IEICE Electronics Express
Online ISSN : 1349-2543
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An efficient scheduling algorithm for NCQ within SSDs
Yongwoon ChoTaeseok Kim
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JOURNALS FREE ACCESS

2015 Volume 12 Issue 4 Pages 20150066

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Abstract

An efficient scheduling scheme for NCQ in SSDs is presented. Our scheme estimates the I/O service time of each command by considering the state of the buffer as well as the SSDs’ physical characteristics, and then first services the command with the shortest I/O service time. Through the trace-driven simulations, we show that the proposed scheme significantly improves the I/O performance in terms of average response time.

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© 2015 by The Institute of Electronics, Information and Communication Engineers
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