Detecting support-reducing bound sets using two-cofactor symmetries

  • Authors:
  • Jin S. Zhang;Malgorzata Chrzanowska-Jeske;Alan Mishchenko;Jerry R. Burch

  • Affiliations:
  • Portland State University, Portland, OR;Portland State University, Portland, OR;UC Berkeley, Berkeley, CA;Synopsys Inc., Hillsboro, OR

  • Venue:
  • Proceedings of the 2005 Asia and South Pacific Design Automation Conference
  • Year:
  • 2005

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Abstract

Detecting support-reducing bound sets is an important step in Boolean decomposition. It affects both the quality and the runtime of several applications in technology mapping and re-synthesis. This paper presents an efficient heuristic method for detecting support-reducing bound sets using two-cofactor symmetries. Experiments on the MCNC and ITC benchmarks show an average 40x speedup over the published exhaustive method for bound set construction.