Memory Split on Raspberry Pie 2

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This topic contains 3 replies, has 3 voices, and was last updated by Profile photo of emexrulsier emexrulsier 2 years, 1 month ago.

Viewing 4 posts - 1 through 4 (of 4 total)
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  • #87813
    Profile photo of danny197
    danny197
    Participant

    Hi,

    Could someone please explain to me what memory split means? I don’t understand what the memory is actually being split with.

    Also what should I be using on the new Raspberry Pi 2? I read somewhere that I could use a 50/50 split. Does this mean I should use 512?

    Thanks.

    #87815
    Profile photo of Mutex
    Mutex
    Participant

    The raspberry pi has 256/512/1024 MB of RAM. That RAM is split between your CPU und the graphics chip. So a 128/128 split on a rpiA means that 128 mb of your RAM are reserved for your graphics chip. Some applications need a minimum amount of ram reservered for your cpu/gpu.

    What you should use depends on what you want to do with your pi. In Retropie you normally don’t need a 50/50 split on a rpi2. The biggest consumer for your gpu is emulationstation which needs atleast 256 mb of gpu-ram. Most emulators are more cpu heavy than gpu heavy, so having more ram for your cpu is good. The default mem-split set in the retroarch setup script is 384 mb for your gpu, which is plenty enough.

    #87819
    Profile photo of danny197
    danny197
    Participant

    Thank you very much, I have a better understanding now.

    #92369
    Profile photo of emexrulsier
    emexrulsier
    Participant

    Is it worth giving more memory to the CPU before performing any large scrapes?

Viewing 4 posts - 1 through 4 (of 4 total)

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