From 54b2169989fa9916565fb8a2edf717c6c93923d9 Mon Sep 17 00:00:00 2001
From: Conor Kennedy <conor.kennedy@arm.com>
Date: Wed, 9 Jan 2019 07:57:38 +0000
Subject: IVGCVSW-2441 Add Minimum operator support (NEON)

Change-Id: I0bc48f118aba419abb659657b83224401fac0715
---
 src/backends/neon/workloads/CMakeLists.txt         |  2 +
 .../neon/workloads/NeonMinimumWorkload.cpp         | 45 ++++++++++++++++++++++
 .../neon/workloads/NeonMinimumWorkload.hpp         | 38 ++++++++++++++++++
 src/backends/neon/workloads/NeonWorkloads.hpp      |  1 +
 4 files changed, 86 insertions(+)
 create mode 100644 src/backends/neon/workloads/NeonMinimumWorkload.cpp
 create mode 100644 src/backends/neon/workloads/NeonMinimumWorkload.hpp

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

diff --git a/src/backends/neon/workloads/CMakeLists.txt b/src/backends/neon/workloads/CMakeLists.txt
index b7dfc3fcfd..919c716860 100644
--- a/src/backends/neon/workloads/CMakeLists.txt
+++ b/src/backends/neon/workloads/CMakeLists.txt
@@ -34,6 +34,8 @@ list(APPEND armnnNeonBackendWorkloads_sources
     NeonMeanWorkload.hpp
     NeonMergerWorkload.cpp
     NeonMergerWorkload.hpp
+    NeonMinimumWorkload.cpp
+    NeonMinimumWorkload.hpp
     NeonMultiplicationFloatWorkload.cpp
     NeonMultiplicationFloatWorkload.hpp
     NeonNormalizationFloatWorkload.cpp
diff --git a/src/backends/neon/workloads/NeonMinimumWorkload.cpp b/src/backends/neon/workloads/NeonMinimumWorkload.cpp
new file mode 100644
index 0000000000..9b97bf5863
--- /dev/null
+++ b/src/backends/neon/workloads/NeonMinimumWorkload.cpp
@@ -0,0 +1,45 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "NeonMinimumWorkload.hpp"
+#include <aclCommon/ArmComputeTensorUtils.hpp>
+#include <backendsCommon/CpuTensorHandle.hpp>
+
+namespace armnn
+{
+
+arm_compute::Status NeonMinimumWorkloadValidate(const TensorInfo& input0,
+                                                const TensorInfo& input1,
+                                                const TensorInfo& output)
+{
+    const arm_compute::TensorInfo aclInput0 = armcomputetensorutils::BuildArmComputeTensorInfo(input0);
+    const arm_compute::TensorInfo aclInput1 = armcomputetensorutils::BuildArmComputeTensorInfo(input1);
+    const arm_compute::TensorInfo aclOutput = armcomputetensorutils::BuildArmComputeTensorInfo(output);
+
+    return arm_compute::NEElementwiseMin::validate(&aclInput0,
+                                                   &aclInput1,
+                                                   &aclOutput);
+}
+
+NeonMinimumWorkload::NeonMinimumWorkload(const MinimumQueueDescriptor& descriptor,
+                                         const WorkloadInfo& info)
+    : BaseWorkload<MinimumQueueDescriptor>(descriptor, info)
+{
+    m_Data.ValidateInputsOutputs("NeonMinimumWorkload", 2, 1);
+
+    arm_compute::ITensor& input0 = boost::polymorphic_downcast<INeonTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
+    arm_compute::ITensor& input1 = boost::polymorphic_downcast<INeonTensorHandle*>(m_Data.m_Inputs[1])->GetTensor();
+    arm_compute::ITensor& output = boost::polymorphic_downcast<INeonTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
+
+    m_MinLayer.configure(&input0, &input1, &output);
+}
+
+void NeonMinimumWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT_NEON("NeonMinimumWorkload_Execute");
+    m_MinLayer.run();
+}
+
+} //namespace armnn
diff --git a/src/backends/neon/workloads/NeonMinimumWorkload.hpp b/src/backends/neon/workloads/NeonMinimumWorkload.hpp
new file mode 100644
index 0000000000..5c76bb387e
--- /dev/null
+++ b/src/backends/neon/workloads/NeonMinimumWorkload.hpp
@@ -0,0 +1,38 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <neon/workloads/NeonWorkloadUtils.hpp>
+
+#include <arm_compute/runtime/NEON/functions/NEElementwiseOperations.h>
+
+namespace armnn
+{
+
+/// Validate function for validating the inputs and output.
+/// @param [in] input0 The input0 value to be validated.
+/// @param [in] input1 The input1 value to be validated.
+/// @param [in] output The output value to be validated.
+arm_compute::Status NeonMinimumWorkloadValidate(const TensorInfo& input0,
+                                                const TensorInfo& input1,
+                                                const TensorInfo& output);
+
+class NeonMinimumWorkload : public BaseWorkload<MinimumQueueDescriptor>
+{
+public:
+    /// Create a NeonMinimumWorkload.
+    /// @param [in] descriptor The MinimumQueueDescriptor to configure this operation.
+    /// @param [in] info The workload where this operation can be found.
+    NeonMinimumWorkload(const MinimumQueueDescriptor& descriptor, const WorkloadInfo& info);
+
+    /// Execute the Minimum operation.
+    virtual void Execute() const override;
+
+private:
+    mutable arm_compute::NEElementwiseMin m_MinLayer;
+};
+
+} //namespace armnn
diff --git a/src/backends/neon/workloads/NeonWorkloads.hpp b/src/backends/neon/workloads/NeonWorkloads.hpp
index a5ef0dcb2d..70f9e376d5 100644
--- a/src/backends/neon/workloads/NeonWorkloads.hpp
+++ b/src/backends/neon/workloads/NeonWorkloads.hpp
@@ -19,6 +19,7 @@
 #include "NeonMaximumWorkload.hpp"
 #include "NeonMeanWorkload.hpp"
 #include "NeonMergerWorkload.hpp"
+#include "NeonMinimumWorkload.hpp"
 #include "NeonMultiplicationFloatWorkload.hpp"
 #include "NeonNormalizationFloatWorkload.hpp"
 #include "NeonPermuteWorkload.hpp"
-- 
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