From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Sven Hartrumpf Newsgroups: gmane.emacs.help Subject: Emacs 28.1 built with x32 ABI outperforms x86-64 Date: Fri, 08 Apr 2022 18:50:21 +0200 (CEST) Message-ID: <20220408.185021.179167342.hartrumpf@gmx.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20701"; mail-complaints-to="usenet@ciao.gmane.io" To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Apr 08 19:09:02 2022 Return-path: Envelope-to: geh-help-gnu-emacs@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 1ncs6Y-0005B2-2f for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 08 Apr 2022 19:09:02 +0200 Original-Received: from localhost ([::1]:38752 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ncs6W-0001UF-Kw for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 08 Apr 2022 13:09:00 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50624) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ncroY-0001Cx-9A for help-gnu-emacs@gnu.org; Fri, 08 Apr 2022 12:50:26 -0400 Original-Received: from mout.gmx.net ([212.227.15.19]:51923) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ncroW-0003QT-Q6 for help-gnu-emacs@gnu.org; Fri, 08 Apr 2022 12:50:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1649436621; bh=mVh5di55Ym1fp5oAzSN2LurhYHwdXv0nLHRIlkYwSrE=; h=X-UI-Sender-Class:Date:To:Subject:From; b=YB3nF+6qh+nvkytou4XrALAhB5EBI8A9tirPwrF2vlrw3SSWjr7grnLkkUxtKuKyW 3ZePBy3YU42Ry6Lgg+kkBTQgL7QddW4l1NBTjHqb+qSMRa+nrTmj7EcDVDlzaBVWA5 M2Ahna+XZpquw7khNaw+wYb67k+q8Nzdp7rrASrU= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from localhost ([130.180.45.238]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MI5UD-1njAPy2rEF-00F8iz for ; Fri, 08 Apr 2022 18:50:21 +0200 X-Provags-ID: V03:K1:JJ2yPBmjqxI7SatlB9yJ+kCKIy3wrt0PeEaaC8PXi9BNuGKEXmX 1MC1QmWQCBKRJznjwirkFcty+gj5dh3vkYoj8qs1yvCL9AMNj+/z86sT8/FDI1B20Q1OqbD Nfe9AfAeSgts2p0eb20VBg7FbLiWSih/nPT23pEkOdeyzDG81UwGDntvRwlyGuUPCZy/HS5 kAlBQHrB+xTMRxg2YRA5w== X-UI-Out-Filterresults: notjunk:1;V03:K0:RHaIE9/uft8=:Q+VvdTmCSVZ8lljgrswNmW hH7RI/ahYCftpw0WZmjHD6SksfSAXf7O7CA1D1FekFZYb+4G0W+T0n/fi9pMzixZvzVPE6Pl9 cMHYhTsx5rknMEDJqEjlj5WDaEEfXXZfE0SOyBCDoQLQ+Iar9XXXox774TDVcHhJQZTtN+h+6 gROETq0EXW1iYrLgP35rSBWemZAiCJUDNZyyacv40IOaxvPt3LqJVs1Yjz9EROWaG8I73JUE5 lrAPWOxmouVQ5wNr6T3XqqiTFs0P5/EqOYVrfCA9g7BYBpi6pPJ7HImc80kIoQbtF6nAAXzWU OpZHCkmS0mdo314EpTiEqWfHoT+0pGP5B2B795p4eMebnU32N7ku1rA10XTnKeJwf3g7tSf4J xChqgpRQaohFbxiRAXBJW8E0dC1TndOylmdirwU91UldWn7bFMDhy3CDRWt77R9SFkbn3k62P /ONF+5HhklVXCNCt0I6Mj27+4LcueN1VFFv5JOEooll1aGkuw9NcTtElppIFA0fFUb/pN+0Vn q0NvwhsYu7GLEMK469YlxfTWZffuuZj67Yy+3SNJmT3SiOwdwovvjEYfThclBV0kqd1bN9TsE 7esI284+jSCKKpQWdmWq+mrH8CSo75XtXfs84q2KKXS1SvfSDO0RPwHXsK4fSo77vHiFyOVCf Leld8M1LYkCaqIy64wrHj8xalkrcQYB86WwfmFZEHBMPADGFLxjC22mtK3VP2aq9cQSzAgrXs f6jFTWRyVp9XCPIARlDayz2J2TONuBn0dGhnZQsEgEBqW0tV7vdvFzwKcR13cMEOuwGkhoTm Received-SPF: pass client-ip=212.227.15.19; envelope-from=hartrumpf@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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:136889 Archived-At: Dear Emacs users. With the new release of Emacs, I tried to build it with the x32 ABI. I succeeded for the first time (gave up with earlier OS versions) and it even worked without any problems (Ubuntu 21.10, gcc 11.2). A small benchmark ("make check" followed by reproducing all .elc files) outperforms the equivalent x86-64 version by 8 %. Memory usage is almost half of x86-64, when opening files of several 100 MB. Limitations: - x32 has a hard memory limit of 4 GB. - To avoid building too many dependencies for x32, I used the following configure line: ./configure --with-sound=no --without-dbus --without-x - I had to build 12 x32 versions: gnutls autoconf ncurses nettle libidn2 libtasn1 p11-kit libgmp libtool libffi guile-2.2 gc (Ask me if you need more details.) Greetings Sven