| /* |
| * Copyright (c) 2018 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef __ARM_COMPUTE_GRAPH2_LAYERS_H__ |
| #define __ARM_COMPUTE_GRAPH2_LAYERS_H__ |
| |
| #include "arm_compute/graph2/GraphBuilder.h" |
| #include "arm_compute/graph2/Types.h" |
| #include "arm_compute/graph2/frontend/ILayer.h" |
| #include "arm_compute/graph2/frontend/IStream.h" |
| #include "arm_compute/graph2/frontend/SubStream.h" |
| |
| #include "arm_compute/core/utils/misc/Utility.h" |
| |
| #include <memory> |
| #include <string> |
| |
| namespace arm_compute |
| { |
| namespace graph2 |
| { |
| namespace frontend |
| { |
| /** Input Layer */ |
| class InputLayer final : public ILayer |
| { |
| public: |
| InputLayer(TensorDescriptor desc, ITensorAccessorUPtr accessor) |
| : _desc(desc), _accessor(std::move(accessor)) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| NodeParams common_params = { "", s.hints().target_hint }; |
| return GraphBuilder::add_input_node(s.graph(), common_params, _desc, std::move(_accessor)); |
| } |
| |
| private: |
| TensorDescriptor _desc; |
| ITensorAccessorUPtr _accessor; |
| }; |
| |
| /** Output Layer */ |
| class OutputLayer final : public ILayer |
| { |
| public: |
| OutputLayer(ITensorAccessorUPtr accessor) |
| : _accessor(std::move(accessor)) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| NodeParams common_params = { "", s.hints().target_hint }; |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| return GraphBuilder::add_output_node(s.graph(), common_params, input, std::move(_accessor)); |
| } |
| |
| private: |
| ITensorAccessorUPtr _accessor; |
| }; |
| |
| /** Activation Layer */ |
| class ActivationLayer final : public ILayer |
| { |
| public: |
| ActivationLayer(ActivationLayerInfo act_info) |
| : _act_info(act_info) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| NodeParams common_params = { "", s.hints().target_hint }; |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| return GraphBuilder::add_activation_node(s.graph(), common_params, input, _act_info); |
| } |
| |
| private: |
| ActivationLayerInfo _act_info; |
| }; |
| |
| /** Batchnormalization Layer */ |
| class BatchNormalizationLayer final : public ILayer |
| { |
| public: |
| BatchNormalizationLayer(ITensorAccessorUPtr mean, |
| ITensorAccessorUPtr var, |
| ITensorAccessorUPtr gamma = nullptr, |
| ITensorAccessorUPtr beta = nullptr, |
| float epsilon = 0.001f) |
| : _mean(std::move(mean)), _var(std::move(var)), _gamma(std::move(gamma)), _beta(std::move(beta)), _epsilon(epsilon) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| ARM_COMPUTE_ERROR_ON(_mean == nullptr); |
| ARM_COMPUTE_ERROR_ON(_var == nullptr); |
| |
| NodeParams common_params = { "", s.hints().target_hint }; |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| return GraphBuilder::add_batch_normalization_node(s.graph(), common_params, input, _epsilon, |
| std::move(_mean), std::move(_var), std::move(_beta), std::move(_gamma)); |
| } |
| |
| private: |
| ITensorAccessorUPtr _mean; |
| ITensorAccessorUPtr _var; |
| ITensorAccessorUPtr _gamma; |
| ITensorAccessorUPtr _beta; |
| float _epsilon; |
| }; |
| |
| /** Convolution Layer */ |
| class ConvolutionLayer final : public ILayer |
| { |
| public: |
| ConvolutionLayer(unsigned int conv_width, |
| unsigned int conv_height, |
| unsigned int ofm, |
| ITensorAccessorUPtr weights, |
| ITensorAccessorUPtr bias, |
| PadStrideInfo conv_info, |
| unsigned int num_groups = 1) |
| : _conv_width(conv_width), |
| _conv_height(conv_height), |
| _ofm(ofm), |
| _conv_info(std::move(conv_info)), |
| _num_groups(num_groups), |
| _weights(std::move(weights)), |
