Limited Number of Cores in Parallel Processing

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Ahmad Gad 2017-12-4

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https://ww2.mathworks.cn/matlabcentral/answers/370987-limited-number-of-cores-in-parallel-processing

回答： Prateekshya 2024-8-28

Hello everyone.

For some reason, MATLAB in not allowing me to connect to more than 48 workers although I am working on the university mane-frame which has many more can be assigned. Is this a limitation of the educational version I am using? Or any ideas about how to increase the number of the assigned workers?

Thanks and best Ahmad Gad

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Answer 1

Prateekshya 2024-8-28

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https://ww2.mathworks.cn/matlabcentral/answers/370987-limited-number-of-cores-in-parallel-processing#answer_1506494

Hello Ahmad,

MATLAB's ability to connect to a certain number of workers is primarily determined by the type of license you have and the configuration of the cluster you are using. The following might be the reasons:

MATLAB licenses, especially educational ones, often have limitations on the number of parallel workers you can use. Please check with your university's IT or MATLAB administrator to see if this is the case.
Additionally, the cluster might be configured to limit the number of workers per user or per session to ensure fair resource distribution among users.
The cluster profile you are using might have a default or maximum number of workers set to 48. Please check and modify this profile if you have the necessary permissions.

I hope this helps!