Apple has played the M1 game so damn well it's really hard to tease out the core performance improvements. Still hoping someone does a deep dive into instruction timings, memory bandwidth, latencies, energy usage, etc.
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Rosetta 2 is somehow simultaneously amazing new translation technology (it isn't, it's just a really good JIT emulator) but also proof that the M1 is insane because it can beat previous Intel chips Apple used for that range under emulation...
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The M1 GPU looks really interesting too, but what can it really do? Apple's architecture derives from the mobile tile-based world, that's very different from typical PC stuff. Is it better at some things and worse at others?
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Obviously Apple pulled a lot from their software/drivers from the iOS space, which have had years to mature and be optimized (and Apple has put a *lot* of work into that, while GPU drivers are historically vendor-provided and almost universally suck).
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The M1 Mac release is just such a huge pile of little improvements *all around*, some of which would be almost certainly possible on previous x86 chips too, that it's really hard to get at the details. I hope someone does.
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Just remember, there's no such thing as magic. There's good engineering, and there's *caring*. The former is often hard to come across these days, and the latter is, well, increasingly rare. Apple has managed to find a bunch of both for the M1 Macs, and it shows.
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The day RISC supports shader model 5 ... I'll take RISC seriously.
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