Questions tagged [opencl]

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How to use Ffmpeg OpenCl filters that are accelerated with nvenc

I'm trying to capture a screen that is in portrait mode using ddgrab(on a 3080, so using nvenc). This was the original command: ffmpeg -f lavfi -i ddagrab=output_idx=0 -c:v h264_nvenc -cq 18 output....
KamikazeStyle's user avatar
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1 answer
119 views

Windows 10 x64: Intel UHD Graphics 620 8th gen forcefully turning off when on full OpenCL load

Background information: I have an 8th gen Intel UHD Graphics 620 which I'm doing some OpenCL computations on. These are very very complex, and can use up to 500MB of video memory. The card supposedly ...
HackerDaGreat57's user avatar
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1 answer
462 views

How to install intel/amd64 OpenCL on tiangolo/uwsgi-nginx-flask:python3.10 (debian 10) docker container?

I am trying to make opencl work within a tiangolo/uwsgi-nginx-flask container. FROM tiangolo/uwsgi-nginx-flask:python3.10 RUN apt-get update #RUN apt-get install -y -f libcrypt-dev libssl-dev openssl ...
0x90's user avatar
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2k views

Unable to install AMDGPU-PRO on Ubuntu 20.04

I was trying to install amdgpu-pro on ubuntu 20.04 using the official docs. When I ran the following command I get an unmet dependency error. $ sudo ./amdgpu-pro-install -y deb [ trusted=yes ] file:/...
JaydevSR's user avatar
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1 answer
289 views

Where can I find opencl dll for old intel video cards?

Early there was some installer with opencl.dll but intel has changed website and now I can't find it. I don't even need it to detect gpu device and work, I just need interfaces but what is correct ...
cnd's user avatar
  • 217
1 vote
1 answer
573 views

Can we have a build for windows with opencl enabled (FFmpeg)?

Is it possible to have a build for Windows with open_cl enabled, please ? Because this filter has an option (tonemap HDR video) not available elsewhere. I mean, having the possibility to download the ...
Teto The Squirrel fox's user avatar
3 votes
1 answer
5k views

How can I check the OpenCL version on Windows 7?

How can I check the OpenCL version on Microsoft Windows 7 (Windows 7 SP1 x64 Ultimate) with an Nvidia GeForce GTX 660M? I uunsuccessfully tried: Run -> dxdiag: doesn't show my GTX660M (I tried ...
Franck Dernoncourt's user avatar
3 votes
1 answer
10k views

FFMPEG 4k HDR to 1080p SDR Hardware Tonemap Conversion ( OpenCL)

Having trawled the internet I have finally successfully compiled FFMPEG with OpenCL enabled and this has allowed me to attempt HDR -> SDR Conversion using my NVIDIA P400 ( Stream Limit Patch Applied). ...
Alex's user avatar
  • 81
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64 views

Executing OpenCL code on AMD e8860 GPU

I have a relatively simple OpenCL program that I know works on an Nvidia GPU and now I am trying it on an AMD e8860 MxM GPU, but I cannot get it to run using the GPU. I have tried both the dedicated ...
rt0218's user avatar
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1 vote
0 answers
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fatal error lnk1171 unable to load mspdbcore.dll (error code 126)

i'm very new in OpenCL development and i'm trying to use Microsoft visual studio 2019. i'm following DE1-SoC OpenCL User Manual and DE2 Development and Educational Board User Manua-DE1SOC_OpenCL_v02 ...
Easier Way To Do It's user avatar
1 vote
1 answer
1k views

Building OpenCL with Yocto

I am working with a custom library which requires OpenCL support. So, I need to build libOpenCL.so for my target Intel platform with Yocto build system. I am not aware if there is any OpenCL recipe ...
thecdoctor's user avatar
3 votes
1 answer
6k views

Installing python deps with pip -r requirements.txt fails, but installing one by one succeeds. Why?

I have the following requirements.txt file: appdirs==1.4.3 decorator==4.3.0 numpy==1.15.4 pybind11==2.2.4 pyopencl==2018.2.2 pytools==2018.5.2 six==1.12.0 Running pip install -r requirements.txt ...
GLabs's user avatar
  • 137
7 votes
2 answers
5k views

Ryzen 2400: will the GPU part of the APU still be usable for compute if I have a discrete graphics card installed?

I want to use an AMD Ryzen 2400g, but I will be using OpenCL on three discrete AMD Radeon RX580s installed in it. Will the Vega compute units on the APU still be available if I install the Radeons? Or ...
Thomas Browne's user avatar
2 votes
2 answers
9k views

Disable display hardware acceleration on windows 10

On Windows 10 the "windows 10" "display adapter troubleshooter" is often unavailable (depending on graphics driver). How do I disable hardware acceleration in such case? Reason is to avoid windows ...
akostadinov's user avatar
  • 1,415
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1 answer
861 views

Why does my new AMD GPU support only up to OpenCL 1.2?

