From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Daniel Mendler Newsgroups: gmane.emacs.bugs Subject: bug#47712: 27.1; Provide `string-display-width` function, which takes properties into account, `substring-width` Date: Mon, 12 Apr 2021 16:38:08 +0200 Message-ID: <23ea6bd4-8d2d-51cc-b1f7-58eb7316d5d3@daniel-mendler.de> References: <642c8a37-31c7-2723-12af-06cd7f120c2f@daniel-mendler.de> <83r1jg2q72.fsf@gnu.org> <83lf9n3d7x.fsf@gnu.org> <1c8f7066-3da2-d960-11e7-a42f567432bd@daniel-mendler.de> <83im4r3agk.fsf@gnu.org> <83czuz39jw.fsf@gnu.org> <83blaj37yi.fsf@gnu.org> <83a6q33753.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28745"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 47712@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Apr 12 16:42:23 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1lVxlf-0007OC-9Y for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 12 Apr 2021 16:42:23 +0200 Original-Received: from localhost ([::1]:49496 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lVxle-00047A-BI for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 12 Apr 2021 10:42:22 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46766) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lVxiR-000129-4Z for bug-gnu-emacs@gnu.org; Mon, 12 Apr 2021 10:39:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:46135) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lVxiQ-000252-So for bug-gnu-emacs@gnu.org; Mon, 12 Apr 2021 10:39:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lVxiQ-0000vf-R6 for bug-gnu-emacs@gnu.org; Mon, 12 Apr 2021 10:39:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Daniel Mendler Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 12 Apr 2021 14:39:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47712 X-GNU-PR-Package: emacs Original-Received: via spool by 47712-submit@debbugs.gnu.org id=B47712.16182382983483 (code B ref 47712); Mon, 12 Apr 2021 14:39:02 +0000 Original-Received: (at 47712) by debbugs.gnu.org; 12 Apr 2021 14:38:18 +0000 Original-Received: from localhost ([127.0.0.1]:57679 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lVxhi-0000u7-7B for submit@debbugs.gnu.org; Mon, 12 Apr 2021 10:38:18 -0400 Original-Received: from server.qxqx.de ([178.63.65.180]:36507 helo=mail.qxqx.de) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lVxhf-0000tX-Qj for 47712@debbugs.gnu.org; Mon, 12 Apr 2021 10:38:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=qxqx.de; s=mail1392553390; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=WdQauIDWd4h1Yg7k0Vp0O32goc3uKrIEZunLvP1Vf4M=; b=R+hALW5QH2VTIGArMvcTBrqGk/ jJlV4gAWAhNM6ngAGdng/wgu8oDduoA929+Cjt/WqI3c9/hz3TfYVRFD+jYEuqbmWU99UybnZIEwc /lmvqihcySNQa++kIHrwsSohWNxOwmlObV6sKQP6v5K4egHeD5RWEA3LgevsTG55A7vQ=; In-Reply-To: <83a6q33753.fsf@gnu.org> Content-Language: en-US X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:203908 Archived-At: On 4/12/21 4:32 PM, Eli Zaretskii wrote: > My benchmarking indicates that reusing the buffer makes > string-pixel-width only 10 times slower than string-width, i.e. 50 > about microseconds per call. Can you please paste the exact code you used? As I wrote in my previous mail, I tried without buffer switching, but it was still 50 times slower. 10 times slower is still not good, but given that number I may stop arguing, since the factor will be even less in real code.