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arXiv:2504.16579 · Lecture notes in computer science

Optimization Framework for Reducing Mid-circuit Measurements and Resets

Yanbin Chen, Innocenzo Fulginiti, Christian B. Mendl

Published Jan 1, 2025• 2 citations
arXivHTMLPDF
DOI
10.1007/978-3-031-97570-7_13

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In the noisy intermediate-scale quantum era, mid-circuit measurement and reset operations facilitate novel circuit optimization strategies by reducing a circuit's qubit count in a method called resizing. This paper introduces two such algorithms. The first one leverages gate-dependency rules to reduce qubit count by 61.6% or 45.3% when optimizing depth as well. Based on numerical instantiation and synthesis, the second algorithm finds resizing opportunities in previously unresizable circuits via dependency rules and other state-of-the-art tools. This resizing algorithm, implemented in BQSKit, reduces qubit count by 20.7% on average for these previously impossible-to-resize circuits.
In the noisy intermediate-scale quantum era, mid-circuit measurement and reset operations facilitate novel circuit optimization strategies by reducing a circuit's qubit count in a method called resizing. This paper introduces two such algorithms. The first one leverages gate-dependency rules to reduce qubit count by 61.6% or 45.3% when optimizing depth as well. Based on numerical instantiation and synthesis, the second algorithm finds resizing opportunities in previously unresizable circuits via dependency rules and other state-of-the-art tools. This resizing algorithm reduces qubit count by 20.7% on average for these previously impossible-to-resize circuits.