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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3
votes
2answers
3k views

Reducing internal faces generated by extensive curve extrusion?

Excuse my title gore. I've been modeling Gothic architecture: (reference) Here's the blend file I've been practicing with. So I'm extruding along curves a lot. The complication is the fact that ...
2
votes
2answers
3k views

Blender 2.78 file size grows and does never shrink

I made a huge project, wanted to reduce file size from 1.3GB to below 1GB. Compressing did not help. I removed objects from scene. Also textures. I then realized, the file size even was the same when ...
8
votes
3answers
3k views

Managing/Reducing noise in a night scene

I've been trying to get a pretty noise free image from this scene for a while. And nothing seems to be working. I've been trying to use 3000 samples, then rendering different noise seeds and composite ...
15
votes
3answers
4k views

Blender Sequencer speed is Extremely slow

I have a video (720p) that is 37 minutes long, with a bitrate of ~3000kb/s. This video is a game recording, so 37 minutes worth of this footage was written in 37 minutes, while other extremely CPU, ...
14
votes
2answers
16k views

File optimization: Duplicate or linked duplicate?

I'm currently in the process of optimizing my blend file. I am still relatively new at blender and would like some documentation on file size and render time reduction using linked or unlinked ...
1
vote
1answer
3k views

After importing svg, [mesh from curve] creates annoying results?

I have created some top views of buildings from AI CC2015 with simple paths, exporting to SVG files. After importing in Blender 2.73, I want to extrude them to make buildings. I pressed Mesh to ...
2
votes
1answer
473 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 ...
0
votes
1answer
940 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/#!...
36
votes
3answers
5k 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 ...
4
votes
2answers
2k views

Is it possible to dynamically reduce the number particles based on distance from camera?

I want to render an animation in which a car drives along a certain stretch of road. To one side there is a grass field, but this is quite big, both in the direction perpendicular to the car, and ...
1
vote
1answer
1k views

“Select Interior Faces” buggy and unpredictable? [duplicate]

I wrote a tool that outputs a Blender python script that generates a given Minecraft world in Blender using the fewest cubes possible. It's working great, but I'm having terrible difficulty trying to ...
1
vote
1answer
148 views

Quick keyframe frame insertion for Shape Keys with `foreach_set` from data

I would like to animate an objects' shape keys from a data set. Imagine a default cube that will get longer (side face vertices will move in +X direction) according to a data. The date looks like this ...
0
votes
1answer
54 views

More time is spent on render preparation than on the actual rendering. What can I do? [closed]

I'm new to blender and I'm stuck on this giant unsolvable problem that no one seems to have any solution for. I've modelled a quite complex scene in Blender: roads, bridges vehicles, buildings, trees ...
0
votes
0answers
79 views

Render optimization when frames are almost the same

Is there any way to boost rendering animation, where lots of chunks are not being changed? E.g. a sprite moving on a static background.The cycles renders some chunks over 100 times and they are every ...