How can I determine the number of threads that MATLAB uses?

In MATLAB versions up to 7.7 (2008b) you can determine the maximum number of threads that it can use with

N = maxNumCompThreads
LASTN = maxNumCompThreads(N)
LASTN = maxNumCompThreads('automatic') 

In MATLAB versions 7.8 and onward, the maxNumCompThreads function is not supported any more. Instead, you can tell MATLAB that it should use a single thread at startup by providing the -singleCompThread to the smartup command, e.g.

matlab78 -nodesktop -singleCompThread 

See for more details.

faq/how_can_i_determine_the_number_of_threads_that_matlab_uses.txt · Last modified: 2013/11/12 21:50 by

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