linux.yml

name: Linux x86 build
on: [push, pull_request]
concurrency:
  group: ${{ github.workflow }}-${{ github.job }}-${{ github.ref }}
  cancel-in-progress: true
defaults:
  run:
    shell: bash -l {0}

jobs:
  build:
    runs-on: ubuntu-latest
    name: '${{ matrix.sys.compiler }} ${{ matrix.sys.version }} - ${{ matrix.sys.arch }} ${{ join(matrix.sys.flags, '' '') }}'
    strategy:
      matrix:
        sys:
          - { compiler: 'gcc',   version: '13', arch: 'native',              flags: ['xtl-complex'] }
          - { compiler: 'gcc',   version: '14', arch: 'avx',                 flags: [] }
          - { compiler: 'gcc',   version: '14', arch: 'avx2',                flags: [] }
          - { compiler: 'gcc',   version: '13', arch: 'avx512bw',            flags: [] }
          - { compiler: 'gcc',   version: '10', arch: 'avx512bw',            flags: [] }
          - { compiler: 'gcc',   version: '12', arch: 'native',              flags: ['32bits'] }
          - { compiler: 'gcc',   version: '13', arch: 'avx512pf',            flags: [] }
          - { compiler: 'gcc',   version: '13', arch: 'avx512vbmi',          flags: [] }
          - { compiler: 'gcc',   version: '14', arch: 'avx512vbmi2',         flags: [] }
          - { compiler: 'gcc',   version: '13', arch: 'avx512vnni_avx512bw', flags: [] }
          - { compiler: 'clang', version: '16', arch: 'native',              flags: ['xtl-complex'] }
          - { compiler: 'clang', version: '17', arch: 'avx',                 flags: [] }
          - { compiler: 'clang', version: '17', arch: 'sse3',                flags: [] }
          - { compiler: 'clang', version: '18', arch: 'avx512bw',            flags: [] }
          - { compiler: 'clang', version: '18', arch: 'avx_128',             flags: [] }
          - { compiler: 'clang', version: '18', arch: 'avx2_128',            flags: [] }
          - { compiler: 'clang', version: '18', arch: 'avx512vl_128',        flags: [] }
          - { compiler: 'clang', version: '18', arch: 'avx512vl_256',        flags: [] }
    steps:
    - name: Checkout xsimd
      uses: actions/checkout@v6
    - name: Setup compiler
      uses: ./.github/actions/setup-compiler-apt
      with:
        compiler: ${{ matrix.sys.compiler }}
        version: ${{ matrix.sys.version }}
        i386: ${{ contains(matrix.sys.flags, '32bits') }}
    - name: Install mamba
      uses: mamba-org/setup-micromamba@v2
      with:
        environment-file: environment.yml
    - name: Setup SDE
      if: startswith(matrix.sys.arch, 'avx512')
      run: sh install_sde.sh
    - name: Configure build
      env:
        CC: ${{ env.CC }}
        CXX: ${{ env.CXX }}
      run: |
        CMAKE_ARGS=()
        if [[ '${{ contains(matrix.sys.flags, 'xtl-complex') }}' == 'true' ]]; then
          CMAKE_ARGS+=(-D ENABLE_XTL_COMPLEX=ON)
        fi
        if [[ '${{ contains(matrix.sys.flags, '32bits') }}' == 'true' ]]; then
          CMAKE_ARGS+=(-D CMAKE_CXX_FLAGS=-m32)
        fi

        cmake -B build/ -G Ninja \
          -D CMAKE_C_COMPILER="$CC" \
          -D CMAKE_CXX_COMPILER="$CXX" \
          -D CMAKE_BUILD_TYPE=Release \
          -D BUILD_TESTS=ON \
          -D BUILD_EXAMPLES=ON \
          -D BUILD_ARCHITECTURE_TESTS=OFF \
          -D XSIMD_ENABLE_WERROR=ON \
          -D XSIMD_HARDEN_TRIVIAL_AUTO_VAR_INIT=ON \
          -D TARGET_ARCH="${{ matrix.sys.arch }}" \
          "${CMAKE_ARGS[@]}"
    - name: Build
      run: cmake --build build/
    - name: Test
      run: |
        # Set CPU feature test expectations, 0 is explicit absence of the feature
        export XSIMD_TEST_CPU_ASSUME_NEON64="0"
        export XSIMD_TEST_CPU_ASSUME_RVV="0"
        export XSIMD_TEST_CPU_ASSUME_VSX="0"
        export XSIMD_TEST_CPU_ASSUME_VXE="0"
        cd build/test
        if echo '${{ matrix.sys.arch }}' | grep -q 'avx512' ; then
          # Running with emulation, must have AVX512, lower tier are checked by implications in tests
          export XSIMD_TEST_CPU_ASSUME_AVX512F="1"
          ../../sde-external-9.48.0-2024-11-25-lin/sde64 -tgl -- ./test_xsimd
        else
          export XSIMD_TEST_CPU_ASSUME_SSE4_2=$(grep -q 'sse4_2' /proc/cpuinfo && echo "1" || echo "0")
          export XSIMD_TEST_CPU_ASSUME_AVX=$(grep -q 'avx' /proc/cpuinfo && echo "1" || echo "0")
          export XSIMD_TEST_CPU_ASSUME_AVX512F=$(grep -q 'avx512f' /proc/cpuinfo && echo "1" || echo "0")
          export XSIMD_TEST_CPU_ASSUME_MANUFACTURER="intel,amd"
          ./test_xsimd
        fi

  build-extra:
    runs-on: ubuntu-latest
    name: 'clang 18 - architectures and benchmark'
    steps:
    - name: Checkout xsimd
      uses: actions/checkout@v6
    - name: Setup compiler
      uses: ./.github/actions/setup-compiler-apt
      with:
        compiler: clang
        version: 18
    - name: Install mamba
      uses: mamba-org/setup-micromamba@v2
      with:
        environment-file: environment.yml
    - name: Configure build
      run: |
        cmake -B build/ -G Ninja \
              -D CMAKE_BUILD_TYPE=Release \
              -D CMAKE_C_COMPILER="$CC" \
              -D CMAKE_CXX_COMPILER="$CXX" \
              -D BUILD_TESTS=ON \
              -D BUILD_ARCHITECTURE_TESTS=ON \
              -D BUILD_BENCHMARK=ON \
              -D XSIMD_ENABLE_WERROR=ON \
              -D XSIMD_HARDEN_TRIVIAL_AUTO_VAR_INIT=ON \
    - name: Build
      run: cmake --build build/