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244 lines
8.1 KiB
244 lines
8.1 KiB
//==============================================================================
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//
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// Copyright (c) 2015-2020 Qualcomm Technologies, Inc.
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// All Rights Reserved.
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// Confidential and Proprietary - Qualcomm Technologies, Inc.
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//
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//==============================================================================
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#ifndef _SNPE_SNPE_HPP_
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#define _SNPE_SNPE_HPP_
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#include "DlSystem/DlOptional.hpp"
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#include "DlSystem/DlVersion.hpp"
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#include "DlSystem/IBufferAttributes.hpp"
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#include "DlSystem/ITensor.hpp"
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#include "DlSystem/TensorShape.hpp"
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#include "DlSystem/TensorMap.hpp"
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#include "DlSystem/String.hpp"
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#include "DlSystem/StringList.hpp"
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#include "DlSystem/IUserBuffer.hpp"
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#include "DlSystem/UserBufferMap.hpp"
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#include "DlSystem/ZdlExportDefine.hpp"
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namespace zdl {
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namespace SNPE
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{
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class SnpeRuntime;
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}
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}
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namespace zdl {
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namespace DiagLog
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{
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class IDiagLog;
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}
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}
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namespace zdl { namespace SNPE {
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/** @addtogroup c_plus_plus_apis C++
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@{ */
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/**
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* @brief .
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*
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* The SNPE interface class definition
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*/
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class ZDL_EXPORT SNPE final
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{
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public:
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// keep this undocumented to be hidden in doxygen using HIDE_UNDOC_MEMBERS
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explicit SNPE(std::unique_ptr<zdl::SNPE::SnpeRuntime>&& runtime) noexcept;
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~SNPE();
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/**
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* @brief Gets the names of input tensors to the network
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*
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* To support multiple input scenarios, where multiple tensors are
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* passed through execute() in a TensorMap, each tensor needs to
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* be uniquely named. The names of tensors can be retrieved
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* through this function.
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*
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* In the case of a single input, one name will be returned.
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*
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* @note Note that because the returned value is an Optional list,
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* the list must be verified as boolean true value before being
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* dereferenced.
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*
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* @return An Optional List of input tensor names.
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*
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* @see zdl::DlSystem::Optional
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*/
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zdl::DlSystem::Optional<zdl::DlSystem::StringList>
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getInputTensorNames() const noexcept;
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/**
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* @brief Gets the names of output tensors to the network
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*
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* @return List of output tensor names.
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*/
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zdl::DlSystem::Optional<zdl::DlSystem::StringList>
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getOutputTensorNames() const noexcept;
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/**
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* @brief Gets the name of output tensor from the input layer name
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*
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* @return Output tensor name.
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*/
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zdl::DlSystem::StringList
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getOutputTensorNamesByLayerName(const char *name) const noexcept;
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/**
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* @brief Processes the input data and returns the output
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*
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* @param[in] A map of tensors that contains the input data for
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* each input. The names of tensors needs to be
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* matched with names retrieved through
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* getInputTensorNames()
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*
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* @param[in,out] An empty map of tensors that will contain the output
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* data of potentially multiple layers (the key
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* in the map is the layer name) upon return
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*
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* @note output tensormap has to be empty. To forward propagate
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* and get results in user-supplied tensors, use
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* executeWithSuppliedOutputTensors.
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*/
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bool execute(const zdl::DlSystem::TensorMap &input,
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zdl::DlSystem::TensorMap &output) noexcept;
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/**
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* @brief Processes the input data and returns the output
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*
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* @param[in] A single tensor contains the input data.
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*
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* @param[in,out] An empty map of tensors that will contain the output
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* data of potentially multiple layers (the key
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* in the map is the layer name) upon return
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*
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* @note output tensormap has to be empty.
