SX-Aurora TSUBASA I/O加速机制的评估

2021 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW) Pub Date : 2021-06-01 DOI:10.1109/IPDPSW52791.2021.00113

Y. Sasaki, Ayumu Ishizuka, Mulya Agung, H. Takizawa

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引用次数: 1

摘要

在异构计算系统中，执行文件I/O操作可能需要涉及不同类型的处理器。由于NEC SX-Aurora TSUBASA就是这样一个系统，因此提供了两个I/O加速机制，以减少处理器之间用于文件I/O操作的数据传输开销。本文首先研究了两种机制对SX-Aurora TSUBASA I/O性能的影响。在此基础上，通过洪水灾害估算的实际应用，讨论了这两种机制的合理应用。这些结果清楚地表明了对自动调优的需求，即在考虑应用程序行为和系统配置的情况下自适应地选择这两种机制中的任何一种。

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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Evaluating I/O Acceleration Mechanisms of SX-Aurora TSUBASA

In a heterogeneous computing system, different kinds of processors might need to be involved in the execution of a file I/O operation. Since NEC SX-Aurora TSUBASA is one such system, two I/O acceleration mechanisms are offered to reduce the data transfer overheads among the processors for a file I/O operation. This paper first investigates the effects of the two mechanisms on the I/O performance of SX-Aurora TSUBASA. Considering the results, proper use of the two mechanisms is discussed via a real-world application of flood damage estimation. These results clearly demonstrate the demand for auto-tuning, i.e., adaptively selecting either of the two mechanisms with considering application behaviors and system configuration.

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2021 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)

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