On 10/03/18 01:23, David Ranch wrote:
Thanks for the news!
Now the next big question, taking a kernel compile as the use case: does
anyone have any benchmarks on the built time pre and post BIOS, CPU
Instruction, and Compiler fixes say for a non-cutting edge CPU from Intel?
--David
> STATUS: NOT VULNERABLE (Mitigation: Full generic retpoline)
Hi David,
We have not done any specific performance measurements, but I note a
couple of Red Hat articles on the subject:
https://access.redhat.com/articles/3307751
https://access.redhat.com/articles/3311301
and there could be further differences between RHEL and elrepo kernels
which may or may not be Meltdown/Spectre/retpoline related.
Google will no doubt find you more articles, and you now have the tools
to make your own assessment for the throughputs and benchmarks that
matter to you.
The only benchmark I routinely run is glmark2 for our nvidia driver
releases and I haven't observed any measurable differences pre/post
Meltdown/Spectre that do not fall within normal tolerances of the tests.
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