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//
// Copyright © 2020 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <backendsCommon/CpuTensorHandle.hpp>
#include "SampleMemoryManager.hpp"
namespace armnn
{
// An implementation of ITensorHandle with simple "bump the pointer" memory-management behaviour
class SampleTensorHandle : public ITensorHandle
{
public:
SampleTensorHandle(const TensorInfo& tensorInfo, std::shared_ptr<SampleMemoryManager> &memoryManager);
SampleTensorHandle(const TensorInfo& tensorInfo,
std::shared_ptr<SampleMemoryManager> &memoryManager,
MemorySourceFlags importFlags);
~SampleTensorHandle();
virtual void Manage() override;
virtual void Allocate() override;
virtual ITensorHandle* GetParent() const override
{
return nullptr;
}
virtual const void* Map(bool /* blocking = true */) const override;
using ITensorHandle::Map;
virtual void Unmap() const override
{}
TensorShape GetStrides() const override
{
return GetUnpaddedTensorStrides(m_TensorInfo);
}
TensorShape GetShape() const override
{
return m_TensorInfo.GetShape();
}
const TensorInfo& GetTensorInfo() const
{
return m_TensorInfo;
}
virtual MemorySourceFlags GetImportFlags() const override
{
return m_ImportFlags;
}
virtual bool Import(void* memory, MemorySource source) override;
private:
void* GetPointer() const;
SampleTensorHandle(const SampleTensorHandle& other) = delete; // noncopyable
SampleTensorHandle& operator=(const SampleTensorHandle& other) = delete; //noncopyable
TensorInfo m_TensorInfo;
std::shared_ptr<SampleMemoryManager> m_MemoryManager;
SampleMemoryManager::Pool* m_Pool;
mutable void *m_UnmanagedMemory;
MemorySourceFlags m_ImportFlags;
bool m_Imported;
};
}
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