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Phoronix Test Suite

OpenBenchmarking.org

Linux I/O Scheduler Comparison On The Linux 3.4 Desktop

Michael Larabel

Published on 11 May 2012
Written by Michael Larabel
Page 4 of 4 - 28 Comments

With an IOzone write test, CFQ continued doing the best overall for the HDD and SSD systems.

The Threaded I/O Tester results were scattered while the CFQ scheduler tended to produce the sanest results overall.

For most workloads, the Completely Fair Queuing (CFQ) scheduler tended to be the best Linux I/O scheduler overall for these HDD and SSD systems. It is for the higher-end SSDs on PCI-E where the default I/O scheduler will change, but this article is primarily about delivering some Linux desktop scheduler results. Hardware permitting, in another article will be the workstation/server-focused scheduler results.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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