Today we're exploring the impact disabling Hyper-Threading has on Intel processors. We've done this in the past and it's an interesting test, however there are new incentives to check this out due to the newly discovered side-channel vulnerabilities affecting Intel processors and their impact on Hyper-Threading.
Today we're taking a look at the impact addressing the Spectre 'Variant 4' CPU flaw has on Intel's 8th-gen Core CPUs. The initial Meltdown and Spectre patches didn't take care of everything and just recently Intel and Microsoft have rolled out updates to address Variant 4 a.k.a. 'Speculative Store Bypass'.