SQUARE: Strategic Quantum Ancilla Reuse for Modular Quantum Programs via Cost-Effective Uncomputation

@article{Ding2020SQUARESQ,
  title={SQUARE: Strategic Quantum Ancilla Reuse for Modular Quantum Programs via Cost-Effective Uncomputation},
  author={Yongshan Ding and X. Wu and Adam Holmes and Ash Wiseth and D. Franklin and M. Martonosi and F. Chong},
  journal={2020 ACM/IEEE 47th Annual International Symposium on Computer Architecture (ISCA)},
  year={2020},
  pages={570-583}
}
  • Yongshan Ding, X. Wu, +4 authors F. Chong
  • Published 2020
  • Computer Science, Physics
  • 2020 ACM/IEEE 47th Annual International Symposium on Computer Architecture (ISCA)
Compiling high-level quantum programs to machines that are size constrained (i.e. limited number of quantum bits) and time constrained (i.e. limited number of quantum operations) is challenging. In this paper, we present SQUARE (Strategic QUantum Ancilla REuse), a compilation infrastructure that tackles allocation and reclamation of scratch qubits (called ancilla) in modular quantum programs. At its core, SQUARE strategically performs uncomputation to create opportunities for qubit reuse… Expand
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