1 /* 2 * Copyright (c) 2018-2019 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_CONCATENATE_LAYER_NODE_H 25 #define ARM_COMPUTE_GRAPH_CONCATENATE_LAYER_NODE_H 26 27 #include "arm_compute/graph/INode.h" 28 29 namespace arm_compute 30 { 31 namespace graph 32 { 33 /** Concatenation Layer node */ 34 class ConcatenateLayerNode final : public INode 35 { 36 public: 37 /** Constructor 38 * 39 * @param[in] total_nodes Number of nodes that will get concatenated 40 * @param[in] concat_descriptor Concatenate Layer Descriptor 41 */ 42 ConcatenateLayerNode(unsigned int total_nodes, descriptors::ConcatLayerDescriptor concat_descriptor); 43 /** Computes concatenations output descriptor 44 * 45 * @param[in] input_descriptors Input descriptors 46 * @param[in] axis Concatenation axis 47 * 48 * @return Expected output descriptor 49 */ 50 static TensorDescriptor compute_output_descriptor(const std::vector<TensorDescriptor> &input_descriptors, DataLayoutDimension axis); 51 /** Disables or not the depth concatenate node 52 * 53 * @warning This is used when concatenate is performed using sub-tensors, where this node is used as a placeholder. 54 * 55 * @param[in] is_enabled If true a backend function is created to perform the concatenation (involves copying), 56 * while if false, no function is created and we assume that sub-tensors are properly set to simulate 57 * a zero copy operation. 58 */ 59 void set_enabled(bool is_enabled); 60 /** Enabled parameter accessor 61 * 62 * @return True if a backend function is to be created else false 63 */ 64 bool is_enabled() const; 65 /** Concatenation axis parameter accessor 66 * 67 * @return Concatenation axis 68 */ 69 DataLayoutDimension concatenation_axis() const; 70 71 /** Concatenation output quantization info accessor 72 * 73 * @return Output quantization info 74 */ 75 QuantizationInfo output_quantization_info() const; 76 77 // Inherited overridden methods: 78 NodeType type() const override; 79 bool forward_descriptors() override; 80 TensorDescriptor configure_output(size_t idx) const override; 81 void accept(INodeVisitor &v) override; 82 83 private: 84 unsigned int _total_nodes; 85 descriptors::ConcatLayerDescriptor _concat_descriptor; 86 bool _is_enabled; 87 }; 88 } // namespace graph 89 } // namespace arm_compute 90 #endif /* ARM_COMPUTE_GRAPH_CONCATENATE_LAYER_NODE_H */ 91