The practice of I/O optimizations for out-of-core computation

被引：0

作者：

Tang, JQ ^{[1
]}

Fang, BX ^{[1
]}

Hu, MZ ^{[1
]}

Zhang, HL ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Comp Sci & Engn, Harbin 150001, Peoples R China

来源：

PARALLEL AND DISTRIBUTED COMPUTING: APPLICATIONS AND TECHNOLOGIES, PROCEEDINGS | 2004年 / 3320卷

关键词：

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Out-of-core computation needs high I/O performance as the out-of-core data stored in files has to be moved between memory and disks during the execution of an application program. In order to obtain better performance of out-of-core programs, two I/O optimizations are practiced, which are data prefetching and data reuse. This paper focuses on discussing the mechanism and implementation of each method and under which condition a method should be used. Several sets of experiments are taken to test the strategies and the results show that the I/O performance is efficiently improved by using thew optimization methods.

引用

页码：81 / 85

页数：5

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