bench.yml

on: 
  push:
    branches: [main]
  pull_request:

name: Benchmark

jobs:
  benchmark:
    name: Run benchmarks
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]
        rust:
          - stable

    steps:
      # Some of the snapshots have long file paths, so we need to enable long file paths on Windows where the limit is 260 by default
      - name: Allow Long File Paths
        if: matrix.os == 'windows-latest'
        run: |
          reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem /v LongPathsEnabled /t REG_DWORD /d 1 /f
          # https://github.com/actions/checkout/issues/1285#issuecomment-2042579471
          git config --system core.longpaths true
      - name: Checkout sources
        uses: actions/checkout@v2
        with:
          submodules: recursive

      - name: Install toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}
          override: true
        
      - uses: Swatinem/rust-cache@v1
    
      - name: Download benchmark artifacts
        uses: dawidd6/action-download-artifact@v2
        with:
          workflow: bench.yml
          name: benchmarks-${{ matrix.os }}
          path: target/criterion
        continue-on-error: true
      
      - name: Run cargo benchmark
        uses: actions-rs/cargo@v1
        with: 
          command: bench
          args: --bench parser --bench simplification -- --warm-up-time=2 --measurement-time=3 --sample-size=500 --color=always
      
      - name: Archive benchmark results
        if: ${{ github.ref == 'refs/heads/main'}}
        uses: actions/upload-artifact@v3
        with:
          name: benchmarks-${{ matrix.os }}
          path: target/criterion