ClTensorHandleFactory Class Reference

#include <ClTensorHandleFactory.hpp>

Inheritance diagram for ClTensorHandleFactory:

Public Member Functions
	ClTensorHandleFactory (std::shared_ptr< ClMemoryManager > mgr)
std::unique_ptr< ITensorHandle >	CreateSubTensorHandle (ITensorHandle &parent, const TensorShape &subTensorShape, const unsigned int *subTensorOrigin) const override
std::unique_ptr< ITensorHandle >	CreateTensorHandle (const TensorInfo &tensorInfo) const override
std::unique_ptr< ITensorHandle >	CreateTensorHandle (const TensorInfo &tensorInfo, DataLayout dataLayout) const override
std::unique_ptr< ITensorHandle >	CreateTensorHandle (const TensorInfo &tensorInfo, const bool IsMemoryManaged=true) const override
	Utility Functions for backends which require TensorHandles to have unmanaged memory. More...
std::unique_ptr< ITensorHandle >	CreateTensorHandle (const TensorInfo &tensorInfo, DataLayout dataLayout, const bool IsMemoryManaged=true) const override
const FactoryId &	GetId () const override
bool	SupportsSubTensors () const override
MemorySourceFlags	GetExportFlags () const override
MemorySourceFlags	GetImportFlags () const override
Public Member Functions inherited from ITensorHandleFactory
virtual	~ITensorHandleFactory ()
	Some TensorHandleFactory decisions are deferred to run-time. More...
virtual bool	SupportsMapUnmap () const final

Static Public Member Functions
static const FactoryId &	GetIdStatic ()

Static Public Attributes
static const FactoryId	m_Id
Static Public Attributes inherited from ITensorHandleFactory
static const FactoryId	LegacyFactoryId = "armnn_legacy_factory"
static const FactoryId	DeferredFactoryId = "armnn_deferred_factory"
	Use the workload factory to create the tensor handle. More...

Additional Inherited Members
Public Types inherited from ITensorHandleFactory
using	FactoryId = std::string

Detailed Description

Definition at line 17 of file ClTensorHandleFactory.hpp.

Constructor & Destructor Documentation

ClTensorHandleFactory()

ClTensorHandleFactory ( std::shared_ptr< ClMemoryManager >  mgr )

inline

Definition at line 21 of file ClTensorHandleFactory.hpp.

References ClTensorHandleFactory::CreateSubTensorHandle(), ClTensorHandleFactory::CreateTensorHandle(), ClTensorHandleFactory::GetExportFlags(), ClTensorHandleFactory::GetId(), ClTensorHandleFactory::GetIdStatic(), ClTensorHandleFactory::GetImportFlags(), and ClTensorHandleFactory::SupportsSubTensors().

                          : m_MemoryManager(mgr),
                            m_ImportFlags(static_cast<MemorySourceFlags>(MemorySource::Undefined)),
                            m_ExportFlags(static_cast<MemorySourceFlags>(MemorySource::Undefined))
        {}

Member Function Documentation

CreateSubTensorHandle()

std::unique_ptr< ITensorHandle > CreateSubTensorHandle ( ITensorHandle &  parent, const TensorShape &  subTensorShape, const unsigned int *  subTensorOrigin  ) const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 22 of file ClTensorHandleFactory.cpp.

Referenced by ClTensorHandleFactory::ClTensorHandleFactory().

{
    arm_compute::Coordinates coords;
    arm_compute::TensorShape shape = armcomputetensorutils::BuildArmComputeTensorShape(subTensorShape);

    coords.set_num_dimensions(subTensorShape.GetNumDimensions());
    for (unsigned int i = 0; i < subTensorShape.GetNumDimensions(); ++i)
    {
        // Arm compute indexes tensor coords in reverse order.
        unsigned int revertedIndex = subTensorShape.GetNumDimensions() - i - 1;
        coords.set(i, boost::numeric_cast<int>(subTensorOrigin[revertedIndex]));
    }

    const arm_compute::TensorShape parentShape = armcomputetensorutils::BuildArmComputeTensorShape(
            parent.GetShape());
    if (!::arm_compute::error_on_invalid_subtensor(__func__, __FILE__, __LINE__, parentShape, coords, shape))
    {
        return nullptr;
    }

    return std::make_unique<ClSubTensorHandle>(
            boost::polymorphic_downcast<IClTensorHandle *>(&parent), shape, coords);
}

CreateTensorHandle() [1/4]

std::unique_ptr< ITensorHandle > CreateTensorHandle ( const TensorInfo &  tensorInfo ) const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 48 of file ClTensorHandleFactory.cpp.

