定制的MPSoC合成任务序列

Liang Chen, Nicolas Boichat, T. Mitra
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引用次数: 10

摘要

多处理器片上系统(MPSoC)平台在高性能嵌入式应用中越来越受欢迎。可以对这些平台上的每个处理元素(PE)进行调优,以匹配在其上执行的任务的计算需求,从而创建异构多处理器系统。可扩展处理器核心,其基本指令集架构可以通过特定于应用程序的自定义指令进行扩展,最近成为异构MPSoC平台的灵活构建块。然而,不同pe的定制必须以协同的方式进行,以创建一个最优的系统。在这项工作中,我们提出了一种伪多项式时间算法来设计最具资源效率的定制MPSoC平台,用于在截止日期约束下映射表示流应用程序的线性任务图。MP3编码器和MPEG-2编码器的实验验证证实了该方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Customized MPSoC synthesis for task sequence
Multiprocessor System-on-Chip (MPSoC) platforms have become increasingly popular for high-performance embedded applications. Each processing element (PE) on such platforms can be tuned to match the computational demands of the tasks executing on it, creating a heterogeneous multiprocessor system. Extensible processor cores, where the base instruction-set architecture can be augmented with application-specific custom instructions, have recently emerged as flexible building blocks for heterogeneous MPSoC platforms. However, the customization of the different PEs has to be carried out in a synergistic manner so as to create an optimal system. In this work, we propose a pseudo-polynomial time algorithm to design the most resource-efficient customized MPSoC platform for mapping linear task graphs representing streaming applications, under deadline constraints. Experimental validation with MP3 encoder and MPEG-2 encoder applications confirms the efficiency of our approach.
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