From c11ba468017b8b06c5c0f83743575d34bad1dd3b Mon Sep 17 00:00:00 2001
From: David Monahan <david.monahan@arm.com>
Date: Thu, 3 Dec 2020 11:09:46 +0000
Subject: IVGCVSW-4625 Add CL Rank Workload

 * Added CL implementation of Rank Workload
 * Removed references to memcpy_s as it's a windows only function

Signed-off-by: David Monahan <david.monahan@arm.com>
Change-Id: Ia63666b9640d76a775f2ab98b3cd7e9f77b5a507
---
 src/backends/cl/workloads/CMakeLists.txt      |  1 +
 src/backends/cl/workloads/ClRankWorkload.hpp  | 30 +++++++++++++++++++++++++++
 src/backends/cl/workloads/ClWorkloadUtils.hpp |  7 +++++++
 src/backends/cl/workloads/ClWorkloads.hpp     |  1 +
 4 files changed, 39 insertions(+)
 create mode 100644 src/backends/cl/workloads/ClRankWorkload.hpp

(limited to 'src/backends/cl/workloads')

diff --git a/src/backends/cl/workloads/CMakeLists.txt b/src/backends/cl/workloads/CMakeLists.txt
index 6118d9bbe1..7427ea018d 100644
--- a/src/backends/cl/workloads/CMakeLists.txt
+++ b/src/backends/cl/workloads/CMakeLists.txt
@@ -86,6 +86,7 @@ list(APPEND armnnClBackendWorkloads_sources
     ClQuantizedLstmWorkload.hpp
     ClQuantizeWorkload.cpp
     ClQuantizeWorkload.hpp
+    ClRankWorkload.hpp
     ClReshapeWorkload.cpp
     ClReshapeWorkload.hpp
     ClResizeWorkload.cpp
diff --git a/src/backends/cl/workloads/ClRankWorkload.hpp b/src/backends/cl/workloads/ClRankWorkload.hpp
new file mode 100644
index 0000000000..0a7bccf6c6
--- /dev/null
+++ b/src/backends/cl/workloads/ClRankWorkload.hpp
@@ -0,0 +1,30 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/Workload.hpp>
+#include <backendsCommon/WorkloadData.hpp>
+
+#include "ClWorkloadUtils.hpp"
+
+namespace armnn
+{
+
+struct ClRankWorkload : public BaseWorkload<RankQueueDescriptor>
+{
+public:
+    using BaseWorkload<RankQueueDescriptor>::BaseWorkload;
+    virtual void Execute() const override
+    {
+        const ClTensorHandle* clTensorHandle = PolymorphicDowncast<const ClTensorHandle*>(m_Data.m_Inputs[0]);
+        const int32_t rank = static_cast<int32_t>(clTensorHandle->GetShape().GetNumDimensions());
+
+        std::memcpy(GetOutputTensorData<void>(0, m_Data), &rank, sizeof(int32_t));
+        m_Data.m_Outputs[0]->Unmap();
+    }
+};
+
+} //namespace armnn
diff --git a/src/backends/cl/workloads/ClWorkloadUtils.hpp b/src/backends/cl/workloads/ClWorkloadUtils.hpp
index 89f13a577a..b0cc8b4ed5 100644
--- a/src/backends/cl/workloads/ClWorkloadUtils.hpp
+++ b/src/backends/cl/workloads/ClWorkloadUtils.hpp
@@ -143,4 +143,11 @@ inline void RunClFunction(arm_compute::IFunction& function, const CheckLocation&
     }
 }
 
+template <typename DataType, typename PayloadType>
+DataType* GetOutputTensorData(unsigned int idx, const PayloadType& data)
+{
+    ITensorHandle* tensorHandle = data.m_Outputs[idx];
+    return reinterpret_cast<DataType*>(tensorHandle->Map());
+}
+
 } //namespace armnn
diff --git a/src/backends/cl/workloads/ClWorkloads.hpp b/src/backends/cl/workloads/ClWorkloads.hpp
index efcccb35c3..0045e7a77f 100644
--- a/src/backends/cl/workloads/ClWorkloads.hpp
+++ b/src/backends/cl/workloads/ClWorkloads.hpp
@@ -43,6 +43,7 @@
 #include "ClQLstmWorkload.hpp"
 #include "ClQuantizeWorkload.hpp"
 #include "ClQuantizedLstmWorkload.hpp"
+#include "ClRankWorkload.hpp"
 #include "ClReshapeWorkload.hpp"
 #include "ClResizeWorkload.hpp"
 #include "ClRsqrtWorkload.hpp"
-- 
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