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首页> 外文期刊>Computer science >Mapping fine-grained power measurements to HPC application runtime characteristics on IBM POWER7
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Mapping fine-grained power measurements to HPC application runtime characteristics on IBM POWER7

机译:在IBM POWER7上将细粒度的功率测量结果映射到HPC应用程序运行时特征

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摘要

Optimization of energy consumption is a key issue for future HPC. Evaluation of energy consumption requires a fine-grained power measurement. Additional useful information is obtained when performing these measurements at component level. In this paper we describe a setup which allows to perform fine-grained power measurements up to a 1 ms resolution at component level on IBM POWER (IBM and POWER are trademarks of IBM in USA and/or other countries.) machines. We further developed a plug-in for VampirTrace that allows us to correlate these power measurements with application performance characteristics, e.g. obtained by hardware performance counters. This environment enables us to generate both power and performance profiles. Such profiles provide valuable input to develop future strategies for improving workload-driven energy usage per performance. We show in comparison with power profiles of coarser granularity that these fine-grained measurements are necessary to capture the dynamics of power switching.
机译:能源消耗的优化是未来HPC的关键问题。能耗评估需要进行细粒度的功率测量。在组件级别执行这些测量时,可以获得其他有用的信息。在本文中,我们描述了一种设置,该设置允许在IBM POWER(IBM和POWER是IBM在美国和/或其他国家(地区)的商标)上的组件级别上以高达1 ms的分辨率执行细粒度的功率测量。我们进一步开发了用于VampirTrace的插件,该插件使我们能够将这些功率测量结果与应用程序性能特征(例如,由硬件性能计数器获得。这种环境使我们能够生成功耗和性能曲线。此类概要文件提供了宝贵的意见,可用于制定未来策略,以提高工作负载驱动的每项性能的能耗。与较粗粒度的电源配置文件相比,我们发现这些细粒度的测量对于捕获电源切换的动态性是必需的。

著录项

  • 来源
    《Computer science》 |2014年第4期|211-219|共9页
  • 作者单位

    Juelich Supercomputing Centre (JSC), Forschungszentrum Juelich,52425 Juelich, Germany;

    Juelich Supercomputing Centre (JSC), Forschungszentrum Juelich,52425 Juelich, Germany;

    Juelich Supercomputing Centre (JSC), Forschungszentrum Juelich,52425 Juelich, Germany;

    Juelich Supercomputing Centre (JSC), Forschungszentrum Juelich,52425 Juelich, Germany;

    IBM Deutschland Research & Development GmbH,Schoenaicher Str. 220, 71032 Boeblingen, Germany;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Energy; Performance; Power consumption POWER7;

    机译:能源;性能;功耗POWER7;

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