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Re: Hideously slow VC status queries fixed

From: Eric S. Raymond
Subject: Re: Hideously slow VC status queries fixed
Date: Fri, 28 Dec 2007 04:02:53 -0500
User-agent: Mutt/1.5.15+20070412 (2007-04-11)

Richard Stallman <address@hidden>:
>     After a few minutes I got this:
>       Warning (undo): Buffer `gcc' undo info was 3023389 bytes long.
>       The undo info was discarded because it exceeded `undo-outer-limit'.
> This probably means there is some buffer or some operation in which 
> undo should be turned off entirely.  For instance, when vc-dired
> fills the buffer with information, it may as well have undo turned
> off during that.

Excellent point.  I went and did it.

vc-state and vc-dir-state have been the main performance
bottlenecks in this code from day one.  Time spent tuning them
is not wasted.
                <a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>

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