Use copy routine to copy data between FFT and communication #26

	name: tests on Ubuntu and MacOS

	on: [push, pull_request]

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

	env:
	# Avoid a warning
	# OMPI_MCA_btl_base_warn_component_unused: 0
	# Prevent slowdown when oversubscribing (e.g. 4 ranks of 2 cores)
	# OMPI_MCA_mpi_yield_when_idle: 1
	# OMPI_MCA_rmaps_base_oversubscribe: 1
	# Allow run as root
	OMPI_ALLOW_RUN_AS_ROOT: 1
	OMPI_ALLOW_RUN_AS_ROOT_CONFIRM: 1
	# Fix OpenMPI issue in Docker : https://github.com/open-mpi/ompi/issues/4948
	# OMPI_MCA_btl_vader_single_copy_mechanism: none

	jobs:
	Run-on-Ubuntu:
	name: test-compile on Ubuntu
	runs-on: [ubuntu-20.04]
	steps:
	- uses: actions/checkout@v2
	- name: build
	run: \|
	sudo apt install pkg-config git gfortran libopenmpi-dev \
	zlib1g zlib1g-dev libblas-dev libfftw3-dev libhdf5-openmpi-dev

	./configure \
	--enable-fftw3 \
	--with-hdf5 \
	--with-blas \
	--with-zlib \
	MPIRUN="mpirun --oversubscribe"

	make
	make test

	Run-on-Mac:
	name: test-compile on Mac
	runs-on: [macos-latest]
	steps:
	- uses: actions/checkout@v2
	- name: build
	run: \|
	brew info gfortran
	brew info open-mpi
	brew install gfortran

	a=`which gfortran-11`; \
	b=`dirname $a`; \
	c=$b/gfortran; \
	ln -s $a $c

	brew install open-mpi fftw hdf5-mpi

	mpicc -v
	mpif90 -v

	./configure \
	--enable-fftw3 \
	--with-hdf5 \
	--with-blas \
	--with-zlib \
	MPIRUN="mpirun --oversubscribe"

	make
	make test

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