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PostPosted: Mon Jun 29, 2009 2:04 pm 
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Joined: Fri Dec 22, 2006 8:46 pm
Posts: 229
I've got a render taking forever at the Voxelization stage ("Start Voxelization").
There are SSS and displacement materials in there, and the polygon count is around 620 000...
Is this too high ?

Thanks !


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PostPosted: Mon Jun 29, 2009 2:19 pm 
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afaik, no parameters do - scene complexity, # of instances...these are what determines it. If it's taking a long time, it may be due to the presence of intersecting instances, so you could try checking on that.

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PostPosted: Mon Jun 29, 2009 2:21 pm 
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Check that you're not using adaptive in the displacement settings, or lower the precision setting and see. What are your displacement settings and texture size for the displacements?

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PostPosted: Mon Jun 29, 2009 4:51 pm 
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Joined: Fri Dec 22, 2006 8:46 pm
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Thanks guys.

After making a few tests, I think displacement is the cause.
Lowering the precision and unchecking "Adaptive" did the trick.

Would it be possible to make the render log a bit more specific about what is taking up computing time ?

Cheers,


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PostPosted: Mon Jun 29, 2009 7:48 pm 
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Joined: Sat Feb 24, 2007 11:50 pm
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It's actually before voxelization that the displacement calculations happen. And this process is not multi-threaded. You will notice that once it starts voxelization, the process becomes multi-threaded. It is a request I have put in a few times to make these displacement calcs use 100% of my cores instead of 12.5%... Hint hint HINT. :mrgreen:

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