Debug Flash GPT2 #4
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This PR cleans up the HF Flash model and also makes it easy to train a vanilla HF
GPT2LMHeadModel.All FSDP related code is now moved out of the HF model class, and is fully contained in
def prepare_hf_gpt2_model_for_fsdp(model):The Composer version has also been upgraded a bit, will tag it to v0.11 as soon as I can (ideally end of week).