name: Luau Benchmarks

on:
  push:
    branches:
      - feat/benchmarks-multi-os
    paths-ignore:
      - "docs/**"
      - "papers/**"
      - "rfcs/**"
      - "*.md"
      - "prototyping/**"

jobs:
  windows:
    name: Run ${{ matrix.bench.title }} (Windows ${{matrix.arch}})
    strategy:
      fail-fast: false
      matrix:
        os: [windows-latest]
        arch: [Win32, x64]
        engine:
          - { channel: stable, version: latest }
        bench:
          - {
              script: "run-benchmarks",
              timeout: 12,
              title: "Luau Benchmarks",
              cachegrindTitle: "Performance",
              cachegrindIterCount: 20,
            }
        benchResultsRepo:
          - { name: "AllanJeremy/luau-benchmark-results", branch: "main" }

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

      - name: Build Luau
        shell: bash # necessary for fail-fast
        run: |
          mkdir build && cd build
          cmake .. -DCMAKE_BUILD_TYPE=RelWithDebInfo
          cmake --build . --target Luau.Repl.CLI --config RelWithDebInfo
          cmake --build . --target Luau.Analyze.CLI --config RelWithDebInfo

      - name: Move build files to root
        run: |
          move build/RelWithDebInfo/* .

      - name: Check dir structure
        run: |
          ls build/RelWithDebInfo
          ls
      - uses: actions/setup-python@v3
        with:
          python-version: "3.9"
          architecture: "x64"

      - name: Install python dependencies
        run: |
          python -m pip install requests
          python -m pip install --user numpy scipy matplotlib ipython jupyter pandas sympy nose

      - name: Run benchmark
        run: |
          python bench/bench.py | tee ${{ matrix.bench.script }}-output.txt

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

      - name: Store ${{ matrix.bench.title }} result
        uses: Roblox/rhysd-github-action-benchmark@v-luau
        with:
          name: ${{ matrix.bench.title }}
          tool: "benchmarkluau"
          output-file-path: ./${{ matrix.bench.script }}-output.txt
          external-data-json-path: ./gh-pages/dev/bench/data.json
          alert-threshold: 150%
          fail-threshold: 200%
          fail-on-alert: true
          comment-on-alert: true
          comment-always: true
          github-token: ${{ secrets.GITHUB_TOKEN }}

      - 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 ./dev/bench/data.json
          git commit -m "Add benchmarks results for ${{ github.sha }}"
          git push
          cd ..

  unix:
    name: Run ${{ matrix.bench.title }} (${{ matrix.os}})
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest]
        bench:
          - {
              script: "run-benchmarks",
              timeout: 12,
              title: "Luau Benchmarks",
              cachegrindTitle: "Performance",
              cachegrindIterCount: 20,
            }
        benchResultsRepo:
          - { name: "luau-lang/benchmark-data", branch: "main" }

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

      - name: Build Luau
        run: make config=release luau luau-analyze

      - uses: actions/setup-python@v3
        with:
          python-version: "3.9"
          architecture: "x64"

      - name: Install python dependencies
        run: |
          python -m pip install requests
          python -m pip install --user numpy scipy matplotlib ipython jupyter pandas sympy nose

      - name: Run benchmark
        run: |
          python bench/bench.py | tee ${{ matrix.bench.script }}-output.txt

      - name: Install valgrind
        if: ${{ matrix.os }} == "ubuntu-latest"
        run: |
          sudo apt-get install valgrind

      - name: Run ${{ matrix.bench.title }} (Cold Cachegrind)
        if: ${{ matrix.os }} == "ubuntu-latest"
        run: sudo bash ./scripts/run-with-cachegrind.sh python ./bench/bench.py "${{ matrix.bench.cachegrindTitle}}Cold" 1 | tee -a ${{ matrix.bench.script }}-output.txt

      - name: Run ${{ matrix.bench.title }} (Warm Cachegrind)
        if: ${{ matrix.os }} == "ubuntu-latest"
        run: sudo bash ./scripts/run-with-cachegrind.sh python ./bench/bench.py "${{ matrix.bench.cachegrindTitle }}" ${{ matrix.bench.cachegrindIterCount }} | tee -a ${{ matrix.bench.script }}-output.txt

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

      - name: Store ${{ matrix.bench.title }} result
        uses: Roblox/rhysd-github-action-benchmark@v-luau
        with:
          name: ${{ matrix.bench.title }}
          tool: "benchmarkluau"
          output-file-path: ./${{ matrix.bench.script }}-output.txt
          external-data-json-path: ./gh-pages/dev/bench/data.json
          alert-threshold: 150%
          fail-threshold: 200%
          fail-on-alert: true
          comment-on-alert: true
          comment-always: true
          github-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Store ${{ matrix.bench.title }} result (CacheGrind)
        uses: Roblox/rhysd-github-action-benchmark@v-luau
        if: ${{ matrix.os }} == "ubuntu-latest"
        with:
          name: ${{ matrix.bench.title }} (CacheGrind)
          tool: "roblox"
          output-file-path: ./${{ matrix.bench.script }}-output.txt
          external-data-json-path: ./gh-pages/dev/bench/data.json
          alert-threshold: 150%
          fail-threshold: 1000%
          fail-on-alert: false
          comment-on-alert: true
          github-token: ${{ secrets.GITHUB_TOKEN }}

      - 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 ./dev/bench/data.json
          git commit -m "Add benchmarks results for ${{ github.sha }}"
          git push
          cd ..