Questions tagged [performance]
Questions pertaining to software performance or computational speed of Blender should use this tag. (Do not ask hardware specific questions. They are considered off-topic)
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1answer
15 views
I have view port quality issue (Sorry if this has been asked before I couldn't find an answer)
The image shows my problem it has Choppy edges in the viewport. I looked all over google and this forum but could not find a solution. I have an RTX 2080 and i7 8900k.
I fixed it once by creating a ...
0
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1answer
26 views
does more processors and cores help performance?
These are my specs
-i3 @3.70 Ghz 2 cores 4 logical processors
-8 Gb Ram
-147 gb C: Drive
-1.81 Tb D: drive
when I use rendered view in blender the sampling is really slow (like 1 sample per ...
0
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0answers
11 views
Blender Performence Issues
My blender has been lagging very badly lately. I don't know what to do. please help.
my laptop performance details
Intel Core i5-4200U
CPU 2.30 GHz
RAM 8.00 GB
1
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0answers
22 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 ...
2
votes
1answer
22 views
Does scaling a mesh/curve object to 0 remove its render impact?
I'm currently using the latest build of Blender 2.8 as of this post's timestamp, and I noticed I can't keyframe the viewport visibility parameter (see above) in the Outliner like in 2.79. The render ...
0
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1answer
76 views
Slow sculpting on high density meshes
iv'e seen people sculpt meshes around 5 mil verts with no lag whatsoever, but everytime i come close to like 1m and above the lag starts to be noticeable and soon any sculpting becomes unusable.
Im ...
0
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1answer
22 views
Blender renders always frame 1 on 2nd computer
I'm using a second computer to CPU cycle render an animation on Windows 10. I have the "common" setup to use the same project file (network drive mapped) on both computers with the same output ...
0
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0answers
91 views
Why would Blender slow down in editmode with only 2886 vertices?
Blender slows down in edit mode with only 2886 vertices. I am not sure what is wrong with the file. Can someone suggest a solution to this?
My PC specs are:
Processor: Intel(R) corei7 3.50ghz
Ram ...
0
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0answers
403 views
2.8 Slow performance while moving objects in viewport
in 2.8 when I move objects in the viewport it lags quite a lot. The objects are simple meshes subdivided 2 times. Rotating the view is quite smooth on the contrary. Any idea on how to fix this?
Thank ...
0
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0answers
42 views
Blender Won't Open Back Up After Crash
After Blender crashes I wont be able to open it back up again unless I do a restart on my computer. Instead this message will pop up.
I am using a
Windows 10 Lenovo Laptop,
16 gigs of ram,
i7 7700 ...
1
vote
1answer
67 views
Benchmarks for choosing the right CPU
Is there any reliable benchmark resource (website?) for choosing the right CPU for Blender? I found http://blenchmark.com/cpu-benchmarks, but they seem not reliable. For example, according to them, ...
0
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1answer
334 views
Help me understand why my cycles render is so slow
This is NOT about asking how to speed up cycles renders. I am just confused to why a scene has taken so long to render.
Here we go:
I have a camera (WOW) looking up into treetops. Pretty simple. ...
1
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0answers
44 views
Blender file size increses drastically after joning duplicated object and performs very slow
When i join (CtrlJ) duplicated (ShiftD) multiple object or mesh then blender performs very slow and file size increases too from 100mb to 1gb. Does anyone have solutions for this issue?
0
votes
1answer
44 views
Blender does not start
Installed Blender on a machine with Core i7 CPU, 16GBs of RAM and an NVIDIA GeForce 650. I managed to run Blender twice. On the third time nothing was shown and Blender didn't load properly, even ...
2
votes
1answer
249 views
Is there a way to make Cycles render slower to use less GPU resources
Is there a way to make rendering in Cycles use less GPU resources? Like some console parameters for rendering engine or settings within Blender? I tried render scene with the console (no UI), ...
0
votes
1answer
126 views
Leverage multiple CPU cores for video rendering (VSE)
I have a 1950X Threadripper with 16 cores and even if I set the thread count to 16 manually in the performance section, it still only uses 1 core. Have Cycles renderer selected and both user ...
