intel.yml

name: 🐧 Intel

on:
  push:
    branches:
      - "development"
  pull_request:
    paths-ignore:
      - "Docs/**"
      - "**.rst"

concurrency:
  group: ${{ github.ref }}-${{ github.head_ref }}-intel
  cancel-in-progress: true

jobs:
  build_icpx:
    name: oneAPI ICX SP
    runs-on: ubuntu-24.04
    # Since 2021.4.0, AMReX_GpuUtility.H: error: comparison with NaN always evaluates to false in fast floating point modes
    # oneAPI 2022.2.0 hangs for -O2 and higher:
    #   https://github.com/ECP-WarpX/WarpX/issues/3442
    env:
      CXXFLAGS: "-Werror -Wno-error=pass-failed -Wno-tautological-constant-compare"
    # For oneAPI, Ninja is slower than the default:
    #  CMAKE_GENERATOR: Ninja
    if: github.event.pull_request.draft == false
    steps:
    - uses: actions/checkout@v4
    - name: install dependencies
      shell: bash
      run: |
        .github/workflows/dependencies/dpcpp.sh
    - name: CCache Cache
      uses: actions/cache@v4
      with:
        path: ~/.cache/ccache
        key: ccache-${{ github.workflow }}-${{ github.job }}-git-${{ github.sha }}
        restore-keys: |
             ccache-${{ github.workflow }}-${{ github.job }}-git-
    - name: build WarpX
      shell: bash
      run: |
        export CCACHE_COMPRESS=1
        export CCACHE_COMPRESSLEVEL=10
        export CCACHE_MAXSIZE=100M
        export CCACHE_DEPEND=1
        ccache -z

        set +e
        source /opt/intel/oneapi/setvars.sh
        set -e
        export PATH=$PATH:/opt/intel/oneapi/compiler/2024.2/bin  # FIXME
        export CXX=$(which icpx)
        export CC=$(which icx)

        python3 -m pip install --upgrade pip
        python3 -m pip install --upgrade build packaging setuptools[core] wheel

        cmake -S . -B build_sp         \
          -DCMAKE_CXX_FLAGS_RELEASE="-O1 -DNDEBUG" \
          -DCMAKE_VERBOSE_MAKEFILE=ON  \
          -DWarpX_EB=OFF               \
          -DWarpX_PYTHON=ON            \
          -DWarpX_MPI=OFF              \
          -DWarpX_OPENPMD=ON           \
          -DWarpX_PRECISION=SINGLE
        cmake --build build_sp -j 4
        cmake --build build_sp --target pip_install

        ccache -s
        du -hs ~/.cache/ccache

    - name: run pywarpx
      run: |
        set +e
        source /opt/intel/oneapi/setvars.sh
        set -e
        export OMP_NUM_THREADS=2
        Examples/Physics_applications/laser_acceleration/inputs_test_3d_laser_acceleration_picmi.py

  build_dpcc:
    name: oneAPI DPC++ SP
    runs-on: ubuntu-24.04
    # Since 2021.4.0, AMReX_GpuUtility.H: error: comparison with NaN always evaluates to false in fast floating point modes
    # oneAPI 2022.2.0 hangs for -O2 and higher:
    #   https://github.com/ECP-WarpX/WarpX/issues/3442
    env:
      CXXFLAGS: "-Werror -Wno-tautological-constant-compare"
    # For oneAPI, Ninja is slower than the default:
    #  CMAKE_GENERATOR: Ninja
    if: github.event.pull_request.draft == false
    steps:
    - uses: actions/checkout@v4
    - name: install dependencies
      shell: bash
      run: |
        .github/workflows/dependencies/dpcpp.sh
    - name: CCache Cache
      uses: actions/cache@v4
      with:
        path: ~/.cache/ccache
        key: ccache-${{ github.workflow }}-${{ github.job }}-git-${{ github.sha }}
        restore-keys: |
             ccache-${{ github.workflow }}-${{ github.job }}-git-
    - name: build WarpX
      shell: bash
      run: |
        export CCACHE_COMPRESS=1
        export CCACHE_COMPRESSLEVEL=10
        export CCACHE_MAXSIZE=100M
        export CCACHE_DEPEND=1
        ccache -z

        set +e
        source /opt/intel/oneapi/setvars.sh
        set -e
        export PATH=$PATH:/opt/intel/oneapi/compiler/2024.2/bin  # FIXME
        export CXX=$(which icpx)
        export CC=$(which icx)
        export CXXFLAGS="-fsycl ${CXXFLAGS}"

        cmake -S . -B build_sp         \
          -DCMAKE_CXX_FLAGS_RELEASE="-O1 -DNDEBUG" \
          -DBUILD_SHARED_LIBS=ON       \
          -DCMAKE_VERBOSE_MAKEFILE=ON  \
          -DWarpX_COMPUTE=SYCL         \
          -DWarpX_EB=ON                \
          -DWarpX_FFT=ON               \
          -DWarpX_PYTHON=ON            \
          -DWarpX_MPI=OFF              \
          -DWarpX_OPENPMD=ON           \
          -DWarpX_PRECISION=SINGLE
        cmake --build build_sp -j 4

        ccache -s
        du -hs ~/.cache/ccache

     # Skip this as it will copy the binary artifacts and we are tight on disk space
     #   python3 -m pip install --upgrade pip
     #   python3 -m pip install --upgrade build packaging setuptools[core] wheel
     #   PYWARPX_LIB_DIR=$PWD/build_sp/lib/site-packages/pywarpx/ python3 -m pip wheel .
     #   python3 -m pip install *.whl