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Questions tagged [gpu]

A graphics processing unit (GPU) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the rendering or output images.

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Is there a limit to the number of GPUs I can use?

I'm putting together a mining-like render build with over 10 GPUs. And I would like to ask is there a limit of gpu's I can use on given time. I am asking this because I can go with like 4 680's (Each ...
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Current state of GPU support from command line

Please help me understand the current state of support for GPU rendering via command line (batch) simulations. I can't seem to get Blender to render on Tesla K80s via command line. Is there any plan ...
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Blender Benchmark

I've had to go through the whole "Build your own Blender" process just to get my GPU to render. Do I have to do something completely different to get the GPU benchmark to run with a 2080ti? Gotta be ...
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blender render bar filled but not rendering

I have a problem rendering in blender v2.79 . I have an amd r7 m360 GPU. I enabled the rendering to GPU and it ended up being slower than my cpu, so I changed it back. Then I made the mistake later ...
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1answer
49 views

Blender crashes if I try to render a scene with my GTX 1070

I tried to render one of my old blender models which I have uploaded here. Back then I still had a GTX 970 (4 GB VRAM) and I could render it without a problem. But now 5 years later with my GTX 1070 (...
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How to render blender by using Google Cloud GPU

Is it feasible to do that? Are there any documentations available or any tutorial for reference? thanks!
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Sharing of host memory between GPU and CPU. Is this implemented and working in 2.80?

Does anyone know if sharing of host memory between GPU and CPU for rendering has been implemented and/or working in 2.80? Thanks.
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2answers
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Render Crash / CUDA error [duplicate]

Hey all, CUDA error: Out of memory in mem_alloc_result, line 850 I'm unable to render a model I quickly put together (Is it considered simple?) When I attempt to render the scene, my system will ...
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19 views

Lag with AMD RX 580 GPU

i replace my dead GTX 780 by RX 580 8GO nitro+ from saphir. I use my GTX 750 ti for the display and the RX 580 for cycle rendering. With the 780 it was working very well, no lag in the interface when ...
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GTX vs RTX for use with Blender in the future

I use computers with both a Geforce GTX 1050 and a Geforce RTX 2060 Nvidia graphics cards. Although slow, rendering with the 1050 GTX works fine for small scenes without too much data. Sometimes, I ...
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1answer
436 views

Advice or workarounds to use Nvidia Drivers in Mac OS Mojave

I am a newbie who has just (re-)begun using Blender, version 2.8, on a retina Macbook Pro from around 2014 with MacOS 10.14.2 ("Mojave"). GPU is (selectable) an internal discrete NVIDIA GeForce GT ...
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43 views

2.8 crashes when I render using GPU

I just started my journey with Blender, and started following some tutorials on YouTube. Here's my problem, I tried to change the render settings to GPU compute, but as soon as i hit "render", Blender ...
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Blender 2.8 viewport problems (because of AMD Radeon R9 M295X 4096 MB?)

Ive been using blender 2.79 without problems for some time. I've recently downloaded blender 2.8 in which a very basic problem appears. In cycles, when in rendered mode, the viewport behaves very ...
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Blender 2.79b Crashes High Sierra MacBook

I'll try to make this as short as possible, but it's gonna be long. Problem: Blender 2.79b crashes my early 2011 MacBook 15-inch running High Sierra during viewport rendering. Operating theater: 2.2 ...
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1answer
50 views

Can Blender use the open-source Nouveau Nvidia driver for rendering?

Can Blender use the open-source Nouveau Nvidia driver for rendering, or must I use Nvidia's proprietary driver?
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62 views

Blender on Linux Dual-GPU not found (single works, though)

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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2answers
92 views

My GPU makes a loud noise only when I use Eevee

I have a NVIDIA GeForce GTX 1080 Ti and just a few hours ago, while working, it started making a weird, pretty loud, sound. This happens while using eevee in rendered mode and navigating the viewport,...
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1answer
236 views

Radeon Pro 580 and Blender 2.8

I know about the whole "stop using Blender on Mac thing" but still -I do. I use a iMac 27" 2017 with Mojave and have a Radeon Pro 580 8GB GPU -and it works really fine with 2.79b! But now, when I try ...
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1answer
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Custom nodes on GPU?

