._dynamo.disable(fn, recursive)(*args, **kwargs)
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return inner
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else:
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# decorator usage like @_disable_dynamo(recursive=False). The resulting
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# object expects the original decorated function as the arg.
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return functools.partial(_disable_dynamo, recursive=recursive)
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