38 строки
817 B
C
38 строки
817 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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char hostname[512];
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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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gethostname(hostname, 512);
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printf("%s: I am %d of %d. pid=%d\n", hostname, rank, size, getpid());
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if (rank%3 == 0) {
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printf("%s: rank %d aborts\n", hostname, rank);
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if (rank == 3) {
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printf("%s: rank %d is going to sleep\n", hostname, rank);
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sleep(2);
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}
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MPI_Abort(MPI_COMM_WORLD, 2);
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printf("%s: sleeping. You should not see this\n", hostname);
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sleep(100);
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}
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MPI_Finalize();
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return 0;
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}
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