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so then we think about what makes Apple's M1 so good. one hard-to-replicate factor is that they designed their hardware and software together, the ops which MacOS uses often are heavily optimized on chip.

but one factor that you can replicate is colocating memory, CPU, and GPU, the system-on-chip architecture. that's what Nvidia looks to be going after with Grace, and I'm sure they've learned lessons from their integrated designs e.g. Jetson. very excited to see how this plays out!



> one hard-to-replicate factor is that they designed their hardware and software together, the ops which MacOS uses often are heavily optimized on chip.

Not really, they are still just using the same ARM ISA as everyone else. The only hardware/software integration magic of the M1 so far seems to be the x86 memory model emulation mode, which others could definitely replicate.

> but one factor that you can replicate is colocating memory, CPU, and GPU, the system-on-chip architecture.

AMD introduced that in the x86 world back in 2013 with their Kavari APU ( https://www.zdnet.com/article/a-closer-look-at-amds-heteroge... ), and it's been fairly typical since then for on-die integrated GPUs on all ISAs.




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