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 20:01:28 +0300 Message-ID: <83im2lbqmv.fsf@gnu.org> References: <83o8cge4lg.fsf@gnu.org> <62e438b5-d27f-1d3c-69c6-11fe29a76d74@dancol.org> <83fsxsdxhu.fsf@gnu.org> <83pmwudgw3.fsf@gnu.org> <83k0n2cjg5.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="33130"; mail-complaints-to="usenet@ciao.gmane.io" Cc: rudalics@gmx.at, dancol@dancol.org, monnier@iro.umontreal.ca, rms@gnu.org, emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Jun 10 19:03:29 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 1lrO5Z-0008VP-Fw for ged-emacs-devel@m.gmane-mx.org; Thu, 10 Jun 2021 19:03:29 +0200 Original-Received: from localhost ([::1]:54842 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lrO5Y-0002Ki-FO for ged-emacs-devel@m.gmane-mx.org; Thu, 10 Jun 2021 13:03:28 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47202) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrO3v-0000zA-Af for emacs-devel@gnu.org; Thu, 10 Jun 2021 13:01:52 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:59740) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lrO3t-0007rR-Ck; Thu, 10 Jun 2021 13:01:45 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2970 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 1lrO3n-0003Cz-70; Thu, 10 Jun 2021 13:01:39 -0400 In-Reply-To: (message from Alan Mackenzie on Thu, 10 Jun 2021 16:46:11 +0000) 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:270656 Archived-At: > Date: Thu, 10 Jun 2021 16:46:11 +0000 > Cc: dancol@dancol.org, monnier@iro.umontreal.ca, rudalics@gmx.at, > emacs-devel@gnu.org, rms@gnu.org > From: Alan Mackenzie > > > > That variable is still supported by CC Mode (with the exception of AWK > > > Mode, where it surely is not needed). > > > Does it make a difference, performance-wise? If not (which is what > > ISTR), then that variable isn't really "supported", because supporting > > it means that different values of it cause tangible differences in > > performance. > > Yes, it does make a difference. On my machine, the times to scroll > through xdisp.c with my favourite benchmark for > font-lock-maximum-decoration set to 3, 2, 1 are 23s, 7.5s, 5.5s. Then I suggest to set it to 2 by default.