1 /* -*- Mode: C; c-basic-offset:4 ; -*- */
2 /*
3  *  (C) 2001 by Argonne National Laboratory.
4  *      See COPYRIGHT in top-level directory.
5  */
6 #include "mpi.h"
7 #include <stdio.h>
8 #include <unistd.h>
9 
main(int argc,char * argv[])10 int main(int argc, char *argv[])
11 {
12 	int i;
13 	double dStart, dFinish, dDuration;
14 
15 	MPI_Init(&argc, &argv);
16 	MPI_Comm_rank(MPI_COMM_WORLD, &i);
17 
18 	dStart = MPI_Wtime();
19 	sleep(1);
20 	dFinish = MPI_Wtime();
21 	dDuration = dFinish - dStart;
22 
23 	printf("start:%g\nfinish:%g\nduration:%g\n", dStart, dFinish, dDuration);
24 
25 	MPI_Finalize();
26 	return 0;
27 }
28