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From: Dmitry Gutov <dgutov@yandex.ru>
To: Lars Magne Ingebrigtsen <larsi@gnus.org>,
	Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: Thinking about changed buffers
Date: Mon, 28 Mar 2016 22:32:49 +0300	[thread overview]
Message-ID: <c7bc13b9-e578-a5b0-d7a7-74172196ed22@yandex.ru> (raw)
In-Reply-To: <m34mbqiesf.fsf@gnus.org>

On 03/28/2016 10:27 PM, Lars Magne Ingebrigtsen wrote:

>> Still seems problematic if your 5 year old takes 2.7s to compute it on
>> a 1GB file.  You don't want to freeze for 2s in the normal course of
>> editing just because you happen to cross the "original size" threshold.
>
> Yeah, I don't see any way around that.

Don't use hashing. Use e.g. buffer-undo-list. We save enough data to 
return the buffer contents to the previous state, right? It should be 
possible to detect whether a given sequence of undo-s is a no-op.



  reply	other threads:[~2016-03-28 19:32 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-28 17:31 Thinking about changed buffers Lars Magne Ingebrigtsen
2016-03-28 17:56 ` Andreas Schwab
2016-03-28 18:00   ` Lars Magne Ingebrigtsen
2016-03-28 18:10     ` Andreas Schwab
2016-03-28 18:19       ` Lars Magne Ingebrigtsen
2016-03-28 18:30         ` Eli Zaretskii
2016-03-28 18:53           ` Lars Magne Ingebrigtsen
2016-03-28 18:57             ` Eli Zaretskii
2016-03-28 19:06               ` Lars Magne Ingebrigtsen
2016-03-28 19:15                 ` Eli Zaretskii
2016-03-28 19:23                   ` Lars Magne Ingebrigtsen
2016-03-28 19:38                     ` Eli Zaretskii
2016-03-28 19:46                       ` Lars Magne Ingebrigtsen
2016-03-28 20:21                         ` Lars Magne Ingebrigtsen
2016-03-29  2:29                           ` Eli Zaretskii
2016-03-28 18:54           ` Andreas Schwab
2016-03-28 18:22     ` Eli Zaretskii
2016-03-28 18:40 ` Lars Magne Ingebrigtsen
2016-03-28 18:49 ` Stephan Mueller
2016-03-28 19:13   ` Stefan Monnier
2016-03-28 19:20     ` Lars Magne Ingebrigtsen
2016-03-28 20:13       ` Clément Pit--Claudel
2016-03-28 20:32       ` Óscar Fuentes
2016-03-28 20:33       ` Stephan Mueller
2016-03-28 20:17     ` Marcin Borkowski
2016-03-28 18:51 ` Lars Magne Ingebrigtsen
2016-03-28 19:22   ` Stefan Monnier
2016-03-28 19:27     ` Lars Magne Ingebrigtsen
2016-03-28 19:32       ` Dmitry Gutov [this message]
2016-03-28 20:16         ` Clément Pit--Claudel
2016-03-28 20:22           ` Lars Magne Ingebrigtsen
2016-03-28 21:43       ` Stefan Monnier
2016-03-29  8:53 ` Florian Weimer
2016-03-29 13:14 ` Phillip Lord
2016-03-29 13:39   ` Stefan Monnier
2016-03-29 15:30     ` Lars Magne Ingebrigtsen
2016-04-03 23:05       ` John Wiegley
2016-04-03 23:29         ` Clément Pit--Claudel
2016-04-03 23:30           ` John Wiegley
2016-04-03 23:44           ` Óscar Fuentes
2016-04-04  0:20             ` Clément Pit--Claudel
2016-04-04  0:29               ` Óscar Fuentes
2016-04-04  5:21             ` Lars Magne Ingebrigtsen
2016-04-04  5:26               ` John Wiegley
2016-03-29 22:26     ` Phillip Lord
2016-04-03 23:05     ` John Wiegley

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