NeonTensorHandleFactory Class Reference

#include <NeonTensorHandleFactory.hpp>

Inheritance diagram for NeonTensorHandleFactory:

Public Member Functions
	NeonTensorHandleFactory (std::weak_ptr< NeonMemoryManager > 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) 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
std::vector< Capability >	GetCapabilities (const IConnectableLayer *layer, const IConnectableLayer *connectedLayer, CapabilityClass capabilityClass) 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 ()

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

Detailed Description

Definition at line 35 of file NeonTensorHandleFactory.hpp.

Constructor & Destructor Documentation

NeonTensorHandleFactory()

NeonTensorHandleFactory ( std::weak_ptr< NeonMemoryManager >  mgr )

inline

Definition at line 38 of file NeonTensorHandleFactory.hpp.

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

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

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 19 of file NeonTensorHandleFactory.cpp.

Referenced by NeonTensorHandleFactory::NeonTensorHandleFactory().

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

    arm_compute::Coordinates coords;
    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<NeonSubTensorHandle>(
            PolymorphicDowncast<IAclTensorHandle*>(&parent), shape, coords);
}

CreateTensorHandle() [1/4]

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

overridevirtual

Implements ITensorHandleFactory.

Definition at line 46 of file NeonTensorHandleFactory.cpp.

Referenced by BOOST_AUTO_TEST_CASE(), NeonTensorHandleFactory::CreateTensorHandle(), and NeonTensorHandleFactory::NeonTensorHandleFactory().

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

CreateTensorHandle() [2/4]

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

overridevirtual

Implements ITensorHandleFactory.

Definition at line 51 of file NeonTensorHandleFactory.cpp.

References NeonTensorHandleFactory::CreateTensorHandle().

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

CreateTensorHandle() [3/4]

std::unique_ptr< ITensorHandle > CreateTensorHandle ( const TensorInfo &  tensorInfo, const bool  IsMemoryManaged  ) 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 57 of file NeonTensorHandleFactory.cpp.

References NeonTensorHandleFactory::GetImportFlags().

{
    auto tensorHandle = std::make_unique<NeonTensorHandle>(tensorInfo);
    if (IsMemoryManaged)
    {
        tensorHandle->SetMemoryGroup(m_MemoryManager->GetInterLayerMemoryGroup());
    }
    // If we are not Managing the Memory then we must be importing
    tensorHandle->SetImportEnabledFlag(!IsMemoryManaged);
    tensorHandle->SetImportFlags(GetImportFlags());

    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 72 of file NeonTensorHandleFactory.cpp.

References NeonTensorHandleFactory::GetImportFlags().

{
    auto tensorHandle = std::make_unique<NeonTensorHandle>(tensorInfo, dataLayout);
    if (IsMemoryManaged)
    {
        tensorHandle->SetMemoryGroup(m_MemoryManager->GetInterLayerMemoryGroup());
    }
    // If we are not Managing the Memory then we must be importing
    tensorHandle->SetImportEnabledFlag(!IsMemoryManaged);
    tensorHandle->SetImportFlags(GetImportFlags());

    return tensorHandle;
}

GetCapabilities()

std::vector< Capability > GetCapabilities ( const IConnectableLayer *  layer, const IConnectableLayer *  connectedLayer, CapabilityClass  capabilityClass  )

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 114 of file NeonTensorHandleFactory.cpp.

References armnn::IgnoreUnused(), armnn::PaddingRequired, and armnn::paddingRequiredLayers.

Referenced by NeonTensorHandleFactory::NeonTensorHandleFactory().

{
    IgnoreUnused(connectedLayer);
    std::vector<Capability> capabilities;
    if (capabilityClass == CapabilityClass::PaddingRequired)
    {
        auto search = paddingRequiredLayers.find((PolymorphicDowncast<const Layer*>(layer))->GetType());
        if ( search != paddingRequiredLayers.end())
        {
            Capability paddingCapability(CapabilityClass::PaddingRequired, true);
            capabilities.push_back(paddingCapability);
        }
    }
    return capabilities;
}

GetExportFlags()

MemorySourceFlags GetExportFlags ( ) const

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 104 of file NeonTensorHandleFactory.cpp.

Referenced by NeonTensorHandleFactory::NeonTensorHandleFactory().

{
    return m_ExportFlags;
}

GetId()

const FactoryId & GetId ( ) const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 94 of file NeonTensorHandleFactory.cpp.

References NeonTensorHandleFactory::GetIdStatic().

Referenced by NeonTensorHandleFactory::NeonTensorHandleFactory().

{
    return GetIdStatic();
}

GetIdStatic()

const FactoryId & GetIdStatic ( )

static

Definition at line 88 of file NeonTensorHandleFactory.cpp.

References armnn::NeonTensorHandleFactoryId().

Referenced by NeonTensorHandleFactory::GetId(), and NeonTensorHandleFactory::NeonTensorHandleFactory().

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

GetImportFlags()

MemorySourceFlags GetImportFlags ( ) const

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 109 of file NeonTensorHandleFactory.cpp.

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

{
    return m_ImportFlags;
}

SupportsSubTensors()

bool SupportsSubTensors ( ) const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 99 of file NeonTensorHandleFactory.cpp.

Referenced by NeonTensorHandleFactory::NeonTensorHandleFactory().

{
    return true;
}

---

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

• src/backends/neon/NeonTensorHandleFactory.hpp
• src/backends/neon/NeonTensorHandleFactory.cpp