OpenCL 2.0 was released November 2013. Yet the laptop I bought in January 2017 has an AMD GPU that only supports up to OpenCL 1.2, despite the GPU being released in May 2015. The laptop has these two ...
Stefan Monov's user avatar
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3 votes
0 answers
3k views

How can I enable WebCL in my browser?

I have experience with WebGL in javascript and with (py)OpenCL and both are great tools. Now I would like to put it together and do fast science/engineering demos in web browser. But I'm not sure if ...
Prokop Hapala's user avatar
1 vote
1 answer
698 views

How to enable Opencl for gzip?

gzip is a widely used lossless compression program. I have installed gzip and the version is as follows gzip 1.2.4 (18 Aug 93) Compilation options: DIRENT UTIME STDC_HEADERS HAVE_UNISTD_H How to ...
Vanns's user avatar
  • 187
6 votes
1 answer
1k views

Imagemagick: disable OpenCL on Linux

Whenever I use imagemagick commands, I see errors and warnings like the following: $ convert -size 99x99 caption:"t" -border 1x1 t.png convert: clBuildProgram failed. (-11) @ warning/opencl.c/...
qubodup's user avatar
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1 answer
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Does OpenCL work over Remote Desktop?

I have heard conflicting things about the ability of OpenCL with GPU working over remote desktop. Recently, I read that it can, if you have Windows 8 or greater? Is this true?
John_Sheares's user avatar
0 votes
1 answer
519 views

clinfo hangs when using fglrx-core on Kaveri

I've had a working installation with OpenCL running and unfortunately executed dist-upgrade on my Ubuntu (because of the glibc bug). Then I recognized that OpenCL was not working anymore.I re-...
fyaa's user avatar
  • 111
3 votes
2 answers
4k views

A fast way to convert multiple videos sound from AC3 to AAC without converting video

Is there a way to convert alot of video files from AC3 sound to AAC? I don't want to convert video iteself, video is okay, only the sound. I have alot of videos encoded with H.264 or mpeg4(xvid) and ...
artouiros's user avatar
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0 answers
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Can I install all my old and new different graphics cards and use them for OpenCL GPGPU computing?

I love developing applications with openCL and run them on my graphics card, but I don't really know how it connects with my hardware. I right now only use my GTX 970 for that, but I still have a GTX ...
Andreas Hartmann's user avatar
-2 votes
2 answers
3k views

GNU GCC compiler fails to compile when path contains spaces (C++)

I installed code::blocks and GNU GCC + SDK Stream (Open GL) exactly as described in tutorial "Playing with OpenCL: Gaussian Blurring" by Lefteris. Why I cannot compile using spaces in path to library ...
user1141649's user avatar
3 votes
2 answers
3k views

Can an artifacting video card be useful in any way?

I recently acquired an MSI Radeon R9 280X video card that experiences visual glitches/flickering patches/artifacts in games and in 2D mode. Once I tried to open a video in fullscreen mode from Youtube ...
Sevag's user avatar
  • 143
3 votes
1 answer
2k views

ImageMagick for Windows not listing OpenCL as enabled

I'm trying to experiment with GPU-accelerated resize operations using ImageMagick. On my Windows machine, using convert -list configure lists only FEATURES OpenMP and not the OpenCL I expected since ...
Luke Puplett's user avatar
  • 1,601
0 votes
1 answer
649 views

Does ATI Mobility Radeon HD 6370 support OpenCL? [duplicate]

Can I do OpenCL programming with these hardware specs? CPU: Intel(R) Core(TM) i5 CPU M480 @ 2.67GHz Graphics: ATI Mobility Radeon HD 6370 RAM: 4GB OS: Windows 7 Service Pack 1
masoud's user avatar
  • 11
1 vote
3 answers
3k views

OpenCL support hardware requirements

Does my machine support OpenCL? I found Conformant Products where the list contains the required hardware requirements. Please find the below screenshots of few of my machine. Does any one of the ...
2vision2's user avatar
  • 203
4 votes
1 answer
3k views

Execute OpenCL code on the CPU

I want to execute OpenCL code on a PC which doesn't have a graphics card, nor any other hardware component which is able to execute OpenCL. Is it possible compile my OpenCL code in a way that it can ...
Misch's user avatar
  • 143
0 votes
0 answers
352 views

Geforce and Radeon together

I've had a GeForce 560 Ti for about a year. I've been using Physx features on it and it works fine. Recently I added a Radeon 6950, mainly for better OpenCL performance. I know I can't run SLI/...
sep332's user avatar
  • 149
7 votes
1 answer
2k views

Does Intel OpenCL implementation use both CPU and GPU?

recently I wrote several versions of the same program (generating Julia Sets - fractals pictures at size 17200x17200 pixels) to check the performance of a few different solutions. I wrote versions: ...
Marcin Włodarczyk's user avatar
18 votes
3 answers
58k views

How can I identify which processes are using the GPU?

