1 #include <petscsys.h> 2 #include <petsctime.h> 3 4 int main(int argc,char **argv) 5 { 6 PetscLogDouble x,y; 7 int i; 8 9 PetscCall(PetscInitialize(&argc,&argv,0,0)); 10 /* To take care of paging effects */ 11 PetscTime(&y); 12 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 } 34