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Optimal wire retiming without binary search

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2 Author(s)
Chuan Lin ; Dept. of Electr. & Comput. Eng., Northwestern Univ., Evanston, IL ; Hai Zhou

The problem of retiming over a netlist of macroblocks to achieve minimal clock period, where block internal structures may not be changed and flip-flops may not be inserted on some wire segments, is called the optimal wire retiming problem. This paper presents a new algorithm that solves the optimal wire retiming problem with polynomial-time worst case complexity. Since the new algorithm avoids binary search and is essentially incremental, it has the potential of being combined with other optimization techniques. Experimental results show that the new algorithm is very efficient in practice

Published in:

Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on  (Volume:25 ,  Issue: 9 )