pr.yml

# This is the main workflow that runs on every PR and push to main
name: pr

defaults:
  run:
    shell: bash

on:
  push:
    branches:
      - main
      - "pull-request/[0-9]+"

# Only runs one instance of this workflow at a time for a given PR and cancels any in-progress runs when a new one starts.
concurrency:
  group: ${{ github.workflow }}-on-${{ github.event_name }}-from-${{ github.ref_name }}
  cancel-in-progress: true

jobs:
  compute-matrix:
    uses: ./.github/workflows/compute-matrix.yml
    with:
      matrix_file: "./ci/matrix.yaml"
      matrix_type: "pull-request"

  thrust:
    name: Thrust CUDA${{ matrix.cuda_version }} ${{ matrix.compiler }}
    needs: compute-matrix
    uses: ./.github/workflows/dispatch-build-and-test.yml
    strategy:
      fail-fast: false
      matrix:
        cuda_version: ${{ fromJSON(needs.compute-matrix.outputs.CUDA_VERSIONS) }}
        compiler: ${{ fromJSON(needs.compute-matrix.outputs.COMPILERS) }}
    with:
      per_cuda_compiler_matrix: ${{ toJSON(fromJSON(needs.compute-matrix.outputs.PER_CUDA_COMPILER_MATRIX)[ format('{0}-{1}', matrix.cuda_version, matrix.compiler) ]) }}
      build_script: "./ci/build_thrust.sh"
      test_script: "./ci/test_thrust.sh"

  cub:
    name: CUB CUDA${{ matrix.cuda_version }} ${{ matrix.compiler }}
    needs: compute-matrix
    uses: ./.github/workflows/dispatch-build-and-test.yml
    strategy:
      fail-fast: false
      matrix:
        cuda_version: ${{ fromJSON(needs.compute-matrix.outputs.CUDA_VERSIONS) }}
        compiler: ${{ fromJSON(needs.compute-matrix.outputs.COMPILERS) }}
    with:
      per_cuda_compiler_matrix: ${{ toJSON(fromJSON(needs.compute-matrix.outputs.PER_CUDA_COMPILER_MATRIX)[ format('{0}-{1}', matrix.cuda_version, matrix.compiler) ]) }}
      build_script: "./ci/build_cub.sh"
      test_script: "./ci/test_cub.sh"

  libcudacxx:
    name: libcudacxx CUDA${{ matrix.cuda_version }} ${{ matrix.compiler }}
    needs: compute-matrix
    uses: ./.github/workflows/dispatch-build-and-test.yml
    strategy:
      fail-fast: false
      matrix:
        cuda_version: ${{ fromJSON(needs.compute-matrix.outputs.CUDA_VERSIONS) }}
        compiler: ${{ fromJSON(needs.compute-matrix.outputs.COMPILERS) }}
    with:
      per_cuda_compiler_matrix: ${{ toJSON(fromJSON(needs.compute-matrix.outputs.PER_CUDA_COMPILER_MATRIX)[ format('{0}-{1}', matrix.cuda_version, matrix.compiler) ]) }}
      build_script: "./ci/build_libcudacxx.sh"
      test_script: "./ci/test_libcudacxx.sh"

  nvrtc:
    name: libcudacxx nvrtc
    needs: compute-matrix
    uses: ./.github/workflows/dispatch-build-and-test.yml
    strategy:
      fail-fast: false
      matrix:
        cuda_version: ${{ fromJSON(needs.compute-matrix.outputs.CUDA_VERSIONS) }}
        compiler: ${{ fromJSON(needs.compute-matrix.outputs.COMPILERS) }}
        exclude:
          - cuda_version: "11.1"
          - cuda_version: "12.1"
          - compiler: clang
          - compiler: gcc
        include:
          - cuda_version: "12.1"
          - compiler: gcc-12
    with:
      per_cuda_compiler_matrix: ${{ toJSON(fromJSON(needs.compute-matrix.outputs.PER_CUDA_COMPILER_MATRIX)[ format('{0}-{1}', matrix.cuda_version, matrix.compiler) ]) }}
      build_script: "./ci/build_libcudacxx_nvrtc.sh"
      test_script: "./ci/test_libcudacxx_nvrtc.sh"

  # This job is the final job that runs after all other jobs and is used for branch protection status checks.
  # See: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/collaborating-on-repositories-with-code-quality-features/about-status-checks
  ci:
    runs-on: ubuntu-latest
    name: CI
    needs:
      - cub
      - libcudacxx
      - nvrtc
      - thrust
    steps:
      - run: echo "CI success"