Questions about using CUDALink, Mathematica's method to accelerate programs using NVidia graphics cards.
20
votes
3answers
651 views
How to find the center of a circular pattern?
I am writing an algorithm that finds the center of 500 x 500 pixels images coming from a live feed from a camera at 50 Hz. So it has to be quick! The images are images of an optical field which looks ...
11
votes
1answer
393 views
Why does CUDAQ (from CUDALink) download data from Wolfram servers?
I understand why functions like ElementData or CountryData need to download up-to-date data when first launched. However, when ...
10
votes
1answer
254 views
How to make a volume CUDA rendering isometric?
I just realized that the output of CUDAVolumetricRender[] uses (quite marked) perspective, which I do not want (for scientific data representation, it can be very ...
9
votes
1answer
413 views
CUDALink not working on Mac OS X
On my MacBook Pro, I have a CUDA enabled video card, yet Mathematica does not seem to recognize this. For example, following the CUDALink Setup, I get
...
9
votes
2answers
850 views
CUDA and GPU hardware and compatibility questions?
We have iMac desktops and have just begun to parallelize computations across them see: Wolfram Light Weight Grid and parallel computing.
This still does not look like it will give us the performance ...
7
votes
1answer
150 views
Can CUDAVolumetricRender be combined with other 3D graphics?
I have volumetric data, which I can render using CUDAVolumetricRender[]. However, I cannot seem to find a way to combine it with other 3D graphics, such as adding a ...
6
votes
1answer
275 views
Can't use CUDA shared memory
CUDALink is properly installed and up to date, all built-in functions work fine, and all little functions I did worked fine... Until I tried using shared memory.
The only example I found on the help ...
6
votes
2answers
208 views
Use of Cellular Automaton or Discrete Convolution to calculate Potts Energy of a 2D Matrix
In a project of Monte Carlo Modelling of Grain Growth (Link) one of the most costly subroutines is the calculation of the Potts-Energy of an Monte Carlo Grid cell by comparing the center cell value ...
6
votes
1answer
351 views
CUDALink not working on Linux-64 and Asus GTX460
On my hardware I have a CUDA enabled video card an ASUS GTX460, yet Mathematica does not seem to recognize this.
I have:
CUDA Toolkit 4.1
CUDA SDK 4.0
NVIDIA Driver 295.49
on Sabayon Linux 64 ...
4
votes
2answers
238 views
CUDA: setting grid dimensions
I'm new to CUDA, and CUDALink.
I see how CUDAFunctionLoad allows one to set the block dimensions. On calling the function, you can also either pass as argument or have MMA automatically select the ...
4
votes
2answers
116 views
Mathematica cannot find CUDA driver
I have successfully installed CUDA 5.0 on my Ubuntu 12.10, with driver 304.54, toolkit and samples. Running deviceQuery gives me a successful output:
...
3
votes
2answers
275 views
How to properly remove the CUDAResources paclet?
I have Mathematica 8.0.0.0 installed on my Mac, and while I tried to see what it could do with CUDA, it downloaded a large directory (~1 GB) named ...
3
votes
1answer
60 views
CUDAQ[] returns False in version 9 while True in version 8
CUDA works in version 8 but not in version 9. Is there a way to fix the problem in version 9? I've installed the latest CUDA from the official website https://developer.nvidia.com/cuda-downloads
3
votes
1answer
85 views
How to troubleshoot CUDALink?
This is a follow-up question from linking the libraries for CUDALlink in Ubuntu 12.10.
The tests that I execute (CUDAQ[], ...
3
votes
0answers
175 views
CUDALink is not initialized
I've upgraded to Mathematica 9.0 on Ubuntu 12.04 with the latest Nvidia driver (304.64).
I load CUDA by using, as usual, Needs["CUDALink`"].
...
0
votes
0answers
76 views
How to get OpenCL/ CUDA started? [closed]
Has anyone of you experiences with Intel HD graphics 4000 and the OpenCL/CUDA built-in functions in Mathematica. I installed the latest version of the Intel® SDK for OpenCL* Applications packages, but ...
0
votes
0answers
106 views
Problem with “Test Connectivity”
I have internet connection and I can execute such commands like:
Import["http://www.google.com"]
and
== integrate x^2 dx
...
