public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "sergos.gnu at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/54717] New: Runtime regression: polyhedron test "rnflow" degraded
Date: Wed, 26 Sep 2012 12:54:00 -0000 [thread overview]
Message-ID: <bug-54717-4@http.gcc.gnu.org/bugzilla/> (raw)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54717
Bug #: 54717
Summary: Runtime regression: polyhedron test "rnflow" degraded
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: sergos.gnu@gmail.com
commit 024fee2c369096e6fe6cde620243df5843893004
Author: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu Sep 13 12:43:58 2012 +0000
2012-09-13 Richard Guenther <rguenther@suse.de>
* tree-ssa-sccvn.h (enum vn_kind): New.
(vn_get_stmt_kind): Likewise.
* tree-ssa-sccvn.c (vn_get_stmt_kind): New function, adjust
ADDR_EXPR handling.
(visit_use): Use it.
* tree-ssa-pre.c (compute_avail): Likewise, simplify further.
* gcc.dg/tree-ssa/ssa-fre-37.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@191253
138bc75d-0d04-0410-961f-82ee72b054a4
caused a 20% degradation on polyhedron's "rnflow"
commit 780bedc1ccae5ae85fb99afed8a1ac1cc598121b
Geometric Mean Execution Time = 18.28 seconds
commit 024fee2c369096e6fe6cde620243df5843893004
Geometric Mean Execution Time = 24.82 seconds
compilation options used:
gfortran -march=native -ffast-math -funroll-loops -O3 -ftree-vectorize %n.f90
-static -o %n
next reply other threads:[~2012-09-26 12:54 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-26 12:54 sergos.gnu at gmail dot com [this message]
2012-09-26 13:17 ` [Bug tree-optimization/54717] " ubizjak at gmail dot com
2012-09-26 14:17 ` [Bug tree-optimization/54717] [4.8 Regression] " rguenth at gcc dot gnu.org
2012-09-26 15:12 ` sergos.gnu at gmail dot com
2012-09-26 15:41 ` dominiq at lps dot ens.fr
2012-09-26 20:07 ` sergos.gnu at gmail dot com
2012-09-27 9:28 ` rguenth at gcc dot gnu.org
2012-09-27 10:43 ` rguenth at gcc dot gnu.org
2012-10-02 20:24 ` dominiq at lps dot ens.fr
2012-10-08 8:55 ` sergos.gnu at gmail dot com
2012-11-13 18:40 ` ubizjak at gmail dot com
2012-11-13 18:54 ` dominiq at lps dot ens.fr
2012-11-14 18:56 ` sergos.gnu at gmail dot com
2012-11-14 19:42 ` Jan Hubicka
2012-11-14 19:43 ` hubicka at ucw dot cz
2012-11-14 20:11 ` hubicka at gcc dot gnu.org
2012-11-15 10:28 ` hubicka at gcc dot gnu.org
2012-11-15 10:52 ` hubicka at gcc dot gnu.org
2012-11-15 15:07 ` dominiq at lps dot ens.fr
2012-11-16 10:37 ` hubicka at gcc dot gnu.org
2012-12-06 16:51 ` rguenth at gcc dot gnu.org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bug-54717-4@http.gcc.gnu.org/bugzilla/ \
--to=gcc-bugzilla@gcc.gnu.org \
--cc=gcc-bugs@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).