Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 1 | // |
Finn Williams | 87d0bda | 2020-07-03 10:12:03 +0100 | [diff] [blame] | 2 | // Copyright © 2017 Arm Ltd and Contributors. All rights reserved. |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | #include "StackLayer.hpp" |
| 6 | #include "LayerCloneBase.hpp" |
| 7 | |
| 8 | #include <armnn/TypesUtils.hpp> |
Colm Donelan | 0c47974 | 2021-12-10 12:43:54 +0000 | [diff] [blame] | 9 | #include <armnn/backends/WorkloadData.hpp> |
| 10 | #include <armnn/backends/WorkloadFactory.hpp> |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 11 | |
| 12 | #include <queue> |
| 13 | |
| 14 | namespace armnn |
| 15 | { |
| 16 | |
| 17 | StackLayer::StackLayer(const StackDescriptor& param, const char* name) |
| 18 | : LayerWithParameters(param.m_NumInputs, 1, LayerType::Stack, param, name) |
| 19 | { |
| 20 | } |
| 21 | |
Derek Lamberti | 94a88d2 | 2019-12-10 21:12:59 +0000 | [diff] [blame] | 22 | std::unique_ptr<IWorkload> StackLayer::CreateWorkload(const IWorkloadFactory& factory) const |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 23 | { |
| 24 | StackQueueDescriptor descriptor; |
Keith Davis | df04d23 | 2020-10-23 17:20:05 +0100 | [diff] [blame] | 25 | SetAdditionalInfo(descriptor); |
| 26 | |
Teresa Charlin | 611c7fb | 2022-01-07 09:47:29 +0000 | [diff] [blame^] | 27 | return factory.CreateWorkload(LayerType::Stack, descriptor, PrepInfoAndDesc(descriptor)); |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 28 | } |
| 29 | |
| 30 | StackLayer* StackLayer::Clone(Graph& graph) const |
| 31 | { |
| 32 | return CloneBase<StackLayer>(graph, m_Param, GetName()); |
| 33 | } |
| 34 | |
| 35 | std::vector<TensorShape> StackLayer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const |
| 36 | { |
Jan Eilers | 8eb2560 | 2020-03-09 12:13:48 +0000 | [diff] [blame] | 37 | IgnoreUnused(inputShapes); |
Derek Lamberti | 94a88d2 | 2019-12-10 21:12:59 +0000 | [diff] [blame] | 38 | |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 39 | const TensorShape& inputShape = m_Param.m_InputShape; |
| 40 | const unsigned int inputNumDimensions = inputShape.GetNumDimensions(); |
| 41 | const unsigned int axis = m_Param.m_Axis; |
| 42 | |
Narumol Prangnawarat | ac2770a | 2020-04-01 16:51:23 +0100 | [diff] [blame] | 43 | ARMNN_ASSERT(axis <= inputNumDimensions); |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 44 | |
Rob Hughes | 91e1d89 | 2019-08-23 10:11:58 +0100 | [diff] [blame] | 45 | std::vector<unsigned int> dimensionSizes(inputNumDimensions + 1, 0); |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 46 | for (unsigned int i = 0; i < axis; ++i) |
| 47 | { |
| 48 | dimensionSizes[i] = inputShape[i]; |
| 49 | } |
| 50 | |
| 51 | dimensionSizes[axis] = m_Param.m_NumInputs; |
| 52 | |
| 53 | for (unsigned int i = axis + 1; i < inputNumDimensions + 1; ++i) |
| 54 | { |
| 55 | dimensionSizes[i] = inputShape[i-1]; |
| 56 | } |
| 57 | |
Rob Hughes | 91e1d89 | 2019-08-23 10:11:58 +0100 | [diff] [blame] | 58 | TensorShape targetShape = TensorShape(inputNumDimensions + 1, dimensionSizes.data()); |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 59 | |
| 60 | return std::vector<TensorShape>({ targetShape }); |
| 61 | } |
| 62 | |
Finn Williams | f24effa | 2020-07-03 10:12:03 +0100 | [diff] [blame] | 63 | void StackLayer::ValidateTensorShapesFromInputs() |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 64 | { |
| 65 | // Validates Stack layer. |
| 66 | ConditionalThrowIfNotEqual<LayerValidationException>( |
| 67 | "StackLayer: Num Input Slots must match Num Inputs.", |
| 68 | m_Param.m_NumInputs, |
| 69 | GetNumInputSlots()); |
| 70 | |
| 71 | VerifyLayerConnections(m_Param.m_NumInputs, CHECK_LOCATION()); |
| 72 | |
Finn Williams | 87d0bda | 2020-07-03 10:12:03 +0100 | [diff] [blame] | 73 | const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape(); |
| 74 | |
Finn Williams | f24effa | 2020-07-03 10:12:03 +0100 | [diff] [blame] | 75 | VerifyShapeInferenceType(outputShape, m_ShapeInferenceMethod); |
Finn Williams | 87d0bda | 2020-07-03 10:12:03 +0100 | [diff] [blame] | 76 | |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 77 | // Constructs and validates input shapes |
| 78 | std::vector<TensorShape> inputShapes; |
| 79 | for (unsigned int i = 0; i < GetNumInputSlots(); ++i) |
| 80 | { |
| 81 | TensorShape inputShape = GetInputSlot(i).GetConnection()->GetTensorInfo().GetShape(); |
| 82 | if (inputShape != m_Param.m_InputShape) |
| 83 | { |
Matthew Jackson | 82b15ed | 2019-07-25 16:14:30 +0100 | [diff] [blame] | 84 | throw LayerValidationException("StackLayer: TensorShape set on InputSlot[" + |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 85 | std::to_string(i) + |
| 86 | "] does not match defined input shape"); |
| 87 | } |
| 88 | inputShapes.push_back(inputShape); |
| 89 | } |
| 90 | |
| 91 | auto inferredShapes = InferOutputShapes(inputShapes); |
| 92 | |
Narumol Prangnawarat | ac2770a | 2020-04-01 16:51:23 +0100 | [diff] [blame] | 93 | ARMNN_ASSERT(inferredShapes.size() == 1); |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 94 | |
Finn Williams | f24effa | 2020-07-03 10:12:03 +0100 | [diff] [blame] | 95 | ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, "StackLayer"); |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 96 | } |
| 97 | |
Jan Eilers | 1b2654f | 2021-09-24 15:45:46 +0100 | [diff] [blame] | 98 | ARMNN_NO_DEPRECATE_WARN_BEGIN |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 99 | void StackLayer::Accept(ILayerVisitor& visitor) const |
| 100 | { |
| 101 | visitor.VisitStackLayer(this, GetParameters(), GetName()); |
| 102 | } |
Jan Eilers | 1b2654f | 2021-09-24 15:45:46 +0100 | [diff] [blame] | 103 | ARMNN_NO_DEPRECATE_WARN_END |
Matthew Jackson | 2b8c1da | 2019-07-04 14:59:16 +0100 | [diff] [blame] | 104 | |
| 105 | } // namespace armnn armnn |