34 строки
627 B
C
34 строки
627 B
C
|
/* -*- C -*-
|
||
|
*
|
||
|
* $HEADER$
|
||
|
*
|
||
|
* The most basic of MPI applications
|
||
|
*/
|
||
|
|
||
|
#include <stdio.h>
|
||
|
#include <unistd.h>
|
||
|
#include "mpi.h"
|
||
|
|
||
|
int main(int argc, char* argv[])
|
||
|
{
|
||
|
int rank, size;
|
||
|
MPI_Comm parent;
|
||
|
int msg;
|
||
|
|
||
|
printf("Slave [pid %ld] starting up!\n", (long)getpid());
|
||
|
|
||
|
MPI_Init(&argc, &argv);
|
||
|
|
||
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
MPI_Comm_size(MPI_COMM_WORLD, &size);
|
||
|
|
||
|
MPI_Comm_get_parent(&parent);
|
||
|
|
||
|
MPI_Recv(&msg, 1, MPI_INT, 0, 1, parent, MPI_STATUS_IGNORE);
|
||
|
printf("Slave %d received msg: %d\n", rank, msg);
|
||
|
MPI_Comm_disconnect(&parent);
|
||
|
|
||
|
MPI_Finalize();
|
||
|
return 0;
|
||
|
}
|