name: Nightly CEA builds

on:
  schedule:
    - cron: "0 0 * * 1-5" # every weekday at midnight UTC

permissions: read-all

jobs:
  build_and_test:
    # only run on original repo
    if: github.repository == 'kokkos/kokkos'

    strategy:
      # allow all matrix jobs to perform even if errors occur
      fail-fast: false
      matrix:
        build_type:
          - Release
        cxx_standard:
          - 20
        backend:
          - name: OpenMP-x86_64-GCC/15.1.0-Shared
            configure: -DKokkos_ENABLE_OPENMP=ON -DBUILD_SHARED_LIBS=ON
            test: -e cpu OMP_PROC_BIND=spread OMP_PLACES=threads
            modules: gcc/15.1.0/gcc-15.1.0 cmake/3.31.9/gcc-15.1.0 python/3.14.0/gcc-15.1.0

          - name: CUDA-A100-GCC/13.4.0-CUDA/12.8.1-Static-CUDA_CONSTEXPR-CUDA_RELOCATABLE_DEVICE_CODE
            configure: -DKokkos_ENABLE_CUDA=ON -DKokkos_ARCH_AMPERE80=ON -DKokkos_ENABLE_CUDA_CONSTEXPR=ON -DKokkos_ENABLE_CUDA_RELOCATABLE_DEVICE_CODE=ON
            test: -e gpu -g a100
            modules: gcc/13.4.0/gcc-15.1.0 cuda/12.8.1/none-none cmake/3.31.9/gcc-15.1.0 python/3.14.0/gcc-15.1.0

          - name: CUDA-V100-GCC/13.4.0-CUDA/12.8.1-Static-CUDA_CONSTEXPR-CUDA_RELOCATABLE_DEVICE_CODE
            configure: -DKokkos_ENABLE_CUDA=ON -DKokkos_ARCH_VOLTA70=ON -DKokkos_ENABLE_CUDA_CONSTEXPR=ON -DKokkos_ENABLE_CUDA_RELOCATABLE_DEVICE_CODE=ON
            test: -e gpu -g v100
            modules: gcc/13.4.0/gcc-15.1.0 cuda/12.8.1/none-none cmake/3.31.9/gcc-15.1.0 python/3.14.0/gcc-15.1.0

          - name: CUDA-A100-GCC/15.1.0-CUDA/13.0.2-Static-CUDA_CONSTEXPR-CUDA_RELOCATABLE_DEVICE_CODE
            configure: -DKokkos_ENABLE_CUDA=ON -DKokkos_ARCH_AMPERE80=ON -DKokkos_ENABLE_CUDA_CONSTEXPR=ON -DKokkos_ENABLE_CUDA_RELOCATABLE_DEVICE_CODE=ON
            test: -e gpu -g a100
            modules: gcc/15.1.0/gcc-15.1.0 cuda/13.0.2/none-none cmake/3.31.9/gcc-15.1.0 python/3.14.0/gcc-15.1.0

    runs-on: [self-hosted, cuda]

    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - name: Initialize the build tree
        # note: BUILDNAME sets the name of the build on the Dashboard
        # note: SITE sets the name of the site on the Dashboard
        # note: run is a Ruche command
        run: |
          run \
            -m "${{ matrix.backend.modules }}" \
            -e local \
            cmake \
              -B build \
              -DBUILDNAME=${{ matrix.backend.name }}-C++${{ matrix.cxx_standard }}-${{ matrix.build_type }} \
              -DSITE=cea-ruche \
              -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
              -DCMAKE_CXX_STANDARD=${{ matrix.cxx_standard }} \
              -DCMAKE_COMPILE_WARNING_AS_ERROR=ON \
              -DKokkos_ENABLE_COMPILER_WARNINGS=ON \
              -DKokkos_ENABLE_TESTS=ON \
              -DKokkos_ENABLE_EXAMPLES=ON \
              -DKokkos_ENABLE_BENCHMARKS=ON \
              ${{ matrix.backend.configure }}

      - name: Start, update and configure
        id: start_update_configure
        continue-on-error: true
        run: |
          run \
            -m "${{ matrix.backend.modules }}" \
            -e local \
            ctest \
              -V \
              --test-dir build \
              -D NightlyStart \
              -D NightlyUpdate \
              -D NightlyConfigure

      - name: Build
        id: build
        continue-on-error: true
        run: |
          run \
            -m "${{ matrix.backend.modules }}" \
            -e cpu \
            CMAKE_BUILD_PARALLEL_LEVEL=40 \
            ctest \
              -V \
              --test-dir build \
              -D NightlyBuild

      - name: Test
        id: test
        continue-on-error: true
        run: |
          run \
            -m "${{ matrix.backend.modules }}" \
            ${{ matrix.backend.test }} \
            ctest \
              --output-on-failure \
              --test-dir build \
              -D NightlyTest

      - name: Submit
        run: |
          run \
            -m "${{ matrix.backend.modules }}" \
            -e local \
            ctest \
              --test-dir build \
              -D NightlySubmit

      # note: this marks the job as failed if any of the mentionned steps (that
      # have `continue-on-error`) has failed
      - name: Failure outcome
        if: |-
          ${{
            steps.start_update_configure.outcome == 'failure' ||
            steps.build.outcome == 'failure' ||
            steps.test.outcome == 'failure'
          }}
        run: exit 1