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45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#ifndef moses_SearchNormalBatch_h
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#define moses_SearchNormalBatch_h
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#include "SearchNormal.h"
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#include "SentenceStats.h"
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namespace Moses
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{
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class Manager;
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class InputType;
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class TranslationOptionCollection;
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/** Implements the phrase-based stack decoding algorithm (no cube pruning) with a twist...
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* Language model requests are batched together, duplicate requests are removed, and requests are sent together.
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* Useful for distributed LM where network latency is an issue.
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*/
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class SearchNormalBatch: public SearchNormal
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{
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protected:
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// Added for asynclm decoding.
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std::vector<const StatelessFeatureFunction*> m_stateless_ffs;
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std::map<int, LanguageModel*> m_dlm_ffs;
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std::map<int, StatefulFeatureFunction*> m_stateful_ffs;
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std::vector<Hypothesis*> m_partial_hypos;
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uint32_t m_batch_size;
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int m_max_stack_size;
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// functions for creating hypotheses
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void ExpandHypothesis(const Hypothesis &hypothesis,const TranslationOption &transOpt, float expectedScore);
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void EvalAndMergePartialHypos();
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public:
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SearchNormalBatch(Manager& manager, const InputType &source, const TranslationOptionCollection &transOptColl);
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~SearchNormalBatch();
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void ProcessSentence();
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};
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}
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#endif
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