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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questions with no upvoted or accepted answers
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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 ...
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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.
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448
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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 ...
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0
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1k
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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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674
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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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1k
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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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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,...
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946
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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).
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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 ...
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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 ...
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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. ...
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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 ...
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975
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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-...
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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. ...
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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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0
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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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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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0
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2k
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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 ...
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0
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2k
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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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959
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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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0
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283
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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?
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322
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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 ...
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0
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934
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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 ...
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648
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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 ...
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1k
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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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1
answer
104
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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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47
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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 ...
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0
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171
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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 ...
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39
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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 ...
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266
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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 ...
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0
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193
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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
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105
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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 ...
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2
answers
724
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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 ...
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146
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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" ...
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412
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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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288
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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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0
answers
2k
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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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268
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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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376
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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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290
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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 ...
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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
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787
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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 ...