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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Blender settings and Windows drivers for OpenCL rendering

I recently got a Radeon RX Vega 64, first time AMD GPU user, so I'm not quite sure how to set Blender up for it and/or the drivers I'll have to have installed in order for it to work correctly. So ...
sekce's user avatar
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3 votes
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OpenCL GPU rendering with AMD Carrizo?

I just got a new laptop that said it had the AMD Radeon R7 mobile graphics in it. Ubuntu recognizes it as "AMD Carrizo", and Blender 2.79 doesn't have the "OpenCL" GPU rendering option in the System ...
Jesse's user avatar
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2 answers
882 views

OpenCL option not available in Blender 2.78c running on Ubuntu 17.04

Dedicated GPU: AMD Radeon R5 M330 (HAINAN), Drivers: radeon + Mesa 17.2.0 obtained from the padoka PPA. Blender Version 2.78c downloaded from blender.org Tried ...
Tooniis's user avatar
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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 ...
Travis Trapani's user avatar
2 votes
1 answer
4k views

GPU rendering Crashes Blender

I have nothing but all factory Defaults and a simple cube....(Typical Start-up with a changed theme.) 1 Month ago, I installed Blender 2.78c as an upgrade from 2.77. I had this issue then too. I was ...
Travis Trapani's user avatar
1 vote
1 answer
103 views

Good AMD GC but only find "SCRAPPER" where there should be a compute drop down menu

I have been trying to get my AMD Radeon card to finally be recognized by Blender. It was working beautifully then I installed the Sensei Format and all of a sudden I lose my ability to render with GPU....
Travis Trapani's user avatar
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268 views

OpenCL version missing from User Prefs

As seen in the picture, I have no option to select OpenCL as a solution to render with. I'm using Blender 2.78.5 (the version where we do have the Principled BSDF shader). I'm on AMD Radeon HD 8730M ...
agiro's user avatar
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7 votes
2 answers
7k views

AMD RX550 (4GB) GPU - OpenCL not available in Cycles Rendering Compute

I recently purchased a new GPU, and AMD RX550 (4GB), but in Blender OpenCL does not appear as a choice. Would this have to do with the fact that AMDGPU-PRO drivers include AMD's OpenCL? I don't ...
David's user avatar
  • 71
1 vote
1 answer
2k views

Rendering Error with OpenCL

so I just started with Blender and wanted my adjust my render so it will use the GPU. At first it didnt work so I updated my drivers and everything was fine. So now i just tried to render a full ...
Chimitsu Nagase's user avatar
3 votes
1 answer
11k 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 ...
Niclas's user avatar
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Can we mix CPU, Cuda GPU and OpenCL GPU for Cycles Render Farms

We have a few machines sitting around, some are cpu only machines, while other have nvidia or AMD gpus. Can I get all these machines hooked up and use the fastest rendering method on each machine for ...
Tom C.'s user avatar
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375 views

Using GPU (need OpenCL 1.1)

I just started learning blender and I have NVIDIA GeForce GT 650M. I am trying to use GPU in blender. I am not sure how all this works yet, but I believe I need to install OpenCL 1.1. I am wondering ...
gkdub's user avatar
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1 answer
915 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 ...
Tooniis's user avatar
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Problems with latest versions (2.77-2.78) on AMD GPUs

Sometimes I have to use a cheapo laptop I bought back in summer but it was still cool, because I could combine both the APU and discrete AMD graphics to render 2-3 times faster than the quadcore CPU ...
M25's user avatar
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4 votes
1 answer
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 ...
André's user avatar
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How can I get my AMD GPU to work in Linux under OpenCL?

OS: Arch Linux kernel 4.7.6-1 GPU Driver: AMDGPU 1.1.2-1 Xorg version: 1.18.4-1 Blender version: 2.78.a-1 (latest in official Arch repo) I'm 100% sure Xorg is loading the GPU driver based on the ...
Payden K. Pringle's user avatar
1 vote
0 answers
2k views

Cycles GPU Compute won't render

I tried to enable gpu compute with opencl and it says "Loading render kernels this may take a few minutes the first time" when i click render and it just says that forever and never even renders and i ...
Joseph's user avatar
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2 votes
0 answers
1k views

Enable OpenCL GPU Rendering on Ubuntu 16.04 with Intel Skylake GT2?

