From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: The Emacs master is much slower than the emacs-27 branch. Date: Fri, 04 Dec 2020 11:49:25 -0500 Message-ID: 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> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20047"; 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, Eli Zaretskii , 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 17:58:37 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 1klEPk-00056d-H3 for ged-emacs-devel@m.gmane-mx.org; Fri, 04 Dec 2020 17:58:36 +0100 Original-Received: from localhost ([::1]:39576 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1klEPj-0003T2-F9 for ged-emacs-devel@m.gmane-mx.org; Fri, 04 Dec 2020 11:58:35 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54364) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1klENU-0008Jd-Qc for emacs-devel@gnu.org; Fri, 04 Dec 2020 11:56:16 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:2786) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1klENR-0002Pb-GZ; Fri, 04 Dec 2020 11:56:16 -0500 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id B8DEA10024D; Fri, 4 Dec 2020 11:49:28 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 26C641000D1; Fri, 4 Dec 2020 11:49:27 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1607100567; bh=9ceTOYpkaB3FZHxrJ+eZUak97uYP+EbDIhlYqcs6mVQ=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=WsSrbeq8aibVAAQKXiglmvTiCUNjLwAnpPh/ZNqlX7XZLW7099OyZMPwpTRYw3fJW DanUPToRBB0trNb9fOK1aj56iUuv/aMbGdOWx553Y4oeDrzQ472+WMtE+T+r/zL5sj +Qhh5bDuUirMVsTomZb9+VpJgteCMQt7pGNcUPIR7/x/wJwDJnPIrQQMoig902b2VP C+rw4XSr4IHBq/z5VdrG6Wy+6ztNOxpn/+NBZiZYi5GyvCDDmFRylinV81rH6YEDkM 1ST7i/JIOChEi+t7jWQK4zgcLRPQoAGE5KbWFF19KxJDg13cf6iyKg1WxtiwpjV9/J xWLj7w4bPSMxg== Original-Received: from alfajor (69-165-136-52.dsl.teksavvy.com [69.165.136.52]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id DCB4C120169; Fri, 4 Dec 2020 11:49:26 -0500 (EST) In-Reply-To: <87r1o5r22z.fsf@gmx.net> (Stephen Berman's message of "Fri, 04 Dec 2020 17:03:00 +0100") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UPPERCASE_50_75=0.008 autolearn=ham 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:260307 Archived-At: > 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" [...] > 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" 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. Stefan