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[Bugfix] Revert "[ROCm][Perf] Replace torch.topk in DSA candidate block selection" - #59125

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Fangzhou-Ai:revert-58208-rocm-dsa-candidate-topk
Sep 29, 2026
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ywang96 merged 1 commit into
vllm-project:mainfrom
Fangzhou-Ai:revert-58208-rocm-dsa-candidate-topk

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@Fangzhou-Ai

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I am reverting #58208 for 2 reasons: 1, there are some potential bugs under some certain shape, 2 the path will be replaced by #58671 is introducing a new path which is much faster so no need to further improve the kernel here.

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@Fangzhou-Ai Fangzhou-Ai added the ready ONLY add when PR is ready to merge/full CI is needed label Sep 29, 2026
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/ci run

@mergify mergify Bot added the rocm Related to AMD ROCm label Sep 29, 2026
@github-project-automation github-project-automation Bot moved this to Todo in AMD Sep 29, 2026
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✅ @Fangzhou-Ai, CI is now available for this PR.

  • /ci run starts upstream CI; /amd-ci run starts AMD CI only.
  • Your branch must contain every commit currently on its upstream target branch. Merge or rebase onto the latest target branch, then rerun the command. Append --allow-stale to a run command to test an outdated branch at your own risk.
  • /ci retry retries failed jobs in the CI build for the current PR head. If the current head has no CI build, it starts a new CI build for the current head containing only jobs that failed in the latest earlier CI build for this PR.
  • /amd-ci retry retries failed jobs in AMD CI for the current PR head. Use /amd-ci run when the current head has no AMD CI build.
  • /ci cancel cancels scheduled or running CI builds for this PR branch; /amd-ci cancel does the same for AMD CI only.

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✅ Triggered Buildkite CI #91727 for commit 0cf8f3676238.

…ion (vllm-project#58208)"

This reverts commit 6b24bd8.

Signed-off-by: Fangzhou Ai <31551580+Fangzhou-Ai@users.noreply.github.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
@Fangzhou-Ai
Fangzhou-Ai force-pushed the revert-58208-rocm-dsa-candidate-topk branch from 0cf8f36 to 3ac8c04 Compare September 29, 2026 03:05
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/ci run

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✅ Triggered Buildkite CI #91728 for commit 3ac8c042a006.

@Fangzhou-Ai Fangzhou-Ai changed the title Revert "[ROCm][Perf] Replace torch.topk in DSA candidate block selection" [Bugfix] Revert "[ROCm][Perf] Replace torch.topk in DSA candidate block selection" Sep 29, 2026
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/ci run

@mergify mergify Bot added the bug Something isn't working label Sep 29, 2026
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✅ CI is already running for this commit: https://buildkite.com/vllm/ci/builds/91728

@ywang96
ywang96 merged commit cf971b4 into vllm-project:main Sep 29, 2026
11 of 14 checks passed
chunfangamd added a commit to SemiAnalysisAI/InferenceX that referenced this pull request Sep 30, 2026
…m#58208

vllm-project/vllm#58208 was reverted by vllm-project/vllm#59125 before the pinned build, so the image only carries #58655 and #53492. Comment-only change.

Co-authored-by: Cursor <cursoragent@cursor.com>
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