From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#26051: 25.1; overlays may make emacs very slow Date: Mon, 13 Mar 2017 17:54:51 +0200 Message-ID: <8337ehcgtw.fsf@gnu.org> References: <87varh3xql.fsf@gmail.com> <87inndqva8.fsf@gmail.com> <8737ehl8im.fsf@luca> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1489420576 8452 195.159.176.226 (13 Mar 2017 15:56:16 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 13 Mar 2017 15:56:16 +0000 (UTC) Cc: 26051@debbugs.gnu.org, ynyaaa@gmail.com To: Andreas Politz Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Mar 13 16:56:09 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1cnSKO-0001RP-Cy for geb-bug-gnu-emacs@m.gmane.org; Mon, 13 Mar 2017 16:56:08 +0100 Original-Received: from localhost ([::1]:52762 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cnSKU-0003dd-80 for geb-bug-gnu-emacs@m.gmane.org; Mon, 13 Mar 2017 11:56:14 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:54593) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cnSKM-0003cS-1W for bug-gnu-emacs@gnu.org; Mon, 13 Mar 2017 11:56:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cnSKI-0007ZT-Qb for bug-gnu-emacs@gnu.org; Mon, 13 Mar 2017 11:56:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:55880) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cnSKI-0007ZB-Jb for bug-gnu-emacs@gnu.org; Mon, 13 Mar 2017 11:56:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cnSKI-0001Tf-7z for bug-gnu-emacs@gnu.org; Mon, 13 Mar 2017 11:56:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 13 Mar 2017 15:56:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26051 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 26051-submit@debbugs.gnu.org id=B26051.14894205125616 (code B ref 26051); Mon, 13 Mar 2017 15:56:02 +0000 Original-Received: (at 26051) by debbugs.gnu.org; 13 Mar 2017 15:55:12 +0000 Original-Received: from localhost ([127.0.0.1]:54079 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cnSJU-0001SW-Hy for submit@debbugs.gnu.org; Mon, 13 Mar 2017 11:55:12 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:35128) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cnSJT-0001SJ-Gx for 26051@debbugs.gnu.org; Mon, 13 Mar 2017 11:55:11 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cnSJL-0006vX-7I for 26051@debbugs.gnu.org; Mon, 13 Mar 2017 11:55:06 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:48237) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cnSJL-0006vR-42; Mon, 13 Mar 2017 11:55:03 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3524 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cnSJK-0005wy-5A; Mon, 13 Mar 2017 11:55:02 -0400 In-reply-to: <8737ehl8im.fsf@luca> (message from Andreas Politz on Mon, 13 Mar 2017 12:29:37 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:130541 Archived-At: > From: Andreas Politz > Cc: Eli Zaretskii , 26051@debbugs.gnu.org > Date: Mon, 13 Mar 2017 12:29:37 +0100 > > > (benchmark > > 1 > > '(with-temp-buffer > > (let ((n 65536)) > > (save-excursion (dotimes (i n) (insert (format "\u00E1%d\n" i)))) > > (dotimes (i n) (make-overlay (point) (point)) (forward-line))))) > > =>"Elapsed time: 129.815000s (0.277000s in 17 GCs)" > > I feel like I should advertise my noverlay branch > > https://github.com/politza/emacs-noverlay > > where this takes 0.15s on my laptop. That's wonderful news, thanks!