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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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Non-free memory in bpy.types.Panel. Solved

I ran into a problem when creating a class instance inside the draw function at the panel. The fact is that when restarting addons in my addon, the values that were involved in the instance of the ...
blend file's user avatar
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13 views

VRAM Errors with Blender 4.0/4.1 [closed]

it seems that Blender 4.0 and up needs more vram than before for the same scenes. I tested it with various scenes and different Blender versions but the same result. The same scenes i could render ...
VICUBE Animation's user avatar
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34 views

Blender Crashes with Large Files on AWS g4dn.xlarge Instance

Hello Blender Community, I'm currently facing a challenging situation with Blender crashing when attempting to open a file under the following conditions: Due to insufficient performance on my local ...
Taro's user avatar
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1 answer
41 views

Receiving "Out of memory" when I still have tons to spare

For some reason, it starts bugging out and I had no idea what I did to caused this. A simple scene with an almost 1gb of hdri cause the entire scene to not be rendered out. I have a 16 gb ram.
Dan Lagrimas Isulat's user avatar
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202 views

system is out of gpu memory

I am using Imac with following specification : Processor: 4 GHz Quad-Core Intel Core i7 Memory : 32 GB 1867 MHz DDR3 Graphics : AMD Radeon R9 M395X 4 GB I was trying to make stormy ocean from this ...
SYED MUNEER's user avatar
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8 views

Linking Meshes on new scene, placement issue

I am trying to link a collection into a new scene. The collection has one mesh with its origin located at the centre of the grid. Still, when I link it to my new scene, the linked mesh looks far away ...
Bruno Suraski's user avatar
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72 views

Why are linked objects from another file laggy, and same objects are fast when appended?

I have a laggy file that will take up to 12 seconds to select a basic object and take up to 14gb of memory, to fix this I open a new blend file and append all the objects and now there is no delay and ...
Mel Meanley's user avatar
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194 views

How to free up ram using blender

im trying to create animation with blender but it keep crashing due to ram limitation , i had to close blender (not responding) and reopen it then continue rendering , this happens before for, idk if ...
hamed.design's user avatar
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1 answer
24 views

Reduced model size by almost 3.5 times. Now I am never able to cycles render in Optix

I had a (bloated) model having 3.6 million tringles (just for example) that I was able to render it in cycles (barely, no other apps, just booted) on a RTX 3070 TI (8GB). Now, I have reduced it to 1 ...
jarlub's user avatar
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1 answer
357 views

How to use more VRAM?

I recently bought a graphics card with 12 GB in memory, but when I model complex scenes I see very little amount of VRAM in use, and some times it gets very laggy in the viewport at less than 25% VRAM ...
Emet Derek's user avatar
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1 answer
374 views

Blender Memory Issue

I am running Blender 3.5, and I have a scene in blender that crashes blender. I noticed that when I open the project, Blender uses all 32GB of my ram within a few seconds. Trying to render the scene ...
User5501's user avatar
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233 views

How to reduce vram usage?

I'm making interior scene like these picture and also more different scene. I'm Using only 2k textures, except HDRI image, and rendering with tiling (512) and also other setting included. But it ...
Geonha's user avatar
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1 answer
602 views

How to use Intel(R) UHD Graphics 730 for Blender?

Here is the issue: I am trying to use my Intel(R) UHD Graphics 730 GPU for Blender, but I can't add it as my GPU when I try to add it in preferences. Just to prove I have a GPU and that Blender is ...
kool's user avatar
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2 votes
1 answer
2k views

Blender can't utilize all 24gb of VRAM (Out of memory)

My system is 3090 Ti (24gb VRAM), 32gb DDR4, i7 8700k, Windows 10. I've upgraded GPU recently because 8gb of VRAM on my old one wasn't enough, causing out of memory use or crashes in heavy scenes. ...
blankpins's user avatar
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1 answer
400 views

Performance issues with high polygon count and memory leak

Good day, I am working on a Model with a high polygon count, 27,066,816 to be exact. Therefore I am having long loading times when switching between object, edit and sculpting mode. My goal is to ...
Robin's user avatar
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1 vote
0 answers
1k views

Blender using too much memory?

I have a project with 4 objects in the scene. The total face count is 46,594. The viewport shading is set to Solid mode. Yet, my memory usage is at 15 GB. I've applied the multires modifier on 2 ...
walkingcure's user avatar
3 votes
3 answers
4k views

"System is out of GPU memory" On New Well-Capable Computer

I recently got a new computer, and I'm getting the error message "System is out of GPU memory" when going into Rendered View mode. It hasn't given me the message yet for when Rendering THE ...
Praxis Visuals's user avatar
0 votes
0 answers
701 views

Memory cache limit is not working

I have blender 3.3.1 on windows 11 and I can not manage the memory limits. I try "memory cache limit" and "disk cache" but it seems to not work as it goes to 100% of my RAM (64GO) ...
F_G's user avatar
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0 answers
61 views

Is it normal for Blender to use so much memory when I have a graphics card?

