All Questions
Tagged with rendering performance
120
questions
0
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1
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3k
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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. ...
2
votes
1
answer
732
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), ...
1
vote
2
answers
328
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
0
answers
762
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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 ...
1
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0
answers
219
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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
3
answers
5k
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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 ...
10
votes
1
answer
23k
views
What is Clamp Direct/Indirect?
What does the "Clamp Direct" and Indirect values mean? I may seem silly but i'm really new to blender. Could you please tell me what are they useful for? Thanks!
1
vote
2
answers
3k
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What does the Render and Preview of the Samples section do?
Yesterday, i put my animation to render, it went fine. But one thing that bothers me is: What is the Render and Preview? I actually discovered that the Render is something like the quality, so i keep ...
0
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0
answers
645
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Keyframes without interpolation / Behaviour [duplicate]
a quick question on how keyframes / rendering an animation works within Blender.
I want to render multiple images with different settings within some materials ,different shapekeys and poses, but no ...
0
votes
2
answers
4k
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How can I make Blender put less strain on my CPU?
I am using GPU rendering and my CPU is really bottlenecking blender down to only 50% of max GPU performance, while blender is taking up more than 90% of my CPU usage. How can I put less strain on my ...
4
votes
1
answer
701
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Using two GPU video cards
Does anyone know, how can I check if I am using my two video cards?
It seem Blender is using only one of them. I have checked both on the user preferences settings. But reading temperatures in GPU-Z ...
5
votes
1
answer
3k
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Screen lag during GPU rendering
GPU rendering causes some screen lag while rendering, with the amount depending on how heavy the render is. I understand this is due to the display driver being busy.
What I don't get is why it ...
2
votes
3
answers
500
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How to tweak render when each render takes so long?
Like any artistic project, until you can see that final render, it's impossible to know how close you are to achieving your goal. As we will all know, from being 'almost finished' to being finished ...
3
votes
1
answer
400
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rendering frame with image save every .... ( 100?) samples
For a project I'm working on I want to do some test renders to see how many samples I would need for the final image. I want to do this as time efficient as possible so I was wondering if there is any ...
2
votes
1
answer
3k
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Does CPU matter when rendering with GPU?
A bit of context: I've got two graphics cards (not in the same build, my motherboard cannot support that), a GTX 1060 and a GTX 960. I use the 1060 for most rendering and gaming and such, but the 960 ...