From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id 4CA4C385840D; Wed,  1 Dec 2021 20:49:15 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4CA4C385840D
From: "hubicka at kam dot mff.cuni.cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/103409] [12 Regression] 18% SPEC2017 WRF
 compile-time regression with -O2 -flto since
 r12-5228-gb7a23949b0dcc4205fcc2be6b84b91441faa384d
Date: Wed, 01 Dec 2021 20:49:15 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 12.0
X-Bugzilla-Keywords: compile-time-hog
X-Bugzilla-Severity: normal
X-Bugzilla-Who: hubicka at kam dot mff.cuni.cz
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 12.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-103409-4-ArZQZOvdNh@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-103409-4@http.gcc.gnu.org/bugzilla/>
References: <bug-103409-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Wed, 01 Dec 2021 20:49:15 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103409

--- Comment #13 from hubicka at kam dot mff.cuni.cz ---
> I've fixed the threading slowdown.  Can someone verify and close this PR =
if all
> the slowdown has been accounted for?  If not, then someone needs to explo=
re any
> slowdown unrelated to the threader.
The plots linked from the PR are live, so they should come back to
original speed (so far they did not).

https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=3D226.548.8
and
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=3D287.548.8=