Reversible circuit synthesis of symmetric functions using a simple regular structure

  • Authors:
  • Arighna Deb;Debesh K. Das;Hafizur Rahaman;Bhargab B. Bhattacharya;Robert Wille;Rolf Drechsler

  • Affiliations:
  • Computer Science and Engineering, Jadavpur University, Kolkata, India;Computer Science and Engineering, Jadavpur University, Kolkata, India;Information Technology, Bengal Engg. and Sci. University, Howrah, India;Nanotechnology Research Triangle, Indian Statistical Institute, Kolkata, India;Institute of Computer Science, University of Bremen, Bremen, Germany,Cyber-Physical Systems, DFKI GmbH, Bremen, Germany;Institute of Computer Science, University of Bremen, Bremen, Germany,Cyber-Physical Systems, DFKI GmbH, Bremen, Germany

  • Venue:
  • RC'13 Proceedings of the 5th international conference on Reversible Computation
  • Year:
  • 2013

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Abstract

In this paper, we introduce a new method to realize symmetric functions with reversible circuits. In contrast to earlier methods, our solution deploys a simple and regular cascade structure composed of low-cost gates which enables significant reductions with respect to quantum costs. However, the number of garbage outputs increases slightly. To overcome this, we next propose an optimized design by reusing the garbage outputs. The resulting design thus offers a powerful approach towards reversible synthesis of symmetric Boolean functions.