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0e1f616
(Get the code!)
I redid the Phoronix Stress-NG 0.16.04: Socket Activity test, the one that showed such a dramatic difference in their test. I increased the number of test runs from 3 to 10 and time per run from 30 to 60 seconds.
I got:
250Hz kernel (generic): 6608.74 Bogo Op/s, Deviation 0.56%
1000Hz kernel (lowlatency): 6591.27 BOgo Op/s, Deviation 0.39%, 0.3% performance degradation
My kernel was mainline 6.8-rc1 using Ubuntu kernel configurations.
I posted about this on the Phoronix thread.
By the way, for readers that do not have the Phoronix stuff installed, I think the equivalent direct stress-ng command is:
stress-ng --sock -1 --no-rand-seed --sock-zerocopy --timeout 2m --metrics-brief