Questions tagged [memory-management]
Questions related to memory consumption. This refers to both RAM (Random Access Memory) usage and hard drive space.
55
questions with no upvoted or accepted answers
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633 views
Why is there slowdown on a high poly mesh in edit mode when all faces are hidden?
I've been wondering this for years now, so I'm working on a high poly mesh and I've hidden all but 50,000 vertices, there's a fair bit of slowdown and I kind of get that but even if you hide ...
3
votes
0answers
262 views
Garbage collection in Blender leaks memory
I'm working on an iterative process for optimizing the placement of some objects. This iterative process seems to leak the memory (I use numpy matrices). I do destruct the lists and matrices after ...
3
votes
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 ...
2
votes
0answers
32 views
Are there any known solutions to generic memory leaks?
I'm running Blender 2.91.0 (This is a completely new install) and as I use it, it starts to run slower, and the amount of memory it uses according to task manager steadily increases. If I shut down ...
2
votes
0answers
22 views
Large memory consumption upon loading model
When I import a single large STL (700MB), Blender uses 3GB of memory. This is before any operations have been performed. While editing, the memory consumption jumps to 16GB and my computer grinds to a ...
2
votes
0answers
36 views
Understanding Memory Usage Whilst Rendering in Cycles
I am trying to understand memory usage whilst rendering in Cycles with a view to making good upgrade option decisions.
I have a large scene which for my system is very heavy to render. I have 32 Gb of ...
2
votes
0answers
27 views
What is the smallest possible .blend file size in 2.8x?
I'm trying to make a container library .blend file for common node groups and I cannot get the file to be smaller than 51.3 KiB (52 506). Can you do better?
2
votes
0answers
484 views
Why does Blender use so much RAM for a mesh?
I'm noticing when loading a 250mb OBJ file (high resolution mesh), Blender goes from 89mb RAM to around 2.1gb. Loading the same mesh in Preview.app uses around 300mb.
Why is that? Is there a way to ...
2
votes
0answers
1k views
Finding out what makes your file size big?
Is there a way to see exactly which objects/textures/etc in my scene take up the most memory? My scenes often get rather big, bigger than I feel they should be, and rendering them obviously then tends ...
2
votes
0answers
809 views
Is there an easy way to see what is consuming the most memory?
Is there an easy way to see what is consuming the most memory?
For example:
-Objects / Object data
-Textures
-Lighting
-Particle Systems
-Material duplicates
-Caches
-Anything else that can cause ...
2
votes
0answers
266 views
What method is more efficient for making duplicate of an object: mirror it with modifier or instancing it?
I wonder what method i should use for making copies of original object, what is more memory/render efficient: mirror my object with modifies - "Array" or "Mirror" or instancing my object with Alt+D?
2
votes
0answers
290 views
How to retrieve context after a outliner.orphans_purge()
I've got a script that joins several object into one at every frame and then do several operations on the duplicated object.
However, I know that when a object is deleted in blender, meshes are ...
2
votes
0answers
606 views
Can Cycles CUDA utilize more than 2GB of VRAM?
I'm trying to make a render with dual Titan X's, they have 12GB of VRAM each. If I ramp the tile size up it eventually slows down seemingly due to hitting a 2GB cap?
Is there a way to have the ...
2
votes
0answers
252 views
Not enough RAM for baking particles
Faced with such a problem - there is a system of particles in settings exposed saving cache to disk next to the file. Also, 400 frame animation of the object. The problem is that baking stops at 100 ...
1
vote
0answers
28 views
NVLink Pooled Memory Issues
My issue I seem to be having on one system is NVlink is plugged in, SLI States enabled maximize 3D, but still the information is duplicated. both cards are 2080's and the scene is a total of 11.6 gb ...
1
vote
0answers
199 views
Relationship of textures and GPU/CPU memory
I am trying to transition from Eevee to Cycles on a very big scene.
I am using:
...
