The Spectre/Meltdown Performance Impact On Linux 4.20, Decimating Benchmarks With New STIBP Overhead
Written by Michael Larabel in Software on 17 November 2018. Page 3 of 11. 60 Comments

Code compilation speed benefits by a small amount when these mitigations were disabled.

When disabling Spectre/Meltdown protection, the PostgreSQL read performance on the Core i9 7980XE box improved by 19%.

The GIMP open-source Photoshop alternative program is one of the applications affected a small amount by these mitigations.

The context switching overhead from these protections is easily shown by the Stress-NG kernel benchmark.


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