IVGCVSW-3355 Add NeonSpaceToDepthWorkload

 * Add Neon backend support for SpaceToDepth
 * Enabled Neon Unit, CreateWorkload and
   EndToEnd tests for SpaceToDepth.
 * Added QSymm16 support to NeonTensorHandle.

Signed-off-by: Ellen Norris-Thompson <ellen.norris-thompson@arm.com>
Change-Id: Ibbb0bce5ad77dace2bf4c4c111006d2fadf844e8

1 files changed, 58 insertions, 0 deletions

diff --git a/src/backends/neon/workloads/NeonSpaceToDepthWorkload.cpp b/src/backends/neon/workloads/NeonSpaceToDepthWorkload.cpp
new file mode 100644
index 0000000000..a4204b21e6
--- /dev/null
+++ b/src/backends/neon/workloads/NeonSpaceToDepthWorkload.cpp
@@ -0,0 +1,58 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "NeonSpaceToDepthWorkload.hpp"
+#include "NeonWorkloadUtils.hpp"
+#include <ResolveType.hpp>
+
+namespace armnn
+{
+
+using namespace armcomputetensorutils;
+
+arm_compute::Status NeonSpaceToDepthWorkloadValidate(const TensorInfo& input,
+                                                     const TensorInfo& output,
+                                                     const SpaceToDepthDescriptor& descriptor)
+{
+    DataLayout dataLayout = descriptor.m_DataLayout;
+    const arm_compute::TensorInfo aclInput = BuildArmComputeTensorInfo(input, dataLayout);
+    const arm_compute::TensorInfo aclOutput = BuildArmComputeTensorInfo(output, dataLayout);
+
+    int32_t blockSize  = boost::numeric_cast<int32_t>(descriptor.m_BlockSize);
+
+    return arm_compute::NESpaceToDepthLayer::validate(&aclInput, &aclOutput, blockSize);
+}
+
+NeonSpaceToDepthWorkload::NeonSpaceToDepthWorkload(const SpaceToDepthQueueDescriptor& desc,
+                                                   const WorkloadInfo& info)
+    : BaseWorkload<SpaceToDepthQueueDescriptor>(desc, info)
+{
+    m_Data.ValidateInputsOutputs("NeonSpaceToDepthWorkload", 1, 1);
+
+    arm_compute::DataLayout aclDataLayout = ConvertDataLayout(m_Data.m_Parameters.m_DataLayout);
+
+    arm_compute::ITensor& input = boost::polymorphic_downcast<IAclTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
+    input.info()->set_data_layout(aclDataLayout);
+
+    int32_t blockSize = boost::numeric_cast<int32_t>(desc.m_Parameters.m_BlockSize);
+
+    arm_compute::ITensor& output = boost::polymorphic_downcast<IAclTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
+    output.info()->set_data_layout(aclDataLayout);
+
+    m_Layer.reset(new arm_compute::NESpaceToDepthLayer());
+    m_Layer->configure(&input, &output, blockSize);
+    m_Layer->prepare();
+}
+
+void NeonSpaceToDepthWorkload::Execute() const
+{
+    if (m_Layer)
+    {
+        ARMNN_SCOPED_PROFILING_EVENT_NEON("NeonSpaceToDepthWorkload_Execute");
+        m_Layer->run();
+    }
+}
+
+} //namespace armnn
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