Your test might not be a good indicator of rendering speed differences.

I didn't notice until you pointed out that some of the scenes use
radiosity that your command line also includes mosaic preview options. 
There's a bug in the windows code that causes the mosaic preview to take
much extra time due to backtracking on display of the percent bar.

You should try it without the mosaic preview or radiosity.

-Mike

Fran & Melissa wrote:
> 
> Daren Scot Wilson wrote in message <36C5D516.29C98CDA@pipeline.com>...
>     .... Snipped
> >
> >Can you explain why the first set of scene files show a dramatic
> difference,
> >while the irtc scenes show less, some almost no difference?
> >
> >--
> >Daren Scot Wilson
> 
> From what I could see, was with scenes that had a longer parse time, didn't
> get as big an improvement. Prob, due to the lots of memory allocations for
> all of the objects....
> 
> Also I think that 2 of the test scenes, used Radiosity...
> 
> Its_cold was one, and I think Dragwat/water.pov was the other one.....
> 
> BTW, the speed difference was greater than I expected as well. I was only
> hopeing for around 10% at the most...
> 
> Now All I want to try is a IDE that can be set to use POV for it's
> 'complier'.
> There is a good one for Gnome that I'm going to try out...
> 
> Cheers Fran..

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