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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How many CPU cores does Blender support and make sense? [duplicate]

everybody, i want to "build" a new computer for myself. Blender benefits from several cores. How many does Blender support and how many do actually make sense? Greetings Ralf
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1answer
136 views

Why do volumetrics render noisier when using GPU then when using CPU in Cycles?

Alrighty. I've searched all over the place and even put in a couple of requests from every deity I could think of, but nothing on my issue. So, I'm messing around with making up volumetric light ...
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No compatible GPUs found for path tracing ?? Intel Iris Plus Graphics 640 1536 MB (Mac) [duplicate]

Anyone know how to GPU render in this mac MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports) 2,3 GHz Intel Core i5 Intel Iris Plus Graphics 640 1536 MB I would appreciate any information
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1answer
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2D 'POST_VIEW' drawing with gpu.types.GPUShader(vertex_shader, fragment_shader)

I can use gpu.shader.from_builtin("2D_UNIFORM_COLOR") to draw a square to a view (the nodeview), and give it a single color, but I want to use a custom shader. Does ...
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How do I render a cycles animation with mainly my GPU on Blender 2.81? (Windows 10) [duplicate]

I've got an Intel core i7-9700k CPU and a recently installed NVIDIA GeForce GTX 1660 Ti graphics card. When I'm rendering out an animation in Cycles, I select the "CUDA" option in preferences, only ...
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255 views

How to have two GPUs (RX 5700 XT & RX 580) recognized by Blender simultaneously

I'm struggling to get both of my GPUs to be recognized by Blender at the same time. They seem to require different ICDs to function: RX 5700 XT: ...
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1answer
151 views

Blender GPU Support on Linux with AMD Radeon Pro WX 7100 Mobile

I have a Dell Precision 7740 running on Ubuntu 18.04 Linux with an AMD/ATI Radeon Pro WX 7100 graphics card and a much less powerful Intel UHD Graphics 630 (Mobile). I'd like to utilize the graphics ...
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1answer
25 views

Why is the GPU grayed out? [duplicate]

Here is the very elaborate, confusing, even befuddling image which I have selected at the time of this strange error occurring. https://i.stack.imgur.com/cNjzD.png
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Can I have rendering be based on GPU with an Intel graphics card? [duplicate]

I'm running on a laptop with an Intel(R) UHD Graphics 620. I have no Nvidia devices I can use but I'm hoping I can make this work. I'm wondering if there is any way I can make rendering run on GPU in ...
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1answer
199 views

Rendering on command-line with GPU?

I am trying to submit a render job via slurm on our cluster with blender 2.8, that is, completely command-line based with no way to start the GUI on the computing nodes. I have assigned 38 CPU to the ...
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1answer
155 views

GPU & CPU setups, what is appropriate?

I have an older system that I am using blender 2.81 on, as it will not run 2.8 and shuts off. I am wondering what should I do for best viewport performance with a 24gb ram, hex core x5675, desktop, ...
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1answer
124 views

Blender 2.8 GPU Cycles Compatibility .. NVidia Quadro M1000M … Windows 10

Recently Blender 2.8 ... Windows 10. Cycles Rendering rejected a NVidia 670M Mobile Card in Laptop 01. Probably based on NVidia Compute Capability. Should I expect a NVidia Quadro M1000M to be ...
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1answer
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Best GPU and RAM upgrade for compaq elite 8300 sff [closed]

I would like it to be equal or less than seven hundred dollars American. Thanks in advance!
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volume crashes with rx580

(viewport not final render)keeping crashing whenever i use volume with my rx580 it load the meshs and when it began to render it crash if i do not end task the blender in split of a sec my pc gose ...
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How to use more GPU memory to render faster?

