IVGCVSW-3186 Add ClQuantizeWorkload

 * Added ClQuantizeWorkload to enable quantization on CL backend

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: Id49d5ec29514f6f853c2500a34b1a12444c49168

4 files changed, 78 insertions, 0 deletions

diff --git a/src/backends/cl/workloads/CMakeLists.txt b/src/backends/cl/workloads/CMakeLists.txt
index a3eedd028e..23668c564b 100644
--- a/src/backends/cl/workloads/CMakeLists.txt
+++ b/src/backends/cl/workloads/CMakeLists.txt
@@ -52,6 +52,8 @@ list(APPEND armnnClBackendWorkloads_sources
     ClPermuteWorkload.hpp
     ClPooling2dWorkload.cpp
     ClPooling2dWorkload.hpp
+    ClQuantizeWorkload.cpp
+    ClQuantizeWorkload.hpp
     ClReshapeWorkload.cpp
     ClReshapeWorkload.hpp
     ClResizeBilinearFloatWorkload.cpp
diff --git a/src/backends/cl/workloads/ClQuantizeWorkload.cpp b/src/backends/cl/workloads/ClQuantizeWorkload.cpp
new file mode 100644
index 0000000000..230e346a00
--- /dev/null
+++ b/src/backends/cl/workloads/ClQuantizeWorkload.cpp
@@ -0,0 +1,47 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ClQuantizeWorkload.hpp"
+#include "ClWorkloadUtils.hpp"
+
+#include <aclCommon/ArmComputeUtils.hpp>
+#include <aclCommon/ArmComputeTensorUtils.hpp>
+
+#include <backendsCommon/CpuTensorHandle.hpp>
+
+#include <cl/ClLayerSupport.hpp>
+#include <cl/ClTensorHandle.hpp>
+#include <cl/ClLayerSupport.hpp>
+
+namespace armnn
+{
+using namespace armcomputetensorutils;
+
+arm_compute::Status ClQuantizeWorkloadValidate(const TensorInfo& input,
+                                               const TensorInfo& output)
+{
+    const arm_compute::TensorInfo aclInputInfo  = BuildArmComputeTensorInfo(input);
+    const arm_compute::TensorInfo aclOutputInfo = BuildArmComputeTensorInfo(output);
+
+    return arm_compute::CLQuantizationLayer::validate(&aclInputInfo,
+                                                      &aclOutputInfo);
+}
+
+ClQuantizeWorkload::ClQuantizeWorkload(const QuantizeQueueDescriptor& descriptor, const WorkloadInfo& info)
+    : BaseWorkload<QuantizeQueueDescriptor>(descriptor, info)
+{
+    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);
+}
+
+void ClQuantizeWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT_CL("ClQuantizeWorkload_Execute");
+    RunClFunction(m_Layer, CHECK_LOCATION());
+}
+
+} //namespace armnn
diff --git a/src/backends/cl/workloads/ClQuantizeWorkload.hpp b/src/backends/cl/workloads/ClQuantizeWorkload.hpp
new file mode 100644
index 0000000000..f4a7ec64dd
--- /dev/null
+++ b/src/backends/cl/workloads/ClQuantizeWorkload.hpp
@@ -0,0 +1,28 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/Workload.hpp>
+
+#include <arm_compute/runtime/CL/functions/CLQuantizationLayer.h>
+
+namespace armnn
+{
+
+arm_compute::Status ClQuantizeWorkloadValidate(const TensorInfo& input,
+                                               const TensorInfo& output);
+
+class ClQuantizeWorkload : public BaseWorkload<QuantizeQueueDescriptor>
+{
+public:
+    ClQuantizeWorkload(const QuantizeQueueDescriptor& descriptor, const WorkloadInfo& info);
+    void Execute() const override;
+
+private:
+    mutable arm_compute::CLQuantizationLayer m_Layer;
+};
+
+} //namespace armnn
\ No newline at end of file
diff --git a/src/backends/cl/workloads/ClWorkloads.hpp b/src/backends/cl/workloads/ClWorkloads.hpp
index 7e0170cac3..0060412770 100644
--- a/src/backends/cl/workloads/ClWorkloads.hpp
+++ b/src/backends/cl/workloads/ClWorkloads.hpp
@@ -26,6 +26,7 @@
 #include "ClPermuteWorkload.hpp"
 #include "ClPadWorkload.hpp"
 #include "ClPooling2dWorkload.hpp"
+#include "ClQuantizeWorkload.hpp"
 #include "ClReshapeWorkload.hpp"
 #include "ClResizeBilinearFloatWorkload.hpp"
 #include "ClSoftmaxFloatWorkload.hpp"