Re: [LAD] Linux-audio-dev Digest, Vol 44, Issue 6

Message: 9 Date: Mon, 04 Oct 2010 13:51:07 +0200 From: Max Tandetzky <max.tandetzky(a)uni-jena.de> Subject: [LAD] CUDA implementation for calf To: linux-audio-dev(a)lists.linuxaudio.org Message-ID: <4CA9BFAB.2090707(a)uni-jena.de> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Hallo, I am new here, so I hope this is the right place to talk about what I want to do. I want to make a CUDA implementation of the algorithms from the calf-plugins. On the front end there should be placed a button (or something else) to (de-)activate the CUDA support. I have already written a jack-program (which makes some simple changes on audio data) using CUDA. It works good and at a first sight the performance looks promisingly. I have read a part of the mailing list archive and found out that there already was a discussion about audio processing with CUDA. I know there are some reasons for not using CUDA like the duty to use the proprietary Nvida driver, the limitation that only people who have an Nvidia card will have a benefit and so on. But the CUDA implementation may show which performance can be reached and may beuseful for Nvidia users immediately. I know there is OpenCL but it is not as sophisticated as CUDA at the moment, will have less performance than CUDA and I do not have the time to learn OpenCl at the moment (but the project has to be finished soon). I heard it is not too much work to transfer existing CUDA code to OpenCl code later (assuming there is already an OpenCL implementation for all CUDA functions which were used). So I want to do this with CUDA. At the moment I have some questions: 1. Is there anybody has already done or is doing something like this? 2. Where can I get information to make any specific changes on the calf code? (I examined it a bit but it will take time to understand the structure of the program when I only have the code, especially the part for the GUI seems to be conceptualized a bit more complex.) It would be nice if I can get some help here. Regards Max Tandetzky