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#19776: 25.0.50; HTML rendering is very slow Date: Mon, 25 Oct 2021 19:53:47 +0300 Message-ID: <837de111wk.fsf@gnu.org> References: <87d1tuw42p.fsf@gnus.org> <87tvsc6syh.fsf@mouse.gnus.org> <87h8oc6sfs.fsf@mouse.gnus.org> <83pmrw5hfs.fsf@gnu.org> <875ytmbnk2.fsf@gnus.org> <83y26i34e1.fsf@gnu.org> <87wnm27b57.fsf@gnus.org> <87sfwq75q4.fsf@gnus.org> <87wnm22q7y.fsf@gnus.org> <83ee8a2pm7.fsf@gnu.org> <87fssq2orj.fsf@gnus.org> <875ytm2h37.fsf@gnus.org> <83h7d513xw.fsf@gnu.org> <87sfwpulfu.fsf@gnus.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4661"; mail-complaints-to="usenet@ciao.gmane.io" Cc: stefan@marxist.se, 19776@debbugs.gnu.org, rms@gnu.org, monnier@iro.umontreal.ca To: Lars Ingebrigtsen , Dmitry Antipov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Oct 25 18:55:25 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 1mf3Ft-00012X-0E for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 25 Oct 2021 18:55:25 +0200 Original-Received: from localhost ([::1]:53864 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mf3Fq-00030s-U2 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 25 Oct 2021 12:55:22 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39276) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mf3FW-00030k-J0 for bug-gnu-emacs@gnu.org; Mon, 25 Oct 2021 12:55:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:60825) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mf3FW-0003lH-A1 for bug-gnu-emacs@gnu.org; Mon, 25 Oct 2021 12:55:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mf3FW-0002UP-8p for bug-gnu-emacs@gnu.org; Mon, 25 Oct 2021 12:55:02 -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, 25 Oct 2021 16:55:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19776 X-GNU-PR-Package: emacs Original-Received: via spool by 19776-submit@debbugs.gnu.org id=B19776.16351808489503 (code B ref 19776); Mon, 25 Oct 2021 16:55:02 +0000 Original-Received: (at 19776) by debbugs.gnu.org; 25 Oct 2021 16:54:08 +0000 Original-Received: from localhost ([127.0.0.1]:44138 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mf3Ee-0002TD-F3 for submit@debbugs.gnu.org; Mon, 25 Oct 2021 12:54:08 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:41654) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mf3Ec-0002Sd-6c for 19776@debbugs.gnu.org; Mon, 25 Oct 2021 12:54:06 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:48582) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mf3EW-0002hI-SA; Mon, 25 Oct 2021 12:54:00 -0400 Original-Received: from [87.69.77.57] (port=1837 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mf3EQ-0002Xr-D7; Mon, 25 Oct 2021 12:53:54 -0400 In-Reply-To: <87sfwpulfu.fsf@gnus.org> (message from Lars Ingebrigtsen on Mon, 25 Oct 2021 18:19:01 +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" Xref: news.gmane.io gmane.emacs.bugs:218319 Archived-At: > From: Lars Ingebrigtsen > Cc: monnier@iro.umontreal.ca, stefan@marxist.se, rms@gnu.org, > 19776@debbugs.gnu.org > Date: Mon, 25 Oct 2021 18:19:01 +0200 > > Eli Zaretskii writes: > > > I guess this means timerfd is only good for when Emacs is calling > > thread_select, i.e. either it's idling or waiting for process output. > > So timerfd, if available, should be used together with interval > > timers, so that we get SIGALRM when we aren't idle, I guess. Not > > either timerfd or interval timers, but both. > > But does timerfd give us anything extra, then? If we only use interval > timers, things seems to work fine. So I wonder what the purpose of > introducing the timerfd stuff was. Greater efficiency? Not sure. Maybe more reliability? Signals can be lost or blocked. I hope Dmitry will be able to answer that.