[Eeglablist] Parallel Data Processing

Arnaud Delorme arno at ucsd.edu
Tue Nov 4 14:20:17 PST 2014


Dear Richard,

>  o if EEGLAB keeps internal states (caches, heuristics, ...) during a
> calculation, which might then have implications on a second
> calculation running in parallel, and if so,

EEGLAB functions do not access global variables. So you be able to use parfor no problem when calling (for example) newtimef or pop_newtimef.

>  o whether the worker processes are actual separate Matlab processes
> completely independent of one another, meaning internal EEGLAB states
> in one worker would not influence calculations in another. (I could
> not find any documentation about this particular question on the
> Matlab website.)

Yes, this is the case.

Arno

> 
> Thank you very much for your help!
> 
>    Richard
> 
> 
> References:
> [1] http://www.mathworks.com/products/parallel-computing/index.html
> [2] http://www.mathworks.com/products/distriben/index.html
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