32 一个简单的程序

#include "mpi.h"
#include <stdio.h>

int main( argc, argv )
int argc;
char **argv;
{
int rank, size;
MPI_Init( &argc, &argv );
MPI_Comm_rank( MPI_COMM_WORLD, &rank );
MPI_Comm_size( MPI_COMM_WORLD, &size );
printf( "Hello world! I'm %d of %d\n",
rank, size );
MPI_Finalize();
return 0;
}

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