计算机工程与应用 ›› 2010, Vol. 46 ›› Issue (4): 62-65.DOI: 10.3778/j.issn.1002-8331.2010.04.020

• 研发、设计、测试 • 上一篇    下一篇

内存页面交换文件定位优化方法

侯 昉1,2,王 禹1,3,赵跃龙1   

  1. 1.华南理工大学 计算机科学与工程学院,广州 510641
    2.广东金融学院 计算机科学与技术系,广州 510521
    3.广东技术师范学院 科研处,广州 510665
  • 收稿日期:2009-02-06 修回日期:2009-03-23 出版日期:2010-02-01 发布日期:2010-02-01
  • 通讯作者: 侯 昉

Page file optimized reallocation

HOU Fang1,2,WANG Yu1,3,ZHAO Yue-long1   

  1. 1.School of Computer Science and Engineering,South China University of Technology,Guangzhou 510641,China
    2.Department of Computer Science and Technology,Guangdong University of Finance,Guangzhou 510521,China
    3.Science Research Department,Guangdong Polytechnic Normal University,Guangzhou 510665,China
  • Received:2009-02-06 Revised:2009-03-23 Online:2010-02-01 Published:2010-02-01
  • Contact: HOU Fang

摘要: 在计算机内存管理系统中,如何有效地将内存中的页面交换文件存放在磁盘的适当位置上来加快内存程序的运行速度,是一个非常重要的问题。对分区盘(Zoned-Disk)技术进行了详细的研究,提出了一种对内存页面交换文件在磁盘上的定位进行优化的方法。通过理论分析和实验验证,表明该方法相对与传统的文件定位方法,不但可以提高磁盘的数据传输速率和内存中页面交换文件的读写速度,而且也加快了内存中各个任务之间的切换速度,从而在整体上提高了计算机系统的I/O性能。

Abstract: The swapping process between physical page and page file in a hard disk in the virtual memory architecture is a key factor that influences the context switches of thread scheduling.Based on the analyses of Zoned-Disk technology,an algorithm of optimized swap file reallocation has been proposed.Theoretical analyses and practical experiments show it takes obvious advantages over the traditional default methods not only in the Read/Write speed of page swap file but also in the efficiency of threads switching.Hence the performance of whole system has been improved.

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