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 02C6A3858435; Mon, 29 Jan 2024 08:27:50 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 02C6A3858435
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1706516871;
	bh=SgolvHc6YWcYggXv/PUoxqmL+I5wD1JjxXKvmyR2ibQ=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=CFhW4Th8IgUHStk5CxLUY3VIgXQyz19Wvbx8PtDERU0hlgTVLpY6K1+EIhI6nbxga
	 FHVeTByEF+19Ohu1QfyCAGuFWrFI0gV2ujnXfXYCe3kf7RfjCvJ1YqTTCo0leK9l4F
	 O108Nn4nyUcfKtIFUnoebtH8/M4XrsCS4dBSOz7A=
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug gcov-profile/113646] PGO hurts run-time of 538.imagick_r as
 much as 68% at -Ofast -march=native
Date: Mon, 29 Jan 2024 08:27:48 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: gcov-profile
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenth at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: keywords
Message-ID: <bug-113646-4-6CGlexqmRg@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-113646-4@http.gcc.gnu.org/bugzilla/>
References: <bug-113646-4@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
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113646

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Did you try with -fprofile-partial-training (is that default on?  it probab=
ly
should ...).  Can you please try training with the rate data instead of tra=
in
to rule out a mismatch?=