[Eeglablist] Running AMICA in a super-computer

[Tyler Grummett]

Dear eeglab,


Recently Im facing a problem when running multiple AMICAs in a super-computer at once, where I get the following error:

...

 iter   258 lrate =  1.0000000000 LL =  -0.0238247322 nd =  0.0001777274, D =   0.89129E-01  0.89129E-01  ( 33.34 s, 182.8 h)
 iter   259 lrate =  1.0000000000 LL =  -0.0238213053 nd =  0.0001768634, D =   0.89103E-01  0.89103E-01  ( 34.18 s, 187.4 h)
 iter   260 lrate =  1.0000000000 LL =  -0.0238178712 nd =  0.0001762253, D =   0.89076E-01  0.89076E-01  ( 33.08 s, 181.4 h)
forrtl: Permission denied
forrtl: severe (28): CLOSE error, unit 19, file "Unknown"
Image              PC                Routine            Line        Source
amica15ub          00000000010D4003  Unknown               Unknown  Unknown
amica15ub          00000000010D1A6D  Unknown               Unknown  Unknown
amica15ub          0000000000441780  Unknown               Unknown  Unknown
amica15ub          0000000000419E08  Unknown               Unknown  Unknown
amica15ub          00000000004021DE  Unknown               Unknown  Unknown
amica15ub          000000000118C1A4  Unknown               Unknown  Unknown
amica15ub          00000000004020C1  Unknown               Unknown  Unknown


However, this error doesn the error doesnt generate an error in matlab so it tries to proceed forward and uses the ICA weights from the most recent iteration. Obviously this isnt ideal, as AMICA requires a lot of iterations to get good ICs.


Does anyone have any idea how to fix this or find a work around? I can confirm that there are no jobs using the same temporary file, temporary output folder, or any of the functions that are run in AMICA. They are all copied to their own folder and run independently. At least thats what I hope is happening.


Im running out of things to try.


Regards,

Tyler


*************************

Tyler Grummett ( BBSc, BSc(Hons I))
PhD Candidate
Brain Signals Laboratory
Flinders University
Rm 5A301
Ext 66125
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