From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: The Emacs master is much slower than the emacs-27 branch. Date: Fri, 04 Dec 2020 19:07:08 +0200 Message-ID: <835z5hec03.fsf@gnu.org> References: <877dpyzg9d.fsf@rub.de> <87czzpsyqn.fsf@gmx.net> <83o8j9eqwx.fsf@gnu.org> <874kl1spe9.fsf@gmx.net> <83blf9em55.fsf@gnu.org> <87zh2tr82r.fsf@gmx.net> <87v9dhr7i5.fsf@gmx.net> <838sadefiw.fsf@gnu.org> <87r1o5r22z.fsf@gmx.net> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30630"; mail-complaints-to="usenet@ciao.gmane.io" Cc: acm@muc.de, emacs-devel@gnu.org To: Stephen Berman Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Dec 04 20:51:30 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1klH73-0007qV-Ft for ged-emacs-devel@m.gmane-mx.org; Fri, 04 Dec 2020 20:51:29 +0100 Original-Received: from localhost ([::1]:34554 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1klH72-0000kt-CP for ged-emacs-devel@m.gmane-mx.org; Fri, 04 Dec 2020 14:51:28 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33884) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1klEZ7-0006oI-Jt for emacs-devel@gnu.org; Fri, 04 Dec 2020 12:08:29 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:53327) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1klEYX-0006BT-0n; Fri, 04 Dec 2020 12:08:04 -0500 Original-Received: from [176.228.60.248] (port=1812 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1klEYI-0005SV-91; Fri, 04 Dec 2020 12:07:31 -0500 In-Reply-To: <87r1o5r22z.fsf@gmx.net> (message from Stephen Berman on Fri, 04 Dec 2020 17:03:00 +0100) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:260311 Archived-At: > From: Stephen Berman > Cc: acm@muc.de, emacs-devel@gnu.org > Date: Fri, 04 Dec 2020 17:03:00 +0100 > > > Thanks. This is very strange. What are the build options and the > > features in each build? are they identical? > > emacs-27: > > system-configuration-options > "'CFLAGS=-Og -g3' PKG_CONFIG_PATH=/opt/qt5/lib/pkgconfig" > > system-configuration-features > "XPM JPEG TIFF GIF PNG RSVG SOUND DBUS GSETTINGS GLIB NOTIFY INOTIFY ACL > GNUTLS LIBXML2 FREETYPE HARFBUZZ XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 > XDBE XIM MODULES THREADS LIBSYSTEMD PDUMPER LCMS2 GMP" > > master: > > system-configuration-options > "--with-xwidgets 'CFLAGS=-Og -g3' PKG_CONFIG_PATH=/opt/qt5/lib/pkgconfig" > > system-configuration-features > "XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND DBUS GSETTINGS GLIB NOTIFY > INOTIFY ACL GNUTLS LIBXML2 FREETYPE HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS > GTK3 X11 XDBE XIM MODULES THREADS XWIDGETS LIBSYSTEMD PDUMPER LCMS2" Could Cairo be the factor here? Emacs 27 was built without it.