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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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Error when rendering with GPU

I’m still quite new to blender so this may be an obvious question. When I’m rendering my scene it works fine with CPU, but the GPU brings an error “scene too complex to fit in available memory”. The ...
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1answer
147 views

Blender on Linux - list of AMD GPUs that work with Cycles/OpenCL [closed]

Which AMD GPUs are useable with a recent Linux, more specifically Ubuntu (18.04) and AMD drivers? Or are there some that definitely don't work? This question is not off topic because either a GPU ...
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35 views

Which driver should I use for Blender on Linux with an AMD GPU?

Which drivers should I install for best OpenCL performance on Linux? I recently tried installing the proprietary AMDGPU-PRO and they failed to install "Error kernel something". After that I tried to ...
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Blender 2.79 Cycles OpenCL RX Vega GPU extremely slow. (Ubuntu 18.04)

I am running Ubuntu 18.04 on a fairly powerful PC (Ryzen 2700x and Vega64) I finally managed to get OpenCL to work at all with ROCm-rehl drivers. When I render the default cube scene CPU rendering ...
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35 views

Does cycles or prorender use combined Ryzen 2700 & Vega 56 capabilities?

Ryzen 7 and Vega 56 uses OpenCl. Does cycles or amd prorender uses those opencl capabilities combined or do you need to choose gpu or cpu rendering. I amasking that because i saw in benchmarking ...
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53 views

Is radeon r4 compatible with Blender 2.8?

Hey everybody I was just wondering would AMD radeon r4 be compatible for openCL? Since it is integrated, openGL is out of the question. Specifically do you know what GCN architecture the r4 is? Any ...
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227 views

Blender 2.79 does not detect GPU AMD RX580

I've bought AMD RX580 recently and it seems Blender can't detect it, it has "none" in cycles compute device in system settings. I have ubuntu 18.04 installed, and already installed latest AMD linux ...
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1answer
136 views

How to bake using Principled + cycles under reasonable time? GPU + CPU = Instant crash

Here is the deal, I'm using principled shader to bake a simple object, it works is great but I've waited 36 Hours and it was at 70%. The object is a car with only 13K polys and I've separated the ...
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1answer
525 views

How to get OpenCL functioning for GPU rendering, AMD GPU?

I'm running blender 2.79b and Blender won't recognize my card. AMD Radeon HD 7900 Series, GCN 1st gen architecture OpenCL™ Version: 24.20.11021.1000 Vulkan™ Driver Version: 2.0.33 Am I missing ...
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32 views

Mix GPU rendering problem

I have a GTX 750Ti(2GB VRAM) and a GTX 560SE(1.5G VRAM) and I would like to mix them to render animations with Cycles. However, it runs out of memory easily when using both cards, but rendering on a ...
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66 views

GPU Render crashes before start

Blender appears to crash while loading render kernels for F12 Render (Cycles). I don't get any error messages, and Windows 10 doesn't say that it quit 'unexpectedly' either. My GPU is an RX 380 (4GB). ...
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405 views

Does Blender support the new AMD Vega M GL graphics card? If so, how must it be configured in order to work effectively?

This is my very first post, so please forgive and correct me if I do something incorrectly. I recently purchased the new (as of May, 2018) Dell XPS 15 2-in-1 laptop which has the new Intel Core i7 ...
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101 views

Cycles rendering with OpenCL keeps freezing

I've been using my AMD Graphics card for GPU rendering in Cycles for a while. I've never had problems, everything worked fine for months, until recently. When rendering with GPU, I can clearly see ...
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112 views

OpenCL on GPU and CPU together?

