Questions tagged [optimization]

For use on questions asking how to optimize specific things. i.e. game logic, rigid body simulations, viewport performance.

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31 views

OptiX Tile Size and Render Times

OptiX rendering, to my knowledge, uses the RT cores in the Turing architecture cards like my 2060. How does tile size affect the render speed? As far as I know the general rule is to increase tile ...
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28 views

How to optimize Viewport for video editing on low-spec hardware?

I downloaded blender in hopes of using it for simple video editing, and while it appears to have all the tools I want, trying to preview the video is simply not working well enough. The preview is ...
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Pose planning for reflective surfaces. Difficult mathematical / geometrical problem . Possible with blender?

first of all this is not a blender - specific question, but i would like to realize it if it is possible with blender since it is open source and can be combined with python programming. I am working ...
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Eevee - Viewport Render image vs F12 rendering (speed) [duplicate]

I wonder why Eevee renders slowly when pressing F12, while viewport rendering does the same exact picture (down to the pixel) but takes less than a second. Where are these seconds lost ? What kind of ...
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63 views

Does Blender bloat unnecessarily the Windows Registry?

According to Revo Uninstaller, Blender adds more than 4400 registry keys to the Windows Registry. They are almost all spread in Registry folder: ...
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1answer
35 views

Good amount of Tris for a mobile game? [closed]

What would be a good amount of tris for a character that will be used in a mobile game? So you have an idea lets say a mobile game like Clash Royale, I'm of course trying to keep it low but I just ...
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1answer
29 views

(Beginner) Large metal ceiling optimization

I'm pretty new to blender. I am trying to render a large metal ceiling (over 120m long) (see image) you would not see through it you would not see the edge as it is on the ceiling, the vertical ...
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1answer
26 views

Rendering particles vs ALT+D copying the object

I have a simple question. Is it better for render time and optimization to add for example Trees as particle system or to ALT+D duplicate it as many times as i need. What will be easier for memory?
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27 views

How can I tell blender that each of those red planes should be like the one on the right?

I want to automatically change every one of those planes at the same time,so when I am in need to redesign it, have all linked to one object, but, without having to link duplicate manually that object ...
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16 views

is there a way to unify the direction of edges or assign them a direction?

basically I want to find out a way to set the same direction to a selection of edges having almost the same direction like in picture (to select them all I select one, press shift + G and choose ...
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1answer
27 views

Rendering scene background in only some frames of an animation

Is there any way to render a specific scene, say the background, during only the second half of an animation while the foreground renders the entire time? For example in a 100 frame clip could I get ...
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1answer
189 views

How to not render unnecessary tiles? [duplicate]

When rendering an image in cycles render, I find that lots of the time is spend rendering completely blank tiles, especially when I have high samples. Is there any way for blender to know when a tile ...
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132 views

Optimizing Crystal Render Times in Cycles: Blender 2.8

I don't know if i get an answer here but I have an optimization question. I made a crystal in blender (star wars kyber crystal). The way i did it is 3 parts. A small crystal on the inside that has a ...
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20 views

What is the most optimized way to create mesh from vertex web

I have this web of vertices that I want to convert into optimized mesh. When there is a big angle it goes smooth and when there is just a straight line it creates one "box" of vertices. I tried skin ...
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61 views

Optimising a displaced plane

New to blender and I've run into a problem where I ideally need to subdivide a mesh futher (see attached), but any increase in subdivisons results in running out of memory(I have 16GB) despite render ...
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1answer
127 views

EEVEE 2.80 toggling render visibility based on camera view

I suspect this is possible, but don’t know where to start. I think drivers might be the key. I want to animate EEVEE render visibility of 24 objects off when the object leaves the camera FOV and on ...
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162 views

How to remove aliased lines with anti-aliasing?

I rendered my image with Eevee (256 samples, resolution - 1920 x 1080) and this is what I've got: There are ugly, sharp edges on my rendered image (these ones I highlighted). Also, in the upper part,...
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26 views

Is there a way I can simplify a mesh based on the distance between it and the camera? [duplicate]

I have a plane I used the ocean modifier on with a relatively high resolution. Is there some sort of function that blender has to simplify my mesh the farther it gets from the camera, according to the ...
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1answer
85 views

how can i quickly optimize this mesh out from a curve?

this is a hair that i have done for my character there, so its made out from a curve, after convert it to mesh, it gave me too much verts or poly count, i need to optimize it, i tried the unsubdivide ...
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41 views

How to removing internal meshes from the stack of cubes?

I have a created a model with a stack of cubes that forms one big single model. There are so many unnecessary faces and cubes present inside the model. I have to remove all the internal faces to ...
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23 views

Drivers / Constraints resourses usage

I'm trying to optimize the rig of a cartoon creature, and this rig has really large amount of bones (more than 400) to have all the abilities according to the plot. I have IK/FK chains, Stretch To ...
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26 views

How speed up rendering of animation recorded simultaneously from multiple point of view?

I'm rendering an animation recorded from multiple points of views and then integrating the result through the compositor. The current solution is creating multiple scenes, one from each point of view....
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234 views

Is there a way to tell Blender NOT to load certain images during render?

So I have this problem, renders take too long because its loading unnecesary images. I'm working on an animation and I'm using very large Images with all the character frames. And I want to somehow ...
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1answer
74 views

Low Spec Computer Normal Baking Tips?

I'm doing the quick normal bake from high to low poly for a 300K vert mesh, but my system is struggling to keep up with the higher poly mesh. My inclination was to do some dyntopo sculpting and ...
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33 views

Can we setup a recurring function that executes every 5mins?

