[SMG] Fix matrix-sibling concurrency collision in PR Test (SMG) (#25188)

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 13:25:40 -07:00
parent 72b49bfac6
commit b1db9f71ee
1 changed files with 6 additions and 2 deletions
@@ -270,9 +270,13 @@ jobs:
    # Self-hosted GPU runners are scarce; serialize per hardware type so
    # 2-gpu-h100 and 4-gpu-h100 each run one job at a time across all
    # in-flight PRs. Queue rather than cancel — different refs shouldn't
-    # interrupt each other.
+    # interrupt each other. Include matrix.name in the group so siblings
+    # within the same run don't collide: GitHub keeps only one pending job
+    # per concurrency group, so matrix entries sharing a group (e.g.
+    # benchmarks + chat-completions-4gpu on 4-gpu-h100) would evict each
+    # other regardless of cancel-in-progress: false.
    concurrency:
-      group: pr-test-rust-${{ matrix.runner }}
+      group: pr-test-rust-${{ matrix.runner }}-${{ matrix.name }}
      cancel-in-progress: false
    steps:
      - name: Checkout code