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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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 ...
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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 ...
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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, ...
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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 ...
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Blender file increases dramatically, when bending complex objects
My project consists of complex objects, it visualizes architecture. When one of the complex objects I join (CRTL+J), the Blender file increases dramatically from 500 MB to 2.5 GB.
Can anything be done ...
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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 ...
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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 ...
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Pure VRAM information excluding system RAM on Linux status bar
My AMD RX 6600XT has only 8GB of VRAM, but Blender 3.5.0 on Linux (kernel 6.2.9) is displaying 23.6GB. I think it includes system RAM. How can I make Blender show actual VRAM usage only EXCLUDING the ...
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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 ...
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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 ...
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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 ...
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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. ...
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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 ...
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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 ...
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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 ...
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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 ...
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My Blender is slow and laggy and crashes during render for multiple OBJ files
I am working on a project involving 3D models of Berlin city. I have multiple tiles of 3D mesh models in OBJ format. My Blender starts to get slower and laggier as I import more OBJ files and when I ...
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"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 ...
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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) ...
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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?
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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 ...
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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 ...
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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 ...
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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 ...
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How do I see what is using Memory?
During the creation of a recent project the amount of memory used by Blender inflated to a massive(!) 11.8GB while attempting to render.
This makes rendering on GPU unusable for me (no Titan X's ...
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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 ...
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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 ...
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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 ...
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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, ...
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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 ...
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Cycles/ CUDA out of memory (sometimes)
like many other posts, I am getting CUDA error: out of memory when I am rendering out many images for an animation.
But- when I close Blender, and restart the rendering process from the stopped image,...
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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.
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Blender 2.78 cycles out of memory problem, in both cpu and gpu
I have a out of memory problem with Blender.
My specs are:
I am using Blender 2.78, Cycles
Intel I5 2400
Nvidia Gtx 750 ti 2GB
8 GB ram
Windows 7 64 bit
I can render simple stuff, but now when I’m ...
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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 ...
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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 ...
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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 ...
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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,...
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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)
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How do I delete unused data? [duplicate]
I want to quickly minimize the size of a Blender file.
How do I delete any data that is not being used?
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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 ...
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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 :
...
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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 ...
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Why does Blender use so much memory for large textures?
Using a single 6K texture at only 227kb in size, spikes the memory usage to a crazy 144mb of memory in Blender.
It was brought up in this bug report, but closed.
Why can image editors (Photoshop/...
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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 ...
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Relationship of textures and GPU/CPU memory [duplicate]
I am trying to transition from Eevee to Cycles on a very big scene.
I am using:
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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 ...
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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 ...
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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 ...
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When Blender crashes during rendering
After asking a good number of questions,
I felt it best that I come with some tips that I have discovered and learnt on my own.
One of the things I've heard is that there are people that have tried to ...
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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 ...
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