From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Native line numbers, final testing Date: Fri, 07 Jul 2017 12:47:35 +0300 Message-ID: <8360f4mvd4.fsf@gnu.org> References: <83y3s9pm2a.fsf@gnu.org> <87vandz7lw.fsf@lylat> <83wp7tpcav.fsf@gnu.org> <87r2y1z45o.fsf@lylat> <83vandp7wz.fsf@gnu.org> <87mv8pyy7f.fsf@lylat> <83shigpoxq.fsf@gnu.org> <87mv8nkh31.fsf@lylat> <83bmp3pnmb.fsf@gnu.org> <87eftzju5g.fsf@lylat> <837ezqq3gd.fsf@gnu.org> <874luuyuqy.fsf@lylat> <83wp7po86m.fsf@gnu.org> <87fuecc7vg.fsf@lylat> <83y3s2n5pa.fsf@gnu.org> <878tk1rmjx.fsf@lylat> <83a84gn4z9.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1499420884 2962 195.159.176.226 (7 Jul 2017 09:48:04 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 7 Jul 2017 09:48:04 +0000 (UTC) Cc: emacs-devel@gnu.org To: agrambot@gmail.com Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jul 07 11:47:58 2017 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 1dTPrd-0000IA-42 for ged-emacs-devel@m.gmane.org; Fri, 07 Jul 2017 11:47:53 +0200 Original-Received: from localhost ([::1]:55376 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dTPri-0003CT-CB for ged-emacs-devel@m.gmane.org; Fri, 07 Jul 2017 05:47:58 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55393) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dTPrc-0003CM-7Z for emacs-devel@gnu.org; Fri, 07 Jul 2017 05:47:53 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dTPrZ-0001jK-4m for emacs-devel@gnu.org; Fri, 07 Jul 2017 05:47:52 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:40734) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dTPrZ-0001jE-0o; Fri, 07 Jul 2017 05:47:49 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:4272 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1dTPrY-0000Dp-AS; Fri, 07 Jul 2017 05:47:48 -0400 In-reply-to: <83a84gn4z9.fsf@gnu.org> (message from Eli Zaretskii on Fri, 07 Jul 2017 09:19:54 +0300) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e 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:216262 Archived-At: > Date: Fri, 07 Jul 2017 09:19:54 +0300 > From: Eli Zaretskii > Cc: emacs-devel@gnu.org > > > pre-command-hook definitely sounds better than pre-redisplay-functions, > > but it would be nice if the check didn't have to be made every time a > > command is issued. Although I suppose if the width accessor is a fast > > constant lookup, then it doesn't really matter. > > It cannot be an accessor to a value that is already stored (because it > currently isn't stored anywhere once redisplay finishes), but it > should be fast enough nonetheless. And if it turns out it isn't, we > can always speed it up. I timed the current implementation at 0.2 msec, in an optimized build; should be at least twice faster in an optimized build. This sounds fast enough for now, I think.