Design and Application of a Virtual Computing System in Synchrotron Light Source

doi:10.11871/jfdc.issn.2096-742X.2024.03.008

Abstract

Abstract:

[Objective] The High Energy Photon Source (HEPS) generates a massive amount of experimental data, requiring substantial high-performance computing resources for processing and analysis, thereby supporting diverse scientific research. Additionally, the computing environment needs to provide secure data storage and access control mechanisms to ensure data security and privacy protection. The computational capabilities of current workstations have become a bottleneck for experimental analysis, and the vast amount of data makes it difficult for users to create local data copies. The traditional method of using local workstations for data downloading and analysis is no longer able to meet the growing experimental demands, necessitating robust cloud computing platforms and computing system support. [Methods] This paper proposes a virtualized HEPS cloud desktop computing system for three-dimensional data imaging and crystal scattering experiments in HEPS. The system has the characteristics of high image display requirements, demanding high-performance GPU computing and image rendering, which are generally lacking in the experimental site. Therefore, utilizing the resources of a computing cluster to provide virtual cloud desktop services and centralizing the management of computing resources to improve resource utilization is crucial. [Background] This paper first introduces the basic situation, experimental characteristics, and research motivation of the HEPS and the virtual cloud desktop system. [Results] We design the architecture, service model, authentication system, and GPU utilization methods for the virtual cloud desktop. [Conclusion] Finally, we demonstrate the practical application of the virtual cloud desktop system in light source experiments, showcasing its superiority and promising prospects in the field of synchrotron radiation sources.

Key words: virtualization, cloud desktop, openStack, synchrotron radiation source, HEPS

XU Jiping, HU Qingbao, LI Yakang, QI Fazhi, ZHENG Wei, CUI Tao, YAN Xiaofei, ZENG Shan. Design and Application of a Virtual Computing System in Synchrotron Light Source[J]. Frontiers of Data and Computing, 2024, 6(3): 73-82, https://cstr.cn/32002.14.jfdc.CN10-1649/TP.2024.03.008.

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