From: Arthur Miller <arthur.miller@live.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org, akrl@sdf.org
Subject: Re: Q: What is default architecture for code produced by native compiler?
Date: Thu, 26 Aug 2021 17:58:54 +0200 [thread overview]
Message-ID: <AM9PR09MB49771F0767C046650529D24B96C79@AM9PR09MB4977.eurprd09.prod.outlook.com> (raw)
In-Reply-To: <83mtp4u1zx.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 26 Aug 2021 09:57:38 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Arthur Miller <arthur.miller@live.com>
>> Cc: akrl@sdf.org, emacs-devel@gnu.org
>> Date: Thu, 26 Aug 2021 01:26:30 +0200
>>
>> > I'm also curious why you want to mess with that. Do you use the
>> > equivalent GCC switches when compiling Emacs? If so, why?
>> Yes, I do, I compile Emacs with -O3 -march=native and -mcpu=native
>>
>> Hopefully gcc will emit some AVX instructions where possible. I haven't
>> dissasembled Emacs binary so I don't know how big is difference between generic
>> and native.
>
> Well, I suggest that you do look into the differences between the
> produced code, and try to measure the effect on the speed of Emacs.
>
> Btw, -O3 is not recommended, as it frequently produces a slower Emacs.
Do you sugest some benchmarks I could try?
next prev parent reply other threads:[~2021-08-26 15:58 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-24 19:29 Q: What is default architecture for code produced by native compiler? Arthur Miller
2021-08-24 20:11 ` Andrea Corallo via Emacs development discussions.
2021-08-25 1:13 ` Arthur Miller
2021-08-25 11:31 ` Eli Zaretskii
2021-08-25 23:26 ` Arthur Miller
2021-08-26 6:57 ` Eli Zaretskii
2021-08-26 8:02 ` martin rudalics
2021-08-26 8:16 ` Eli Zaretskii
2021-08-26 16:02 ` Arthur Miller
2021-08-26 16:29 ` Eli Zaretskii
2021-08-26 17:54 ` Arthur Miller
2021-08-26 15:59 ` Arthur Miller
2021-08-26 15:58 ` Arthur Miller [this message]
2021-08-26 16:27 ` Eli Zaretskii
2021-08-26 17:52 ` Arthur Miller
2021-08-25 2:49 ` Arthur Miller
2021-08-25 7:36 ` Andrea Corallo via Emacs development discussions.
2021-08-25 12:04 ` Eli Zaretskii
2021-08-25 13:04 ` Andrea Corallo via Emacs development discussions.
2021-08-25 13:11 ` Eli Zaretskii
2021-08-25 13:19 ` Andrea Corallo via Emacs development discussions.
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=AM9PR09MB49771F0767C046650529D24B96C79@AM9PR09MB4977.eurprd09.prod.outlook.com \
--to=arthur.miller@live.com \
--cc=akrl@sdf.org \
--cc=eliz@gnu.org \
--cc=emacs-devel@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).