Anthony Barbier | 2a07e18 | 2017-08-04 18:20:27 +0100 | [diff] [blame] | 1 | /* |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018 ARM Limited. |
Anthony Barbier | 2a07e18 | 2017-08-04 18:20:27 +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 | */ |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 24 | #include "arm_compute/graph/nodes/FullyConnectedLayerNode.h" |
Anthony Barbier | 2a07e18 | 2017-08-04 18:20:27 +0100 | [diff] [blame] | 25 | |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 26 | #include "arm_compute/core/Utils.h" |
| 27 | #include "arm_compute/graph/Graph.h" |
| 28 | #include "arm_compute/graph/INodeVisitor.h" |
Anthony Barbier | 2a07e18 | 2017-08-04 18:20:27 +0100 | [diff] [blame] | 29 | |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 30 | namespace arm_compute |
Anthony Barbier | 2a07e18 | 2017-08-04 18:20:27 +0100 | [diff] [blame] | 31 | { |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 32 | namespace graph |
| 33 | { |
Georgios Pinitas | 7d66a8e | 2018-07-17 12:28:42 +0100 | [diff] [blame^] | 34 | FullyConnectedLayerNode::FullyConnectedLayerNode(unsigned int num_outputs, FullyConnectedLayerInfo fc_info) |
| 35 | : _num_outputs(num_outputs), _info(fc_info) |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 36 | { |
| 37 | _input_edges.resize(3, EmptyEdgeID); |
| 38 | _outputs.resize(1, NullTensorID); |
| 39 | } |
| 40 | |
Georgios Pinitas | cac13b1 | 2018-04-27 19:07:19 +0100 | [diff] [blame] | 41 | TensorDescriptor FullyConnectedLayerNode::compute_weights_descriptor(const TensorDescriptor &input_descriptor, |
| 42 | unsigned int num_outputs) |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 43 | { |
| 44 | unsigned int num_weights = 1; |
Georgios Pinitas | cac13b1 | 2018-04-27 19:07:19 +0100 | [diff] [blame] | 45 | unsigned int num_dimensions = input_descriptor.shape.num_dimensions(); |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 46 | // Ignore the batch dimension if there is one: |
| 47 | if(num_dimensions == 2 || num_dimensions == 4) |
| 48 | { |
| 49 | num_dimensions--; |
| 50 | } |
| 51 | for(unsigned int i = 0; i < num_dimensions; i++) |
| 52 | { |
Georgios Pinitas | cac13b1 | 2018-04-27 19:07:19 +0100 | [diff] [blame] | 53 | num_weights *= input_descriptor.shape[i]; |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 54 | } |
Georgios Pinitas | cac13b1 | 2018-04-27 19:07:19 +0100 | [diff] [blame] | 55 | |
| 56 | TensorDescriptor weights_descriptor = input_descriptor; |
| 57 | weights_descriptor.shape = TensorShape(num_weights, num_outputs); |
| 58 | |
| 59 | return weights_descriptor; |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 60 | } |
| 61 | |
Georgios Pinitas | cac13b1 | 2018-04-27 19:07:19 +0100 | [diff] [blame] | 62 | TensorDescriptor FullyConnectedLayerNode::compute_output_descriptor(const TensorDescriptor &input_descriptor, |
| 63 | unsigned int num_outputs) |
Georgios Pinitas | 6f669f0 | 2017-09-26 12:32:57 +0100 | [diff] [blame] | 64 | { |
| 65 | // Note: Only 1D batch space is supported at the moment |
Georgios Pinitas | cac13b1 | 2018-04-27 19:07:19 +0100 | [diff] [blame] | 66 | unsigned int batches = input_descriptor.shape[1]; |
| 67 | if(input_descriptor.shape.num_dimensions() > 2) |
Georgios Pinitas | 6f669f0 | 2017-09-26 12:32:57 +0100 | [diff] [blame] | 68 | { |
Georgios Pinitas | cac13b1 | 2018-04-27 19:07:19 +0100 | [diff] [blame] | 69 | batches = input_descriptor.shape[3]; |
Georgios Pinitas | 6f669f0 | 2017-09-26 12:32:57 +0100 | [diff] [blame] | 70 | } |
Georgios Pinitas | cac13b1 | 2018-04-27 19:07:19 +0100 | [diff] [blame] | 71 | |
| 72 | TensorDescriptor output_descriptor = input_descriptor; |
| 73 | output_descriptor.shape = TensorShape(num_outputs, batches); |
| 74 | |
| 75 | return output_descriptor; |
Georgios Pinitas | 6f669f0 | 2017-09-26 12:32:57 +0100 | [diff] [blame] | 76 | } |
Anthony Barbier | 2a07e18 | 2017-08-04 18:20:27 +0100 | [diff] [blame] | 77 | |
Georgios Pinitas | 7d66a8e | 2018-07-17 12:28:42 +0100 | [diff] [blame^] | 78 | FullyConnectedLayerInfo FullyConnectedLayerNode::info() const |
| 79 | { |
| 80 | return _info; |
| 81 | } |
| 82 | |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 83 | bool FullyConnectedLayerNode::forward_descriptors() |
Anthony Barbier | 2a07e18 | 2017-08-04 18:20:27 +0100 | [diff] [blame] | 84 | { |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 85 | if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID)) |
Anthony Barbier | 2a07e18 | 2017-08-04 18:20:27 +0100 | [diff] [blame] | 86 | { |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 87 | Tensor *dst = output(0); |
| 88 | ARM_COMPUTE_ERROR_ON(dst == nullptr); |
| 89 | dst->desc() = configure_output(0); |
| 90 | return true; |
Anthony Barbier | 2a07e18 | 2017-08-04 18:20:27 +0100 | [diff] [blame] | 91 | } |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 92 | return false; |
Anthony Barbier | 2a07e18 | 2017-08-04 18:20:27 +0100 | [diff] [blame] | 93 | } |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 94 | |
| 95 | TensorDescriptor FullyConnectedLayerNode::configure_output(size_t idx) const |
| 96 | { |
| 97 | ARM_COMPUTE_UNUSED(idx); |
| 98 | const Tensor *src = input(0); |
| 99 | ARM_COMPUTE_ERROR_ON(src == nullptr); |
| 100 | |
Georgios Pinitas | cac13b1 | 2018-04-27 19:07:19 +0100 | [diff] [blame] | 101 | return compute_output_descriptor(src->desc(), _num_outputs); |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | NodeType FullyConnectedLayerNode::type() const |
| 105 | { |
| 106 | return NodeType::FullyConnectedLayer; |
| 107 | } |
| 108 | |
| 109 | void FullyConnectedLayerNode::accept(INodeVisitor &v) |
| 110 | { |
| 111 | v.visit(*this); |
| 112 | } |
| 113 | } // namespace graph |
| 114 | } // namespace arm_compute |