Identifying "representative" workloads in designing MpSoC platforms for media processing

2nd Workshop onEmbedded Systems for Real-Time Multimedia, 2004. ESTImedia 2004. Pub Date : 2004-09-06 DOI:10.1109/ESTMED.2004.1359702

A. Maxiaguine, S. Chakraborty, Wei Tsang Ooi

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引用次数: 25

Abstract

Workload design is a well recognized problem in the domain of microprocessor design. Different program characteristics that influence the selection of a representative workload include microarchitecture-centric properties such as cache miss rates, instruction mix and accuracy of branch prediction. However, properties of a workload that are pertinent to the context of system-level design of multiprocessor SoC platforms are very different. Till date, the problem of "representative workload design" in this specific context has not been sufficiently addressed. This work represents an attempt to address this problem in the specific case of SoC platform design for multimedia processing. Towards this, we present a method to characterize properties of multimedia workload that are relevant to SoC platform design. Based on such a characterization, we present a technique for classifying different multimedia streams. Finally, we show the utility of such a classification through a case study involving the design of a multiprocessor SoC platform for MPEG-2 decoding.

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在设计用于媒体处理的MpSoC平台时确定“代表性”工作负载

工作负载设计是微处理器设计领域中一个公认的问题。影响代表性工作负载选择的不同程序特征包括以微体系结构为中心的属性，如缓存缺失率、指令组合和分支预测的准确性。然而，与多处理器SoC平台的系统级设计上下文相关的工作负载的属性是非常不同的。到目前为止，在这个特定的上下文中，“代表性工作负载设计”的问题还没有得到充分的解决。这项工作代表了在多媒体处理SoC平台设计的具体情况下解决这一问题的尝试。为此，我们提出了一种描述与SoC平台设计相关的多媒体工作负载特性的方法。基于这种特征，我们提出了一种对不同的多媒体流进行分类的技术。最后，我们通过一个涉及MPEG-2解码的多处理器SoC平台设计的案例研究来展示这种分类的效用。

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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2nd Workshop onEmbedded Systems for Real-Time Multimedia, 2004. ESTImedia 2004.

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