A multi-ported register file is often required by the superscalar microprocessor to handle multiple simultaneous loads and stores, which cause large increase in area and power consumption.

• 对于流水线型的超大规模微处理器,通常采用多端口的寄存器堆暂存中间数据,这些读写操作势必增加寄存器堆的芯片面积和功耗。