From: Eli Zaretskii <eliz@gnu.org>
To: Arthur Miller <arthur.miller@live.com>
Cc: emacs-devel@gnu.org, akrl@sdf.org
Subject: Re: Q: What is default architecture for code produced by native compiler?
Date: Wed, 25 Aug 2021 14:31:30 +0300 [thread overview]
Message-ID: <83pmu1vjzh.fsf@gnu.org> (raw)
In-Reply-To: <AM9PR09MB497737899A5209564845B01B96C69@AM9PR09MB4977.eurprd09.prod.outlook.com> (message from Arthur Miller on Wed, 25 Aug 2021 03:13:49 +0200)
> From: Arthur Miller <arthur.miller@live.com>
> Date: Wed, 25 Aug 2021 03:13:49 +0200
> Cc: emacs-devel@gnu.org
>
> >> If it is generic, do we have option to pass in arch and cpu flags?
> >
> > No we don't, even if we could expose it using
> > 'gcc_jit_context_add_command_line_option' for non obsolete versions of
> > GCC.
>
> Allright, is there any interest to expose this? :-)
>
> We could have a defcustom in comp.el, either some boolean like:
> "native-comp-prefer-host-cpu"
What's wrong with using native-comp-driver-options?
I'm also curious why you want to mess with that. Do you use the
equivalent GCC switches when compiling Emacs? If so, why?
> To be honest, I have no idea if there is much if anything to win in speed in elisp context,
> between generic and skylake
My guess would be nothing. And if you want to try that, I'd first
suggest trying that when building some program with GCC.
next prev parent reply other threads:[~2021-08-25 11:31 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 [this message]
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
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.
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