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

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207
votes
12answers
44k 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 ...
22
votes
1answer
24k 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 ...
7
votes
2answers
6k 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 ...
5
votes
5answers
5k 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 ...
4
votes
2answers
10k 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
4
votes
1answer
3k 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
4k 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
1k 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
2answers
719 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? * ...
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
1answer
4k 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
0answers
932 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 ...
2
votes
1answer
3k 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

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
2k views

streaming multiprocessor number

how do I know how many streaming multiprocessors(SM) I have on my GTS 250?
2
votes
1answer
792 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 ...
2
votes
1answer
35 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
186 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
153 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. ...
2
votes
0answers
340 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
303 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
2answers
2k views

Switch off optimus in dell inspiron n5110 in linux

I have a dell n5110 laptop which comes with a nvidia optimus GPU.While there is no problem in windows 7,the real problem is with linux. The GPU is always on though not detected by linux and sucking a ...
1
vote
1answer
279 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
147 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
961 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
630 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
3answers
4k 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 ...
1
vote
1answer
184 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
224 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
1answer
495 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 ...
1
vote
0answers
99 views

How to configure X-Windows for CUDA-GDM with 1 GPU card and 1 motherboard adapter

The CUDA-GDB debugging tools apparently require a very specific x-windows configuration process and I am still trying to work out the steps. A person must install the NVIDIA drivers to access the CUDA ...
1
vote
1answer
59 views

Is it necessary to connect 2 my video cards by SLI if I want to place them on my mother board 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
0answers
547 views

CUDA 5.5 with Debian Wheezy/Jesse

I'm thinking of installing the recently-released CUDA 5.5 on top of Debian. Questions: Is it recommendable to install it on Debian testing (as of Sep 2013, i.e. Jesse), or Debian stable (as of Sep ...
1
vote
0answers
72 views

GPU used for String operations ?

Am working a bit on CUDA, most of the examples and tutorials i see deal with implementing mathematical functions on the GPU ( Like some vector / matrix calculations). I was wondering if we can ...
1
vote
0answers
292 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 ...
1
vote
0answers
279 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 ...
1
vote
0answers
260 views

CUDA reports no devices present when logging in over SSH

I'm on Windows 7, CUDA 5, but I also experienced this with CUDA 4.2 (prompting an upgrade to 5.) I remote in over SSH (using cygwin's ssh), and when I run the following test program, it tells me no ...
1
vote
0answers
564 views

How to get maximum CUDA performance from laptop GPU

I have an ASUSN56V laptop with a GeForce GT 650M and i7-3610QM and want to use the card for calculations with CUDA. My impression from my scaling tests is that my GPU is not utilized to the maximum ...
1
vote
0answers
410 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 ...
1
vote
0answers
153 views

CUDA-Multiforcer will not work although CUDA Toolkit and everything is installed

I installed everything like here on my new Ubuntu 11.10 Desktop. Specifications: Intel core i5 2500k, 16 GB RAM, NVIDIA GeForce GTX 560TI CU II by ASUS So I installed everything but the ...
1
vote
0answers
464 views

CUDA enabled audio transcoding software?

I have 2000 files which iTunes somehow decided should be aac and transcoded for me without me realizing it. I want to transcode these back to MP3s as quickly as possible, so I can use them on Google ...
1
vote
3answers
2k views

Is there a way to run CUDA applications with the CUDA device being a secondary adapter?

I've been trying to run a CUDA program on a remote computer which has Windows 7 installed. The GPU is GeForce GTX 480. One of the problems I've been facing is that, the computer has two adapters, 1) ...
0
votes
1answer
740 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 ...
0
votes
1answer
629 views

NVIDIA CUDA and linux

This Lenovo Z570 laptop comes with NVIDIA GEforce GT520M with optimus technology. I'm trying to install CUDA on Ubuntu 10.10. I downloaded a dev driver from the NVIDIA site. After installation X ...
0
votes
2answers
115 views

NVIDIA CUDA on Windows Compact Embedded 7

Is there a way to use NVIDIA CUDA in Windows Embedded Compact 7? I'm currently working on a system that processes video and would like to change from Windows 7 to Windows CE 7. However, I'm not sure ...
0
votes
2answers
505 views

Error while compiling Cuda Accelerated Linpack hpl_2.0_FERMI

I use Ubuntu 11.04 x86_64 CUDA 4.0 OpenMpi 1.4stable MKL When I compile, I get this error: ar r -L/home/limksadmin/hpl-2.0_FERMI_v13/lib/CUDA/libhpl.a HPL_dlacpy.o HPL_dlatcpy.o ...
0
votes
1answer
692 views

Automate *.run file install?

Using: CentOS 6.2 BASH Script I regularly install CUDA (a GPU programming API) on machines in my work cluster, and have to reupgrade three *.run installers whenever I do an upgrade version-wise. The ...
0
votes
2answers
352 views

CUDA driver installation on a laptop with nVidia NVS140M card

I'm trying to first figure out if my computer contains a CUDA-enabled card. It has an nVidia NVS 140M card, but I can't seem to figure out if it is the 128 MB version or 256 MB version. On the laptop ...
0
votes
1answer
836 views

Syntax high-lighting a CUDA (.cu) program in visual studio (2005 and/or 2008)

I'm new to GPU-programming with CUDA and have just installed everyting on my machine to get started, and it's working. Big victory! However, when I open the code samples in VS(2005 and 2008) NVidia ...