From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail
From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: macOS metal rendering engine in mac port
Date: Tue, 25 May 2021 16:47:41 +0300
Message-ID: <83r1hvaps2.fsf@gnu.org>
References: <CAHyO48zedwBhjqghkQ=sHSNDEzLWw2hEQaxE_XCoAXe+xVHQyw@mail.gmail.com>
 <83k0nncznr.fsf@gnu.org>
 <CAHyO48yxxdURvZSzrWn-F+6wKwHgpwcoXD7_w0NmWLcfBKkUkw@mail.gmail.com>
 <279F3242-E556-42C9-8489-4DD8F538938E@gnu.org>
 <CAHyO48wR7C62j7Ru9hchmjX_AvHDLQ9rckfF_fLdBRYii8oTfQ@mail.gmail.com>
 <83bl8zc8ku.fsf@gnu.org> <YKz0C+auTlu7k/Il@idiocy.org>
 <834kerc6jo.fsf@gnu.org> <YKz2e4nImLpDhVYJ@idiocy.org>
 <83y2c3ar5d.fsf@gnu.org> <YKz87asgoKk69MT2@breton.holly.idiocy.org>
Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214";
	logging-data="3373"; mail-complaints-to="usenet@ciao.gmane.io"
Cc: alan@idiocy.org, aaronjensen@gmail.com, emacs-devel@gnu.org
To: Alan Third <alan@idiocy.org>
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue May 25 15:49:07 2021
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 1llXQh-0000ao-2q
	for ged-emacs-devel@m.gmane-mx.org; Tue, 25 May 2021 15:49:07 +0200
Original-Received: from localhost ([::1]:35036 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 1llXQf-0006Gv-Sa
	for ged-emacs-devel@m.gmane-mx.org; Tue, 25 May 2021 09:49:05 -0400
Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37612)
 by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <eliz@gnu.org>) id 1llXPN-0004IQ-GS
 for emacs-devel@gnu.org; Tue, 25 May 2021 09:47:46 -0400
Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:45594)
 by eggs.gnu.org with esmtp (Exim 4.90_1)
 (envelope-from <eliz@gnu.org>)
 id 1llXPL-0007Rs-JS; Tue, 25 May 2021 09:47:44 -0400
Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:1466
 helo=home-c4e4a596f7)
 by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <eliz@gnu.org>)
 id 1llXPL-0005pu-0U; Tue, 25 May 2021 09:47:43 -0400
In-Reply-To: <YKz87asgoKk69MT2@breton.holly.idiocy.org> (message from Alan
 Third on Tue, 25 May 2021 14:34:37 +0100)
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:269857
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/269857>

> Date: Tue, 25 May 2021 14:34:37 +0100
> From: Alan Third <alan@idiocy.org>
> Cc: aaronjensen@gmail.com, emacs-devel@gnu.org
> 
> FWIW, on the Mac I see a slightly smaller performance penalty with
> display-line-numbers-mode, around 18%.

Is that an optimized build or unoptimized?  In my tests with optimized
builds, line numbers add about 10% to 12% to the scroll benchmark.
Unoptimized code shows almost no effect: around 2%.