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

  7: int main(int argc,char **argv)
  8: {
  9:   PetscLogDouble x,y;
 10:   int            i,ierr;

 12:   PetscInitialize(&argc,&argv,0,0);
 13:   /* To take care of paging effects */
 14:   PetscTime(&y);

 16:   for (i=0; i<2; i++) {
 17:     PetscTime(&x);
 18:     PetscTime(&y);
 19:     PetscTime(&y);
 20:     PetscTime(&y);
 21:     PetscTime(&y);
 22:     PetscTime(&y);
 23:     PetscTime(&y);
 24:     PetscTime(&y);
 25:     PetscTime(&y);
 26:     PetscTime(&y);
 27:     PetscTime(&y);

 29:     fprintf(stdout,"%-15s : %e sec\n","PetscTime",(y-x)/10.0);
 30:   }
 31:   PetscTime(&x);
 32:   PetscSleep(10);
 33:   PetscTime(&y);
 34:   fprintf(stdout,"%-15s : %e sec - Slept for 10 sec \n","PetscTime",(y-x));

 36:   PetscFinalize();
 37:   return(0);
 38: }