Creates a dataset that applies f
to the outputs of input_dataset
.
tf.raw_ops.ParallelMapDataset( input_dataset, other_arguments, num_parallel_calls, f, output_types, output_shapes, use_inter_op_parallelism=True, sloppy=False, preserve_cardinality=False, name=None )
Unlike a "MapDataset", which applies f
sequentially, this dataset invokes up to num_parallel_calls
copies of f
in parallel.
Args | |
---|---|
input_dataset | A Tensor of type variant . |
other_arguments | A list of Tensor objects. |
num_parallel_calls | A Tensor of type int32 . The number of concurrent invocations of f that process elements from input_dataset in parallel. |
f | A function decorated with @Defun. |
output_types | A list of tf.DTypes that has length >= 1 . |
output_shapes | A list of shapes (each a tf.TensorShape or list of ints ) that has length >= 1 . |
use_inter_op_parallelism | An optional bool . Defaults to True . |
sloppy | An optional bool . Defaults to False . |
preserve_cardinality | An optional bool . Defaults to False . |
name | A name for the operation (optional). |
Returns | |
---|---|
A Tensor of type variant . |
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Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r2.4/api_docs/python/tf/raw_ops/ParallelMapDataset