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[Bug tree-optimization/31090] Revision 121302 causes 30% performance regression
- From: "hjl at lucon dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Jun 2007 14:46:33 -0000
- Subject: [Bug tree-optimization/31090] Revision 121302 causes 30% performance regression
- References: <bug-31090-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #16 from hjl at lucon dot org 2007-06-23 14:46 -------
> HJ, what is the situation w.r.t performance regression after the above patch
> was committed to SVN?
>
I think it still needs tuning. I got the following on Linux/Intel64:
(r125740 - r121297)/r121297
410.bwaves -0.869565%
416.gamess -0.574713%
433.milc -0.840336%
434.zeusmp 3.37838%
435.gromacs -0.214823%
436.cactusADM -0.917431%
437.leslie3d -11.9048%
444.namd -0.671141%
447.dealII -2.33463%
450.soplex -0.675676%
453.povray 2.51256%
454.calculix 25.8675%
459.GemsFDTD 0%
465.tonto 2.14286%
470.lbm -2.75862%
481.wrf 5.94059%
482.sphinx3 0.510204%
SPECfp_base2006 0.757576%
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31090