pytorch

29b119d0 - [Checkpoint] Add test for fsdp model state saving and loading with/without resharding (#90950)

[Checkpoint] Add test for fsdp model state saving and loading with/without resharding (#90950) As title. https://github.com/pytorch/pytorch/issues/90960 Pull Request resolved: https://github.com/pytorch/pytorch/pull/90950 Approved by: https://github.com/fduwjj