"Anthony D. Baye" <Sha### [at] spamnomorehotmailcom> wrote:

> it's intended to be indoors, but may be lighted with external (natural) light
> sources.  At the moment, I have six light sources surrounding it.

I'm going to guess that there's your big problem.  Have you tried cutting out
some of the lights and seeing if you get a proportional increase in speed?  In
my experience, multiple lights are bad enough - once you have reflection and
transparency, things get S-L-O-W.

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