numpy/.github/workflows/macos.yml

name: macOS tests

on:
  pull_request:
    branches:
      - main
      - maintenance/**
    paths-ignore:
      - '**.pyi'
      - '**.md'
      - '**.rst'
      - 'tools/stubtest/**'

permissions:
   contents: read  # to fetch code (actions/checkout)

env:
  CCACHE_DIR: "${{ github.workspace }}/.ccache"

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  aarch64_conda:
    name: macOS aarch64 conda
    # To enable this workflow on a fork, comment out:
    if: github.repository == 'numpy/numpy'
    runs-on: macos-26
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.12"]

    steps:
    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      with:
        submodules: recursive
        fetch-tags: true
        persist-credentials: false

    - name:  Prepare cache dirs and timestamps
      id:    prep-ccache
      shell: bash -l {0}
      run: |
        mkdir -p "${CCACHE_DIR}"
        echo "dir=$CCACHE_DIR" >> $GITHUB_OUTPUT
        NOW=$(date -u +"%F-%T")
        echo "timestamp=${NOW}" >> $GITHUB_OUTPUT
        echo "today=$(/bin/date -u '+%Y%m%d')" >> $GITHUB_OUTPUT

    - name: Setup compiler cache
      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
      id:    cache-ccache
      with:
        path: ${{ steps.prep-ccache.outputs.dir }}
        key:  ${{ github.workflow }}-${{ matrix.python-version }}-ccache-macos-${{ steps.prep-ccache.outputs.timestamp }}
        restore-keys: |
          ${{ github.workflow }}-${{ matrix.python-version }}-ccache-macos-

    - name: Setup Miniforge
      uses: conda-incubator/setup-miniconda@be893c923ea9cf1cf7cd510fbdde27c7e18cbdcb # v4.1.0
      with:
        python-version: ${{ matrix.python-version }}
        channels: conda-forge
        channel-priority: true
        activate-environment: numpy-dev
        use-only-tar-bz2: false
        miniforge-variant: Miniforge3
        miniforge-version: latest
        use-mamba: true

    # Updates if `environment.yml` or the date changes. The latter is needed to
    # ensure we re-solve once a day (since we don't lock versions). Could be
    # replaced by a conda-lock based approach in the future.
    - name: Cache conda environment
      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
      env:
        # Increase this value to reset cache if environment.yml has not changed
        CACHE_NUMBER: 1
      with:
        path: ${{ env.CONDA }}/envs/numpy-dev
        key:
          ${{ runner.os }}--${{ steps.prep-ccache.outputs.today }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('environment.yml') }}
      id: envcache

    - name: Update Conda Environment
      run: mamba env update -n numpy-dev -f environment.yml
      if: steps.envcache.outputs.cache-hit != 'true'

    - name: Build and Install NumPy
      shell: bash -l {0}
      run: |
        conda activate numpy-dev
        CC="ccache ${CC:-clang}" CXX="ccache ${CXX:-clang++}" spin build -j2 -- -Dallow-noblas=false

    - name: Run test suite (full)
      shell: bash -l {0}
      run: |
        conda activate numpy-dev
        export OMP_NUM_THREADS=2
        spin test -j2 -m full -- --durations=10

    - name: Ccache statistics
      shell: bash -l {0}
      run: |
        conda activate numpy-dev
        ccache -s


  accelerate:
    name: Accelerate - ${{ matrix.build_runner[1] }} - ${{ matrix.version }}
    # To enable this workflow on a fork, comment out:
    if: github.repository == 'numpy/numpy'
    runs-on: ${{ matrix.build_runner[0] }}
    strategy:
      fail-fast: false
      matrix:
        build_runner:
          - [ macos-15-intel, "macos_x86_64" ]
          - [ macos-15, "macos_arm64" ]
        version: ["3.12", "3.15t"]

    steps:
    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      with:
        submodules: recursive
        fetch-tags: true
        persist-credentials: false

    - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
      with:
        python-version: ${{ matrix.version }}

    - name: Install dependencies
      run: |
        pip install --group dev-cli --group test

    - name: Build against Accelerate (LP64)
      run: spin build -- -Ddisable-optimization=true -Dallow-noblas=false

    - name: Test (linalg only)
      run: spin test -j2 -- numpy/linalg --timeout=600 --durations=10

    - name: Build NumPy against Accelerate (ILP64)
      run: |
        rm -r build build-install
        spin build -- -Duse-ilp64=true -Ddisable-optimization=true -Dallow-noblas=false

    - name: Test (fast tests)
      if: ${{ matrix.version != '3.14t' || matrix.build_runner[0] != 'macos-15' }}
      run: spin test -j2 -- --timeout=600 --durations=10

    - name: Test in multiple threads
      if: ${{ matrix.version == '3.14t' && matrix.build_runner[0] == 'macos-15' }}
      run:  |
        pip install pytest-run-parallel==0.8.2
        spin test -p 4 -- -sv --timeout=600 --durations=10