国防科学技术大学计算机学院,湖南,长沙,410073
纸质出版:2011
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严明, 李思昆, 沈剑良, 等. 一款嵌入式可视媒体处理系统芯片的设计与实现[J]. 电子学报, 2011,39(2):249-254.
YAN Ming, LI Si-kun, SHEN Jian-liang, et al. Design and Implementation of an Embedded Visual Media Process SoC[J]. Acta Electronica Sinica, 2011, 39(2): 249-254.
可视媒体领域应用是一类混合多种媒体应用的计算密集型且数据带宽大的复杂应用.本文介绍了一款名为EVMP-SoC的异构多核SoC.该SoC采用两个微异构的应用定制指令集协处理器构成协处理系统.针对可视媒体处理典型应用的计算特性
对该系统芯片进行了系统结构和微体系结构的优化设计
采用SMIC 0.13μm CMOS标准单元库实现了该系统芯片.通过应用微内核和三个典型应用的核心算法
对该系统芯片的性能和功耗进行了分析与评测.最后通过一个应用实例
验证了该系统芯片EVMP-SoC的高效性和高可用性.
Visual media domain applications are a kind of complex applications which are computation intensive and bandwidth exhausting.This paper described a heterogeneous multicore SoC named EVMP-SoC
which is specially optimized for embedded visual media applications.The chip was implemented using SMIC 0.13 μm CMOS standard cell library technology.We evaluated this chip with some micro application kernels.After exploiting the parallelisms on the chip
optimization based on high level transformation was done to improve the performance of execution of nested loops.Finally
through a case study
the chip shows high efficiency and availability.
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