125 строки
3.8 KiB
C++
125 строки
3.8 KiB
C++
//
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// <copyright file="Eval.cpp" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//
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// Eval.cpp : Defines the exported functions for the DLL application.
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//
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#define _CRT_SECURE_NO_WARNINGS // "secure" CRT not available on all platforms --add this at the top of all CPP files that give "function or variable may be unsafe" warnings
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#include "stdafx.h"
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#include "Basics.h"
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#define EVAL_LOCAL
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#include "Eval.h"
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namespace Microsoft { namespace MSR { namespace CNTK {
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template<class ElemType>
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std::string GetEvalName(ElemType)
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{std::string empty; return empty;}
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template<> std::string GetEvalName(float) {std::string name = "GetEvalF"; return name;}
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template<> std::string GetEvalName(double) {std::string name = "GetEvalD"; return name;}
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template<class ElemType>
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void Eval<ElemType>::Init(const std::string& /*config*/)
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{
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throw std::logic_error("Init shouldn't be called, use constructor");
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// not implemented, calls the underlying class instead
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}
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// Destroy - cleanup and remove this class
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// NOTE: this destroys the object, and it can't be used past this point
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template<class ElemType>
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void Eval<ElemType>::Destroy()
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{
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m_eval->Destroy();
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}
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// Eval Constructor
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template<class ElemType>
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void Eval<ElemType>::GetEvalClass(const std::string& config)
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{
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typedef void (*GetEvalProc)(IEvaluateModel<ElemType>** peval);
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// initialize just in case
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m_eval = NULL;
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std::wstring module = L"CNTKEval";
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// get the name for the dll we want to use, default to CNTKEval.dll
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std::string::size_type found = config.find("evaluator=");
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if (found != std::string::npos)
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{
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std::string::size_type end = config.find_first_of("\n \t", found);
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if (end != std::string::npos)
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{
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module = msra::strfun::utf16(config.substr(found, end-found));
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}
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}
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// create a variable of each type just to call the proper templated version
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ElemType elemType = ElemType();
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GetEvalProc getEvalProc = (GetEvalProc)Plugin::Load(module, GetEvalName(elemType));
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getEvalProc(&m_eval);
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}
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// Eval Constructor
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// options - [in] string of options (i.e. "-windowsize:11 -addenergy") data reader specific
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template<class ElemType>
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Eval<ElemType>::Eval(const std::string& config)
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{
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GetEvalClass(config);
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m_eval->Init(config);
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}
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// destructor - cleanup temp files, etc.
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template<class ElemType>
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Eval<ElemType>::~Eval()
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{
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// free up resources
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if (m_eval != NULL)
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{
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m_eval->Destroy();
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m_eval = NULL;
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}
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}
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// LoadModel - load a model from the specified path
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// modelFileName - file holding the model to load
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template<class ElemType>
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void Eval<ElemType>::LoadModel(const std::wstring& modelFileName)
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{
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m_eval->LoadModel(modelFileName);
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}
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// GetNodeDimensions - Get the node dimensions of the specified nodes
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// dimensions - map from name of node to dimension of the node
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// nodeGroup - type of node we are requesting (input/output/specified)
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template<class ElemType>
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void Eval<ElemType>::GetNodeDimensions(std::map<std::wstring, size_t>& dimensions, NodeGroup nodeGroup)
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{
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m_eval->GetNodeDimensions(dimensions, nodeGroup);
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}
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// Evaluate - Evalute using the model with the given inputs and outputs
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// inputs - map from node name to input vector
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// outputs - map from node name to output vector, outputs vectors need to be preallocated by caller, sizing will happen during evaluation
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template<class ElemType>
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void Eval<ElemType>::Evaluate(std::map<std::wstring, std::vector<ElemType>*>& inputs, std::map<std::wstring, std::vector<ElemType>*>& outputs)
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{
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m_eval->Evaluate(inputs, outputs);
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}
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// ResetState - Reset the cell state when we get the start of an utterance
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template<class ElemType>
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void Eval<ElemType>::ResetState()
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{
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m_eval->ResetState();
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}
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//The explicit instantiation
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template class Eval<double>;
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template class Eval<float>;
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}}} |