When I render a scene the GPU memory usage is only ~10% even less than that (477Mb). Is there any way to use more of the GPU memory and make the rendering process faster? I render each frame at the ...
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1answer
379 views

No Compatible GPUs found … Blender 2.8 User Preferences

No Compatible GPUs found ... Seen in Blender 2.8 User Preferences System ... Cycles Render Devices ... Version 2.78 recognizes the GPU. I understand that 2.78 and 2.8 have different requirements. ...
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Blender Crashes Requesting more GPU Memory

I was working on the nodes withing the shader editor and suddenly this pop up appeared asking for more GPU memory. The current configuration of my system is 16 gb ram nvidia quadro k2000 2gb It ...
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gbl shader blender 2.8

After adding an draw handler to my operator my terminal is showing the following: ...
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question about GPU simulations [duplicate]

I have bought a new laptop and I am using blender now for a couple weeks. IS it normal that blender uses only the CPU for baking phisics? And is there a way to use the GPU for baking?
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GPU render cycles

My laptop didn't use my GPU for renderen in cycles. What can I do. Which settings do I have to swich? I had tried to switch the setting but nothing works. I have downloaded cuda but I don't knpw what ...
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Desktop GTX 1070 barely faster than GTX 1050-Ti mobile in cycles

I'm rendering 10 frames of a scene both on a Dell XPS 15 Notebook and my Desktop PC. Desktop: i5-2500K + GTX 1070 8GB Notebook: i7-8750H + GTX 1050-Ti mobile Desktop: CPU (i5-2500K): 2:34 min GPU ...
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1answer
320 views

How to select all non-CPU CUDA or non-CPU OpenCL devices for Cycles rendering (command line)?

I'm looking for a way to have Blender 2.8 render with Cycles using CUDA but only for Nvidia GPUs (no CPUs selected) and do the same using OpenCL with only AMD GPUs (no CPUs selected). My goal is to ...
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Ubuntu Blender 2.8 wont detect Nvidia GPU

I have re installed drivers twice, and re installed blender, watched a couple of tutorials but i cant seem to get the option to select my GPU in CUDA >n< ,it is a 1050 mobile, im testing ubuntu on ...
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151 views

Blender 2.8 GUI lag when rendering (F12 & viewport render preview)

So I have a laptop with 2 GPUs: an Intel HD 520 and a Geforce 940MX. In the case of 2.79, if I had set Blender to run on the nVidia GPU in the NV control panel, there was a horrible GUI lag when ...
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1answer
67 views

GPU Python module: why drawed pixels are shifted in the result image?

I'm using Python gpu module to render some simple rectangles in a 2D image. The script retrieves current render settings: ...
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29 views

Cycles textures render black in GPU compute

I'm new to blender and have been working on another logo animation, but this time the textures all render out black in GPU compute but render normally in CPU compute. I can see them in my viewport ...
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10 views

Can you render with two different types of video cards? (Radeon/GeForce) [duplicate]

Got to ask cause I am looking to upgrade my pc and not sure if anyone has tried this. Can you use the built in Radeon on the Ryzen CPUs at the same time with a GeForce card in Blender (or in general)? ...
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Blender 2.8 fails to run on Ubuntu 18.04

It ran fine just last week, but today when I try to run it, it fails with this error- SGPR:VGPR usage is 16:8, but the hw limit is 0:0 My laptop has an AMD ...
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107 views

Eevee changing GPU selection does not work?

I am trying to render using the Blender 2.8 Eevee engine with different GPUs in different instances so that I can speed up my render times. For example, 3 open instances where two are rendering on my ...
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81 views

Anyone using dual 5700xt GPU's?

I currently run a single 5700xt, which has great performance, but just wondering if dual 5700xt's would work well in Blender to improve render times and viewport performance? I'd appreciate any help ...
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1answer
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Blender 2.8 keeps crashing after updating gpu drivers

I have a gtx 1660 ti everything worked fine, but when i updated the nvidia studio drivers to the 9/04/2019 release, and tried to check if the render times got better, but to my disappointment blender ...
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How can I draw multiple OpenGL primitives with the GPU module?

Is it possible to draw multiple types of Opengl draw methods inside the same shader batch? Based on the the GPU module documentation, please see the code below. For instance I have this line. <...
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1answer
1k views

no compatible gpus found for path tracing [duplicate]

No compatible gpus found for path tracing Intel core i7-2600 cpu 3.4 memory ram: 22gb display: AMD radeon hd 5700 series 2gb Directx version:12
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2answers
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Enabling OpenCL GPU rendering for Cycles on Linux?