I want to create a custom perlin noise node (NOT a node group, an actual scripted one), and be able to run it on GPU. Is this possible? OSL does not seem to be 100% supported on GPU, so is it still ...
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2answers
121 views

GPU Rendering in Cycles crashing blender (Mac)

I've been experiencing loads of crashing while rendering lately, and after doing some testing I've finally isolated it to the GPU rendering. As soon as I change to that from CPU, blender goes down. ...
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108 views

How do I get OpenCL with AMD RX 560 for Blender rendering? (GNU/Linux)

I'm sorry if this duplicate question is not allowed on stack exchange. I posted this in ask Ubuntu originally, but I figured I'd get a answer here. I'm trying to get back into Bender. The last time ...
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2answers
77 views

Blender 3d hardware error

I had blender 2.78 installed on my pc working greatly on windows 8. But as soon as I updated my window to windows 10, blender shows me this error "Blender - Can't detect 3D hardware accelerated driver!...
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2answers
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Interface floats in window after switching screen resolution

Operating system: macOS Mojave 10.14.2 Graphics card: Intel Iris Pro 1536 MB Broken: 2.8 beta e57ee5934a30 Worked: 2.79 Problem: Blender window goes edge to edge, but interface only renders from the ...
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1answer
58 views

View port (Shift+Z) use CPU instead GPU?

My Cycles Rendering (F12) using CUDA (GTX1060 6Gb) and it works fine and fast - no problem! But when I use View port (Shift+Z) - it use CPU (i7-7700K) only on 100 % ??? GPU load only at 5-12 % at ...
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2answers
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AMD Radeon Pro 460 not showing up in sys pref

I'm trying to set up my AMD Radeon Pro 460 for Blender 2.8 but I'm not seeing the Device show up in the system preferences. Is this a bug or not currently supported & if so why?
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4answers
370 views

Mac Pro Tower - Sapphire Radeon Rx580 is really, really slow

I recently installed a Sapphire Pulse Radeon Rx580 8gb on my 2010 era (with upgraded CPU) Mac Pro tower. I did this because my former GPU, a NVIDIA GTX 970 is not "Metal Compatible" and would not ...
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119 views

Why doesn't Blender find my graphics card on MacBook Pro 2017

I don't understand why Blender cannot find my graphics cards? Could abyone help? My config:
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18 views

How do I increase my threads? [duplicate]

I am running Blender 2.79 on Windows 7. My machine comes with 4GB RAM, Intel Core i5 (2.something GHz) and a dedicated NVIDIA GeForce 525M. I enabled it in Blender, and I now have GPU Compute as the ...
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75 views

Blender 2.8 No Render with 2 Nvidia K6000 show Cuda

blender running with 2 K6000 Gpu, the show up in General and also enable, but if i render anything the task manager shows only the cpu is rendering, also in the Nvidia Sytemsteuerung. What can it be? ...
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59 views

CUDA error: Out of memory in cuArrayCreate

When I try to change my Cycles Compute Device to CUDA in user preferences I continue to get CUDA rendering errors. This happens in my "rendered" viewport and when I try to render an image. The exact ...
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35 views

Blender using only 2-3% of GPU

During final cycles rendering blender using only 2-3% of GPU and 20-70% of CPU. How to change it?
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50 views

Vega HBCC support

Hello guys! Been experimenting with Vega GPUs and the HBCC option recently and although I didn't have scenes big enough to top 8GB of memory I finally found a way how to do it; just opened 2 of them ...
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294 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 ...
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1answer
159 views

Cycles Compute Device: None (Not even CPU option)

