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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/39326] Segmentation fault with -O1, out of memory with -O2
Date: Tue, 20 Feb 2024 13:14:26 +0000 [thread overview]
Message-ID: <bug-39326-4-XNDD1EwKod@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-39326-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39326
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2019-03-05 00:00:00 |2024-2-20
--- Comment #62 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #61)
> r12-7592, first testcase, x86_64:
>
> -O0: 6s, 1GB
>
> -O1: 264s, 1.4GB
>
> callgraph ipa passes : 30.47 ( 12%)
> alias stmt walking : 67.44 ( 26%)
> tree loop invariant motion : 120.86 ( 46%)
>
> -O2: 1383s, 11.8GB
>
> alias stmt walking : 174.01 ( 13%)
> tree PRE : 87.85 ( 6%)
> tree loop invariant motion : 130.54 ( 9%)
> tree slp vectorization : 100.01 ( 7%)
> PRE : 716.64 ( 52%)
>
> quite some regression on the peak memory usage side here.
r14-9064
-O2: 683s, 5GB
alias stmt walking : 95.35 ( 14%)
tree PRE : 58.27 ( 9%)
tree loop invariant motion : 75.47 ( 11%)
PRE : 335.15 ( 49%)
so improvements on the memory usage side. -O1 didn't change.
next prev parent reply other threads:[~2024-02-20 13:14 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-39326-4@http.gcc.gnu.org/bugzilla/>
2013-03-06 11:08 ` steven at gcc dot gnu.org
2013-03-06 11:38 ` rguenth at gcc dot gnu.org
2013-03-06 16:50 ` sergstesh at yahoo dot com
2013-03-06 23:39 ` steven at gcc dot gnu.org
2013-03-07 0:08 ` steven at gcc dot gnu.org
2013-03-07 0:27 ` steven at gcc dot gnu.org
2013-03-07 8:10 ` steven at gcc dot gnu.org
2013-03-07 8:45 ` rguenther at suse dot de
2013-03-07 8:48 ` rguenther at suse dot de
2013-03-07 8:53 ` rguenther at suse dot de
2013-03-07 9:58 ` steven at gcc dot gnu.org
2013-03-07 10:14 ` sergstesh at yahoo dot com
2013-03-07 10:15 ` rguenther at suse dot de
2013-03-07 17:14 ` sergstesh at yahoo dot com
2013-03-07 17:31 ` steven at gcc dot gnu.org
2013-03-07 17:34 ` steven at gcc dot gnu.org
2013-03-07 21:48 ` sergstesh at yahoo dot com
2013-03-07 22:16 ` steven at gcc dot gnu.org
2013-03-07 23:19 ` steven at gcc dot gnu.org
2013-03-08 9:14 ` rguenth at gcc dot gnu.org
2013-03-08 9:14 ` rguenth at gcc dot gnu.org
2013-03-08 9:23 ` rguenther at suse dot de
2013-03-09 14:58 ` steven at gcc dot gnu.org
2013-03-09 17:26 ` steven at gcc dot gnu.org
2013-03-11 9:40 ` steven at gcc dot gnu.org
2013-03-12 10:47 ` rguenth at gcc dot gnu.org
2013-03-12 14:05 ` rguenth at gcc dot gnu.org
2013-03-15 16:07 ` rguenth at gcc dot gnu.org
2013-03-18 8:44 ` rguenth at gcc dot gnu.org
2013-03-21 20:04 ` jakub at gcc dot gnu.org
2013-03-22 14:01 ` rguenth at gcc dot gnu.org
2013-03-26 10:10 ` rguenth at gcc dot gnu.org
2014-01-15 15:14 ` rguenth at gcc dot gnu.org
2014-01-17 13:53 ` rguenth at gcc dot gnu.org
2022-03-10 15:05 ` rguenth at gcc dot gnu.org
2024-02-20 13:14 ` rguenth at gcc dot gnu.org [this message]
2009-02-28 15:23 [Bug c/39326] New: " sergstesh at yahoo dot com
2009-03-02 17:16 ` [Bug middle-end/39326] " pinskia at gcc dot gnu dot org
2009-03-03 13:36 ` sergstesh at yahoo dot com
2009-03-03 13:49 ` rguenther at suse dot de
2009-03-03 14:15 ` sergstesh at yahoo dot com
2009-03-17 11:05 ` rguenth at gcc dot gnu dot org
2009-03-17 12:42 ` rguenth at gcc dot gnu dot org
2009-03-17 12:59 ` rguenth at gcc dot gnu dot org
2009-03-17 13:10 ` rguenth at gcc dot gnu dot org
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