IVGCVSW-5790 Merge async prototype

 * Added thread safe execution mechanism for armnn
 * Removed duplicate function bool Compare(T a, T b, float tolerance)
 * Added StridedSliceAsyncEndToEndTest
 * Fixed memory leak

Signed-off-by: Mike Kelly <mike.kelly@arm.com>
Change-Id: I2d367fc77ee7c01b8953138543e76af5e691211f

1 files changed, 49 insertions, 0 deletions

diff --git a/src/armnn/WorkingMemHandle.cpp b/src/armnn/WorkingMemHandle.cpp
new file mode 100644
index 0000000000..7a901b296b
--- /dev/null
+++ b/src/armnn/WorkingMemHandle.cpp
@@ -0,0 +1,49 @@
+//
+// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "backendsCommon/CpuTensorHandle.hpp"
+#include "WorkingMemHandle.hpp"
+#include "Network.hpp"
+
+namespace armnn
+{
+
+namespace experimental
+{
+
+WorkingMemHandle::WorkingMemHandle(std::vector<WorkingMemDescriptor> workingMemDescriptors,
+                                   std::unordered_map<LayerGuid, WorkingMemDescriptor> workingMemDescriptorMap) :
+    m_WorkingMemDescriptors(workingMemDescriptors),
+    m_WorkingMemDescriptorMap(workingMemDescriptorMap),
+    m_IsAllocated(false),
+    m_Mutex()
+{}
+
+void WorkingMemHandle::FreeWorkingMemory()
+{
+    for (auto workingMemDescriptor : m_WorkingMemDescriptors)
+    {
+        for (auto input : workingMemDescriptor.m_Inputs)
+        {
+            if (input)
+            {
+                delete input;
+                input = nullptr;
+            }
+        }
+        for (auto output : workingMemDescriptor.m_Outputs)
+        {
+            if (output)
+            {
+                delete output;
+                output = nullptr;
+            }
+        }
+    }
+}
+
+} // end experimental namespace
+
+} // end armnn namespace