| 1. | In the entitative routing stage , the macro - cell layout must be compressed for optimization area and time delay . it should be compared beauty with the routing result by manual . an algorithm , which is gridless , variable widths and minimizing layer permutation , is advanced for channel region 晶体管级实体布线阶段,由于库单元的复用性,要求库单元版图紧凑,即要求单元版图在满足各约束条件的前提下面积、性能优化程度较高,能与手工设计的版图相媲美。 |