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//
// Copyright © 2017,2022-2023 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "NeonFullyConnectedWorkload.hpp"
#include "NeonWorkloadUtils.hpp"
#include <aclCommon/ArmComputeTensorUtils.hpp>
#include <aclCommon/ArmComputeUtils.hpp>
#include <armnn/utility/PolymorphicDowncast.hpp>
#include <armnn/backends/TensorHandle.hpp>
#include <arm_compute/runtime/NEON/functions/NEFullyConnectedLayer.h>
namespace armnn
{
using namespace armcomputetensorutils;
using ACLMemManagerOnDemand = std::shared_ptr<arm_compute::MemoryManagerOnDemand>;
arm_compute::Status NeonFullyConnectedWorkloadValidate(const TensorInfo& input,
const TensorInfo& output,
const TensorInfo& weights,
const Optional<TensorInfo>& biases,
const FullyConnectedDescriptor& descriptor,
const ActivationDescriptor* activationDescriptor)
{
const arm_compute::TensorInfo aclInput = BuildArmComputeTensorInfo(input);
const arm_compute::TensorInfo aclOutput = BuildArmComputeTensorInfo(output);
arm_compute::TensorInfo aclWeights = BuildArmComputeTensorInfo(weights);
aclWeights.set_are_values_constant(weights.IsConstant());
arm_compute::TensorInfo aclBiases;
arm_compute::TensorInfo* optionalAclBiases = nullptr;
if (descriptor.m_BiasEnabled)
{
ARMNN_ASSERT(biases.has_value());
// Same for bias as weights. We don't currently support non const.
if (!biases.value().IsConstant())
{
return arm_compute::Status{arm_compute::ErrorCode::RUNTIME_ERROR,
"Arm NN NeonFullyConnectedWorkload does not support non constant bias."};
}
aclBiases = BuildArmComputeTensorInfo(biases.value());
aclBiases.set_are_values_constant(biases.value().IsConstant());
optionalAclBiases = &aclBiases;
}
const arm_compute::FullyConnectedLayerInfo fullyConnectedLayerInfo =
ConvertFullyConnectedDescriptorToAclFullyConnectedLayerInfo(descriptor, activationDescriptor);
return arm_compute::NEFullyConnectedLayer::validate(&aclInput,
&aclWeights,
optionalAclBiases,
&aclOutput,
fullyConnectedLayerInfo);
}
NeonFullyConnectedWorkload::NeonFullyConnectedWorkload(const FullyConnectedQueueDescriptor& descriptor,
const WorkloadInfo& info,
ACLMemManagerOnDemand& memoryManager)
: NeonBaseWorkload<FullyConnectedQueueDescriptor>(descriptor, info)
{
m_Data.ValidateInputsOutputs("NeonFullyConnectedWorkload", descriptor.m_Parameters.GetNumInputs(), 1);
arm_compute::ITensor& input = PolymorphicDowncast<IAclTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
arm_compute::ITensor& weights = PolymorphicDowncast<IAclTensorHandle*>(m_Data.m_Inputs[1])->GetTensor();
m_WeightsTensorInfo = info.m_InputTensorInfos[1];
weights.info()->set_are_values_constant(m_WeightsTensorInfo.IsConstant());
arm_compute::ITensor& output = PolymorphicDowncast<IAclTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
if (m_WeightsTensorInfo.IsConstant())
{
// Copy the weights' tensor into arm_compute tensor.
m_WeightsTensor = std::make_unique<arm_compute::Tensor>();
BuildArmComputeTensor(*m_WeightsTensor, m_WeightsTensorInfo);
m_WeightsTensor->info()->set_are_values_constant(m_WeightsTensorInfo.IsConstant());
}
if (m_Data.m_Parameters.m_BiasEnabled)
{
// Copy the biases tensor into arm_compute tensor.
m_BiasesTensor = std::make_unique<arm_compute::Tensor>();
m_BiasesTensorInfo = info.m_InputTensorInfos[2];
BuildArmComputeTensor(*m_BiasesTensor, m_BiasesTensorInfo);
m_BiasesTensor->info()->set_are_values_constant(m_BiasesTensorInfo.IsConstant());
// We do not support dynamic bias
ARMNN_ASSERT(m_BiasesTensorInfo.IsConstant() == true);
}
const arm_compute::ActivationLayerInfo activationInfo = ConvertAdditionalInfoToAclActivationLayerInfo(descriptor);
arm_compute::FullyConnectedLayerInfo fc_info =
ConvertFullyConnectedDescriptorToAclFullyConnectedLayerInfo(descriptor.m_Parameters, activationInfo);
auto layer = std::make_unique<arm_compute::NEFullyConnectedLayer>(memoryManager);
if (m_WeightsTensorInfo.IsConstant())
{
layer->configure(&input, m_WeightsTensor.get(), m_BiasesTensor.get(), &output, fc_info);
}
else
{
layer->configure(&input, &weights, m_BiasesTensor.get(), &output, fc_info);
}
m_FullyConnectedLayer.reset(layer.release());
// Add details for profiling output
WorkloadInfo detailsInfo;
detailsInfo.m_InputTensorInfos = info.m_InputTensorInfos;
detailsInfo.m_OutputTensorInfos = info.m_OutputTensorInfos;
detailsInfo.m_WeightsTensorInfo = armnn::Optional<armnn::TensorInfo>(info.m_InputTensorInfos[1]);
if (descriptor.m_Parameters.m_BiasEnabled)
{
detailsInfo.m_BiasTensorInfo = armnn::Optional<armnn::TensorInfo>(info.m_InputTensorInfos[2]);
}
// Report Profiling Details
ARMNN_REPORT_PROFILING_WORKLOAD_DESC("NeonFullyConnectedWorkload_Construct",
descriptor.m_Parameters,
detailsInfo,
this->GetGuid());
}
void NeonFullyConnectedWorkload::Execute() const
{
ARMNN_SCOPED_PROFILING_EVENT_NEON_GUID("NeonFullyConnectedWorkload_Execute", this->GetGuid());
// The constant tensors may not be fully in place until the workload is Executed
if (!prepared)
{
if (m_WeightsTensorInfo.IsConstant())
{
InitializeArmComputeTensorData(*m_WeightsTensor, m_WeightsTensorInfo, m_Data.m_Inputs[1]);
m_WeightsTensor->info()->set_are_values_constant(m_WeightsTensorInfo.IsConstant());
}
if (m_Data.m_Parameters.m_BiasEnabled)
{
InitializeArmComputeTensorData(*m_BiasesTensor, m_BiasesTensorInfo, m_Data.m_Inputs[2]);
m_BiasesTensor->info()->set_are_values_constant(m_BiasesTensorInfo.IsConstant());
}
if (m_WeightsTensorInfo.IsConstant())
{
FreeTensorIfUnused(m_WeightsTensor);
}
if (m_BiasesTensorInfo.IsConstant())
{
FreeTensorIfUnused(m_BiasesTensor);
}
prepared = true;
}
m_FullyConnectedLayer->run();
}
} //namespace armnn
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