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Re: Bzr switch

From: Daniel Clemente
Subject: Re: Bzr switch
Date: Tue, 30 Jun 2009 12:09:03 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux)

El dt, jun 30 2009 a les 04:05, Robert Collins va escriure:
> Secondly, much of the performance improvements are obtained by using a
> better representation for the hash that contains versioned file data in
> a revision; 1.9 is _massively_ slower than 2a, and doing the conversion
> is inordinately time consuming (even though its simple to do, its
> hampered by having poor source format performance).
> 2a is approximately 1/3 the size on disk for most projects, which also
> adds to performance, by requiring less data transfer, less cache
> footprint etc. 
  This post has benchmarks and gives very good results for 2a, even for 
OpenOffice.org (260K revisions).

  Quote from there:

| In a nutshell, 2a with the latest bzr.dev is looking pretty good:
|     * status, diff and commit typically take a second or two
|     * recent history commands take 0.2 seconds
|     * full history log takes around a minute

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