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*/
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bool execute(const zdl::DlSystem::ITensor *input,
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zdl::DlSystem::TensorMap &output) noexcept;
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/**
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* @brief Processes the input data and returns the output, using
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* user-supplied buffers
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*
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* @param[in] A map of UserBuffers that contains the input data for
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* each input. The names of UserBuffers needs to be
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* matched with names retrieved through
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* getInputTensorNames()
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*
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* @param[in,out] A map of UserBuffers that will hold the output
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* data of potentially multiple layers (the key
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* in the map is the UserBuffer name)
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*
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* @note input and output UserBuffer maps must be fully pre-populated. with
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* dimensions matching what the network expects.
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* For example, if there are 5 output UserBuffers they all have to be
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* present in map.
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*
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* Caller must guarantee that for the duration of execute(), the buffer
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* stored in UserBuffer would remain valid. For more detail on buffer
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* ownership and lifetime requirements, please refer to zdl::DlSystem::UserBuffer
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* documentation.
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*/
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bool execute(const zdl::DlSystem::UserBufferMap &input,
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const zdl::DlSystem::UserBufferMap &output) noexcept;
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/**
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* @brief Returns the version string embedded at model conversion
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* time.
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*
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* @return Model version string, which is a free-form string
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* supplied at the time of the conversion
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*
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*/
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zdl::DlSystem::String getModelVersion() const noexcept;
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/**
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* @brief Returns the dimensions of the input data to the model in the
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* form of TensorShape. The dimensions in TensorShape corresponds to
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* what the tensor dimensions would need to be for an input tensor to
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* the model.
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*
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* @param[in] layer input name.
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*
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* @note Note that this function only makes sense for networks
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* that have a fixed input size. For networks in which the
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* input size varies with each call of Execute(), this
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* function should not be used.
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*
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* @note Because the returned type is an Optional instance, it must
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* be verified as a boolean true value before being dereferenced.
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*
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* @return An Optional instance of TensorShape that maintains dimensions,
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* matching the tensor dimensions for input to the model,
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* where the last entry is the fastest varying dimension, etc.
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*
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* @see zdl::DlSystem::ITensor
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* @see zdl::DlSystem::TensorShape
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* @see zdl::DlSystem::Optional
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*/
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zdl::DlSystem::Optional<zdl::DlSystem::TensorShape>
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getInputDimensions() const noexcept;
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zdl::DlSystem::Optional<zdl::DlSystem::TensorShape>
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getInputDimensions(const char *name) const noexcept;
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/**
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* @brief Gets the output layer(s) for the network.
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*
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* Note that the output layers returned by this function may be
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* different than those specified when the network was created
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* via the zdl::SNPE::SNPEBuilder. For example, if the
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* network was created in debug mode with no explicit output
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* layers specified, this will contain all layers.
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*
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* @note Note that because the returned value is an Optional StringList,
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* the list must be verified as a boolean true value before being
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* dereferenced.
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*
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* @return A List of output layer names.
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*
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* @see zdl::DlSystem::Optional
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*/
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zdl::DlSystem::Optional<zdl::DlSystem::StringList>
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getOutputLayerNames() const noexcept;
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/**
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* @brief Returns attributes of buffers used to feed input tensors and receive result from output tensors.
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*
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* @param[in] Tensor name.
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*
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* @return BufferAttributes of input/output tensor named
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*/
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zdl::DlSystem::Optional<zdl::DlSystem::IBufferAttributes*> getInputOutputBufferAttributes(const char *name) const noexcept;
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zdl::DlSystem::Optional<zdl::DlSystem::IBufferAttributes*> getInputOutputBufferAttributesTf8(const char *name) const noexcept;
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/**
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* @brief .
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*
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* Get the diagnostic logging interface
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*
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* @note Note that because the returned type is an Optional instance,
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* it must be verified as a boolean true value before being
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* dereferenced.
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*
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* @see zdl::DlSystem::Optional
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*/
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zdl::DlSystem::Optional<zdl::DiagLog::IDiagLog*>
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getDiagLogInterface() noexcept;
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private:
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SNPE(const SNPE&) = delete;
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SNPE& operator=(const SNPE&) = delete;
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std::unique_ptr<SnpeRuntime> m_Runtime;
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};
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/** @} */ /* end_addtogroup c_plus_plus_apis C++ */
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}}
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#endif
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