On Tue, 30 Sep 2025 16:46:48 -0400 Michael Stone <[email protected]> wrote:
> On Tue, Sep 30, 2025 at 01:25:06PM -0400, Jeffrey Walton wrote: > >The 80-bit, 128-bit, 256-bit, 512-bit and friends are the size of > >registers in coprocessors, like the x87 math coprocessor, the SSE > >coprocessor, the AVX coprocessor, etc. > > None of those are coprocessors on amd64; x86 hasn't used math > coprocessors since the late 80s. So this is a matter of choosing to > ignore parts of the CPU because they don't fit the model. :) > What is a GPU today if not a maths co-processor? Historical note: the first ARM computer was a co-processor for the BBC Micro. -- Joe

