降低低温 QAOA 设备的温间带宽

IF 1.4 3区计算机科学 Q4 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

IEEE Computer Architecture Letters Pub Date : 2023-10-09 DOI:10.1109/LCA.2023.3322700

Yosuke Ueno;Yuna Tomida;Teruo Tanimoto;Masamitsu Tanaka;Yutaka Tabuchi;Koji Inoue;Hiroshi Nakamura

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引用次数: 0

摘要

低温和室温环境之间的带宽限制是超导噪声中型量子计算机的一个关键瓶颈。本文介绍了首次针对量子近似优化算法的算法感知系统级优化试验，以解决这一问题。我们基于计数器的低温架构使用单流量子逻辑，显示出指数级带宽降低，并减少了温间电缆的热流入和外围功耗，这有助于提高超导量子计算机的可扩展性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Inter-Temperature Bandwidth Reduction in Cryogenic QAOA Machines

The bandwidth limit between cryogenic and room-temperature environments is a critical bottleneck in superconducting noisy intermediate-scale quantum computers. This paper presents the first trial of algorithm-aware system-level optimization to solve this issue by targeting the quantum approximate optimization algorithm. Our counter-based cryogenic architecture using single-flux quantum logic shows exponential bandwidth reduction and decreases heat inflow and peripheral power consumption of inter-temperature cables, which contributes to the scalability of superconducting quantum computers.

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来源期刊

IEEE Computer Architecture Letters COMPUTER SCIENCE, HARDWARE & ARCHITECTURE-

CiteScore

4.60

自引率

4.30%

发文量

期刊介绍： IEEE Computer Architecture Letters is a rigorously peer-reviewed forum for publishing early, high-impact results in the areas of uni- and multiprocessor computer systems, computer architecture, microarchitecture, workload characterization, performance evaluation and simulation techniques, and power-aware computing. Submissions are welcomed on any topic in computer architecture, especially but not limited to: microprocessor and multiprocessor systems, microarchitecture and ILP processors, workload characterization, performance evaluation and simulation techniques, compiler-hardware and operating system-hardware interactions, interconnect architectures, memory and cache systems, power and thermal issues at the architecture level, I/O architectures and techniques, independent validation of previously published results, analysis of unsuccessful techniques, domain-specific processor architectures (e.g., embedded, graphics, network, etc.), real-time and high-availability architectures, reconfigurable systems.