Wow, hey, large difference in the render time for those two.  I didn't think
there would be any significant change.  Must be a Mac thing.
Just tried it myself and got a 9 sec parse with 3 sec again for render in
MegaPOV for Windows (although the =render= time has switched between 2 to 4
seconds on successive trials).

Bob

"Chris Huff" <chr### [at] yahoocom> wrote in message
news:chrishuff_99-375B5B.07144329121999@news.povray.org...
> In article <38698759.90BDCD6B@pacbell.net>, lin### [at] povrayorg
> wrote:
>
> > Benchmark testing generaly relies on the amount of time it takes
> > to render a given scene. If one were to design a scene that was
> > parsing intensive rather than render intensive how well would it
> > evaluate a systems performance ?
> >
> > For example I designed this scene to take exactly 30 sec. to parse
> > on my system. There is a camera added simply to ensure that it was
> > not pointed at any object and there are no lights added so that I
> > rendered a black screen only. Render time at 640x480 with aa = 0.3
> > was only 8 sec. which is inconsequential. A pigment was added to
> > the object to ensure that no CPU cycles were spent on sending no
> > pigment warnings messages to the message window for each object
> > created by the scene code.
> >
> > camera {location < 0, 0, -3 >look_at  z*-6}
> >
> > #declare A = 0;
> >   #while (A<29500)
> >     sphere{<0,0,A>,1 pigment{rgb 1}}
> >   #declare A=A+1;
> > #end
>
> With the official 3.1g.r2, cache set to maximum:
> Time For Parse:    0 hours  0 minutes  13.0 seconds (13 seconds)
> Time For Trace:    0 hours  0 minutes   8.0 seconds (8 seconds)
>     Total Time:    0 hours  0 minutes  21.0 seconds (21 seconds)
>
> With MacMegaPOV:
> Time For Parse:    0 hours  0 minutes  14.0 seconds (14 seconds)
> Time For Trace:    0 hours  0 minutes   1.0 seconds (1 seconds)
>     Total Time:    0 hours  0 minutes  15.0 seconds (15 seconds)
>
> My computer is a Power Macintosh G3 266 "beige" desktop, with  96MB RAM,
> booting from an external SCSI 9.1GB LaCie hard drive. The OS I ran these
> tests under is Mac OS 8.6(I haven't gotten Mac OS 9 yet, and have been
> too busy to do anything with LinuxPPC).
>
> I would suggest a scene file that does some more complex calculations
> instead of just creating a bunch of objects.
>
> --
> Chris Huff
> e-mail: chr### [at] yahoocom
> Web page: http://chrishuff.dhs.org/

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