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DOI:
Journal of Software:1997.8(2):81-86

基于弱一致性模型软件数据预取策略
窦勇,周兴铭
(国防科技大学计算机系,长沙,410073)
A SOFTWARE CONTROLLED DATA PREFETCHING SCHEME BASED ON WEAK ORDER CONSISTENCY MODEL
DOU Yong,ZHOU Xingming
()
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    Revised:January 08, 1996
> 中文摘要: 本文针对分布共享存储器中存在的远地访问大延迟问题,提出了基于弱序一致性模型的存储访问优化策略,主要是利用并行程序中同步操作提供的信息,在同步点成块预取将要被使用的数据.该方法能够有效地掩盖远地存储访问的大延迟.
Abstract:This paper presents a software controlled data prefetching scheme to overcome the delay of remote memory accesses in the physically distributed and logically shared memory system. With the information provided by the parallel programs respecting weak order consistency model, prefetch operations can be arranged at synchronization points to get the data before they are used. This scheme can effectively hide the large latency of non uniform memory access architechtrol model through block operations.
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基金项目:本文研究得到国家863高科技项目基金资助. 本文研究得到国家863高科技项目基金资助.
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窦勇,周兴铭.基于弱一致性模型软件数据预取策略.软件学报,1997,8(2):81-86

DOU Yong,ZHOU Xingming.A SOFTWARE CONTROLLED DATA PREFETCHING SCHEME BASED ON WEAK ORDER CONSISTENCY MODEL.Journal of Software,1997,8(2):81-86