What is faster / less cpu intensive?

must test.nut

		if (_tile_priorities == null) {
			_tile_priorities = { };
			for (local noise = 1; noise <= _noisiest_airport_noise; noise++) {
				_tile_priorities[noise] <- GSList();
				_tile_priorities[noise].Sort(GSList.SORT_BY_VALUE, GSList.SORT_DESCENDING);
			}
		}
    
    /* Random code here */
    
    /* Method 1 */
    if (_tile_priorities[noise].Count() > 0) {
      _tile_priorities[noise].AddItem(tile, _tile_priorities[noise].GetValue(_tile_priorities[noise].Begin()) + 1);
    } else {
      _tile_priorities[noise].AddItem(tile, 0);
    }
    
    /* Method 2 */
    _tile_priorities[noise].AddItem(tile, _tile_priorities[noise].Count());