From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#71454: 30.0.50; Performance issues with font selection Date: Mon, 10 Jun 2024 14:55:06 +0300 Message-ID: <865xuh9fmt.fsf@gnu.org> References: <87v82h6a33.fsf@jeremybryant.net> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27000"; mail-complaints-to="usenet@ciao.gmane.io" Cc: jb@jeremybryant.net, 71454@debbugs.gnu.org To: Kai Ma Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jun 10 13:59:24 2024 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 1sGdgK-0006mY-AO for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 10 Jun 2024 13:59:24 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sGdfj-0006o0-Ud; Mon, 10 Jun 2024 07:58:47 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sGdfi-0006mv-57 for bug-gnu-emacs@gnu.org; Mon, 10 Jun 2024 07:58:46 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sGdfh-0000Ia-Sq for bug-gnu-emacs@gnu.org; Mon, 10 Jun 2024 07:58:45 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sGdfy-00087J-PX for bug-gnu-emacs@gnu.org; Mon, 10 Jun 2024 07:59:02 -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, 10 Jun 2024 11:59:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 71454 X-GNU-PR-Package: emacs Original-Received: via spool by 71454-submit@debbugs.gnu.org id=B71454.171802070931071 (code B ref 71454); Mon, 10 Jun 2024 11:59:02 +0000 Original-Received: (at 71454) by debbugs.gnu.org; 10 Jun 2024 11:58:29 +0000 Original-Received: from localhost ([127.0.0.1]:57390 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sGdfR-000854-C7 for submit@debbugs.gnu.org; Mon, 10 Jun 2024 07:58:29 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:42050) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sGdfP-00084R-DF for 71454@debbugs.gnu.org; Mon, 10 Jun 2024 07:58:27 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sGdcC-00088U-0z; Mon, 10 Jun 2024 07:55:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=gbRsGWdP2AGN+cZKoTvdod1vIUN5Jk6/7PJlCJNeCEo=; b=FAR52q0dEvCT zZXEPbFicKfPcdck9JUTxLDU5jl615YuaodAOC3aPzmzkM0Srv8MZKZaGBGZtfC6R/TuCE9YYqbn0 xXZt4sj1gjXvvzMljNSFKKLKhjgTjLxPsN3KI+xR71As4lNfrd1dgeU8x2yJe9GcuMsS/MbYHkyaf IgyIh90qeAKUXrv4iM+jai+E+FGz8+JeL05Zm7WQYIUlir5f/5g1YlSHbx24Qrm2fddAPmu5a2QdA AHbOW9LthDdvqt7xZkJFiEgb9nXXjq+epNMY3RCiw2RSv1HP++eAEhQoWzt3Wtrj4hbIaP4mnjt6y 6TNWYS9UC4VxIisuZZy9fg==; In-Reply-To: (message from Kai Ma on Mon, 10 Jun 2024 00:17:55 +0200) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:287024 Archived-At: > Cc: 71454@debbugs.gnu.org > From: Kai Ma > Date: Mon, 10 Jun 2024 00:17:55 +0200 > > > > On Jun 10, 2024, at 00:10, Jeremy Bryant wrote: > > > > Would you be able to provide a self-contained series of steps starting > > from emacs -Q? > > On my machine it is extremely easy to reproduce by simply: > > 1. emacs -Q > 2. Switch to *scratch* > 3. Copy the provided text into *scratch* > 4. Emacs will freeze for 17 seconds or so, and it cannot be interrupted by C-g I cannot reproduce this, I get an almost instantaneous redisplay with those characters. When your Emacs eventually displays the text, how many characters are shown as boxes with hex code, and which ones are those?