[Bug libstdc++/51078] [PATCH] performance improvement of std::count algorithm

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51078

--- Comment #17 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-11-12 
12:14:06 UTC ---
Created attachment 25804
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25804
Some numbers: i7-980X, mainline, -Ofast -funroll-loops, -march=native