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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/97623] [9/10/11 Regression] Extremely slow O2 compile (>>O(n^2))
Date: Fri, 06 Nov 2020 09:52:05 +0000 [thread overview]
Message-ID: <bug-97623-4-SAphsfGJlQ@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-97623-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97623
--- Comment #11 from rguenther at suse dot de <rguenther at suse dot de> ---
On Fri, 6 Nov 2020, wsnyder at wsnyder dot org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97623
>
> --- Comment #10 from Wilson Snyder <wsnyder at wsnyder dot org> ---
> Running -O2 -fno-code-hoisting -ftime-report
>
> and I deleted the 0%/0%/0% lines:
>
> Time variable usr sys wall
> GGC
> tree PRE : 36.36 ( 95%) 0.05 ( 19%) 36.34 ( 94%)
> 32604 kB ( 20%)
OK, that's still all PRE :/ Can you share the full testcase somehow?
next prev parent reply other threads:[~2020-11-06 9:52 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 2:02 [Bug c++/97623] New: " wsnyder at wsnyder dot org
2020-10-29 2:03 ` [Bug c++/97623] " wsnyder at wsnyder dot org
2020-10-29 7:17 ` [Bug tree-optimization/97623] [9/10/11 Regression] " rguenth at gcc dot gnu.org
2020-10-29 7:18 ` rguenth at gcc dot gnu.org
2020-10-30 12:35 ` rguenth at gcc dot gnu.org
2020-10-30 12:35 ` rguenth at gcc dot gnu.org
2020-10-30 13:25 ` cvs-commit at gcc dot gnu.org
2020-10-30 13:28 ` rguenth at gcc dot gnu.org
2020-10-30 13:55 ` wsnyder at wsnyder dot org
2020-11-03 14:16 ` rguenth at gcc dot gnu.org
2020-11-03 15:23 ` cvs-commit at gcc dot gnu.org
2020-11-06 1:50 ` wsnyder at wsnyder dot org
2020-11-06 9:52 ` rguenther at suse dot de [this message]
2020-11-06 12:37 ` wsnyder at wsnyder dot org
2020-11-06 13:00 ` rguenth at gcc dot gnu.org
2020-11-06 13:19 ` marxin at gcc dot gnu.org
2020-11-06 13:28 ` rguenth at gcc dot gnu.org
2020-11-06 13:45 ` rguenth at gcc dot gnu.org
2020-11-11 11:51 ` cvs-commit at gcc dot gnu.org
2020-11-11 16:11 ` tschwinge at gcc dot gnu.org
2020-11-11 17:17 ` cvs-commit at gcc dot gnu.org
2020-12-07 13:03 ` [Bug tree-optimization/97623] [9/10 " rguenth at gcc dot gnu.org
2021-01-11 13:37 ` cvs-commit at gcc dot gnu.org
2021-01-11 13:37 ` cvs-commit at gcc dot gnu.org
2021-01-11 13:39 ` [Bug tree-optimization/97623] [9 " rguenth at gcc dot gnu.org
2021-06-01 8:18 ` rguenth at gcc dot gnu.org
2022-05-27 8:56 ` rguenth at gcc dot gnu.org
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