IVGCVSW-6298 'IMemoryOptimizerStrategy Add declarations and constant layer strategy'

* Added IMemoryOptimizerStrategy interface
* Added ConstLayerMemoryOptimizer strategy

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I6a92e659379e5cc39c375b669678eee8a8c08c20

1 files changed, 31 insertions, 0 deletions

diff --git a/src/backends/backendsCommon/memoryOptimizationStrategies/ConstLayerMemoryOptimizerStrategy.hpp b/src/backends/backendsCommon/memoryOptimizationStrategies/ConstLayerMemoryOptimizerStrategy.hpp
new file mode 100644
index 0000000000..3f803abe87
--- /dev/null
+++ b/src/backends/backendsCommon/memoryOptimizationStrategies/ConstLayerMemoryOptimizerStrategy.hpp
@@ -0,0 +1,31 @@
+//
+// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include <armnn/Types.hpp>
+#include <armnn/backends/IMemoryOptimizerStrategy.hpp>
+
+namespace armnn
+{
+// ConstLayerMemoryOptimizer: Create a unique MemBin for each MemBlock and assign it an offset of 0
+class ConstLayerMemoryOptimizerStrategy : public IMemoryOptimizerStrategy
+{
+public:
+    ConstLayerMemoryOptimizerStrategy()
+    : m_Name(std::string("ConstLayerMemoryOptimizerStrategy"))
+    , m_MemBlockStrategyType(MemBlockStrategyType::SingleAxisPacking) {}
+
+    std::string GetName() const override;
+
+    MemBlockStrategyType GetMemBlockStrategyType() const override;
+
+    std::vector<MemBin> Optimize(std::vector<MemBlock>& memBlocks) override;
+
+private:
+    std::string m_Name;
+    MemBlockStrategyType m_MemBlockStrategyType;
+};
+
+} // namespace armnn
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