Dynamic routing strategy for embedded distributed architectures

Céline Azar, S. Chevobbe, Yves Lhuillier, J. Diguet
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引用次数: 4

Abstract

The number of processors integrated in embedded platforms is expected to grow and reach thousands of cores in the near future. Manycore architectures gained a large interest over the years but the problem remains in scaling the control fabric and the interconnection network. We present in this paper CEDAR, a Configurable Embedded Distributed ARchitecture, and its adaptive routing strategy based on ACO (Ant Colony Optimization). CEDAR offers a high degree of flexibility and can handle any interconnection topology. Routing paths for remote data transfers are defined at runtime and allow a homogeneous distribution of traffic, avoiding deadlocks and contentions. We show that flexibility generates little overhead for exploring paths, which decreases for large amounts of data transfers. CEDAR is convenient for implementing irregular applications with high computational complexities.
嵌入式分布式架构的动态路由策略
集成在嵌入式平台中的处理器数量预计将在不久的将来增长并达到数千个核心。多年来,许多核心架构获得了极大的兴趣,但问题仍然存在于控制结构和互连网络的扩展上。本文提出了一种可配置嵌入式分布式架构CEDAR及其基于蚁群优化的自适应路由策略。CEDAR提供了高度的灵活性,可以处理任何互连拓扑。远程数据传输的路由路径在运行时定义,允许流量均匀分布,避免死锁和争用。我们表明,灵活性对探索路径产生的开销很小,对于大量数据传输来说,这种开销会减少。CEDAR便于实现具有高计算复杂性的不规则应用程序。
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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