From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: scratch/accurate-warning-pos: Solid progress: the branch now bootstraps. Date: Tue, 27 Nov 2018 12:27:36 -0800 Organization: UCLA Computer Science Department Message-ID: <0ec5806a-0cc6-8b9f-6bc2-97875e36a511@cs.ucla.edu> References: <20181125193050.GH27152@ACM> <2c2ae483-3309-f79d-07a5-30af1f49058b@cs.ucla.edu> <20181125212920.GK27152@ACM> <60ac9dfc-b540-89f9-68ea-ec7cceaa8511@cs.ucla.edu> <83in0kijz0.fsf@gnu.org> <9e216e61-7d95-94f0-cbee-593b4f32ced2@cs.ucla.edu> <20181126184359.GG4030@ACM> <55044caa-18fb-9e9a-81b4-3912f64d0aa4@cs.ucla.edu> <20181127074336.GA4705@ACM> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1543350615 12713 195.159.176.226 (27 Nov 2018 20:30:15 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 27 Nov 2018 20:30:15 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 Cc: michael_heerdegen@web.de, Eli Zaretskii , emacs-devel@gnu.org, cpitclaudel@gmail.com, monnier@IRO.UMontreal.CA To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Nov 27 21:30:10 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gRjzl-00039Z-0q for ged-emacs-devel@m.gmane.org; Tue, 27 Nov 2018 21:30:09 +0100 Original-Received: from localhost ([::1]:44320 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRk1r-0001ak-Ij for ged-emacs-devel@m.gmane.org; Tue, 27 Nov 2018 15:32:19 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53524) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRk0u-0001YX-FK for emacs-devel@gnu.org; Tue, 27 Nov 2018 15:31:25 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gRjxd-0000VB-Kn for emacs-devel@gnu.org; Tue, 27 Nov 2018 15:28:00 -0500 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:51994) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gRjxR-0000I2-1I; Tue, 27 Nov 2018 15:27:45 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id DAA1A160510; Tue, 27 Nov 2018 12:27:41 -0800 (PST) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id H3yp-uF0LQU1; Tue, 27 Nov 2018 12:27:41 -0800 (PST) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id ED23F160543; Tue, 27 Nov 2018 12:27:40 -0800 (PST) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 8fawTjxa5rhD; Tue, 27 Nov 2018 12:27:40 -0800 (PST) Original-Received: from Penguin.CS.UCLA.EDU (Penguin.CS.UCLA.EDU [131.179.64.200]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id C8394160510; Tue, 27 Nov 2018 12:27:40 -0800 (PST) Openpgp: preference=signencrypt Autocrypt: addr=eggert@cs.ucla.edu; prefer-encrypt=mutual; keydata= xsFNBEyAcmQBEADAAyH2xoTu7ppG5D3a8FMZEon74dCvc4+q1XA2J2tBy2pwaTqfhpxxdGA9 Jj50UJ3PD4bSUEgN8tLZ0san47l5XTAFLi2456ciSl5m8sKaHlGdt9XmAAtmXqeZVIYX/UFS 96fDzf4xhEmm/y7LbYEPQdUdxu47xA5KhTYp5bltF3WYDz1Ygd7gx07Auwp7iw7eNvnoDTAl KAl8KYDZzbDNCQGEbpY3efZIvPdeI+FWQN4W+kghy+P6au6PrIIhYraeua7XDdb2LS1en3Ss mE3QjqfRqI/A2ue8JMwsvXe/WK38Ezs6x74iTaqI3AFH6ilAhDqpMnd/msSESNFt76DiO1ZK QMr9amVPknjfPmJISqdhgB1DlEdw34sROf6V8mZw0xfqT6PKE46LcFefzs0kbg4GORf8vjG2 Sf1tk5eU8MBiyN/bZ03bKNjNYMpODDQQwuP84kYLkX2wBxxMAhBxwbDVZudzxDZJ1C2VXujC OJVxq2kljBM9ETYuUGqd75AW2LXrLw6+MuIsHFAYAgRr7+KcwDgBAfwhPBYX34nSSiHlmLC+ KaHLeCLF5ZI2vKm3HEeCTtlOg7xZEONgwzL+fdKo+D6SoC8RRxJKs8a3sVfI4t6CnrQzvJbB n6gxdgCu5i29J1QCYrCYvql2UyFPAK+do99/1jOXT4m2836j1wARAQABzSBQYXVsIEVnZ2Vy dCA8ZWdnZXJ0QGNzLnVjbGEuZWR1PsLBfgQTAQIAKAUCTIByZAIbAwUJEswDAAYLCQgHAwIG FQgCCQoLBBYCAwECH In-Reply-To: <20181127074336.GA4705@ACM> Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:231458 Archived-At: On 11/26/18 11:43 PM, Alan Mackenzie wrote: > Emacs used to work OK on machines 10, 100 times slower than what we have today. That was back before Emacs did things like automatic syntax highlighting. Today's Emacs would have been rejected for use on those older machines. Alas, we cannot assume that single-threaded computation will continue to improve at the same rate it improved in the past, as the single-threaded performance-vs-time curve is flattening out. See, for example: https://imgur.com/a/FVLjs