1 /*
2 * Copyright (c) 2018-2020 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/DeconvolutionLayerNode.h"
25
26 #include "arm_compute/core/Utils.h"
27 #include "arm_compute/graph/Graph.h"
28 #include "arm_compute/graph/INodeVisitor.h"
29 #include "arm_compute/graph/Utils.h"
30
31 namespace arm_compute
32 {
33 namespace graph
34 {
DeconvolutionLayerNode(const descriptors::DeconvolutionLayerDescriptor & descriptor)35 DeconvolutionLayerNode::DeconvolutionLayerNode(const descriptors::DeconvolutionLayerDescriptor &descriptor)
36 : descriptor(std::move(descriptor))
37 {
38 _input_edges.resize(3, EmptyEdgeID);
39 _outputs.resize(1, NullTensorID);
40 }
41
deconvolution_info() const42 PadStrideInfo DeconvolutionLayerNode::deconvolution_info() const
43 {
44 return descriptor.info;
45 }
46
compute_output_descriptor(const TensorDescriptor & input_descriptor,const TensorDescriptor & weights_descriptor,const PadStrideInfo & info)47 TensorDescriptor DeconvolutionLayerNode::compute_output_descriptor(const TensorDescriptor &input_descriptor,
48 const TensorDescriptor &weights_descriptor,
49 const PadStrideInfo &info)
50 {
51 unsigned int output_width = 0;
52 unsigned int output_height = 0;
53
54 const unsigned int input_width = get_dimension_size(input_descriptor, DataLayoutDimension::WIDTH);
55 const unsigned int input_height = get_dimension_size(input_descriptor, DataLayoutDimension::HEIGHT);
56 const unsigned int kernel_width = get_dimension_size(weights_descriptor, DataLayoutDimension::WIDTH);
57 const unsigned int kernel_height = get_dimension_size(weights_descriptor, DataLayoutDimension::HEIGHT);
58
59 std::tie(output_width, output_height) = deconvolution_output_dimensions(input_width, input_height, kernel_width, kernel_height, info);
60
61 const DataLayout data_layout = input_descriptor.layout;
62 TensorDescriptor output_descriptor = input_descriptor;
63 output_descriptor.shape.set(get_dimension_idx(data_layout, DataLayoutDimension::WIDTH), output_width);
64 output_descriptor.shape.set(get_dimension_idx(data_layout, DataLayoutDimension::HEIGHT), output_height);
65 output_descriptor.shape.set(get_dimension_idx(data_layout, DataLayoutDimension::CHANNEL), weights_descriptor.shape[3]);
66
67 return output_descriptor;
68 }
69
forward_descriptors()70 bool DeconvolutionLayerNode::forward_descriptors()
71 {
72 if((input_id(0) != NullTensorID) && (input_id(1) != NullTensorID) && (output_id(0) != NullTensorID))
73 {
74 Tensor *dst = output(0);
75 ARM_COMPUTE_ERROR_ON(dst == nullptr);
76 dst->desc() = configure_output(0);
77 return true;
78 }
79 return false;
80 }
81
configure_output(size_t idx) const82 TensorDescriptor DeconvolutionLayerNode::configure_output(size_t idx) const
83 {
84 ARM_COMPUTE_UNUSED(idx);
85 const Tensor *src = input(0);
86 const Tensor *weights = input(1);
87
88 ARM_COMPUTE_ERROR_ON(src == nullptr || weights == nullptr);
89
90 TensorDescriptor output_info = compute_output_descriptor(src->desc(), weights->desc(), descriptor.info);
91
92 if(!descriptor.out_quant_info.empty())
93 {
94 output_info.set_quantization_info(descriptor.out_quant_info);
95 }
96
97 return output_info;
98 }
99
type() const100 NodeType DeconvolutionLayerNode::type() const
101 {
102 return NodeType::DeconvolutionLayer;
103 }
104
accept(INodeVisitor & v)105 void DeconvolutionLayerNode::accept(INodeVisitor &v)
106 {
107 v.visit(*this);
108 }
109 } // namespace graph
110 } // namespace arm_compute
111