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Revert "[RELAND][Triton] Make tl.cat deterministic by using permute+reshape+join and remove CatOp"#8878

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ThomasRaoux merged 1 commit into
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revert-8854-revert-8777-revert-8769-mogball/cat
Dec 2, 2025
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Revert "[RELAND][Triton] Make tl.cat deterministic by using permute+reshape+join and remove CatOp"#8878
ThomasRaoux merged 1 commit into
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revert-8854-revert-8777-revert-8769-mogball/cat

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@ThomasRaoux
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sadly need to revert this PR again :( #8854

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Comment thread python/triton/language/semantic.py
@ThomasRaoux ThomasRaoux merged commit 36e8f65 into main Dec 2, 2025
7 of 9 checks passed
@ThomasRaoux ThomasRaoux deleted the revert-8854-revert-8777-revert-8769-mogball/cat branch December 2, 2025 23:32
@jiangxiewei
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🤣may I ask why ? I saw official document changed twice in three or four days .....

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🤣may I ask why ? I saw official document changed twice in three or four days .....

it's causing performance regressions we are trying to fix

meta-codesync Bot pushed a commit to facebookexperimental/triton that referenced this pull request Apr 10, 2026
…deterministic by using permute+reshape+join and remove `CatOp`" (#8878)'

Summary:
This is a cherry-pick of an upstream PR: triton-lang/triton#8878

Upstream commit message:
```
> Revert "[RELAND][Triton] Make `tl.cat` deterministic by using permute+reshape+join and remove `CatOp`" (#8878)

> sadly need to revert this PR again :(  triton-lang/triton#8854
```

Diff Comparison: https://www.internalfb.com/intern/paste/P2265109153/

***Do not remove the following line from this commit***
Reactor Cherry-pick Revision: 36e8f65
 ---

This diff was generated by running:
```
buck run fbcode//triton/tools/reactor:reactor -- cherrypick --num-commits 1 --no-submit
```

Reviewed By: njriasan

Differential Revision: D99910037

fbshipit-source-id: 299cf77b79640b7da39f563b39a946c6f9dd482d
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2 participants