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This variable is currently unused and is confusing.

Related: vllm-project/flash-attention#74

This variable is currently unused and is confusing

Signed-off-by: Daniele Trifirò <[email protected]>
@dtrifiro dtrifiro requested a review from hmellor as a code owner July 25, 2025 08:21
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Code Review

This pull request cleanly removes the unused build argument VLLM_FA_CMAKE_GPU_ARCHES. The changes are applied consistently across the CI script, Dockerfiles, and documentation. The removal of this obsolete variable improves code clarity and maintainability. The changes are correct and I see no issues.

@mergify mergify bot added documentation Improvements or additions to documentation ci/build labels Jul 25, 2025
@dtrifiro dtrifiro force-pushed the remove-deprecated-build-env-var branch from fb9de49 to 330ef6a Compare July 25, 2025 08:22
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cc @LucasWilkinson as discussed a few weeks ago 😅

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Does this not reduce the binary size like the comments suggest?

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@hmellor No, it's unused everywhere. You can grep for it in this repo and in flash-attention and it's not being used anywhere. See related PR in flash-attention repo here vllm-project/flash-attention#74 for more details.

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In that case, LGTM as long as the tests pass.

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hmellor commented Jul 29, 2025

It does look like the failing image build is likely related though

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@hmellor nope: [2025-07-25T08:27:42Z] 4.026 E: Failed to fetch https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/Packages.gz File has unexpected size (2731565 != 2729198). Mirror sync in progress? [IP: 23.46.17.66 443]

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job restarted

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hmellor commented Jul 29, 2025

Oops, I mistook the unexpected size to be coming from our image, not a download

@hmellor hmellor enabled auto-merge (squash) July 29, 2025 13:25
@github-actions github-actions bot added the ready ONLY add when PR is ready to merge/full CI is needed label Jul 29, 2025
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LGTM, Thank you for doing this!

@youkaichao youkaichao disabled auto-merge July 31, 2025 06:59
@youkaichao youkaichao merged commit d2aab33 into vllm-project:main Jul 31, 2025
94 of 102 checks passed
@dtrifiro dtrifiro deleted the remove-deprecated-build-env-var branch July 31, 2025 08:15
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