Questions tagged [opencl]

Open Computing Language (OpenCL) is a framework for writing programs that execute across heterogeneous platforms consisting of central processing units (CPUs), graphics processing units (GPUs), digital signal processors (DSPs), field-programmable gate arrays (FPGAs) and other processors.

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85
votes
4answers
201k views

Enabling GPU rendering for Cycles?

I want to enable GPU rendering, but there is no option in User Preferences > System: Why is this? How can I get cycles to render using my GPU?
11
votes
1answer
12k views

Is it possible to do OpenCL rendering on Intel processors?

Intel processors have supported OpenCL for a long time now; latest versions (Haswell and above) support OpenCL 2.0 or better. Why don't we have a GPU rendering option when using Blender on these ...
0
votes
1answer
719 views

Rendering with AMD Radeon R5 M330 gives an error that I can't understand!

So lately I started making an animation that has a lot of detailed objects, which made it render very slowly on my Core i5-6200 (clocked @ 2.30 GHz). I'm using the Cycles rendering engine (Internal ...
4
votes
1answer
1k views

Why can't i render smoke with my AMD graphic card

When I try to render smoke one GPU it just gives me an OpenCL error, on the CPU its just fine. I have a ATI HD 7850 2GB ddr5 OC (gtx970 just fried) and since I installed the graphic card I can't work ...
4
votes
1answer
377 views

Multiple GPU limitations with OpenCL and cycles?

I'm trying to make blender work with 20 GPU's, however I'm able to concurenntly force only 13 of them to work together while rendering one frame(13 tiles, one gpu per tile). Is there any limitation of ...
3
votes
1answer
8k views

How to do GPU rendering on MacBook Pro 2016 (AMD Radeon Pro 460)

I'd really like to do GPU render on my new MacBook Pro 2016 with AMD Radeon Pro 460, but I get the dreaded Loading render kernels (may take a few minutes the first time) problem. I don't see my GPU ...
1
vote
0answers
676 views

Cycles OpenCL GPU Render Gray Overlay/Mist?

Dear Blender Community, Several weeks ago I suddenly experienced difficulty when rendering on my GPU. Whereas before the renders looked just like the CPU renders as they are supposed to, my GPU ...