From: Ihor Radchenko <yantar92@gmail.com>
To: Chen Bin <chenbin.sh@gmail.com>
Cc: 55729@debbugs.gnu.org
Subject: bug#55729: 27.1; Emacs 28.1 `string-match' is five times slower than Emacs 27.1
Date: Mon, 30 May 2022 23:01:07 +0800 [thread overview]
Message-ID: <87zgizysi4.fsf@localhost> (raw)
In-Reply-To: <874k17cc4i.fsf@gmail.com>
Chen Bin <chenbin.sh@gmail.com> writes:
> Run below code in both Emacs 28.1 and Emacs 27.1
>
> ;; Run "base64 /dev/urandom | head -c 3000000000 > 3g.txt" to create 3g.txt
> ;; Then run below code in Emacs,
>
> Using same machine, same emacs setup, 28 is alwasy much slower than 27.
On my system:
Emacs-27 (0.032783519 0 0.0) vs (0.093436952 0 0.0)
Emacs-28 (latest) (0.037079772999999996 0 0.0) vs (0.162106006 0 0.0)
Emacs-29 (latest) (0.03358834 0 0.0) vs (0.15387368299999998 0 0.0)
Best,
Ihor
next prev parent reply other threads:[~2022-05-30 15:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-30 14:45 bug#55729: 27.1; Emacs 28.1 `string-match' is five times slower than Emacs 27.1 Chen Bin
2022-05-30 15:01 ` Ihor Radchenko [this message]
2022-05-30 15:09 ` Lars Ingebrigtsen
2022-05-30 15:10 ` Lars Ingebrigtsen
2022-05-30 15:58 ` Eli Zaretskii
2022-05-30 16:03 ` Eli Zaretskii
2022-05-31 1:04 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-05-31 2:25 ` Eli Zaretskii
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