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Updated Patches For AMD "Fast CPPC" To Yield Higher Performance At Same Power Level

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  • brent
    replied
    Isn't it also (or even mostly) a platform level feature? If you want to switch frequency and voltage very quickly, you need regulators capable of that.

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  • geerge
    replied
    Originally posted by Anux View Post
    No, the mobile cores have the exact same Zen 4 design. Just monolithic and less L3. Zen+ was a slightly different arch from Zen (cache layout, clocking mechanism).
    They have the same cores, but they had to tape a new die design. What that means for CPPC I have no idea.

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  • Anux
    replied
    Originally posted by geerge View Post
    The mobile parts which have monolithic silicon with a different design, AFAIK.
    No, the mobile cores have the exact same Zen 4 design. Just monolithic and less L3. Zen+ was a slightly different arch from Zen (cache layout, clocking mechanism).

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  • geerge
    replied
    Originally posted by aerospace View Post
    "Some Zen4 processors" so basically there's a Zen4+ floating around?
    The mobile parts which have monolithic silicon with a different design, AFAIK.

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  • aerospace
    replied
    "Some Zen4 processors" so basically there's a Zen4+ floating around?

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  • Kjell
    replied
    Would love to see a fresh round of benchmarks with CPPC + AMD P-State + Preferred Core + various scaling governors to showcase the setup with highest performance per watt
    Last edited by Kjell; 26 May 2024, 01:57 PM.

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  • euduvda
    replied
    Nice! 👍

    My 7640HS PRO laptop thanks everyone involved and asks to keep working for complete Linux support.

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  • Updated Patches For AMD "Fast CPPC" To Yield Higher Performance At Same Power Level

    Phoronix: Updated Patches For AMD "Fast CPPC" To Yield Higher Performance At Same Power Level

    One of the patch series that sadly was not ready in time for the Linux 6.10 merge window and thus will need to wait a few months for at least the next kernel is enabling AMD Fast CPPC support for Zen 4 processors. Fast CPPC aims to allow the processor to deliver higher performance at the same power consumption...

    Phoronix, Linux Hardware Reviews, Linux hardware benchmarks, Linux server benchmarks, Linux benchmarking, Desktop Linux, Linux performance, Open Source graphics, Linux How To, Ubuntu benchmarks, Ubuntu hardware, Phoronix Test Suite
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