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bugfix in context hash

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This commit is contained in:
Ales Tamchyna 2016-03-23 17:37:19 +01:00
parent c7a1d21abd
commit 073f9c5656
1 changed files with 4 additions and 3 deletions
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7
moses/FF/VW/VW.cpp
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@ -108,20 +108,21 @@ FFState* VW::EvaluateWhenApplied(
Discriminative::Classifier &classifier = *m_tlsClassifier->GetStored();
// extract target context features
const Phrase &targetContext = prevVWState.GetPhrase();
size_t contextHash = prevVWState.hash();
FeatureVectorMap &contextFeaturesCache = *m_tlsTargetContextFeatures->GetStored();
FeatureVectorMap::const_iterator contextIt = contextFeaturesCache.find(cacheKey);
FeatureVectorMap::const_iterator contextIt = contextFeaturesCache.find(contextHash);
if (contextIt == contextFeaturesCache.end()) {
// we have not extracted features for this context yet
const Phrase &targetContext = prevVWState.GetPhrase();
Discriminative::FeatureVector contextVector;
AlignmentInfo alignInfo("");
for(size_t i = 0; i < contextFeatures.size(); ++i)
(*contextFeatures[i])(input, targetContext, alignInfo, classifier, contextVector);
contextFeaturesCache[cacheKey] = contextVector;
contextFeaturesCache[contextHash] = contextVector;
VERBOSE(3, "VW :: context cache miss\n");
} else {
// context already in cache, simply put feature IDs in the classifier object