From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Richard Copley Newsgroups: gmane.emacs.devel Subject: Re: Regarding performance issues with the Emacs 25.1 Windows-build Date: Mon, 9 Jan 2017 07:40:00 +0000 Message-ID: References: <58732ebd.8778630a.25994.c3c9@mx.google.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1483947654 1116 195.159.176.226 (9 Jan 2017 07:40:54 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 9 Jan 2017 07:40:54 +0000 (UTC) Cc: "emacs-devel@gnu.org" , "phillip.lord@russet.org.uk" To: jsj.register@gmail.com Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jan 09 08:40:48 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 1cQUZM-0006qm-UT for ged-emacs-devel@m.gmane.org; Mon, 09 Jan 2017 08:40:41 +0100 Original-Received: from localhost ([::1]:37610 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQUZP-0001rt-GX for ged-emacs-devel@m.gmane.org; Mon, 09 Jan 2017 02:40:43 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:36218) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQUZG-0001rc-9C for emacs-devel@gnu.org; Mon, 09 Jan 2017 02:40:35 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cQUZF-0002EP-3E for emacs-devel@gnu.org; Mon, 09 Jan 2017 02:40:34 -0500 Original-Received: from mail-ua0-x233.google.com ([2607:f8b0:400c:c08::233]:36183) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cQUZE-0002Dm-TR for emacs-devel@gnu.org; Mon, 09 Jan 2017 02:40:32 -0500 Original-Received: by mail-ua0-x233.google.com with SMTP id 96so30877319uaq.3 for ; Sun, 08 Jan 2017 23:40:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=cna4s9I39skqtz2Oj40HeDuGNUi8ilHUp3mVsSFXykA=; b=ijlR5Hk/Vaf8fonNX4Ucvy3NdfR2K5q4Wxeb3VEgIlnLcmVKe2IVT2CGl1LrOvqy+L 8ixKGUQLf0/VDHtnHmUFrtjq0M1yck6zJXs7jXsklFzpus4IRbAKFqtAAAuKmkML9TUk vpj8frIW5tL8UL7dX4vtTiDbjY/xKgYwSMtkxnVumkSq/TJpSSv2hmx2BmiuN9qn0xVJ Sy5nGc0FYg2VqtZFcdpTyskq828iWe+ZFVaIeuEis9bHrzgwPEah6V6DxPKE0k3D4TeL wsjO5ejhBa68vbeidH5RT4lbAkD6FtSyEiOlleEEBRnbaLt2LKxjftAluob3alDLy+FH 8vRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=cna4s9I39skqtz2Oj40HeDuGNUi8ilHUp3mVsSFXykA=; b=U8+lv3X4MwArObT+ayQmPYtYQhdvTe1FiAkg6kujrD5cqNUE9VHTRBde0ZHB+jGkG6 KzYPMDkNYFCS1XccK/aaN7kuHF6iFDYgl2p4Nt3nCpQX84M8VdEeIWv7dORfCDsBN8pf BXS5VE+Y92NMXdhc5VxIuw46fM5WGv/3+H48kswi2e40SM4hXH6TTL39iZeu+7e8YbxA Xa2CmG285QW8MIIY8x2xCJMyOe8Q/1GbrwEXY2Pb+RxktGJNt3Z18w50HBNJVDnklgT6 TsQqZ13PTOLYJFqoqcaoMTyEMLpB5Wi65Nh1SJRbpu0oseDBa9T5iM+yX591RO8MUd4l SAkg== X-Gm-Message-State: AIkVDXLDVUxOSHWfVAzzQz+1QH3j3Vb2sQPVpqyb+7XNEkusnJCy2fF+tnNwoTQHvqKJESiKL45GYlmZhMak0w== X-Received: by 10.176.81.51 with SMTP id e48mr554955uaa.100.1483947630545; Sun, 08 Jan 2017 23:40:30 -0800 (PST) Original-Received: by 10.176.71.29 with HTTP; Sun, 8 Jan 2017 23:40:00 -0800 (PST) In-Reply-To: <58732ebd.8778630a.25994.c3c9@mx.google.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400c:c08::233 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:211172 Archived-At: On 9 January 2017 at 06:33, wrote: > I encountered huge lags when using org mode (detailed below) on build > =E2=80=9Cemacs-25.1-2-x86_64-w64-mingw32.zip=E2=80=9D with =E2=80=9Cemacs= -25-x86_64-deps.zip=E2=80=9D (from > ftp.gnu.org). > > With the same configuration and the same org file, everything is fine on = Mac > (emacs 25) and on Windows (emacs 24.5), so I think I might post is here. = I > am sorry if this is the wrong place. > > > > Reproducing it is a little bit tricky. > > It seems to happen when certain utf8 symbols are displayed in the buffer. > > By saying "certain utf8 symbols=E2=80=9D, I refer to those that are not w= ith the > common width, so it depends on the font you are using. > > What I did is the following. > > > > I am using the latest org mode (version 9) and have turned on > =E2=80=9Corg-pretty-entities=E2=80=9D , which replaces some latex codes (= eg. \alpha) with > their corresponding utf-8 symbols. > > The font I use in emacs is =E2=80=9CHack=E2=80=9D. With this font, greek = letters are all OK, > they have the same width as the English letters. > > One example to show the lag is =E2=80=9C\gg=E2=80=9D. > > Simply open an org file and put in =E2=80=9C\gg=E2=80=9D followed by a sp= ace and some other > letters. =E2=80=9C\gg=E2=80=9D will be displayed as a utf8 symbol. > > Then try to move the cursor quickly. You should experience huge lags. Try installing the Symbola font, if you don't already have it. (https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D25279)