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Re: Slow start-up on Git trees

From: Christian Faulhammer
Subject: Re: Slow start-up on Git trees
Date: Wed, 19 Aug 2009 23:54:29 +0200


Dan Nicolaescu <address@hidden>:

> Christian Faulhammer <address@hidden> writes:
>   > Hi,
>   > 
>   > Joakim Tjernlund reported in
>   > http://bugs.gentoo.org/show_bug.cgi?id=281009 that Emacs started
>   > in a Git tree is really slow.  This does not happen with other
>   > SCM systems and we were able to reproduce the problem and
>   > narrowing it down to /usr/bin/git diff-index -z HEAD -- Makefile,
>   > called in vc-git-state.  Any possibilities to improve performance
>   > here?
> There are at lease two ways: 
> - talk the git people to improve the performance of "git diff-index",

 Which makes performance depending on the installed Git version.

> Is worth it?  
> I'd say probably not, the delay only happens the first time of
> accessing a file in the git tree.

 If it is annoying enough to generate a bug report on our tracker, it
is a problem.


Christian Faulhammer, Gentoo Lisp project
<URL:http://www.gentoo.org/proj/en/lisp/>, #gentoo-lisp on FreeNode


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