I feel like my pc should be using my graphics card more when I'm editing and rendering but it will only use up to 7% of it when it renders. Is there a way to make my pc use more?
Goober900's user avatar
1 vote
2 answers
840 views

Blender is it possible to change opacity of color ramp?

Is there some kind of way to control color ramp node color Strenght (opacity of the colors?)? Something like when in Photoshop you add a solid color adjustment layer and you control the color with ...
Georgi Kovachev's user avatar
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1 answer
514 views

Is there a limit to number of lights in CYCLES?

I was making a scene using very few lights along with Nishita Sky Texture. The total emissive lights used are - 2 Area lights + 1 icoshpere with Emission shader + Nishita Sky Texture. Just adding one ...
NewBlenderer's user avatar
0 votes
1 answer
231 views

Very High Memory Usage When Baking Normal Map

I am trying to bake a normal map (Currently trying to do 16384x16384, will downsize to 4096x4096 as compensation for no AA). The high poly object is ~750k poly while the low-poly is 1.2k. No matter ...
ppk's user avatar
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1 answer
241 views

How long it takes to render in Freestyle mode? [closed]

I am a beginner in Blender, and I have a question for you if you can help me. I have a scene with multiple objects and a total of 1,731,619 triangles and I am rendering in Eevee in Freestyle. I have ...
Neskax's user avatar
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0 votes
1 answer
289 views

Is there a way to precache an Alembic sequence on RAM for faster playback?

I've been working with large Alembic files on a project recently, some in excess of 3 or 4 gigs of data and thousands of frames. I notice that viewport playback takes severe hits with every ABC object ...
Wyatt Hall's user avatar
0 votes
0 answers
48 views

CAD file really slows down Blender file

I've started a new file and imported a relatively simple CAD file (DXF, 32Mb). After converting all to meshes and separating into individual elements, it's now got to the point where the file is ...
derekjackson's user avatar
0 votes
0 answers
291 views

Out of memory on render despite enough space avaible

I am trying to render a small scene using cycles on a cluster. The operating system is Linux and the Blender version is 3.1.3. The avaible GPU is an NVIDEA RTX 2080 TI and avaible ram 117 GB. Although ...
Snowraider's user avatar
6 votes
2 answers
425 views

Do duplicates of the "Group input" on Geometry Nodes waste memory?

I started using geo nodes recently and sometimes the "Group input - geometry" is so far away and there are so many overlapping connections... I don't know if doing that makes any noticeable ...
Pedro Ribeiro's user avatar
0 votes
0 answers
671 views

How to free memory in python?

I am trying to traverse a list of .blend files to get the information inside them. However, I can not free the memory, causing the OOM error. The code is shown as below. ...
翠花儿's user avatar
1 vote
1 answer
87 views

More efficient usage of the computing resources by running several Blender instances

I'm using Eevee to render a mesh sequence imported with Stop Motion OBJ in "Streaming" mode. I only have 1 or 2 such mesh sequence in the scene. I play the sequence(s) while the camera is ...
chronosynclastic's user avatar
-1 votes
3 answers
3k views

Out of memory only on Render

I just upgraded from a 1060-3gb to a 3070 TI, so I'm not sure if I haven't set it up properly, but everything runs perfect and smooth in the viewport without nearly maxing out my card, however, as ...
Michael's user avatar
0 votes
0 answers
7k views

Blender Preferences > System > Memory & Limits = RAM or VRAM?

I'm trying to optimize my Blender 3.0 under Windows 11 and I occasionally get a render error stating that I've run out of "GPU Memory." Blender Preferences > System offers various memory ...
WilburPost's user avatar
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0 votes
0 answers
338 views

Out of memory error when rendering simple ocean modifier (20GB)

I was experiencing issues with the OCEAN modifier, and then I tried to render it alone, and the same error occured (only 10.000 faces). I have seen a tut in which the guy used way higher resolution, ...
Junior Pedrosa's user avatar
0 votes
0 answers
135 views

I have 32 gig of ram and blender 2.8 becomes sluggish and jittery and becomes unresponsive when I load a scene with 3,332 objects and 1.4M triangles?

I have 32 gig of ram and blender becomes sluggish and jittery and becomes unresponsive when I load a scene with 3,332 objects and 1.4 triangles ? I forgot to mention there are over 900 armatures in ...
Brandilyn's user avatar
0 votes
0 answers
27 views

My file isn't rendering and attempting to do so sometimes crashes PC (memory-related?)

