IVGCVSW-7883 Front end and reference implementation for TILE

Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Signed-off-by: Cian McGriskin <cian.mcgriskin@arm.com>

Change-Id: I0afb2403fee11c5c1e58ea65e2525e99594d8f2d
diff --git a/src/backends/reference/workloads/RefTileWorkload.cpp b/src/backends/reference/workloads/RefTileWorkload.cpp
new file mode 100644
index 0000000..9fa8c8c
--- /dev/null
+++ b/src/backends/reference/workloads/RefTileWorkload.cpp
@@ -0,0 +1,47 @@
+//
+// Copyright © 2023 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "RefTileWorkload.hpp"
+#include "RefWorkloadUtils.hpp"
+#include "Tile.hpp"
+#include "Profiling.hpp"
+
+namespace armnn
+{
+
+    RefTileWorkload::RefTileWorkload(const TileQueueDescriptor& descriptor, const WorkloadInfo& info)
+        : RefBaseWorkload(descriptor, info)
+    {}
+
+    void RefTileWorkload::Execute() const
+    {
+        Execute(m_Data.m_Inputs, m_Data.m_Outputs);
+    }
+
+    void RefTileWorkload::ExecuteAsync(ExecutionData& executionData)
+    {
+        WorkingMemDescriptor* workingMemDescriptor = static_cast<WorkingMemDescriptor*>(executionData.m_Data);
+        Execute(workingMemDescriptor->m_Inputs, workingMemDescriptor->m_Outputs);
+    }
+
+    void RefTileWorkload::Execute(std::vector<ITensorHandle*> inputs, std::vector<ITensorHandle*> outputs) const
+    {
+        ARMNN_SCOPED_PROFILING_EVENT(Compute::CpuRef, "RefTileWorkload_Execute");
+
+        const TensorInfo& inputInfo = GetTensorInfo(inputs[0]);
+
+        std::unique_ptr<Decoder<float>> inputDecoder = MakeDecoder<float>(GetTensorInfo(inputs[0]),
+                                                                          inputs[0]->Map());
+
+        std::unique_ptr<Encoder<float>> outputEncoder = MakeEncoder<float>(GetTensorInfo(outputs[0]),
+                                                                           outputs[0]->Map());
+
+        Tile(m_Data.m_Parameters,
+             inputInfo,
+             *inputDecoder,
+             *outputEncoder);
+    }
+
+} // namespace armnn
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