On 6/21/22 13:10, Matthew Miller wrote:
Phoronix credits this to those distros shipping with P-state Performance by default.
Yes, but I doubt that for several reasons: First, it's a claim without evidence. That setting isn't the only difference between any two systems tested. Second, the claim doesn't make any *sense*. Systems with intel_pstate balanced aren't supposed to be noticeably slower for sustained CPU intensive workloads. The intel_pstate driver is supposed to scale the frequency up under load in the "balanced" configuration, delivering performance when it is needed and power saving when it isn't. Third, I can run their tests on my own system in an intel_pstate performance mode and an intel_pstate balanced mode, and the test results are nearly identical, which is the expected outcome.
If no one else does any testing sooner, I'll try to build an x86_64-v2 glibc and run some basic benchmarks when I take some time off of my day job at the beginning of July.
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