Feat: add cpu offload #3636
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Feat: add cpu offload #3636
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Adds cpu offload when saving FSDP2 model, this has lead to weird hangs on my end before, but I can't reproduce it anymore. This should fix #3633, I'd be in favour of pushing this for a version and see if someone complains. I can't reproduce the hang I had before whatsoever.
cc @SunMarc let me know your thoughts