use unordered_map instead of map for sake of speed

[simgrid.git] / src / surf / plugins / energy.hpp

diff --git a/src/surf/plugins/energy.hpp b/src/surf/plugins/energy.hpp
index b854921..59db005 100644 (file)
--- a/src/surf/plugins/energy.hpp
+++ b/src/surf/plugins/energy.hpp
@@ -8,7 +8,7 @@
 
 #include <xbt/base.h>
 
-#include <map>
+#include <utility>
 
 #include "src/surf/HostImpl.hpp"