From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5E0D7384B0C0; Mon, 27 Apr 2020 04:50:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5E0D7384B0C0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1587963030; bh=ISuxwm0RQV2jfgyPpIbnTK4ldIDwiWhj2m+DkyeBz/Q=; h=From:To:Subject:Date:In-Reply-To:References:From; b=HgSvlmatmBU0X0n2kDuCKYlk0B+cdHsI9o05JOT4qX/AT/vMcww9afYChe6IY5NVQ HCvdA1ltZU38+UfpkHydw6OtlCF3IiViqhb0aZsc2y54r4ANwBTapqLdVEthyX2lO2 SiJbyvHxuNQkSiAfn7A4uMHaW79hIcIeS9VZBpuk= From: "ishikawa at yk dot rim.or.jp" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/94781] version 9.3 g++ compilation time is slower by 20% or much more (closer to 50 % sometimes) in comparison to v7. Date: Mon, 27 Apr 2020 04:50:30 +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: ishikawa at yk dot rim.or.jp 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: Mon, 27 Apr 2020 04:50:30 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94781 --- Comment #3 from ishikawa,chiaki --- https://send.firefox.com/download/bdf77223953903fa/#WMrJbMYdsL7AXf2vXYm82g I uploaded the file, UnifiedBindings23-v7.cpp, to the link above. It is huge as I explained. Approximately 28MB.=20 The compiler options I used for each version of the g++ compiler is in=20 the attachment: https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D48380 -ftime-print log for V9, V8 and V7 g++ compiler compiling preprocessed UnifiedBindings23.cpp=20 Since the file was already preprocessed, -I options won't have any meaning,= but I simply copied from the original build command. Thank you again for your attention on this matter.=