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On Sun, 06 Dec 1998 10:49:28 -0800, Ken <tyl### [at] pacbell net> wrote:
> I can't imagine that having the gui priority set
> to highest, with Pov the only program running, will greatly
> if at all, impact the render time of a scene. Especialy if
> that scene is going to take a long time to reneder anyway.
>
> Is there fault in my understanding of these setting and if
> so what ?
>
Yes. The fault lies in assuming that nothing else is running.
Even a very clean machine has at least one other obvious task
running; that would be Explorer. Also, there are a few
normally-invisible system threads as well. For example, my
current win98 environment has 4 Explorer threads, 8 Kernel32
threads, 1 mprexe thread, 1 mmtask thread, 1 taskmon thread,
and 1 systray thread in addition to the things I can trace
to apps I consciously ran (such as McAfee VirusScan). Many
of these threads are at 'normal' priority so they get the
same-size timeslice as does POV running at normal priority
(assuming they want input or have something else to do.)
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