Gian Marco Iodice | 23e2479 | 2018-09-07 15:32:14 +0100 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2019 Arm Limited. |
Gian Marco Iodice | 23e2479 | 2018-09-07 15:32:14 +0100 | [diff] [blame] | 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/ReorgLayerNode.h" |
| 25 | |
| 26 | #include "arm_compute/graph/Graph.h" |
| 27 | #include "arm_compute/graph/INodeVisitor.h" |
| 28 | #include "arm_compute/graph/Utils.h" |
| 29 | |
| 30 | namespace arm_compute |
| 31 | { |
| 32 | namespace graph |
| 33 | { |
| 34 | ReorgLayerNode::ReorgLayerNode(int stride) |
| 35 | : _stride(stride) |
| 36 | { |
| 37 | _input_edges.resize(1, EmptyEdgeID); |
| 38 | _outputs.resize(1, NullTensorID); |
| 39 | } |
| 40 | |
| 41 | int ReorgLayerNode::stride() const |
| 42 | { |
| 43 | return _stride; |
| 44 | } |
| 45 | |
| 46 | TensorDescriptor ReorgLayerNode::compute_output_descriptor(const TensorDescriptor &input_descriptor, int stride) |
| 47 | { |
| 48 | const unsigned int input_width = get_dimension_size(input_descriptor, DataLayoutDimension::WIDTH); |
| 49 | const unsigned int input_height = get_dimension_size(input_descriptor, DataLayoutDimension::HEIGHT); |
| 50 | const unsigned int input_channel = get_dimension_size(input_descriptor, DataLayoutDimension::CHANNEL); |
| 51 | |
| 52 | ARM_COMPUTE_ERROR_ON(stride <= 0); |
| 53 | ARM_COMPUTE_ERROR_ON_MSG((input_width % stride != 0), "The width of the input tensor must be a multiple of stride"); |
| 54 | ARM_COMPUTE_ERROR_ON_MSG((input_height % stride != 0), "The height of the input tensor must be a multiple of stride"); |
| 55 | |
Georgios Pinitas | 9e4824c | 2019-04-12 13:15:58 +0100 | [diff] [blame] | 56 | const DataLayout data_layout = input_descriptor.layout; |
Gian Marco Iodice | 23e2479 | 2018-09-07 15:32:14 +0100 | [diff] [blame] | 57 | TensorDescriptor output_descriptor = input_descriptor; |
Georgios Pinitas | 9e4824c | 2019-04-12 13:15:58 +0100 | [diff] [blame] | 58 | output_descriptor.shape.set(get_dimension_idx(data_layout, DataLayoutDimension::WIDTH), input_width / stride); |
| 59 | output_descriptor.shape.set(get_dimension_idx(data_layout, DataLayoutDimension::HEIGHT), input_height / stride); |
| 60 | output_descriptor.shape.set(get_dimension_idx(data_layout, DataLayoutDimension::CHANNEL), input_channel * stride * stride); |
Gian Marco Iodice | 23e2479 | 2018-09-07 15:32:14 +0100 | [diff] [blame] | 61 | |
| 62 | return output_descriptor; |
| 63 | } |
| 64 | |
| 65 | bool ReorgLayerNode::forward_descriptors() |
| 66 | { |
| 67 | if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID)) |
| 68 | { |
| 69 | Tensor *dst = output(0); |
| 70 | ARM_COMPUTE_ERROR_ON(dst == nullptr); |
| 71 | dst->desc() = configure_output(0); |
| 72 | return true; |
| 73 | } |
| 74 | return false; |
| 75 | } |
| 76 | |
| 77 | TensorDescriptor ReorgLayerNode::configure_output(size_t idx) const |
| 78 | { |
| 79 | ARM_COMPUTE_UNUSED(idx); |
| 80 | ARM_COMPUTE_ERROR_ON(idx >= _outputs.size()); |
| 81 | |
| 82 | const Tensor *src = input(0); |
| 83 | ARM_COMPUTE_ERROR_ON(src == nullptr); |
| 84 | |
| 85 | return compute_output_descriptor(src->desc(), _stride); |
| 86 | } |
| 87 | |
| 88 | NodeType ReorgLayerNode::type() const |
| 89 | { |
| 90 | return NodeType::ReorgLayer; |
| 91 | } |
| 92 | |
| 93 | void ReorgLayerNode::accept(INodeVisitor &v) |
| 94 | { |
| 95 | v.visit(*this); |
| 96 | } |
| 97 | } // namespace graph |
| 98 | } // namespace arm_compute |