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bug#20611: 24.4; mutt slow in ansi-term
From: |
Eli Zaretskii |
Subject: |
bug#20611: 24.4; mutt slow in ansi-term |
Date: |
Tue, 12 Apr 2016 18:27:44 +0300 |
> From: Alexis <flexibeast@gmail.com>
> Cc: mark@hindley.org.uk, 20611@debbugs.gnu.org, mbork@mbork.pl
> Date: Tue, 12 Apr 2016 17:59:17 +1000
>
> i wasn't sure which version of 23 i should try, so i downloaded
> both 23.1 and 23.4.
I don't think it matters.
> `configure' for 23.4 required me to call `configure' with the
> option "--with-crt-dir=/usr/lib/x86_64-linux-gnu". Compilation was
> then successful. This version showed no lag at all.
So you, too, see a slowdown.
> > Also, were v24.5 and the current master compiled with the same
> > compilation options, and similar to Emacs 23?
>
> Not according to the following, no. Having said that, i've not
> manually made any modifications to the configuration in the
> tarballs, or on master.
Actually, the options that could affect performance are identical,
AFAICT, thanks.
> > Thanks. I reviewed all the functions that are high on the
> > profile (term-goto seems to be the main culprit), and didn't see
> > any significant changes in them since Emacs 23. Some of them
> > were not changed at all. So I'm puzzled how can Emacs 24 and
> > Emacs 25 be significantly slower only in term.el.
>
> Fair enough. One observation, though: the OP and i are both
> running Debian Jessie.
If in Emacs 24 or 25 you set bidi-display-reordering to nil in the
*ansi-term* buffer, do you see any significant speedup?
Another thing to try is load term.el from Emacs 23 into Emacs 24 or
25, and see if that results in any speedup.
Thanks.
- bug#20611: 24.4; mutt slow in ansi-term, Marcin Borkowski, 2016/04/08
- bug#20611: 24.4; mutt slow in ansi-term, Mark Hindley, 2016/04/09
- bug#20611: 24.4; mutt slow in ansi-term, Eli Zaretskii, 2016/04/09
- bug#20611: 24.4; mutt slow in ansi-term, Mark Hindley, 2016/04/10
- bug#20611: 24.4; mutt slow in ansi-term, Eli Zaretskii, 2016/04/10
- bug#20611: 24.4; mutt slow in ansi-term, Alexis, 2016/04/10
- bug#20611: 24.4; mutt slow in ansi-term, Eli Zaretskii, 2016/04/11
- bug#20611: 24.4; mutt slow in ansi-term, Alexis, 2016/04/12
- bug#20611: 24.4; mutt slow in ansi-term,
Eli Zaretskii <=
- bug#20611: 24.4; mutt slow in ansi-term, Alexis, 2016/04/12
- bug#20611: 24.4; mutt slow in ansi-term, Mark Hindley, 2016/04/12
- bug#20611: 24.4; mutt slow in ansi-term, Eli Zaretskii, 2016/04/12
- bug#20611: 24.4; mutt slow in ansi-term, Mark Hindley, 2016/04/13
- bug#20611: 24.4; mutt slow in ansi-term, Alexis, 2016/04/13
- bug#20611: 24.4; mutt slow in ansi-term, Eli Zaretskii, 2016/04/13
- bug#20611: 24.4; mutt slow in ansi-term, Alexis, 2016/04/15
- bug#20611: 24.4; mutt slow in ansi-term, Eli Zaretskii, 2016/04/16