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并行科学计算应用的动态I/O模式分析 被引量:5

The Analysis of Parallel Scientific Application's Dynamic I/O
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摘要 设计高性能并行文件系统的关键前提是对 I/ O 访问模式的分析和研究。并行文件系统的界面、组织结构、cache 预取算法等都与具体应用的 I/ O 模式紧密相关。目前,大多数对 I/ O 模式的分析局限于其静态模式,而动态 I/ O 模式对并行文件系统的设计至关重要。本文通过分析并行科学计算应用的动态 I/ O 访问模式,总结出科学计算应用在访问数据量、时间间隔、访问顺序性等空间、时间上的一般访问特性,并在此基础上提出设计面向并行科学计算应用的并行文件系统应考虑的因素。 It is necessary to understand the mode of I/O mode before designing a parallel file system (PFS). The structure, interface and algorithm of cache/prefetch is closely related to application. Now, most analyses are based on static I/O model, but the dynamic mode is much more important to PFS. This paper analyses the dynamic I/O mode of parallel scientific application, and summarizes the characteristics of I/O size, interval, sequence and so on .The conclusion of what should be considered when designing a PFS is finally drawn.
作者 卢凯 金士尧
出处 《国防科技大学学报》 EI CAS CSCD 1999年第4期75-78,共4页 Journal of National University of Defense Technology
关键词 并行科学计算 I/O模式 并行文件系统 计算机 scientific application,I/O mode,parallel file system
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同被引文献24

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  • 2曾令仿,冯丹,周可,王芳.网络存储I/O流水机制研究[J].小型微型计算机系统,2006,27(1):42-45. 被引量:2
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  • 4邓会敏,曾碧卿.一种动态并行I/O调度新策略的研究[J].微计算机信息,2007,23(03X):247-249. 被引量:1
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  • 8Florin Isaila, Walter F View. I/O:Improving the performance of non-contiguous I/O[C]. Proceedings of the IEEE International Conference on Cluster Computing. Hong Kong, 2003:336-343.
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