50 строки
907 B
C
50 строки
907 B
C
/* -*- C -*-
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*
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* Copyright (c) 2008 Los Alamos National Security, LLC. All rights reserved.
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*
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <time.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 nppn;
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struct timeval tv;
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char *cmd;
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/* check for proper usage */
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if (2 < argc) {
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printf("usage: ziatest <#procs/node>\n");
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exit(1);
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}
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nppn = strtol(argv[1], NULL, 10);
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/* THIS BEGINS THE OFFICIAL TIMING POINT */
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/* get a starting time stamp */
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gettimeofday(&tv, NULL);
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/* form the command */
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asprintf(&cmd, "mpirun -npernode %d ./ziaprobe %d %d", nppn, tv.tv_sec, tv.tv_usec);
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/* execute it */
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system(cmd);
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/* done */
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free(cmd);
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return 0;
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}
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