FSDP enhancements and fixes #1753
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pacman100
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sgugger
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Jul 21, 2023
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winglian
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* if the model is already an FSDP instance, remove the warning and prep overhead * allow usage of `_no_split_modules` to simplify UX when using FSDP * Update other.py * fixes
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What does this PR do?
transformer_layer_cls_to_wraptomodel._no_split_modules? transformers#24568 via fsdp fixes and enhancements transformers#24980extract_from_parallelhow unwraps FSDP models too but these will lead to FSDP issues if there are modules as part of the global FSDP unit as the parameters of those modules won't be gathered if one isn't calling global FSDP wrapper's forward call. This is wrt issue Validation Errors When Training ControlNet with FSDP diffusers#4037