A Stepwise Dimension Reduction Approach to Evolutionary Design of Relative Large Combinational Logic Circuits

  • Authors:
  • Zhifang Li;Wenjian Luo;Xufa Wang

  • Affiliations:
  • Nature Inspired Computation and Applications Laboratory, Department of Computer Science and Technology, University of Science and Technology of China, Hefei, China 230027;Nature Inspired Computation and Applications Laboratory, Department of Computer Science and Technology, University of Science and Technology of China, Hefei, China 230027 and Anhui Key Laboratory ...;Nature Inspired Computation and Applications Laboratory, Department of Computer Science and Technology, University of Science and Technology of China, Hefei, China 230027 and Anhui Key Laboratory ...

  • Venue:
  • ICES '08 Proceedings of the 8th international conference on Evolvable Systems: From Biology to Hardware
  • Year:
  • 2008

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Abstract

In this paper, a stepwise dimension reduction (SDR) approach to evolutionary design of relatively large combinational logic circuits is proposed. The proposed method divides the whole circuit into several layers. As for a circuit with one output, the number of input combinations is expected to be reduced layer-by-layer. The current layer's outputs are the next layer's inputs. All layers are evolved separately one after another, and assembled to form a final solution. The experimental results of SDR on parities, multipliers and circuits taken from MCNC library are comparable with those of GDD. Especially, the 19-parity circuit can be evolved successfully.