3 ms·

I own haswell and haven't felt any performance impact...

• 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 ago
    Haswell and Broadwell introduced INVPCID support, unless there were further undocumented improvements I'm not entirely sure what this is based on.