Reducing the number of lines in reversible circuits
Proceedings of the 47th Design Automation Conference
RevKit: an open source toolkit for the design of reversible circuits
RC'11 Proceedings of the Third international conference on Reversible Computation
Synthesis and optimization of reversible circuits—a survey
ACM Computing Surveys (CSUR)
Depth-optimized reversible circuit synthesis
Quantum Information Processing
Reducing the depth of quantum circuits using additional circuit lines
RC'13 Proceedings of the 5th international conference on Reversible Computation
Trading off circuit lines and gate costs in the synthesis of reversible logic
Integration, the VLSI Journal
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Additional lines are required to implement an irreversible function as a reversible circuit. The emphasis, particularly in automated synthesis methods, has been on using the minimal number of additional lines. In this paper, we show that circuit cost reductions can be achieved by adding additional lines. We present an algorithm for line addition that can be targeted to reducing the quantum cost of a circuit or the transistor count for a CMOS implementation. Experimental results show that the cost reduction can be significant even if (1) only a small number of lines (even one) is added and (2) other circuit optimizations have already been applied.