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PyTorch 2.1 support #265

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schmidt-ai opened this issue Oct 12, 2023 · 3 comments · May be fixed by #281
Open

PyTorch 2.1 support #265

schmidt-ai opened this issue Oct 12, 2023 · 3 comments · May be fixed by #281

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@schmidt-ai
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Looks like there are some breaking changes to the FSDP API in PyTorch 2.1.

For example, dinov2.fsdp.__init__.py::free_if_fsdp is broken when using torch==2.1: AttributeError: 'DinoVisionTransformer' object has no attribute '_handles'
@qasfb
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qasfb commented Oct 13, 2023

Thanks for reporting ! We are still working on the transition to PT2.1 @patricklabatut

@schmidt-ai
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Glad to hear it. Lmk if I can help.

@dsuess
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dsuess commented Oct 23, 2023 •
edited

I found the following works in pytorch 2.1:

def free_if_fsdp(x: FSDP):
    if is_sharded_fsdp(x) and x._has_params:
        handle = x._handle
        _reshard(x, handle, True)

@schmidt-ai schmidt-ai linked a pull request Oct 26, 2023 that will close this issue
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PyTorch 2.1 compatibility schmidt-ai/dinov2
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@dsuess @qasfb @schmidt-ai