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What happens if I push all of nixpkgs
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C
12345678910111213141516171819202122#include <stdio.h>#include <stdlib.h>#include <mpi.h>
intmain (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;}