3 ms·
> For context, on newer CPUs such as on Skylake and > beyond, Intel has refined the instructions used to > disable branch speculation to be more specifi
by teamhappy 9y ago
> For context, on newer CPUs such as on Skylake and
> beyond, Intel has refined the instructions used to
> disable branch speculation to be more specific to
> indirect branches, reducing the overall performance
> penalty of the Spectre mitigation.
https://cloudblogs.microsoft.com/microsoftsecure/2018/01/09/understanding-the-performance-impact-of-spectre-and-meltdown-mitigations-on-windows-systems/ https://cloudblogs.microsoft.com/microsoftsecure/2018/01/09/...
- dogma1138 9y agoHaswell and Broadwell introduced INVPCID support, unless there were further undocumented improvements I'm not entirely sure what this is based on.