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286 lines
9.2 KiB
C++
286 lines
9.2 KiB
C++
// $Id$
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/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2006 University of Edinburgh
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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#ifndef moses_SentenceStats_h
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#define moses_SentenceStats_h
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#include <iostream>
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#include <string>
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#include <vector>
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#include <time.h>
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#include "Timer.h"
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#include "Phrase.h"
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#include "Hypothesis.h"
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#include "TypeDef.h" //FactorArray
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#include "InputType.h"
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#include "Util.h" //Join()
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namespace Moses
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{
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//! Hold info about recombination. Used by SentenceStats class
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struct RecombinationInfo {
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RecombinationInfo() {} //for std::vector
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RecombinationInfo(size_t srcWords, float gProb, float bProb)
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: numSourceWords(srcWords), betterProb(gProb), worseProb(bProb) {}
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size_t numSourceWords;
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float betterProb, worseProb;
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};
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/**
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* stats relating to decoder operation on a given sentence
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*/
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class SentenceStats
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{
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public:
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/***
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* to be called before decoding a sentence
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*/
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SentenceStats(const InputType& source) {
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Initialize(source);
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}
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void Initialize(const InputType& source) {
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m_numHyposCreated = 0;
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m_numHyposPopped = 0;
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m_numHyposPruned = 0;
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m_numHyposDiscarded = 0;
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m_numHyposEarlyDiscarded = 0;
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m_numHyposNotBuilt = 0;
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m_totalSourceWords = source.GetSize();
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m_recombinationInfos.clear();
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m_deletedWords.clear();
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m_insertedWords.clear();
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}
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/***
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* to be called after decoding a sentence
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*/
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void CalcFinalStats(const Hypothesis& bestHypo);
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unsigned int GetTotalHypos() const {
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return m_numHyposCreated + m_numHyposNotBuilt;
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}
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unsigned int GetNumHyposPopped() const {
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return m_numHyposPopped;
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}
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size_t GetNumHyposRecombined() const {
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return m_recombinationInfos.size();
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}
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unsigned int GetNumHyposPruned() const {
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return m_numHyposPruned;
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}
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unsigned int GetNumHyposDiscarded() const {
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return m_numHyposDiscarded;
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}
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unsigned int GetNumHyposEarlyDiscarded() const {
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return m_numHyposEarlyDiscarded;
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}
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unsigned int GetNumHyposNotBuilt() const {
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return m_numHyposNotBuilt;
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}
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double GetTimeCollectOpts() const {
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return m_timeCollectOpts.get_elapsed_time();
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}
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double GetTimeBuildHyp() const {
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return m_timeBuildHyp.get_elapsed_time();
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}
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double GetTimeCalcLM() const {
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return m_timeCalcLM.get_elapsed_time();
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}
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double GetTimeOtherScore() const {
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return m_timeOtherScore.get_elapsed_time();
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}
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double GetTimeEstimateScore() const {
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return m_timeEstimateScore.get_elapsed_time();
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}
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double GetTimeStack() const {
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return m_timeStack.get_elapsed_time();
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}
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double GetTimeSetupCubes() const {
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return m_timeSetupCubes.get_elapsed_time();
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}
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double GetTimeManageCubes() const {
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return m_timeManageCubes.get_elapsed_time();
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}
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double GetTimeTotal() const {
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return m_timeTotal.get_elapsed_time();
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}
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size_t GetTotalSourceWords() const {
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return m_totalSourceWords;
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}
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size_t GetNumWordsDeleted() const {
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return m_deletedWords.size();
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}
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size_t GetNumWordsInserted() const {
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return m_insertedWords.size();
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}
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const std::vector<const Phrase*>& GetDeletedWords() const {
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return m_deletedWords;
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}
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const std::vector<std::string>& GetInsertedWords() const {
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return m_insertedWords;
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}
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void AddRecombination(const Hypothesis& worseHypo, const Hypothesis& betterHypo) {
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m_recombinationInfos.push_back(RecombinationInfo(worseHypo.GetWordsBitmap().GetNumWordsCovered(),
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betterHypo.GetTotalScore(), worseHypo.GetTotalScore()));
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}
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void AddCreated() {
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m_numHyposCreated++;
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}
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void AddPopped() {
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m_numHyposPopped++;
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}
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void AddPruning() {
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m_numHyposPruned++;
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}
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void AddEarlyDiscarded() {
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m_numHyposEarlyDiscarded++;
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}
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void AddNotBuilt() {
