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Old 10-03-2010, 02:53 PM   #1
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Unhappy VRAY_error: UNHANDLED EXCEPTION: Memory allocation vray

Hi guys
I am using 3ds Max 2009 SP1 with Vray. While rendering I am getting this error:

“UNHANDLED EXCEPTION: Memory allocation failure; 560000 bytes requested; 1334569212 bytes already in heap.Last marker is at .\src\vrayrenderer.cpp, line 1682: Preparing ray server Please note that although this error is generating by V-Ray, it may not be V-Ray that caused it. etc...”
I don’t know y this error is coming and what does it mean. My system configuration is:

Win XP 32
4 GB Ram
Memory: 3070MB RAM
Page File: 2088MB used, 2867MB available
DirectX Version: DirectX 9.0c (4.09.0000.0904)
Grahic Card: AMD FireStream 9170
Display Memory: 2048.0 MB
Please tell me y this problem is coming and the solution also.
Rajesh Juneja
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Old 01-05-2012, 08:58 PM   #2
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There are three reasons...

1. Texture size : some times v ray can not handle big textures... decrease texture size using photoshop.

2. If total polygons in scene are more than 20 laks..

3. Increase virtual memory of your system and change os to 64 bit

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Old 01-05-2012, 10:24 PM   #3
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The error is related to memory allocation, which occurred while compiling the geometry in your scene( or while loading geometry/scene objects by the V-ray for rendering, in it's in-built data structure). To me it seems like a bottle-neck in between the amount of Memory available for V-Ray and objects in the scene.

Here is what I can suggest apart from the tips given above:
**Try to save the file once , and make following changes inside System tab of Vray:

Max tree depth-Decrease this from it's default value, this will make the render slower but Vray might be able to proceed with the rendering.
Min leaf size:- Leave this to default i.e. 0
Face/level coef:-Increase this value may be up to 1
Default geometry:-Set this to Auto.

**YOu can try using V-ray proxies it will make the scene lighter and thus will cause Vray to proceed further and assign resources to other vital parts of rendering.

Keep us posted about the progress!


Shashi Kant


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