Linux 5.9 Performance Is Off To A Great Start With FSGSBASE Boost
Written by Michael Larabel in Software on 10 August 2020. Page 3 of 3. 8 Comments

As shown in the past, AMD CPUs with FSGSBASE also benefit. Here are some early results on an AMD Ryzen 5 3600XT

Stay tuned for more Linux 5.9 benchmarks of FSGSBASE and other areas once the Linux 5.9 merge window has passed in order to being able to better assess the overall performance impact especially compared to the likes of Linux 5.8 or comparing the FSGSBASE performance to the performance on CPUs not mitigated for security mitigations impacting the context switching performance, etc.

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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter or contacted via

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