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Looking At The Linux Performance Two Years After Spectre / Meltdown Mitigations

Submitted by Rianne Schestowitz on Monday 13th of January 2020 09:38:33 PM Filed under
Graphics/Benchmarks

Last week marked the two year anniversary since the formal public disclosure of the Spectre and Meltdown disclosures. To commemorate that anniversary, I was running some fresh benchmarks of various Intel desktop and server processors with the in-development Ubuntu 20.04 LTS to look at the performance impact today with the default CPU vulnerability mitigations and then again with the mitigations disabled at run-time.

A daily snapshot of Ubuntu 20.04 LTS was used as of last week for offering the very latest look at the Linux performance two years after Spectre/Meltdown entered the public spotlight. Ubuntu 20.04 LTS right now is running on a Linux 5.4 based kernel, GCC 9.2.1, and the other latest stable packages.

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