Emacs repository benchmark: bzr and git

Lennart Borgman (gmail) lennart.borgman at gmail.com
Tue Mar 18 15:51:06 GMT 2008


Teemu Likonen wrote:
> I did some benchmarking in git and bzr repositories of Emacs. Some
> numbers: 89711 revisions (by "git log --pretty=oneline | wc -l"), 2825
> files. Both repositories seem to have just linear history converted from
> CVS repo. Both have the same head revision which is
> 481c2a1e31f32c8aa0fb6d504575b75a18537788 (git) and
> revid:cvs-1:tsdh-20080318180244-lxbzttdnh6ecqbka (bzr).
> 
> Repositories/branches are pulled from here:
> git: git://git.sv.gnu.org/emacs.git
> bzr: http://bzr.notengoamigos.org/emacs/trunk/
> 
> My system is AMD Sempron 3000+ with 2 GB memory and it's running Debian
> GNU/Linux 4.0. I'm using the latest development versions of both git
> (1.5.5.rc0.6.gdeda) and bzr (1.4dev). I just measured with 'time'
> command how long it takes to run certain commands.
> 
> 
> 
> Viewing history
> ---------------
> 
> 
> The complete history:
> 
> $ time git log >/dev/null
> real    0m5.741s
> 
> $ time bzr log >/dev/null
> real    3m15.708s

I no nothing about this, but it looks like the bzr developers thinks 
that bzr is as fast as git:

   http://bazaar-vcs.org/Benchmarks

It looks like something is wrong, I have absolutely no idea what. Was 
someone here in contact with the bzr developers?



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