From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Emacs 28.1 built with x32 ABI outperforms x86-64 Date: Fri, 08 Apr 2022 19:17:15 +0200 Message-ID: <874k33trz8.fsf@zoho.eu> References: <20220408.185021.179167342.hartrumpf@gmx.net> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10493"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:Up8SaFlzUv6aeinrK75W4aYUKPM= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Apr 09 19:26:16 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 1ndEqm-0002Yf-Nc for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 09 Apr 2022 19:26:16 +0200 Original-Received: from localhost ([::1]:40780 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ndEql-00028L-MM for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 09 Apr 2022 13:26:15 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56762) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ncsEf-0007O4-R6 for help-gnu-emacs@gnu.org; Fri, 08 Apr 2022 13:17:30 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:49936) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ncsEe-0007qH-9J for help-gnu-emacs@gnu.org; Fri, 08 Apr 2022 13:17:25 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1ncsEc-0005pE-EQ for help-gnu-emacs@gnu.org; Fri, 08 Apr 2022 19:17:22 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Sat, 09 Apr 2022 13:25:36 -0400 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:136890 Archived-At: Sven Hartrumpf wrote: > 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.) Yes, can you post the script (or function) that carried out the experiment? -- underground experts united https://dataswamp.org/~incal