Thorsten Froehlich <tho### [at] trfde> wrote:
> In essence x86 is the only architecture where more than sqrt is still
> supported in microcode hardware. Doing this in software is much more
> desirable and efficient.

It may be more efficient in terms of microprocessor die use - a waste of
silicon, so to speak. But while it's there, I doubt that it is inefficient to
use it.

As it is yet another kind of execution unit, using it in *addition* to SSE2 may
even be another notch faster.

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