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nemesis nous apporta ses lumieres en ce 2008/01/27 20:20:
> so, any free time in your hands? want to put that quad core to stress with
> povray 3.7beta? If you're, try the little scene below. With +AM2 +A0.04 +J1.0
> 1024X768 on a P4 2.66, it just brought my PC to a crawl for the whole weekend!
> It all began with a challenge in a brazilian forum, when some guy claimed this
> scene:
> http://200.213.105.41/greysilica/exemplos/cjcopojateado.png
>
> took him 48 hours to render with Blender internal renderer.
>
> Surely something was wrong, or so I thought. Well, in the region between the
> bottom of second row cups and the top of first row cups, render time was about
> 11 minutes a line! It is all about refractions, normals and fresnel
> reflections. 40 hours total on a P4 2.66 with povray 3.6.1...
>
> I'm sure it's possible to optimize it with some no_image, no_shadow trickery
> with doubles and no_reflection in the main cups, but I didn't thought of it
> beforehand!
>
Just rendered here with 3.7.
LOT faster with +am2 +a0.3 at 1360*1024 AMD Athlon TBird 1400MHz.
Added adc_bailout 0.013.
Render time: 1:48:15.
Only thing, your glasses look much darker.
--
Alain
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Documentation; The worst part of programming.
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