Fix incorrect comments about atten mask for pytorch backend#18728
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sgugger merged 3 commits intohuggingface:mainfrom Sep 23, 2022
Merged
Fix incorrect comments about atten mask for pytorch backend#18728sgugger merged 3 commits intohuggingface:mainfrom
sgugger merged 3 commits intohuggingface:mainfrom
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The documentation is not available anymore as the PR was closed or merged. |
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I think it's more clear to change from |
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I agree, this is better. |
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ydshieh
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Sep 23, 2022
| # effectively the same as removing these entirely. | ||
| attention_mask = attention_mask.to(dtype=self.dtype) # fp16 compatibility | ||
| attention_mask = (1.0 - attention_mask) * -10000.0 | ||
| attention_mask = (1.0 - attention_mask) * torch.finfo(self.dtype).min |
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CodeGen was added after #17306. So update it here along with the comment.
sgugger
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Sep 23, 2022
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Thanks a lot for fixing!
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What does this PR do?
I found these comments do not match the actual behavior. In these comments we use
-10000.0to mask out elements beforesoftmaxbut the actual value used istorch.finfo(dtype).min.Before submitting
Pull Request section?
to it if that's the case.
documentation guidelines, and
here are tips on formatting docstrings.
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