dreambooth: fix #1566: maintain fp32 wrapper when saving a checkpoint to avoid crash when running fp16#1618
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patrickvonplaten merged 4 commits intohuggingface:mainfrom Dec 10, 2022
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… checkpoint to avoid crash when running fp16
…ions of accelerate. part of fix for huggingface#1566
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This was already reviewed by @patil-suraj in #1567, and it looks good to me! I just suggested a minor rewording of the comment.
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>
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Thanks @timh! @patil-suraj @pcuenca @williamberman let's not forgot to remove this when accelerate is forced to be a newer version |
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… checkpoint to avoid crash when running fp16 (huggingface#1618) * dreambooth: fix huggingface#1566: maintain fp32 wrapper when saving a checkpoint to avoid crash when running fp16 * dreambooth: guard against passing keep_fp32_wrapper arg to older versions of accelerate. part of fix for huggingface#1566 * Apply suggestions from code review Co-authored-by: Pedro Cuenca <pedro@huggingface.co> * Update examples/dreambooth/train_dreambooth.py Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com> Co-authored-by: Pedro Cuenca <pedro@huggingface.co>
sliard
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… checkpoint to avoid crash when running fp16 (huggingface#1618) * dreambooth: fix huggingface#1566: maintain fp32 wrapper when saving a checkpoint to avoid crash when running fp16 * dreambooth: guard against passing keep_fp32_wrapper arg to older versions of accelerate. part of fix for huggingface#1566 * Apply suggestions from code review Co-authored-by: Pedro Cuenca <pedro@huggingface.co> * Update examples/dreambooth/train_dreambooth.py Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com> Co-authored-by: Pedro Cuenca <pedro@huggingface.co>
rafaelgm
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Jan 6, 2023
When using mixed precision and trying to save weights every N steps I was getting this error after the first save step: RuntimeError: Input type (struct c10::Half) and bias type (float) should be the same Adding keep_fp32_wrapper=True to the two unwrap_model calls on save_weights seems to fix the issue.
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same code changes as PR #1567, but with a proper branch name now, so the merge commit is nicer :)