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14 lines
330 B
C

#include <mpi.h>
#include <stdio.h>
int main(int argc, char *argv[]) {
int commsize, my_rank;
MPI_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &commsize);
MPI_Comm_rank(MPI_COMM_WORLD, &my_rank);
printf ("Communicator size = %d; My rank = %d\n", commsize,my_rank);
MPI_Finalize();
}