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-rw-r--r--src/armnn/BackendHelper.cpp19
-rw-r--r--src/armnn/LayersFwd.hpp4
-rw-r--r--src/armnn/Network.cpp13
-rw-r--r--src/armnn/Network.hpp5
-rw-r--r--src/armnn/layers/ScatterNdLayer.cpp94
-rw-r--r--src/armnn/layers/ScatterNdLayer.hpp44
6 files changed, 175 insertions, 4 deletions
diff --git a/src/armnn/BackendHelper.cpp b/src/armnn/BackendHelper.cpp
index 56938d021e..37ad5da2fe 100644
--- a/src/armnn/BackendHelper.cpp
+++ b/src/armnn/BackendHelper.cpp
@@ -1,5 +1,5 @@
//
-// Copyright © 2017,2022-2023 Arm Ltd and Contributors. All rights reserved.
+// Copyright © 2017,2022-2024 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
@@ -1276,6 +1276,23 @@ bool LayerSupportHandle::IsReverseV2Supported(const armnn::TensorInfo &input0,
reasonIfUnsupported);
}
+bool LayerSupportHandle::IsScatterNdSupported(const TensorInfo& input,
+ const TensorInfo& indices,
+ const TensorInfo& updates,
+ const TensorInfo& output,
+ const armnn::ScatterNdDescriptor &descriptor,
+ Optional<std::string&> reasonIfUnsupported)
+{
+ TensorInfos infos{input, indices, updates, output};
+
+ return m_LayerSupport->IsLayerSupported(LayerType::ScatterNd,
+ infos,
+ descriptor,
+ EmptyOptional(),
+ EmptyOptional(),
+ reasonIfUnsupported);
+}
+
bool LayerSupportHandle::IsShapeSupported(const TensorInfo& input,
const TensorInfo& output,
Optional<std::string&> reasonIfUnsupported)
diff --git a/src/armnn/LayersFwd.hpp b/src/armnn/LayersFwd.hpp
index 325bfc3875..6ba409de50 100644
--- a/src/armnn/LayersFwd.hpp
+++ b/src/armnn/LayersFwd.hpp
@@ -1,5 +1,5 @@
//
-// Copyright © 2017-2023 Arm Ltd and Contributors. All rights reserved.
+// Copyright © 2017-2024 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
@@ -67,6 +67,7 @@
#include "layers/ReshapeLayer.hpp"
#include "layers/ResizeLayer.hpp"
#include "layers/ReverseV2Layer.hpp"
+#include "layers/ScatterNdLayer.hpp"
#include "layers/ShapeLayer.hpp"
#include "layers/SliceLayer.hpp"
#include "layers/SoftmaxLayer.hpp"
@@ -172,6 +173,7 @@ DECLARE_LAYER(Reduce)
DECLARE_LAYER(Reshape)
DECLARE_LAYER(Resize)
DECLARE_LAYER(ReverseV2)
+DECLARE_LAYER(ScatterNd)
DECLARE_LAYER(Shape)
DECLARE_LAYER(Slice)
DECLARE_LAYER(Softmax)
diff --git a/src/armnn/Network.cpp b/src/armnn/Network.cpp
index 2582403247..60df27d7fc 100644
--- a/src/armnn/Network.cpp
+++ b/src/armnn/Network.cpp
@@ -1,5 +1,5 @@
//
-// Copyright © 2017-2023 Arm Ltd and Contributors. All rights reserved.
+// Copyright © 2017-2024 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
@@ -663,6 +663,12 @@ IConnectableLayer* INetwork::AddBroadcastToLayer(const BroadcastToDescriptor& de
return pNetworkImpl->AddBroadcastToLayer(descriptor, name);
}
+IConnectableLayer* INetwork::AddScatterNdLayer(const ScatterNdDescriptor &descriptor,
+ const char *name)
+{
+ return pNetworkImpl->AddScatterNdLayer(descriptor, name);
+}
+
void INetwork::ExecuteStrategy(IStrategy& strategy) const
{
return pNetworkImpl->ExecuteStrategy(strategy);
@@ -3085,6 +3091,11 @@ IConnectableLayer* NetworkImpl::AddBroadcastToLayer(const BroadcastToDescriptor
return m_Graph->AddLayer<BroadcastToLayer>(desc, name);
}
+IConnectableLayer* NetworkImpl::AddScatterNdLayer(const ScatterNdDescriptor &desc, const char *name)
+{
+ return m_Graph->AddLayer<ScatterNdLayer>(desc, name);
+}
+
void NetworkImpl::ExecuteStrategy(IStrategy& strategy) const
{
for (auto layer : GetGraph())
diff --git a/src/armnn/Network.hpp b/src/armnn/Network.hpp
index 6ffdfb37a8..195f97e692 100644
--- a/src/armnn/Network.hpp
+++ b/src/armnn/Network.hpp
@@ -1,5 +1,5 @@
//
-// Copyright © 2017-2023 Arm Ltd and Contributors. All rights reserved.
