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From: Richard Stallman <rms@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: M-x grep is too slow
Date: Mon, 12 Jul 2004 19:58:09 -0400	[thread overview]
Message-ID: <E1BkAgT-0000zL-9a@fencepost.gnu.org> (raw)
In-Reply-To: <m3brim8m2r.fsf@defun.localdomain> (message from Jesper Harder on Sun, 11 Jul 2004 19:56:12 +0200)

    The time is used in `compilation-filter', i.e. by simply inserting the
    strings in the buffer.

That is quite strange.  I suspect this is due to some sort of hook,
because just inserting strings at the end of the buffer will not get
slower.  Is it due to the font-lock mechanism perhaps?

If you run under GDB, you can stop it with C-z from time to time
and make C and Lisp backtraces.  That should give more info about
what is taking the time.

Can you determine precisely which change made this problem appear?

Can someone else join in looking at the problem?
Here's the way to make it fail

       M-x grep -nH -e while emacs/lisp/gnus/*.el

    had not finished in over 20 minutes.

       reply	other threads:[~2004-07-12 23:58 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <m3fz87bj8l.fsf@defun.localdomain>
     [not found] ` <E1BhWlL-0007Mq-Ns@fencepost.gnu.org>
     [not found]   ` <m3n02a2uo4.fsf@defun.localdomain>
     [not found]     ` <E1Bixsv-0001wJ-G8@fencepost.gnu.org>
     [not found]       ` <m3brim8m2r.fsf@defun.localdomain>
2004-07-12 23:58         ` Richard Stallman [this message]
2004-07-13  0:36           ` M-x grep is too slow Kenichi Handa
2004-07-13  5:00             ` Eli Zaretskii
2004-07-13 17:46             ` Stefan Monnier
2004-07-16 14:51               ` Kim F. Storm
2004-07-17 11:54                 ` Richard Stallman
2004-07-19 14:46                   ` Kim F. Storm
2004-07-20 20:43                     ` Richard Stallman
2004-07-21  8:36                       ` Kim F. Storm
2004-07-22 21:36                         ` Richard Stallman
2004-07-14  0:18             ` Richard Stallman
2004-07-14  0:17           ` Richard Stallman

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