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Number of partitions for a datastore


N = numpartitions(ds) returns the default number of partitions for a label datastore ds.

N = numpartitions(ds,pool) returns the number of partitions needed to parallelize datastore access over the parallel pool specified by pool. To parallelize datastore access, you must have Parallel Computing Toolbox™ installed.

Input Arguments

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Datastore with labeled data for training a semantic segmentation network or an object detection network, specified as a pixelLabelDatastore, pixelLabelImageDatastore, or boxLabelDatastore object.

Parallel pool object.

Example: gcp

Version History

Introduced in R2017b