Creates a dataset that fuses mapping with batching.
tf.raw_ops.ExperimentalMapAndBatchDataset(
input_dataset,
other_arguments,
batch_size,
num_parallel_calls,
drop_remainder,
f,
output_types,
output_shapes,
preserve_cardinality=False,
name=None
)
Creates a dataset that applies f to the outputs of input_dataset and then
batches batch_size of them.
Unlike a "MapDataset", which applies f sequentially, this dataset invokes up
to batch_size * num_parallel_batches copies of f in parallel.
Args |
|---|
input_dataset
Tensor of type variant.
A variant tensor representing the input dataset.
other_arguments
Tensor objects.
A list of tensors, typically values that were captured when building a closure
for f.
batch_size
Tensor of type int64.
A scalar representing the number of elements to accumulate in a
batch. It determines the number of concurrent invocations of f that process
elements from input_dataset in parallel.
num_parallel_calls
Tensor of type int64.
A scalar representing the maximum number of parallel invocations of the map_fn
function. Applying the map_fn on consecutive input elements in parallel has
the potential to improve input pipeline throughput.
drop_remainder
Tensor of type bool.
A scalar representing whether the last batch should be dropped in case its size
is smaller than desired.
f
input_dataset.
output_types
tf.DTypes that has length >= 1.
output_shapes
tf.TensorShape or list of ints) that has length >= 1.
preserve_cardinality
bool. Defaults to False.
name
Returns | |
|---|---|
A Tensor of type variant.
|