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[Bug c++/53292] multi-threaded (OpenMP) is slower than single-threaded
- From: "fh_p at hotmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 09 May 2012 14:36:00 +0000
- Subject: [Bug c++/53292] multi-threaded (OpenMP) is slower than single-threaded
- Auto-submitted: auto-generated
- References: <bug-53292-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53292
--- Comment #7 from FH <fh_p at hotmail dot com> 2012-05-09 14:36:00 UTC ---
Well...
Still don't really get why it is not possible to improve performance for such
basic things. I tried with allocations up to 7 Gb or more (RAM full + SWAP
full) : I still get the same result that looks unexpected to me ?!
Anyway, I guess I won't be able to get the logic of this...