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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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No cuda or opencl on my amd gpu [duplicate]

I have a radeon rx 590 gme card of amd, when i go to prefences there is no cuda hip or open cl all of them says gpu not found or something. so my question is how do i use this card with blender as i ...
Sgt Puke's user avatar
1 vote
0 answers
128 views

How to make Blender recognize RX5700XT [closed]

On a factory startup, Blender does not recognize my RX5700XT (RDNA1) even though I'm on 22.40 AMD drivers. (HIP) Is there documentation on how I should setup blender to get my GPU to work? System ...
Rey Leonard Amorato's user avatar
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0 answers
48 views

Compiling my own Blender hybrid with Cycles 2.93 and everything else 3.2?

I understand there are two python versions at play in this scenario, I think. Blender 2.93 had OpenCL and currently I'm stuck with an AMD R9 390x 8gb which performs fantastically in Cycles pre-3.0 but ...
Glassghost's user avatar
1 vote
0 answers
51 views

Regarding Alternatives To OpenCL Support

Proud user for over 10 years-- I recently attempted to upgrade from 2.93 to 3.2 and realized openCL support is no longer offered for Cycles. I'm using an Acer Nitro AN515-43 Laptop which is about 3 ...
Kenn Toomey's user avatar
0 votes
0 answers
175 views

Updating device takes so long

I'm using Blender 2.93, I'm enabling System > Cycles > Render Devices to OpenCL. From 10 am until 12pm, its 2 hours already, but its still updating devices is this normal? my system ...
BlenderLearner's user avatar
0 votes
2 answers
2k views

OpenCL gpu rendering option not visible after install

By default it seems that AMD gpu's require openCL to use gpu rendering on fedora 35. However, it can be a little tricky to install openCL on fedora 35. I followed the steps from this reddit link, ...
akozi's user avatar
  • 103
1 vote
0 answers
63 views

Missing object when rendering using OPENCL GPU and CPU render

I'm new in Blender, so I tried to make an animation following youtube tutorial. I have problem when using OpenCL for rendering Some object is missing and the physics on the object is not working. It ...
Kalikautsar's user avatar
0 votes
0 answers
40 views

Blender OpenCL uses all of my RAM, and my VRAM, and makes my computer crash

I have this weird thing with OpenCL/Cycles, it uses 5 GB of my ram + half my VRAM (4 gb) and the scene i am rendering isnt even complex, it is just a rigid body simulation. How do i fix this or why is ...
Rover's user avatar
  • 1
4 votes
1 answer
2k views

Cycles OpenCL and Mesa driver support

The Mesa driver from version 20.3 has full OpenCL 1.2 support, but Blender doesn't support GPU rendering using Cycles render. Why? When can we expect full Mesa driver support? My GPU is an AMD 5700 XT
Andrey  Yankovich's user avatar
1 vote
1 answer
96 views

MacBook Pro 2018 - No render devices for OpenCL (2.91.2)?

I am using a 2018 Macbook Pro and I cannot find hwo to setup OpenCL to accelerate my renders. Is there any way to make that work?
Jackson Schoening's user avatar
1 vote
0 answers
187 views

Why doesn't Blender support OpenCL on NVidia cards?

I saw the existing question Why doesn't Blender detect RTX 2060 with OpenCL? but it does not really answer this question but just stating that it does not support it. I would like to know why. ...
Damn Vegetables's user avatar
0 votes
1 answer
267 views

OpenCL error when GPU rendering in Cycles

When I try to render using my AMD 5600XT in Cycles, I get a error that says OpenCL error (-52): CL_INVALID_KERNEL_ARGS in clEnqueueNDRangeKernel This happens in any scene, even a brand new one after ...
Edward Hurley's user avatar
1 vote
0 answers
9 views

OpenCl Button Greyed out [duplicate]

I have a Geforce mx130 and I use Blender, but the OpenCL button is greyed out. Does it mean that OpenCL is not installed or does it mean that something went wrong? I am a Newbie
JelloKing250's user avatar
0 votes
0 answers
193 views

No compatible GPUs found for the path tracking

The error when open Blender as I am using the AWS instance G4x4large (GPU Tesla T4). As I read here this GPU support OpenCL here
Tony Vo's user avatar
1 vote
1 answer
1k views

Blender 2.82 does not appear to be using GPU

We're running a headless renderserver (Threadripper 1950x + 2x RADEON VII + 128GB RAM). It's running Ubuntu 20.04 LTS and has blender 2.82, 2.80 and 2.79 installed. In 2.82 we're seeing the CPU being ...
Wouter Vandenneucker's user avatar
1 vote
0 answers
171 views

Blender on a macbook pro 2015 Catalina with Intel Iris pro and external Monitor bad performance

Blender 2.8.2 performance is very bad with an external Monitor - the basic cube stutters when moving. With the internal Monitor it is ok, with blender 2.97 it is ok. So it seems to have something to ...
Markus Weller's user avatar
1 vote
1 answer
2k views

Why doesn't Blender detect RTX 2060 with OpenCL?

Though the question was asked many times, I can't find explanation for Nvidia RTX 2060. Nvidia drivers got OpenCL support. I don't understand why Blender says no GPU detected to render cycles with ...
Gowtham's user avatar
  • 11
0 votes
2 answers
384 views

Rendering in Cycles on OpenCL GPU Compute Leads to Artifacts

I've switched my renderer to GPU compute and get pretty terrible artifacting along with garbled denoising data. I'm asking this here because Cycles rendering seems to be the only OpenCL workload that ...
Brian Lu GeekyStudios's user avatar
0 votes
1 answer
419 views

Unwanted Lines when rendering using GPU and OpenCL (RX 580)

I'm new to blender and have been studying and starting with low poly modeling. Recently I changed my GPU from a GTX 960 to an RX 580. I uninstalled the drivers and installed new ones using DDU. ...
Gianello's user avatar
0 votes
0 answers
106 views

Blender 2.83 crashes when deleting the default cube with OpenCL GPU Rendering (Revenge of the default cube?)

