Does matlab create only one worker on each core when you use parallel toolbox?

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m r
m r 2015-5-7
评论： Sean de Wolski 2015-5-7
I have R2011b, use parallel toolbox and wanna know how it duplicates workers. Is it supposed to create just one worker on each core?

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Edric Ellis
Edric Ellis 2015-5-7
Yes, that's right - the default is to use the number of physical cores (not hyperthreaded cores). You can override this choice by setting the NumWorkers property of the local scheduler.
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Sean de Wolski
Sean de Wolski 2015-5-7
The Parallel Computing Toolbox doesn't assign workers to cores, the OS does as system resources become available.

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