Symmetry-aware placement with transitive closure graphs for analog layout design
Lihong Zhang; Shi, C.-J.R.; Yingtao Jiang
Design Automation Conference, 2008. ASPDAC 2008. Asia and South Pacific
Volume , Issue , 21-24 March 2008 Page(s):180 - 185
Digital Object Identifier   10.1109/ASPDAC.2008.4483936
Summary:A new scheme is proposed to use transitive closure graph (TCG) to explore the full symmetry solution space in analog layout design. We define a set of TCG symmetric-feasible conditions and show that it is extremely useful in reducing the solution space. A method is presented for generating random symmetric-feasible TCGs in O(n) time preserving the TCG closure property. Experimental results have confirmed the effectiveness of the proposed symmetry-aware TCG placement algorithm.

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