From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#13949: 24.4.1; `fill-paragraph' should not always put the buffer as modified Date: Mon, 28 Mar 2016 18:29:08 +0300 Message-ID: <83mvpiy62j.fsf@gnu.org> References: <56F12360.5030301@ro.ru> <83y49a4hga.fsf@gnu.org> <56F1837D.4060300@ro.ru> <83io0e4b5r.fsf@gnu.org> <56F19203.5040501@ro.ru> <87a8lkd2bc.fsf@wanadoo.es> <83lh54ynol.fsf@gnu.org> <83a8ljzz3h.fsf@gnu.org> <8360w7zyh3.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1459179027 8732 80.91.229.3 (28 Mar 2016 15:30:27 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 28 Mar 2016 15:30:27 +0000 (UTC) Cc: 13949@debbugs.gnu.org To: Lars Magne Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Mar 28 17:30:17 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1akZ7R-0005Qv-3r for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 28 Mar 2016 11:29:27 -0400 In-reply-to: (message from Lars Magne Ingebrigtsen on Mon, 28 Mar 2016 13:27:49 +0200) 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:115650 Archived-At: > From: Lars Magne Ingebrigtsen > Date: Mon, 28 Mar 2016 13:27:49 +0200 > > I've now made a simple buffer hashing function (that does not take text > properties into account) to see how slow this would be. > > The following form > > (with-temp-buffer > (dotimes (i 10000) > (insert (make-string 100 ?k) "\n")) > (benchmark-run 1000 (buffer-hash))) > > takes 2.7 seconds (that's 1000 1MB buffers), and unsurprisingly > > (with-temp-buffer > (dotimes (i 10000000) > (insert (make-string 100 ?k) "\n")) > (benchmark-run 1 (progn (message "%s" (buffer-size) (buffer-hash))))) > > (which is 1 1GB buffer) takes the same amount of time. :-) > > (This is on a 2.7GHz i5 from like five years ago.) Optimized build or unoptimized?