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Questions tagged [gpu]

Processor specifically designed to perform fast memory manipulation, with instructions specifically tailored to handle computer graphics processing and rendering

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What is the purpose of these films on CPU/GPU chips?

For quite a while I was wondering what is the purpose of a couple of solid films partially covering chips on my CPU/GPU (they are attached so they are between the cooler and the chips). For better ...
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linux - show GPU outputs/link

with xrandr --listproviders i got Providers: number : 2 Provider 0: id: 0x27e cap: 0x1, Source Output crtcs: 4 outputs: 3 associated providers: 1 name:NVIDIA-0 Provider 1: id: 0x43 cap: 0x6, Sink ...
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Black screen but GPU, LCD cable and panel are fine [Lenovo ThinkPad t440p]

Laptop was on when this happened: no beeps, no error messages, no reboots or system shutdowns, no nothing. The screen just went black while the rest of the device continued running. I’ve connected the ...
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1answer
20 views

Is it possible to check if the dedicated gpu is active or not + being monitored? (Nvidia Optimus)

I have a laptop (Msi GV62) with GTX 1050 graphics card and optimus system with it. And my question is, how can I check if optimus is active or not? If my dedicated graphics card is active in any way ...
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20 views

How to wire this double GPU fan connector setup

My GPU has two fans connected by 5 wires in total: 2 red, 2 black and 1 yellow. Fan 1 has b+r+y, fan 2 has b+r. Now my connector got damaged and the two wires from fan 2 came loose. I want to ...
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19 views

RAM/GPU memory problems after installing Ubuntu along Windows 10

I installed Ubuntu along Windows 10 and started noticing problems when playing games. For example if i open League of Legends i can't open no browsers, or if i succeed they soon crash and say "not ...
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2answers
204 views

GPU has 2 PCIE and my power supply only has one PCIE

when I finished putting together my pc I saw that my GPU had 2 PCIe and that my power supply had 1 just wondering if it is a problem and my GPU is a 1070 galax and PSU is corsair cx450
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32 views

How good are external GPUs for machine learning / neural networks in linux? [closed]

I've got a desktop tower, but it's power supply is too limited for the GPU I'm considering for machine learning-- the RTX 2080-- plus I'm worried about heat in this machine, which starts to use the ...
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39 views

How is it supposed to control GPU clocks and voltages on Linux?

I have several modern GPUs, both ATIs (lets take Polaris 480) and Nvidia(Lets take 1080) models. I am using them for various purposes, like mining, video rendering, physics processing. Each task is ...
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1answer
17 views

Why would I have high CPU usage (single core) when running glxgears on a GPU?

When running glxgears (or any graphically intensive application) on linux I see 100% utilization of a single cpu core, even though I've confirmed it is using my Nvidia GPU as the renderer. Is that ...
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39 views

Electron: Force chromium gpu drivers path on ARM

O.S: Tinker OS 2.0.7 (Debian 9 32bit) Arch: armv7l Device: TinkerBoard GPU: Mali T-764 Installed Chromium: 67.0.3396.87 Electron: 3.0.8 (Chromium 66.0.3359.181) I want to use Electron to build an app ...
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1answer
21 views

NVIDIA GTX 1050ti overheats when training neural nets

When I'm training neural nets on laptop, my gpu gets 95c and laptop becomes very hot. Is it safe ? Do I need to underclock ?
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1answer
21 views

Nvidia GPU vs CPU benchmark: what kind of cpu they refer to?

I found that Nvidia GPU often has 10x improvement in speed than CPU. However, I did know what CPU they compare to. For example, for Tesla K80 (see below link) comparison, they did not specify the CPU. ...
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1answer
42 views

Arch Linux GPU benchmark low score

I have Asus N550JK laptop with Manjaro Linux installed. The CPU is i7 4700HQ, the dedicated GPU is Geforce GTX850m. It seems that there is a gpu driver problem in my laptop, because the score of ...
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1answer
28 views

Using GPU after setting up Discrete Device Assignment (DDA) with Windows 10 VM

I have setup a VM to allow it to use a graphics card through DDA per these instructions (and much other investigation): https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/...
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1answer
36 views

High GPU usage on Dell e7450 - power

I use the pc normally. Pc starts to be very very slow. I look at task manager and I see high GPU usage Look at the process: Then I look at Intel(R) Extreme Tuning Utility: note that "power limit ...
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22 views

Can I get more FPS in games and faster GPU-bound processing by adding extra GPUs to my desktop?

