The Desktop CPU Security Mitigation Impact On Ubuntu 20.04

With Ubuntu 20.04 due for release next week, here is a look at how the various CPU vulnerability mitigations compare on that latest Linux software stack when comparing the out-of-the-box mitigations for Spectre, Meltdown, and friends, compared to booting with "mitigations=off" for disabling those mitigations. The desktop tests were done with Intel and AMD processors for reference.