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//
// Copyright © 2020 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <armnn/backends/IMemoryManager.hpp>
#include <forward_list>
#include <vector>
namespace sdb // sample dynamic backend
{
// An implementation of IMemoryManager to be used with SampleTensorHandle
class SampleMemoryManager : public armnn::IMemoryManager
{
public:
SampleMemoryManager();
virtual ~SampleMemoryManager();
class Pool;
Pool* Manage(unsigned int numBytes);
void Allocate(Pool *pool);
void* GetPointer(Pool *pool);
void Acquire() override;
void Release() override;
class Pool
{
public:
Pool(unsigned int numBytes);
~Pool();
void Acquire();
void Release();
void* GetPointer();
void Reserve(unsigned int numBytes);
private:
unsigned int m_Size;
void* m_Pointer;
};
private:
SampleMemoryManager(const SampleMemoryManager&) = delete; // Noncopyable
SampleMemoryManager& operator=(const SampleMemoryManager&) = delete; // Noncopyable
std::forward_list<Pool> m_Pools;
std::vector<Pool*> m_FreePools;
};
} // namespace sdb
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