1
vote
2answers
190 views
Rendering using both GPU and CPU is not possible
For some reason I'm unable to render on CPU+GPU. I've checked on 2 different computers and it's not available. One setup is Threadripper + GTX 1070, and the other one Intel i9 + GTX 1080.
Is it a ...
1
vote
1answer
159 views
Linux Ubuntu 18.04 - Sculpting performance (dyntopo) is terrible in comparison to Windows
OS: Ubuntu 18.04
CPU: i5-6600K
GPU: GTX 970
RAM: 32 GB
Sculpting on objects with more 100k polygons (dyntopo constant detail 50 px) lags blender, especially using Snake Hook brush and dragging ...
1
vote
0answers
469 views
Blender 2.79 Cycles OpenCL RX Vega GPU extremely slow. (Ubuntu 18.04)
I am running Ubuntu 18.04 on a fairly powerful PC (Ryzen 2700x and Vega64) I finally managed to get OpenCL to work at all with ROCm-rehl drivers.
When I render the default cube scene CPU rendering ...
0
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0answers
22 views
Blender General Best Practices (to affect a game's performance as little as possible)
I've started modeling a few weeks ago by doing some anvils/random objects/humanoids and animations. It seems that for some of them I used too many unnecessary vertices (and perhaps modifiers) after ...
1
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0answers
239 views
Blender does not seem to utilize CPUs and GPUs effectively for rendering
I've just built myself a new machine because rendering times on my laptop were prohibitive. It's an i7900 10 core processor, 32GB RAM and two Quadro P4 graphics cards with 8GB memory each. The cards ...
0
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1answer
109 views
LOD in particle systems
I've already checked this two questions but neither solve this problem:
Level of Detail of Particles System?
How to access data related to individual particles?
Both posts derive to use animation ...
0
votes
1answer
49 views
blender running so slow i can take a nap when clicking a menu
I have a big problem. It's been happening for a long time and it's really urgent as this is payed work.
For some reason my project is running so slow I can't even click on the menus. I literally ...
1
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0answers
18 views
Why is my gaming desktop relatively slow at complex animation playback? [duplicate]
I’ve been working on an animation. Due to the large quantity of animated objects (plus a keyframed cloth simulaion), I noticed that when I played through the animation, it went slow. Really slow - ...
1
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0answers
72 views
Struggling with making an audience/public for an gladiator arena
I am a blender newbie, slowly catching up with the program and geting into 3D modeling. I've managed to create a huge arena model, and I have a lot of audience seats that should eventually be filled ...
0
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0answers
64 views
Animation preview is in only 4 fps
So when i start my animation, it is always capped at 3/4 fps, making it impossible to work with.
I tried simplify option(in scene tab), but that doesnt seem to do anything
0
votes
1answer
451 views
Blender selection in viewport suddenly slow
Since a few weeks I suffer from the issue where I have to wait up to 6 sec after selecting an object in the viewport. The time depends on the amount of hidden layers (and hence the amount of objects ...
0
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0answers
83 views
Viewport performance due to high poly count
Is there a way of reducing poly count only in the viewport?
My gtx 1070 is struggling while sculpting terrain (It has 2000x2000 subdivisions)
1
vote
0answers
79 views
Blender 2.76b - Slow performance on Viewport Shading Material
I'm running Blender on Ubuntu 18.04 LTS; I use Blender 2.76b. My problem is when I turn the Viewport Shading to Material Mode, it is very very slow. It is even much slower (much!) than the Rendered ...
1
vote
0answers
34 views
Performance issues - make tree leaves like this?
Ok, I am trying to achieve animated, particle like leaves (low poly not realistic) like this - https://youtu.be/cKS3VM1a3TU?t=4m8s
Obviously my idea was to make a group with some leaves and make a ...
0
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2answers
1k views
Poor performance on mac with AMD Radeon Pro 560
My mac is a macbook pro 2017, with AMD Radeon Pro 560.
Seeing this question How to do GPU rendering on MacBook Pro 2016 (AMD Radeon Pro 460) I also get the Cycles render to work, but it renders at ...
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0answers
20 views
Scene ran fine, then updated windows, now playback is VERY slow
So, I was animating a scene, not too complex, and playback was fine, then I found out my windows was outdated so I clicked update and restart, it then took 5 attempts to get back into the computer as ...
