2: #include <petscsys.h> 3: #include <petsctime.h> 5: int main(int argc,char **argv) 6: { 7: PetscLogDouble x,y; 8: PetscInt i; 10: PetscCall(PetscInitialize(&argc,&argv,0,0)); 11: /* To take care of paging effects */ 12: PetscCall(PetscTime(&y)); 14: for (i=0; i<2; i++) { 15: PetscCall(PetscTime(&x)); 16: PetscCall(PetscTime(&y)); 17: PetscCall(PetscTime(&y)); 18: PetscCall(PetscTime(&y)); 19: PetscCall(PetscTime(&y)); 20: PetscCall(PetscTime(&y)); 21: PetscCall(PetscTime(&y)); 22: PetscCall(PetscTime(&y)); 23: PetscCall(PetscTime(&y)); 24: PetscCall(PetscTime(&y)); 25: PetscCall(PetscTime(&y)); 26: fprintf(stdout,"%-15s : %e sec\n","PetscTime",(y-x)/10.0); 27: } 29: PetscCall(PetscFinalize()); 30: return 0; 31: }