From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A21F6385DC0A; Tue, 26 May 2020 09:47:48 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A21F6385DC0A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1590486468; bh=pjINNznlEmmz5CX7M6LspYFRa/fyFikh9yV/81xUSow=; h=From:To:Subject:Date:In-Reply-To:References:From; b=U5fRT1vIZtBqaPXtCSI963I3p5dQH8DVzFEWjiVeK68zKbm4h9wOKSfTYRdROxIFK eBFUQLljjFckKmeq6xcNDJXjYSKAdLBLSwVJV31gTs/rO4Z7V212sjcSxrQHbVr/HG CojAInGDwUQDhQHjgTymjqprKzFM9ygL5JMfP7r0= From: "gcc-bugs at hussar dot me.uk" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/95305] Same code takes ~1/4 to 1/7th the time to compile under clang++. Date: Tue, 26 May 2020 09:47:48 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 9.3.0 X-Bugzilla-Keywords: compile-time-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: gcc-bugs at hussar dot me.uk X-Bugzilla-Status: WAITING 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: 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 May 2020 09:47:48 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95305 --- Comment #4 from Jason --- (In reply to Richard Biener from comment #3) > Can you attach a "representativ" (maybe the worst?) compilation unit in > preprocessed form? Compressed, the preprocessed translation unit in question is just too large= to upload, but the compressed file may be downloaded from "http://research.ma.cx/mit_exchanges_performance.cpp.o.lzma".=