I was trying to enable CUDA under Cycles Compute Device to enable GPU rendering but realized I don't even have the CPU option. Just none. I just want to enable GPU rendering. OS: Ubuntu 18.04 LTS | ...
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50 views

Cannot use CUDA on my Mac

I have a Mac Book Pro (High Sierra 10.13.6), with an Intel I7 processor and an NVIDIA GeForce GT 750M Graphics card with the very latest drivers installed. My problem is that when I look at the ...
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1answer
83 views

GPU error on ubuntu

i have this problem, i type this command sudo CYCLES_OPENCL_SPLIT_KERNEL_TEST=4 blender and it start rendering and says loading render kernels (may take a few ...
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About bulding a renderfarm for blender.

I want to start a renderfarm service for blender users. But I have very little knowledge of machine hardware and networking. My main focus is on GPU render. Can anyone help?
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1answer
77 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 ...
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149 views

Cycles rendering on 3x1080ti ----2x1080 with slow CPU and low RAM

I'm trying to use my mining rig like render farm. All carts are connected by raisers PCI-E x1 not PCI-E x16 ports. MB: ASUS Z97-E/C/SI CPU: Celeron G1840 Ram: 2GB GPU: 3x1080TI 3x1080 I use blender ...
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326 views

CUDA error at cuCtxCreate: illegal address | CUDA error: illegal address in cuCtxSynchronize(),line 1683

Hi everyone! I have a problem with the latest daily builds As far as I remember last working build was 24.10.18. On this build everything works on all the following I get an error also I have a ...
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1answer
249 views

Is there a way to make Cycles render slower to use less GPU resources

Is there a way to make rendering in Cycles use less GPU resources? Like some console parameters for rendering engine or settings within Blender? I tried render scene with the console (no UI), ...
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2answers
254 views

Render the same frame using multiple computers

Is there any way to use Cycles to render a frame with two computers? I have a desktop PC and a laptop, both with a GTX 1070 and I would like render the same frame having 2 tiles, each tile being a ...
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1answer
286 views

CUDA error: Out of memory in cuMemAlloc(&device_pointer, size) line568 [duplicate]

I am trying to render a scene, but I constantly get the same error message: 'CUDA error: Out of memory in cuMemAlloc'. The scene is 3480 by 5304px. I'm rendering with my GPU on a 64 bit operating ...
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678 views

Blender stopped rendering with RTX GPU

My Blender has stopped rendering with Cycles and path tracing. It was working great but at some time stopped working. I have a RTX 2080. The error I get is related to CUDA problem: "CUDA binary kernel ...
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2answers
190 views

Rendering using both GPU and CPU is not possible

For some reason I'm unable to render on CPU+GPU. I've checked on 2 different computers and it's not available. One setup is Threadripper + GTX 1070, and the other one Intel i9 + GTX 1080. Is it a ...
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2answers
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Render is grainy with GPU

Here is my problem. When I try to render with my GPU the image (mainly the lights) are not the same as with my CPU. The image is more grainy with the GPU than with the CPU and even if I do not change ...
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1answer
491 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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1answer
60 views

Any reliable and comprehensive GPU/CPU cycles rendering study

OK, I'm a 10 year+ user and about to upgrade GPU. Having tested my previous builds I know the following: the CPU can bottleneck the GPU rendering at some point If I Overclock my CPU my gtx970s gets a ...
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6answers
13k views

How can one do rendering with Cycles using an NVIDIA RTX GPU?

I have a NVIDIA RTX 2080. I've got an error like this: CUDA binary kernel for this graphics card compute capability (7.5) not found. Does someone know how to enable it?
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1answer
259 views

CUDA, 3D Hardware & Nvidia driver, my Blender goes crazy

First I want to say that yesterday everything worked fine for me. Let's start. When I launched the blender this morning, I saw this: I very quickly found a solution to this problem (Blender Can&#...