IVGCVSW-1898 : Ref backend folder structure

* Reference backend is renamed to backends/reference as per
  https://confluence.arm.com/display/MLENG/Pluggable+backends

Change-Id: I27a13c274eb60995dfb459e3c49c0e2f60bcd32c

1 files changed, 69 insertions, 0 deletions

diff --git a/src/backends/reference/workloads/RefArithmeticWorkload.cpp b/src/backends/reference/workloads/RefArithmeticWorkload.cpp
new file mode 100644
index 0000000000..6c39fa1186
--- /dev/null
+++ b/src/backends/reference/workloads/RefArithmeticWorkload.cpp
@@ -0,0 +1,69 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "RefArithmeticWorkload.hpp"
+#include "ArithmeticFunction.hpp"
+#include "RefWorkloadUtils.hpp"
+#include "Profiling.hpp"
+#include <vector>
+
+namespace armnn
+{
+
+template <typename ParentDescriptor, typename Functor>
+void BaseFloat32ArithmeticWorkload<ParentDescriptor, Functor>::ExecuteImpl(const char * debugString) const
+{
+    ARMNN_SCOPED_PROFILING_EVENT(Compute::CpuRef, debugString);
+
+    auto data = Float32Workload<ParentDescriptor>::GetData();
+    const TensorShape& inShape0 = GetTensorInfo(data.m_Inputs[0]).GetShape();
+    const TensorShape& inShape1 = GetTensorInfo(data.m_Inputs[1]).GetShape();
+    const TensorShape& outShape = GetTensorInfo(data.m_Outputs[0]).GetShape();
+
+    const float* inData0 = GetInputTensorDataFloat(0, data);
+    const float* inData1 = GetInputTensorDataFloat(1, data);
+    float* outData = GetOutputTensorDataFloat(0, data);
+
+    ArithmeticFunction<Functor>(inShape0, inShape1, outShape, inData0, inData1, outData);
+}
+
+template <typename ParentDescriptor, typename Functor>
+void BaseUint8ArithmeticWorkload<ParentDescriptor, Functor>::ExecuteImpl(const char * debugString) const
+{
+    ARMNN_SCOPED_PROFILING_EVENT(Compute::CpuRef, debugString);
+
+    auto data = Uint8Workload<ParentDescriptor>::GetData();
+    const TensorInfo& inputInfo0 = GetTensorInfo(data.m_Inputs[0]);
+    const TensorInfo& inputInfo1 = GetTensorInfo(data.m_Inputs[1]);
+    const TensorInfo& outputInfo = GetTensorInfo(data.m_Outputs[0]);
+
+    auto dequant0 = Dequantize(GetInputTensorDataU8(0, data), inputInfo0);
+    auto dequant1 = Dequantize(GetInputTensorDataU8(1, data), inputInfo1);
+
+    std::vector<float> results(outputInfo.GetNumElements());
+
+    ArithmeticFunction<Functor>(inputInfo0.GetShape(),
+                                inputInfo1.GetShape(),
+                                outputInfo.GetShape(),
+                                dequant0.data(),
+                                dequant1.data(),
+                                results.data());
+
+    Quantize(GetOutputTensorDataU8(0, data), results.data(), outputInfo);
+}
+
+}
+
+template class armnn::BaseFloat32ArithmeticWorkload<armnn::AdditionQueueDescriptor, std::plus<float>>;
+template class armnn::BaseUint8ArithmeticWorkload<armnn::AdditionQueueDescriptor, std::plus<float>>;
+
+template class armnn::BaseFloat32ArithmeticWorkload<armnn::SubtractionQueueDescriptor, std::minus<float>>;
+template class armnn::BaseUint8ArithmeticWorkload<armnn::SubtractionQueueDescriptor, std::minus<float>>;
+
+template class armnn::BaseFloat32ArithmeticWorkload<armnn::MultiplicationQueueDescriptor, std::multiplies<float>>;
+template class armnn::BaseUint8ArithmeticWorkload<armnn::MultiplicationQueueDescriptor, std::multiplies<float>>;
+
+template class armnn::BaseFloat32ArithmeticWorkload<armnn::DivisionQueueDescriptor, std::divides<float>>;
+template class armnn::BaseUint8ArithmeticWorkload<armnn::DivisionQueueDescriptor, std::divides<float>>;