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GPU concurrency #399

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Merged
msaroufim merged 2 commits into from
Jan 14, 2026
Merged

GPU concurrency #399

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223a9fe
GPU concurrency
msaroufim Jan 14, 2026
e5b72ea
update
msaroufim Jan 14, 2026
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17 changes: 16 additions & 1 deletion .github/workflows/nvidia_workflow.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,23 @@ on:
run-name: 'NVIDIA Job - ${{ github.event.inputs.run_id }}'

jobs:
select-runner:
runs-on: ubuntu-latest
outputs:
runner: ${{ steps.pick.outputs.runner }}
steps:
- id: pick
run: |
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Copilot AI Jan 14, 2026

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The runner list skips gpu1, gpu3, and gpu6 without explanation. Consider adding a comment explaining why these specific GPUs are selected, or use a more consistent naming pattern if possible.

Suggested change
run: |
run: |
# Only schedule jobs on GPUs that are available for CI use.
# gpu1, gpu3, and gpu6 on b200-02 are reserved/unavailable, so they are intentionally excluded.

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runners=("b200-02-gpu0" "b200-02-gpu1" "b200-02-gpu2" "b200-02-gpu3" "b200-02-gpu4" "b200-02-gpu5" "b200-02-gpu6" "b200-02-gpu7")
index=$(( ${{ github.run_number }} % 8 ))
echo "runner=${runners[$index]}" >> $GITHUB_OUTPUT

run:
runs-on: [nvidia-docker-b200-8-x86-64]
needs: select-runner
runs-on: ${{ needs.select-runner.outputs.runner }}
concurrency:
group: ${{ needs.select-runner.outputs.runner }}
cancel-in-progress: false
timeout-minutes: 10
steps:
- uses: actions/checkout@v3
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