A Look At The CPU Security Mitigation Costs Three Years After Spectre/Meltdown

Written by Michael Larabel in Software on 6 January 2021 at 03:17 PM EST. Page 7 of 9. 26 Comments.
3 Years CPU Security Mitigations
3 Years CPU Security Mitigations
3 Years CPU Security Mitigations
3 Years CPU Security Mitigations

If using the Linux kernel's perf benchmarks or stress-ng for testing primitive kernel performance like for system calls, there is a measurable difference across all processors tested but especially gruesome for the (older) Intel CPUs without any hardware protections.

3 Years CPU Security Mitigations

The context switching performance for Intel CPUs regressed hard back in January 2018...

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