cmake-cuda.yml

name: CMake test matrix with CUDA
on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]
jobs:
  build:
    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
    runs-on: ubuntu-22.04
    container: nvidia/cuda:12.3.0-devel-ubuntu22.04

    strategy:
      matrix:
        mempool: [on, off]

    steps:
    - uses: actions/checkout@v4
      with:
        path: omega_h

    - uses: actions/checkout@v4
      with:
        repository: kokkos/kokkos
        path: kokkos

    - name: Install CMake and ZLib
      run: apt update && apt install -y cmake zlib1g-dev

    - name: Configure Kokkos
      shell: bash
      working-directory: ${{github.workspace}}/kokkos
      run: cmake .
           -Bbuild
           -DKokkos_ENABLE_CUDA=on
           -DKokkos_ARCH_TURING75=on
           -DCMAKE_INSTALL_PREFIX=build/install

    - name: Build Kokkos
      shell: bash
      run: cmake --build $GITHUB_WORKSPACE/kokkos/build --target install

    - name: Configure CMake
      shell: bash
      working-directory: ${{github.workspace}}/omega_h
      run: cmake .
           -Bbuild
           -DCMAKE_VERBOSE_MAKEFILE=on
           -DOmega_h_USE_MPI=off
           -DOmega_h_USE_CUDA=on
           -DOmega_h_CUDA_ARCH=75
           -DOmega_h_USE_Kokkos=on
           -DKokkos_PREFIX=$GITHUB_WORKSPACE/kokkos/build/install
           -DBUILD_TESTING=on
           -DBUILD_SHARED_LIBS=off
           -DENABLE_CTEST_MEMPOOL=${{ matrix.mempool }}

    - name: Build
      working-directory: ${{github.workspace}}/omega_h/build
      shell: bash
      run: cmake --build . -j2