ClDepthwiseConvolutionWorkload Class Reference

#include <ClDepthwiseConvolutionWorkload.hpp>

Inheritance diagram for ClDepthwiseConvolutionWorkload:

Public Member Functions
	ClDepthwiseConvolutionWorkload (const DepthwiseConvolution2dQueueDescriptor &descriptor, const WorkloadInfo &info)
void	Execute () const override
Public Member Functions inherited from BaseWorkload< DepthwiseConvolution2dQueueDescriptor >
	BaseWorkload (const DepthwiseConvolution2dQueueDescriptor &descriptor, const WorkloadInfo &info)
void	PostAllocationConfigure () override
const DepthwiseConvolution2dQueueDescriptor &	GetData () const
profiling::ProfilingGuid	GetGuid () const final
Public Member Functions inherited from IWorkload
virtual	~IWorkload ()
virtual void	RegisterDebugCallback (const DebugCallbackFunction &)

Protected Member Functions
void	FreeUnusedTensors ()

Protected Attributes
std::unique_ptr< arm_compute::IFunction >	m_DepthwiseConvolutionLayer
std::unique_ptr< arm_compute::CLTensor >	m_KernelTensor
std::unique_ptr< arm_compute::CLTensor >	m_BiasTensor
Protected Attributes inherited from BaseWorkload< DepthwiseConvolution2dQueueDescriptor >
const DepthwiseConvolution2dQueueDescriptor	m_Data
const profiling::ProfilingGuid	m_Guid

Detailed Description

Definition at line 23 of file ClDepthwiseConvolutionWorkload.hpp.

Constructor & Destructor Documentation

ClDepthwiseConvolutionWorkload()

ClDepthwiseConvolutionWorkload	(	const DepthwiseConvolution2dQueueDescriptor &	descriptor,
		const WorkloadInfo &	info
	)

Definition at line 70 of file ClDepthwiseConvolutionWorkload.cpp.

References armnn::ConvertWeightTensorFromArmnnToAcl(), TensorInfo::GetNumBytes(), ConstCpuTensorHandle::GetTensorInfo(), BaseWorkload< DepthwiseConvolution2dQueueDescriptor >::m_Data, DepthwiseConvolution2dDescriptor::m_DataLayout, ClDepthwiseConvolutionWorkload::m_KernelTensor, QueueDescriptorWithParameters< LayerDescriptor >::m_Parameters, and DepthwiseConvolution2dQueueDescriptor::m_Weight.

    : BaseWorkload<DepthwiseConvolution2dQueueDescriptor>(descriptor, info)
{
    // Allocate a buffer for the swizzling of the weight tensor
    std::unique_ptr<unsigned char[]> permuteBuffer(new unsigned char[m_Data.m_Weight->GetTensorInfo().GetNumBytes()]);

    // Convert the weight format from ArmNN's [ M, I, H, W ] (does NOT depend on the data layout) to either
    // [ 1, H, W, I * M ] (if NHWC) or [ 1, I * M, H, W ] (if NCHW), as required by the compute library
    ConstTensor weightPermuted = ConvertWeightTensorFromArmnnToAcl(m_Data.m_Weight,
                                                                   m_Data.m_Parameters.m_DataLayout,
                                                                   permuteBuffer.get());

    // Convert the weights into the compute library format
    m_KernelTensor = std::make_unique<arm_compute::CLTensor>();
    BuildArmComputeTensor(*m_KernelTensor, weightPermuted.GetInfo(), m_Data.m_Parameters.m_DataLayout);

    if (m_Data.m_Parameters.m_BiasEnabled)
    {
        m_BiasTensor = std::make_unique<arm_compute::CLTensor>();
        BuildArmComputeTensor(*m_BiasTensor, m_Data.m_Bias->GetTensorInfo(), m_Data.m_Parameters.m_DataLayout);
    }

    const arm_compute::Size2D aclDilationInfo = BuildArmComputeSize2D(
                m_Data.m_Parameters.m_DilationX,
                m_Data.m_Parameters.m_DilationY);


    std::string name = std::string("ClDepthwiseConvolutionWorkload");
    m_Data.ValidateInputsOutputs(name, 1, 1);

    arm_compute::ICLTensor& input  = static_cast<IClTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
    arm_compute::ICLTensor& output = static_cast<IClTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();

    arm_compute::DataLayout aclDataLayout = ConvertDataLayout(m_Data.m_Parameters.m_DataLayout);
    input.info()->set_data_layout(aclDataLayout);
    output.info()->set_data_layout(aclDataLayout);

