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[Bug c++/53292] multi-threaded (OpenMP) is slower than single-threaded
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 09 May 2012 12:15:53 +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
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |jakub at gcc dot gnu.org
Resolution| |INVALID
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-05-09 12:15:53 UTC ---
This is just a bad "test". You are storing the values in the different
threads, but then reading everything in a single thread only.