Questions tagged [memory-management]

Questions related to memory consumption. This refers to both RAM (Random Access Memory) usage and hard drive space.

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1answer
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Use all Ram on Blender when rendering? (Cycles and Blender Render)

I have 32 GB Ram on my computer, how can i make Blender use all (or at least, the most) of the RAM when rendering?
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1answer
888 views

Is there any disadvantage to using smoke adaptive domain?

In the smoke simulation settings, there is an option called smoke adaptive domain. It basically (as far as I can tell) just changes the domain's size at each frame to be just big enough to fit the ...
3
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0answers
392 views

.blend file size much larger after OpenGL Render

I am working on a detailed dialogue scene that is 600 mb. It is a very complex scene, with each part in single layers. I know that is a very big file size, but what my machine can handle it. What ...
4
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1answer
1k views

How to check how much GPU memory is used by object?

I wonder if there is any way to determine how much memory object or group of objects is going to use while rendering. I was trying to follow some of recent Blender Guru's tutorials but it seems like ...
10
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2answers
8k views

Does Blender have a software-limited amount of RAM it can use?

The other way to ask this question is, are Blender's memory limitations solely hardware related? Or, is there a point at which Blender will either crash or fail to use additional memory, even though ...
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0answers
393 views

render 1 Frame of Big Buck Bunny fails

Im trying to render a single frame of BigBuckBunny with blender 2.72b on linux. I downloaded all the files needed (2d blender files + http://graphicall.org/bbb/index.php ) Now I want to render a ...
11
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1answer
4k views

How can I save memory in cycles when I have a lot of duplicates?

I have a scene I'm working on which requires a large amount of duplicates which I was planning to use an array for. I recently heard if you use Shift+D instead of Alt+D and wondered if there was a ...
5
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1answer
755 views

Which is more efficient? duplifaces, particles, or group instances?

Particles give more controls for doing things like randomizing rotation of instances, but duplifaces and group instances allow for rotation and scale of individual instances. For something like ...
2
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1answer
1k views

game-engine : error totblock : 1. Memory Leak?

I've got this error when running the blender game-engine: Error Totblock: 1 (The scene is running, but very slow, and this message appears a the end) Apparently, ...
11
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1answer
4k views

Why should texture resolutions be powers of 2?

It's often said that texture dimensions should be square powers of two (512x512, 1024x1024, 2048x2048...), but what is the purpose of this really? I've given this advice myself and do it whenever I ...
6
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1answer
5k views

Import large model file into Blender

I have a 530 MB .ply mesh file that I am trying to import into a Blender project. However since the file is so large, Blender freezes up whenever I try to import it. Is there a way to work around this?...
5
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2answers
1k views

Maximum number of materials that can be added in a scene?

I have very large number of planes in my scene and each needs to be assigned a color, and to do that, I am assigning a material to each plane. Blender is allowing 2^15, i.e. 32768 materials. But the ...
9
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1answer
793 views

Rendering a large number of unique objects

I've got a script which imports a bunch of hi-resolution models onto a grid. It gives me this: It's currently got 35 objects (81924 vertices per object), but I'd like to rotate the camera toward the ...
8
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3answers
30k views

How can I tell if Blender is using all 64 GB of RAM?

I have 64GB of RAM on my computer and I'm trying to check if Blender is using all that it can. I still get viewport slowdown at times when working with complex objects. I know there are many ...
3
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1answer
2k views

Troubleshooting Blender's Memory Use (Memory Statistics)

I've got a model I've been working on for a few weeks here. The file itself is 2.1Mb and there are no textures used. Although the full model is 3 million polygons, it's all subdivision and mirroring ...
5
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2answers
13k views

Best settings to reduce cycles memory consumption

I'm trying to render a very complex scene with blender and it seems to be using too much memory. I've already tried using tile size as a multiple of total resolution and spatial bvh splits. Can ...
9
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1answer
2k views

How to efficiently instantiate object with memory-hungry modifiers?

Using Alt + D to duplicate light meshes with heavy modifiers (like a leaf with a particle instance modifier or a trunk with a subdivision modifier) can lead to huge memory usage. Because only the base ...
5
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2answers
1k views

Too much Memory Usage?

I am baking a simulation which is taking up roughly 15 GB of memory, is this normal? I am baking full smoke simulation with high resolution and high definition.
21
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4answers
2k views

What is the most computationally efficient way to make ripples?

I know you can use Dynamic Paint as well as Fluid Simulation with Force Fields to make ripples. I'm sure there are other ways as well. Which way is the least memory and processor intensive of these?

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