From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: cc-mode fontification feels random Date: Thu, 10 Jun 2021 09:43:22 +0300 Message-ID: <83im2mcj91.fsf@gnu.org> References: <83lf7mhl3n.fsf@gnu.org> <73ff18bf-66dc-7d7a-a0db-8edc2cdceba8@gmx.at> <83o8cge4lg.fsf@gnu.org> <62e438b5-d27f-1d3c-69c6-11fe29a76d74@dancol.org> <83fsxsdxhu.fsf@gnu.org> <83pmwudgw3.fsf@gnu.org> <179f21d7780.2816.cc5b3318d7e9908e2c46732289705cb0@dancol.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29208"; mail-complaints-to="usenet@ciao.gmane.io" Cc: rms@gnu.org, emacs-devel@gnu.org, rudalics@gmx.at, monnier@iro.umontreal.ca, acm@muc.de, dancol@dancol.org To: chad Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Jun 10 08:44:46 2021 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 1lrEQn-0007QP-O4 for ged-emacs-devel@m.gmane-mx.org; Thu, 10 Jun 2021 08:44:45 +0200 Original-Received: from localhost ([::1]:54638 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lrEQm-0006Xd-Po for ged-emacs-devel@m.gmane-mx.org; Thu, 10 Jun 2021 02:44:44 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55098) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrEPv-0005nj-Vc for emacs-devel@gnu.org; Thu, 10 Jun 2021 02:43:51 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:38588) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lrEPu-0003Hs-PE; Thu, 10 Jun 2021 02:43:50 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3465 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrEPg-0005lg-Md; Thu, 10 Jun 2021 02:43:37 -0400 In-Reply-To: (message from chad on Wed, 9 Jun 2021 13:07:17 -0700) 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:270629 Archived-At: > From: chad > Date: Wed, 9 Jun 2021 13:07:17 -0700 > Cc: Richard Stallman , > EMACS development team , > martin rudalics , Stefan Monnier , > Alan Mackenzie , Eli Zaretskii > > I'm all for keeping context in mind, and I think that part of that is Eli's unusual circumstances: running > unoptimised builds with extra checking enabled. I don't know what his particular hardware is like, but my > laptop is a medium-spec i5 from ~4 generations back running debian inside a lightweight VM, and I can both > scroll from top to bottom of src/xdisp.c and open the file and immediately Esc-> to the end without (being > aware of?) font-lock falling behind. Make a C file that's 10 copies of xdisp.c one after the other, and repeat the experiment. Then try the same with Emacs 23 to see the regression. My machine is a Core i7, albeit an old model of it. But it still can run circles around the one Richard Stallman uses, or the one Stefan said he was using.