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roman19742020-02-21 23:04:52
linux
roman1974, 2020-02-21 23:04:52

How to enable maximum turbo-boost Linux?

Hello! The description of the processor indicates the

Base clock frequency: 3.33 GHz The
maximum clock frequency with Turbo Boost technology: 3.60 GHz

I, following the instructions from the Internet, set it up so that I always have the performance mode. I installed msr-tools and activated the boost through a script. It turns out that earlier my Ghz rose under loads, and in idle time it was 800 or 1600 Mhz. When I did everything according to the instructions from the Internet, all CPUs began to work 24/7 at a frequency of 3.33 Ghz. Please tell me how to make them always work at 3.60 Ghz))

I like everything from me

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4 answer(s)
M
mayton2019, 2020-02-22
@mayton2019

Before the author starts to raise something. Let him listen to my thought. Between 3.33 and 3.6, the difference is about 8%
The overall system performance index depends not only on the processor, but in general on the combined work of all parts (memory response and speed of L1/L2/L3 caches). If you simply increase the CPU frequency but do not change anything else, then the effect is leveled. The expected increase of 8% will not happen. There will be less.
Even if we hypothetically assume that the author raised the frequency to 5Ghz, then in this case there will be no doubling of the performance.
In general, listen to the old programmer in C ++ and other assemblers. Don't waste your time on bullshit. Your game or rendering of 3D graphics won't make much of a difference. In return, you will get potential problems. After all, the manufacturer was not going to make the non-standard mode nominal. This made sense.

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vaut, 2020-02-21
@vaut

The maximum boost can usually only work on one core.
Look through i7z (if you have intel) how the cores are loaded and raise the frequency.

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Drno, 2020-03-15
@Drno

Not the fact that fools. For example, in the same hatzner you can take KVM - and do whatever you want with the BIOS.
On the question - LEAVE YOU STANDARD CPU SETTINGS !!!
The OS and the application itself will determine when and where to give out power.
The fact that you have a percentage right now shovels 100% constantly - it makes no sense - maybe if there is no load, then you will not see the effect. And if there is - the percent will go to 100% + boost anyway.
And in terms of boost - most likely 3.6 - boost per core ... Is the CPU old apparently? What model?

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bodzey, 2020-11-09
@bodzey

https://horhul.me/2018/02/vklyuchenie-i-otklyuchen...
here is a well described way to check the operation of the turbo boost and how to raise it

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