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[Bug c++/14809] performance depends on allocation methods
- From: "falk at debian dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 Apr 2004 15:34:55 -0000
- Subject: [Bug c++/14809] performance depends on allocation methods
- References: <20040401120607.14809.boeck@fhi-berlin.mpg.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From falk at debian dot org 2004-04-01 15:34 -------
Compiler flags don't have any effect on this. I was suggesting to
examine alignment and try to adjust it manually. Also check
coalignment with respect to cache line index, maybe you have a one-way
associative cache and get collisions.
In any case, it seems unlikely that gcc can do much about this.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14809