CI-CXX.yml

name: CI-CXX

on:
  push:
  pull_request:
    branches: [ "master" ]

jobs:
  GCC-build:
    runs-on: ${{ matrix.image }}

    strategy:
      matrix:
        image: [ 'ubuntu-24.04' ]
        GCC: [ '12' ]
        BUILD_TYPE: [ 'Release' ]
        WITH_MPI: [ 'ON', 'OFF' ]

    steps:
    - uses: actions/checkout@v4
    - uses: lukka/get-cmake@latest
      with:
        cmakeVersion: "~3.25.0"

    - name: Install GCC
      run: sudo apt update && sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test && sudo apt install g++-${{ matrix.GCC }} gfortran-${{ matrix.GCC }} gcc-${{ matrix.GCC }} libopenmpi-dev

    - name: Configure CMake
      run: cmake -G"Ninja" -Sexamples/CXX -Bbuild -DCMAKE_BUILD_TYPE=${{ matrix.BUILD_TYPE }} -DCMAKE_C_COMPILER=gcc-${{ matrix.GCC }} -DCMAKE_CXX_COMPILER=g++-${{ matrix.GCC }} -DCMAKE_Fortran_COMPILER=gfortran-${{ matrix.GCC }} -DWITH_MPI=${{ matrix.WITH_MPI }} -DUSE_LOCAL=ON

    - name: Build
      run: ninja -C build

    - name: Tests without MPI
      if: matrix.WITH_MPI == 'OFF'
      run: |
        build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=static        build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=local_static  build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=dynamic       build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=guided        build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=work_stealing build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=dinamic       build/SLB4MPI_cxx_example

    - name: Tests with MPI
      if: matrix.WITH_MPI == 'ON'
      run: |
        mpirun --version
        mpirun -n 2 --oversubscribe build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=static        mpirun -n 2 --oversubscribe build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=local_static  mpirun -n 2 --oversubscribe build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=dynamic       mpirun -n 2 --oversubscribe build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=guided        mpirun -n 2 --oversubscribe build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=work_stealing mpirun -n 2 --oversubscribe build/SLB4MPI_cxx_example
        SLB4MPI_LOAD_BALANCER=dinamic       mpirun -n 2 --oversubscribe build/SLB4MPI_cxx_example