AMD P-State v4 Linux Testing On A Ryzen 5 5500U

Written by Michael Larabel in Software on 24 November 2021 at 09:15 AM EST. Page 4 of 5. 14 Comments.
AMD P-State Linux Driver vs. CPUFreq Testing
AMD P-State Linux Driver vs. CPUFreq Testing
AMD P-State Linux Driver vs. CPUFreq Testing

The SVT-AV1 video encoder performance for amd-pstate with the ondemand and schedutil governors trailed the acpi-cpufreq driver, even for the power efficiency.

AMD P-State Linux Driver vs. CPUFreq Testing
AMD P-State Linux Driver vs. CPUFreq Testing
AMD P-State Linux Driver vs. CPUFreq Testing
AMD P-State Linux Driver vs. CPUFreq Testing
AMD P-State Linux Driver vs. CPUFreq Testing
AMD P-State Linux Driver vs. CPUFreq Testing

During code compilation workloads keeping the CPU saturated, there wasn't any measurable performance or power savings difference between the prominent configurations besides obviously the powersave runs.

AMD P-State Linux Driver vs. CPUFreq Testing
AMD P-State Linux Driver vs. CPUFreq Testing

The DeepSpeech performance on amd-pstate trailed acpi-cpufreq for ondemand/schedutil/powersave but with some power-savings for the Ryzen 5 5500U.


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