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Optimisation of application execution on dynamic systems

机译:优化动态系统上的应用程序执行

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摘要

In this paper, we demonstrate the impact of using a dynamic (on-the-fty) performance prediction tool-set, PACE, for optimis- ing application execution on dynamic systems. The need for steering the application execution arises from the ever-growing use of distributed and GRID systems. The unquestionable aim to overcome bottleneck problems, allocation, and performance degradation due to shared CPU time has prompted many investigations into the best way in which the performance of an application can be enhanced. In this work, we present a novel approach to dynamically optimise the performance of an application. An example application, the FFTW (the fastest Fourier transform in the west), is used to illustrate the approach which itself is a novel method that optimises the execution of an FFT It is shown that performance prediction can provide the same quality of information as a measurement process for application optimisation but in a fraction of the time and thus improving the overall application performance.
机译:在本文中,我们演示了使用动态(实时)性能预测工具集PACE来优化动态系统上的应用程序执行的影响。越来越多的分布式和GRID系统使用导致对应用程序执行进行控制的需求。克服瓶颈问题,分配和因CPU时间共享而导致的性能下降的毫无疑问的目标促使人们进行了许多研究,以探讨可以提高应用程序性能的最佳方法。在这项工作中,我们提出了一种动态优化应用程序性能的新颖方法。示例应用程序FFTW(西方最快的傅立叶变换)用于说明该方法本身就是一种优化FFT执行的新颖方法。结果表明,性能预测可以提供与FFT相同的信息质量。用于应用程序优化的测量过程,但只需花费一小部分时间,从而提高了整体应用程序性能。

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