Re: FPE Demand?

[dempson@atlantis.actrix.gen.nz (David Empson)]

In article <3ft7da$d0o@gap.cco.caltech.edu>,
Nathan Mates <nathan@cco.caltech.edu> wrote:
> 
>    Orca compatability? Orca won't be sped up much at all by a
> _Floating_Point_ accelerator. (Read: it'll take the sine of 2.5 faster
> than unaccelerated.)

Is that all?  I would have expected a greater speed improvement.

>    If you mean compatability with Orca compiled stuff, it should be
> transparent with everything that does things the legitimate way.
> (FTA demos and such won't be accelerated since they don't use floating
> point).

ORCA/C and ORCA/Pascal have special compile options to generate code
which calls the FPE directly, bypassing SANE, and saving the 100-odd
clock cyles required for the toolbox call overhead.


-- 
David Empson
dempson@actrix.gen.nz
Snail mail: P.O. Box 27-103, Wellington, New Zealand