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 #ifndef ARM_COMPUTE_GRAPH_FULLY_CONNECTED_LAYER_NODE_H 25 #define ARM_COMPUTE_GRAPH_FULLY_CONNECTED_LAYER_NODE_H 26 27 #include "arm_compute/graph/INode.h" 28 29 namespace arm_compute 30 { 31 namespace graph 32 { 33 /** Fully Connected Layer node */ 34 class FullyConnectedLayerNode final : public INode 35 { 36 public: 37 /** Constructor 38 * 39 * @param[in] num_outputs Number of neurons in the layer 40 * @param[in] out_quant_info (Optional) Output quantization info 41 * @param[in] fc_info (Optional) Additional information about the fully connected layer 42 */ 43 FullyConnectedLayerNode(unsigned int num_outputs, 44 QuantizationInfo out_quant_info = QuantizationInfo(), 45 FullyConnectedLayerInfo fc_info = FullyConnectedLayerInfo()); 46 /** Sets fused activation 47 * 48 * @param[in] fused_activation Fused activation to set 49 */ 50 void set_fused_activation(ActivationLayerInfo fused_activation); 51 /** Computes weights descriptor 52 * 53 * @warning Works for inputs with 1D batch space 54 * 55 * @param[in] input_descriptor Input descriptor 56 * @param[in] num_outputs Number of output neurons 57 * @param[in] fc_info (Optional) Additional information about the fully connected layer 58 * @param[in] weights_quant_info (Optional) Weights quantization info 59 * 60 * @return Weights descriptor 61 */ 62 static TensorDescriptor compute_weights_descriptor(const TensorDescriptor &input_descriptor, 63 unsigned int num_outputs, 64 FullyConnectedLayerInfo fc_info = FullyConnectedLayerInfo(), 65 const QuantizationInfo &weights_quant_info = QuantizationInfo()); 66 /** Computes fully connected layer output descriptor 67 * 68 * @warning Works for inputs with 1D batch space 69 * 70 * @param[in] input_descriptor Input descriptor 71 * @param[in] num_outputs Number of output neurons 72 * @param[in] out_quant_info (Optional) Weights quantization info 73 * 74 * @return Output descriptor 75 */ 76 static TensorDescriptor compute_output_descriptor(const TensorDescriptor &input_descriptor, 77 unsigned int num_outputs, 78 const QuantizationInfo &out_quant_info = QuantizationInfo()); 79 /** Fully connected layer addition information 80 * 81 * @return Additional information about the fully connected layer 82 */ 83 FullyConnectedLayerInfo info() const; 84 85 // Inherited overridden methods: 86 NodeType type() const override; 87 bool forward_descriptors() override; 88 TensorDescriptor configure_output(size_t idx) const override; 89 void accept(INodeVisitor &v) override; 90 91 static constexpr NodeType node_type = NodeType::FullyConnectedLayer; 92 93 private: 94 unsigned int _num_outputs; 95 QuantizationInfo _out_quant_info; 96 FullyConnectedLayerInfo _info; 97 }; 98 } // namespace graph 99 } // namespace arm_compute 100 #endif /* ARM_COMPUTE_GRAPH_FULLY_CONNECTED_LAYER_NODE_H */ 101