Neural Networks and GPU’s

Having recently upgraded to a GeForce GTX 580 I was amazed at the 30x speedup. I have been using a variation on Alex Krizhevsky’s cuda-convnet for a number of Kaggle competitions. The next step for me will be to add another card and use Alex’s updated cuda-convnet2 that supports multiple GPU’s. I like the idea of scaling up rather than scaling out. There is a good paper on this by  Adam Coates et  al.

There are a number of sites with good information on choosing a GPU for machine learning. The first one I came across at FastML called “Running things on a GPU”. Recently I came across another site with good advice also. The page is “Which GPU(s) to Get for Deep Learning”.

Here is a link to a benchmark of a number of the open source convnets.

Udacity has a good introduction to Cuda programming called “Intro to Parallel Programming”.

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