moses-smt/mosesdecoder
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add optional LM statistics reporting. enable with '-L true' on command line

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git-svn-id: https://mosesdecoder.svn.sourceforge.net/svnroot/mosesdecoder/trunk@737 1f5c12ca-751b-0410-a591-d2e778427230
This commit is contained in:
redpony 2006-08-14 22:44:01 +00:00
parent b7a7b4286f
commit da207d0016
1 changed files with 35 additions and 1 deletions
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36
moses-cmd/src/TranslationAnalysis.cpp
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@ -24,6 +24,11 @@ void PrintTranslationAnalysis(std::ostream &os, const Hypothesis* hypo)
++tpi; // skip initial translation state
std::vector<std::string> sourceMap;
std::vector<std::string> targetMap;
std::vector<unsigned int> lmAcc(0);
size_t lmCalls = 0;
bool doLMStats = ((*tpi)->_lmstats != 0);
if (doLMStats)
lmAcc.resize((*tpi)->_lmstats->size(), 0);
for (; tpi != translationPath.end(); ++tpi) {
std::ostringstream sms;
std::ostringstream tms;
@ -31,6 +36,25 @@ void PrintTranslationAnalysis(std::ostream &os, const Hypothesis* hypo)
std::string source = (*tpi)->GetSourcePhraseStringRep();
WordsRange twr = (*tpi)->GetCurrTargetWordsRange();
WordsRange swr = (*tpi)->GetCurrSourceWordsRange();
// language model backoff stats,
if (doLMStats) {
std::vector<std::vector<unsigned int> >& lmstats = *(*tpi)->_lmstats;
std::vector<std::vector<unsigned int> >::iterator i = lmstats.begin();
std::vector<unsigned int>::iterator acc = lmAcc.begin();
// std::cerr << "\n";
for (; i != lmstats.end(); ++i, ++acc) {
std::vector<unsigned int>::iterator j = i->begin();
lmCalls += i->size();
// std::cerr << "lm: ";
for (; j != i->end(); ++j) {
// std::cerr << *j << " ";
(*acc) += *j;
}
// std::cerr << " (total=" << *acc << ", lmcalls=" << lmCalls << ")" << std::endl;
}
}
bool epsilon = false;
if (target == "") {
target="<EPSILON>";
@ -64,7 +88,17 @@ void PrintTranslationAnalysis(std::ostream &os, const Hypothesis* hypo)
for (; ti != targetMap.end(); ++ti) {
os << " " << *ti;
}
os << std::endl;
os << std::endl << std::endl;
if (doLMStats && lmCalls > 0) {
std::vector<unsigned int>::iterator acc = lmAcc.begin();
const LMList& lmlist = StaticData::Instance()->GetAllLM();
LMList::const_iterator i = lmlist.begin();
for (; acc != lmAcc.end(); ++acc, ++i) {
char buf[256];
sprintf(buf, "%.4f", (double)(*acc)/(double)lmCalls);
os << (*i)->GetScoreProducerDescription() <<", AVG N-GRAM LENGTH: " << buf << std::endl;
}
}
if (droppedWords.size() > 0) {
std::vector<std::string>::iterator dwi = droppedWords.begin();