From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id F2AF73858C2D; Mon, 6 Feb 2023 12:14:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org F2AF73858C2D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1675685666; bh=ghLPnLQ7Oa3YIpxeTk7h0/Sy8lkgQG2rxOerx5qcu3Y=; h=From:To:Subject:Date:In-Reply-To:References:From; b=DYwqnfPxQlNikgCv6Y8JB5JcjZJ74E8G1EV3NtVHbSauGCMKWFb5umJbF1DG6SMmD EFRUyrH5WnwZrWazfhFIc5H+McBIyhWk06Y8AyA49OsRd+Ev+8INP070TQdWWEhY/B 44Ks7bSDG5Y1EODu4KOmNngIIiPPcoJmyAs4R9uw= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/26854] Inordinate compile times on large routines Date: Mon, 06 Feb 2023 12:14:23 +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: 4.3.0 X-Bugzilla-Keywords: compile-time-hog, memory-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D26854 --- Comment #143 from Richard Biener --- Checking with GCC 13, _num.i now behaves very nice with no obvious badness. compiler.i behaves OK-ish, peaks are the following now alias stmt walking : 10.33 ( 8%) parser function body : 38.65 ( 29%) dominator optimization : 17.81 ( 13%) tree forward propagate : 12.41 ( 9%) TOTAL : 132.12 all.i is OK as well parser function body : 7.10 ( 16%) dominator optimization : 5.55 ( 12%) TOTAL : 45.46 all of the numbers are at plain -O1 and a release checking built compiler.=