I am trying to render a still frame of a complex scene. When I render I often watch the tiling render the scene over that default checkerboard pattern, and it usually finishes the whole image. However,...
Jonesnoh's user avatar
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0 votes
0 answers
198 views

Blender python iteration of importing model gets slower

I'm doing a project with python in blender and let me summarize its process. Import a .pmx file(kind of 3d model) ...
user136892's user avatar
1 vote
1 answer
1k views

Scene is too heavy; how to identify most 'expensive' objects

I have a scene which is taxing my computer memory such that blender is almost unusable (not even talking about render here, just UI). I know I have a few very expensive objects, but it's been a few ...
Jon's user avatar
  • 524
1 vote
1 answer
786 views

How to know how much RAM a FLIP Fluids fluid simulation will require?

I'd tried to run a really big fluid simulation with FLIP Fluids (built from source on Linux). I am not using the default fluid simulator. However, I wasn't happy with the quality of it, so I upped the ...
cocomac's user avatar
  • 147
1 vote
0 answers
529 views

Is it possible to import gltf in python using file-like objects?

I have encrypted and zipped gltf files on a server. I need to import them in blender directly. I found the way to load, decrypt and unzip the files to end-up with something like this : ...
Minichua's user avatar
2 votes
0 answers
97 views

Rendering multi-view directly to disk instead of RAM

I've set up a Stereoscopy -> Multi-View rendering to render hundreds of cameras with a Python script. Multi-view renders the cameras much faster than looping over ...
nh2's user avatar
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2 votes
0 answers
368 views

Blender free up memory using command line

Note: This is my first post, so if my title is not appropriate, please let me know what an alternative could be for more relevant answers :) I am rendering a scene for someone(so no way for me to ...
Albertus Brand Venter's user avatar
0 votes
0 answers
474 views

Blender states I'm "Out of memory" when trying to render, but I have tons of unused memory?

I'm having a recurring problem where Blender is refusing to render an image, stating I am out of memory, when I clearly have a huge amount of excess memory available. I'm attempting to render in ...
Studio Logic's user avatar
1 vote
1 answer
472 views

VSE Memory Usage KEEPS climbing! (To 50GiB before eventual crash)

TL;DR The Blender video sequencer memory usage climbs and climbs to a total of 40/50GiBs (RAM+Swap, I presume) until Blender crashes. It is impossible to render the entire sequence. I am using Blender ...
calcalkitten99's user avatar
0 votes
0 answers
156 views

out of memory while rendering and sheep it is not rendering the specific material

my problem is that whenever I try to render a video on my laptop it says out of memory so I figured out that using a render farm is the choice it renders on the render farm but the problem is that two ...
Muhammad Bin Aslam's user avatar
1 vote
1 answer
245 views

Out of memory after rendering thousands of similar scenes

I have a project on which I have to render thousands of different screenshots of a scene. It is basically a for loop that changes the scene, calculates some stuff and renders. However after around ...
Manveru's user avatar
  • 223
0 votes
1 answer
51 views

Particle system to create texture

I've made a forest scene with Botaniq add-on with lots of grass and trees which means lots of particles. Obviously slows everything down massively. Is there a way to "freeze" layers or ...
BuddingBlenderer's user avatar
0 votes
0 answers
50 views

Animation playback aggressively eats memory, doesn't give it back until program is closed and reopened

Blender is smooth as butter when I first open my file. I can work and move and edit etc with no lag. But after a few paybacks of my animation it will become more and more laggy. Taking a look at the ...
Run_MCID's user avatar
0 votes
1 answer
525 views

Why 38000M peak when trying to render image [closed]

When I am trying to render an image with 32 samples the peak M gets to 38000 and the crashes with CUDA error for not enough GPU memory. We just bought a new computer Rtx 3070 32 ram Cpu AMD ryzen 9 ...
Mikey Ben-Chetrit's user avatar
0 votes
0 answers
324 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.
Martin Marino's user avatar
1 vote
2 answers
3k views

Blender uses more ram than my pc has when rendering

When I preview cycles render in viewport, the performance is solid and using 1 or 2GB memory. However when I render, at 128 samples, my pc freezes after about 2 seconds. Also, I have only got 16GB of ...
Asmus Mortensen's user avatar
0 votes
1 answer
763 views

Render using way too much memory no matter how much I lower settings

I am trying to get my render time much lower. It's taking about 10 minutes a frame. which is obviously way too long considering that I need to do over 800 frames maybe even over 1200 by the time the ...
ChristianOConnor's user avatar