xref: /petsc/src/benchmarks/PetscTime.c (revision a5eb49655b3fdf389f9d65fc4214d6e1c240a941)
1 #ifdef PETSC_RCS_HEADER
2 static char vcid[] = "$Id: PetscTime.c,v 1.8 1997/03/09 18:00:35 bsmith Exp balay $";
3 #endif
4 
5 #include "stdio.h"
6 #include "petsc.h"
7 #include "pinclude/ptime.h"
8 
9 int main( int argc, char **argv)
10 {
11   PLogDouble x, y;
12   int        i;
13 
14   PetscInitialize(&argc, &argv,0,0);
15   /* To take care of paging effects */
16   PetscTime(y);
17 
18   for ( i=0; i<2; i++ ) {
19     PetscTime(x);
20     PetscTime(y);
21     PetscTime(y);
22     PetscTime(y);
23     PetscTime(y);
24     PetscTime(y);
25     PetscTime(y);
26     PetscTime(y);
27     PetscTime(y);
28     PetscTime(y);
29     PetscTime(y);
30 
31     fprintf(stderr,"%-15s : %e sec\n","PetscTime",(y-x)/10.0);
32   }
33   PetscTime(x);
34   PetscSleep(10);
35   PetscTime(y);
36   fprintf(stderr,"%-15s : %e sec - Slept for 10 sec \n","PetscTime",(y-x));
37 
38   PetscFinalize();
39   return 0;
40 }
41