I'm running an AMD A10-9200 APU, with an RX 560. I am using Blender 2.79b master on Ubuntu 16.04 with Radeon Software 18.10, and rendering on the 560. Is it possible, easy, and/or beneficial to ...
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157 views

Use Cuda and OpenCL alltogether in Cycles

Hi and sorry in advance for my poor english, I was trying to use Cuda and OpenCL to render with Cycles. I run Blender with "--debug-value 256 " argument, set mega kernel for CPU in the Debug Render ...
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508 views

My Blender 2.79 crashes on Startup without loading the scene

I've had a problem with Blender for about a week since installing it where every time I start up the program, it launches the output window, then begins to draw the window, but it doesn't create any ...
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2answers
543 views

Selecting GPU with Python script

Alright, so i have a slightly strange system configuration. I'm running Zorin OS 12, which is roughly equivalent to Ubuntu 16.04. I am also running Mesa, but i use AMD's OpenCL. It works just fine ...
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118 views

Cycles gpu rendering opencl freezing

I have been learning blender for the past month and today i have found out how to enable GPU rendering but when switching from CPU to GPU compute my computer freezes. here are my specs: CPU: Intel ...
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278 views

OpenCL build failed, failed loading render kernel, isn't supported by clang

I have problem. I want to use GPU compute rendering, but when I change the userpreference cycles compute device to my gpu (OpenCL), blender cannot do rendering and shows that failed loading render ...
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49 views

OpenCL Blender Cycles help

I have different options for OpenCl and I don't know what's best for Cycles. Right now I have selected only my intel core. Is this correct? Do I need to select anything from the other drop down menu?
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1answer
129 views

Opencl is not working on the Radeon HD 7750/8740 / R7 250E [duplicate]

In "Cycle Compute Divece" appears "none". It's as if I did not have a video card. I have a board [AMD / ATI] Cape Verde PRO [Radeon HD 7750/8740 / R7 250E] It is listed as having Opencl support. This ...
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75 views

Principled BSDF ,micro displacement turns black with normal map [duplicate]

not sure if its supported or not, i'm using an AMD RX Vega56 (OpenCL). using a normal map in the principled BSDF + micro displacement gets me just a blck hole. is it supported? thanks for the help :)...
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176 views

How to utilize Cycles OpenCL with AMD FirePro W5130M?

I recently bought a Dell Precision 3510. It comes with two GPUs: AMD FirePro W5130M Intel(R) HD Graphics 530 When installing latest version of blender (2.79) i discovered the Cycles render engine ...
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1k views

Rendering Blender 2.79 on MAC PRO (late 2013)

I have been not that active with Blender lately, but I am trying to catch up with current development by installing Blender 2.79. Reading about all the improvements related to OpenCL I wonder what is ...
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1answer
662 views

CUDA & OpenCL GPUs compatibility in Cycles

I would like to add second GPU to my rig (currently I have GTX 1070). My budget allows two options: 1070 ti or Vega 64 (which seems to be much faster in Cycles) The question is: can a CUDA based GPU ...
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46 views

Some tiles are uncompletely rendered in Blender Cycles OpenCL render

When I render an image some tiles are weirly darker than they should be. I'm using OpenCL renderer and Blender 2.79 RC. Do you have any idea what might be wrong? Render result: Blender settings:
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1answer
417 views

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 ...
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122 views

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 ...
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1answer
434 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 ...
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1answer
634 views

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 ...
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1answer
2k 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 ...
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1answer
66 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....
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239 views
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114 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 ...
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1answer
2k 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 ...
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1answer
854 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 ...
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1answer
6k 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 ...
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OpenCL renders Final Render incorrectly

Whenever I try to render something with OpenCL over my Radeon HD7870, I get no to slightly visible meshes in the final image. If I turn the Viewport Shading to Rendered though, everything looks fine. ...
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846 views

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 ...
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192 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 ...
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1answer
545 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 ...
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258 views

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 ...
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1answer
961 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 ...
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1k views

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 ...
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1k 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 ...
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761 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 ...
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1answer
533 views

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 ...
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4k views

GPU rendering with RX480? AMD/OpenCL support?

I'm planning on buying an RX480 8GB AMD GPU, I wanna ask, how the current status of AMD GPU/OpenCL rendering is currently, since I've read on a few posts that its more trouble then its worth, I can ...
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573 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 ...
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238 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?