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[Bug tree-optimization/17863] [4.0/4.1/4.2/4.3 Regression] performance loss (not inlining as much??)
- From: "hubicka at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jan 2008 17:13:54 -0000
- Subject: [Bug tree-optimization/17863] [4.0/4.1/4.2/4.3 Regression] performance loss (not inlining as much??)
- References: <bug-17863-2109@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #34 from hubicka at gcc dot gnu dot org 2008-01-30 17:13 -------
hubicka@occam:/aux/hubicka/trunk-write/buidl2$ time ./test-3.4
real 0m5.692s
user 0m5.588s
sys 0m0.012s
hubicka@occam:/aux/hubicka/trunk-write/buidl2$ time ./test-3.4
real 0m5.536s
user 0m5.492s
sys 0m0.016s
hubicka@occam:/aux/hubicka/trunk-write/buidl2$ time ./a.out
real 0m7.438s
user 0m7.388s
sys 0m0.024s
hubicka@occam:/aux/hubicka/trunk-write/buidl2$ time ./a.out
real 0m7.392s
user 0m7.336s
sys 0m0.008s
This is with current mainline and -O2 -march=athlon-xp. I had to remove two
"static" keywords in explicit template instantiation.
So we still regress here.
Honza
--
hubicka at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2006-02-09 23:14:56 |2008-01-30 17:13:54
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17863