On: The Secret Apple M1 Coprocessor

[rrss]

I would guess yes, but don't really have any idea.

To clarify, though, the changes introduced in newer SIMD extensions are rarely just a width increase. AVX-512, for example, increased the width from 256-bit to 512-bit, but also brought some substantial programmability improvements.

[xiphias2 → rrss]

Maybe it's true, but as it can decrease the clock rate, I would never use it, because it completely destroys the predictability of runtime.

Linus was quite angry about it for a good reason.