name: Allocator Bench
on:
  workflow_dispatch:
concurrency:
  group: ${{ github.workflow }}
  cancel-in-progress: false
permissions:
  contents: read
jobs:
  bench:
    name: ${{ matrix.platform }} (tokio-multi-thread=${{ matrix.tokio_multi_thread }}, ${{ matrix.allocator }})
    runs-on: ${{ matrix.runner }}
    strategy:
      fail-fast: false
      matrix:
        allocator:
          - system
          - jemalloc
          - mimalloc_v2
          - mimalloc_v2_no_thp
          - mimalloc_v3
          - mimalloc_v3_no_thp
        tokio_multi_thread: [true, false]
        platform:
          - ubuntu-24.04-arm
          - ubuntu-24.04
          - windows-2025
          - windows-11-arm
          - macos-26
          - macos-26-intel
          - alpine
          - alpine-arm
        include:
          - platform: ubuntu-24.04-arm
            runner: ubuntu-24.04-arm
            alpine: false
          - platform: ubuntu-24.04
            runner: ubuntu-24.04
            alpine: false
          - platform: windows-2025
            runner: windows-2025
            alpine: false
          - platform: windows-11-arm
            runner: windows-11-arm
            alpine: false
          - platform: macos-26
            runner: macos-26
            alpine: false
          - platform: macos-26-intel
            runner: macos-26-intel
            alpine: false
          - platform: alpine
            runner: ubuntu-24.04
            alpine: true
          - platform: alpine-arm
            runner: ubuntu-24.04-arm
            alpine: true
        exclude:
          - platform: windows-2025
            allocator: jemalloc
          - platform: windows-11-arm
            allocator: jemalloc
          - platform: windows-2025
            allocator: mimalloc_v2_no_thp
          - platform: windows-2025
            allocator: mimalloc_v3_no_thp
          - platform: windows-11-arm
            allocator: mimalloc_v2_no_thp
          - platform: windows-11-arm
            allocator: mimalloc_v3_no_thp
          - platform: macos-26
            allocator: mimalloc_v2_no_thp
          - platform: macos-26
            allocator: mimalloc_v3_no_thp
          - platform: macos-26-intel
            allocator: mimalloc_v2_no_thp
          - platform: macos-26-intel
            allocator: mimalloc_v3_no_thp
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
        with:
          persist-credentials: false
      - if: ${{ !matrix.alpine }}
        uses: actions-rust-lang/setup-rust-toolchain@166cdcfd11aee3cb47222f9ddb555ce30ddb9659 # v1
        with:
          toolchain: beta
          cache: true
          cache-key: allocator-bench-${{ matrix.runner }}-${{ matrix.allocator }}
      - if: ${{ !matrix.alpine && runner.os != 'Windows' }}
        shell: bash
        env:
          ALLOCATOR: ${{ matrix.allocator }}
          TOKIO_MULTI_THREAD: ${{ matrix.tokio_multi_thread }}
          PLATFORM_LABEL: ${{ matrix.platform }}
        run: bash .github/scripts/allocator_bench_unix.sh
      - if: ${{ !matrix.alpine && runner.os == 'Windows' }}
        shell: pwsh
        env:
          ALLOCATOR: ${{ matrix.allocator }}
          TOKIO_MULTI_THREAD: ${{ matrix.tokio_multi_thread }}
          PLATFORM_LABEL: ${{ matrix.platform }}
        run: ./.github/scripts/allocator_bench_windows.ps1
      - if: ${{ matrix.alpine }}
        shell: bash
        env:
          ALLOCATOR: ${{ matrix.allocator }}
          TOKIO_MULTI_THREAD: ${{ matrix.tokio_multi_thread }}
          PLATFORM_LABEL: ${{ matrix.platform }}
        run: bash .github/scripts/allocator_bench_alpine.sh