bench.yml

name: Rust Bench
on:
  pull_request:
jobs:
  runBenchMark:
    name: run benchmark
    runs-on: ubuntu-latest
    env:
      RUSTC_VERSION: 1.79.0
    steps:
    - uses: actions/checkout@v4
    - name: Checkout base branch
      uses: actions/checkout@v4
      with:
        ref: ${{ github.base_ref }}
        path: main/
    - name: Install stable toolchain
      uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: ${{ env.RUSTC_VERSION }}
        override: true
        target: wasm32-unknown-unknown
    - uses: actions/setup-python@v4
      with:
        python-version: "3.10"
    - name: Install Python dependencies
      run: |
        python -m pip install --upgrade pip
        pip install pyyaml
    - name: Cache cargo build
      uses: actions/cache@v4
      with:
        path: |
          ~/.cargo
          target
          rust/bench/target
        key: ${{ runner.os }}-bench-0.1.4-${{ hashFiles('**/Cargo.lock') }}
    - name: Install canbench
      run: cargo install canbench
    - name: Run perf for base branch
      run: |
        pushd main/rust/bench
        canbench --persist
        popd
        cp main/rust/bench/canbench_results.yml rust/bench/
    - name: Run perf for PR beanch
      run: |
        pushd rust/bench
        canbench --less-verbose --persist > /tmp/perf.txt
        python diff.py canbench_results.yml ../../main/rust/bench/canbench_results.yml > /tmp/table.md
        {
          cat /tmp/table.md
          echo "<details><summary>Click to see raw report</summary>"
          echo
          echo "\`\`\`"
          cat /tmp/perf.txt
          echo "\`\`\`"
          echo "</details>"
        } > /tmp/message.txt
    - name: Post comment
      uses: thollander/actions-comment-pull-request@v2
      with:
        filePath: /tmp/message.txt
        comment_tag: canbench