Index: src/plugins/codecompletion/ccoptionsdlg.cpp
===================================================================
--- src/plugins/codecompletion/ccoptionsdlg.cpp    (revision 6194)
+++ src/plugins/codecompletion/ccoptionsdlg.cpp    (working copy)
@@ -119,8 +119,8 @@
     XRCCTRL(*this, "sliderDelay", wxSlider)->SetValue(timerDelay / 100);
     UpdateSliderLabel();
 
-    const ConfigManagerContainer::StringToStringMap& repl = Tokenizer::GetTokenReplacementsMap();
-    ConfigManagerContainer::StringToStringMap::const_iterator it = repl.begin();
+    const wxStringHashMap& repl = Tokenizer::GetTokenReplacementsMap();
+    wxStringHashMap::const_iterator it = repl.begin();
     while (it != repl.end())
     {
         XRCCTRL(*this, "lstRepl", wxListBox)->Append(it->first + _T(" -> ") + it->second);
Index: src/plugins/codecompletion/codecompletion.cpp
===================================================================
--- src/plugins/codecompletion/codecompletion.cpp    (revision 6194)
+++ src/plugins/codecompletion/codecompletion.cpp    (working copy)
@@ -188,10 +188,8 @@
 void CodeCompletion::LoadTokenReplacements()
 {
     ConfigManager* cfg = Manager::Get()->GetConfigManager(_T("code_completion"));
+    ConfigManagerContainer::StringToStringMap repl;
 
-    ConfigManagerContainer::StringToStringMap& repl = Tokenizer::GetTokenReplacementsMap();
-    repl.clear();
-
     if (!cfg->Exists(_T("token_replacements")))
     {
         // first run; add default replacements string
@@ -208,13 +206,21 @@
     }
     else
         cfg->Read(_T("token_replacements"), &repl);
+    
+    Tokenizer::ConvertToHashReplacementMap(repl);
 }
 
 void CodeCompletion::SaveTokenReplacements()
 {
     ConfigManager* cfg = Manager::Get()->GetConfigManager(_T("code_completion"));
 
-    const ConfigManagerContainer::StringToStringMap& repl = Tokenizer::GetTokenReplacementsMap();
+    const wxStringHashMap& hashRepl = Tokenizer::GetTokenReplacementsMap();
+    ConfigManagerContainer::StringToStringMap repl;
+    wxStringHashMap::const_iterator it = hashRepl.begin();
+    for (; it != hashRepl.end(); it++)
+    {
+        repl[it->first] = it->second;
+    }
     cfg->Write(_T("token_replacements"), repl);
 }
 
Index: src/plugins/codecompletion/parser/tokenizer.cpp
===================================================================
--- src/plugins/codecompletion/parser/tokenizer.cpp    (revision 6194)
+++ src/plugins/codecompletion/parser/tokenizer.cpp    (working copy)
@@ -37,7 +37,7 @@
 };
 
 // static
-ConfigManagerContainer::StringToStringMap Tokenizer::s_Replacements;
+wxStringHashMap Tokenizer::s_Replacements;
 
 Tokenizer::Tokenizer(const wxString& filename)
     : m_Filename(filename),
@@ -789,7 +789,7 @@
 
 wxString Tokenizer::MacroReplace(const wxString str)
 {
-    ConfigManagerContainer::StringToStringMap::const_iterator it = s_Replacements.find(str);
+    wxStringHashMap::const_iterator it = s_Replacements.find(str);
 
     if (it != s_Replacements.end())
     {
Index: src/plugins/codecompletion/parser/tokenizer.h
===================================================================
--- src/plugins/codecompletion/parser/tokenizer.h    (revision 6194)
+++ src/plugins/codecompletion/parser/tokenizer.h    (working copy)
@@ -7,10 +7,39 @@
 #define TOKENIZER_H
 
 #include <wx/string.h>
+#include <wx/hashmap.h>
 #include <configmanager.h>
 #include <filemanager.h>
 
+class HashForWxStringMap
+{
+public:
+    HashForWxStringMap() {}
+    unsigned long operator()(const wxString& x) const
+    {
+        const size_t len = x.length();
+        const size_t intWxChar = sizeof(unsigned int) / sizeof(wxChar);
+        const size_t shortWxChar = sizeof(unsigned short) / sizeof(wxChar);
+        if (len >= intWxChar)
+            return size_t((128 ^ len) + *((unsigned int*)(x.c_str() + len - intWxChar)));
+        else if (len >= shortWxChar)
+            return size_t((256 ^ len) + *((unsigned short*)(x.c_str() + len - shortWxChar)));
+        else
+            return size_t((512 ^ len) + *(x.c_str() + len - 1));
+    }
+    HashForWxStringMap& operator=(const HashForWxStringMap&) { return *this; }
+};
 
+class EqualForWxStringMap
+{
+public:
+    EqualForWxStringMap() { }
+    bool operator()(const wxString& a, const wxString& b) const { return a == b; }
+    EqualForWxStringMap& operator=(const EqualForWxStringMap&) { return *this; }
+};
+
+WX_DECLARE_HASH_MAP(wxString, wxString, HashForWxStringMap, EqualForWxStringMap, wxStringHashMap);
+
 enum TokenizerState
 {
     tsSkipEqual        = 0x0001,
@@ -100,20 +129,29 @@
 
     static void SetReplacementString(const wxString& from, const wxString& to)
     {
-        s_Replacements.insert(s_Replacements.end(), std::make_pair(from, to));
+        s_Replacements[from] = to;
     };
 
     static void RemoveReplacementString(const wxString& from)
     {
-        ConfigManagerContainer::StringToStringMap::iterator it = s_Replacements.find(from);
+        wxStringHashMap::iterator it =
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