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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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30 views

Best GPU and RAM upgrade for compaq elite 8300 sff [closed]

I would like it to be equal or less than seven hundred dollars American. Thanks in advance!
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17 views

Why does Movie Clip Editor use so much memory?

What's the reason behind blenders intensive use of memory when it comes to video editing/tracking? I'm using Blender 2.8 and currently have a ~15 second clip loaded (@50fps, 3840x2160, 99779kbps, ...
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31 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 ...
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23 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 ...
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24 views

Memory requirement /management for blender

I was trying to open a large scene (970mb) OBJ file in blender and it sucked all 16gb of my ram and crashed. I figure I need to increase my ram (thinking 64gb once the 3900x is back in stock) but in ...
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1answer
80 views

Can Blender use Virtual Memory?

I have 2GB of RAM and I just want to use this program. Can Blender use Virtual Memory? Getting one image rendered takes like 20-30 seconds and it's not even on the full resolution.
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34 views

Blender 2.80 specific changes which eats RAM massively

This is done on a 8GB Linux machine, which runs Blender and openbox as window manager and nothing else (beside common system demons etc). Blender files, which successfully render (GPU/Cycles) with ...
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0answers
25 views

Why does my PC crash at the end of a low intensity render?

I am trying to render an animation, I have rendered scenes much more complex than this before on my PC yet I have recently been running into problems when rendering almost anything. My PC tends to ...
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1answer
60 views

Can I use a USB drive as memory for rendering?

I have a really low-grade laptop and I find that I run out of memory for rendering even very basic stuff. I have a thumbdrive and I was wondering I could use it in place of RAM. Does blender allow for ...
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2answers
51 views

Segfault when going back to Object Mode, on unrelated data

I am writing an Addon. I have a list of Vectors: centers = [p.center for p in obj.data.polygons] In a later section of code, I do the following to a different ...
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33 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.
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73 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 ...
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1answer
43 views

Is there a way to make objects take up less memory?

me and my friend are competing in a game making competition, (a competition where you compete with other people to make games), and in this competition the smaller the game size, the better you are ...
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1answer
84 views

Passing data from one running instance of script to the next

I am looking for the most efficient way to save data from one run of a python script to the next. My script generates a list , say presentList . The list is made up of a number of integers. Next time ...
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0answers
22 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 ...
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45 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,...
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143 views

Vega HBCC support

Hello guys! Been experimenting with Vega GPUs and the HBCC option recently and although I didn't have scenes big enough to top 8GB of memory I finally found a way how to do it; just opened 2 of them ...
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0answers
153 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 ...
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1answer
90 views

Project management

So I did some research about project management, and found that people have recommended various ways to arrange stuff and I'm trying to establish the best practice for myself for the whole process. ...
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2answers
1k views

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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1answer
837 views

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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0answers
277 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 ...
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1answer
126 views

Blender very laggy

So I have an MSI GeForce Gtx 1080Ti 11Gb and an Intel i7 7820X but when I open up a scene in blender and try to pan around in solid mode and when I try to preview the animation it only plays at 1 fps ...
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1answer
68 views

eighth of a sphere with extremely high face count

I want to create an eighth of a sphere with extremely high face count I want about ~127 Million Faces. the problem is that it takes a huge amount of memory, and creating an entire UV sphere and ...
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0answers
22 views

Making Objects in the file or appending/linking them? [duplicate]

I've been learning about the append and linking function to bring in objects from other Blend files to the current one being worked on, but something keeps nagging at the back of my mind: Aside from ...
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157 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 ...
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1answer
253 views

Blender crashes when enabling “true” displacement

I created an OSL shader (a 4D noise texture) and connected it to the "Displacement" output of my shader. I wanted this to be a animated micropolygon / adaptive subdivision displacement, so I enabled "...
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0answers
91 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 ...
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1answer
191 views

Blender Crashing within two minutes of opening even if left untouched after opening [closed]

I'm brand new to blender. I downloaded the newest version from online (2.79.2), checked to make sure I have good requirements for using the program (which I do), I start up the program and literally ...
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1answer
1k views

How to prevent memory leakage in Blender?

I have to load lots of objects/meshes(50k) in Blender and render them for which I have written a Python script. My meshes have lots of vertices/faces (in the range of ~[10k, 70k]). I noticed that ...
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0answers
136 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, ...
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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 ...
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0answers
28 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 ...
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0answers
554 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 ...
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2answers
251 views

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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1answer
598 views

Why is blender not using all of my ram?

So I'm rendering this scene with blender cycles and I'm wondering why I get this when my computer has much more processing power. Here's the computer I have: http://www.costco.com/.product.1128978....
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0answers
115 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 ...
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2answers
988 views

Why does Denoising take up so much memory?

I tried to render my scene with the new 2.79 Denoiser. During the Rendering Process everything was fine, my memory peak was about 1000M but as soon as the Denoising started it suddenly shot up to ~...
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1answer
144 views

Blender running out of memory in renders, but having no problem in previews

I am dealing with problem of... Out of memory in cuMemAlloc(&device_pointer, size) Even though settings are the same in render mode and preview mode I have never encountered this issue in the ...
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0answers
141 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 ...
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1answer
369 views

AMD High Bandwith Cache Controller - Unlimited Memory? [closed]

The Vega FE is already in stores. (not the cheaper RX) AMD has been advertising their High Bandwith Cache Controller on their new Vega cards. It is supposed to allow for VRAM objects to be offloaded ...
2
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1answer
209 views

hello world script causes memory leak

My script generates about 400 objects. If I run the same script twice, I notice the object count remains the same, but the memory allocated does increase substantially. I thought it was my code (and ...
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1answer
2k views

Blender error: out of memory

I have never used blander, so i'm totally new to the software, but today a friend of mine asked me to use my computer to render a picture for him since he doesn't have a powerfull PC. So he gave me ...
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2answers
6k views

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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2answers
339 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 ...
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1answer
442 views

Computer stuck on fluid baking

I am trying to bake a fluid simulation of 1.45GB and my pc is stuck and stopped responding. What can I do? Will it help to increase my RAM amount to 16GB? System specs: Windows 10 Pro Insider ...
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1answer
109 views

Render a “long” video (> 2 mins) in one step, without running out of memory

I feel like I am missing something fundamental. Here is my problem: I am producing videos (10-30 minutes each), using the Video Sequence Editor – there is no 3D modeling involved here, just stitching ...
2
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2answers
445 views

Blender consuming all memory

I have hundreds of thousands of models in a folder. In my script I have a loop which loads each model at a time as object in my scene then render an image of it then delete the object. After couple of ...
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0answers
262 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 ...
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0answers
57 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 ...