Referenced by ClTensorHandleFactory::ClTensorHandleFactory(), and ClTensorHandleFactory::CreateTensorHandle().

{
    return ClTensorHandleFactory::CreateTensorHandle(tensorInfo, true);
}

CreateTensorHandle() [2/4]

std::unique_ptr< ITensorHandle > CreateTensorHandle ( const TensorInfo &  tensorInfo, DataLayout  dataLayout  ) const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 53 of file ClTensorHandleFactory.cpp.

References ClTensorHandleFactory::CreateTensorHandle().

{
    return ClTensorHandleFactory::CreateTensorHandle(tensorInfo, dataLayout, true);
}

CreateTensorHandle() [3/4]

std::unique_ptr< ITensorHandle > CreateTensorHandle ( const TensorInfo &  tensorInfo, const bool  IsMemoryManaged = true  ) const

overridevirtual

Utility Functions for backends which require TensorHandles to have unmanaged memory.

These should be overloaded if required to facilitate direct import of input tensors and direct export of output tensors.

Reimplemented from ITensorHandleFactory.

Definition at line 59 of file ClTensorHandleFactory.cpp.

{
    std::unique_ptr<ClTensorHandle> tensorHandle = std::make_unique<ClTensorHandle>(tensorInfo);
    if (IsMemoryManaged)
    {
        tensorHandle->SetMemoryGroup(m_MemoryManager->GetInterLayerMemoryGroup());
    }
    return tensorHandle;
}

CreateTensorHandle() [4/4]

std::unique_ptr< ITensorHandle > CreateTensorHandle ( const TensorInfo &  tensorInfo, DataLayout  dataLayout, const bool  IsMemoryManaged = true  ) const

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 70 of file ClTensorHandleFactory.cpp.

{
    std::unique_ptr<ClTensorHandle> tensorHandle = std::make_unique<ClTensorHandle>(tensorInfo, dataLayout);
    if (IsMemoryManaged)
    {
        tensorHandle->SetMemoryGroup(m_MemoryManager->GetInterLayerMemoryGroup());
    }
    return tensorHandle;
}

GetExportFlags()

MemorySourceFlags GetExportFlags ( ) const

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 98 of file ClTensorHandleFactory.cpp.

Referenced by ClTensorHandleFactory::ClTensorHandleFactory().

{
    return m_ExportFlags;
}

GetId()

const FactoryId & GetId ( ) const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 88 of file ClTensorHandleFactory.cpp.

References ClTensorHandleFactory::GetIdStatic().

Referenced by ClTensorHandleFactory::ClTensorHandleFactory().

{
    return GetIdStatic();
}

GetIdStatic()

const FactoryId & GetIdStatic ( )

static

Definition at line 82 of file ClTensorHandleFactory.cpp.

References armnn::ClTensorHandleFactoryId().

Referenced by ClTensorHandleFactory::ClTensorHandleFactory(), ClBackend::GetHandleFactoryPreferences(), and ClTensorHandleFactory::GetId().

{
    static const FactoryId s_Id(ClTensorHandleFactoryId());
    return s_Id;
}

GetImportFlags()

MemorySourceFlags GetImportFlags ( ) const

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 103 of file ClTensorHandleFactory.cpp.

Referenced by ClTensorHandleFactory::ClTensorHandleFactory().

{
    return m_ImportFlags;
}

SupportsSubTensors()

bool SupportsSubTensors ( ) const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 93 of file ClTensorHandleFactory.cpp.

Referenced by ClTensorHandleFactory::ClTensorHandleFactory().

{
    return true;
}

Member Data Documentation

m_Id

const FactoryId m_Id

static

Definition at line 19 of file ClTensorHandleFactory.hpp.

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

• src/backends/cl/ClTensorHandleFactory.hpp
• src/backends/cl/ClTensorHandleFactory.cpp