    // ArmNN's weight format is [ M, I, H, W ]
    auto& weightInfo = m_Data.m_Weight->GetTensorInfo();

    // Get the depth multiplier
    const unsigned int depthMultiplier = weightInfo.GetShape()[0];

    arm_compute::PadStrideInfo padStrideInfo = BuildArmComputePadStrideInfo(m_Data.m_Parameters);

    m_DepthwiseConvolutionLayer = std::make_unique<arm_compute::CLDepthwiseConvolutionLayer>();
    static_cast<arm_compute::CLDepthwiseConvolutionLayer*>(m_DepthwiseConvolutionLayer.get())->configure(
        &input,
        m_KernelTensor.get(),
        m_BiasTensor.get(),
        &output,
        padStrideInfo,
        depthMultiplier,
        arm_compute::ActivationLayerInfo(),
        aclDilationInfo);

    ARMNN_ASSERT(m_DepthwiseConvolutionLayer);

    ScopedCpuTensorHandle weightsPermutedHandle(weightPermuted);
    InitializeArmComputeClTensorData(*m_KernelTensor, &weightsPermutedHandle);

    if (m_BiasTensor)
    {
        InitializeArmComputeClTensorData(*m_BiasTensor, m_Data.m_Bias);
    }

    m_DepthwiseConvolutionLayer->prepare();
    FreeUnusedTensors();
}

Member Function Documentation

Execute()

void Execute ( ) const

overridevirtual

Implements IWorkload.

Definition at line 148 of file ClDepthwiseConvolutionWorkload.cpp.

References ARMNN_ASSERT, ARMNN_SCOPED_PROFILING_EVENT_CL, CHECK_LOCATION, ClDepthwiseConvolutionWorkload::m_DepthwiseConvolutionLayer, and armnn::RunClFunction().

{
    ARMNN_SCOPED_PROFILING_EVENT_CL("ClDepthwiseConvolutionWorkload_Execute");
    ARMNN_ASSERT(m_DepthwiseConvolutionLayer);

    RunClFunction(*m_DepthwiseConvolutionLayer, CHECK_LOCATION());
}

FreeUnusedTensors()

void FreeUnusedTensors ( )

protected

Definition at line 142 of file ClDepthwiseConvolutionWorkload.cpp.

{
    FreeTensorIfUnused(m_KernelTensor);
    FreeTensorIfUnused(m_BiasTensor);
}

Member Data Documentation

m_BiasTensor

std::unique_ptr<arm_compute::CLTensor> m_BiasTensor

protected

Definition at line 37 of file ClDepthwiseConvolutionWorkload.hpp.

m_DepthwiseConvolutionLayer

std::unique_ptr<arm_compute::IFunction> m_DepthwiseConvolutionLayer

protected

Definition at line 34 of file ClDepthwiseConvolutionWorkload.hpp.

Referenced by ClDepthwiseConvolutionWorkload::Execute().

m_KernelTensor

std::unique_ptr<arm_compute::CLTensor> m_KernelTensor

protected

Definition at line 36 of file ClDepthwiseConvolutionWorkload.hpp.

Referenced by ClDepthwiseConvolutionWorkload::ClDepthwiseConvolutionWorkload().

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

• src/backends/cl/workloads/ClDepthwiseConvolutionWorkload.hpp
• src/backends/cl/workloads/ClDepthwiseConvolutionWorkload.cpp