Computing architecture developed by Nvidia that allows programs to process algorithms in the graphics card GPU, instead of the computer's CPU.

learn more… | top users | synonyms

284
votes
14answers
121k views

Why are we still using CPUs instead of GPUs?

It seems to me that these days lots of calculations are done on the GPU. Obviously graphics are done there, but using CUDA and the like, AI, hashing algorithms (think bitcoins) and others are also ...
26
votes
1answer
69k views

How can I test my GPU memory/RAM? [duplicate]

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 ...
12
votes
1answer
2k views

Multiple GPUs in Linux - How to specify which GPU runs X windows

I have been running Red Hat Enterprise Linux 6.1 on a system with a GTX 480. Recently I added a 3GB GTX 580, as my CUDA application requires more memory than I have on the 480. Due to space issues in ...
9
votes
2answers
14k views

VMware: How to directly access the GPU

I have VMware Workstation running on Ubuntu host with a Ubuntu Guest. Is it possible to directly access the GPU from the VM? I want to run CUDA on the VM
7
votes
2answers
35k views

NVIDIA graphics driver in Ubuntu 12.04

So my overall goal is that I want to be able to code with CUDA enabled applications. However, upon many days of searching, using installation walkthroughs, and reinstalling countless times after ...
7
votes
2answers
7k views

How can i recover a zip password using CUDA (GPU)?

How can i recover a zip password on linux using CUDA (GPU). For the past two days i tried using "fcrackzip" but it's too slow Few months back i saw some application that can use GPU / CUDA and get ...
6
votes
5answers
8k views

Best linux distro for cuda development [closed]

Can someone suggest the best linux distro for CUDA development. The reason why I'm asking is that I tried installing the latest cuda SDK in Fedora 12, and it was a real pain in the neck. It took me 8 ...
5
votes
1answer
978 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: ...
5
votes
2answers
2k views

How to install “gputools” in R

I have use a self-complie R 2.15 on CentOS 6.4 All CUDA environment is correct (I have wrote CUDA C program) and I have yum installed R-devel I still can not install gputools for R Why? * config....
4
votes
1answer
6k views

Are there any external CUDA devices?

I have a workstation with a recent graphics adapter: Nvidia Gefore FX3700. As I want to use that adapter for long running CUDA programms, it might be very useful not to run also my desktop graphics on ...
4
votes
1answer
5k views

CG miner “configure: error: No mining configured in ”

Nvidia Gt 630 cuda 5.5 running CGminer not. Cuda examples fine. Should CGminer work or is there limitations to it? sudo ./autogen.sh --disable-cpumining --enable-opencl && make Configuration ...
3
votes
1answer
2k views

Trouble compiling OpenCV for Linux on an Optimus laptop using bumblebee

OK, I have a pretty specific Optimus/CUDA/drivers question: I'm running Ubuntu 12.04 on an Acer Aspire 5750G. This laptop has a CUDA-capable GT540M GPU, but it also has Optimus, so in order to make ...
3
votes
1answer
3k views

EC2 GPU Instance on Windows

I am having a lot of trouble installing CUDA Toolkit on Amazon EC2 GPU Instances. I tried using the HVM Windows 2008 Server AMI from Amazon and also the NVIDIA GPU image both launched on g2.xlarge ...
3
votes
1answer
2k views

Ubuntu 13.10, CUDA 5.5 and hybrid graphics card

I am trying to set up CUDA 5.5 on a laptop with Ubuntu 13.10 and Nvidia GeForce GT 645M on board. I've managed to get the card working perfectly fine with bumblebee and newest drivers. The problem ...
3
votes
3answers
7k views

remotely startx over ssh

I am using some software that uses CUDA to run some stuff on the GPU. If I am using ssh to connect to the box, or vnc even, and I try to run the program I get an error that no CUDA device is enabled....
3
votes
1answer
14k views

Differentiate CUDA Cores(NVIDIA) and Stream processor(ATI/AMD)

I think the question is answered here but I'm still wondering if what is the difference between the units it is referring to. For example, a GTX 570 has 480 CUDA cores, while the ATI equivalent HD ...
3
votes
1answer
184 views

Stop extending desktop to only GPU for CUDA

I have a GTX570 in a win7 machine that I use for CUDA GPGPU work. I am getting some device timeouts; the solution to this is to perform computations on a second card with no displays extended to it. ...
3
votes
0answers
1k views

Ubuntu fails to install cuda toolkit

I want to install cuda toolkit on ubuntu 14.04, so I downloaded cuda-repo.deb from nVidia site and then ran: sudo dpkg -i cuda-repo-ubuntu1404_6.5-14_amd64.deb But it fails. There are no error ...
2
votes
2answers
5k views

Remote desktop graphics card

So as most people know, when you use RDP to connect to your desktop, it disables the graphics card and uses generic CUDA. I don't want Windows to revert to using CUDA instead of the Graphics Card. I ...
2
votes
1answer
4k views

What are Radeon stream processors and SIMD engines?

