[Bf-committers] Render time doubled from 2.41 to current CVS version when using raytracing?

Ton Roosendaal ton at blender.org
Fri May 19 13:03:08 CEST 2006

Hi Stephane,

The only reason I can think of is that raytracing uses diferent options  
now... however, a testing file rendering in 30 minutes isn't very  
useful for test.
You can help me by testing different simple setups and evaluate which  
of the features causes the longer render time.



On 18 May, 2006, at 21:05, Stephane SOPPERA wrote:

> Hi,
> I noticed that for the following picture:
> http://stephane.soppera.googlepages.com/blender
> the render time with blender 2.41 is 14 minutes
> and with current CVS blender it is 30 minutes.
> So it seems that the render time has doubled between the two version.
> For this image I'm using raytracing.
> Is there any reason for this? Did I make a mistake or is this a known  
> problem?
> Please note that I'm using the same file for my tests with 241 and CVS  
> versions, so I'm not using composition or advanced material nodes.
> The CVS version I use is my own build using VC7.0 and scons. It's a  
> build in optimized mode, not a debug one.
> Thanks in advance for answers,
> Stéphane SOPPERA
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Ton Roosendaal  Blender Foundation ton at blender.org  

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