Is there any way to find out which process is using the GPU for intensive calculations? (OpenCL, CUDA, etc? Primarily OpenCL?) e.g. if you run an OpenCL-powered video transcoder, you'll see nothing ...
Mahmoud Al-Qudsi's user avatar
1 vote
1 answer
232 views

Are there any programs or drivers that can accelerate encryption using gpu/igp?

Does anybody know of any linux tool that offloads- preferably in a transparent fashion- encryption to gpu?. I'd like to buy an amd e350 apu for my nas and it would be great if i could boost otfe ...
olitzadobric's user avatar
1 vote
2 answers
5k views

OpenCL on ATI Radeon HD 4650

From some time I have had an Radeon HD 4650 AGP graphic card. I wanted to start mining on my GPU, as it brings more BTC, but miners are not able to find my card. I've checked it with GPU Caps Viewer,...
CamIce's user avatar
  • 148
13 votes
2 answers
1k views

Intel Ivy Bridge GPU OpenCL Not Working On Windows 8

I seem unable to initialize hardware-accelerated OpenGL on the GPU side of the Intel Ivy Bridge GPU (it's on a Core i7-3700K chipset, with the HD4000 graphics core). This is a new problem on Windows ...
allquixotic's user avatar
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1 vote
0 answers
753 views

Ubuntu 12.10, Unity, AMD 12.11 beta drivers, AMD APP SDK 2.7 and OpenCL detection of multiple gpus

I'm using Ubuntu 12.10, AMD 12.11 beta drivers, AMD APP SDK 2.7 and OpenCL. I have three amd radeon 7990s plugged in each of which are a dual 7970 so I have six gpus altogether. I plan to go up to ...
junkie's user avatar
  • 111
46 votes
1 answer
144k views

How can I test my GPU memory/RAM?

I run MemTest86 a lot at work on customer's machines, and it's great for troubleshooting memory issues. My question is, how can I test that a GPU is starting to go? I know of programs like 3DMark to ...
Canadian Luke's user avatar
4 votes
2 answers
25k views

OpenCL support in graphics cards & on the Intel HD3000

What does it mean when a graphic card mentions it supports native OpenCL? And what happens when it doesn't? And how does intel 3000 cope with it? How are performances and processing cell numbers?
oneat's user avatar
  • 3,321
0 votes
2 answers
712 views

ViennaCL installation error

I am attempting to install ViennaCL-1.2.1 in scientific linux for future GPU computing. When I attempt to call make, i get a variety of errors, with most along the lines "undefined reference to '...
Godric Seer's user avatar
1 vote
1 answer
3k views

How can I install OpenCL on Windows 8 Consumer Preview?

I have an Intel Core i3 540. It's got integrated graphics, as far as I know. I'm running the Windows 8 Consumer Preview. I've wanted to start mining bitcoins for fun, but I've been disappointed with ...
JavaAndCSharp's user avatar
1 vote
0 answers
835 views

Install Nvidia development driver on optimus on Windows 7

I wanted to use OpenCL under Windows 7. I've got everything set up (Cuda Toolkit 4), the nvidia card is compatible (GeForce 310M). I've got a Acer Travelmate 8372 with optimus, and I've got a bios ...
rdoubleui's user avatar
  • 111
0 votes
1 answer
2k views

Disable Crossfire on an ATI HD 5970

I'm trying to create a computation cluster using ATI GPUs. The problem is that I have to disable Crossfire in order to get maximum performance out of the ATI Radeon HD 5970 I bought to get started, ...
cdecker's user avatar
  • 213
1 vote
2 answers
261 views

GPU Computing - # of GPUs supported

I currently have a desktop with 6 GPUs ( 3x HD 5970s ) in non-crossfire mode. Unfortunately, it seems that Windows 7 64bit only supports up to 4 GPUs. I have not been able to find a reliable source to ...
Ryan Adams's user avatar
6 votes
1 answer
758 views

Will OpenCL in Snow Leopard utilize the dormant GPU in Macbook Pros?

Macbook Pros currently running Leopard (10.5) utilize only one graphics card at a time (a decision disguised as a power profile change). Will OpenCL (introduced to the platform in 10.6) continue this ...
dulaneyb's user avatar
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