From ec6997563a7cccf58431267cca39435ecd57cd32 Mon Sep 17 00:00:00 2001 From: Michele Di Giorgio Date: Fri, 22 Mar 2019 15:25:32 +0000 Subject: COMPMID-2076: Add StackLayer to the graph API Change-Id: Ifae23659c2471d9c052bc8adf066c5228d6e8b23 Signed-off-by: Michele Di Giorgio Reviewed-on: https://review.mlplatform.org/c/893 Tested-by: Arm Jenkins Reviewed-by: Georgios Pinitas Comments-Addressed: Arm Jenkins --- arm_compute/graph/GraphBuilder.h | 14 ++++- arm_compute/graph/INodeVisitor.h | 9 +++ arm_compute/graph/TypePrinter.h | 3 + arm_compute/graph/Types.h | 1 + arm_compute/graph/backends/FunctionHelpers.h | 43 ++++++++++++++ arm_compute/graph/frontend/Layers.h | 86 ++++++++++++++++++++++++++++ arm_compute/graph/nodes/Nodes.h | 1 + arm_compute/graph/nodes/NodesFwd.h | 1 + arm_compute/graph/nodes/StackLayerNode.h | 69 ++++++++++++++++++++++ 9 files changed, 225 insertions(+), 2 deletions(-) create mode 100644 arm_compute/graph/nodes/StackLayerNode.h (limited to 'arm_compute') diff --git a/arm_compute/graph/GraphBuilder.h b/arm_compute/graph/GraphBuilder.h index 590e4d9b44..bcf80f9c02 100644 --- a/arm_compute/graph/GraphBuilder.h +++ b/arm_compute/graph/GraphBuilder.h @@ -168,12 +168,12 @@ public: * * @param[in] g Graph to add the node to * @param[in] params Common node parameters - * @param[in] inputs Inputs to the depth concatenate layer node as a NodeID-Index pair + * @param[in] inputs Inputs to the concatenate layer node as a NodeID-Index pair * @param[in] concat_descriptor Concatenation layer descriptor * * @return Node ID of the created node, EmptyNodeID in case of error */ - static NodeID add_concatenate_node(Graph &g, NodeParams params, std::vector inputs, descriptors::ConcatLayerDescriptor concat_descriptor); + static NodeID add_concatenate_node(Graph &g, NodeParams params, const std::vector &inputs, descriptors::ConcatLayerDescriptor concat_descriptor); /** Adds a depth-wise convolution layer node to the graph * * @param[in] g Graph to add the node to @@ -443,6 +443,16 @@ public: * @return Node ID of the created node, EmptyNodeID in case of error */ static NodeID add_split_node(Graph &g, NodeParams params, NodeIdxPair input, unsigned int num_splits, unsigned int axis = 0); + /** Adds a stack layer node to the graph + * + * @param[in] g Graph to add the node to + * @param[in] params Common node parameters + * @param[in] inputs Inputs to the reorg layer node as a NodeID-Index pair + * @param[in] axis Axis along which the input tensors have to be packed + * + * @return Node ID of the created node, EmptyNodeID in case of error + */ + static NodeID add_stack_node(Graph &g, NodeParams params, const std::vector &inputs, int axis); /** Adds an upsample layer to the graph * * @param[in] g Graph to add the node to diff --git a/arm_compute/graph/INodeVisitor.h b/arm_compute/graph/INodeVisitor.h index 842ca4bfb3..291fe7c3cc 100644 --- a/arm_compute/graph/INodeVisitor.h +++ b/arm_compute/graph/INodeVisitor.h @@ -141,6 +141,11 @@ public: * @param[in] n Node to visit. */ virtual void visit(SplitLayerNode &n) = 0; + /** Visit StackLayerNode. + * + * @param[in] n Node to visit. + */ + virtual void visit(StackLayerNode &n) = 0; }; /** Default visitor implementation @@ -240,6 +245,10 @@ public: { default_visit(); } + virtual void visit(StackLayerNode &n) override + { + default_visit(); + } #endif /* DOXYGEN_SKIP_THIS */ /** Function to be overloaded by the client and implement default behavior for the diff --git a/arm_compute/graph/TypePrinter.h b/arm_compute/graph/TypePrinter.h index b1cfbcf658..29a2981463 100644 --- a/arm_compute/graph/TypePrinter.h +++ b/arm_compute/graph/TypePrinter.h @@ -143,6 +143,9 @@ inline ::std::ostream &operator<<(::std::ostream &os, const NodeType &node_type) case NodeType::SplitLayer: os << "SplitLayer"; break; + case NodeType::StackLayer: + os << "StackLayer"; + break; case NodeType::UpsampleLayer: os << "UpsampleLayer"; break; diff --git a/arm_compute/graph/Types.h b/arm_compute/graph/Types.h index 2905dfcbf6..582e6f6434 100644 --- a/arm_compute/graph/Types.h +++ b/arm_compute/graph/Types.h @@ -153,6 +153,7 @@ enum class NodeType SoftmaxLayer, SliceLayer, SplitLayer, + StackLayer, UpsampleLayer, YOLOLayer, diff --git a/arm_compute/graph/backends/FunctionHelpers.h b/arm_compute/graph/backends/FunctionHelpers.h index 4a423d2490..e05f4bc8cf 100644 --- a/arm_compute/graph/backends/FunctionHelpers.h +++ b/arm_compute/graph/backends/FunctionHelpers.h @@ -1276,6 +1276,49 @@ std::unique_ptr create_softmax_layer(SoftmaxLayerNode &node, GraphCon return std::move(func); } + +/** Create a backend layer stack function + * + * @tparam StackLayerFunction Backend stack function + * @tparam TargetInfo Target-specific information + * + * @param[in] node Node to create the backend function for + * + * @return Backend stack layer function + */ +template +std::unique_ptr create_stack_layer(StackLayerNode &node) +{ + ARM_COMPUTE_LOG_GRAPH_VERBOSE("Creating Stack node with ID : " << node.id() << " and Name: " << node.name() << std::endl); + ARM_COMPUTE_ERROR_ON(node.num_outputs() != 1); + + // Extract IO and info + std::vector inputs; + for(unsigned int i = 0; i < node.num_inputs(); ++i) + { + inputs.push_back(get_backing_tensor(node.input(i))); + } + typename TargetInfo::TensorType *output = get_backing_tensor(node.output(0)); + const int axis = node.axis(); + + // Create and configure function + auto func = support::cpp14::make_unique(); + func->configure(inputs, axis, output); + + // Log info + ARM_COMPUTE_LOG_GRAPH_INFO("Instantiated " + << node.name() + << " Type: " << node.type() + << " Target: " << TargetInfo::TargetType + << " Data Type: " << output->info()->data_type() + << " Inputs shape: " << inputs[0]->info()->tensor_shape() + << " Output shape: " << output->info()->tensor_shape() + << " Num Inputs: " << inputs.size() + << " Axis: " << axis + << std::endl); + + return std::move(func); +} /** Create a backend Upsample layer function * * @tparam UpsampleLayerFunction Backend Upsample function diff --git a/arm_compute/graph/frontend/Layers.h b/arm_compute/graph/frontend/Layers.h index 67dc06c878..4e6f0eee2d 100644 --- a/arm_compute/graph/frontend/Layers.h +++ b/arm_compute/graph/frontend/Layers.h @@ -1038,6 +1038,92 @@ private: float _beta; }; +/** Stack Layer */ +class StackLayer final : public ILayer +{ +public: + /** Construct a concatenation layer + * + * @param[in] sub_stream1 First graph branch + * @param[in] sub_stream2 Second graph branch + * @param[in] rest_sub_streams Rest sub-graph branches + */ + template + StackLayer(SubStream &&sub_stream1, SubStream &&sub_stream2, Ts &&... rest_sub_streams) + : _sub_streams(), _axis(0) + { + _sub_streams.push_back(arm_compute::support::cpp14::make_unique(std::move(sub_stream1))); + _sub_streams.push_back(arm_compute::support::cpp14::make_unique(std::move(sub_stream2))); + + utility::for_each([&](SubStream && sub_stream) + { + _sub_streams.push_back(arm_compute::support::cpp14::make_unique(std::move(sub_stream))); + }, + std::move(rest_sub_streams)...); + } + /** Construct a concatenation layer + * + * @param[in] axis Stack layer axis along which to stack the inputs + * @param[in] sub_stream1 First graph branch + * @param[in] sub_stream2 Second graph branch + * @param[in] rest_sub_streams Rest sub-graph branches + */ + template + StackLayer(int axis, SubStream &&sub_stream1, SubStream &&sub_stream2, Ts &&... rest_sub_streams) + : _sub_streams(), _axis(axis) + { + _sub_streams.push_back(arm_compute::support::cpp14::make_unique(std::move(sub_stream1))); + _sub_streams.push_back(arm_compute::support::cpp14::make_unique(std::move(sub_stream2))); + + utility::for_each([&](SubStream && sub_stream) + { + _sub_streams.push_back(arm_compute::support::cpp14::make_unique(std::move(sub_stream))); + }, + std::move(rest_sub_streams)...); + } + /** Construct a concat layer + * + * @param[in] sub_stream Sub-stream + */ + template + StackLayer(SubStream &&sub_stream) + : _sub_streams(), _axis(0) + { + _sub_streams.push_back(arm_compute::support::cpp14::make_unique(std::move(sub_stream))); + } + NodeID create_layer(IStream &s) override + { + NodeID nid = EmptyNodeID; + NodeParams common_params = { name(), s.hints().target_hint }; + if(_sub_streams.size() == 1 && _sub_streams.at(0) != nullptr) + { + nid = _sub_streams[0]->tail_node(); + } + else + { + // Collect tail nodes and stack + std::vector 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_stack_node(s.graph(), common_params, nodes, _axis); + } + return nid; + } + +private: + std::vector> _sub_streams; + int _axis; +}; + /** Upsample Layer */ class UpsampleLayer final : public ILayer { diff --git a/arm_compute/graph/nodes/Nodes.h b/arm_compute/graph/nodes/Nodes.h index e23b2b9897..4eb6a0f886 100644 --- a/arm_compute/graph/nodes/Nodes.h +++ b/arm_compute/graph/nodes/Nodes.h @@ -55,6 +55,7 @@ #include "arm_compute/graph/nodes/SliceLayerNode.h" #include "arm_compute/graph/nodes/SoftmaxLayerNode.h" #include "arm_compute/graph/nodes/SplitLayerNode.h" +#include "arm_compute/graph/nodes/StackLayerNode.h" #include "arm_compute/graph/nodes/UpsampleLayerNode.h" #include "arm_compute/graph/nodes/YOLOLayerNode.h" diff --git a/arm_compute/graph/nodes/NodesFwd.h b/arm_compute/graph/nodes/NodesFwd.h index 80576d4608..06c2e1f1ae 100644 --- a/arm_compute/graph/nodes/NodesFwd.h +++ b/arm_compute/graph/nodes/NodesFwd.h @@ -61,6 +61,7 @@ class ROIAlignLayerNode; class SoftmaxLayerNode; class SliceLayerNode; class SplitLayerNode; +class StackLayerNode; class UpsampleLayerNode; class YOLOLayerNode; } // namespace graph diff --git a/arm_compute/graph/nodes/StackLayerNode.h b/arm_compute/graph/nodes/StackLayerNode.h new file mode 100644 index 0000000000..6c83fe22c2 --- /dev/null +++ b/arm_compute/graph/nodes/StackLayerNode.h @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2019 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_GRAPH_STACK_LAYER_NODE_H__ +#define __ARM_COMPUTE_GRAPH_STACK_LAYER_NODE_H__ + +#include "arm_compute/graph/INode.h" + +namespace arm_compute +{ +namespace graph +{ +/** Stack Layer node */ +class StackLayerNode final : public INode +{ +public: + /** Constructor + * + * @param[in] total_nodes Number of nodes that will get stacked + * @param[in] axis Axis alogn which to stack the input tensors + */ + StackLayerNode(unsigned int total_nodes, int axis); + /** Computes stack output descriptor + * + * @param[in] input_descriptors Input descriptors + * @param[in] axis Axis along which to stack the input tensors + * + * @return Expected output descriptor + */ + static TensorDescriptor compute_output_descriptor(const std::vector &input_descriptors, int axis); + /** Stack axis parameter accessor + * + * @return Stack axis + */ + int axis() const; + + // Inherited overridden methods: + NodeType type() const override; + bool forward_descriptors() override; + TensorDescriptor configure_output(size_t idx) const override; + void accept(INodeVisitor &v) override; + +private: + unsigned int _total_nodes; + int _axis; +}; +} // namespace graph +} // namespace arm_compute +#endif /* __ARM_COMPUTE_GRAPH_STACK_LAYER_NODE_H__ */ -- cgit v1.2.1