parallel_test.yml

# Run tests in parallel to check for bugs that only show up on multiple processes
name: Run tests in parallel

on: [push, pull_request, workflow_dispatch]

permissions:
  actions: write
  contents: read

jobs:
  test-ubuntu:
    runs-on: ubuntu-latest
    timeout-minutes: 120

    steps:
      - uses: actions/checkout@v4
      - uses: mpi4py/setup-mpi@v1
        with:
          mpi: 'openmpi'
      - uses: julia-actions/setup-julia@latest
        with:
          version: '1.10'
          arch: x64
      - uses: julia-actions/cache@v1
      - run: |
          touch Project.toml
          julia --project -O3 --check-bounds=no -e 'import Pkg; Pkg.add(["MPI", "MPIPreferences"]); using MPIPreferences; MPIPreferences.use_system_binary()'
          julia --project -O3 --check-bounds=no -e 'import Pkg; Pkg.add(["NCDatasets", "Random", "SpecialFunctions", "Test"]); Pkg.develop(path="moment_kinetics/")'
          julia --project -O3 --check-bounds=no -e 'import Pkg; Pkg.precompile()'
          # Need to use openmpi so that the following arguments work:
          # * `--mca rmaps_base_oversubscribe 1` allows oversubscription (more processes
          #   than physical cores).
          # * `--mca mpi_yield_when_idle 1` changes a setting to prevent excessively
          #   terrible performance when oversubscribing.
          mpiexec -np 3 --mca rmaps_base_oversubscribe 1 julia --project -O3 --check-bounds=no moment_kinetics/test/runtests.jl --debug 1 --force-optional-dependencies
          mpiexec -np 4 --mca rmaps_base_oversubscribe 1 julia --project -O3 --check-bounds=no moment_kinetics/test/runtests.jl --debug 1 --force-optional-dependencies
          mpiexec -np 2 --mca rmaps_base_oversubscribe 1 julia --project -O3 --check-bounds=no moment_kinetics/test/runtests.jl --debug 1 --long --force-optional-dependencies
          # Note: MPI.jl's default implementation is mpich, which has a similar option
          # `--with-device=ch3:sock`, but that needs to be set when compiling mpich.
        shell: bash

  # macOS is slow at the moment, so only run one set of parallel tests
  test-macOS:
    runs-on: macOS-latest
    timeout-minutes: 120

    steps:
      - uses: actions/checkout@v4
      - uses: mpi4py/setup-mpi@v1
        with:
          mpi: 'openmpi'
      - uses: julia-actions/setup-julia@latest
        with:
          version: '1.10'
      - uses: julia-actions/cache@v1
      - run: |
          export MPILIBPATH=$(find /opt/homebrew/Cellar/open-mpi/ -name libmpi.dylib)
          touch Project.toml
          julia --project -O3 --check-bounds=no -e "import Pkg; Pkg.add([\"MPI\", \"MPIPreferences\"]); using MPIPreferences; MPIPreferences.use_system_binary(library_names=\"$MPILIBPATH\")"
          julia --project -O3 --check-bounds=no -e 'import Pkg; Pkg.add(["NCDatasets", "Random", "SpecialFunctions", "Test"]); Pkg.develop(path="moment_kinetics/")'
          julia --project -O3 --check-bounds=no -e 'import Pkg; Pkg.precompile()'
          # Need to use openmpi so that the following arguments work:
          # * `--mca rmaps_base_oversubscribe 1` allows oversubscription (more processes
          #   than physical cores).
          # * `--mca mpi_yield_when_idle 1` changes a setting to prevent excessively
          #   terrible performance when oversubscribing.
          mpiexec -np 4 --mca rmaps_base_oversubscribe 1 julia --project -O3 --check-bounds=no moment_kinetics/test/runtests.jl --debug 1 --force-optional-dependencies
          # Note: MPI.jl's default implementation is mpich, which has a similar option
          # `--with-device=ch3:sock`, but that needs to be set when compiling mpich.
        shell: bash