# Tagged Questions

Questions on using Mathematica functionality to take advantage of a Graphics Processing Unit, a special stream processor designed for highly parallel computer graphics operations.

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### Nonlinear least squares on a GPU with Mathematica 9

Update: A Mathematica wrapper for (https://github.com/zitmen/cuLM) should allow for us to directly implement the Levenberg-Marquardt algorithm in CUDA for nonlinear least squares fitting. In a ...
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### Combining images with CUDA

SMALL UPDATE: This question is left as unanswered, because none of the existing answers as of yet actually use CUDA (though, whilst being very useful). 2nd Edition: To make it a bit more clear, and ...
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### GPU user experiences

Edit Thanks to all who have responded! I now have plenty of information on the GeForce 650M GPU as found in most new, mid-range Mac laptops; the Mandelbrot code below runs in comfortably under a ...
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### OpenCL Dot Product

I have to calculate billions of dot products. My current implementation uses Compile to generate C code and it's very fast (10s ...
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### How is the dimensionality of an OpenCL problem specified?

When writing an OpenCL kernel, calls to get_global_id() are used to determine the "position" within the problem that a particular instance of the kernel is working ...
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### Mathematica 10 enables discrete GPU

When the kernel is running, the discrete GPU is enabled automatically and battery life plummets, even though my code uses no CUDA or OpenCL functions. Is it possible to prevent that from happening? ...
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### A simple experiment to understand CUDAFunctionLoad

In an attempt to answer my own question (Beginner CUDA: two dimensional blocks and two dimensional threads?). Please excuse the long post, it contains for examples I constructed as an experiment to ...
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### Beginner CUDA: two dimensional blocks and two dimensional threads?

This is a follow up question to: CUDA: setting grid dimensions. The purpose of the question is to understand how Mathematica is interfacing with CUDA's architecture. I have a related question/request ...
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### Are there any openCL test suites?

I have a new ATI gpu that I have been trying on 3 different distributed computing projects. I get errors on each work unit. The errors indicate No Protocol which could be caused by a bad environment ...
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### How do I fix Needs[“OpenCLLink”] failure?

In Mathematica 8.0.4 under Mac OS X 10.8.2, when I evaluate Needs["OpenCLLink"] I get error ...
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### Looking for a working mathematica CUDA port of NVIDIA's nbody.cu

I am trying to extend an example that is provided as one of NVIDIA's prototypical examples: http://docs.nvidia.com/cuda/cuda-samples/index.html#cuda-n-body-simulation I'm trying, but haven't been ...
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### Can Mathematica automatically take advantage of the GPU on the new Mac Pro?

I'm upgrading my Mac to one of the new Mac Pro R2D2 Darth Vader models that have just been released. They come standard with twin AMD FirePro D300 cards, or twin D500 cards. I don't need that much ...
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A fairly simple experiment, I am trasponsing an identitiy (3x3) matrix, and I got a weird result. I tried also CUDADot and works as expected. The code I used: ...
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We are running a Windows 7 machine with Nvidia GTX 770. According to this reference GPU Hardware: CUDA for Mathematica 9 is not supported on that hardware. Is there any way to get it running? <...
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### I need some GPU benchmark for Mathematica [closed]

I am considering to buy a GPU. I need to know two things: Is it possible to solve a system of differential equations using GPU and Mathematica's functions? I need to know how much faster would be ...
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### Can GPU (CUDA) speed up LinearSolve?

Is there a way to use GPU (CUDA) to speed up LinearSolve?