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18 lines
429 B
C

#include "mpi.h"
#include <stdio.h>
int main( 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 );
char processor_name[MPI_MAX_PROCESSOR_NAME];
int name_len;
MPI_Get_processor_name(processor_name,&name_len);
printf( "Hello world form %s, rank %d out of %d proc\n",processor_name,rank, size );
MPI_Finalize();
return 0;
}