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Does anyone know of a build of POV 3.1 that uses the 3DNow floating point
support on AMD K6-2 & K6-3 processors?
Many thanks,
Duncan Webb
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Duncan Webb wrote:
>
> Does anyone know of a build of POV 3.1 that uses the 3DNow floating point
> support on AMD K6-2 & K6-3 processors?
>
> Many thanks,
>
> Duncan Webb
I have heard a lot of people ask about it but I have never heard of anyone
actualy doing anything about it.
--
Ken Tyler
See my 1000+ Povray and 3D Rendering and Raytracing Links at:
http://home.pacbell.net/tylereng/index.html
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AFAIK, no support for any of this has been added. Apparently, it is because
the FP that these processors (like the Pentium III) add is single-precision,
not double-precision like POV uses, so it doesn't benefit from it. I believe
I've heard some mention that small parts of POV might be able to be
accelerated, but nothing substantial. Another alternative was to compile
with a compiler that optimizes the compiled executable for these processors.
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OK, no problem. I'm tempted to download the AMD SDK (a mere 28Mbytes - time
to get a faster modem then!) and have a look at the POV sources.
Thanks for responding,
Duncan
TonyB wrote in message <37e3b466@news.povray.org>...
>AFAIK, no support for any of this has been added. Apparently, it is because
>the FP that these processors (like the Pentium III) add is
single-precision,
>not double-precision like POV uses, so it doesn't benefit from it. I
believe
>I've heard some mention that small parts of POV might be able to be
>accelerated, but nothing substantial. Another alternative was to compile
>with a compiler that optimizes the compiled executable for these
processors.
>
>
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It might be good for low-quality test renders...?
TonyB <ben### [at] panama phoenixnet> wrote in message
news:37e3b466@news.povray.org...
> AFAIK, no support for any of this has been added. Apparently, it is
because
> the FP that these processors (like the Pentium III) add is
single-precision,
> not double-precision like POV uses, so it doesn't benefit from it. I
believe
> I've heard some mention that small parts of POV might be able to be
> accelerated, but nothing substantial. Another alternative was to compile
> with a compiler that optimizes the compiled executable for these
processors.
>
>
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>It might be good for low-quality test renders...?
God willing... maybe yes... I've not programmed in a long time, and even
then, only for DOS with DJGPP and Allegro.
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