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From: Arthur Miller <arthur.miller@live.com>
To: Alan Mackenzie <acm@muc.de>
Cc: Stephen Berman <stephen.berman@gmx.net>, emacs-devel@gnu.org
Subject: Re: The Emacs master is much slower than the emacs-27 branch.
Date: Fri, 04 Dec 2020 16:00:53 +0100	[thread overview]
Message-ID: <AM0PR06MB6577531840BBD6B569AD10BD96F10@AM0PR06MB6577.eurprd06.prod.outlook.com> (raw)
In-Reply-To: <AM0PR06MB65778B906554B4D526A2CFD296F10@AM0PR06MB6577.eurprd06.prod.outlook.com> (Arthur Miller's message of "Fri, 04 Dec 2020 15:55:14 +0100")

Arthur Miller <arthur.miller@live.com> writes:

> Alan Mackenzie <acm@muc.de> writes:
>
>> Hello, Steve.
>>
>> On Thu, Dec 03, 2020 at 23:17:18 +0100, Stephen Berman wrote:
>>> On Thu, 3 Dec 2020 18:15:30 +0000 Alan Mackenzie <acm@muc.de> wrote:
>>
>>> > Hello, Emacs.
>>
>>> > I've got pretty much up to date copies of both the master and the
>>> > emacs-27 branches.
>>
>>> > When I run my customary benchmark (see below) on master's src/xdisp.c in
>>> > master, it's taking around 34s.  On emacs-27, it's taking 22s.
>>
>>> Hm, this is odd: I just ran your benchmark on src/xdisp.c (starting
>>> Emacs with -Q, both configured with CFLAGS='-Og -g3') and got vastly
>>> different timings than you did:
>>
>>> master:   21.785817861557007
>>> emacs-27: 61.3885281085968
>>
>> Maybe the emacs-27 is built without optimisation for debugging.
>>
>>> This is with:
>>
>>> GNU Emacs 28.0.50 (build 42, x86_64-pc-linux-gnu, GTK+ Version 3.24.17,
>>> cairo version 1.17.3) of 2020-11-21
>>> emacs-repository-version: "0a8cd0116204354e95fbb4ebde64c58123502aa2"
>>
>>> and
>>
>>> GNU Emacs 27.1.50 (build 18, x86_64-pc-linux-gnu, GTK+ Version 3.24.17)
>>> of 2020-11-21
>>> emacs-repository-version: "3ceee398192e312faa3ea073365c49bcce9ef61b"
>>
>>> Steve Berman
> On my computer "stock" build from master (28) and 27.1 from Arch repo are at about
> same speed. I even posted on Reddit like two days ago.
>
> You can see in screenshots, image 1 and 3 are "stock" versions, 27.1 and
> 28. Image 2 is my own configured build (no gtk and some other stuff).
Sorry, I saw later mails and realized you were talking about benchmark;
thought you were talking about the startup :-).



