1 files changed, 89 insertions, 0 deletions
diff --git a/src/armnn/layers/ElementwiseBinaryLayer.cpp b/src/armnn/layers/ElementwiseBinaryLayer.cpp
new file mode 100644
index 0000000000..ae1813f33a
--- /dev/null
+++ b/src/armnn/layers/ElementwiseBinaryLayer.cpp
@@ -0,0 +1,89 @@
+//
+// Copyright © 2023 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ElementwiseBinaryLayer.hpp"
+
+#include "LayerCloneBase.hpp"
+
+namespace armnn
+{
+
+ElementwiseBinaryLayer::ElementwiseBinaryLayer(const ElementwiseBinaryDescriptor& param, const char* name)
+    : LayerWithParameters(2, 1, LayerType::ElementwiseBinary, param, name)
+{
+}
+
+std::unique_ptr<IWorkload> ElementwiseBinaryLayer::CreateWorkload(const IWorkloadFactory& factory) const
+{
+    ElementwiseBinaryQueueDescriptor descriptor;
+    SetAdditionalInfo(descriptor);
+
+    return factory.CreateWorkload(LayerType::ElementwiseBinary, descriptor, PrepInfoAndDesc(descriptor));
+}
+
+ElementwiseBinaryLayer* ElementwiseBinaryLayer::Clone(Graph& graph) const
+{
+    return CloneBase<ElementwiseBinaryLayer>(graph, m_Param, GetName());
+}
+
+std::vector<TensorShape> ElementwiseBinaryLayer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const
+{
+    ARMNN_ASSERT(inputShapes.size() == 2);
+    TensorShape input0 = inputShapes[0];
+    TensorShape input1 = inputShapes[1];
+
+    if (inputShapes[0].GetNumDimensions() < inputShapes[1].GetNumDimensions())
+    {
+        input1 = inputShapes[0];
+        input0 = inputShapes[1];
+    }
+
+    unsigned int numDims     = input0.GetNumDimensions();
+    unsigned int shiftedDims = input0.GetNumDimensions() - input1.GetNumDimensions();
+
+    // Get the max of the inputs.
+    std::vector<unsigned int> dims(numDims);
+    for (unsigned int i = shiftedDims; i < numDims; i++)
+    {
+        unsigned int dim0 = input0[i];
+        unsigned int dim1 = input1[i - shiftedDims];
+
+        // Validate inputs are broadcast compatible.
+        ARMNN_ASSERT_MSG(dim0 == dim1 || dim0 == 1 || dim1 == 1,
+                         "Dimensions should either match or one should be of size 1.");
+
+        dims[i] = std::max(dim0, dim1);
+    }
+
+    // Fill in the rest of the shifted dimensions.
+    for (unsigned int i = 0; i < shiftedDims; i++)
+    {
+        dims[i] = input0[i];
+    }
+
+    return std::vector<TensorShape>({ TensorShape(numDims, dims.data()) });
+}
+
+void ElementwiseBinaryLayer::ValidateTensorShapesFromInputs()
+{
+    VerifyLayerConnections(2, CHECK_LOCATION());
+
+    const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape();
+
+    VerifyShapeInferenceType(outputShape, m_ShapeInferenceMethod);
+
+    auto inferredShapes = InferOutputShapes({ GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape(),
+                                              GetInputSlot(1).GetConnection()->GetTensorInfo().GetShape() });
+
+    ARMNN_ASSERT(inferredShapes.size() == 1);
+
+    ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, GetLayerTypeAsCString(GetType()));
+}
+
+void ElementwiseBinaryLayer::ExecuteStrategy(IStrategy& strategy) const
+{
+    strategy.ExecuteStrategy(this, GetParameters(), {}, GetName());
+}
+} // namespace armnn