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)
457
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Render profiling in blender 2.8
Sometimes, when I add a shader node render times for a single object are reasonable but, whenever I try to render sets of said object (e.g. tree --> forest) rendering takes up days or even weeks ...
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What to choose GPU or CPU , and should I use opencl, Linux (openSUSE)?
AMD ryzen 5 2600 6 cores
RX570 vid card.
16 gig ram.
I have done allot of research, but can't find what ideally would be the best setting for my system.
At the moment Blender says my vid card does not ...
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Why is my viewport frame rate so slow?
My pc has a
CPU- Ryzen 9 3950X
GPU- Quadro RTX 5000
RAM- 124 GB of G.skill Trident
Motherboard- Giggabite Aorus x57
SSD- Samsung 970 Nvme M.2 1TB
in it. But, when I use the "Grassgwald" add-...
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Make Video Sequence Editor (VSE) playback in real time? [duplicate]
How do I make the Video Sequence Editor (VSE) playback in real time?
I have some 4K video clips that I want to edit, however, I'm unable to do so because when I hit play I get about 2 FPS playback (...
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My rig performance is so slow! Hide Geometry in a referenced rig?
I have quite a long project ahead of me and made my own rig, model etc.
The retopo is good, the rig not too heavy and I have a fairly good computer, nevertheless while animating I just can't get over ...
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109
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Is there any way to prevent Freestyle from wasting time calculating objects that were excluded from rendering?
I love making animations that use high amounts of reflective surfaces, and recently have been trying my hand at Freestyle which is amazingly fun.
In my current project, I am trying to make only one ...
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740
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How to troubleshoot Blender 2.83 crashing [closed]
I’ve just added a GPU to my system in the last few days that has allowed me to upgrade from 2.79 to 2.83 YAY!!!
A few times while rendering though I return to my computer to finder Blender has shut ...
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390
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Animation nodes performance
I've been messing around with animation nodes to influence materials in an array of 1500 cubes, creating a simple motion graphic from a simple node tree.
I've attached the blend file for reference.
...
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161
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Blender 2.82 viewport and tab selection lag
So I downloaded Blender 2.82 for Windows 10 and right away noticed lag in the 3d-Viewport. Just grabbing and moving the cube was noticeably laggy. Other basic functions like rotation and scaling were ...
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Does using Eevee with heavy rendering make Blender lag like in Cycles?
I use blender 2.79. When I render really heavy objects blender starts to lag, although my PC specs are good. Does Eevee do the same? I have seen on youtube that it is much faster, but what about very ...
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Blender stops responding temporarily when adjusting sliders
The Blender application frequently stops responding temporarily when I attempt to adjust value sliders in the UI. Once it starts responding again I can adjust sliders normally however, five minutes ...
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252
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Why does Eevee take so long to render an empty scene?
If i open a new instance of Blender with the default cube scene and hit Render Animation, the rendering speed is something in the neighborhood of 2 to 4 frames per second. Even after making the scene ...
- 101
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499
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Performing a quick / rough render
Is there a way to reduce the quality of a render in order to output it quicker? I'm currently using the Cycles Render in Blender 2.79 and find it quite slow on my old machine.
It would be good if I ...
user79329
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RTX Quadro 4000 vs RTX 2080 [closed]
I`m from Russia so sorry for my English.
I have to plan to start learn blender (sculpting and making short cartoons 5 min max)
Now I have 8700K + 32 RAM + RTX 2080
Do be better to change GPU to RTX ...
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186
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EEVEE Adding noise texture lags out renderer
I'm trying to make a Dr. Strange style shield, I've got the lighting down, but whenever I add the noise texture to vary the light on the shield, it lags out whenever I try to render the animation. Any ...
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886
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Where is the 'Windows draw method' option in 2.82?
I started using a stylus but Blender is lagging pretty hard in 2D animation when drawing (sluggish, stuck). I looked up for advice and many suggested to reduce the number of allocated threads in the ...
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109
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Are there any settings I can tweak to speed up blender?
