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Boolean matching for incompletely specified functions

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2 Author(s)
Kuo-Hua Wang ; Dept. of Comput. Sci. & Inf. Eng., Fu Jen Catholic Univ., Taipei Hsien, Taiwan ; TingTing Hwang

Boolean matching is to check the equivalence of two functions under input permutation and input/output phase assignment. In this paper, we address Boolean matching problems for incompletely specified functions. We formulate the searching of input variable mapping between two target functions as a logic equation by using multiple-valued functions. Based on this equation, a Boolean matching algorithm is proposed. Delay and power dissipation can also be taken into consideration when this method is used for technology mapping. Experimental results on a set of benchmarks show that our algorithm is indeed very effective in solving the Boolean matching problem for incompletely specified functions

Published in:

IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems  (Volume:16 ,  Issue: 2 )