Preprint
Aug 2026
Bona: Automatic Management of Dirty Ancilla Borrowing in Quantum Circuits
Bona is presented, the first scheduler for dirty-qubit borrowing, built on a novel depth-aware heuristic algorithm, and it reduces nearly 99% of dirty ancillas on average with controlled depth overhead, providing concrete evidence that dirty ancillas offer unique optimization advantages in circuits with certain parallelism.
Xiaoquan Xu, Chenke Liu, Boning Meng et al.
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