I'm running blender on an older computer and it is a bit sluggish. Are there any settings I can change to get better performance out of the UI?
I'm using blender 2.8
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Blender doesn't use system resources optimally
let me just preface this by saying I am new to Blender and have a very minimal knowledge pf it as of now.
The problem happened as I was following along with a tutorial and while doing a cloth ...
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572
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Limits of uv unwrapping in blender 2.80
I've been researching how Blender uses the CPU. It seems each algorithm is different where some may use all cpu cores, others may only use 1 or 2 cores.
I am trying to unwrap a very high poly count ...
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467
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How to allow blender to only use part of your CPU computing power?
Is there a way to only allow blender to use part of my computing power? For example, I don't want blender to use more than 25% of my CPU computing power. Please make sure that it doesn't shut off ...
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171
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Does decimate an object helps cycles rendering faster in blender?
Does decimate an object helps cycles rendering faster in blender?
If we decimate the object and use smooth shading, will it render faster specially in those scenes where lightning matters the most?
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Blender runs very slow on my laptop and freezes a lot
Blender runs very slow on my laptop and freezes a lot. I did everything to fix it but it didnt work, so I'm thinking the problem might be my computer.
Here's the properties of my laptop:
Operating ...
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1
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1k
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Cycles Renderer - Updating Shaders and Images Every Frame?
This question is more of a curiosity to the potential of increasing render times, however, after finding very little out about this anywhere else, I am thinking it may be an intentional feature.
I am ...
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897
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Why is my viewport performance (a lot) slower when using solid mode compared to rendered (eevee or cycles)?
When I use solid mode for my viewport Blender suddenly becomes very slow and laggy. I can still move the camera around or change stuff, but only with a lot of delay. When I switch rendered mode the ...
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904
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Does mesh size affect performance/should I make my object life-size scale?
All of the things I've googled regarding this issue deal with what to do when your mesh is at real life scale but is really small.
I want to make a giant creature and put it in an environment that ...
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688
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Does Blender support threading for data processing?
One of the most time taking part while working with images in Blender is to get pixels to numpy arrays and then to assign them back. As Blender supports multi-thread render I've thought it could be ...
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2k
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Blender 2.82a very slow compared with 2.79
I am coming back to use Blender after a bit of a break of a couple of years. I did a lot of work using version 2.7x. I am now trying to use version 2.82a.
My PC is running Linux Mint 19.3 I have ...
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0
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38
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Confused by the difference in render time between two projects
I'm still a beginner with Blender (been doing stuff occasionally for a year now), so I've got no knowledge about the intricate technicalities of rendering but this is the first time I'm really ...
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49
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Troubleshoot performance?
Are there any tools or options to help troubleshoot performance? When using blender, every few seconds I get a split-second of lag. This interrupts any smooth movements, like transforms, or scrubbing ...
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swap "disable in viewports" and "disable in renders"
I'm working on a big project and to improve performance I have hidden a lot of modifiers and objects in viewports. But now I want to see how the current full version of the project looks like in ...
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71
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How much would Blender benefit from multiple core / threads?
I'm currently building a PC for game development (and regular gaming of course :P) and I have all of my parts chosen (Radeon RX 580, 16gb Corsair vengeance, 256gb m.2, 1 TB HDD, MSI B450 Gaming Plus) ...
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What graphics card is faster than i7
I have a 5th generation MSI BOARD, H77MA-G43 with 16 Gig ram and CPU: i7 3770|3.4GHz.
I render within cycles, the render time of the i7 CPU is 5 times faster than the GeForce Gtx 1050 ti
What graphics ...
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71
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Extreme lag in the viewport directly after Startup
I've just installed Blender on my new Surface Pro 7
(Quad-core 10th Gen Intel® Core™ i5-1035G4 Processor, Intel® Iris™ Plus Graphics, 8GB LPDDR4x RAM) and really can't get it to work properly.
(...
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1
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1k
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Performance: Eevee vs Blender Internal
In my application I use Blender's Internal rendering engine (headless mode) to render quick mock-ups of various items. BI yields plenty quality, however speed is essential (it's a web app) and I wish ...
