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bug#8890: 23.3; message writing slows emacs
From: |
Dave Abrahams |
Subject: |
bug#8890: 23.3; message writing slows emacs |
Date: |
Sat, 17 Sep 2011 02:23:05 -0400 |
User-agent: |
Gnus/5.110018 (No Gnus v0.18) Emacs/23.3 (darwin) |
on Sat Sep 17 2011, Lars Magne Ingebrigtsen <larsi-AT-gnus.org> wrote:
> Dave Abrahams <dave@boostpro.com> writes:
>
>>> So the general approach to fixing those problems is to say "use
>>> progress-reporter-update" since this function has the advantage of
>>> knowing that there will be a `progress-reporter-done' at some later
>>> point, which allows it to skip a message without worries.
>>
>> Hm. So there *is* a builtin functionality for this... well, that's
>> good. Sorry if I've wasted everyone's time on this.
>
> I didn't know about progress-reporter, so my time wasn't wasted, at
> least. :-)
>
> But I wonder whether a simpler, more general function would be
> possible. If we're outputting stuff that's not a percentage,
> progress-reporter doesn't help much.
>
> `message' could work as follows:
>
> If it's been less than (say) 50th of a second since the previous
> message, then don't message anything. However, set up a timer in a
> 100th of a second's time to display that message -- if nothing else has
> been displayed in the mean time.
Technically, that 100th of a second could be arbitrarily long:
,----[ (info "(elisp)Timers") ]
| Emacs cannot run timers at any arbitrary point in a Lisp program; it
| can run them only when Emacs could accept output from a subprocess:
| namely, while waiting or inside certain primitive functions such as
| `sit-for' or `read-event' which _can_ wait. Therefore, a timer's
| execution may be delayed if Emacs is busy. However, the time of
| execution is very precise if Emacs is idle.
`----
However, that might not be such a bad thing.
--
Dave Abrahams
BoostPro Computing
http://www.boostpro.com
bug#8890: 23.3; message writing slows emacs, Stefan Monnier, 2011/09/16
- bug#8890: 23.3; message writing slows emacs, Eli Zaretskii, 2011/09/16
- bug#8890: 23.3; message writing slows emacs, Stefan Monnier, 2011/09/16
- bug#8890: 23.3; message writing slows emacs, Dave Abrahams, 2011/09/16
- bug#8890: 23.3; message writing slows emacs, Lars Magne Ingebrigtsen, 2011/09/17
- bug#8890: 23.3; message writing slows emacs,
Dave Abrahams <=
- bug#8890: 23.3; message writing slows emacs, Eli Zaretskii, 2011/09/17
- bug#8890: 23.3; message writing slows emacs, Lars Magne Ingebrigtsen, 2011/09/17
- bug#8890: 23.3; message writing slows emacs, Eli Zaretskii, 2011/09/17
- bug#8890: 23.3; message writing slows emacs, Juri Linkov, 2011/09/17
bug#8890: 23.3; message writing slows emacs, Stefan Monnier, 2011/09/17
bug#8890: 23.3; message writing slows emacs, Lars Magne Ingebrigtsen, 2011/09/18
bug#8890: 23.3; message writing slows emacs, Stefan Monnier, 2011/09/18
bug#8890: 23.3; message writing slows emacs, Lars Magne Ingebrigtsen, 2011/09/21
bug#8890: 23.3; message writing slows emacs, Dave Abrahams, 2011/09/16