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From: Kai Grossjohann <grossjohann@charly.cs.uni-dortmund.de>
Cc: ding@gnus.org, w3-beta@indiana.edu
Subject: Re: Regular expression performance in emacs, number of cached regexps
Date: 17 May 1998 21:20:31 +0200	[thread overview]
Message-ID: <447.440442121838$1042188491@news.gmane.org> (raw)
In-Reply-To: gsstark@mit.edu's message of "17 May 1998 13:49:54 -0400"

>>>>> gsstark@mit.edu (Gregory S. Stark) writes:

  > [...] If I recall correctly, Emacs cached the five most recently
  > used compiled regular expressions, and I was looping through about
  > six or seven. So Emacs was repeatedly recompiling the same six or
  > seven regular expressions and allocating memory only to be thrown
  > away as garbage shortly later, causing excessive regular
  > expression compilations and garbage collections. [...]

I think I read that the limit has been increased to maybe 20 or so in
a more recent Emacs (the yet to be released 20.3?).

But I'm sure RMS knows best :-)

kai
-- 
A large number of young women don't trust men with beards.
(BFBS Radio)


  reply	other threads:[~1998-05-17 19:20 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1998-05-17 17:49 Gregory S. Stark
1998-05-17 19:20 ` Kai Grossjohann [this message]
     [not found] ` <vafhg2o1z7k.fsf@ramses..cs.uni-dortmund.de>
1998-05-17 19:33   ` Hrvoje Niksic
1998-05-18  5:29 ` Richard Stallman
1998-05-18 15:49   ` William M. Perry
1998-05-19  4:45     ` Richard Stallman
1998-05-19 13:52       ` William M. Perry
1998-05-20  1:38         ` Richard Stallman
1998-05-20  6:43       ` Dale Hagglund
1998-05-20 11:47         ` William M. Perry
1998-05-21  7:13         ` Richard Stallman
1998-05-19  7:55   ` Jan Vroonhof

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