基于局部性分析数据预取在GCC上的实现被引量：1

Implementation of Data Prefetching Based on Locality Analysis in GCC

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摘要微处理器与DRAM之间速度差异越来越大,系统优化需要更多积极有效的方法来减少或隐藏访存延迟.数据预取是隐藏访存延迟的一种有效方法,本文在GCC编译器上实现了一种基于精确局部性分析的数据预取优化算法.对spec2000和NPB2.3的测试结果显示,实施了该优化的GCC平均性能比原来提高了9%.

作者郭勇尉红梅漆锋滨

机构地区江南计算技术研究所

出处《计算机工程与科学》 CSCD 2006年第z2期21-23,44,共4页 Computer Engineering & Science

基金国家863计划资助项目(2002AA110030)

关键词 GCC 数据预取重用性局部性局部迭代空间

参考文献4

1[1]Stenven P VanderWeil,David J Lilja.Data Prefetch Mechanisms[Z].
2[2]Daniel Ortega,Eduard Ayguade,et al.Cost-Effective Compiler Directed Memory Prefetching and Bypassing.
3[3]T Mowry,M Lam,A Gupta.Design and Evaluation of a Compiler Algorithm for Prefetching[A].5th Int'l Conf on Architectural Support for Programming Languages and Operating Systems[C].1992.
4[4]Chi-Keung Luk,Todd C Mowry.Compiler-Based Prefetching for Recursive Data Structures[Z].

1黄娟娟,李春江,徐颖.GCC中自动向量化代价模型剖析[C]//第17届计算机工程与工艺年会暨第三届微处理器技术论坛论文集.长沙:国防科技大学出版社,2013:259-268.
2Hennessy J L,Patterson D A.Computer architecture:a quantitative approach[M].[S.l.]:Elsevier,2012.
3Hwang S J,Park M S.Efficient software data prefetching for a loop with large arrays[C]//EURO-PAR’95 Parallel Processing.Berlin Heidelberg:Springer,1995:301-312.
4Byna S,Chen Y,Sun X H.A taxonomy of data prefetching mechanisms[C]//International Symposium on Parallel Architectures,Algorithms,and Networks,I-SPAN 2008,2008:19-24.
5Free Software Foundation,Inc.GCC,the GNU compiler collection[EB/OL].(2014-12-23).https://gcc.gnu.org/.
6Free Software Foundation,Inc.GCC 4.9 release series[EB/OL].(2014-10-30).http://gcc.gnu.org/gcc-4.9/.
7Smith A J.Sequential program prefetching in memory hierarchies[J].Computer,1978,11(12):7-21.
8Callahan D,Kennedy K,Porterfield A.Software prefetching[J].ACM SIGOPS Operating Systems Review,1991,25:40-52.
9Intel.Intel itanium architecture software developer’s manual,vol.3:instruction set reference[Z].Rev 2.3,May 2010.
10MIPS Technologies.MIPS32tmarchitecture for programmers;volume II:the MIPS32tminstruction set[Z].Revision 0.95,March 12,2001.

计算机工程与科学

2006年第z2期

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