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m_numHyposNotBuilt++;
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}
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void AddDiscarded() {
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m_numHyposDiscarded++;
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}
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void StartTimeCollectOpts() {
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m_timeCollectOpts.start();
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}
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void StopTimeCollectOpts() {
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m_timeCollectOpts.stop();
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}
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void StartTimeBuildHyp() {
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m_timeBuildHyp.start();
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}
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void StopTimeBuildHyp() {
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m_timeBuildHyp.stop();
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}
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void StartTimeCalcLM() {
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m_timeCalcLM.start();
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}
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void StopTimeCalcLM() {
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m_timeCalcLM.stop();
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}
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void StartTimeOtherScore() {
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m_timeOtherScore.start();
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}
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void StopTimeOtherScore() {
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m_timeOtherScore.stop();
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}
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void StartTimeEstimateScore() {
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m_timeEstimateScore.start();
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}
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void StopTimeEstimateScore() {
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m_timeEstimateScore.stop();
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}
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void StartTimeSetupCubes() {
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m_timeSetupCubes.start();
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}
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void StopTimeSetupCubes() {
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m_timeSetupCubes.stop();
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}
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void StartTimeManageCubes() {
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m_timeManageCubes.start();
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}
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void StopTimeManageCubes() {
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m_timeManageCubes.stop();
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}
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void StartTimeStack() {
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m_timeStack.start();
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}
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void StopTimeStack() {
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m_timeStack.stop();
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}
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void StartTimeTotal() {
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m_timeTotal.start();
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}
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void StopTimeTotal() {
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m_timeTotal.stop();
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}
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protected:
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/***
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* auxiliary to CalcFinalStats()
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*/
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void AddDeletedWords(const Hypothesis& hypo);
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//hypotheses
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// TODO: Move away from clock_t in favor of just storing doubles of the number of seconds
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// since clock seconds aren't reliable in a multi-threaded environment -Jon
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// (see Manager.cpp for some initial work moving in this direction)
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std::vector<RecombinationInfo> m_recombinationInfos;
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unsigned int m_numHyposCreated;
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unsigned int m_numHyposPopped;
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unsigned int m_numHyposPruned;
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unsigned int m_numHyposDiscarded;
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unsigned int m_numHyposEarlyDiscarded;
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unsigned int m_numHyposNotBuilt;
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Timer m_timeCollectOpts;
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Timer m_timeBuildHyp;
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Timer m_timeEstimateScore;
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Timer m_timeOtherScore;
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Timer m_timeCalcLM;
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Timer m_timeStack;
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Timer m_timeSetupCubes;
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Timer m_timeManageCubes;
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Timer m_timeTotal;
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//words
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size_t m_totalSourceWords;
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std::vector<const Phrase*> m_deletedWords; //count deleted words/phrases in the final hypothesis
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std::vector<std::string> m_insertedWords; //count inserted words in the final hypothesis
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};
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inline std::ostream& operator<<(std::ostream& os, const SentenceStats& ss)
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{
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double totalTime = ss.GetTimeTotal();
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double otherTime = totalTime - (ss.GetTimeCollectOpts() + ss.GetTimeBuildHyp() + ss.GetTimeEstimateScore() + ss.GetTimeCalcLM() + ss.GetTimeOtherScore() + ss.GetTimeStack() + ss.GetTimeSetupCubes() + ss.GetTimeManageCubes());
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return os << "total hypotheses considered = " << ss.GetTotalHypos() << std::endl
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<< " number popped from cube = " << ss.GetNumHyposPopped() << std::endl
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<< " number not built = " << ss.GetNumHyposNotBuilt() << std::endl
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<< " number discarded early = " << ss.GetNumHyposEarlyDiscarded() << std::endl
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<< " number discarded = " << ss.GetNumHyposDiscarded() << std::endl
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<< " number recombined = " << ss.GetNumHyposRecombined() << std::endl
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<< " number pruned = " << ss.GetNumHyposPruned() << std::endl
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<< "time to collect opts " << ss.GetTimeCollectOpts() << " (" << (int)(100 * ss.GetTimeCollectOpts()/totalTime) << "%)" << std::endl
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<< " create hyps " << ss.GetTimeBuildHyp() << " (" << (int)(100 * ss.GetTimeBuildHyp()/totalTime) << "%)" << std::endl
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<< " estimate score " << ss.GetTimeEstimateScore() << " (" << (int)(100 * ss.GetTimeEstimateScore()/totalTime) << "%)" << std::endl
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<< " calc lm " << ss.GetTimeCalcLM() << " (" << (int)(100 * ss.GetTimeCalcLM()/totalTime) << "%)" << std::endl
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<< " other hyp score " << ss.GetTimeOtherScore() << " (" << (int)(100 * ss.GetTimeOtherScore()/totalTime) << "%)" << std::endl
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<< " set up cubes " << ss.GetTimeSetupCubes() << " (" << (int)(100 * ss.GetTimeSetupCubes()/totalTime) << "%)" << std::endl
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<< " manage cubes " << ss.GetTimeManageCubes() << " (" << (int)(100 * ss.GetTimeManageCubes()/totalTime) << "%)" << std::endl
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<< " manage stacks " << ss.GetTimeStack() << " (" << (int)(100 * ss.GetTimeStack()/totalTime) << "%)" << std::endl
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<< " other " << otherTime << " (" << (int)(100 * otherTime/totalTime) << "%)" << std::endl
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<< "total source words = " << ss.GetTotalSourceWords() << std::endl
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<< " words deleted = " << ss.GetNumWordsDeleted() << " (" << Join(" ", ss.GetDeletedWords()) << ")" << std::endl
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<< " words inserted = " << ss.GetNumWordsInserted() << " (" << Join(" ", ss.GetInsertedWords()) << ")" << std::endl;
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}
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}
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#endif
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