P3ARSEC:面向并行模式基准测试

M. Danelutto, T. D. Matteis, D. D. Sensi, G. Mencagli, M. Torquati
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引用次数: 16

摘要

高级并行编程是一种事实上的标准方法,可以减少开发时间来开发并行软件。高级抽象由现有框架提供,作为源代码中基于pragca的注释,或者通过预先构建的并行模式提供,这些模式在并行算法中经常出现,程序员可以很容易地将其实例化,从而为并行软件的开发添加结构。在本文中,我们将重点放在第二种方法上,我们提出了P3ARSEC,这是一个由PARSEC应用程序的代表性子集组成的基于并行模式的框架的基准套件。我们分析了使用这种高级方法的可编程性优势和潜在的性能损失,这些方法与使用低级机制的手工并行有关。结果是在新的Intel Knights Landing多核上获得的,并且在相当的性能下显着降低了代码复杂性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
P3ARSEC: towards parallel patterns benchmarking
High-level parallel programming is a de-facto standard approach to develop parallel software with reduced time to development. High-level abstractions are provided by existing frameworks as pragma-based annotations in the source code, or through pre-built parallel patterns that recur frequently in parallel algorithms, and that can be easily instantiated by the programmer to add a structure to the development of parallel software. In this paper we focus on this second approach and we propose P3ARSEC, a benchmark suite for parallel pattern-based frameworks consisting of a representative subset of PARSEC applications. We analyse the programmability advantages and the potential performance penalty of using such high-level methodology with respect to hand-made parallelisations using low-level mechanisms. The results are obtained on the new Intel Knights Landing multicore, and show a significantly reduced code complexity with comparable performance.
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