misc: various Dimension internal fixes #5767

	name: CI-mpi

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	on:
	# Trigger the workflow on push or pull request,
	# but only for the master branch
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	test-mpi-basic:
	name: pytest-mpi
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: ['3.8','3.9']

	env:
	DEVITO_LANGUAGE: "openmp"
	DEVITO_ARCH: "gcc-9"
	OMP_NUM_THREADS: "1"
	CC: "gcc-9"
	CXX: "g++-9"

	steps:
	- uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Checkout devito
	uses: actions/checkout@v3

	- name: Install dependencies
	run: \|
	sudo apt-get update && sudo apt install mpich -y
	pip3 install --upgrade pip
	pip3 install -e .[extras,mpi,tests]

	- name: Test with pytest
	run: \|
	python3 scripts/clear_devito_cache.py
	python3 -m pytest --cov --cov-config=.coveragerc --cov-report=xml -m parallel tests/

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	name: pytest-mpi

	test-mpi-docker:
	name: pytest-mpi
	runs-on: ubuntu-latest
	strategy:
	matrix:
	arch: [gcc, icx]

	steps:
	- name: Checkout devito
	uses: actions/checkout@v3

	- name: Build docker image
	run: \|
	docker build . --file docker/Dockerfile.devito --tag devito_img --build-arg base=devitocodes/bases:cpu-${{ matrix.arch }}

	- name: Test with pytest
	run: \|
	docker run --rm -e CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }} -e OMP_NUM_THREADS=1 --name testrun devito_img pytest tests/test_mpi.py

Provide feedback