[SOLVED] what is difference between performance and frequency of processers

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[SOLVED] what is difference between performance and frequency of processers

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10-26-2022, 07:46 AM

#16

zeebra

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Registered: Dec 2011

Distribution: Slackware

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Rep:

Quote:

Originally Posted by Ansen

Thanks All for answers.
According to the documents you have provided and analyzing source code of Linux, I think Performance is a mathematical abstraction and an intermediate variable used for calculating.

"Performance" is a CPU frequency scaling "governor", and yes, a mathematical formula for how your CPU will scale. With Intel_Pstate you only have a few governors "performance" and "powersave", while with another driver acpi-cpufreq, you have 6 governors, all different mathematical formulas for how your CPU frequencies will scale.

IMO both "performance" and "powersave" are terrible options and Intel_pstate sucks.

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