File: wtime.c

package info (click to toggle)
mpich 4.0.2-3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 423,384 kB
  • sloc: ansic: 1,088,434; cpp: 71,364; javascript: 40,763; f90: 22,829; sh: 17,463; perl: 14,773; xml: 14,418; python: 10,265; makefile: 9,246; fortran: 8,008; java: 4,355; asm: 324; ruby: 176; lisp: 19; php: 8; sed: 4
file content (27 lines) | stat: -rw-r--r-- 534 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
/*
 * Copyright (C) by Argonne National Laboratory
 *     See COPYRIGHT in top-level directory
 */

#include "mpi.h"
#include <stdio.h>
#include "mpitest.h"

int main(int argc, char *argv[])
{
    int i;
    double dStart, dFinish, dDuration;

    MPI_Init(&argc, &argv);
    MPI_Comm_rank(MPI_COMM_WORLD, &i);

    dStart = MPI_Wtime();
    MTestSleep(1);
    dFinish = MPI_Wtime();
    dDuration = dFinish - dStart;

    printf("start:%g\nfinish:%g\nduration:%g\n", dStart, dFinish, dDuration);

    MPI_Finalize();
    return 0;
}