From e9185eca390435b4060ef26c7c69d39f994da7a7 Mon Sep 17 00:00:00 2001
From: Julian Andres Klode <jak@debian.org>
Date: Sun, 27 Dec 2015 01:33:38 +0100
Subject: pkgcachegen: Use std::unordered_map instead of std::map

std::unordered_map is faster than std::map in our use case,
reducing cache generation time by about 10% in my benchmark.
---
 apt-pkg/pkgcachegen.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'apt-pkg/pkgcachegen.h')

diff --git a/apt-pkg/pkgcachegen.h b/apt-pkg/pkgcachegen.h
index 328d296bf..9001e334f 100644
--- a/apt-pkg/pkgcachegen.h
+++ b/apt-pkg/pkgcachegen.h
@@ -26,7 +26,7 @@
 
 #include <vector>
 #include <string>
-#include <map>
+#include <unordered_map>
 
 class FileFd;
 class pkgSourceList;
@@ -41,10 +41,10 @@ class APT_HIDDEN pkgCacheGenerator					/*{{{*/
    APT_HIDDEN map_stringitem_t WriteStringInMap(const char *String, const unsigned long &Len);
    APT_HIDDEN map_pointer_t AllocateInMap(const unsigned long &size);
 
-   std::map<std::string,map_stringitem_t> strMixed;
-   std::map<std::string,map_stringitem_t> strSections;
-   std::map<std::string,map_stringitem_t> strPkgNames;
-   std::map<std::string,map_stringitem_t> strVersions;
+   std::unordered_map<std::string,map_stringitem_t> strMixed;
+   std::unordered_map<std::string,map_stringitem_t> strSections;
+   std::unordered_map<std::string,map_stringitem_t> strPkgNames;
+   std::unordered_map<std::string,map_stringitem_t> strVersions;
 
    friend class pkgCacheListParser;
    typedef pkgCacheListParser ListParser;
-- 
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