js-and-wasm-benchmarks.yml

name: 'JS benchmarks'

on:
  workflow_run:
    workflows: ['Package the js repl as a binary artifact']
    branches: [master]
    types: [completed]

jobs:
  js-benchmarks:
    runs-on: ${{ fromJSON(matrix.runner_labels) }}
    if: ${{ github.repository == 'LadybirdBrowser/ladybird' && github.event.workflow_run.conclusion == 'success' }}
    name: ${{ matrix.os_name }}, ${{ matrix.arch }}
    container: ${{ fromJSON(matrix.container) }}

    strategy:
      fail-fast: false
      matrix:
        os_name: ['Linux']
        arch: ['x86_64']
        package_type: ['Linux-x86_64']
        runner_labels: ['["ubuntu-24.04-internal", "js-benchmarks", "self-hosted"]']
        container: [&ci_container '{"image":"ghcr.io/ladybirdbrowser/ladybird-ci:2026.07.04"}']

        include:
          - os_name: 'macOS'
            arch: 'arm64'
            package_type: 'macOS-arm64'
            runner_labels: '["macos-26", "js-benchmarks", "self-hosted"]'
            container: 'null'

    permissions:
      actions: read
      contents: read

    steps:
      - name: 'Checkout LadybirdBrowser/js-benchmarks'
        uses: actions/checkout@v7.0.0
        with:
          repository: LadybirdBrowser/js-benchmarks
          path: js-benchmarks
          ref: master

      - name: 'Determine js-benchmarks commit hash'
        id: js-benchmarks-commit
        shell: bash
        run: |
          cd js-benchmarks
          echo "sha=$(git rev-parse HEAD)" >> "${GITHUB_OUTPUT}"

      - name: 'Download JS repl artifact'
        uses: dawidd6/action-download-artifact@v21
        with:
          run_id: ${{ github.event.workflow_run.id }}
          name: ladybird-js-${{ matrix.package_type }}
          path: js-repl

      - name: 'Extract JS repl'
        shell: bash
        run: |
          cd js-repl
          tar -xvzf ladybird-js-${{ matrix.os_name }}-${{ matrix.arch }}.tar.gz

      - name: 'Determine JS repl build commit hash'
        id: js-build-commit
        shell: bash
        run: |
          commit_hash=$(cat js-repl/COMMIT)
          echo "sha=${commit_hash}" >> "${GITHUB_OUTPUT}"

      - name: 'Download wasm repl artifact'
        uses: dawidd6/action-download-artifact@v21
        with:
          run_id: ${{ github.event.workflow_run.id }}
          name: ladybird-wasm-${{ matrix.package_type }}
          path: wasm-repl
          if_no_artifact_found: warn

      - name: 'Extract wasm repl'
        if: ${{ hashFiles('wasm-repl/*.tar.gz') != '' }}
        shell: bash
        run: |
          cd wasm-repl
          tar -xvzf ladybird-wasm-${{ matrix.os_name }}-${{ matrix.arch }}.tar.gz

      - name: 'Download cranelift-compiler artifact'
        uses: dawidd6/action-download-artifact@v21
        with:
          run_id: ${{ github.event.workflow_run.id }}
          name: ladybird-cranelift-compiler-${{ matrix.package_type }}
          path: cranelift-compiler
          if_no_artifact_found: warn

      - name: 'Install cranelift-compiler next to wasm'
        if: ${{ hashFiles('cranelift-compiler/cranelift-compiler') != '' && hashFiles('wasm-repl/bin/wasm') != '' }}
        shell: bash
        run: |
          install -m 0755 cranelift-compiler/cranelift-compiler wasm-repl/bin/cranelift-compiler

      - name: 'Run the benchmarks'
        shell: bash
        run: |
          cd js-benchmarks
          python3 -m venv .venv
          source .venv/bin/activate
          python3 -m pip install -r requirements.txt

          run_options='--iterations=5'

          js_path="${GITHUB_WORKSPACE}/js-repl/bin/js"
          run_options="${run_options} --executable=${js_path}"

          wasm_path="${GITHUB_WORKSPACE}/wasm-repl/bin/wasm"
          if [ -x "${wasm_path}" ]; then
              run_options="${run_options} --wasm-executable=${wasm_path}"
          else
              echo "Wasm repl not found; skipping wasm benchmarks."
          fi

          if [ "${{ github.event.workflow_run.event }}" = "workflow_dispatch" ]; then
              # Upstream was run manually; we might run into failing benchmarks as a result of older builds.
              run_options="${run_options} --continue-on-failure"
          fi

          ./run.py ${run_options}

      - name: 'Save results as an artifact'
        uses: actions/upload-artifact@v7
        with:
          name: js-benchmarks-results-${{ matrix.os_name }}-${{ matrix.arch }}
          path: js-benchmarks/results.json
          retention-days: 90

      - name: 'Call webhook'
        shell: bash
        run: |
          echo '{
              "commit": "${{ steps.js-build-commit.outputs.sha }}",
              "benchmarks_commit": "${{ steps.js-benchmarks-commit.outputs.sha }}",
              "os": "${{ matrix.os_name }}",
              "arch": "${{ matrix.arch }}",
              "artifact": "js-benchmarks-results-${{ matrix.os_name }}-${{ matrix.arch }}",
              "artifact_run_id": "${{ github.run_id }}"
          }' > request.json
          curl \
              --fail \
              --silent \
              --show-error \
              --header 'Content-Type: application/json' \
              --header "X-Hub-Signature-256: sha256=$(openssl dgst -sha256 -hmac '${{ secrets.JS_BENCHMARKS_WEBHOOK_SECRET }}' request.json | cut -d' ' -f2)" \
              --data-binary '@request.json' \
              '${{ secrets.JS_BENCHMARKS_WEBHOOK_URL }}'