A communication characterisation of Splash-2 and Parsec

2009 IEEE International Symposium on Workload Characterization (IISWC) Pub Date : 2009-10-04 DOI:10.1109/IISWC.2009.5306792

Nick Barrow-Williams, Christian Fensch, S. Moore

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引用次数: 194

Abstract

Recent benchmark suite releases such as Parsec specifically utilise the tightly coupled cores available in chip-multiprocessors to allow the use of newer, high performance, models of parallelisation. However, these techniques introduce additional irregularity and complexity to data sharing and are entirely dependent on efficient communication performance between processors. This paper thoroughly examines the crucial communication and sharing behaviour of these future applications. The infrastructure used allows both accurate and comprehensive program analysis, employing a full Linux OS running on a simulated 32-core x86 machine. Experiments use full program runs, with communication classified at both core and thread granularities. Migratory, read-only and producer-consumer sharing patterns are observed and their behaviour characterised. The temporal and spatial characteristics of communication are presented for the full collection of Splash-2 and Parsec benchmarks. Our results aim to support the design of future communication systems for CMPs, encompassing coherence protocols, network-on-chip and thread mapping.

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飞溅-2和秒秒的通信特性

最近发布的基准测试套件，如Parsec，专门利用芯片多处理器中可用的紧密耦合内核，以允许使用更新，高性能的并行化模型。然而，这些技术给数据共享带来了额外的不规则性和复杂性，并且完全依赖于处理器之间有效的通信性能。本文深入研究了这些未来应用的关键通信和共享行为。所使用的基础设施允许准确和全面的程序分析，使用在模拟32核x86机器上运行的完整Linux操作系统。实验使用完整的程序运行，通信按核心和线程粒度分类。观察到迁移模式、只读模式和生产者-消费者共享模式及其行为特征。在完整的Splash-2和Parsec基准测试中，给出了通信的时间和空间特征。我们的研究结果旨在支持cmp未来通信系统的设计，包括相干协议、片上网络和线程映射。

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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2009 IEEE International Symposium on Workload Characterization (IISWC)

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