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[Bug tree-optimization/34265] Missed optimizations
- From: "dominiq at lps dot ens dot fr" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Nov 2007 18:48:50 -0000
- Subject: [Bug tree-optimization/34265] Missed optimizations
- References: <bug-34265-12313@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from dominiq at lps dot ens dot fr 2007-11-28 18:48 -------
Subject: Re: Missed optimizations
With your patch the runtime went from
93.670u 0.103s 1:33.85 99.9% 0+0k 0+0io 32pf+0w
to
38.741u 0.038s 0:38.85 99.7% 0+0k 0+1io 32pf+0w
Pretty impressive!
Note that with gfortran 4.2.2 the timing is
72.451u 0.046s 1:12.59 99.8% 0+0k 1+0io 33pf+0w
I'll run the full polyhedron suite.
Thanks
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34265