1: #include <petscsys.h>
  2: #include <petsctime.h>

  4: int main(int argc,char **argv)
  5: {
  6:   PetscLogDouble x,y;
  7:   int            i;

  9:   PetscCall(PetscInitialize(&argc,&argv,0,0));
 10:   /* To take care of paging effects */
 11:   PetscTime(&y);

 13:   for (i=0; i<2; i++) {
 14:     PetscTime(&x);
 15:     PetscTime(&y);
 16:     PetscTime(&y);
 17:     PetscTime(&y);
 18:     PetscTime(&y);
 19:     PetscTime(&y);
 20:     PetscTime(&y);
 21:     PetscTime(&y);
 22:     PetscTime(&y);
 23:     PetscTime(&y);
 24:     PetscTime(&y);
 25:     fprintf(stdout,"%-15s : %e sec\n","PetscTime",(y-x)/10.0);
 26:   }
 27:   PetscTime(&x);
 28:   PetscCall(PetscSleep(10));
 29:   PetscTime(&y);
 30:   fprintf(stdout,"%-15s : %e sec - Slept for 10 sec \n","PetscTime",(y-x));
 31:   PetscCall(PetscFinalize());
 32:   return 0;
 33: }