Finding compact BDDs using genetic programming

  • Authors:
  • Ulrich Kühne;Nicole Drechsler

  • Affiliations:
  • Institute of Computer Science, University of Bremen, Bremen, Germany;Institute of Computer Science, University of Bremen, Bremen, Germany

  • Venue:
  • EuroGP'06 Proceedings of the 2006 international conference on Applications of Evolutionary Computing
  • Year:
  • 2006

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Abstract

Binary Decision Diagrams (BDDs) can be used to design multiplexor based circuits. Unfortunately, the most commonly used kind of BDDs – ordered BDDs – has exponential size in the number of variables for many functions. In some cases, more general forms of BDDs are more compact. In constrast to the minimization of OBDDs, which is well understood, there are no heuristics for the construction of compact BDDs up to today. In this paper we show that compact BDDs can be constructed using Genetic Programming.