         time_desc [i] = new KeepTime( _frame[i]->_stream );
         time_vote [i] = new KeepTime( _frame[i]->_stream );
     }
+#endif // not NDEBUG
 
     KeepTime t( _frame[0]->_stream );
     t.start();

        time_thin [i]->report( "time for Thin  " );
        time_desc [i]->report( "time for Desc  " );
        time_vote [i]->report( "time for Vote  " );
    }

    // cerr << "Leave " << __FUNCTION__ << endl;
}


    int num_layers = _frame.size();

#ifndef NDEBUG
    KeepTime* time_gauss[num_layers];
    KeepTime* time_mag  [num_layers];
    KeepTime* time_hyst [num_layers];