I followed the answer on this question for blender 2.7x, but I still don't see the option to enable GPU rendering for cycles, as shown in this screenshot: I'm using an RX 560 on Debian 11 ...
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Why doesn't Blender 2.8 see my GTX 750 Ti?

Windows 7 32-bit Intel Core i7 Latest GPU drivers (clean install) Latest Blender 32-bit build No matter what I do, my GPU won't show up as an option under system settings. I've tried uninstalling ...
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GPU won´t render properly

when i use my GPU to render an Animation it only uses about 5% of it. I enabled CUDA in the Preferences and selected my GPU but it is still not working. I have a GTX 1080 Graphics card. Any answers ?
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From shader editor to GPU shader

I am using Blender for a while because of my little CGI clip for school and I started to be interested in how Blender's rendering works. I know that Cycles uses path tracing and all that. I understand ...
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236 views

Why is rendering with both CPU+GPU 50% slower than with either CPU or GPU?

I have recently built my new PC (Ryzen 3700x + VEGA 64) and tried rendering BMW demo. The difference rendering speed caught my attention. When rendering with CPU only, the time consumption never ...
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2.80 Cycles Render Devices Tab empty

Just installed the latest release 2.80, July 30 2019, under System the tab Cycles render devices is visible, but empty. So Cycles is not available. Win10 64, GTX1050ti and onboard GPU, latest drivers....
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1answer
105 views

Transparency in Blender 2.8 GPU Python Module

I've been messing around with the new GPU python module in Blender 2.8. But I cannot find a way to make my lines and triangles transparent. The alpha channel is completely ignored. I even tried it ...
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669 views

AMD RX 570 GPU slower rendering than NVidia GTX 1050 Ti?

I recently built a new PC running on a Ryzen 7 2700X CPU and AMD Radeon RX 570 GPU. However, I'm getting significantly longer Cycles rendering times than my old Intel i5 PC running on an older NVidia ...
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115 views

Blender 2.8 fails to load using NVIDIA GeForce GTX 750 Ti

I get the following error message when trying to launch blender 2.8. I have checked and i am running the latest drivers and my GPU says it supports OpenGL 4+
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Blender GPU compute render preview crash

I have an issue with Blender that makes the application crash after rotating and zooming in 3D (middle mouse button/rotate view button). It crashes in roughly 30 seconds or in-between after doing that ...
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1answer
419 views

Blender can't find GPU on Quadro 4000 and Quadro 2000M

I've spent several days trying to figure out why Blender can't find my GPU in both of my workstations. On one, I have Quadro 4000. On the other, is Quadro 2000M. One year ago I was able to install a ...
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54 views

how to draw a round point(vertex) through bgl instead of a square one? BLENDER 2.8

Do I need to have round vertexes? as standard in a blender. ...
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2answers
115 views

Will excessive rendering damage a GPU?

Whenever I head to school or somewhere else, I sometimes like to render my images(even if they're not complete) at something crazy, like 10,000 samples at a high resolution with many light bounces. ...
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Switching GPU from display?

I am running OS X Sierra (Hackintosh) with two GTX 780's/3Gb VRAM each. 2.8 is showing both GPU's as the "Display" in the User Preferences and I am experiencing while in GPU rendering a "cancel" ...
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134 views

Blender 2.8 UI defects on Linux Mint 19, AMD Radeon HD 4000 (but works well on Windows on same machine)

the latest mesa driver in use, but the UI is broken as shown below This happens only on Linux Mint 19.1 and not on Windows (On the very same machine) I know, GPU is not supported by Blender 2.8 but ...
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3answers
187 views

My AMD GPU is not available in Cycle Render Preferences on version 2.8

I am using laptop with AMD Radeon HD 8670m GPU in it. I have latest drivers installed. But when I access Blender System Preferences it displays: "NO COMPATIBLE GPU'S FOUND. CYCLES WILL RENDER IN CPU"....
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Why my GPU is slower than CPU?

I have i5 core CPU and NVIDIA GPU Ge Force GT 730. I tried changing tile size but no significant effect.

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