Changing L3 Cache Solved

  1. AS185's Avatar
    Posts : 48
    Windows 10 Home 64-bit, 1803
       06 Mar 2018 #1

    Changing L3 Cache

    I have viewed through all 14 pages in performance & maintenance tutorial's but I haven't found the thread for changing L3 cache in Windows 10 environment. Anyone know how to change this? :)
    Sorry for making a thread where the same question was asked but I don't feel like viewing more than 512 pages
      My ComputersSystem Spec

  2.    06 Mar 2018 #2

    The L3 cache is built into the CPU itself and it's size is an inherent characteristic. It cannot be changed.
      My ComputerSystem Spec

  3. AS185's Avatar
    Posts : 48
    Windows 10 Home 64-bit, 1803
    Thread Starter
       07 Mar 2018 #3

    Yes, that's right. I'm asking on how to change it in Windows 10? I know there was a way to manipulate in Win 7/8 through regedit. I doubt that, by default it's set to 32mb.
      My ComputersSystem Spec

  4.    07 Mar 2018 #4

    The L3 cache is special memory built into the CPU package. There is no setting anywhere that can change it's size. Even Intel or AMD could not change this for an existing CPU.

    There is a registry setting referring to the L2 cache that is sometimes mentioned in Internet articles. Maybe that is what you are referring to. It's purpose was to tell Windows the size of the L2 cache which it used to make some minor optimizations. But the setting was only needed for some very old CPUs that are incapable of running Windows 10 anyway. In modern CPUs Windows is able to obtain this information from the CPU itself and does so routinely. The full size of the cache is always known to and used by the CPU.

    There were many Internet articles that got this wrong in various ways. I will not mention it's location here as it would serve no useful purpose and may cause confusion. I doubt that Windows 10 even reads the setting if it was crested.
      My ComputerSystem Spec

  5. AS185's Avatar
    Posts : 48
    Windows 10 Home 64-bit, 1803
    Thread Starter
       08 Mar 2018 #5

    Ok, well then I guess you can't change it. Thanks for clarifying :)
      My ComputersSystem Spec


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