1 2 #include <petscsys.h> 3 #include <petsctime.h> 4 5 #undef __FUNCT__ 6 #define __FUNCT__ "main" 7 int main(int argc,char **argv) 8 { 9 PetscLogDouble x,y; 10 int i; 11 PetscErrorCode ierr; 12 13 ierr = PetscInitialize(&argc,&argv,0,0);if (ierr) return ierr; 14 /* To take care of paging effects */ 15 PetscTime(&y); 16 17 for (i=0; i<2; i++) { 18 PetscTime(&x); 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); 28 PetscTime(&y); 29 fprintf(stdout,"%-15s : %e sec\n","PetscTime",(y-x)/10.0); 30 } 31 PetscTime(&x); 32 ierr = PetscSleep(10);CHKERRQ(ierr); 33 PetscTime(&y); 34 fprintf(stdout,"%-15s : %e sec - Slept for 10 sec \n","PetscTime",(y-x)); 35 ierr = PetscFinalize(); 36 return ierr; 37 } 38