Specify Multi core performance processor usage

2023 8 31
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Hi all. Is there a way when using multi core on a PC to specify that Matlab uses the performance cores first before using the efficient ones or is this already in the program? I'm using it for NN training.
Regards
Steve Gray

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dim-ask
dim-ask 2023-8-31
Ime in macos it uses the performance cores first, and if you request more cores is starts using the efficient cores. You can check actually which cores are getting utilised, in macos in activity monitor or command line tools like btop.
Rik
Rik 2023-9-1
Is there a reason why you're training on a CPU instead of a GPU?
There are ways to set processor affinity in Windows (that is the keyword you should google), but I am not aware of tools inside Matlab to specify an order.
Stephen Gray
Stephen Gray 2023-9-1
Yes, the training function I am using does not run on the GPU. I've tried using a funtion that does run on the GPU but it isn't as accurate as the CPU one.
Stephen Gray
Stephen Gray 2023-9-1
Thanks! That answers my question.

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Bruno Luong
Bruno Luong 2023-9-1
移动：Bruno Luong 2023-9-1

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It seems the general pattern is MATLAB uses performance cores first via native multi-threading, see Alison Eele in this thread
https://www.mathworks.com/matlabcentral/answers/1889122-parpool-sorting-out-the-default-number-of-workers?s_tid=srchtitle

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