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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <armnn/Types.hpp>
#include <armnn/IRuntime.hpp>
namespace armnn
{
class ITensorHandleFactory
{
public:
using FactoryId = std::string;
static const FactoryId LegacyFactoryId; // Use the workload factory to create the tensor handle
static const FactoryId DeferredFactoryId; // Some TensorHandleFactory decisions are deferred to run-time
virtual ~ITensorHandleFactory() {}
virtual std::unique_ptr<ITensorHandle> CreateSubTensorHandle(ITensorHandle& parent,
TensorShape const& subTensorShape,
unsigned int const* subTensorOrigin) const = 0;
virtual std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo) const = 0;
virtual const FactoryId GetId() const = 0;
virtual bool SupportsSubTensors() const = 0;
virtual bool SupportsMapUnmap() const final { return true; }
virtual bool SupportsExport() const final { return false; }
virtual bool SupportsImport() const final { return false; }
};
enum class MemoryStrategy
{
Undefined,
DirectCompatibility, // Only allocate the tensorhandle using the assigned factory
CopyToTarget, // Default + Insert MemCopy node before target
ExportToTarget, // Default + Insert Import node
};
} //namespace armnn
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