josh wrote:
> 
> Hi there.
> 
> I've been playing with the POV source for two weeks or so, looking for
> happy things I could do with 3dnow.  Judging by some horribly calculated
> benchmarks and a few passes through CodeAnalyst:
> 
> I think you might be able to get about a 4% speed increase by using
> 3dnow for color operations.  Not everywhere mind you, a small chunk of
> 3dnow in the middle of floating point code is a bad thing.
> 

There was already a previous attempt on that:

Subject: 3D!Now
Date: Sat, 27 Jan 2001 11:06:06 +0100
From: "Daniel Jungmann" <DSJ### [at] gmxnet>
Newsgroups: povray.unofficial.patches

Daniel made a patch, but he did not release it to public.  It uses some
MS-Compiler specific things for implementation.  I recently contacted him
on that, but i got no reply.   

There was quite some discussion in this and some of the following threads
on portability and other things so you might want to read it.  

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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