numpartitions

Number of partitions for a datastore

Syntax

N = numpartitions(ds)

N = numpartitions(ds,pool)

Description

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

ds — Datastore with labeled data

PixelLabelDatastore object | pixelLabelImageDatastore object | boxLabelDatastore object

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

pool — Parallel pool

parallel pool object

Parallel pool object.

Example: gcp

Version History

Introduced in R2017b