| // |
| // Copyright © 2017 Arm Ltd. All rights reserved. |
| // SPDX-License-Identifier: MIT |
| // |
| |
| #include "GatherLayer.hpp" |
| #include "LayerCloneBase.hpp" |
| |
| #include <armnn/TypesUtils.hpp> |
| #include <backendsCommon/WorkloadData.hpp> |
| #include <backendsCommon/WorkloadFactory.hpp> |
| |
| namespace armnn |
| { |
| |
| GatherLayer::GatherLayer(const char* name) |
| : Layer(2, 1, LayerType::Gather, name) |
| { |
| } |
| |
| std::unique_ptr<IWorkload> GatherLayer::CreateWorkload(const armnn::Graph& graph, |
| const armnn::IWorkloadFactory& factory) const |
| { |
| GatherQueueDescriptor descriptor; |
| return factory.CreateGather(descriptor, PrepInfoAndDesc(descriptor, graph)); |
| } |
| |
| GatherLayer* GatherLayer::Clone(Graph& graph) const |
| { |
| return CloneBase<GatherLayer>(graph, GetName()); |
| } |
| |
| void GatherLayer::ValidateTensorShapesFromInputs() |
| { |
| VerifyLayerConnections(2, CHECK_LOCATION()); |
| |
| const TensorInfo& params = GetInputSlot(0).GetConnection()->GetTensorInfo(); |
| const TensorInfo& indices = GetInputSlot(1).GetConnection()->GetTensorInfo(); |
| |
| const unsigned int paramsDim = params.GetNumDimensions(); |
| const unsigned int indicesDim = indices.GetNumDimensions(); |
| const unsigned int outputDim = paramsDim - 1 + indicesDim; |
| |
| std::vector<unsigned int> dimSizes; |
| |
| for (unsigned int i = 0; i < indicesDim; ++i) |
| { |
| dimSizes.push_back(indices.GetShape()[i]); |
| } |
| for (unsigned int i = 1; i < paramsDim; ++i) |
| { |
| dimSizes.push_back(params.GetShape()[i]); |
| } |
| |
| const TensorShape& inferredShape = TensorShape(outputDim, dimSizes.data()); |
| |
| ConditionalThrowIfNotEqual<LayerValidationException>( |
| "GatherLayer: TensorShape set on OutputSlot[0] does not match the inferred shape.", |
| GetOutputSlot(0).GetTensorInfo().GetShape(), |
| inferredShape); |
| } |
| |
| void GatherLayer::Accept(ILayerVisitor& visitor) const |
| { |
| visitor.VisitGatherLayer(this, GetName()); |
| } |
| |
| } // namespace armnn |