>>Having just installed POV-Ray 3.5 on my PowerBook G3, running MacOS
>>10.1.5, I was a bit surprised to see it using only about 50-70% CPU,
>>even with nothing else running and the "Friendliness" set to
>>"Tyrrannical".  This seems to be independent of whether Preview is
>>switched on, or the particular scene file in use.
>>
>>Is anyone else seeing this?
> 
> This is normal. Under Mac OS X no application may hog the whole CPU.
> Thus POV-Ray cannot get as much CPU time as under Mac OS 9.  For this
> reason the documentation/requirements recommend using Mac OS 9 for
> maximum render speed.

I would expect this if other applications were using the CPU, but they 
aren't - there's 30-40% CPU completely unused.  Other Carbon-based apps 
are able to use 100% (or close to that figure) as required.

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