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: follow-mode: extremely slow in combination with org-mode Date: Sun, 17 Jun 2018 11:12:39 +0300 Message-ID: <83lgbdu8zs.fsf@gnu.org> References: <87zhzvc9km.fsf@tu-berlin.de> <83r2l7yn52.fsf@gnu.org> <87y3fedgnq.fsf@tu-berlin.de> <838t7ezokb.fsf@gnu.org> <877emx3not.fsf@tu-berlin.de> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1529223101 21191 195.159.176.226 (17 Jun 2018 08:11:41 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 17 Jun 2018 08:11:41 +0000 (UTC) Cc: emacs-devel@gnu.org To: Gerald Wildgruber , Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Jun 17 10:11:37 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 1fUSme-0005L5-Jy for ged-emacs-devel@m.gmane.org; Sun, 17 Jun 2018 10:11:36 +0200 Original-Received: from localhost ([::1]:54295 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fUSoj-0004zV-RX for ged-emacs-devel@m.gmane.org; Sun, 17 Jun 2018 04:13:45 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46641) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fUSnm-0004y4-Ro for emacs-devel@gnu.org; Sun, 17 Jun 2018 04:12:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fUSnj-00023H-N5 for emacs-devel@gnu.org; Sun, 17 Jun 2018 04:12:46 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:47227) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fUSnj-000235-Jd; Sun, 17 Jun 2018 04:12:43 -0400 Original-Received: from [176.228.60.248] (port=1402 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1fUSnj-0006b4-0I; Sun, 17 Jun 2018 04:12:43 -0400 In-reply-to: <877emx3not.fsf@tu-berlin.de> (message from Gerald Wildgruber on Sun, 17 Jun 2018 08:57:22 +0200) 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:226401 Archived-At: > From: Gerald Wildgruber > CC: > Date: Sun, 17 Jun 2018 08:57:22 +0200 > > - follow-windows-start-end 17606 57% > - if 17606 57% > - let 17603 57% > - let 17603 57% > - while 17603 57% > - setq 17599 57% > - cons 17599 57% > - cons 17599 57% > - cons 17599 57% > - follow-calc-win-end 17591 57% > - let* 17591 57% > - if 9229 30% > + let 1115 3% > + pos-visible-in-window-p 26 0% > posn-point 8350 27% > + window-inside-pixel-edges 12 0% Alan, why doesn't follow-calc-win-end doesn't just use window-end with last argument non-nil? AFAU, that should allow you to compute the result using 1/4 of the processing time you now invest. Why do you need all the rest in that function? What am I missing?