From 10b4dfd8e9ccd7a03df7bb053ee1c644cb37f8ab Mon Sep 17 00:00:00 2001
From: David Beck <david.beck@arm.com>
Date: Wed, 19 Sep 2018 12:03:20 +0100
Subject: IVGCVSW-1897 : build infrastructure for the src/backends folder

Change-Id: I7ebafb675ccc77ad54d1deb01412a8379a5356bb
---
 .../ClBatchNormalizationFloatWorkload.cpp          | 96 ++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 src/backends/ClWorkloads/ClBatchNormalizationFloatWorkload.cpp

(limited to 'src/backends/ClWorkloads/ClBatchNormalizationFloatWorkload.cpp')

diff --git a/src/backends/ClWorkloads/ClBatchNormalizationFloatWorkload.cpp b/src/backends/ClWorkloads/ClBatchNormalizationFloatWorkload.cpp
new file mode 100644
index 0000000000..021734aaa6
--- /dev/null
+++ b/src/backends/ClWorkloads/ClBatchNormalizationFloatWorkload.cpp
@@ -0,0 +1,96 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ClBatchNormalizationFloatWorkload.hpp"
+#include "backends/ClTensorHandle.hpp"
+#include "backends/CpuTensorHandle.hpp"
+#include "backends/ArmComputeTensorUtils.hpp"
+#include "backends/ClLayerSupport.hpp"
+
+#include "ClWorkloadUtils.hpp"
+
+namespace armnn
+{
+using namespace armcomputetensorutils;
+
+arm_compute::Status ClBatchNormalizationValidate(const TensorInfo& input,
+                                                 const TensorInfo& output,
+                                                 const TensorInfo& mean,
+                                                 const TensorInfo& var,
+                                                 const TensorInfo& beta,
+                                                 const TensorInfo& gamma,
+                                                 const BatchNormalizationDescriptor &desc)
+{
+    const arm_compute::TensorInfo aclInputInfo = BuildArmComputeTensorInfo(input);
+    const arm_compute::TensorInfo aclOutputInfo = BuildArmComputeTensorInfo(output);
+    const arm_compute::TensorInfo aclMeanInfo = BuildArmComputeTensorInfo(mean);
+    const arm_compute::TensorInfo aclVarInfo = BuildArmComputeTensorInfo(var);
+    const arm_compute::TensorInfo aclBetaInfo = BuildArmComputeTensorInfo(beta);
+    const arm_compute::TensorInfo aclGammaInfo = BuildArmComputeTensorInfo(gamma);
+
+    return arm_compute::CLBatchNormalizationLayer::validate(&aclInputInfo,
+                                                            &aclOutputInfo,
+                                                            &aclMeanInfo,
+                                                            &aclVarInfo,
+                                                            &aclBetaInfo,
+                                                            &aclGammaInfo,
+                                                            desc.m_Eps);
+}
+
+ClBatchNormalizationFloatWorkload::ClBatchNormalizationFloatWorkload(
+    const BatchNormalizationQueueDescriptor& descriptor, const WorkloadInfo& info)
+    : FloatWorkload<BatchNormalizationQueueDescriptor>(descriptor, info)
+{
+    m_Mean = std::make_unique<arm_compute::CLTensor>();
+    BuildArmComputeTensor(*m_Mean, m_Data.m_Mean->GetTensorInfo());
+
+    m_Variance = std::make_unique<arm_compute::CLTensor>();
+    BuildArmComputeTensor(*m_Variance, m_Data.m_Variance->GetTensorInfo());
+
+    m_Gamma = std::make_unique<arm_compute::CLTensor>();
+    BuildArmComputeTensor(*m_Gamma, m_Data.m_Gamma->GetTensorInfo());
+
+    m_Beta = std::make_unique<arm_compute::CLTensor>();
+    BuildArmComputeTensor(*m_Beta, m_Data.m_Beta->GetTensorInfo());
+
+    m_Data.ValidateInputsOutputs("ClBatchNormalizationFloatWorkload", 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();
+
+    m_Layer.configure(&input,
+                      &output,
+                      m_Mean.get(),
+                      m_Variance.get(),
+                      m_Beta.get(),
+                      m_Gamma.get(),
+                      m_Data.m_Parameters.m_Eps);
+
+    InitializeArmComputeClTensorDataForFloatTypes(*m_Mean, m_Data.m_Mean);
+    InitializeArmComputeClTensorDataForFloatTypes(*m_Variance, m_Data.m_Variance);
+    InitializeArmComputeClTensorDataForFloatTypes(*m_Beta, m_Data.m_Beta);
+    InitializeArmComputeClTensorDataForFloatTypes(*m_Gamma, m_Data.m_Gamma);
+
+    // Force Compute Library to perform the necessary copying and reshaping, after which
+    // delete all the input tensors that will no longer be needed
+    m_Layer.prepare();
+    FreeUnusedTensors();
+}
+
+void ClBatchNormalizationFloatWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT_CL("ClBatchNormalizationFloatWorkload_Execute");
+    m_Layer.run();
+}
+
+void ClBatchNormalizationFloatWorkload::FreeUnusedTensors()
+{
+    FreeTensorIfUnused(m_Mean);
+    FreeTensorIfUnused(m_Variance);
+    FreeTensorIfUnused(m_Gamma);
+    FreeTensorIfUnused(m_Beta);
+}
+
+} //namespace armnn
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