this post was submitted on 27 Nov 2023
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What can a cpu core do that a gpu core can't do? (alien.top)
submitted 1 year ago by [email protected] to c/[email protected]
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Afaik, gpu cores a very stripped down cpu cores that do basic math, but what sort of math can cpus do that gpus can't

I'm talking, cpu core vs Tensor/Cuda cores.

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[–] [email protected] 1 points 1 year ago

what sort of math can cpus do that gpus can't

that's really restricting the problem space. Obviously (?) math wise it's the same thing: both of them can flip bits and arrange this bit flipping in ways useful for mathematics.

But CPUs are not just math. They always had I/O, almost always had interrupts, for many decades now they had protection rings and virtualization is now really common (Intel/AMD released support in 2005/2006). These are all supported in the instruction set.