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 */
24 #include "arm_compute/graph/nodes/ChannelShuffleLayerNode.h"
25
26 #include "arm_compute/graph/Graph.h"
27 #include "arm_compute/graph/INodeVisitor.h"
28
29 namespace arm_compute
30 {
31 namespace graph
32 {
ChannelShuffleLayerNode(unsigned int num_groups)33 ChannelShuffleLayerNode::ChannelShuffleLayerNode(unsigned int num_groups)
34 : _num_groups(num_groups)
35 {
36 _input_edges.resize(1, EmptyEdgeID);
37 _outputs.resize(1, NullTensorID);
38 }
39
num_groups() const40 unsigned int ChannelShuffleLayerNode::num_groups() const
41 {
42 return _num_groups;
43 }
44
forward_descriptors()45 bool ChannelShuffleLayerNode::forward_descriptors()
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
configure_output(size_t idx) const57 TensorDescriptor ChannelShuffleLayerNode::configure_output(size_t idx) const
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
type() const68 NodeType ChannelShuffleLayerNode::type() const
69 {
70 return NodeType::ChannelShuffleLayer;
71 }
72
accept(INodeVisitor & v)73 void ChannelShuffleLayerNode::accept(INodeVisitor &v)
74 {
75 v.visit(*this);
76 }
77 } // namespace graph
78 } // namespace arm_compute