Questions about using CUDALink, Mathematica's method to accelerate programs using NVidia graphics cards.
3
votes
1answer
64 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
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 ...
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 ...
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[], ...
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:
...
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 ...
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 ...
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
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
...
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 ...
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 ...
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 ...
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
...
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 ...
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 ...
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 ...
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 ...
