| // |
| // Copyright © 2017 Arm Ltd and Contributors. All rights reserved. |
| // SPDX-License-Identifier: MIT |
| // |
| |
| #include "NeonConvertFp32ToFp16Workload.hpp" |
| |
| #include <Half.hpp> |
| #include <Profiling.hpp> |
| |
| #include <armnnUtils/FloatingPointConverter.hpp> |
| |
| #include <backendsCommon/WorkloadUtils.hpp> |
| |
| namespace armnn |
| { |
| |
| NeonConvertFp32ToFp16Workload::NeonConvertFp32ToFp16Workload(const ConvertFp32ToFp16QueueDescriptor& descriptor, |
| const WorkloadInfo& info) |
| : Float32ToFloat16Workload<ConvertFp32ToFp16QueueDescriptor>(descriptor, info) |
| { |
| this->m_Data.ValidateInputsOutputs("NeonConvertFp32ToFp16Workload", 1, 1); |
| GatherTensorHandlePairs(descriptor, m_TensorHandlePairs); |
| } |
| |
| void NeonConvertFp32ToFp16Workload::Execute() const |
| { |
| ARMNN_SCOPED_PROFILING_EVENT_NEON_GUID("NeonConvertFp32ToFp16Workload_Execute", this->GetGuid()); |
| |
| auto convertFunc = [](uint8_t* dst, const uint8_t* src, size_t size) |
| { |
| auto input = reinterpret_cast<const float*>(src); |
| auto output = reinterpret_cast<Half*>(dst); |
| size_t numElements = size/2; // 2 bytes per fp16 |
| armnnUtils::FloatingPointConverter::ConvertFloat32To16(input, numElements, output); |
| }; |
| |
| for (const auto& pair : m_TensorHandlePairs) |
| { |
| CopyTensorContentsGeneric(pair.first, pair.second, convertFunc); |
| } |
| } |
| |
| void NeonConvertFp32ToFp16Workload::ReplaceInputTensorHandle(ITensorHandle* tensorHandle, unsigned int slot) |
| { |
| ITensorHandle* backupHandle = this->m_Data.m_Inputs[slot]; |
| this->m_Data.m_Inputs[slot] = tensorHandle; |
| try |
| { |
| Reconfigure(); |
| } |
| catch(armnn::UnimplementedException& e) |
| { |
| // Cannot reconfigure, revert the slot back and throw the exception. |
| this->m_Data.m_Inputs[slot] = backupHandle; |
| throw e; |
| } |
| } |
| |
| // Replace output tensor handle with the given TensorHandle |
| void NeonConvertFp32ToFp16Workload::ReplaceOutputTensorHandle(ITensorHandle* tensorHandle, unsigned int slot) |
| { |
| ITensorHandle* backupHandle = this->m_Data.m_Inputs[slot]; |
| this->m_Data.m_Inputs[slot] = tensorHandle; |
| try |
| { |
| Reconfigure(); |
| } |
| catch(armnn::UnimplementedException& e) |
| { |
| // Cannot reconfigure, revert the slot back and throw the exception. |
| this->m_Data.m_Inputs[slot] = backupHandle; |
| throw e; |
| } |
| } |
| |
| void NeonConvertFp32ToFp16Workload::Reconfigure() |
| { |
| throw armnn::UnimplementedException("Reconfigure not implemented for this workload"); |
| } |
| |
| } //namespace armnn |