MECH: Multi-Entry Communication Highway for Superconducting Quantum Chiplets
Proceedings of the 29th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 2(2023)
摘要
Chiplet architecture is an emerging architecture for quantum computing that
could significantly increase qubit resources with its great scalability and
modularity. However, as the computing scale increases, communication between
qubits would become a more severe bottleneck due to the long routing distances.
In this paper, we propose a multi-entry communication highway (MECH) mechanism
to trade ancillary qubits for program concurrency, and build a compilation
framework to efficiently manage and utilize the highway resources. Our
evaluation shows that this framework significantly outperforms the baseline
approach in both the circuit depth and the number of operations on typical
quantum benchmarks. This implies a more efficient and less error-prone
compilation of quantum programs.
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