mirror of
https://github.com/moses-smt/mosesdecoder.git
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45630a5851
speed-up of decoding depends on how much time is spent in parser: 10-50% speed-up for string-to-tree systems observed (more on long sentences and with high max-chart-span). if you only use hiero or string-to-tree models (but none with source syntax), use compile-option --unlabelled-source for (small) efficiency gains.
67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2011 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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#pragma once
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#ifndef moses_ChartRuleLookupManagerOnDisk_h
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#define moses_ChartRuleLookupManagerOnDisk_h
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#include "OnDiskPt/OnDiskWrapper.h"
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#include "ChartRuleLookupManagerCYKPlus.h"
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#include "DotChartOnDisk.h"
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#include "moses/TranslationModel/RuleTable/PhraseDictionaryOnDisk.h"
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#include "moses/ChartParserCallback.h"
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#include "moses/InputType.h"
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namespace Moses
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{
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//! Implementation of ChartRuleLookupManager for on-disk rule tables.
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class ChartRuleLookupManagerOnDisk : public ChartRuleLookupManagerCYKPlus
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{
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public:
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ChartRuleLookupManagerOnDisk(const ChartParser &parser,
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const ChartCellCollectionBase &cellColl,
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const PhraseDictionaryOnDisk &dictionary,
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OnDiskPt::OnDiskWrapper &dbWrapper,
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const std::vector<FactorType> &inputFactorsVec,
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const std::vector<FactorType> &outputFactorsVec,
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const std::string &filePath);
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~ChartRuleLookupManagerOnDisk();
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virtual void GetChartRuleCollection(const WordsRange &range,
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size_t last,
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ChartParserCallback &outColl);
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private:
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const PhraseDictionaryOnDisk &m_dictionary;
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OnDiskPt::OnDiskWrapper &m_dbWrapper;
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const std::vector<FactorType> &m_inputFactorsVec;
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const std::vector<FactorType> &m_outputFactorsVec;
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const std::string &m_filePath;
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std::vector<DottedRuleStackOnDisk*> m_expandableDottedRuleListVec;
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std::map<UINT64, const TargetPhraseCollection*> m_cache;
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std::list<const OnDiskPt::PhraseNode*> m_sourcePhraseNode;
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};
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} // namespace Moses
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#endif
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