1
vote
0answers
77 views
fully clear scene and cache from scene collections and their embeded components e.g. objects, meshes, materials etc
I have a script which I am loading mutliple .obj files of room models from the disk. Each .obj goes into sub-collections depending whether it is a room in the same house or not. In the beginning of ...
1
vote
0answers
14 views
Efficient rendering of animated urban scene (using LiDAR point cloud)
I have a colourized aerial laser scan of a municipality that I would like to render in an animation. Below is an example I created for a small subsection:
https://drive.google.com/file/d/...
1
vote
0answers
44 views
How do I fix the Cuda out of memory?
I just created a scene in blender with some 3d models, but when I tried to render it, I just got the error
Cuda: out of memory.
The scene is really small, just 5 models, which are not high quality. I ...
1
vote
0answers
116 views
Blender crashing on memory usage problems? Results of several tests
I need to produce images of a certain minimum size (1000kb) when written to disk as a jpg file. for images that are not big enough, I am attempting to increase their size to the minimum by increasing ...
1
vote
0answers
210 views
is it possible to limit texture resolution by distance?
I know in the simplify tab you can set a reduced texture size for all of the scene, but is it possible to reduce the texture size in vram based on distance from the camera?
For example I have a 2km ...
1
vote
0answers
24 views
bpy.ops.object.scale_clear(clear_delta=false) (the alt-s command in 3d view) lowers ram usage?
One of my projects has a script that creates thousands of objects every time it runs and even though it deleted the old objects there's still a ram build-up over time. For example, just now it hit ...
1
vote
0answers
188 views
Same scene 1 GPU = OK, 2 GPUs = Out of memory?
Strange, strange problem this one.
Intro:
I had cycles with these 2 GPU + CPU working well for renders.
Then, after some time, I took the 750ti out and continued working with only the 1070ti + CPU ...
1
vote
0answers
130 views
Blender Out Of Memory and Crashing
I'm trying to create a mountain scene in Blender and when i started adding some bump mapping blender started absolutely eating up RAM (quickly shooting up to the 8GB I have) and then running out of ...
1
vote
1answer
398 views
Blender eats up all memory and crashes upon simple small texture
So this one is really infuriating me as I cannot figure it out. I've created a terrain with textures and a skybox in layer 1 just fine and all looks well. It's also very responsive and works great, ...
1
vote
0answers
149 views
Full render in one tile - solution for lack of memory?
I created super complicated scene using 8gb out of 6gb of vram. On the way of trying to reduce memory usage I saw many times my gpu rendering only one tile, with all samples, and skipping rest of the ...
1
vote
0answers
263 views
I “run out of application memory” when trying to render a scene
I spent a long time designing a scene which involves 5 particle systems (no more than 1000 particles in each), and now I would like to render it.
Unfortunately, I invariably get this error message ...
1
vote
0answers
364 views
How do I get blender to leverage all the memory I have?
There are probably so many noob-facets to this question that it's not even funny. Basically I've never fully understood memory usage, despite being a professional digital artist for many years.
In ...
1
vote
0answers
131 views
What are the memory readouts referring to?
There are two sets of memory readouts I'm puzzled by. I need a better explanation of what they mean.
One is in the Info Window and says something like Mem:119.14M(9.99M)
One is with the render output ...
1
vote
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 ...
0
votes
0answers
16 views
Do collection instances use less memory than duplicates?
I can't find a straightforward answer to this anywhere. I just wanna know what the fastest way to view multiple objects is.
0
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0answers
14 views
How to duplicate linked an entire model?
Lets say I've modeled a window (with the frame, glass, handle...), set the constraints limiting the translation, and set the parenting hierarchy.
Now I'd like to reuse the entire window somewhere else ...
0
votes
0answers
65 views
Error, too many subdivision?
I am trying to render a still image with a well known Render Farm service. When I upload my file it returns the error: 'Project uses to much memory while rendering. Please check for too many ...
0
votes
0answers
17 views
Where does Blender store the vertex cuts the knife tool is making while it is making the cuts?
Once the knife cut is finished, the vertices it's created are easy to find. What about when the knife tool is actively cutting something, as in when the cursor has become the knife tool and clicking ...
