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[Bug libstdc++/46659] std::list iterator debugging (_GLIBCXX_DEBUG) is much slower than stlport's one.
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 7 Dec 2010 21:40:45 +0000
- Subject: [Bug libstdc++/46659] std::list iterator debugging (_GLIBCXX_DEBUG) is much slower than stlport's one.
- Auto-submitted: auto-generated
- References: <bug-46659-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46659
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-12-07 21:40:38 UTC ---
With current mainline 200000 elements finishes in 0.1s on my x86_64 system,
which is only 5 times slower than non-debug mode.
That's compared with 5m36s with 4.5's debug mode.
I think it's safe to say FranÃois has fixed it :)