I've stumbled upon what I think is an interesting discovery.

I have a scene with a mesh created with a loop. Each time the loop has
to do a rather complex calculation on four points. To save me typing and
make it easier to make changes I put the calculation in a macro with a
couple of parameters that would slightly change for each point (five to
be exact). This way the scene took over 43 minutes to parse (AMD K6
500Mhz). I think the macro was called about a million times.

After some renders I decided to put the calculation back into the loop.
This way you get four times more or less the same code but I thought it
might be easier on the parser because it didn't have to jump to another
line each time. The result was stunning: parsing time now was slightly
over 16 minutes!

I'll keep that in mind in the future...

Remco

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