Actual source code: PetscTime.c
petsc-3.7.1 2016-05-15
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      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: }