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tests_lgpumpi_python.yml
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name: Testing::x86_64::LGPU-MPI::Python
on:
workflow_call:
inputs:
lightning-version:
type: string
required: true
description: The version of lightning to use. Valid values are either 'stable' (most recent git-tag) or 'latest' (most recent commit from master)
pennylane-version:
type: string
required: true
description: The version of PennyLane to use. Valid values are either 'stable' (most recent git-tag) or 'latest' (most recent commit from master)
release:
push:
branches:
- main
pull_request:
paths-ignore:
- .github/**
- '!.github/workflows/tests_lgpumpi_python.yml'
- pennylane_lightning/core/_version.py
- pennylane_lightning/core/src/simulators/lightning_kokkos/**
- pennylane_lightning/core/src/simulators/lightning_qubit/**
- pennylane_lightning/lightning_kokkos/**
- pennylane_lightning/lightning_qubit/**
env:
COVERAGE_FLAGS: "--cov=pennylane_lightning --cov-report=term-missing --cov-report=xml:./coverage.xml --no-flaky-report -p no:warnings --tb=native"
GCC_VERSION: 11
OMP_NUM_THREADS: "2"
CI_CUDA_ARCH: 86
concurrency:
group: tests_lgpumpi_python-${{ github.ref }}-${{ github.event_name }}-${{ inputs.lightning-version }}-${{ inputs.pennylane-version }}
cancel-in-progress: true
jobs:
python_tests:
if: ${{ contains(github.event.pull_request.labels.*.name, 'ci:use-multi-gpu-runner') || contains(fromJSON('["schedule", "workflow_dispatch"]'), github.event_name) }}
runs-on:
- self-hosted
- linux
- x64
- ubuntu-22.04
- multi-gpu
strategy:
max-parallel: 1
matrix:
mpilib: ["mpich", "openmpi"]
cuda_version_maj: ["12"]
cuda_version_min: ["2"]
timeout-minutes: 30
steps:
- name: Checkout pennyLane-lightning
uses: actions/checkout@v4
with:
fetch-tags: true
- name: Switch to release build of Lightning
if: inputs.lightning-version == 'release'
run: |
git fetch --all
git checkout $(git branch -a --list "origin/v*rc*" | tail -1)
- name: Switch to stable build of Lightning
if: inputs.lightning-version == 'stable'
run: |
git fetch --tags --force
git checkout latest_release
# Since the self-hosted runner can be re-used. It is best to set up all package
# installations in a virtual environment that gets cleaned at the end of each workflow run
- name: Setup Python virtual environment
id: setup_venv
env:
VENV_NAME: ${{ github.workspace }}/venv_${{ steps.setup_python.outputs.python-version }}_${{ github.sha }}
run: |
# Clear any pre-existing venvs
rm -rf venv_*
# Create new venv for this workflow_run
python --version
python -m venv ${{ env.VENV_NAME }}
# Add the venv to PATH for subsequent steps
echo ${{ env.VENV_NAME }}/bin >> $GITHUB_PATH
# Adding venv name as an output for subsequent steps to reference if needed
source ${{ env.VENV_NAME }}/bin/activate
echo "venv_name=${{ env.VENV_NAME }}" >> $GITHUB_OUTPUT
echo "Python_ROOT_DIR=${{ env.VENV_NAME }}" >> $GITHUB_ENV
echo "Python3_ROOT_DIR=${{ env.VENV_NAME }}" >> $GITHUB_ENV
- name: Display Python-Path
id: python_path
run: |
py_path=$(which python)
echo "Python Interpreter Path => $py_path"
echo "python=$py_path" >> $GITHUB_OUTPUT
pip_path=$(which python)
echo "PIP Path => $pip_path"
echo "pip=$pip_path" >> $GITHUB_OUTPUT
- name: Install required packages
run: |
source /etc/profile.d/modules.sh && module use /opt/modules/ && module load ${{ matrix.mpilib }}/cuda-${{ matrix.cuda_version_maj }}.${{ matrix.cuda_version_min }}
python -m pip install -r requirements-dev.txt
python -m pip install custatevec-cu${{ matrix.cuda_version_maj }} mpi4py openfermionpyscf
PL_BACKEND=lightning_qubit python -m pip install . -vv
- name: Downgrade Scipy (remove after release)
if: inputs.lightning-version == 'stable'
run: pip install --force-reinstall "scipy<1.14"
- name: Checkout PennyLane for release build
if: inputs.pennylane-version == 'release'
uses: actions/checkout@v4
with:
path: pennylane
repository: PennyLaneAI/pennylane
- name: Switch to release build of PennyLane
if: inputs.pennylane-version == 'release'
run: |
cd pennylane
git fetch --all
git checkout $(git branch -a --list "origin/v*rc*" | tail -1)
python -m pip uninstall -y pennylane && python -m pip install . -vv --no-deps
- name: Build and install package
env:
CUQUANTUM_SDK: $(python -c "import site; print( f'{site.getsitepackages()[0]}/cuquantum/lib')")
run: |
source /etc/profile.d/modules.sh && module use /opt/modules/ && module load ${{ matrix.mpilib }}/cuda-${{ matrix.cuda_version_maj }}.${{ matrix.cuda_version_min }}
CMAKE_ARGS="-DCMAKE_C_COMPILER=mpicc -DCMAKE_CXX_COMPILER=mpicxx -DENABLE_MPI=ON -DCMAKE_CUDA_COMPILER=$(which nvcc) -DCMAKE_CUDA_ARCHITECTURES=${{ env.CI_CUDA_ARCH }} -DPython_EXECUTABLE=${{ steps.python_path.outputs.python }}" \
PL_BACKEND=lightning_gpu python -m pip install . --verbose
# There are issues running py-cov with MPI. A solution is to use coverage as reported
# [here](https://github.com/pytest-dev/pytest-cov/issues/237#issuecomment-544824228)
- name: Run unit tests for MPI-enabled lightning.gpu device
run: |
source /etc/profile.d/modules.sh && module use /opt/modules/ && module load ${{ matrix.mpilib }}/cuda-${{ matrix.cuda_version_maj }}.${{ matrix.cuda_version_min }}
PL_DEVICE=lightning.gpu mpirun -np 2 \
coverage run --rcfile=.coveragerc --source=pennylane_lightning -p -m mpi4py -m pytest ./mpitests --tb=native
coverage combine
coverage xml -o coverage-${{ github.job }}-lightning_gpu_${{ matrix.mpilib }}_cu${{ matrix.cuda_version_maj }}-main.xml
- name: Upload code coverage results
uses: actions/upload-artifact@v3
with:
name: ubuntu-codecov-results-python
path: coverage-${{ github.job }}-lightning_gpu_${{ matrix.mpilib }}_cu${{ matrix.cuda_version_maj }}-*.xml
if-no-files-found: error
- name: Cleanup
if: always()
run: |
rm -rf ${{ steps.setup_venv.outputs.venv_name }}
rm -rf * .git .gitignore .github
pip cache purge
upload-to-codecov-linux-python:
needs: ["python_tests"]
name: Upload coverage data to codecov
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Download coverage reports
uses: actions/download-artifact@v3
with:
name: ubuntu-codecov-results-python
- name: Upload to Codecov
uses: codecov/codecov-action@v4
with:
fail_ci_if_error: true
verbose: true
token: ${{ secrets.CODECOV_TOKEN }}
- name: Cleanup
if: always()
run: |
rm -rf ${{ steps.setup_venv.outputs.venv_name }}
rm -rf * .git .gitignore .github
pip cache purge