From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail
From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: A proposal for the future of
 open-paren-in-column-0-is-defun-start.
Date: Mon, 06 Apr 2020 19:36:25 +0300
Message-ID: <83y2r8r2pj.fsf@gnu.org>
References: <20200405134735.GD5049@ACM> <jwv4ktyhurf.fsf-monnier+emacs@gnu.org>
 <E1jLHdh-0005Ld-Hk@fencepost.gnu.org>
 <jwv1rp0fx66.fsf-monnier+emacs@gnu.org> <831rp0siqn.fsf@gnu.org>
 <jwva73oeg4u.fsf-monnier+emacs@gnu.org>
Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202";
	logging-data="77888"; mail-complaints-to="usenet@ciao.gmane.io"
Cc: acm@muc.de, rms@gnu.org, emacs-devel@gnu.org
To: Stefan Monnier <monnier@iro.umontreal.ca>
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Apr 06 18:37:07 2020
Return-path: <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>
Envelope-to: ged-emacs-devel@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 <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>)
	id 1jLUkE-000KAV-V2
	for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Apr 2020 18:37:06 +0200
Original-Received: from localhost ([::1]:35060 helo=lists1p.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.90_1)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>)
	id 1jLUkE-0003Ob-28
	for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Apr 2020 12:37:06 -0400
Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52624)
 by lists.gnu.org with esmtp (Exim 4.90_1)
 (envelope-from <eliz@gnu.org>) id 1jLUjm-0002oh-4H
 for emacs-devel@gnu.org; Mon, 06 Apr 2020 12:36:39 -0400
Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:34703)
 by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@gnu.org>)
 id 1jLUjl-0003rc-EZ; Mon, 06 Apr 2020 12:36:37 -0400
Original-Received: from [176.228.60.248] (port=3554 helo=home-c4e4a596f7)
 by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256)
 (Exim 4.82) (envelope-from <eliz@gnu.org>)
 id 1jLUje-0002mP-1t; Mon, 06 Apr 2020 12:36:30 -0400
In-Reply-To: <jwva73oeg4u.fsf-monnier+emacs@gnu.org> (message from Stefan
 Monnier on Mon, 06 Apr 2020 12:25:51 -0400)
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]
X-BeenThere: emacs-devel@gnu.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: "Emacs development discussions." <emacs-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-devel>,
 <mailto:emacs-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <https://lists.gnu.org/archive/html/emacs-devel>
List-Post: <mailto:emacs-devel@gnu.org>
List-Help: <mailto:emacs-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-devel>,
 <mailto:emacs-devel-request@gnu.org?subject=subscribe>
Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org
Original-Sender: "Emacs-devel"
 <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>
Xref: news.gmane.io gmane.emacs.devel:246541
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/246541>

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: rms@gnu.org,  acm@muc.de,  emacs-devel@gnu.org
> Date: Mon, 06 Apr 2020 12:25:51 -0400
> 
> > Actually, we had a few detailed profiles posted which show many levels
> > below "somewhere in jit-lock", at least for CC Mode.
> 
> Hmm... I must have missed them.  Sorry 'bout that.
> Do we then know where the time is really spent?

I think the profiles do show that, at least for CC Mode when
fontifying a C buffer (xdisp.c).

I do agree, of course, that we should profile and measure more before
making any firm conclusions.  But let's not dismiss what we already
have.