I know this is experimental technology and I shouldn't get my hopes up; I installed both the proprietary Intel OpenCL SDK (2016) and open-source Beignet (they don't seem to be interfering with one ...
m88's user avatar
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1 vote
1 answer
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Render gpu use 1 core cpu! [duplicate]

There are things that I do not understand. When you use gpu only uses 1 core. Solution or explanation? Blender 2.78 release 1475052116 Amd fx 8120 ram 16gb 1600 ssd 120 kingstone + hdd sata3 500 gb ...
juan cusa's user avatar
1 vote
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959 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 ...
Jesse van der Duin's user avatar
1 vote
0 answers
283 views

CPU and OpenCL gives 2 different rendering result?

the 1st pic is made by cpu, the 2nd opencl. How do I make OPENCL work the same as CPU?
ngo ductri's user avatar
-2 votes
1 answer
572 views

Cycles uses processor as compute device

My problem is that my graphics card is not available in the compute device option: Instead it shows my Intel Core 2 Duo, which is my processor. Already set ...
DanishDanial339's user avatar
1 vote
0 answers
322 views

Ugly stripes when rendering with GPU, even with high samples

I came across a problem which I couldn't find any solution through google. With my new GPU (R9 390X) I get when rendering with it, distinct stripes, especially in darker areas. Does anyone know the ...
jommso's user avatar
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1 vote
0 answers
931 views

Horizontal Render Artifacts When Using OpenCl

I've just started rendering with my new AMD GPU and realized that I'm getting some strange horizontal line artifacts. As you can see, in the box on the right, there are strange blue lines, and all ...
user2620255's user avatar
2 votes
0 answers
397 views

OpenCL won't work for cycles, Mac

I just started usuing cycles render on a Mac, and Was told GPU rendering is much faster. The only problem is that the GPU rendering never happens it just makes a light grey and dark grey checker board,...
ToppolTheCat's user avatar
1 vote
0 answers
648 views

Cycles on AMD takes abnormally long time to render

Since I upgraded to the latest version of OS X and Blender 2.76, I was looking forward to finally being able to use GPU acceleration with my AMD card. Instead, using the BMW benchmark scene, it is now ...
Mark Borok's user avatar
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0 answers
116 views

Query on OpenCL 2.0 support

Does the Blender-2.76 support any of the OpenCL 2.0 features like SVM, C11, atomics, etc … ? I would like to know whether you plan to support the 2.0 in upcoming releases? Thanks, Srinivas
scharupa's user avatar
2 votes
0 answers
945 views

Cycles OpenCL on a OS X?

I'm trying to get Blender working with OpenCL on a Mac but I get errors during the run (it tries to do compilation first and that fails).
Ibuprofen's user avatar
2 votes
2 answers
641 views

GPU rendering no light penetration in large scene

When i am rendering in cycles large scene (not really, 470k verts) in GPU mode there is no light penetration through holes and glass, even if i render with 10 samples. In small scene (<80k verts) ...
ne1s's user avatar
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3 votes
1 answer
2k views

How to enable GPU rendering with my Radeon card in Linux?

I am currently running Ubuntu 15.04 64-bit on a machine with a Radeon R9 270X GPU. I've grabbed the latest 64-bit Linux build from this page (currently 2.75-a08f8a4) and I have installed the latest ...
Nathan Osman's user avatar
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2 votes
0 answers
184 views

Blender 2.75a: No Compute-Device for Cycles under GTX 750 Ti [duplicate]

I'm using Ubuntu 14.04 LTS, with a brand-new graphics card, GTX 750 Ti. I have even updated the drivers, but for some reason Blender (2.75a) doesn't seem to be allowing Cycles to render with my GPU. ...
Tushant M's user avatar
1 vote
1 answer
2k views

OpenCL build failed on AMD R9 290 - Insufficient Private Resources

I'm running Blender on windows. Recently I tried to use GPU rendering with my AMD R9 290, but upon rendering, I get an error reading "OpenCL build failed: error in console." Meanwhile, in the console:...
Adi's user avatar
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2 votes
1 answer
2k views

Support is planned OpenCL 1.0 in Cycles?

I have an AMD graphics card (HD 5830), but the rendering runs on the CPU, because Blender not see my graphics card. I think that it will render faster on the GPU than the CPU. UPD: I waited the ...
Вячеслав Ташкин's user avatar
4 votes
2 answers
4k views

How to enable openCL rendering in Blender 2.75 rc2

I'm using Linux Mint and I was trying to enable GPU rendering, but I still have only CPU option in user preferences... Linux Mint 17.1 x64 Radeon HD 7850 Blender 2.75 rc2 amd-catalyst 15.5 ...
Dmitry's user avatar
  • 111
11 votes
1 answer
15k 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 ...
dotNET's user avatar
  • 919
96 votes
3 answers
237k 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?
6 votes
1 answer
2k views

Why is "Smooth" shading slower than "Flat" shading in the viewport?

When I set a Mesh to shade as "Smooth" vs "Flat" on a high-poly Mesh Object (such as one with a subdivision modifier), it makes Blender much slower than normal, sometimes almost unusable. Why does ...
A Wild RolandiXor Has Appeared's user avatar

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