Gated Recurrent Unit cell.
Inherits From: RNNCell
, Layer
, Layer
, Module
tf.compat.v1.nn.rnn_cell.GRUCell(
num_units,
activation=None,
reuse=None,
kernel_initializer=None,
bias_initializer=None,
name=None,
dtype=None,
**kwargs
)
Note that this cell is not optimized for performance. Please use
tf.compat.v1.keras.layers.CuDNNGRU
for better performance on GPU, or
tf.raw_ops.GRUBlockCell
for better performance on CPU.
Args |
num_units
|
int, The number of units in the GRU cell.
|
activation
|
Nonlinearity to use. Default: tanh .
|
reuse
|
(optional) Python boolean describing whether to reuse variables in
an existing scope. If not True , and the existing scope already has
the given variables, an error is raised.
|
kernel_initializer
|
(optional) The initializer to use for the weight and
projection matrices.
|
bias_initializer
|
(optional) The initializer to use for the bias.
|
name
|
String, the name of the layer. Layers with the same name will share
weights, but to avoid mistakes we require reuse=True in such cases.
|
dtype
|
Default dtype of the layer (default of None means use the type of
the first input). Required when build is called before call .
|
**kwargs
|
Dict, keyword named properties for common layer attributes, like
trainable etc when constructing the cell from configs of get_config().
References: Learning Phrase Representations using RNN Encoder Decoder
for Statistical Machine Translation: Cho et al., 2014
(pdf)
|
Attributes |
graph
|
|
output_size
|
Integer or TensorShape: size of outputs produced by this cell.
|
scope_name
|
|
state_size
|
size(s) of state(s) used by this cell.
It can be represented by an Integer, a TensorShape or a tuple of
Integers or TensorShapes.
|
Methods
apply
View source
apply(
*args, **kwargs
)
get_initial_state
View source
get_initial_state(
inputs=None, batch_size=None, dtype=None
)
get_losses_for
View source
get_losses_for(
inputs
)
Retrieves losses relevant to a specific set of inputs.
Args |
inputs
|
Input tensor or list/tuple of input tensors.
|
Returns |
List of loss tensors of the layer that depend on inputs .
|
get_updates_for
View source
get_updates_for(
inputs
)
Retrieves updates relevant to a specific set of inputs.
Args |
inputs
|
Input tensor or list/tuple of input tensors.
|
Returns |
List of update ops of the layer that depend on inputs .
|
zero_state
View source
zero_state(
batch_size, dtype
)
Return zero-filled state tensor(s).
Args |
batch_size
|
int, float, or unit Tensor representing the batch size.
|
dtype
|
the data type to use for the state.
|
Returns |
If state_size is an int or TensorShape, then the return value is a
N-D tensor of shape [batch_size, state_size] filled with zeros.
If state_size is a nested list or tuple, then the return value is
a nested list or tuple (of the same structure) of 2-D tensors with
the shapes [batch_size, s] for each s in state_size .
|