spmd code in the script
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I'm starting with spmd. My first prepared code runs by pasting into command window, but crashes Matlab when I run the script with the same content. Now I'm trying on the PC with probably only one physical worker (the collegue says that second is virtual) and it shows problems with running paralel pool (eg. Undefined function or variable 'matlab.internal.getSettingsRoot'.) . However the toolbox is installed and the pasted code runs ok and creates the composites properly.
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Brendan Hamm
2015년 9월 1일
Additionally you should actually expect a performance decrease if you have only one physical worker as virtual cores are sharing resources with the physical.
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Shruti Sapre
2015년 9월 1일
Hello,
The error you mentioned (Undefined function or variable 'matlab.internal.getSettingsRoot') occurs sometimes when a custom pathdef.m has been implemented or when the path used by MATLAB cannot find some basic MATLAB folders. You could try running the below commands and restarting MATLAB to remove any modifications made to your path.
>>restoredefaultpath;
>>rehash toolboxcache;
>>savepath;
Please note that this will remove any modifications you have made to your path; it will also remove third party toolboxes and support packages. (You will need to reinstall them)
Hope this helps!
-Shruti
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