Re: Short Vectors Versus Long Vectors

Lawrence D'Oliveiro wrote:

On Tue, 30 Apr 2024 20:31:17 GMT, Scott Lurndal wrote:

ARM doesn't add features just for the sake of adding features, nor does
Intel.

There is such a thing as painting yourself into a corner, where every new feature added to the SIMD instruction set involves adding combinations of instructions, not just for the new types, but also for every single old type as well.

That is the combinational explosion mentioned above.
{Although I would term it the Cartesian Product of types and OPs}
Then contemplate for an instant that one would want SIMD instructions for
Complex numbers and Hamiltonian Quaterions......