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

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Frank Urban
Frank Urban 2023-9-6
回答： Joss Knight 2023-9-8
aaDL.options.ValidationFrequency = 50;
%aaDL.options.ExecutionEnvironment = 'cpu';
aaDL.options.ExecutionEnvironment = 'parallel'; % as an alternative

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Joss Knight
Joss Knight 2023-9-8
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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