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From: scame via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: "47419@debbugs.gnu.org" <47419@debbugs.gnu.org>
Subject: bug#47419: 27.1; Misleading profiler info
Date: Sat, 27 Mar 2021 04:13:03 +0000	[thread overview]
Message-ID: <nqg-HBsud0c52wx_jOaPOUL9gQB1LIiBMMRQi09e_EKtg8PUKsvF7NmzfriQqkmc1PGd8g257KCE6MGzS1XKdzUHUIroM16CtGi4T7pb5P4=@protonmail.com> (raw)
In-Reply-To: <jwvzgypz82p.fsf-monnier+emacs@gnu.org>

>
> You can speed it up significantly by tightening the regexp,
> e.g. replacing .+ with [\s\t]+. It's still not superfast because our
> regexp engine is not tuned for that kind of situation, but it's better.

Right, thanks. I would have tried tightening the regexp if the profiler had
told me that was the problem, but as you write it incorrectly attributed
the slowness to the save-exursion call which put me on the wrong track
thinking it was some internal emacs bug.






      reply	other threads:[~2021-03-27  4:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-26 19:56 bug#47419: 27.1; slow running of snippet which reorders the file scame via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-03-27  1:55 ` bug#47419: 27.1; Misleading profiler info Stefan Monnier
2021-03-27  4:13   ` scame via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]

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