MPI测试程序

#include<stdio.h>
#include<mpi.h>
int main(int argc, char* argv[]) {
	int myid, numprocs;
	MPI_Init(&argc, &argv);
	MPI_Comm_rank(MPI_COMM_WORLD, &myid);
	MPI_Comm_size(MPI_COMM_WORLD, &numprocs);
	printf("%d helle from %d", numprocs, myid);
	MPI_Finalize();
	return 0;
}