Nightly Benchmarks #5
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| --- | |
| name: Nightly Benchmarks | |
| on: | |
| schedule: | |
| # Run at 2 AM UTC every day | |
| - cron: "0 2 * * *" | |
| workflow_dispatch: | |
| inputs: | |
| jmh_args: | |
| description: "Additional JMH arguments (e.g., '-f 1 -wi 1 -i 3' for quick run)" | |
| required: false | |
| default: "" | |
| permissions: {} | |
| concurrency: | |
| group: "benchmarks" | |
| defaults: | |
| run: | |
| shell: bash | |
| jobs: | |
| benchmark: | |
| runs-on: ubuntu-24.04 | |
| permissions: | |
| contents: write | |
| steps: | |
| - name: Checkout main branch | |
| uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2 | |
| with: | |
| persist-credentials: true | |
| fetch-depth: 0 | |
| - name: Setup mise | |
| uses: jdx/mise-action@6d1e696aa24c1aa1bcc1adea0212707c71ab78a8 # v3.6.1 | |
| with: | |
| version: v2026.1.4 | |
| sha256: 79c798e39b83f0dd80108eaa88c6ca63689695ae975fd6786e7a353ef9f87002 | |
| - name: Cache local Maven repository | |
| uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3 | |
| with: | |
| path: ~/.m2/repository | |
| key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }} | |
| restore-keys: | | |
| ${{ runner.os }}-maven- | |
| - name: Run JMH benchmarks | |
| run: mise run benchmark:ci-json | |
| env: | |
| JMH_ARGS: ${{ github.event.inputs.jmh_args }} | |
| - name: Generate benchmark summary | |
| run: | | |
| mise run benchmark:generate-summary \ | |
| --input benchmark-results.json \ | |
| --output-dir benchmark-results \ | |
| --commit-sha "${{ github.sha }}" | |
| env: | |
| GITHUB_REPOSITORY: ${{ github.repository }} | |
| - name: Commit and push results to benchmarks branch | |
| run: | | |
| # Save results to a temp location | |
| mkdir -p /tmp/benchmark-output | |
| cp -r benchmark-results/* /tmp/benchmark-output/ | |
| git config user.name "github-actions[bot]" | |
| git config user.email "github-actions[bot]@users.noreply.github.com" | |
| # Checkout or create benchmarks branch (use -- to disambiguate from benchmarks/ directory) | |
| if git ls-remote --heads origin benchmarks | grep -q benchmarks; then | |
| git fetch origin benchmarks | |
| git switch benchmarks | |
| # Preserve existing history | |
| if [ -d history ]; then | |
| cp -r history /tmp/benchmark-output/ | |
| fi | |
| else | |
| git switch --orphan benchmarks | |
| fi | |
| # Clean working directory | |
| git rm -rf . 2>/dev/null || true | |
| find . -mindepth 1 -maxdepth 1 ! -name '.git' -exec rm -rf {} + | |
| # Copy only the benchmark results | |
| cp -r /tmp/benchmark-output/* . | |
| git add README.md results.json history/ | |
| DATE=$(date -u +"%Y-%m-%d") | |
| COMMIT_SHORT=$(echo "${{ github.sha }}" | cut -c1-7) | |
| git commit \ | |
| -m "Benchmark results for ${DATE} (${COMMIT_SHORT})" \ | |
| -m "From commit ${{ github.sha }}" \ | |
| || echo "No changes to commit" | |
| git push origin benchmarks --force-with-lease || git push origin benchmarks |