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astaroth/samples/mpitest/README.txt

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This directory is used to test MPI with Astaroth.
Building:
cmake -DBUILD_SAMPLES=ON -DMPI_ENABLED=ON -DCMAKE_CXX_COMPILER=$(which mpicxx) .. && make -j
Running:
mpirun -np <nprocs> ./mpitest
or
srun <options> ./mpitest # With slurm
or
a batch script of your choice