VLSI Floorplanning Based on Particle Swarm Optimization
Floorplanning is an important problem in the verylarge integrated circuit(VLSI)design automation.Itsan NP-hard combinatorial optimization problem.TheParticle Swarm Optimization(PSO)has been provedto be a good optimization algorithm with outstandingglobal performance.However,PSO cannot be directlyused in the combinatorial optimization problem due toits continuous characterisic.In this paper a novelfloorplanning algorithm based on Discrete PSO(DPSO)algorithm is proposed,in which integercoding based on module number was adopted.Theprinciples of mutation and crossover operator in theGenetic Algorithm(GA)are also incorporated into theproposed PSO algorithm to achieve better diversityand break away from local optima.Experimentsemploying MCN and GSRC benchmarks show that theperformance of our proposed algorithm for placementis good.The proposed algorithm can avoid the solutionfrom falling into local minimum and have goodconvergence performance.
Guolong Chen Wenzhong Guo Hongju Cheng Xiang Fen Xiaotong Fang
College of Mathematics and Computer Science,Fuzhou University,Fuzhou,350002,China;Key Laboratory of College of Mathematics and Computer Science,Fuzhou University,Fuzhou,350002,China
国际会议
厦门
英文
1020-1025
2008-11-17(万方平台首次上网日期,不代表论文的发表时间)