garb 0.2.7

Dress your pixels for the occasion — SIMD-optimized pixel format conversions
Documentation 
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name: Benchmarks

on:
  push:
    branches: [main]
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always

jobs:
  bench:
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            name: Linux x86_64
          - os: ubuntu-24.04-arm
            name: Linux aarch64
          - os: macos-latest
            name: macOS aarch64
          - os: macos-26-intel
            name: macOS x86_64
          - os: windows-latest
            name: Windows x86_64
          - os: windows-11-arm
            name: Windows aarch64
    name: bench (${{ matrix.name }})
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v6
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - name: Run benchmarks
        run: cargo bench --bench swizzle -- --noplot 2>&1 | tee bench-output.txt
      - uses: actions/upload-artifact@v4
        if: always()
        with:
          name: bench-${{ matrix.name }}
          path: |

            bench-output.txt
            target/criterion/

  bench-wasm:
    name: bench (WASM SIMD128)
    runs-on: ubuntu-latest
    env:
      CARGO_TARGET_WASM32_WASIP1_RUNNER: "wasmtime run --dir . --"
    steps:
      - uses: actions/checkout@v6
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: wasm32-wasip1
      - name: Install wasmtime
        run: |

          curl https://wasmtime.dev/install.sh -sSf | bash
          echo "$HOME/.wasmtime/bin" >> $GITHUB_PATH
      - uses: Swatinem/rust-cache@v2
        with:
          key: wasm-simd128
      - name: Run benchmarks (WASM SIMD128)
        env:
          RUSTFLAGS: "-C target-feature=+simd128"
        run: cargo bench --bench swizzle --target wasm32-wasip1 -- --noplot 2>&1 | tee bench-output.txt
      - uses: actions/upload-artifact@v4
        if: always()
        with:
          name: bench-WASM SIMD128
          path: bench-output.txt

  # Diagnostic: test whether target-cpu=native helps aarch64 by allowing
  # #[target_feature(enable = "neon")] functions to inline (features already
  # globally enabled, so the attribute boundary becomes a no-op).
  bench-native-cpu:
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-24.04-arm
            name: Linux aarch64 native
          - os: macos-latest
            name: macOS aarch64 native
          - os: windows-11-arm
            name: Windows aarch64 native
    name: bench (${{ matrix.name }})
    runs-on: ${{ matrix.os }}
    env:
      RUSTFLAGS: "-C target-cpu=native"
    steps:
      - uses: actions/checkout@v6
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
        with:
          key: native-cpu
      - name: Run benchmarks (target-cpu=native)
        run: cargo bench --bench swizzle -- --noplot 2>&1 | tee bench-output.txt
      - uses: actions/upload-artifact@v4
        if: always()
        with:
          name: bench-${{ matrix.name }}
          path: bench-output.txt

  # Diagnostic: test with cross-compiled aarch64 under QEMU on x86_64
  bench-qemu-aarch64:
    name: bench (QEMU aarch64)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: aarch64-unknown-linux-gnu
      - name: Install cross-compilation tools
        run: |

          sudo apt-get update -qq
          sudo apt-get install -y -qq qemu-user-static gcc-aarch64-linux-gnu
      - uses: Swatinem/rust-cache@v2
        with:
          key: qemu-aarch64
      - name: Run benchmarks under QEMU
        env:
          CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUNNER: qemu-aarch64-static -L /usr/aarch64-linux-gnu
          CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: aarch64-linux-gnu-gcc
        run: |

          cargo bench --bench swizzle --target aarch64-unknown-linux-gnu -- --noplot 2>&1 | tee bench-output.txt
      - uses: actions/upload-artifact@v4
        if: always()
        with:
          name: bench-QEMU aarch64
          path: bench-output.txt