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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Philip Kaludercic <philipk@posteo.net>
Cc: emacs-devel@gnu.org
Subject: Re: master 43237f3d27: ; * rcirc.el (rcirc-print): Prefer sleep-for over sit-for
Date: Sat, 19 Feb 2022 15:01:21 -0500	[thread overview]
Message-ID: <jwviltatyoo.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <20220219193512.0F87BC00894@vcs2.savannah.gnu.org> (Philip Kaludercic's message of "Sat, 19 Feb 2022 14:35:11 -0500 (EST)")

Philip Kaludercic [2022-02-19 14:35:11] wrote:
> branch: master
> commit 43237f3d27897e2a0c6de745770802d0ba40e3a5
> Author: Philip Kaludercic <philipk@posteo.net>
> Commit: Philip Kaludercic <philipk@posteo.net>
>
>     ; * rcirc.el (rcirc-print): Prefer sleep-for over sit-for
>     
>     Compare
>     
>             (benchmark-run 100000 (sit-for 0))
>             ;; => (2.600030102 12 1.523461324000003)
>     
>     with
>     
>             (benchmark-run 100000 (sleep-for 0))
>             ;; (0.015882939 0 0.0)

I think that's because `sleep-for` doesn't redisplay whereas `sit-for`
(usually) does.

> -        (sit-for 0)			; displayed text before hook
> +        (sleep-for 0)			; displayed text before hook

What is this for?  The comment suggests it might be because you want to
force a redisplay, but if `sleep-for` does the trick apparently that's not it.


        Stefan




       reply	other threads:[~2022-02-19 20:01 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <164529931177.1767.11895834409261548078@vcs2.savannah.gnu.org>
     [not found] ` <20220219193512.0F87BC00894@vcs2.savannah.gnu.org>
2022-02-19 20:01   ` Stefan Monnier [this message]
2022-02-19 21:04     ` master 43237f3d27: ; * rcirc.el (rcirc-print): Prefer sleep-for over sit-for Philip Kaludercic

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