An Early Look At The Linux 4.16 Kernel Performance With AMD EPYC
Written by Michael Larabel in Software on 10 March 2018. Page 4 of 4. 2 Comments

The GIMP image manipulation program saw some measurable performance slowdowns on Intel with the Spectre/Meltdown mitigation, but on the AMD side there isn't much of a difference.

The Redis performance also doesn't appear affected for EPYC.

The Stress-NG synthetic kernel benchmark does indicate slower performance in general with the Linux 4.16-based kernel than 4.14/4.15.

The socket activity performance is actually higher since Linux 4.15.

The Apache web server performance was affected by Linux 4.15+ with its Spectre mitigation but disabling Retpolines does boost the performance albeit not to the 4.14.0 performance level.

If you want to compare the performance to the recent Intel kernel tests, you can find those numbers in that article. More Linux 4.16 kernel benchmarks in general from a variety of systems are forthcoming on Phoronix.

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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 or contacted via MichaelLarabel.com.


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