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sylware

So why the 2nm x86 chips are clocked so low?

Why couldn't they be 6GHz? x86_64 ISA did it again?

That said IBM should add RISC-V support.

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The AMD Zen 6 line is targeting 7GHz in the upcoming releases, on 2nm, so......

Last time I read something about Zen6 it was 6GHz.

So I guess the IBM stuff is "server slow" then.

I wish RISC-V microarchitectures would get access to 2nm silicon processes, because RISC-V at 7GHz... yummy.

There was a card just detailed on Hot Chips that used a whole bunch of RISC-V CPUs on 2nm to run at 1.8GHz, but really low power, for compute on a CXL card that could also have SSDs for cached storage.

So, don't assume they would crank up the GHz.

There will be RISC-V implementions specific to many use cases of CPUs.

I have to admit we were more in the "desktop" use case, then the 7GHz (I don't know how they will manage to keep the backend reasonably fed without severe speculation though).

Speed is frequency times instructions per clock, modulated by pipeline stalls.

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