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why there are 4 cores per cluster in ARMV8 architecture

RadarSong

Hi experts,

I want to knows why there are 4 core cores per cluster in ARM big.Littte architecture?

Is it possiable if we make more cores per cluster? if not, what is the limitation?

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  • 0 Arm Employee Badge in reply to Ash Wilding

    It's also worth noting that you can have more than two clusters of cores; nothing in the AXI specification limits you to 2, and similarly there are no restrictions on what those clusters are. If you have a design where you want an 8-core Cortex-A53 you could implement multiple clusters of Cortex-A53s to achieve that, for example.

    Cheers,
    Pete

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  • 0 Arm Employee Badge in reply to Ash Wilding

    It's also worth noting that you can have more than two clusters of cores; nothing in the AXI specification limits you to 2, and similarly there are no restrictions on what those clusters are. If you have a design where you want an 8-core Cortex-A53 you could implement multiple clusters of Cortex-A53s to achieve that, for example.

    Cheers,
    Pete

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