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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/66002] paq8p benchmark 50% slower than clang on sandybridge Date: Mon, 04 May 2015 12:47:00 -0000 [thread overview] Message-ID: <bug-66002-4-oStOgNwPgb@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-66002-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66002 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- gprof tells me Each sample counts as 0.01 seconds. % cumulative self self total time seconds seconds calls s/call s/call name 67.13 25.40 25.40 2097192 0.00 0.00 contextModel2() 18.08 32.24 6.84 18874735 0.00 0.00 ContextMap::mix1(Mixer&, int, int, int, int) 9.46 35.82 3.58 2097192 0.00 0.00 Mixer::p() 2.72 36.85 1.03 14680344 0.00 0.00 APM1::p(int, int, int) 0.53 37.05 0.20 2097192 0.00 0.00 dmcModel(Mixer&) probably not too interesting (inlining). I wonder if you can run clang++ with vectorization disabled?
next prev parent reply other threads:[~2015-05-04 12:47 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-05-04 7:20 [Bug tree-optimization/66002] New: " trippels at gcc dot gnu.org 2015-05-04 12:47 ` rguenth at gcc dot gnu.org [this message] 2015-05-04 12:55 ` [Bug tree-optimization/66002] " trippels at gcc dot gnu.org 2015-05-04 13:43 ` rguenth at gcc dot gnu.org 2015-05-04 13:57 ` rguenth at gcc dot gnu.org 2015-05-04 14:06 ` rguenth at gcc dot gnu.org 2015-05-04 14:11 ` trippels at gcc dot gnu.org 2015-05-06 11:51 ` rguenth at gcc dot gnu.org 2015-05-06 12:13 ` rguenth at gcc dot gnu.org 2015-05-07 9:53 ` rguenth at gcc dot gnu.org 2015-05-07 9:54 ` rguenth at gcc dot gnu.org
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