Looking At The Linux Performance Two Years After Spectre / Meltdown Mitigations
Written by Michael Larabel in Software on 13 January 2020 at 12:10 PM EST. Page 8 of 11. 36 Comments.
A look at the code compilation impact on Ubuntu 20.04 LTS from these default mitigations while fortunately the latest-generation Xeon Platinum 8280 performance was unchanged.
Even Perl performance is affected by Spectre / Meltdown.
Various operations of the GNU C Library remain slower on pre-Cascadelake as a result of the mitigations.