| _bias(std::move(bias)) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| ARM_COMPUTE_UNUSED(_num_groups); |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| NodeParams common_params = { "", s.hints().target_hint }; |
| return GraphBuilder::add_convolution_node(s.graph(), common_params, input, |
| Size2D(_conv_width, _conv_height), _ofm, _conv_info, |
| s.hints().convolution_method_hint, |
| std::move(_weights), std::move(_bias)); |
| } |
| |
| private: |
| unsigned int _conv_width; |
| unsigned int _conv_height; |
| unsigned int _ofm; |
| const PadStrideInfo _conv_info; |
| unsigned int _num_groups; |
| ITensorAccessorUPtr _weights; |
| ITensorAccessorUPtr _bias; |
| }; |
| |
| /** Depthwise Convolution Layer */ |
| class DepthwiseConvolutionLayer final : public ILayer |
| { |
| public: |
| DepthwiseConvolutionLayer(unsigned int conv_width, |
| unsigned int conv_height, |
| ITensorAccessorUPtr weights, |
| ITensorAccessorUPtr bias, |
| PadStrideInfo conv_info) |
| : _conv_width(conv_width), |
| _conv_height(conv_height), |
| _conv_info(std::move(conv_info)), |
| _weights(std::move(weights)), |
| _bias(std::move(bias)) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| NodeParams common_params = { "", s.hints().target_hint }; |
| return GraphBuilder::add_depthwise_convolution_node(s.graph(), common_params, |
| input, Size2D(_conv_width, _conv_height), _conv_info, |
| s.hints().depthwise_convolution_method_hint, |
| std::move(_weights), std::move(_bias)); |
| } |
| |
| private: |
| unsigned int _conv_width; |
| unsigned int _conv_height; |
| const PadStrideInfo _conv_info; |
| ITensorAccessorUPtr _weights; |
| ITensorAccessorUPtr _bias; |
| }; |
| |
| /** Flatten Layer */ |
| class FlattenLayer final : public ILayer |
| { |
| public: |
| FlattenLayer() |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| NodeParams common_params = { "", s.hints().target_hint }; |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| return GraphBuilder::add_flatten_node(s.graph(), common_params, input); |
| } |
| }; |
| |
| /** Fully Connected Layer */ |
| class FullyConnectedLayer final : public ILayer |
| { |
| public: |
| FullyConnectedLayer(unsigned int num_outputs, |
| ITensorAccessorUPtr weights, |
| ITensorAccessorUPtr bias) |
| : _num_outputs(num_outputs), _weights(std::move(weights)), _bias(std::move(bias)) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| NodeParams common_params = { "", s.hints().target_hint }; |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| return GraphBuilder::add_fully_connected_layer(s.graph(), common_params, input, _num_outputs, |
| std::move(_weights), std::move(_bias)); |
| } |
| |
| private: |
| unsigned int _num_outputs; |
| ITensorAccessorUPtr _weights; |
| ITensorAccessorUPtr _bias; |
| }; |
| |
| /** Normalization Layer */ |
| class NormalizationLayer final : public ILayer |
| { |
| public: |
| NormalizationLayer(NormalizationLayerInfo norm_info) |
| : _norm_info(norm_info) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| NodeParams common_params = { "", s.hints().target_hint }; |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| return GraphBuilder::add_normalization_node(s.graph(), common_params, input, _norm_info); |
| } |
| |
| private: |
| NormalizationLayerInfo _norm_info; |
| }; |
| |
| /** Pooling Layer */ |
| class PoolingLayer final : public ILayer |
| { |
| public: |
| PoolingLayer(PoolingLayerInfo pool_info) |
| : _pool_info(pool_info) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| NodeParams common_params = { "", s.hints().target_hint }; |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| return GraphBuilder::add_pooling_node(s.graph(), common_params, input, _pool_info); |
| } |
| |
