pull_request.yml

on:
  pull_request:
    branches: [ master ]
name: Benchmarks
jobs:
  runBenchmark:
    name: run benchmark
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          profile: minimal
      - name: Cache cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-
      - name: Install critcmp
        run: cargo install critcmp --force
      - name: Run benchmarks on master
        run: |
          git checkout origin/master
          cd benches && cargo bench -- --save-baseline master
      - name: Run benchmarks on PR
        run: |
          git checkout ${{ github.sha }}
          cd benches && cargo bench -- --save-baseline changes
      - name: Generate benchmark comparison
        run: |
          cd benches && critcmp master changes > $GITHUB_WORKSPACE/benchmark_result.txt 2>&1 || true
      - name: Save PR number
        run: echo "${{ github.event.pull_request.number }}" > pr_number.txt
      - name: Upload benchmark results
        uses: actions/upload-artifact@v4
        with:
          name: benchmark-results
          path: |
            benchmark_result.txt
            pr_number.txt