I recently bought a modern PC with an Nvidia 1050Ti GPU, and I also have in my collection some older/weaker GPUs like 1030GT, 9800GT, 9600GT, 750Ti and GTS240. All of them being from Nvidia, can I ...
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80 views

How to run a ffmpeg code on a GPU?

we have written a short code in C code to read a video file, using common libraries as libavcodec, libavformat etc.. The code is running smoothly but only using the CPU resources. We'd need to run the ...
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26 views

White Lines and Code 43 on GTX 560

I bought an ASUS GeForce GTX 560 1GB six years ago, and it's been keeping me company for a long time without any issues. I'm on a Gigabyte Z77-D3H board with 24GB RAM (as one RAM slot is broken; the ...
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35 views

Permanently Disable HDMI audio

After every GPU driver update my default audio device switches to HDMI, which I never use. Is there a way to permanently disable HDMI audio interface from even being an option? Or, is there a way ...
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1answer
129 views

Windows 10 Virtual Machines and DDA for GPUs

I have seen various articles that make reference to Windows 10 supporting DDA back to 2016, however I have yet to make this work (on Windows 10 Professional) following the steps in various Microsoft ...
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1answer
44 views

GPU SMD Capacitors Leaking?

This is odd, but it almost seems like the surface mount capacitors are leaking on my old EVGA GTX 970. Is this common? I have no problem using my rework station on these, but I've never seen SMD ...
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1answer
50 views

Math Processing Unit [closed]

Lately I learned compute shaders in Unity3D, I could suddenly do many more calculations on the GPU per second than I could on the CPU, provided that I could write them to be tasks that run with many ...
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43 views

Random Shutdown on custom built pc

I just built a new pc about 3 weeks ago and have had some issues while playing some games. My computer is on but doesn't post and when I try to press the shutdown button on the case it doesn't let me (...
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46 views

How to check for eGPU support on Windows 10 over Thunderbolt 2 (Bootcamp)?

How can I check for, or learn how to check for, eGPU support on a Windows 10 installation, running as Bootcamp on a Mac Pro 2013 ? The eGPU enclosure I have is a Sonnet 550 and it has a Thunderbolt ...
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12 views

Computer freezes for a second, and then comes back sometimes with messed up audio

My computer is randomly freezing like once or twice an hour and every time, i hear like a fan or a disk start back up... thats what it sounds like at least. then sometimes is asks me if I plugged in a ...
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40 views

Measuring Intel Atom total power consumption

I have Intel Atom notebook with integrated Intel HD graphics. I want to measure total CPU + GPU wattage while running a game. To do so I'm using RTSS + HWInfo. There are CPU Package Power and GT Cores ...
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44 views

Black Screen on R9 270 arch linux

I am having a strange issue where the monitor connected to my second gpu (r9 270) is showing a black screen. The monitors connected to my primary GPU (rx 480) show Arch Linux fine. My hardware: Ryzen ...
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1answer
75 views

How to check CUDA Compute Capability?

I just playaround with open-source software called Meshroom. https://github.com/alicevision/meshroom One of it's processes called DepthMap gives an error: This program needs a CUDA-Enabled GPU (with ...
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1answer
42 views

GPU isn't turning on

so, i have a prebuilt that i've been upgrading (don't worry, it's only temporary) and the GPU stopped turning on when i turn on the computer, im using it now by plugging the DVI cable into my mobo. ...
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1answer
71 views

New graphics card, no display

I put together a new build, and the new graphics card I purchased is not displaying anything on my monitors (meaning, my monitors are not detecting anything). Here are my build list, some facts about ...
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23 views

Windows does not assign IRQ to GPU

I noticed that one of my GPUs (Titan Black) is showing an error in Device Manager: "This device cannot find enough free resources that it can use (Code 12)" My primary GPU (980 Ti) is working fine. ...
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2answers
86 views

PC is buzzing under load

I've got a mini-itx small factor PC GTX 980 i5 6600 SF PSU 600W When it's under a load, like running a game for example, it starts buzzing usually. These are two examples, not from my box but the ...
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18 views

No display after changing cpu/processor

I am running the following specs: Motherboard: Asus H61M-C Processor: Intel Pentium G2030 (Ivy Bridge) @ 3.00GHz RAM: Kingston HyperX Fury 1600MHz 8GB Blue GPU: Palit GeForce GTX 750 Ti StormX Dual ...
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1answer
31 views

How to configure amdgpu dpm maximum temperature?