+// Copyright © 2017-2024 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
@@ -196,6 +196,9 @@ public:
IConnectableLayer* AddReverseV2Layer(const char* name = nullptr);
+ IConnectableLayer* AddScatterNdLayer(const ScatterNdDescriptor& scatterDescriptor,
+ const char* name = nullptr);
+
IConnectableLayer* AddShapeLayer(const char* name = nullptr);
IConnectableLayer* AddSliceLayer(const SliceDescriptor& sliceDescriptor, const char* name = nullptr);
diff --git a/src/armnn/layers/ScatterNdLayer.cpp b/src/armnn/layers/ScatterNdLayer.cpp
new file mode 100644
index 0000000000..a0b270fba5
--- /dev/null
+++ b/src/armnn/layers/ScatterNdLayer.cpp
@@ -0,0 +1,94 @@
+//
+// Copyright © 2024 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ScatterNdLayer.hpp"
+#include "LayerCloneBase.hpp"
+
+#include <armnn/TypesUtils.hpp>
+#include <armnn/backends/WorkloadData.hpp>
+#include <armnn/backends/WorkloadFactory.hpp>
+
+namespace armnn
+{
+
+ScatterNdLayer::ScatterNdLayer(const ScatterNdDescriptor &param, const char* name)
+ : LayerWithParameters(3, 1, LayerType::ScatterNd, param, name)
+{
+}
+
+std::unique_ptr<IWorkload> ScatterNdLayer::CreateWorkload(const armnn::IWorkloadFactory& factory) const
+{
+ ScatterNdQueueDescriptor descriptor;
+ SetAdditionalInfo(descriptor);
+
+ return factory.CreateWorkload(LayerType::ScatterNd, descriptor, PrepInfoAndDesc(descriptor));
+}
+
+ScatterNdLayer* ScatterNdLayer::Clone(Graph& graph) const
+{
+ auto layer = CloneBase<ScatterNdLayer>(graph, m_Param, GetName());
+
+ return std::move(layer);
+}
+
+std::vector<TensorShape> ScatterNdLayer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const
+{
+ const auto inputDims = inputShapes[0].GetNumDimensions();
+
+ std::vector<unsigned int> dimSizes(inputDims);
+
+ for (unsigned i = 0; i < inputDims; ++i)
+ {
+ dimSizes[i] = inputShapes[0][i];
+ }
+
+ TensorShape outputShape({ inputDims, dimSizes.data() });
+
+ return std::vector<TensorShape>({ outputShape });
+}
+
+void ScatterNdLayer::ValidateTensorShapesFromInputs()
+{
+ VerifyLayerConnections(3, CHECK_LOCATION());
+
+ const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape();
+
+ VerifyShapeInferenceType(outputShape, m_ShapeInferenceMethod);
+
+ if (m_Param.m_InputEnabled)
+ {
+ std::vector<TensorShape> inferredShapes = InferOutputShapes(
+ {GetInputSlot(0).GetTensorInfo().GetShape(),
+ GetInputSlot(1).GetTensorInfo().GetShape(),
+ GetInputSlot(2).GetTensorInfo().GetShape()});
+
+ if (inferredShapes.size() != 1) {
+ throw armnn::LayerValidationException("inferredShape has " +
+ std::to_string(inferredShapes.size()) +
+ " elements - should only have 1.");
+ }
+
+ ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, "ScatterLayer");
+ }
+ else
+ {
+ // No input tensor, only shape provided via input slot
+ // In this case, we cannot validate the output shape from the input shape, but we can
+ // validate that the dimensions of shape and output tensor matched
+ unsigned int shapeDims = GetInputSlot(0).GetTensorInfo().GetNumDimensions();
+ unsigned int outputDims = GetOutputSlot(0).GetTensorInfo().GetNumDimensions();
+
+ if (shapeDims != outputDims)
+ {
+ throw armnn::LayerValidationException("shape dimension " +
+ std::to_string(shapeDims) +
+ " and output dimension " +
+ std::to_string(outputDims) +
+ " are not matched.");
+ }
+ }
+}
+
+} // namespace armnn
diff --git a/src/armnn/layers/ScatterNdLayer.hpp b/src/armnn/layers/ScatterNdLayer.hpp
new file mode 100644
index 0000000000..adad66758a
--- /dev/null
+++ b/src/armnn/layers/ScatterNdLayer.hpp
@@ -0,0 +1,44 @@
+//
+// Copyright © 2024 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include "LayerWithParameters.hpp"
+
+namespace armnn
+{
+
+/// This layer represents a ScatterNd operator.
+class ScatterNdLayer : public LayerWithParameters<ScatterNdDescriptor>
+{
+public:
+ /// Makes a workload for the ScatterNd type.
+ /// @param [in] factory The workload factory which will create the workload.
+ /// @return A pointer to the created workload, or nullptr if not created.
+ virtual std::unique_ptr<IWorkload> CreateWorkload(const IWorkloadFactory& factory) const override;
+
+ /// Creates a dynamically-allocated copy of this layer.
+ /// @param [in] graph The graph into which this layer is being cloned.
+ ScatterNdLayer* Clone(Graph& graph) const override;
+
+ /// Infers the output shapes from given input shapes and layer properties.
+ /// @param [in] inputShapes The input shapes layer has.
+ /// @return A vector to the inferred output shape.
+ std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override;
+
+ /// Check if the input tensor shape(s)
+ /// will lead to a valid configuration of @ref ScatterNdLayer.
+ void ValidateTensorShapesFromInputs() override;
+
+protected:
+ /// Constructor to create a ScatterNdLayer.
+ /// @param [in] name Optional name for the layer.
+ ScatterNdLayer(const ScatterNdDescriptor& param, const char* name);
+
+ /// Default destructor
+ ~ScatterNdLayer() = default;
+};
+
+} // namespace armnn