0
votes
0answers
14 views
Slow execution and options not available RTX nvidia
Blender GIS 2.83. 1) I cannot find the setting for GPU. Mine is nVidia RTX super 7000. 2) This and other settings for cpu and gpu, I cannot find them in Preferences/System.
Surprisingly slow: I have a ...
0
votes
0answers
173 views
Blender freezes for 30 seconds every time I click
I wrote one question about its limits. Blender was being cute hahaha. Still, after that scene, Blender is being a pain. I am dealing with the blue dial every click, it last for about 30 seconds, it ...
0
votes
1answer
41 views
RAM Usage in VSE
I've just rendered a video in the VSE, and the output is 14.8 MB. When I use the option to "Prefetch frames" with Proxy Render Size set to Scene render size, or even "No proxy, full ...
0
votes
0answers
36 views
Blenders Actual Limit?
Curious as to where the limit is on Blender so I quit freezing it up. I have 2.83 and I have reached the limits of Blender many times but I do not know the exact limits so I can skirt the edge. So I ...
0
votes
0answers
21 views
Using blender in Linux causes my ram to fill up
I've been monitoring my computer's performance while working on Blender. I'm currently on 2.82a. My machine is running Linux Mint 19.3.
I'm currently rigging a model. While working on texture paint, ...
0
votes
0answers
15 views
Constrainted objects displaced during rendering animation
Faced the following problem. When I've rendered an animation, some details were not where they should be according to the timeframe. This problem occurs only when rendering an animation (3 problematic ...
0
votes
0answers
37 views
How to free memory?
I'm maxing my laptop memory very quickly with some of my .blend that comes from work (where I have 64Gb of Ram). Blender is slow and freezing a lot, this is almost unberable to work in this condition, ...
0
votes
0answers
217 views
File keeps getting a “Not Responding” error whenever I open a file
I'm pretty new to Blender so I am not quite sure what is happening but whenever I open this specific file, the program crashes. I've looked it up and I've seen it could be a memory error but if it is ...
0
votes
0answers
364 views
Cycles - Memory is not being freed
Blender 2.8 Cycles - Memory is not freed after using Z -> "Lookdev" or "Rendered".
It seems like the data is staying in memory, even when switching back to Wireframe mode.
This causes problems when ...
0
votes
0answers
112 views
Is my hardware what's causing Eevee not to render?
I've been using Blender 2.79 for a few weeks and just upgraded to 2.8. I want to try out a bunch of new tutorials using Eevee but it looks like I might not have a powerful enough computer. I've been ...
0
votes
0answers
93 views
Sharing of host memory between GPU and CPU. Is this implemented and working in 2.80?
Does anyone know if sharing of host memory between GPU and CPU for rendering has been implemented and/or working in 2.80?
Thanks.
0
votes
0answers
86 views
How can I stop my Blender script from eating my entire computer's memory?
I'm working on a project that loads a bunch of 3D models (around 100 models) into a scene, exports a render, then deletes all the models and loads in 100 fresh models into a new scene, then dumps them,...
0
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0answers
38 views
System priorities for a good value set-up
Hi This is my first post as a newbie on this forum, so forgive me if I get any of the rules wrong. I'm a film maker who's just packed in the day job with ambitions to make a micro-budget feature film ...
0
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0answers
30 views
Issues at both little and large scales, not understanding the render
I have serious trouble understanding this:
1.- When i work on my project, im building a house into a mountain but "walk mode" seems to tell me that my project is very little, as I cannot walk into ...
0
votes
2answers
424 views
Game Engine: Can I load objects and scenes into memory?
Is there an option to load objects/scenes I want to memory to prevent lags? I don't want to let all objects spawn to buffer them or other tricks. How can I do this? And is it possible to remove them ...
0
votes
0answers
68 views
Basic Cycles memory usage @98%?
I have a scene that sometimes crashes for CUDA errors (out of memory). So I put all elements on separate layers to figure out in rendered view which was the culprit.
Turns out, even if I have only ...