tensorflow:: ops:: ScatterNdAdd
#include <state_ops.h>
Applies sparse addition to individual values or slices in a Variable.
Summary
ref
is a Tensor
with rank P
and indices
is a Tensor
of rank Q
.
indices
must be integer tensor, containing indices into ref
. It must be shape [d_0, ..., d_{Q-2}, K]
where 0 < K <= P
.
The innermost dimension of indices
(with length K
) corresponds to indices into elements (if K = P
) or slices (if K < P
) along the K
th dimension of ref
.
updates
is Tensor
of rank Q-1+P-K
with shape:
[d_0, ..., d_{Q-2}, ref.shape[K], ..., ref.shape[P-1]]
For example, say we want to add 4 scattered elements to a rank-1 tensor to 8 elements. In Python, that addition would look like this:
ref = tf.Variable([1, 2, 3, 4, 5, 6, 7, 8]) indices = tf.constant([[4], [3], [1], [7]]) updates = tf.constant([9, 10, 11, 12]) add = tf.scatter_nd_add(ref, indices, updates) with tf.Session() as sess: print sess.run(add)
The resulting update to ref would look like this:
[1, 13, 3, 14, 14, 6, 7, 20]
See tf.scatter_nd
for more details about how to make updates to slices.
Args:
- scope: A Scope object
- ref: A mutable Tensor. Should be from a Variable node.
- indices: A Tensor. Must be one of the following types: int32, int64. A tensor of indices into ref.
- updates: A Tensor. Must have the same type as ref. A tensor of updated values to add to ref.
Optional attributes (see Attrs
):
- use_locking: An optional bool. Defaults to True. If True, the assignment will be protected by a lock; otherwise the behavior is undefined, but may exhibit less contention.
Returns:
Output
: Same as ref. Returned as a convenience for operations that want to use the updated values after the update is done.
Constructors and Destructors |
|
---|---|
ScatterNdAdd(const ::tensorflow::Scope & scope, ::tensorflow::Input ref, ::tensorflow::Input indices, ::tensorflow::Input updates)
|
|
ScatterNdAdd(const ::tensorflow::Scope & scope, ::tensorflow::Input ref, ::tensorflow::Input indices, ::tensorflow::Input updates, const ScatterNdAdd::Attrs & attrs)
|
Public attributes |
|
---|---|
operation
|
|
output_ref
|
Public functions |
|
---|---|
node() const
|
::tensorflow::Node *
|
operator::tensorflow::Input() const
|
|
operator::tensorflow::Output() const
|
|
Public static functions |
|
---|---|
UseLocking(bool x)
|
Structs |
|
---|---|
tensorflow:: |
Optional attribute setters for ScatterNdAdd. |
Public attributes
operation
Operation operation
output_ref
::tensorflow::Output output_ref
Public functions
ScatterNdAdd
ScatterNdAdd( const ::tensorflow::Scope & scope, ::tensorflow::Input ref, ::tensorflow::Input indices, ::tensorflow::Input updates )
ScatterNdAdd
ScatterNdAdd( const ::tensorflow::Scope & scope, ::tensorflow::Input ref, ::tensorflow::Input indices, ::tensorflow::Input updates, const ScatterNdAdd::Attrs & attrs )
node
::tensorflow::Node * node() const
operator::tensorflow::Input
operator::tensorflow::Input() const
operator::tensorflow::Output
operator::tensorflow::Output() const
Public static functions
UseLocking
Attrs UseLocking( bool x )