Pin Assignment for Wire Length Minimization after Floorplanning Phase
In this paper,we present a pin assignment algorithm which can be applied after floorplanning phase for wire length optimization.In order to reassign pins globally for all the nets,we formulate a Mixed Integer Linear Programming (MILP)for this problem.Since the MILP problem is a NP-hard problem,and the solution space is on a large scale,we introduce a simulated annealing algorithm to solve the MILP problem. The results show that our algorithm can further reduce the wire length by 10.22% within less than one minute averagely.
Pin assignment post-floorplanning wire length minimization MILP simulated annealing
Xu He Sheqin Dong
Tsinghua National Laboratory for Information Science & Technology,China,100084
国际会议
2009 IEEE 8th International Conference on ASIC(第八届IEEE国际专用集成电路大会)
长沙
英文
1294-1297
2009-10-20(万方平台首次上网日期,不代表论文的发表时间)