IVGCVSW-1900 : CL backend folder structure

* moving backends/ClWorkloads to backends/cl
* and moving pure Cl workload related code to
  backends/cl/workloads

Change-Id: I019a3c6b4da5e7a23074bf03fb057e63199ad129

1 files changed, 96 insertions, 0 deletions

diff --git a/src/backends/cl/workloads/ClFullyConnectedWorkload.cpp b/src/backends/cl/workloads/ClFullyConnectedWorkload.cpp
new file mode 100644
index 0000000000..b3a97f35f8
--- /dev/null
+++ b/src/backends/cl/workloads/ClFullyConnectedWorkload.cpp
@@ -0,0 +1,96 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ClFullyConnectedWorkload.hpp"
+#include <backends/cl/ClTensorHandle.hpp>
+#include <backends/CpuTensorHandle.hpp>
+#include <backends/aclCommon/ArmComputeTensorUtils.hpp>
+#include <backends/aclCommon/ArmComputeUtils.hpp>
+#include <backends/cl/ClLayerSupport.hpp>
+
+#include "ClWorkloadUtils.hpp"
+
+namespace armnn
+{
+using namespace armcomputetensorutils;
+
+arm_compute::Status ClFullyConnectedWorkloadValidate(const TensorInfo& input,
+                                                     const TensorInfo& output,
+                                                     const TensorInfo& weights,
+                                                     const TensorInfo& biases,
+                                                     const FullyConnectedDescriptor& descriptor)
+{
+    const arm_compute::TensorInfo aclInput = BuildArmComputeTensorInfo(input);
+    const arm_compute::TensorInfo aclOutput = BuildArmComputeTensorInfo(output);
+    const arm_compute::TensorInfo aclWeights = BuildArmComputeTensorInfo(weights);
+
+    arm_compute::TensorInfo aclBiases;
+    arm_compute::TensorInfo *optionalAclBiases = nullptr;
+    if (descriptor.m_BiasEnabled)
+    {
+        aclBiases  = BuildArmComputeTensorInfo(biases);
+        optionalAclBiases = &aclBiases;
+    }
+
+    const arm_compute::FullyConnectedLayerInfo fullyConnectedLayerInfo =
+        ConvertFullyConnectedDescriptorToAclFullyConnectedLayerInfo(descriptor);
+
+    return arm_compute::CLFullyConnectedLayer::validate(&aclInput,
+                                                        &aclWeights,
+                                                        optionalAclBiases,
+                                                        &aclOutput,
+                                                        fullyConnectedLayerInfo);
+}
+
+ClFullyConnectedWorkload::ClFullyConnectedWorkload(const FullyConnectedQueueDescriptor& descriptor,
+    const WorkloadInfo& info, std::shared_ptr<arm_compute::MemoryManagerOnDemand>& memoryManager)
+    : BaseWorkload<FullyConnectedQueueDescriptor>(descriptor, info)
+    , m_FullyConnectedLayer(memoryManager)
+{
+    m_WeightsTensor = std::make_unique<arm_compute::CLTensor>();
+    BuildArmComputeTensor(*m_WeightsTensor, m_Data.m_Weight->GetTensorInfo());
+
+    if (m_Data.m_Parameters.m_BiasEnabled)
+    {
+        m_BiasesTensor = std::make_unique<arm_compute::CLTensor>();
+        BuildArmComputeTensor(*m_BiasesTensor, m_Data.m_Bias->GetTensorInfo());
+    }
+
+    m_Data.ValidateInputsOutputs("ClFullyConnectedWorkload", 1, 1);
+
+    arm_compute::ICLTensor& input  = static_cast<IClTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
+    arm_compute::ICLTensor& output = static_cast<IClTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
+
+    // Construct
+    arm_compute::FullyConnectedLayerInfo fc_info;
+    fc_info.transpose_weights = m_Data.m_Parameters.m_TransposeWeightMatrix;
+    m_FullyConnectedLayer.configure(&input, m_WeightsTensor.get(), m_BiasesTensor.get(), &output, fc_info);
+
+    InitializeArmComputeClTensorData(*m_WeightsTensor, m_Data.m_Weight);
+
+    if (m_BiasesTensor)
+    {
+        InitializeArmComputeClTensorData(*m_BiasesTensor, m_Data.m_Bias);
+    }
+
+    // Force Compute Library to perform the necessary copying and reshaping, after which
+    // delete all the input tensors that will no longer be needed
+    m_FullyConnectedLayer.prepare();
+    FreeUnusedTensors();
+}
+
+void ClFullyConnectedWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT_CL("ClFullyConnectedWorkload_Execute");
+    m_FullyConnectedLayer.run();
+}
+
+void ClFullyConnectedWorkload::FreeUnusedTensors()
+{
+    FreeTensorIfUnused(m_WeightsTensor);
+    FreeTensorIfUnused(m_BiasesTensor);
+}
+
+} //namespace armnn