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[ROCm] add AITER MLA prefill CI coverage - #53995

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CuongTranXuan:fix/issue-53944-rocm-aiter-ci
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[ROCm] add AITER MLA prefill CI coverage#53995
CuongTranXuan wants to merge 1 commit into
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CuongTranXuan:fix/issue-53944-rocm-aiter-ci

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Purpose

Fix #53944, where the ROCm AITER MLA prefill backend is not exercised by nightly CI.

This change adds separate optional Buildkite jobs for MI300 and MI355 environments. Each job sets VLLM_ROCM_USE_AITER=1 before pytest collection and runs the two affected MLA prefill correctness tests, so backend selection and correctness are checked explicitly on both hardware tiers.

Test Plan

  • Parse .buildkite/test-amd.yaml with PyYAML.
  • Verify that both new jobs select the expected MI300/MI355 queues or hardware constraints.
  • Verify that each job exports VLLM_ROCM_USE_AITER=1 before test collection.
  • Verify that each job runs the two cited MLA prefill correctness tests.
  • Execute the jobs in Buildkite on the corresponding ROCm hardware.

Test Result

The Buildkite YAML parsed successfully. Both jobs were statically verified to contain the required environment variable and test selectors. MI300/MI355 ROCm hardware is not available in this sandbox, so the actual GPU correctness runs must be completed by upstream Buildkite CI.

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Claude Code Review

This pull request is from a fork — automated review is disabled. A repository maintainer can comment @claude review to run a one-time review.

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@mergify mergify Bot added ci/build rocm Related to AMD ROCm labels Aug 27, 2026
@github-project-automation github-project-automation Bot moved this to Todo in AMD Aug 27, 2026
Signed-off-by: CuongTranXuan <cuongtranxuan.pfiev@gmail.com>
@CuongTranXuan
CuongTranXuan force-pushed the fix/issue-53944-rocm-aiter-ci branch from ce4114d to 0196901 Compare August 27, 2026 05:26

@AndreasKaratzas AndreasKaratzas left a comment

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Can you place the two test groups in the correct spots? I.e. the first under its proper test area under mi300 and the other one just in the proper test area section.

Comment thread .buildkite/test-amd.yaml
commands:
- pytest -v -s v1/attention --shard-id=$$BUILDKITE_PARALLEL_JOB --num-shards=$$BUILDKITE_PARALLEL_JOB_COUNT

- label: ":amd: (MI300) ROCm AITER MLA Prefill" # Issue #53944

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Can you substitute the current comment with "tbd"? I'm gonna put eventually averages of durations there 😅

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ci/build rocm Related to AMD ROCm

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Status: Todo

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[ROCm][CI] ROCM_AITER_FA MLA prefill backend never exercised in nightly CI

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