| private: |
| PoolingLayerInfo _pool_info; |
| }; |
| |
| /** Reshape Layer */ |
| class ReshapeLayer final : public ILayer |
| { |
| public: |
| ReshapeLayer(TensorShape shape) |
| : _shape(shape) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| NodeParams common_params = { "", s.hints().target_hint }; |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| return GraphBuilder::add_reshape_node(s.graph(), common_params, input, _shape); |
| } |
| |
| private: |
| TensorShape _shape; |
| }; |
| |
| /** Softmax Layer */ |
| class SoftmaxLayer final : public ILayer |
| { |
| public: |
| SoftmaxLayer(float beta = 1.0f) |
| : _beta(beta) |
| { |
| } |
| |
| NodeID create_layer(IStream &s) override |
| { |
| NodeParams common_params = { "", s.hints().target_hint }; |
| NodeIdxPair input = { s.tail_node(), 0 }; |
| return GraphBuilder::add_softmax_node(s.graph(), common_params, input, _beta); |
| } |
| |
| private: |
| float _beta; |
| }; |
| |
| /** Branch Layer */ |
| class BranchLayer final : public ILayer |
| { |
| public: |
| /** Default Constructor |
| * |
| * @param[in] merge_method Branch merging method |
| * @param[in] sub_stream1 First graph branch |
| * @param[in] sub_stream2 Second graph branch |
| * @param[in] rest_sub_streams Rest sub-graph branches |
| */ |
| template <typename... Ts> |
| BranchLayer(BranchMergeMethod merge_method, SubStream &&sub_stream1, SubStream &&sub_stream2, Ts &&... rest_sub_streams) |
| : _branch_merge_method(merge_method), _sub_streams() |
| { |
| _sub_streams.push_back(arm_compute::support::cpp14::make_unique<SubStream>(std::move(sub_stream1))); |
| _sub_streams.push_back(arm_compute::support::cpp14::make_unique<SubStream>(std::move(sub_stream2))); |
| |
| utility::for_each([&](SubStream && sub_stream) |
| { |
| _sub_streams.push_back(arm_compute::support::cpp14::make_unique<SubStream>(std::move(sub_stream))); |
| }, |
| std::move(rest_sub_streams)...); |
| } |
| /** Default Constructor |
| * |
| * @param[in] sub_stream Sub-stream |
| */ |
| template <typename... Ts> |
| BranchLayer(SubStream &&sub_stream) |
| : _branch_merge_method(BranchMergeMethod::DEPTH_CONCATENATE), _sub_streams() |
| { |
| _sub_streams.push_back(arm_compute::support::cpp14::make_unique<SubStream>(std::move(sub_stream))); |
| } |
| NodeID create_layer(IStream &s) override |
| { |
| NodeID nid = EmptyNodeID; |
| NodeParams common_params = { "", s.hints().target_hint }; |
| if(_sub_streams.size() == 1 && _sub_streams.at(0) != nullptr) |
| { |
| nid = _sub_streams[0]->tail_node(); |
| } |
| else if(_branch_merge_method == BranchMergeMethod::DEPTH_CONCATENATE) |
| { |
| // Collect tail nodes and perform DepthConcatenate |
| std::vector<NodeIdxPair> nodes; |
| for(auto &ss : _sub_streams) |
| { |
| if(ss && (ss->tail_node() != EmptyNodeID)) |
| { |
| const auto tail_node = s.graph().node(ss->tail_node()); |
| if(tail_node != nullptr && tail_node->type() != NodeType::Output) |
| { |
| nodes.push_back({ ss->tail_node(), 0 }); |
| } |
| } |
| } |
| nid = GraphBuilder::add_depth_concatenate_node(s.graph(), common_params, nodes); |
| } |
| else |
| { |
| ARM_COMPUTE_ERROR_ON(_sub_streams.size() != 2); |
| NodeIdxPair input0 = { _sub_streams[0]->tail_node(), 0 }; |
| NodeIdxPair input1 = { _sub_streams[1]->tail_node(), 0 }; |
| nid = GraphBuilder::add_elementwise_node(s.graph(), common_params, input0, input1, EltwiseOperation::ADD); |
| } |
| return nid; |
| } |
| |
| private: |
| BranchMergeMethod _branch_merge_method; |
| std::vector<std::unique_ptr<SubStream>> _sub_streams; |
| }; |
| } // namespace frontend |
| } // namespace graph2 |
| } // namespace arm_compute |
| #endif /* __ARM_COMPUTE_GRAPH2_LAYERS_H__ */ |