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AMD could enter ARM market with Sound Wave APU built on TSMC 3nm process

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283 points walterbell | 2 comments | 31 Oct 25 03:07 UTC | HN request time: 0.434s | source
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heavyset_go ◴[31 Oct 25 08:00 UTC] No.45769401[source]▶
I want a hybrid APU, perhaps an x86 host with ARM co-processors that can be used to run arm64 code natively/do some clever virtualization. Or maybe the other way around, with ARM hosts and x86 co-processors. Or they can do some weird HMP stuff instead of co-processors.
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1. GCUMstlyHarmls ◴[31 Oct 25 08:30 UTC] No.45769593[source]▶
Im too dumb to know why?

Why have both to run native arm64 code? Nearly anything you'd want is cross compiled/compilable (save some macOS stuff but that's more than just CPU architecture).

My understanding is that ARM chips can be more efficient? Hence them being used in phones etc.

I guess it would let you run android stuff "natively"?

Or perhaps you imagine running Blender in x64 mode and discord in the low wattage ARM chip?

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2. heavyset_go ◴[31 Oct 25 22:08 UTC] No.45777224[source]▶
I imagine running ARM code on ARM cores would be more efficient than running them on x86 with or without compatibility extensions, and vice versa.

Instead of always playing catch-up platform-wise for compatibility, just embed the ISA platforms into the chips themselves.

As for why: because I'm not abandoning x86 any time soon and this would ease ARM transition. I also think it would set a foundation for hardware-based secure virtualization across platforms.