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提出了一种降低走线拥挤的标准单元增量式布局算法 C- ECOP.首先通过一种新型的布线模型来估计芯片上的走线情况 ,然后构造一个整数线性规划问题来解决可能出现的相邻拥挤区域冲突问题 .实验结果表明该算法能够有效地降低走线拥挤 ,保证初始布局的质量 ,并且具有很高的效率
This paper proposes a standard cell incremental layout algorithm C-ECOP to reduce trace crowding.Firstly, a new type of routing model is used to estimate the routing on the chip, and then an integer linear programming problem is constructed to solve the possible phase And the problem of crowded area conflict.Experimental results show that the proposed algorithm can effectively reduce the crowding of routes and ensure the initial layout quality with high efficiency