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setbatch

SETBATCH

Enables/diasables execution in batch mode of mappings

     W = SETBATCH(W,FLAG,BATCHSIZE,OBJSIZE)

Input
 W Mapping
 FLAG Switches batch processing on (TRUE) or off (FALSE)
 BATCHSIZE Number of objects per batch (default 1000)
 OBJSIZE Number of objects above which batch processing is enabled  (default BATCHSIZE)

Output
 W Mapping

Description

Mappings might be processed in batch mode in case of large datasets or  datafiles. This may solve problems in computing A*W (A is a datase/file)  by executing the result in batches if intermediate memory sizes are too  large. In case the final dataset is too large this will not be of use.  For some mappings batch processing results in problems.

The batch processing setting for untrained mappings is not always preserved during  training.

See also

mappings, getbatch,

PRTools contents

PRTools manual