We want to track how our internal team is using our addon. Can I setup a function that reads the current active file that is open and log the time along with it, every 5minutes.
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1answer
394 views

Render in Real Time? Fasten Render Times?

i do love to use this software, for a lot of things, like faster modeling, and friendly interface; The thing is, i work for a Dome System, so i have to Render 4K (4096x4096p) resolution frames at ...
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29 views

Is there any easy way to delete unnecessary vertices/trianlges?

In this example, there is a lot of unnecessary triangles and vertices, is there any magic tool that can delete them?
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1answer
181 views

How to hide all subdivision to optimize viewport

I'm working on a scene that is entirely based on subdivision loops, As time passes by the scene got detailed and the view-port got laggy. I turned off subdivision views to optimize it, but that meant ...
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1answer
670 views

How to automate polygon reduction using python?

I have several models(more than 1000) in FBX format and I want to decrease their polygon count. I'm using decimate modifier. Since there are so many models and the task is not too complicated, I was ...
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1answer
158 views

Outlines display option “visible layers” does not work. How to fix it?

When i select display mode of "Visible laters" only in outliner, it still shows objects that are on other layers, that are currently not visible. Even when current layer is empty. How to fix that?
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1answer
267 views

Using GPU outside of rendering in background mode

Is there any way to use your GPU outside of rendering? I'm using blender to generate and change objects with python in background mode. The resulting scene is never actually rendered, just exported to ...
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1answer
491 views

Render large 3D graphs (Millions of vertices & edges)

I need to somehow render several large 3D graphs where each vertex has a position in 3D as well as edges between some of these vertices. I have an XML file with the graph structure (a list of vertices ...
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41 views

Optimization ( More cuts or stretching )

I want to make a house model but I am not sure which method to make walls for rooms would be better. Dragging around already existing edges that have no other purpose, but which are still necessary ...
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3answers
4k views

What does the simplify AO bounces value do?

I recently discovered that turning on Simplify in the Scene panel, and setting "AO Bounces" to 2, reduced my render times from 30 minutes to 10 minutes. A three times speed improvement! But... I still ...
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27 views

IS this what we could expect best for 200 samples? [duplicate]

I wonder if I'm going to land into the right part of the forum for this thread, appologies if I didn't. This scene is meant for an eventual animations. I tweaked some parameters to reduce the noise ...
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39 views

How to optimize all these objects in 1 Prop to Game?

I'm looking for a way to optimize all the popcorn particles to make a single object optimized to serve as a prop for games. What better method? Putting together all the popcorns the numbers are ...
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77 views

How can I avoid rendundant (no changes in progress) rendering?

I'm working on a project which is barely more than a fancy slide show, changing an image on a plane every few seconds. The issue is that every time I render an animation, it does it frame by frame, ...
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109 views

Render curves as hair particles?

I tried first to place hair particles with Python but Blender never let me do so, so here's the question the other way around: it is possible to pass curves to Cycles without meshing them and to treat ...
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1answer
58 views

how do i navigate blender on a vaio z canvas

I recently acquired a Vaio Z Canvas which has a very useful shortcut key menu that I can display on the left of my screen as can be seen in the image. Up to this point I've been using these shortcuts ...
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1answer
1k views

Is there a way to allocate more memory to GPU for the GPU Compute

I have been working on a solution to a situation I currently have with rendering using the GPU. In the process, I find that my Card's GPU Memory is only 512MB First Question, Could this be why when ...
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2answers
106 views

What are some useful ways to optimize my work flow while using blender?

I am not sure exactly what I am missing when it comes to the optimization of Blender but I wonder if maybe there is some tips that may help me to better optimize my scenes to get a great output while ...
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2answers
414 views

optimize blenderswap models for unity (mobile use)

i like some of the models on blender swap but the issue most of them have the models as separate meshes and materials therefore it will be a lot of overhead on mobile performance, is there an easy way ...
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1answer
3k views

MakerBot won't slice my model

I need to make a casing for an Arduino device. Since I am new to Blender I am struggling a bit but I successfully managed to make a casing with a lid. I also did some cleanup to prepare for 3D ...
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1answer
401 views

AMD RYZEN Particles and Physics Simulations optimization needed [closed]

teddiursa here. I bought AMD RYZEN 1700 and it helps a lot with cutting down rendering and compositing time. But it becoming more apparent that Blender's Particles and Physics Simulation does not ...
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1answer
850 views

Benchmark optimal settings documentation

I realize that hardware questions are off-topic here, but I think this question about documentation and optimization is not really hardware dependent - it's a question of being able to reproduce ...
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1answer
58 views

I have some strange noisy places in render

When i render I'm getting strange places which are grainy, only on the right side of the picture. Would appreciate help.
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353 views

Fastest and Cleanest way to lower fluid polycount

As it bake the fluid result is pretty poly expensive because polygons are sync with voxel resolution. What's the best way to get an optimized mesh out of a baked-applied-motionless fluid model? ...
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1answer
77 views

How can I decrease the size of textures in my blend file programmatically?

I'm new to blender. I have a big .blend file and I need to decrease the size of the textures. How can I do it programmatically?
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1answer
643 views

Can't disolve edge and faces

I am very new to blender and I have a problem where I can't dissolve these two faces and I don't know why. Can someone help me ? Link to the blender file if anyone need it : https://mega.nz/#!...
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1answer
1k views

How to increase performance in the View Port?

I have model that has 100 000 cubes forming a 2d grid from a birds-eye view. The cubes are very simple in geometry, but still, with 100-200k it's hard to perform some tasks around the viewport. Are ...