http://www.k-wave.org/forum/topic/getting-started-with-gpumat Support for the k-Wave MATLAB toolbox en-US Tue, 12 May 2026 21:36:18 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/getting-started-with-gpumat#post-24 Mon, 24 May 2010 10:56:15 +0000 Bradley Treeby 24@http://www.k-wave.org/forum/ <p>UPDATE: Since release B.0.4, the wavenumber and PML variables in k-Wave have been stored as vectors (instead of replicated matrices) and then applied using <code>bsxfun</code>. This function is not natively supported by GPUmat and the performance of the replacement version (see below) may not be optimal.</p> <p>To get started using the k-Wave Toolbox with a graphics processing unit (GPU)</p> <ol> <li>Check you have a <a href="http://www.nvidia.com/object/cuda_gpus.html">CUDA-enabled GPU</a></li> <li>Install the latest <a href="http://www.nvidia.com/drivers">drivers</a></li> <li>Install the <a href="http://developer.nvidia.com/category/zone/cuda-zone">CUDA Toolkit</a></li> <li>Download the <a href="http://sourceforge.net/projects/gpumat/">GPUmat Toolbox</a></li> <li>Copy the functions from the <code>k-Wave Toolbox\Other\GPUmat</code> folder to the <code>GPUmat\@GPUtype</code> folder, renaming their extensions from <code>.txt</code> to <code>.m</code> (these are wrapper functions for <code>bsxfun</code>, <code>fft3</code>, and <code>ifft3</code> in the GPUmat toolbox)</li> <li>Make sure both the k-Wave and GPUmat toolboxes are on your MATLAB path, then try running<br /> <code>&gt;&gt; GPUstart</code><br /> and then<br /> <code>&gt;&gt; tic; fft2(GPUsingle(rand(100, 100))); toc;</code><br /> to check the GPU is working</li> <li>Try running a k-Wave simulation with the optional input <code>&#39;DataCast&#39;, &#39;GPUsingle&#39;</code></li> </ol>