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344
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Blender 2.82, two GPU but only one render in Cycle
I'm not sure is this should be like that but, I have two GTX 970 graphic cards...and when I try to render something in cycles, I've notice that only one GPU works about 30-40 % and second one stays on ...
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2k
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How can I get the number of vertices/triangles per object?
I'm working on a scene that's getting complex: I have 30 objects for a total of about 5 million triangles. I start to be concerned about performance.
I would like to know which of the objects ...
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1
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1k
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Lag when viewing meshes in texture shading mode
I've been working on a ps1-style model, very low poly, and was UV mapping some textures onto the mesh, but when I tried adding another texture, the viewport started lagging a ton.
I could still move ...
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1k
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Render is much faster when laptop is plugged in and charging [closed]
My laptop seems to be rendering infinitely faster whilst charging then it does when it's not charging for some reason.
My setup is an i7 9th gen w/ an RTX 2060. I'm rendering using OptiX.
As can ...
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1
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389
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Blender 2.81 render not using all GPUs
I have 2 Nvidia GTX Titan Black graphics cards in my machine, but Blender keeps using only one of them.
I have them both checked in the Preferences > System > CUDA tab but when I render and take a ...
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65
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2080 TI staying below 35°C rendering in Cycles. Why?
So I just finished a 24 hour render of a smoke simulation in cycles using Optix with my 2080 TI and I’ve been noticing that my GPU never passes 35°C. I feel like that’s very cool and that I’m not ...
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209
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Is it worth running Linux on my Mac to use the built in AMD graphics card?
Is it worth running Linux on my Mac to use the built in AMD graphics card with Blender? Right now I'm only using cpu and it takes a very long time for high poly rendering. Would it work to partition ...
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933
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Terrible VSE output performance when rending
I use Blender as VSE.
I was going to edit some clips. my setting is in screenshot.
Blender version: 2.81a, download from Steam.
OS: Win7-64bit
My Hardware:
i7-4790k with 16G memory
Nvidia Geforce ...
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197
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Integrated Graphics Requirments for Newer Laptops?
I'm buying a 10th Gen Intel Core, HP laptop. The specs say it only has an Intel Graphics Coprocessor.
Will it run blender 2.8?
https://www.amazon.com/2020-HP-Touchscreen-Premium-Laptop/dp/B081SM57RY/...
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2
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6k
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Low FPS Blender(viewport)
Started using blender, FPS was great, but the UI was flickering. Googled, I didn't have an opengl32.dll in the directory, then added it. UI Flickering gone, but FPS dropped drastically.
Would like ...
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Hacks for improving performance on large scenes [closed]
Hi I’m using blender mostly doing exterior architecture visualisations. Through previous months I’ve found many problems that affects this software. But the main issue is lack of performance power ...
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1
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467
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OSX Eevee performance with multiple materials in OSX
EDIT 2: Thanks to a user posting a detailed technical explanation as to why the bug is manifesting (TL:DR, certain material properties cause multiple calls to the shader compiler in the AMD driver ...
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Blender 2.81a is slow on Macbook pro when selecting items from the Properties window
I recently got a new MacBook Pro so I have more free space on my computer's memory than ever before and yet my properties window still makes blender run slowly. My Macbook pro is a new model so it's ...
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Is it possible to render a movie on a single computer in blender?
Is it possible to render a fairly graphical movie on a decent gaming-computer, with a GTX graphics-card, 4 2 GHz core CPU and 8 GB of RAM, or do you need to have a gigantic rendering-farm like Disney?
...
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54
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Screw Modifier Best Practices
I am creating a three-strand rope in blender using the screw modifier and was wondering what might be best practices for making a long rope. Essentially it is a choice between iterations or degrees. I ...
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Script runs very slow when changing parameters in Add Object menu
I've made my first addon based on an internal blender Text editor template. It is used to add primitive meshes and then control some of their aspects, much like adding primitives like Cubes or UV ...
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