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: What improvements would be truly useful? Date: Mon, 5 Mar 2018 09:21:29 -0800 Organization: UCLA Computer Science Department Message-ID: References: <87inaiss6l.fsf@web.de> <6FCF6ACA-4F29-4B6B-BE9D-D7130C6E9495@gnu.org> <87fu5moe4c.fsf@web.de> <877eqyocro.fsf@web.de> <83zi3uz4nb.fsf@gnu.org> <0b1dd3fa-e0b0-ed20-a256-dd92d1c1826f@dancol.org> <8bc3c4c7-dfc7-987a-95e7-bd309e2326c6@cs.ucla.edu> <03118DC0-39DA-4AB5-980E-A33809B9A5EE@raeburn.org> 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 1520270429 13638 195.159.176.226 (5 Mar 2018 17:20:29 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 5 Mar 2018 17:20:29 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 Cc: Ken Raeburn , Daniel Colascione , Emacs developers To: John Yates , Richard Stallman Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Mar 05 18:20:25 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 1estmi-00031f-Ig for ged-emacs-devel@m.gmane.org; Mon, 05 Mar 2018 18:20:24 +0100 Original-Received: from localhost ([::1]:50586 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1estol-0002vv-1H for ged-emacs-devel@m.gmane.org; Mon, 05 Mar 2018 12:22:31 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47655) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1esto0-0002uD-PW for emacs-devel@gnu.org; Mon, 05 Mar 2018 12:21:46 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1estnr-0001eU-29 for emacs-devel@gnu.org; Mon, 05 Mar 2018 12:21:44 -0500 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:42596) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1estnq-0001dd-Kf; Mon, 05 Mar 2018 12:21:34 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 12986160831; Mon, 5 Mar 2018 09:21:33 -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 6dO-m_T9McMi; Mon, 5 Mar 2018 09:21:32 -0800 (PST) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 5CD591616F5; Mon, 5 Mar 2018 09:21:32 -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 7MBAsr6DDXwc; Mon, 5 Mar 2018 09:21:32 -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 3E1FD160831; Mon, 5 Mar 2018 09:21:32 -0800 (PST) In-Reply-To: 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:223284 Archived-At: On 03/05/2018 06:02 AM, John Yates wrote: > in spite of running on a state of the art > desktop with 64GB RAM, 4GHz+ multi-core processor and high-end gamer > graphics Emacs feels progressively less responsive I'm feeling that on my older work desktop too (8 GiB RAM, 2.6 GHz quad-core, circa-2010 AMD Deneb). However, I suspect it has mostly to do with things other than GC. The main argument to improve GC is robustness, not typical-case performance. We're still installing last-minute hacks into Emacs 26 because of real-world problems here. It would be useful if we didn't have to mess with these hacks because we fixed GC to not blow the C stack.