Linux 4.9 I/O Scheduler Benchmarks On A SSD: Noop vs. CFQ vs. Deadline

Written by Michael Larabel in Linux Storage on 25 October 2016 at 06:39 AM EDT. 19 Comments
LINUX STORAGE
Some Phoronix Premium readers had recently requested some fresh I/O scheduler benchmarks using the Linux 4.9 kernel, so here are those test results.

Included in this short article are some I/O scheduler comparison benchmarks using the Linux 4.9 Git code from last week when comparing Noop, Deadline, and CFQ mainline choices. The disk used was running EXT4 and was a 120GB Samsung 850 EVO solid-state drive.
Linux 4.9 Scheduler Tests

Pretty straightforward comparison...
Linux 4.9 Scheduler Tests

Linux 4.9 Scheduler Tests

Linux 4.9 Scheduler Tests

Linux 4.9 Scheduler Tests

Continue seeing more of this fresh Linux 4.9 I/O scheduler data via this OpenBenchmarking.org result file.
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About The Author
Michael Larabel

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.

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