Run diff / bench in parallel #389
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| name: diff | ||
| on: | ||
| pull_request: | ||
| branches: [ master ] | ||
| jobs: | ||
| benchmark: | ||
| runs-on: ubuntu-latest | ||
| strategy: | ||
| matrix: | ||
| ref: [master, ${{ github.sha }}] | ||
| include: | ||
| - ref: master | ||
| name: old | ||
| - ref: ${{ github.sha }} | ||
| name: new | ||
| steps: | ||
| - name: Setup Go 1.18 | ||
| uses: actions/setup-go@v4 | ||
| with: | ||
| go-version: 1.18 | ||
| - name: Checkout code | ||
| uses: actions/checkout@v3 | ||
| with: | ||
| ref: ${{ matrix.ref }} | ||
| - name: Run benchmark | ||
| run: go test -bench=. -benchmem -run=^$ -count=10 -timeout=30m | tee /tmp/${{ matrix.name }}.txt | ||
| - name: Upload benchmark results | ||
| uses: actions/upload-artifact@v3 | ||
| with: | ||
| name: benchmark-${{ matrix.name }} | ||
| path: /tmp/${{ matrix.name }}.txt | ||
| compare: | ||
| needs: benchmark | ||
| runs-on: ubuntu-latest | ||
| steps: | ||
| - name: Setup Go 1.18 | ||
| uses: actions/setup-go@v4 | ||
| with: | ||
| go-version: 1.18 | ||
| - name: Install benchstat | ||
| # NOTE: benchstat@latest requires go 1.23 since 2025-02-14 - this is the last go 1.18 ref | ||
| # https://cs.opensource.google/go/x/perf/+/c95ad7d5b636f67d322a7e4832e83103d0fdd292 | ||
| run: go install golang.org/x/perf/cmd/benchstat@884df5810d2850d775c2cb4885a7ea339128a17d | ||
| - name: Download old benchmark results | ||
| uses: actions/download-artifact@v3 | ||
| with: | ||
| name: benchmark-old | ||
| path: /tmp/ | ||
| - name: Download new benchmark results | ||
| uses: actions/download-artifact@v3 | ||
| with: | ||
| name: benchmark-new | ||
| path: /tmp/ | ||
| - name: Compare benchmarks | ||
| run: benchstat /tmp/old.txt /tmp/new.txt | ||
