XenoJetBench:一个开源的硬实时多处理器基准测试

Arsalan Shahid, Muhammad Yasir Qadri, Nadia Nawaz, Jameel Ahmed
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引用次数: 0

摘要

标准基准工具在计算机系统性能评估的设计过程中起着不可或缺的作用。之前提出的工具JetBench是一个开源的多处理器基准测试,可用于分析特定目标平台的性能。JetBench使用了NASA的EngineSim程序中使用的反应推进发动机参数和热力学方程,并模拟了反应推进发动机性能计算器。这个应用程序是平台独立的,也就是说,不需要特定于目标的库、硬件计数器和计时器。本文介绍了JetBench的更新和增强版本,名为“XenoJetBench”。XenoJetBench旨在通过在实时操作系统内核上集成HRT框架,提供喷气发动机热力学参数的硬实时(HRT)性能评估;从而减少错过最后期限的次数。此外,XenoJetBench被编程为提供基于优先级的热力学计算线程调度。结果表明,XenoJetBench对单核和双核处理器没有错过截止日期,16核的最大错过截止日期数量减少到9。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
XenoJetBench: An open source hard-real-time multiprocessor benchmark
Standard benchmark tools play an integral part in the design process for performance evaluation of a computer system. A previously proposed tool, JetBench, is an Open Source multiprocessor benchmark that can be used to analyze the performance of a specific target platform. JetBench uses reaction-propulsion engine parameters and thermodynamical equations used in the NASA's EngineSim program, and emulates reaction-propulsion engine performance calculator. This application is platform independent, i.e., target specific libraries, hardware counters and timers are not required. This paper presents an updated and enhanced version of JetBench named as ‘XenoJetBench’. XenoJetBench is aimed to provide hard-real-time (HRT) performance evaluation of jet engine's thermodynamic parameters through the integration of a HRT framework on a real-time operating systems kernel; hence reducing the number of missed deadlines. In addition to that XenoJetBench is programmed to provide priority based thread scheduling of thermodynamic calculations. The results show that XenoJetBench gives no missed deadline for single and dual core processors and maximum number of missed deadlines are reduced to 9 for 16 cores.
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