Decease I/O Mean Response Time Using Software Pipelining

Ke Zhou, Zhongying Niu
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引用次数: 2

Abstract

Compared with the storage device in traditional direct attached systems, the I/O access pattern in a storage area network is different. In this paper we use fibre channel RAIDs and study how to decease I/O mean response time by software pipelining, so to enable the overlapping of different phases of the operation such as fibre channel transfer and disk access. Calculations and tests show that software pipelining can decrease I/O mean response time effectively. Further, we discuss the speedup of mean response time that is mainly influenced by two parameters: concurrent I/O request number and request data size
使用软件流水线减少I/O平均响应时间
与传统直连系统中的存储设备相比,存储区域网络中的I/O访问模式有所不同。本文以光纤通道raid为例,研究了如何通过软件流水线来缩短I/O平均响应时间,从而实现光纤通道传输和磁盘访问等不同操作阶段的重叠。计算和测试表明,软件流水线可以有效地降低I/O平均响应时间。此外,我们还讨论了主要受两个参数影响的平均响应时间的加速:并发I/O请求数和请求数据大小
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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