diff options
Diffstat (limited to 'nixos/tests/mpich-example.c')
-rw-r--r-- | nixos/tests/mpich-example.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/nixos/tests/mpich-example.c b/nixos/tests/mpich-example.c new file mode 100644 index 000000000000..c48e3c45b72e --- /dev/null +++ b/nixos/tests/mpich-example.c @@ -0,0 +1,21 @@ +#include <stdio.h> +#include <stdlib.h> +#include <mpi.h> + +int +main (int argc, char *argv[]) +{ + int rank, size, length; + char name[BUFSIZ]; + + MPI_Init (&argc, &argv); + MPI_Comm_rank (MPI_COMM_WORLD, &rank); + MPI_Comm_size (MPI_COMM_WORLD, &size); + MPI_Get_processor_name (name, &length); + + printf ("%s: hello world from process %d of %d\n", name, rank, size); + + MPI_Finalize (); + + return EXIT_SUCCESS; +} |