Up to 54% Performance Loss for AMD Processor Vulnerability Patching! but only 1.5% on average.

n recent years, the two major security vulnerabilities, Meltdown and Spectre, have not only impacted the entire CPU processor industry, but especially the Spectre vulnerability, which has many versions and new variants.
Recently, researchers from Intel and Dutch University have discovered a Spectre V2 ghost vulnerability version, which is a branch history injection (BHI) that can bypass some patches.