Architecture aware compilation of quantum circuits via lazy synthesis

• URL: http://arxiv.org/abs/2012.09663v4
• Date: Thu, 2 Jun 2022 13:40:10 GMT
• Title: Architecture aware compilation of quantum circuits via lazy synthesis
• Authors: Simon Martiel and Timoth\'ee Goubault de Brugi\`ere
• Abstract summary: We propose a meta-heuristic that couples the iterative approach of SWAP insertion techniques with greedy architecture aware synthesis routines. We show that our algorithms show significant reduction in the entangling gate overhead due to compilation.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Qubit routing is a key problematic related to quantum circuit compilation. It consists in rewriting a quantum circuit by adding the least possible number of instructions to make the circuit compliant with some architecture's connectivity constraints. Usually, this problem is tackled via either SWAP insertion techniques or re-synthesis of portions of the circuit using architecture aware synthesis algorithms. In this work, we propose a meta-heuristic that couples the iterative approach of SWAP insertion techniques with greedy architecture aware synthesis routines. We propose two new compilation algorithms based on this meta-heuristic and compare their performances to state-of-the-art quantum circuit compilation techniques for several standard classes of quantum circuits and show significant reduction in the entangling gate overhead due to compilation.

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