Benchmarks #1
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| name: Benchmarks | |
| on: | |
| # Run on a weekly schedule to detect performance regressions over time. | |
| schedule: | |
| - cron: "0 3 * * 1" # Monday at 03:00 UTC | |
| # Allow maintainers to trigger a benchmark run on demand. | |
| workflow_dispatch: | |
| inputs: | |
| bench_filter: | |
| description: "Optional bench name filter (e.g. 'graph_planner'). Leave blank to run all." | |
| required: false | |
| default: "" | |
| jobs: | |
| benchmarks: | |
| name: Run benchmarks | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Install Rust toolchain | |
| uses: dtolnay/rust-toolchain@stable | |
| with: | |
| toolchain: "1.94" | |
| - name: Cache Cargo registry and build artifacts | |
| uses: actions/cache@v4 | |
| with: | |
| path: | | |
| ~/.cargo/registry/index | |
| ~/.cargo/registry/cache | |
| ~/.cargo/git/db | |
| target/ | |
| key: ${{ runner.os }}-bench-${{ hashFiles('**/Cargo.lock') }} | |
| restore-keys: | | |
| ${{ runner.os }}-bench- | |
| # Run benchmarks that match the optional filter, or all benchmarks. | |
| # --message-format=json captures machine-readable output for archiving. | |
| - name: Run benchmarks | |
| run: | | |
| if [ -n "${{ github.event.inputs.bench_filter }}" ]; then | |
| cargo bench --bench "${{ github.event.inputs.bench_filter }}" \ | |
| -- --output-format bencher | tee /tmp/bench-output.txt | |
| else | |
| cargo bench \ | |
| -- --output-format bencher | tee /tmp/bench-output.txt | |
| fi | |
| # Criterion writes HTML reports to target/criterion/. | |
| - name: Upload Criterion HTML reports | |
| uses: actions/upload-artifact@v4 | |
| if: always() | |
| with: | |
| name: criterion-reports-${{ github.run_id }} | |
| path: target/criterion/ | |
| retention-days: 90 | |
| # Upload the raw bencher-format output for downstream tooling. | |
| - name: Upload raw benchmark output | |
| uses: actions/upload-artifact@v4 | |
| if: always() | |
| with: | |
| name: bench-output-${{ github.run_id }} | |
| path: /tmp/bench-output.txt | |
| retention-days: 90 | |
| # Persist a JSON snapshot of results alongside the commit SHA so that | |
| # future runs can compare against this baseline. | |
| - name: Save baseline snapshot | |
| run: | | |
| mkdir -p bench-history | |
| cp /tmp/bench-output.txt bench-history/bench-${{ github.sha }}.txt | |
| echo "${{ github.sha }}" > bench-history/latest-sha.txt | |
| - name: Upload baseline snapshot | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: bench-history-${{ github.run_id }} | |
| path: bench-history/ | |
| retention-days: 365 |