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San Jose, CA
March 27, 2006 to March 29, 2006
ISBN: 0-7695-2523-7
pp: 272-277
Jeffrey Fan , University of California, Riverside
I-Fan Liao , University of California, Riverside
X.-D Sheldon , University of California, Riverside
Yici Cai , Tsinghua University, Beijing, China
Xianlong Hong , Tsinghua University, Beijing, China
ABSTRACT
In this paper, we propose an efficient algorithm to reduce the voltage noises for on-chip power/ground (P/G) networks of VLSI. The new method is based on the sequence of linear programming (SLP) method as the optimization engine and a localized scheme via partitioning for dealing with large circuits. We show that by directly optimizing the decap area as the objective function and using the time-domain adjoint method, SLP can deliver much better quality than existing methods based on the merged time-domain adjoint method. The partitioning strategy further improves the scalability of the proposed algorithm and makes it efficient for large circuits. The resulting algorithm is general enough for any P/G network. Experimental results demonstrate the advantage of the proposed method over existing state-of-the-art methods in terms of solution quality at a mild computation cost increase.
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CITATION
Jeffrey Fan, I-Fan Liao, X.-D Sheldon, Yici Cai, Xianlong Hong, "Localized On-Chip Power Delivery Network Optimization via Sequence of Linear Programming", ISQED, 2006, Proceedings of the 2006 7th International Symposium on Quality Electronic Design, Proceedings of the 2006 7th International Symposium on Quality Electronic Design 2006, pp. 272-277, doi:10.1109/ISQED.2006.81
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