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From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Kangas <stefankangas@gmail.com>
Cc: monnier@iro.umontreal.ca, jdtsmith@gmail.com, emacs-devel@gnu.org
Subject: Re: Temporarily select-window, without updating mode-line face and cursor fill?
Date: Wed, 05 May 2021 14:54:02 +0300	[thread overview]
Message-ID: <83y2ct2y79.fsf@gnu.org> (raw)
In-Reply-To: <CADwFkmnUtg6mZH5XiAVfGZAnX-fOY+WipKDN8ETANEQ4s3=t9g@mail.gmail.com> (message from Stefan Kangas on Tue, 4 May 2021 19:49:25 -0500)

> From: Stefan Kangas <stefankangas@gmail.com>
> Date: Tue, 4 May 2021 19:49:25 -0500
> Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
> 
> Stefan Monnier <monnier@iro.umontreal.ca> writes:
> 
> > We really should simply speed up `line-number-at-pos`.
> > It shouldn't be hard.  See below what I do in nlinum.el.
> 
> Interesting, it seems much faster at least in this simplistic test:
> 
>     (benchmark-run 100000 (line-number-at-pos))
>     => (5.868677411999999 0 0.0)
> 
>     (benchmark-run 100000 (line-number-at-pos))
>     => (0.9772498589999999 1 0.5954873589998897)

Doesn't this measure the line number of the same position?  If so,
that's about as favorable benchmark for caching as possible, no?



  reply	other threads:[~2021-05-05 11:54 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-01 18:46 Temporarily select-window, without updating mode-line face and cursor fill? JD Smith
2021-05-01 19:31 ` Eli Zaretskii
2021-05-01 20:32   ` JD Smith
2021-05-02  6:49     ` Eli Zaretskii
2021-05-03  2:15       ` JD Smith
2021-05-03  7:50         ` martin rudalics
2021-05-03 16:16           ` JD Smith
2021-05-03 17:32             ` martin rudalics
2021-05-02  7:40     ` martin rudalics
2021-05-03  2:23       ` JD Smith
2021-05-01 22:17   ` JD Smith
2021-05-02  6:55     ` Eli Zaretskii
2021-05-03  2:08       ` JD Smith
2021-05-03  2:25         ` Stefan Monnier
2021-05-03  2:49           ` JD Smith
2021-05-04 19:28           ` JD Smith
2021-05-04 19:40             ` Stefan Monnier
2021-05-05  0:49           ` Stefan Kangas
2021-05-05 11:54             ` Eli Zaretskii [this message]
2021-05-05 19:32               ` Stefan Kangas
2021-05-05 19:47                 ` Stefan Monnier
2021-05-06  0:16                 ` JD Smith

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