7 Things You Need To Know About Spectre And Meltdown Security Exploits

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The Performance Impact On PCs And Servers

Intel says that using industry benchmark testing, the average impact of the mitigations on performance to be between zero and two percent, said Ronak Singhal, Intel Fellow and director of CPU compute architecture at Intel. "A workload that is largely in the user space will see little to no impact," he said.

However, for workloads that spend a lot of time going back and forth between the operating system and the application, some synthetic workloads have shown an impact of 30 percent or more, Singhal said.

Singhal said that Intel does not differentiate the performance impact on a PC vs. in a data center, but instead any impacts are really dependent on the attributes of the workload.

When asked by an analyst about how mitigations to the security issue might impact cloud and data center infrastructures vs. PCs, Intel's Smith replied, "It depends on the workload specifically in use, and a little bit less on where the workload is."

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