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Wow! Thanks for finding that! I think I'll just switch it off permanently.
--
Tek
www.evilsuperbrain.com
"Severi Salminen" <sev### [at] NOT_THISsiba fi> wrote in message
news:4054ce51$1@news.povray.org...
> >>> I have no idea what the cause is, but it's *very* annoying!
> >>
> >> It should not double. Most likely what you see is just memory
> >> fragmentation (the message window does take memory!), and if you
> >> have too little memory this will result in increased swapping.
> >
> > I tried to turn text output to minimum with "-GA" but it had no
> > effect (IIRC).
>
> And I didn't recall correctly :) Specifying "-ga" does get rid of the
> slowdown so the message window is the reason for all this. It is
> probably not about memory usage (at least not about swapping) but some
> overhead that just grows and grows.
>
> *Testing...*
>
> Ok, the reason is the statistics stream. By turning it off, the speed
> keeps constant. Maybe it is simply feeding too much stuff for my (or
> any) AMD XP2600+ to keep up or something. I think this is something that
> should be addressed at least in the docs (if there is no direct way to
> "fix" it) as the impact on rendering times is quite considerable.
>
> The odd thing is that it happens also when rendering something that
> takes a lot more time/frame (then there should be enough time to output
> the statistics). Even then the slowdown is happening.
>
> Good thing is that I know how to get rid of it...
>
> Severi
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