int main(int argc,char **argv)
{
PetscLogDouble x,y;
long int i,j,A[100000],ierr;
PetscInitialize(&argc,&argv,0,0);
/* To take care of paging effects */
ierr = PetscGetCPUTime(&y);CHKERRQ(ierr);
for (i=0; i<2; i++) {
ierr = PetscGetCPUTime(&x);CHKERRQ(ierr);
/*
Do some work for at least 1 ms. Most CPU timers
cannot measure anything less than that
*/
for (j=0; j<20000*(i+1); j++) {
A[j]=i+j;
}
ierr = PetscGetCPUTime(&y);CHKERRQ(ierr);
fprintf(stdout,"%-15s : %e sec\n","PetscGetCPUTime",(y-x)/10.0);
}
ierr = PetscFinalize();
PetscFunctionReturn(0);
}
void PETSC_STDCALL petscgetcputime_(PetscLogDouble *t, int *__ierr ){
*__ierr = PetscGetCPUTime(t);
}