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git-svn-id: https://mosesdecoder.svn.sourceforge.net/svnroot/mosesdecoder/trunk@669 1f5c12ca-751b-0410-a591-d2e778427230

1 files changed, 4 insertions, 4 deletions

diff --git a/irstlm/src/ngramcache.cpp b/irstlm/src/ngramcache.cpp
index ea8e309c2..3b9ea1e2f 100644
--- a/irstlm/src/ngramcache.cpp
+++ b/irstlm/src/ngramcache.cpp
@@ -34,8 +34,8 @@ ngramcache::ngramcache(int n,int size,int maxentries){
       infosize=size;
       maxn=maxentries;
       entries=0;
-      ht=new htable(maxn * 2, ngsize * sizeof(int),INT,NULL); //load factor 2   
-      mp=new mempool(ngsize * sizeof(int)+infosize,maxn/10); 
+      ht=new htable(maxn * 5, ngsize * sizeof(int),INT,NULL); //lower load factor to reduce collisions 
+      mp=new mempool(ngsize * sizeof(int)+infosize,maxn/5); 
       accesses=0;
       hits=0;
     };
@@ -50,8 +50,8 @@ ngramcache::~ngramcache(){
 void ngramcache::reset(){
     ht->stat();
     delete ht;delete mp;    
-    ht=new htable(maxn * 2, ngsize * sizeof(int),INT,NULL); //load factor 2   
-    mp=new mempool(ngsize * sizeof(int)+infosize,maxn/10); 
+    ht=new htable(maxn * 5, ngsize * sizeof(int),INT,NULL); //load factor 2   
+    mp=new mempool(ngsize * sizeof(int)+infosize,maxn/5); 
     entries=0;
   }