bazaar performance with single large project and a comparison with?git / mercurial

Stefan Monnier monnier at iro.umontreal.ca
Thu Apr 24 13:44:27 BST 2008


>> Thanks Teemu! Those results were very astonishing for me! The
>> performance of git seems to be not marginally but almost an order of
>> magnitude faster than Bazaar! git seems to be doing operation in
>> seconds where Bazaar takes minutes! Is that really true or am I
>> misreading those tests?
> It's true.

Indeed. :-(

> However, some of the causes are known (look for a conversation between
> me and Robert Collins in this list last month or early this month, he
> has a post explaining the known issues), and a lot of work is already
> in progress (see patches by Robert and by John Meinel posted recently).

Yes, still waiting for those improvements.  When using the Emacs
repository, Bzr is slower than CVS when doing "bzr diff -r submit:" or
"bzr log" or "bzr annotate".  The is very sad since Bzr is working fully
locally on a fairly fast and completely unloaded machine, whereas CVS
has to contact the remote subversion.gnu.org server shared by many
projects and hence rather loaded (and the log/diff/annotate is actually
performed by the remote machine).


        Stefan




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