xref: /petsc/src/benchmarks/PetscTime.c (revision b0a32e0c6855ee6a6cd3495fa7da12ea9885bc5d)
1*b0a32e0cSBarry Smith /*$Id: PetscTime.c,v 1.16 2000/11/28 17:32:38 bsmith Exp bsmith $*/
2d8e9fea7SSatish Balay 
3c0e5a298SSatish Balay #include "petsc.h"
4329f5518SBarry Smith #include "petscfix.h"
5*b0a32e0cSBarry Smith #include "src/sys/src/PetscLog/ptime.h"
6173c0623SSatish Balay 
75a655dc6SBarry Smith #undef __FUNC__
85a655dc6SBarry Smith #define __FUNC__ "main"
9173c0623SSatish Balay int main(int argc,char **argv)
10173c0623SSatish Balay {
11*b0a32e0cSBarry Smith   PetscLogDouble 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 
3135d8aa7fSBarry Smith     fprintf(stdout,"%-15s : %e sec\n","PetscTime",(y-x)/10.0);
3277c4ece6SBarry Smith   }
335176a447SSatish Balay   PetscTime(x);
34be0abb6dSBarry Smith   ierr = PetscSleep(10);CHKERRA(ierr);
355176a447SSatish Balay   PetscTime(y);
3635d8aa7fSBarry Smith   fprintf(stdout,"%-15s : %e sec - Slept for 10 sec \n","PetscTime",(y-x));
375176a447SSatish Balay 
38173c0623SSatish Balay   PetscFinalize();
393a40ed3dSBarry Smith   PetscFunctionReturn(0);
40173c0623SSatish Balay }
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