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From: Eli Zaretskii <eliz@gnu.org>
To: Jim Porter <jporterbugs@gmail.com>
Cc: justksqsf@gmail.com, 71454@debbugs.gnu.org, jb@jeremybryant.net
Subject: bug#71454: 30.0.50; Performance issues with font selection
Date: Mon, 10 Jun 2024 20:35:42 +0300	[thread overview]
Message-ID: <86a5js8zv5.fsf@gnu.org> (raw)
In-Reply-To: <1927ec80-ee2f-1b28-5e43-05f7bd57a21a@gmail.com> (message from Jim Porter on Mon, 10 Jun 2024 09:31:53 -0700)

> Date: Mon, 10 Jun 2024 09:31:53 -0700
> Cc: jb@jeremybryant.net, 71454@debbugs.gnu.org
> From: Jim Porter <jporterbugs@gmail.com>
> 
> On 6/10/2024 4:53 AM, Eli Zaretskii wrote:
> > My crystal ball says that the expensive part here is character
> > composition.  The above characters belong to scripts that require
> > extensive composition rules, take a look at indian.el and its complex
> > regexps.
> 
> That would show up in a profile, right?

No, because Lisp functions called from C don't show in the profile.

> Here's what I get when I start "emacs -Q", start profiling, and then
> call "C-h v comint-password-prompt-regexp RET". It's not the most
> interesting profile since most of it is probably in C code. I do see
> 'auto-compose-chars' in there, however it's got ~0% of the samples
> from the profiler.

As expected, see above.





  reply	other threads:[~2024-06-10 17:35 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-09 18:56 bug#71454: 30.0.50; Performance issues with font selection Kai Ma
2024-06-09 22:10 ` Jeremy Bryant via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-09 22:17   ` Kai Ma
2024-06-09 22:34     ` Jeremy Bryant via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-10  2:14       ` Kai Ma
2024-06-10 12:04         ` Eli Zaretskii
2024-06-09 23:10     ` Jim Porter
2024-06-10  2:18       ` Kai Ma
2024-06-10 11:53         ` Eli Zaretskii
2024-06-10 16:31           ` Jim Porter
2024-06-10 17:35             ` Eli Zaretskii [this message]
2024-06-10 11:55     ` Eli Zaretskii
2024-06-10 12:35       ` Kai Ma
2024-06-10 12:59         ` Eli Zaretskii
2024-06-10 16:42           ` Gerd Möllmann
2024-06-10 17:36             ` Kai Ma
2024-06-10 18:05               ` Gerd Möllmann
2024-06-10 11:58 ` Eli Zaretskii
2024-06-10 12:34   ` Kai Ma
2024-06-10 13:03     ` Eli Zaretskii

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