tall/gather issue

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Roro
Roro 2019-12-3
回答： Edric Ellis 2019-12-4
Hi everyone,
I have issue while using tall/gather function running in parallel pool in matlab, the error as below
Error using tall/gather (line 50)
An undefined function error was thrown on the workers for 'HelperGenerateSpeechDenoisingFeatures'. The file containing
'HelperGenerateSpeechDenoisingFeatures' might not be available on the workers. Specify the required files for this parallel pool
using the command: addAttachedFiles(pool, ...). See the documentation for parpool for more details.
Learn more about errors encountered during GATHER.
Error in XX (line 134)
[targets,predictors] = gather(targets,predictors);
Caused by:
Error using tall/cellfun (line 19)
Undefined function 'HelperGenerateSpeechDenoisingFeatures' for input arguments of type 'dsp.SampleRateConverter'.
how can I fix this issue please.
thanks

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回答（1 个）

Edric Ellis
Edric Ellis 2019-12-4
This error means that the workers on your remote cluster cannot find code that they need to execute your tall array algorithm. You should try the suggestion from the error message, and do:
addAttachedFiles(gcp(), 'HelperGenerateSpeechDenoisingFeatures')

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