xref: /petsc/src/benchmarks/PetscTime.c (revision a5eb49655b3fdf389f9d65fc4214d6e1c240a941)
1*a5eb4965SSatish Balay #ifdef PETSC_RCS_HEADER
2*a5eb4965SSatish Balay static char vcid[] = "$Id: PetscTime.c,v 1.8 1997/03/09 18:00:35 bsmith Exp balay $";
3d8e9fea7SSatish Balay #endif
4d8e9fea7SSatish Balay 
5173c0623SSatish Balay #include "stdio.h"
6c0e5a298SSatish Balay #include "petsc.h"
7173c0623SSatish Balay #include "pinclude/ptime.h"
8173c0623SSatish Balay 
9173c0623SSatish Balay int main( int argc, char **argv)
10173c0623SSatish Balay {
1147794344SBarry Smith   PLogDouble x, y;
1277c4ece6SBarry Smith   int        i;
13173c0623SSatish Balay 
1477c4ece6SBarry Smith   PetscInitialize(&argc, &argv,0,0);
1598d6af09SSatish Balay   /* To take care of paging effects */
1698d6af09SSatish Balay   PetscTime(y);
17173c0623SSatish Balay 
1877c4ece6SBarry Smith   for ( i=0; i<2; i++ ) {
19173c0623SSatish Balay     PetscTime(x);
20173c0623SSatish Balay     PetscTime(y);
21173c0623SSatish Balay     PetscTime(y);
22173c0623SSatish Balay     PetscTime(y);
23173c0623SSatish Balay     PetscTime(y);
24173c0623SSatish Balay     PetscTime(y);
25173c0623SSatish Balay     PetscTime(y);
26173c0623SSatish Balay     PetscTime(y);
27173c0623SSatish Balay     PetscTime(y);
28173c0623SSatish Balay     PetscTime(y);
29173c0623SSatish Balay     PetscTime(y);
30173c0623SSatish Balay 
31173c0623SSatish Balay     fprintf(stderr,"%-15s : %e sec\n","PetscTime",(y-x)/10.0);
3277c4ece6SBarry Smith   }
335176a447SSatish Balay   PetscTime(x);
345176a447SSatish Balay   PetscSleep(10);
355176a447SSatish Balay   PetscTime(y);
365176a447SSatish Balay   fprintf(stderr,"%-15s : %e sec - Slept for 10 sec \n","PetscTime",(y-x));
375176a447SSatish Balay 
38173c0623SSatish Balay   PetscFinalize();
39173c0623SSatish Balay   return 0;
40173c0623SSatish Balay }
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