  reply	other threads:[~2020-12-04 15:00 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-03 18:15 The Emacs master is much slower than the emacs-27 branch Alan Mackenzie
2020-12-03 20:17 ` Eli Zaretskii
2020-12-04  9:13   ` Alan Mackenzie
2020-12-03 20:59 ` Mattias Engdegård
2020-12-04  9:24   ` Alan Mackenzie
2020-12-04 10:46   ` Alan Third
2020-12-04 11:07     ` Mattias Engdegård
2020-12-03 21:09 ` Ergus
2020-12-04  9:19   ` Alan Mackenzie
2020-12-03 22:17 ` Stephen Berman
2020-12-04  9:04   ` Alan Mackenzie
2020-12-04  9:32     ` Stephen Berman
2020-12-04  9:53       ` Alan Mackenzie
2020-12-04 10:14         ` Stephen Berman
2020-12-04 11:45       ` Eli Zaretskii
2020-12-04 12:54         ` Stephen Berman
2020-12-04 13:28           ` Eli Zaretskii
2020-12-04 13:53             ` Stephen Berman
2020-12-04 14:05               ` Stephen Berman
2020-12-04 15:51                 ` Eli Zaretskii
2020-12-04 16:03                   ` Stephen Berman
2020-12-04 16:28                     ` Óscar Fuentes
2020-12-04 18:51                       ` Eli Zaretskii
2020-12-04 21:37                         ` Stephen Berman
2020-12-05  8:05                           ` Eli Zaretskii
2020-12-04 16:49                     ` Stefan Monnier
2020-12-05 14:04                       ` Basil L. Contovounesios
2020-12-05 14:38                         ` Stefan Monnier
     [not found]                     ` <837dpxedmz.fsf@gnu.org>
2020-12-04 17:03                       ` Stephen Berman
2020-12-04 17:59                         ` Stephen Berman
2020-12-04 20:47                           ` Óscar Fuentes
2020-12-04 21:33                             ` Stephen Berman
2020-12-04 17:07                     ` Eli Zaretskii
2020-12-04 19:27                   ` Gregory Heytings via Emacs development discussions.
2020-12-04 19:34                     ` Stephen Berman
2020-12-04 19:58                     ` Eli Zaretskii
2020-12-04 20:33                       ` Gregory Heytings via Emacs development discussions.
2020-12-04 20:47                         ` Eli Zaretskii
2020-12-04 20:59                           ` Gregory Heytings via Emacs development discussions.
2020-12-04 21:02                             ` Eli Zaretskii
2020-12-04 21:20                               ` Gregory Heytings via Emacs development discussions.
2020-12-05  7:44                                 ` Eli Zaretskii
2020-12-05  8:14                                   ` Gregory Heytings via Emacs development discussions.
2020-12-05  8:44                                     ` Gregory Heytings via Emacs development discussions.
2020-12-05  9:14                                       ` Eli Zaretskii
2020-12-05  9:20                                         ` Eli Zaretskii
2020-12-05  9:33                                           ` Eli Zaretskii
2020-12-05 13:50                                             ` Basil L. Contovounesios
2020-12-05 14:29                                               ` Eli Zaretskii
2020-12-05 14:56                                                 ` Ergus
2020-12-05 15:14                                                   ` Eli Zaretskii
2020-12-05 15:29                                                     ` Andrea Corallo via Emacs development discussions.
2020-12-05 15:15                                             ` Gregory Heytings via Emacs development discussions.
2020-12-05 15:31                                               ` Óscar Fuentes
2020-12-05  9:05                                     ` Eli Zaretskii
2020-12-05  9:23                                     ` martin rudalics
2020-12-05 12:55                                       ` Gregory Heytings via Emacs development discussions.
2020-12-05 13:41                                         ` Eli Zaretskii
2020-12-05 15:17                                           ` Gregory Heytings via Emacs development discussions.
2020-12-05 15:55                                             ` Eli Zaretskii
2020-12-05 14:47                                       ` Óscar Fuentes
2020-12-05 15:07                                         ` martin rudalics
2020-12-05 15:24                                           ` Gregory Heytings via Emacs development discussions.
2020-12-05 15:36                                             ` martin rudalics
2020-12-05 15:39                                               ` Gregory Heytings via Emacs development discussions.
2020-12-05 15:47                                                 ` Óscar Fuentes
2020-12-05 17:21                                                   ` Gregory Heytings via Emacs development discussions.
2020-12-05 15:57                                                 ` Eli Zaretskii
2020-12-05 16:04                                                   ` Gregory Heytings via Emacs development discussions.
2020-12-05 15:08                                         ` Eli Zaretskii
2020-12-04 14:55     ` Arthur Miller
2020-12-04 15:00       ` Arthur Miller [this message]
2020-12-04  9:59 ` Gregory Heytings via Emacs development discussions.
2020-12-09  4:23   ` andres.ramirez

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