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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Unsupported Radeon VII eGPU rendering on MacOS and Blender 2.8 beta

I installed a Radeon VII into the Razor Core X eGPU, hoping to increase rendering speeds in Cycles on a 2018 15" MacBook Pro (i9, 32gigs ram). The beta 2.8 2019-6-12 version shows the message, "No ...
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Cannot render with Nvidia GPU

I am trying to render a model with the Cycles render on my GPU (GTX 1650) but the rendering fails. I am using Blender 2.79 and I have Nvidia driver 418.56 version. I am also using Ubuntu. This is ...
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157 views

Where are the settings to increase cycles threads?

I am trying to adapt the cycles render code to allow me to use the full threading power of my GPU (Radeon RX750 8Gb, 2048 OpenGL threads). There seems to be a limit from some time ago of 1024 threads, ...
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143 views

How do I balance render load between Gpu and CPU

I have a gtx 1080 and ryzen 2700x. The gpu is a little faster when testing render times. I would like to balance render load between the two because the system is rendering mostly on the CPU when I ...
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1answer
228 views

Imac Radeon Pro 580x. No compatible GPU found [duplicate]

I just bought a new iMac with Radeon Pro 580X GPU which supports OpenCL but neither Blender 2.8 nor 2.79 can, for some reason, utilise it with Cycles render engine. The program just says that "No ...
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46 views

Speed up one-frame rendering in blender

I'm trying to render a single frame of a t-shirt model. But, it seems to be too slow, even with GPU rendering (Nvideo M2000). Here is link to my .blend file. Here is my configuration and the source ...
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2k views

Can you render using the CPU with Eevee

Is there a way to render things in eevee using the CPU or is it just a GPU render engine?
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64 views

OpenCL option not available in Blender 2.79b running on Ubuntu 18.04

I'm trying to enable GPU rendering with blender. But, I cannot see the option for opencl. Below is my hardware description: How can I add the option for OpenCL?
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Blender 2.80 Cycles rendering doesn't get to more than 10-25% GPU usage

When I render my animated scene with Blender (2.80 beta from 10-5-2019) Cycles using "GPU supported feature set" I only get to about 10-25% GPU utilization on my Nvidia GTX 970 on Windows 10. I've ...
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118 views

GPU and Multi-CPU computations in Python in Blender 2.8+ with Cycles

Greetings beautiful Blender community, Is there a way to force certain sets of computations to occur on certain devices? For example code to parallelize, consider: ...
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226 views

Blender 2.8 + eGPU Vega 56 + Mac - issue rendering viewport on Rendered and Texture setting

Just added eGPU with Vega 56 to my Mac setup and while it works in all but one aspect of Blender, there is an issue when I tell Viewport to use eGPU Vega 56 for Rendered and Textured views. Any idea ...
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1answer
568 views

Cycles GPU rendering is super slow with bigger image size

For some reason Cycles GPU rendering speed increases enormously when using bigger image sizes. I am now doing 6000x3000px image and it takes almost three second to calculate one sample. And it is not ...
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Blender 3D 2.79b and 2.80beta (CUDA)

In the latest versions of Blender 3D 2.79b and 2.80beta, the program does not see the GeForce GT 720M GPU in CUDA, how to solve this problem? OS Windows 10 PRO 64bit
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294 views

Does Blender 2.8 beta support the new gtx1660 [closed]

I'm thinking about buying a new PC with the recently released gtx 1660, so I want to know that is the 1660 can be used for blender 2.8 beta rendering, did anybody try it yet. I'm a newbie in blender, ...
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466 views

Blender 2.8 Beta (Linux Mint 19.1): No compatible GPUs found - Vega 64 Nitro+

I can't find any working information, how to fix this, and before I was trying to install some other drivers for my Vega, but i accidentally broke my previous installation.
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1answer
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Different gpu without sli.how will it work in terms of memory

I want to use gpu without sli to render.so how will this work? Example if i have a 8 gb and 11 gb card....will my system bottle neck and only use 8gb when rendering or will total of 19 gb of memory be ...
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1answer
114 views

How can GPU be used instead of CPU for background processing in a Python script?

I created a Python script that I execute on an Ubuntu server. The script loads a big PLY file (around 100MB), decimates it and smooths it. Currently, the script is quite slow (around 10 minutes to ...
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2answers
182 views

Just installed for the first time. Blender closes instantly upon starting up

I apologize if this is a common issue, but I cannot for the life of me understand how to startup the program. I just finished installing for the first time, yet Blender will not even run. I had to do ...
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19 views

Invalid Kenel Image , GPU Rendering not working on 2.79 but works on 2.78

I am running 2.79 on Windows 10 OS on a fairly new machine. I have a weird issue, a week ago I could render using GPU without problem, but suddenly today on a new model (as well as all others I've ...
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133 views

Blender cannot recognize CUDA graphics card for headless render on linux

I'm trying to do headless cycle rendering on a linux server with nvidia gpu. Blender seems to have trouble finding the gpu. Running nvidia-smi gives me: ...
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98 views

AMD mGPU Radon RX550 crashing in blender (Cycles)

I have AMD Radon RX550 with 2GD GDDR5, the problem is that when I try to render in blender it crashes and quits blender. as shown in the image I have 2 options for rendering in GPU and the first one ...
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29 views

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

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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1answer
58 views

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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28 views

Blender Benchmark [duplicate]

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
110 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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206 views

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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41 views

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
362 views

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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198 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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860 views

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
4k 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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688 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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245 views

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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230 views

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
304 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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215 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 ...
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2answers
362 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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2k 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
86 views

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
950 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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2answers
208 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
93 views

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
132 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
273 views

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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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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553 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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58 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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548 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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451 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 | ...