Top GeForce video cards have 480 GUDA cores (60 multicores by 8 stream each). They are like general purpose CPUs, but with specialized instructions, registers and memory working modes, and are ...
2
votes
1answer
1k views

What is the performance difference between workstation and desktop GPU for CUDA calculations?

Comparing workstation and desktop GPU cards, it is not clear what is actually different between the two. I understand that a workstation card is better for professional use and a desktop card is for ...
2
votes
1answer
1k views

Does nVidia CUDA help with video decoding in Adobe CS5 Premiere?

The new Mercury Playback Engine in Adobe CS5 allows your nVidia CUDA cards to handle some of the work your CPU would otherwise have to do, but is it only effects and rendering it helps with? Can I ...
2
votes
2answers
3k views

streaming multiprocessor number

how do I know how many streaming multiprocessors(SM) I have on my GTS 250?
2
votes
1answer
498 views

Ubuntu Box with multiple NVIDIA graphic cards

I recently bought a box from System76 that has multiple GPU's: one Quadro M6000, and two Tesla K40's. When I do lspci | grep -i nvidia it says 05:00.0 VGA compatible controller: NVIDIA Corporation ...
2
votes
1answer
754 views

How can I evaluate the processing power of a GPU relative to a CPU?

Suppose I have a program that does a lot of floating-point computations and is impractically slow on my current hardware. To reduce the runtime as much as possible, I want to figure out whether it's ...
2
votes
0answers
76 views

CUDA 7.0 and 7.5 drivers do not work on Debian Wheezy KVM guest

Hit across a roadblock and any help would be much appreciated! I have successfully managed to passthrough a GTX970 card to a KVM guest running Debian Jessie(3.16 Kernel), and am able to run CUDA 7.5 ...
2
votes
0answers
224 views

no CUDA-capable device is detected inside LXC container

I followed the following instructions and read the official guide in detail in order to set up Cuda inside an LXC container. When I try to execute the sample ./deviceQuery script from the official ...
2
votes
1answer
1k views

CUDA 5.5 on Ubuntu 12.04 not running on NVidia GF 630M

Originally posted on http://stackoverflow.com/questions/17527293/cuda-5-5-on-ubuntu-12-04-not-running-on-nvidia-gf-630m I have a laptop with an Nvidia GeForce 630M graphics card running on Ubuntu 12....
2
votes
1answer
44 views

Building code on Remote

I have a Linux (Mint) PC with a Nvidia GPU, which i want to make into a CUDA build server. I want to write my CUDA code on a different (if possible Windows) machine and build it on the server. So to ...
2
votes
1answer
335 views

Triple monitor + dedicated CUDA card .. what are my options?

I have the following - Core i7 3770 (Ivybridge - Supports 3 independent displays .. apparently) GA-B75-D3H (B75 Chipset - Supports 3 independent displays .. apparently .. has VGA,HDMI,DVI) GTX 650 (...
2
votes
1answer
649 views

Install cuda driver in an virtual container of proxmox

I have installed 2.6.32-17-pve on my host machine with: 02:00.0 VGA compatible controller: NVIDIA Corporation Device 11c6 (rev a1) (prog-if 00 [VGA controller]) Subsystem: Giga-byte ...
2
votes
0answers
427 views

Virtualizing nVidia GPU in Citrix XenServer with Ubuntu VM

At work we've got a host machine running Citrix XenServer 6.1 and we're planning on getting an nVidia Tesla M2070Q card for it so we can run some CUDA code. I'm wondering if anyone has ever done this ...
2
votes
0answers
816 views

Different drivers for different Nvidia GPUs in the same system

I have the following two video cards installed in my Arch Linux system: $ lspci | grep -i vga 01:00.0 VGA compatible controller: NVIDIA Corporation G84 [Quadro FX 1700] (rev a1) 02:00.0 VGA ...
2
votes
0answers
492 views

Do HP Elitebooks allow to switch off Optimus from BIOS?

