xref: /petsc/src/benchmarks/PetscTime.c (revision be0abb6ddea392ceaee217d3645fed7c6ea71822)
1a5eb4965SSatish Balay #ifdef PETSC_RCS_HEADER
2*be0abb6dSBarry Smith static char vcid[] = "$Id: PetscTime.c,v 1.11 1999/03/19 21:24:35 bsmith Exp bsmith $";
3d8e9fea7SSatish Balay #endif
4d8e9fea7SSatish Balay 
5c0e5a298SSatish Balay #include "petsc.h"
6173c0623SSatish Balay #include "pinclude/ptime.h"
7173c0623SSatish Balay 
85a655dc6SBarry Smith #undef __FUNC__
95a655dc6SBarry Smith #define __FUNC__ "main"
10173c0623SSatish Balay int main( int argc, char **argv)
11173c0623SSatish Balay {
1247794344SBarry Smith   PLogDouble x, y;
1377c4ece6SBarry Smith   int        i;
14173c0623SSatish Balay 
1577c4ece6SBarry Smith   PetscInitialize(&argc, &argv,0,0);
1698d6af09SSatish Balay   /* To take care of paging effects */
1798d6af09SSatish Balay   PetscTime(y);
18173c0623SSatish Balay 
1977c4ece6SBarry Smith   for ( i=0; i<2; i++ ) {
20173c0623SSatish Balay     PetscTime(x);
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     PetscTime(y);
31173c0623SSatish Balay 
32173c0623SSatish Balay     fprintf(stderr,"%-15s : %e sec\n","PetscTime",(y-x)/10.0);
3377c4ece6SBarry Smith   }
345176a447SSatish Balay   PetscTime(x);
35*be0abb6dSBarry Smith   ierr = PetscSleep(10);CHKERRA(ierr);
365176a447SSatish Balay   PetscTime(y);
375176a447SSatish Balay   fprintf(stderr,"%-15s : %e sec - Slept for 10 sec \n","PetscTime",(y-x));
385176a447SSatish Balay 
39173c0623SSatish Balay   PetscFinalize();
403a40ed3dSBarry Smith   PetscFunctionReturn(0);
41173c0623SSatish Balay }
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