mscclpp-lang.yml

name: MSCCLPPLang

on:
  pull_request:
    branches:
      - main
      - release/*

jobs:
  compare-diffs:
    runs-on: 'ubuntu-latest'
    container:
      image: ghcr.io/microsoft/mscclpp/mscclpp:base-dev-${{ matrix.version }}

    strategy:
        fail-fast: false
        matrix:
          version: [ 'cuda11.8', 'cuda12.2' ]

    steps:
    - uses: actions/checkout@v4
    - name: Install mscclpp
      run: |
        CMAKE_ARGS="-DMSCCLPP_BYPASS_GPU_CHECK=ON -DMSCCLPP_USE_CUDA=ON" pip3 install .

    - name: Copy test script/config to temp directory
      run: |
        cp python/test/generate_mscclpp_lang_test_result.py $RUNNER_TEMP/
        cp python/test/configs/mscclpp_lang_test_config.json $RUNNER_TEMP/
    - name: generate outputs
      run: |
        python3 $RUNNER_TEMP/generate_mscclpp_lang_test_result.py python/examples/ $RUNNER_TEMP/mscclpp_lang_test_config.json $RUNNER_TEMP/tests/pr-outputs/
    - name: Checkout main branch
      uses: actions/checkout@v4
      if: github.event_name == 'pull_request' || github.event_name == 'push'
      with:
        ref: main
    - name: Install msccl and dependencies
      run: |
        CMAKE_ARGS="-DMSCCLPP_BYPASS_GPU_CHECK=ON -DMSCCLPP_USE_CUDA=ON" pip3 install .
    - name: generate outputs
      run: |
        python $RUNNER_TEMP/generate_mscclpp_lang_test_result.py python/examples/ $RUNNER_TEMP/mscclpp_lang_test_config.json $RUNNER_TEMP/tests/main-outputs/
    - name: Compare outputs
      run: |
        diff -rw $RUNNER_TEMP/tests/main-outputs/ $RUNNER_TEMP/tests/pr-outputs/