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How to make matlab use more CPUs

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Haleh
Haleh on 6 Nov 2013
Commented: Walter Roberson on 12 Feb 2021
Dear all, I am running matlab on a linux server which has 64 free CPUs but when I run matlab it uses only 4 CPUs. How can I make matlab to use at leat 12 CPUs?

Answers (2)

Andy
Andy on 6 Nov 2013
I am surprised you are managing to use 4 CPUs but then my only experience is with desktop PCs not servers. To use more more you will probably need the Parallel Computing Toolbox. http://www.mathworks.co.uk/products/parallel-computing/

Raymond Norris
Raymond Norris on 12 Feb 2021
You need to provide more information on how you're running MATLAB on the server.
  1. Are you running through a scheduler (e.g. PBS)? If so, include a copy of the job script.
  2. Are you using cgroups?
  3 Comments
Walter Roberson
Walter Roberson on 12 Feb 2021
Yup, someone posted an Answer to it, with the entire content of the Answer being the word "ok"

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