Is GPU necessary for deep learning (CNN)

2018 8 23
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I am using [net, info] = trainNetwork(xTrain,tTrain, layers, opts);
error show: "There is a problem with the CUDA driver or with this GPU device. Be sure that you have a supported GPU and that the latest driver is installed."
Caused by: The CUDA driver could not be loaded. The library name used was 'nvcuda.dll'. The error was: The specified module could not be found.

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Kojiro Saito
Kojiro Saito 2018-8-23

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As Release Notes of Neural Network Toolbox R2016a says, deep learning functions including trainNetwork require Parallel Computing Toolbox and a CUDA-enabled NVIDIA GPU with compute capability 3.0 or higher. From 2017a, trainNetwork is supported in CPUs, as described in this link.

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