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Use log1p(x) instead of log(1+x) #2539

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Use log1p(x) instead of log(1+x) #2539

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@kit1980 kit1980 commented Sep 16, 2024

This function is more accurate than torch.log() for small values of input - https://pytorch.org/docs/stable/generated/torch.log1p.html

Found with https://github.com/pytorch-labs/torchfix/

@facebook-github-bot facebook-github-bot added the CLA Signed Do not delete this pull request or issue due to inactivity. label Sep 16, 2024
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codecov bot commented Sep 16, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.98%. Comparing base (e9ce11f) to head (fa485ea).
Report is 1 commits behind head on main.

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #2539   +/-   ##
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  Coverage   99.98%   99.98%           
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  Files         193      193           
  Lines       17010    17010           
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  Hits        17007    17007           
  Misses          3        3           

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Thanks @kit1980! Happy to stamp the diff if you want to import the PR into fbcode.

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@kit1980 has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

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@kit1980 merged this pull request in 200cb2a.

kit1980 added a commit to pytorch-labs/torchfix that referenced this pull request Sep 17, 2024
Suggest using `torch.log1p(x)` instead of `torch.log(1 + x)`.
Only a checker for now, probably not worth spending time on a codemod as
it's not a very common issue.

I used this to create a PR to botorch
pytorch/botorch#2539
@saitcakmak saitcakmak deleted the sdym/log1p branch September 22, 2024 17:37
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