name: benchmark

on:
  push:
    branches:
      - master
    paths-ignore:
      - "docs/**"
      - "papers/**"
      - "rfcs/**"
      - "*.md"
      - "prototyping/**"

jobs:
  callgrind:
    name: callgrind ${{ matrix.compiler }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-22.04]
        compiler: [g++]
        benchResultsRepo:
          - { name: "luau-lang/benchmark-data", branch: "main" }

    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout Luau repository
        uses: actions/checkout@v3

      - name: Install valgrind
        run: |
          sudo apt-get install valgrind

      - name: Build Luau
        run: CXX=${{ matrix.compiler }} make config=release CALLGRIND=1 luau

      - name: Run benchmark
        run: |
          python bench/bench.py --callgrind --vm "./luau -O2" | tee output.txt

      - name: Checkout benchmark results
        uses: actions/checkout@v3
        with:
          repository: ${{ matrix.benchResultsRepo.name }}
          ref: ${{ matrix.benchResultsRepo.branch }}
          token: ${{ secrets.BENCH_GITHUB_TOKEN }}
          path: "./gh-pages"

      - name: Store results
        uses: Roblox/rhysd-github-action-benchmark@v-luau
        with:
          name: callgrind ${{ matrix.compiler }}
          tool: "benchmarkluau"
          output-file-path: ./output.txt
          external-data-json-path: ./gh-pages/bench/data.json

      - name: Push benchmark results
        if: github.event_name == 'push'
        run: |
          echo "Pushing benchmark results..."
          cd gh-pages
          git config user.name github-actions
          git config user.email github@users.noreply.github.com
          git add ./bench/data.json
          git commit -m "Add benchmarks results for ${{ github.sha }}"
          git push
          cd ..