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I would like to train a smallish network using cpu cores in parallel rather than gpu as they are slower.

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aaDL.options.ValidationFrequency = 50;
%aaDL.options.ExecutionEnvironment = 'cpu';
aaDL.options.ExecutionEnvironment = 'parallel'; % as an alternative

Answers (1)

Joss Knight
Joss Knight on 8 Sep 2023
setenv CUDA_VISIBLE_DEVICES -1
when you first start MATLAB, assuming you are running everything locally.
However, as a general rule you can't gain any benefit training in parallel on the CPU on a single machine. MATLAB is already running everything multithreaded.

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