tf.keras.utils.OrderedEnqueuer

View source on GitHub

Builds a Enqueuer from a Sequence.

Inherits From: SequenceEnqueuer

View aliases

Compat aliases for migration

See Migration guide for more details.

tf.compat.v1.keras.utils.OrderedEnqueuer, `tf.compat.v2.keras.utils.OrderedEnqueuer`

tf.keras.utils.OrderedEnqueuer(
    sequence, use_multiprocessing=False, shuffle=False
)

Used in fit_generator, evaluate_generator, predict_generator.

Arguments
sequence	A tf.keras.utils.data_utils.Sequence object.
use_multiprocessing	use multiprocessing if True, otherwise threading
shuffle	whether to shuffle the data at the beginning of each epoch

Methods

get

View source

get()

Creates a generator to extract data from the queue.

Skip the data if it is None.

Yields:

The next element in the queue, i.e. a tuple (inputs, targets) or (inputs, targets, sample_weights).

is_running

View source

is_running()

start

View source

start(
    workers=1, max_queue_size=10
)

Starts the handler's workers.

Arguments
workers	Number of workers.
max_queue_size	queue size (when full, workers could block on put())

stop

View source

stop(
    timeout=None
)

Stops running threads and wait for them to exit, if necessary.

Should be called by the same thread which called start().

Arguments
timeout	maximum time to wait on thread.join()