On Linux, using Mesa's amdgpu open source GPU driver, I noticed that when I run a certain game on maximum settings, my computer crashes. By monitoring GPU temperature via SSH, I noticed it quickly ...
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1answer
66 views

Hide GPU from an app, and force the program to use CPU to do software rendering?

I have a somewhat old version of some photo editing software that is having issues with my current video card. Is there a way to hide my GPU from this program in order to force the CPU to do software ...
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1answer
33 views

Which metals experience electrolytic degradation with copper in a dionised water GPU cooling loop?

I have a liquid cooled GPU, after running for about a month, a leak happened and the whole system shutdown - Having drained the system, I note that there is a black powdery deposit in the reservoir. ...
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192 views

How to use more GPU Memory?

I am working on an art project using Unity 2018.2 which will be run on a special setup of M6000 NVidia Quadro cards, each having 12GB of VRAM. My test computer has 2x NVidia 1070 Ti cards each with ...
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1answer
96 views

How do the “games-oriented” NVIDIA-GPU-based cards behave w.r.t. CUDA computation?

NVIDIA makes GPUs, which are used both for graphics and for graphics-unrelated computing. It also publishes compute-related specs of its GPUs. Now, when it comes to cards: there are some cards that ...
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1answer
56 views

How do I identify the amount of RAM on a Video Card (GPU)?

Which ways are there for me to determine the amount of memory (GRAM) my graphics card has? Let's suppose I have an Nvidia Quadro FX1800. The OS can be Windows or Linux, there is no sticker on the ...
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1answer
221 views

Change default GPU device for Xorg/GDM after PCI Passthrough?

The Intel Corporation HD Graphics 510 device should be used for the Ubuntu host system. The NVIDIA Corporation GP107 device had been reserved for KVM usage. The Ubuntu host system cannot properly ...
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1answer
64 views

Bandwidth with NvLink for a graphics card

I'm reading the NvLink specs and there's a table which says Semiconductor|Interconnect| Sublink data-rate per data direction | Total data rate (out+in) Nvidia V100 |NVLink 2.0 | 200 Gbit/s = 25 ...
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1answer
108 views

How can I see which tab uses the GPU in Google Chrome?

I sometimes see that Google Chrome uses the amount of GPU on my computer: How can I see which tab uses the GPU in Google Chrome? I use in Google Chrome on Windows 7 SP1 x64 Ultimate.
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55 views

How does CPU & GPU manufacturers detect if a chip was overclocked for warranty purposes?

How does Intel, NVIDIA, AMD/ATI detect if a defective CPU or GPU was ever overclocked for warranty validation purposes? Can't a software developer [knowledgeable in hardware as well] use that same ...
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1answer
197 views

How can I give my only VGA controller to a virtual machine?

So I have Linux host which is my main OS and a Windows guest OS which I use for doing my Windows work. Sometimes I would like to play an old game (which I'm sure can run on my integrated GPU) or have ...
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49 views

Should cpu memory bandwidth match with video memory bandwidth?

I found somewhere that the video memory bandwidth is a good indicator of performance on video cards. I checked a few examples and it correlates pretty well with benchmark points. I read in another ...
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273 views

What is the best way to test a GPU's dedicated memory?

I have a Dell Inspiron 3542 that sometimes displays short vertical lines when Windows 7 boots instead of the animated but logo, but they disappear immediately at the next loading step. I wanted to ...
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1answer
132 views

How to determine the precise model of an “AMD Radeon R7 200 Series”

Device Manager, Belarc Advisor, and even AMD Settings app show my video card only as "AMD Radeon R7 200 Series". I'm trying to determine whether card fully supports FreeSync, and so I need to know ...
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51 views

Is that normal behaviour of ZOTAC AMP Extreme Core Edition 1080 Ti (ZT-P10810F-10P)?

Is it okay that ZOTAC AMP Extreme Core Edition 1080 Ti GPU with i7 7700 CPU gives: 20~30FPS in Sniper Ghost Warrior 3 30~40FPS in Fallout4 30FPS in GTA V ( at 4K with ultra graphics? Isn't it slow ...
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146 views

Virtual Box does not use GPU on Surface Book 2

I have a Surface Book 2 that has GTX 1060. In case you don't know, Surface Book 2 can switch between the integrated GPU and the dedicated GPU seemlessly. This works great for Photoshop as evident in ...