1 files changed, 2 insertions, 4 deletions
diff --git a/extractor/rule_factory.cc b/extractor/rule_factory.cc
index 51f85c30..a5505ced 100644
--- a/extractor/rule_factory.cc
+++ b/extractor/rule_factory.cc
@@ -105,8 +105,8 @@ Grammar HieroCachingRuleFactory::GetGrammar(const vector<int>& word_ids) {
   double total_extract_time = 0;
   double total_intersect_time = 0;
   double total_lookup_time = 0;
-  // Clear cache for every new sentence.
-  trie.Reset();
+
+  MatchingsTrie trie;
   shared_ptr<TrieNode> root = trie.GetRoot();
 
   int first_x = vocabulary->GetNonterminalIndex(1);
@@ -200,8 +200,6 @@ Grammar HieroCachingRuleFactory::GetGrammar(const vector<int>& word_ids) {
     }
   }
 
-  cerr << "Vocabulary size = " << vocabulary->Size() << endl;
-
   Clock::time_point stop_time = Clock::now();
   cerr << "Total time for rule lookup, extraction, and scoring = "
        << GetDuration(start_time, stop_time) << " seconds" << endl;