I'm checking which HP EliteBook (among 8740w,8760w) gives the possibility to switch off Optimus in the BIOS (need it to simplify CUDA development under Ubuntu). Or even better, is there a list of the ...
2
votes
1answer
479 views

Do I have to reboot the system after getting an “unspecified launch failure” in kernel?

After a kernel fails due to "unspecified launch failure", the only way I am able to use the device again is after a system reboot. Is there another way to do this? If I attempt to to run again after ...
1
vote
1answer
1k views

Are there any JVM running on GPU

I haven't seen any, but are there any JVM that is build for CUDA or DirectCompute? I've seen the advantage of having an application run in the CPU as well as offload process to the available GPU.
1
vote
1answer
612 views

What kind of hardware do I need to have 4-5 CUDA graphic cards on Windows?

I need to run some heavy CUDA tests and I can buy something like 4-5 quadro or tesla graphic cards. My question is: what kind of hardware should I buy to use them in a Windows environment with Nsight? ...
1
vote
2answers
2k views

How to manually switch between Two Different NVidia GPU Cards - Windows 7

I am doing some experiments with two GPU Cards: Card A: GeForce GTX 560 Ti Card B: GeForce 9800 GTX+ Setup: an Asus Mother Board with Intel Core i7 that supports SLI Intended Experiment: Use Card B ...
1
vote
2answers
1k views

Library not being located with directory set in LD_LIBRARY_PATH

I am attempting to verify the installation of CUDA and am running into some issues. I have successfully built all of the examples that come with the GPU computing SDK. When I try to run deviceQuery ...
1
vote
1answer
436 views

Failed loading CUDA library when trying to use ffmpeg with nvenc

On Ubuntu 14.04 I am following the instruction guide from NVIDIA's site to get ffmpeg running using GPU encoding. I followed the instructions (as far as I can tell), installed the NVIDIA SDK local ....
1
vote
1answer
438 views

no CUDA-capable device is detected (using ubuntu 12.04.4 server)

Migrating this post from stack overflow where it was closed because I feel it is useful I recently installed the cuda toolkit 5.5 with driver 331.67 (I have a GeForce GTX 680). For some reason, I ...
1
vote
1answer
1k views

Troubleshoot CUDA on Linux for GeForce GT 730

I'm setting up CUDA toolkit on Linux for a GT730 graphic card. When running deviceQuery it always gets an error `cudaGetDeviceCount returned 38 ... no CUDA-capable device is detected. Has anybody ...
1
vote
1answer
154 views

Is it necessary to connect 2 my video cards by SLI if I want to place them on my motherboard and use for CUDA computing?

I'm building little CPU/GPU cluster for my home needs. This cluster Im using for CUDA computing. I have 3 PCs and each of it has 1 videocard. I want to modify one of them. I want to buy 2 videocards ...
1
vote
1answer
509 views

CUDA disabled problems on Windows

I have previously had CUDA running successfully on 2 PCs, but after extensive use (a couple of hours of computations) it becomes disabled. All CUDA applications (eg TechpowerUp GPU-Z) say that Cuda is ...
1
vote
1answer
312 views

CUDA/GPU Range of programming constructs available? [closed]

Is there a limit to the extent of operations you can do on a GPU? For example, can you create dictionaries/hashmaps, like you would in Java or C#? What about receiving packets from a socket? Could ...
1
vote
2answers
1k views

Can't install CUDA drivers for GeForce GT555M

I've just bought a new Asus n55 laptop. It has 2 graphics cards from Intel and NVIDIA. But when I try to install CUDA's developer driver for my GPU I get this error: "This graphics driver could ...
1
vote
0answers
20 views

Want to try CUDA program on windows

I have a CUDA program written on linux, when I open the .cu files in Visual Studio 13 on Windows 10 I don't get the build option. How can I run it in Visual Studio 13 on Windows 10 ?
1
vote
1answer
66 views

Cuda toolkit draining battery windows 10

I installed CUDA toolkit 7.5 from NVIDIA (for Parallel programming course). But from the very next day, I've observed drastic change in the power consumption. Earlier the battery used to last for ...
1
vote
1answer
85 views

Blue screen IRQL while installing NVIDIA CUDA, Windows 7

I've been messing around all day over my PC installing many development packages, at one time I installed CUDA 7.0 but then I realized that it was not compatible with some other tools I'd had to ...
1
vote
0answers
138 views

Is there a way to run GPGPU code while using integrated graphics?

Occasionally I run CUDA code, and when I do, the screen goes completely dead for the duration of the computation (since the GPU is preoccupied). It would be amazing if I could switch to using ...