I wanted to try out GPU rendering with my AMD R9 Fury GPU. The Problem: When I enable OpenCL and GPU rendering and try to delete the default cube in the rendered viewport, blender crashes. When I hit ...
Bolodon's user avatar
3 votes
2 answers
2k views

OpenCL AMD Incompatible GPU

I recently installed an AMD graphics card in my machine (Radeon RX570 to be exact), which should be OpenCL 2.0 compatible according to AMD, but when I try to set my Cycles render device to OpenCL, I ...
Aidan F's user avatar
  • 31
2 votes
0 answers
224 views

Blender doesnt report opencl devices

I have two GPUs on my system, a nVidia GTX 1650 and a AMD 5700XT. Blender reports CUDA support for the nvidia card, but it doesnt report openCL support for the AMD card nor the nVidia card. ...
jjcasmar's user avatar
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1 vote
0 answers
978 views

Cycles GPU OpenCL render has square white artifacts and strange lines on an AMD RX 5700 XT in Blender 2.82

Issue: Rendering with my AMD GPU, either in GPU-only mode or GPU+CPU mode, causes artifacting (either strange black lines if GPU-only or white box artifacts of GPU+CPU) in OpenCL Cycles renders. GPU-...
Yusuf Ismail's user avatar
0 votes
0 answers
39 views

AMD Radeon R7 450 card not detected [duplicate]

Ok so the official blender site says that if an amd card has gcn 1st gen or newer architecture, the amd card is compatible And my card i.e. AMD Radeon R7 450 has GCN 1st Gen architecture as mentioned ...
Ishaan's user avatar
  • 1
1 vote
0 answers
38 views

GTX+Radeon in Blender - It's possible? [duplicate]

I'm a long-time Blender user and my projects are becoming more and more complex and I was thinking in buying a new GPU. Now I'm using a GTX 970 V1 Windforce and a Intel Xeon X5660. A lot of people ...
VikSn0w's user avatar
  • 35
0 votes
2 answers
730 views

Crashing or very slow rendering

I have recently started using Blender 2.8 after using 2.79 for some time. I used to render everything alright, but now, I changed from my old laptop to the new PC. So, I am using the scene with the ...
Helli's user avatar
  • 1
0 votes
0 answers
147 views

Open CL error: CL_INVALID_ARG_SIZE

I'm relatively new to blender - I'm using version 2.79. I have been trying to render an animation using GPU with a Hilbert Spiral of 512x512. I keep getting an "Open CL error: CL_INVALID_ARG_SIZE" ...
Katie's user avatar
  • 31
1 vote
2 answers
1k views

Very bad performance on Cycles OpenCL using Ubuntu 18.04 and Radeon VII

We've got a new render machine for our Company. Threadripper 1950x + dual Radeon VII + 64 gb of ddr4-3200 RAM. (Only one Radeon installed now for testing) Our CPU testing went flawless. With great ...
Wouter Vandenneucker's user avatar
1 vote
0 answers
67 views

Can I render on both CUDA and OpenCL?

I have a vega 56 and a gtx 1060 both render just fine on their own but i would love to use them in unison if at all possible otherwise i will have to figure out how to sell my 1060 and buy an RX 590. ...
TenderMissile's user avatar
4 votes
1 answer
770 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 ...
PStarczewski's user avatar
2 votes
0 answers
449 views

Blender on Linux: Dual-AMD-GPUs previously not found (single works, though); now working fine

I'm just trying to set up my workstation for Blender and got caught by a weird problem: Installing just a single GPU (AMD Radeon RX Vega 64) in the machine works fine with Blender. The GPU shows ...
Marc's user avatar
  • 21
0 votes
1 answer
2k views

"No compatible GPUs found" - Arch Linux

When I open Blender through terminal it has no error messages, however when I open settings I am greeted by this message. I am using an AMD Radeon R9 390X graphics card with the amdgpu driver. I know ...
BetoOrouke's user avatar
1 vote
1 answer
703 views

OpenCL device only visible as root

I'm trying to enable gpu rendering on my Vega 64 card in linux, but I can only do so as root. When I run blender as root user, this is what I see in preferences: The first one will cause my whole ...
user64704's user avatar
4 votes
1 answer
2k 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 ...
Ignatiamus's user avatar
1 vote
0 answers
853 views

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 ...
Captain Katawa's user avatar
1 vote
0 answers
189 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 ...
WorkstationBuyer's user avatar
0 votes
1 answer
794 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 ...
user61308's user avatar
2 votes
0 answers
1k 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 ...
Anna's user avatar
  • 465
1 vote
1 answer
524 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 ...
B4rr3l's user avatar
  • 31
0 votes
1 answer
1k 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 ...
Skizors's user avatar
1 vote
1 answer
1k 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 ...
Jose Quesada's user avatar
0 votes
0 answers
412 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 ...
Judiction's user avatar
1 vote
0 answers
808 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 ...
S. Collins's user avatar
4 votes
3 answers
12k 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 ...
user3922088's user avatar
0 votes
0 answers
288 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 ...
raysaaron178's user avatar
2 votes
0 answers
674 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 ...
Fares TP's user avatar
1 vote
1 answer
755 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 ...
Jader Justino's user avatar
0 votes
0 answers
150 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 :)...
AssafNegev's user avatar
0 votes
0 answers
2k 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 ...
user avatar
1 vote
1 answer
1k 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 ...
veru_z's user avatar
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