计算机工程2011，Vol.37Issue(22)：24-27,34,5.
基于ESCA系统的层次化显式访存机制研究
Research on Hierarchical Explicit Memory Access Mechanism Based on ESCA System
摘要
Abstract
To address the memory wall issue of the high performance hybrid computing systems, this paper proposes a novel hierarchical explicit memory access mechanism based on the analysis of hybrid computing mode and the limitations of the traditional memory access mechanism. The proposed mechanism is implemented and evaluated on a multi-core hybrid computing system Engineering and Scientific Computing Architecture (ESCA). Experimental results show that the hidden of memory access latency can occupy 56% of the total run time and achieve 1.5 times speedup with the kernel of DGEMM, which proves that the proposed memory access mechanism is beneficial to fill the gap between computing and memory, thus improving the system efficiency.关键词
混合计算/存储墙/多核处理器/ESCA系统/层次化显示存储访问/延迟隐藏Key words
hybrid computing/ memory wall/ multi-core processor/ Engineering and Scientific Computing Architecture(ESCA) system/ hierarchical explicit memory access/ hidden of latency分类
信息技术与安全科学引用本文复制引用
饶金理,吴丹,陈攀,董冕,邓承诺,戴葵,邹雪城..基于ESCA系统的层次化显式访存机制研究[J].计算机工程,2011,37(22):24-27,34,5.基金项目
国家自然科学基金资助项目(NSFC60973035.NSFC60976027) （NSFC60973035.NSFC60976027）
湖北省自然科学基金资助项目(2010CBD02705) （2010CBD02705）
