A Reliability-Aware Multi-application Mapping Technique in Networks-on-Chip

F. Khalili, H. Zarandi
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引用次数: 16

Abstract

This paper proposes a reliability-aware mapping technique for multi applications in networks-on-chip. The proposed technique consists of three main steps: 1) Generating a new core graph enriched by spares, based on a given application core graph, 2) Finding smallest rectangular region to place the given application using a heuristic algorithm, and 3) Searching the specified region into whole NoC, and selecting a region which results minimum overall performance and communication energy. Spare cores are connected to all vertices of application core graph and their edges are weighted by failure probability of processing cores assigned to the application and will be updated during mapping process. Many application core graphs are used to evaluate the proposed technique. The results of 100,000 fault injection experiments show communication energy reduction and performance improvement compared to well-known related techniques in both faulty and fault-free modes.
片上网络中可靠性感知的多应用映射技术
提出了一种面向片上网络多应用的可靠性感知映射技术。该技术包括三个主要步骤:1)基于给定的应用程序核心图,生成一个由备件丰富的新核心图;2)使用启发式算法寻找最小的矩形区域来放置给定的应用程序;3)将指定区域搜索到整个NoC中,并选择一个整体性能和通信能量最小的区域。备用核连接到应用程序核图的所有顶点,其边缘由分配给应用程序的处理核的失效概率加权,并在映射过程中更新。许多应用程序核心图用于评估所建议的技术。10万次故障注入实验结果表明,无论在故障模式还是无故障模式下,该方法都能降低通信能量,提高通信性能。
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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