1
vote
3answers
887 views
Blender is only using one tile and only on CPU
I have tried to make blender faster by using my Nvidia GeForce GPU in the user preferences window and under the render options in the properties window.
But I can see in the task manager that the CPU ...
0
votes
1answer
461 views
Optimize Blender's user interface for performance
As a simply a Blender hobbyist, I can't justify the an upgrade to improve the performance of my computer. I wondered, "What could I do that I'm not already doing that could make Blender run faster?" ...
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0answers
86 views
Blender not responding when I play animation
This is my animation, just about 285 frames, 78 keyframes
When I play animation, Blender is not responding
And here is Blender status in Task Manager. I think it isn't so strong
What's the problem? ...
0
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1answer
166 views
Will there be a browser version of Blender? [closed]
I heard about WebAssembly, which lets C/C++ programmers target the web, I was just wondering whether Blender has any plans to make a "web" version, that runs in the browser? At the recent Google I/O, ...
0
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0answers
43 views
Create floor for a top down 3d game
Dear blender community,
I am a beginner in 3D animation and I am planning to make a 3D top down perspective game.
I want to create the game 3D assets in blender and export it to use in an external ...
0
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0answers
29 views
Render freeze on random tile
I have Radeon Rx 580 and when i am trying to render my scene with gpu it just freezes on random tile, even have to shut Blender in processes.
It's not even complicated scene to render Cpu cracked it ...
1
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0answers
70 views
Imported .obj has too many faces
I imported a .obj file created with osm2world, and even though the imported objects are all low poly, they have many faces.
E.g. this is just a simple plane:
but has this many faces:
Now my ...
0
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0answers
497 views
blender running slow and lagging
I installed blender and tried to run it but it was running very slow. I tried with integrated graphics but still no use. I tried to roll back my drivers but that option was unable. I tried to change ...
0
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0answers
257 views
Video editing performance
I'm trying to edit a video using Blender and the video playback is really slow for some reason. The input video is 3 AVI clips all resampled to 25fps. They were all different framerates, so I used ...
-1
votes
1answer
497 views
Crazy low fps when playback animation
When I playback an animation I get around 1 FPS with really basic object.
My scene contains 1 Torus with standard vertex and array modifier set to 8. No Subdivision modifier and no texture or light, ...
0
votes
1answer
92 views
Does Blender work on IntelHD 4000
I just wanted to know if I need a high graphics card by that I mean like GTX 1000 etc. Because if I want to make a high graphics animation then I would need a high graphics card right?
1
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0answers
177 views
Speeding up the viewport
I just had a shock when I opened 2.28c (it's been far too long)
The drawing was super fast on my EEEPC. All the time I thought my graphics card was slow (and it is by comparison) when actually ...
0
votes
1answer
173 views
Slower Rendering in newest daily build 2.79.4 vs. 2.79
I've installed version 2.79.4 and it is a bit slower than 2.79. I render with GPU 980TI, and the same scene with the same settings (opened and rendered without any changes).
Older - 1000 samples, ...
1
vote
1answer
625 views
How to increase performance for GPU rendered interface parts?
I just got myself a new graphics card that is able to handle workflow. I still got really bad playback performance of the 3D view combined with animation by armature. I usually get displayed 0.83 FPS ...
0
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2answers
1k views
Multi-core/threaded particle simulations
Recently did a liquid splash via Gleb Alexandrovs tutorial.
So smoke + flow field + particles + meta-balls to get some sort of fluid splash going on.
Where I noticed, none of these processes are able ...
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votes
1answer
56 views
Blender Laggy windows 8.1 Desktop
Title says it all, why the heck do I need to explain this any further with 30 characters??? Hi, I had this program installed on THIS Exact same system and OS Before. Had to re-install the OS and ...
0
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0answers
61 views
Blender Game Perfomance Rasterizer high with lags in first start stand alone game
Every time i start game in stand alone full screen mode Rasterizer go to 70 to 95% making legs for few seconds and if i walk around map still legs persist.if player dead go to game over scene.If ...
-1
votes
1answer
90 views
Blender Freezing Around 3 Minutes of Being Open
So, here's my issue.
When I open Blender (either through a desktop shortcut or through file explorer) it opens up normally. However, when I give any sort of input, such as selecting the cube or ...
