From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stephen Berman Newsgroups: gmane.emacs.devel Subject: Re: The Emacs master is much slower than the emacs-27 branch. Date: Fri, 04 Dec 2020 18:03:27 +0100 Message-ID: <87mtytqza8.fsf@gmx.net> 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> <837dpxedmz.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10463"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: acm@muc.de, Stefan Monnier , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Dec 04 19:34:17 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 1klFuL-0002bY-FM for ged-emacs-devel@m.gmane-mx.org; Fri, 04 Dec 2020 19:34:17 +0100 Original-Received: from localhost ([::1]:43212 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1klFuK-0000Tj-Gk for ged-emacs-devel@m.gmane-mx.org; Fri, 04 Dec 2020 13:34:16 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60224) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1klEVO-0005dh-6u for emacs-devel@gnu.org; Fri, 04 Dec 2020 12:04:35 -0500 Original-Received: from mout.gmx.net ([212.227.17.21]:42287) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1klEUw-0004iK-HU; Fri, 04 Dec 2020 12:04:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1607101416; bh=rhVyjZoVFkM4OzcZmoySmTyyET1B+yW7aYHB6iztujo=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=dpBnyX9qC7TchplHUpuMFnd1XyMccSDtXsEXJbSqPDFOetAxzULBHYIQvPiNST+0L 6grXzpNwqyhBTDKIN9jwq5a+YDoQxZVdElIEKDjlryiTlGAi6jLIeNv5TRtQBKikbq 7ADRe2Nn9NHRPiU+ufE9QJzER6tbru7gamXMy8Qs= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from strobe-jhalfs ([178.6.218.210]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MuDXp-1jtfpl0Glh-00uWte; Fri, 04 Dec 2020 18:03:36 +0100 In-Reply-To: <837dpxedmz.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 04 Dec 2020 18:31:48 +0200") X-Provags-ID: V03:K1:HTOnZbjBjh0ra3GOPa+TxduI36A1TQ66u+2f5hHTwkEJ4MVRlNX 1d4pjZyQss4N6O165j8rr+2mVHp5Tm09DrN6IiZ+jSrlN0MYt02xl/UDo9bV4W8PKBLDeLR DiBTMVo3NjGt92lpCkSibkzNXZ5BUpJoxSUoFtHhS2En9zaZn6Qa+cGDQiBZfIEN5XAKys7 WtiFQPSvS00EdkwJk60fQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:fRvpEoeRqRg=:eZlZ/0qmxmskSK7ePdvVEm DnmuwRdCGmdII0VvhTG+eaBLuUgqSr2VFxii5Oe1SxObUaMOLwC3jGTGOc+kmST22L7wMfiDe lCLForYG74WyjlrCG+rkUiwgXV8YokUA2uyV/FvW7RM3r1wvJFFWDNhvUOUTpnMQ/4H9UjBZc wurZsFIKKuF4R2cSWcxc7X9tBuYFmu6ENZk/gFqPQpiQNCIEXkAjjsJY0/Mjok4nZYIPwo7hw PzDCkyQlWLnzTUuEsTRnOmtAq+w6VUDXy90RqvQw0FxBZHDRqbH5Fp3SwxU6FLYSTGzLZE/Z7 wR6AmlaqVxXT5q0nte7sw7zGcOEPHnGhNp1XE4azc+CONjQeNE1Y8QIzLW1PyusrFNib7yr8u N1tyrDUgd6JWME6GrV61BMJg/Nq2rQDRFdccJoik1FRGeAZmr2RvA99x2KPQ1JA4Rl8D2hV43 oxVphtL+a5R6/7oygV62cAocPVE57rZ4tEOtQxeFPunqUlymcFe6g8IyI5IIwzU622DbgYLwA MHjLDho2XT0W/83Ut6AbDqjOUQLhw9fFd26XcLmssfj1kg9D2mdlKknLCjZMH15m52MNhHxmG 10D6+K7p8ZMmDuttOa+kHR5EYaBGxXcoE5mXmMm7n3oZ9i0dJCO4QE94L1ldyFxTHLomnpG34 dyFQAmnuUskbGsbeRdHdhgTXZzCvHirTYYAb37kCFfQYqGbrF8OnN9/mszdME7hMSGR2PCJ/1 8KHCz+00T0rz8VgJHc6Noglyj2JORfQpbSgV2zh7HXKEbqJqJZeOKndP/rJkGgPGtXz/hH9d Received-SPF: pass client-ip=212.227.17.21; envelope-from=stephen.berman@gmx.net; helo=mout.gmx.net X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action 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:260310 Archived-At: On Fri, 04 Dec 2020 18:31:48 +0200 Eli Zaretskii wrote: >> 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=3D-Og -g3' PKG_CONFIG_PATH=3D/opt/qt5/lib/pkgconfig" >> >> system-configuration-features >> "XPM JPEG TIFF GIF PNG RSVG SOUND DBUS GSETTINGS GLIB NOTIFY INOTIFY AC= L >> 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=3D-Og -g3' PKG_CONFIG_PATH=3D/opt/qt5/lib/pkgc= onfig" >> >> 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. On Fri, 04 Dec 2020 11:49:25 -0500 Stefan Monnier wrote: > Hmm... so in Emacs-28, "you" removed XFT and GMP and replaced them with > CAIRO and XWIDGETS. > > I doubt GMP and XWIDGETS make any difference, but maybe XFT or CAIRO > have something to do with the difference. > > It might be worth fiddling with `--with(out)-xft` and > `--with(out)-cairo` to see if you can get closer to the origin of > the difference. I can try that, but since I used the default configuration features, that suggests that those who got no difference between emacs-27 and master with the benchmark, or where emacs-27 was even faster, built emacs-27 --with-cairo and --without-xft. Is that the case? Steve Berman