src/backends/neon/workloads/NeonActivationWorkload.cpp

   1 //
   2 // Copyright © 2017 Arm Ltd. All rights reserved.
   3 // SPDX-License-Identifier: MIT
   4 //
   5
   6 #include "NeonActivationWorkload.hpp"
   7 #include <aclCommon/ArmComputeUtils.hpp>
   8
   9 namespace armnn
  10 {
  11
  12 arm_compute::Status NeonActivationWorkloadValidate(const TensorInfo& input,
  13                                                    const TensorInfo& output,
  14                                                    const ActivationDescriptor& descriptor)
  15 {
  16     const arm_compute::TensorInfo aclInput = armcomputetensorutils::BuildArmComputeTensorInfo(input);
  17     const arm_compute::TensorInfo aclOutput = armcomputetensorutils::BuildArmComputeTensorInfo(output);
  18
  19     const arm_compute::ActivationLayerInfo activationLayerInfo =
  20         ConvertActivationDescriptorToAclActivationLayerInfo(descriptor);
  21
  22     if (input.GetDataType() == DataType::QuantisedAsymm8 &&
  23         activationLayerInfo.activation() == arm_compute::ActivationLayerInfo::ActivationFunction::LOGISTIC)
  24     {
  25         return arm_compute::Status{arm_compute::ErrorCode::RUNTIME_ERROR,
  26                                    "Neon: Logistic Activations unsupported with QAsymm8 data type."};
  27     }
  28
  29     return arm_compute::NEActivationLayer::validate(&aclInput,
  30                                                     &aclOutput,
  31                                                     activationLayerInfo);
  32 }
  33
  34 NeonActivationWorkload::NeonActivationWorkload(const ActivationQueueDescriptor& descriptor,
  35                                                const WorkloadInfo& info)
  36     : BaseWorkload<ActivationQueueDescriptor>(descriptor, info)
  37 {
  38     m_Data.ValidateInputsOutputs("NeonActivationWorkload", 1, 1);
  39
  40     const arm_compute::ActivationLayerInfo activationLayerInfo =
  41         ConvertActivationDescriptorToAclActivationLayerInfo(m_Data.m_Parameters);
  42
  43     arm_compute::ITensor& input = boost::polymorphic_downcast<INeonTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
  44     arm_compute::ITensor& output = boost::polymorphic_downcast<INeonTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
  45
  46     m_ActivationLayer.configure(&input, &output, activationLayerInfo);
  47 }
  48
  49 void NeonActivationWorkload::Execute() const
  50 {
  51     ARMNN_SCOPED_PROFILING_EVENT_NEON("NeonActivationWorkload_Execute");
  52     m_ActivationLayer.run();
  53 }
  54
  55 } //namespace armnn