"Alain" <aze### [at] qwertyorg> schreef in bericht 
news:4bf878b3$1@news.povray.org...
>
> POV-Ray's priority on a windows system is set to "lower than normal". It's 
> the task of the OS to attribute CPU cycles. On a quad core, using POV-Ray 
> should not affect any application that have the focus and that start with 
> "Normal" priority increased by the fact that it have the focus. If it 
> causes a problem, you should complain to Microsoft so that they correct 
> the problem.
>
> There is also the possibility that your systen is set to prioritize 
> background tasks.
>

I confess I start to get confused now with the many - sometimes 
contradictory - posts in this thread.

My experience, with POV-Ray 3.7 on a dual core XP machine, with priority set 
to "lower than normal", is that both cores take up the full 100% cpu during 
render, slowing down all other applications having the focus during that 
time. Again, I repeat myself, I seem to remember that Priority was disabled 
during beta development, but I have had no confirmation of that until now.

Thomas

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