Compute Library
 22.11
ChannelShuffleLayerNode.cpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2018 Arm Limited.
3  *
4  * SPDX-License-Identifier: MIT
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
25 
28 
29 namespace arm_compute
30 {
31 namespace graph
32 {
34  : _num_groups(num_groups)
35 {
36  _input_edges.resize(1, EmptyEdgeID);
37  _outputs.resize(1, NullTensorID);
38 }
39 
41 {
42  return _num_groups;
43 }
44 
46 {
47  if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
48  {
49  Tensor *dst = output(0);
50  ARM_COMPUTE_ERROR_ON(dst == nullptr);
51  dst->desc() = configure_output(0);
52  return true;
53  }
54  return false;
55 }
56 
58 {
59  ARM_COMPUTE_UNUSED(idx);
60  ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
61 
62  const Tensor *src = input(0);
63  ARM_COMPUTE_ERROR_ON(src == nullptr);
64 
65  return src->desc();
66 }
67 
69 {
71 }
72 
74 {
75  v.visit(*this);
76 }
77 } // namespace graph
78 } // namespace arm_compute
TensorDescriptor configure_output(size_t idx) const override
Calculates output configuration.
unsigned int num_groups() const
Number of groups accessor.
#define ARM_COMPUTE_ERROR_ON(cond)
If the condition is true then an error message is printed and an exception thrown.
Definition: Error.h:466
NodeType type() const override
Returns node's type.
SimpleTensor< float > src
Definition: DFT.cpp:155
Copyright (c) 2017-2022 Arm Limited.
ChannelShuffleLayerNode(unsigned int num_groups)
Constructor.
bool forward_descriptors() override
Forwards descriptor information to outputs if possible.
TensorDescriptor & desc()
TensorInfo metadata accessor.
Definition: Tensor.cpp:40
#define ARM_COMPUTE_UNUSED(...)
To avoid unused variables warnings.
Definition: Error.h:152
virtual void visit(INode &n)=0
Visit INode.
Tensor * output(size_t idx) const
Returns the tensor of a given output of the node.
Definition: INode.cpp:159
const unsigned int num_groups
Definition: Im2Col.cpp:153
TensorID input_id(size_t idx) const
Returns the tensor ID of a given input of the node.
Definition: INode.cpp:138
NodeType
Supported nodes.
Definition: Types.h:199
constexpr EdgeID EmptyEdgeID
Definition: Types.h:78
TensorID output_id(size_t idx) const
Returns the tensor ID of a given output of the node.
Definition: INode.cpp:145
void accept(INodeVisitor &v) override
Accepts a node visitor.
constexpr TensorID NullTensorID
Constant NodeID specifying an equivalent of null node.
Definition: Types.h:74
Node visitor interface.
Definition: INodeVisitor.h:34
Tensor * input(size_t idx) const
Returns the tensor of a given input of the node.
Definition: INode.cpp:151
Tensor object.
Definition: Tensor.h:41