Skip to main content

All Questions

Tagged with
0 votes
1 answer
3k 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. ...
Bigfoot Blondy's user avatar
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), ...
Anna's user avatar
  • 465
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 ...
Lukas's user avatar
  • 61
1 vote
0 answers
762 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 ...
Stephen Samuels's user avatar
1 vote
0 answers
219 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 ...
DATALOT's user avatar
  • 182
1 vote
3 answers
5k 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 ...
andraskrajko's user avatar
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!
leosefcik's user avatar
  • 125
1 vote
2 answers
3k views

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 ...
leosefcik's user avatar
  • 125
0 votes
0 answers
645 views

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 ...
Aaron Amadeus's user avatar
0 votes
2 answers
4k views

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 ...
snipers500's user avatar
4 votes
1 answer
701 views

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 ...
Felipe's user avatar
  • 59
5 votes
1 answer
3k views

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 ...
Ascalon's user avatar
  • 6,647
2 votes
3 answers
500 views

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 ...
Shane Levene's user avatar
3 votes
1 answer
400 views

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 ...
YOLOnline's user avatar
  • 116
2 votes
1 answer
3k views

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 ...
Josh Silveous's user avatar

15 30 50 per page
1
4
5
6 7 8