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I get It isn't directly this simple. But really most CPUs are risc cores with a hardware instruction set decoder. Considering how fast Apple and others designe

I get It isn't directly this simple. But really most CPUs are risc cores with a hardware instruction set decoder. Considering how fast Apple and others designed arm chips for the mobile market, and there isn't that much difference between a mall mobile CPU for a smartphone and a full scale desktop CPU, I would think the barrier entry to x86 isn't that high if the US swept away any patent lawsuits. But maybe we should just push the transition to arm now from x86. We are remarkably close to this already between AWS arm instances, mobiles, and Apple laptops. With the embarrassment of riches and silicon, It wouldn't shock me if mixed arm and x86 execution cores we're packaged together.

Sparkyte 2y ago
In terms of efficiency having mixed cores would be excellent. You can rely on ARM for lightweight system operations and where advanced instructions come to play like AVX-512 use x86-64. The problem as it was told to me was that you run into the different relationships they have with memory and hardware. I would love the boundary to be torn away. To idle at 5 watts while streaming and use 20watts while gaming ( a serious non-mobile game ).
- AtlasBarfed 2y ago
  Memory is almost stupid cheap, so have different channels/banks for the different architectures?