一句话：提出多入口通信高速公路机制，用辅助量子比特换取程序并发度，并构建编译框架高效管理该资源。
量子芯粒（chiplet）架构凭借可扩展性与模块化有望大幅增加量子比特资源，但计算规模增大后，量子比特间的通信因路由距离过长而成为严重瓶颈。本文提出多入口通信高速公路（MECH）机制，通过牺牲辅助量子比特来换取程序并发度，并构建配套编译框架以高效管理与利用高速公路资源。评估表明，在典型量子基准程序上，该框架在电路深度与操作数量两方面均显著优于基线方法，这意味着量子程序编译可以更高效且更不易出错。
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.
DOI 原文 · arXiv · PDF（开放获取） · DBLP
@inproceedings{ZhangYWSSD24,
title = {MECH: Multi-Entry Communication Highway for Superconducting Quantum Chiplets},
author = {Hezi Zhang and Keyi Yin and Anbang Wu and Hassan Shapourian and Alireza Shabani and Yufei Ding},
booktitle = {ASPLOS},
year = {2024},
doi = {10.1145/3620665.3640377}
}