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Author:

方娟 (方娟.) (Scholars:方娟) | 张红波 (张红波.)

Indexed by:

CQVIP PKU CSCD

Abstract:

存储访问延迟一直是制约计算机系统整体性能的瓶颈,多核处理器的出现使“存储墙”问题更加严重.预取技术可以隐藏存储访问延迟,因此基于多核处理器的预取技术最近成为学术界研究的热点.研究了目前较为新颖的多核处理器预取技术Future execution,然后针对其缺陷提出改进,即提出了FE-Runahead架构,其减少了二级Cache访问缺失,提高了二级Cache命中率.实验结果表明,改进后的预取架构的二级Cache命中率提高了约9%,相对执行时间减少了8%.

Keyword:

指令窗口 存储访问延迟 访存模式 CMP

Author Community:

  • [ 1 ] [方娟]北京工业大学
  • [ 2 ] [张红波]北京工业大学

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Source :

计算机科学

ISSN: 1002-137X

Year: 2012

Issue: z2

Volume: 39

Page: 48-50,64

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 1

Chinese Cited Count:

30 Days PV: 10

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