ScopedTensorHandle Class Reference

#include <TensorHandle.hpp>

Inheritance diagram for ScopedTensorHandle:

Collaboration diagram for ScopedTensorHandle:

Public Member Functions
	ScopedTensorHandle (const TensorInfo &tensorInfo)
	ScopedTensorHandle (const ConstTensor &tensor)
	ScopedTensorHandle (const ConstTensorHandle &tensorHandle)
	ScopedTensorHandle (const ScopedTensorHandle &other)
ScopedTensorHandle &	operator= (const ScopedTensorHandle &other)
	~ScopedTensorHandle ()
virtual void	Allocate () override
	Indicate to the memory manager that this resource is no longer active. More...
Public Member Functions inherited from TensorHandle
template<typename T >
T *	GetTensor () const
template<>
void *	GetTensor () const
template<>
void *	GetTensor () const
Public Member Functions inherited from ConstTensorHandle
template<typename T >
const T *	GetConstTensor () const
const TensorInfo &	GetTensorInfo () const
virtual void	Manage () override
	Indicate to the memory manager that this resource is active. More...
virtual ITensorHandle *	GetParent () const override
	Get the parent tensor if this is a subtensor. More...
virtual const void *	Map (bool) const override
	Map the tensor data for access. More...
virtual void	Unmap () const override
	Unmap the tensor data. More...
TensorShape	GetStrides () const override
	Get the strides for each dimension ordered from largest to smallest where the smallest value is the same as the size of a single element in the tensor. More...
TensorShape	GetShape () const override
	Get the number of elements for each dimension ordered from slowest iterating dimension to fastest iterating dimension. More...
template<>
const void *	GetConstTensor () const
template<>
const void *	GetConstTensor () const
Public Member Functions inherited from ITensorHandle
virtual	~ITensorHandle ()
void *	Map (bool blocking=true)
	Map the tensor data for access. More...
void	Unmap ()
	Unmap the tensor data that was previously mapped with call to Map(). More...
virtual unsigned int	GetImportFlags () const
	Get flags describing supported import sources. More...
virtual bool	Import (void *memory, MemorySource source)
	Import externally allocated memory. More...
virtual bool	CanBeImported (void *memory, MemorySource source)
	Implementations must determine if this memory block can be imported. More...
virtual void	Unimport ()
	Unimport externally allocated memory. More...
virtual std::shared_ptr< ITensorHandle >	DecorateTensorHandle (const TensorInfo &tensorInfo)
	Returns a decorated version of this TensorHandle allowing us to override the TensorInfo for it. More...

Additional Inherited Members
Protected Member Functions inherited from TensorHandle
	TensorHandle (const TensorInfo &tensorInfo)
void	SetMemory (void *mem)
Protected Member Functions inherited from ConstTensorHandle
	ConstTensorHandle (const TensorInfo &tensorInfo)
void	SetConstMemory (const void *mem)

Detailed Description

Definition at line 115 of file TensorHandle.hpp.

Constructor & Destructor Documentation

ScopedTensorHandle() [1/4]

ScopedTensorHandle ( const TensorInfo &  tensorInfo )

explicit

Definition at line 55 of file TensorHandle.cpp.

: TensorHandle(tensorInfo)
{
}

ScopedTensorHandle() [2/4]

ScopedTensorHandle ( const ConstTensor &  tensor )

explicit

Definition at line 60 of file TensorHandle.cpp.

: ScopedTensorHandle(tensor.GetInfo())
{
    CopyFrom(tensor.GetMemoryArea(), tensor.GetNumBytes());
}

References BaseTensor< MemoryType >::GetMemoryArea(), and BaseTensor< MemoryType >::GetNumBytes().

ScopedTensorHandle() [3/4]

ScopedTensorHandle ( const ConstTensorHandle &  tensorHandle )

explicit

Definition at line 66 of file TensorHandle.cpp.

: ScopedTensorHandle(tensorHandle.GetTensorInfo())
{
    CopyFrom(tensorHandle.GetConstTensor<void>(), tensorHandle.GetTensorInfo().GetNumBytes());
}

References ConstTensorHandle::GetConstTensor(), TensorInfo::GetNumBytes(), and ConstTensorHandle::GetTensorInfo().

ScopedTensorHandle() [4/4]

ScopedTensorHandle

(

const ScopedTensorHandle &

other

)

Definition at line 72 of file TensorHandle.cpp.

: TensorHandle(other.GetTensorInfo())
{
    CopyFrom(other);
}

~ScopedTensorHandle()

~ScopedTensorHandle

(

)

Definition at line 86 of file TensorHandle.cpp.

{
    ::operator delete(GetTensor<void>());
}

Member Function Documentation

Allocate()

void Allocate ( )

overridevirtual

Indicate to the memory manager that this resource is no longer active.

This is used to compute overlapping lifetimes of resources.

Implements ITensorHandle.

Definition at line 91 of file TensorHandle.cpp.

{
    if (GetTensor<void>() == nullptr)
    {
        SetMemory(::operator new(GetTensorInfo().GetNumBytes()));
    }
    else
    {
        throw InvalidArgumentException("TensorHandle::Allocate Trying to allocate a TensorHandle"
            "that already has allocated memory.");
    }
}

References ConstTensorHandle::GetTensorInfo(), and TensorHandle::SetMemory().

operator=()

ScopedTensorHandle & operator=

(

const ScopedTensorHandle &

other

)

Definition at line 78 of file TensorHandle.cpp.

{
    ::operator delete(GetTensor<void>());
    SetMemory(nullptr);
    CopyFrom(other);
    return *this;
}

References TensorHandle::SetMemory().

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The documentation for this class was generated from the following files:

• include/armnn/backends/TensorHandle.hpp
• src/backends/backendsCommon/TensorHandle.cpp