From: Eli Zaretskii <eliz@gnu.org>
To: "Herman Géza" <geza.herman@gmail.com>
Cc: 44007@debbugs.gnu.org
Subject: bug#44007: 26.3; Strange shell mode performance
Date: Mon, 06 Nov 2023 14:08:37 +0200 [thread overview]
Message-ID: <83v8af2iey.fsf@gnu.org> (raw)
In-Reply-To: <1cfcee64-0002-dedd-fb8f-528660e7c807@gmail.com> (message from Herman, Géza on Sun, 5 Nov 2023 17:46:15 +0100)
> Date: Sun, 5 Nov 2023 17:46:15 +0100
> From: Herman, Géza <geza.herman@gmail.com>
> Cc: 44007@debbugs.gnu.org
>
> I think I found another thing which is needed: tty echo must be enabled.
> With bash, echo is disabled by default, so the issue doesn't happen.
> With zsh, echo is enabled by default, and the issue happens (I'm not
> sure why zsh turns on echo).
>
> So either one has to use zsh to repro the issue, or use these updated steps:
> 1. emacs -Q
> 2. M-x shell RET
> 3. stty echo
> 4. seq 100000
>
> With echo disabled, "seq 100000" takes ~0.2 sec. With echo enabled, it
> takes 3 sec (and pressing RET immediately after executing seq makes it
> fast).
I'm not sure what exactly are we trying to do here. AFAIU, at least 2
variables were discovered that can speed up this example, so what else
has to be done? Is there any bug here, and if so, what is the bug?
next prev parent reply other threads:[~2023-11-06 12:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-15 9:53 bug#44007: 26.3; Strange shell mode performance Herman, Géza
2020-10-15 14:10 ` Eli Zaretskii
2020-10-15 14:34 ` Herman, Geza
2020-10-16 8:25 ` Andreas Röhler
2022-01-28 15:26 ` Lars Ingebrigtsen
2022-01-28 22:33 ` Herman, Géza
2022-01-29 6:52 ` Eli Zaretskii
2022-01-29 14:38 ` Lars Ingebrigtsen
2022-01-29 16:10 ` Herman, Géza
2023-11-05 16:46 ` Herman, Géza
2023-11-06 12:08 ` Eli Zaretskii [this message]
2023-11-06 12:28 ` Herman, Géza
2023-11-06 13:22 ` Eli Zaretskii
2023-11-06 13:37 ` Herman, Géza
2023-11-06 14:40 ` Eli Zaretskii
2023-11-06 15:00 ` Herman, Géza
2023-11-06 16:52 ` Eli Zaretskii
2023-11-06 17:25 ` Herman, Géza
2023-11-06 22:47 ` Dmitry Gutov
2020-10-16 10:44 ` Herman, Géza
2020-10-16 10:55 ` Eli Zaretskii
2020-10-16 12:23 ` Herman, Géza
2020-10-17 12:48 ` Herman, Géza
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