基于云的NISQ量子计算机可靠性的长期分析

Proceedings of the 18th International Conference on Availability, Reliability and Security Pub Date : 2023-08-29 DOI:10.1145/3600160.3600192

Chuan Xu, Jakub Szefer

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引用次数: 0

摘要

如今，许多公共云基础设施提供商允许访问嘈杂的中等规模量子(NISQ)计算机。环境或机器配置的变化可能会影响它们的可靠性。通过对真实量子计算机校准数据的分析，本工作证明了IBM quantum提供的量子计算机经历了波动或量子比特频率突变的时期。这项工作进一步分析了频率变化事件、退相干时间、门错误和机器维护或离线期间之间的相关性。结果强调，NISQ计算机的属性会随着时间的推移而变化，从而影响它们的可靠性，但并非所有的变化都可以用公开可用的数据来解释。

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Long-Term Analysis of the Dependability of Cloud-based NISQ Quantum Computers

Numerous public cloud infrastructure providers today allow for access to Noisy Intermediate-Scale Quantum (NISQ) computers. Changes in the environment or the machine configuration may affect their dependability. Through analysis of real quantum computer calibration data, this work demonstrates that quantum computers available from IBM Quantum experience periods of fluctuation or abrupt qubit frequency changes. This work further analyzes the correlation between the frequency change events, decoherence times, gate errors, and machine maintenance or offline periods. The results highlight that the properties of NISQ computers change over time, affecting their dependability, but not all of the changes can be explained with publicly available data.

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Proceedings of the 18th International Conference on Availability, Reliability and Security

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