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