On Tue, May 05, 2020 at 07:55:43AM -0700, Alexander Duyck wrote: > One question about this data. What is the power management > configuration on the systems when you are running these tests? I'm > just curious if CPU frequency scaling, C states, and turbo are > enabled? Yes, intel_pstate is loaded in active mode without hwp and with turbo enabled (those power management docs are great by the way!) and intel_idle is in use too. > I ask because that is what I have seen usually make the > difference in these kind of workloads as the throughput starts > dropping off as you start seeing the core frequency lower and more > cores become active. If I follow, you're saying there's a chance performance would improve with the above disabled, but how often would a system be configured that way? Even if it were faster, the machine is configured how it's configured, or am I missing your point?