On Dec 8, 7:03 am, dmuir <[email protected]> wrote: > Yarko, > Thanks for the updated benchmark. Will pass it on to bzr devs. Indeed, > bzr is a bit slower than hg, and I'd love to see that performance gap > closed. > All the best with web2py! > > Cheers, > David
No worries, David - there are still no doubt other things at play. Linux version was listed in my last post. Machine is 4G RAM (3.6G available) AMD Phenom 9500 Quad Core (see more at: http://2linices.blogspot.com/2009/06/kickoff.html). - Yarko > > On Dec 8, 5:22 pm, Yarko Tymciurak <[email protected]> > wrote: > > > > > On Dec 7, 10:25 pm, dmuir <[email protected]> wrote: > > > > Thadeus, > > > Apologies for butting in on this list... but the links you gave show > > > exactly why it's important to run your own tests. The comparisons are > > > *very* out-dated. There have been over 16 releases of Bazaar since > > > then. I don't follow hg or git development, but I'm guessing they've > > > had a few releases since then as well... > > > > Overall, Yarko's comparisons are more between Launchpad and Google > > > Code than bzr vs hg. > > > *sigh* - yes, it would appear that _might_ be so, and I agree - you > > should take your own measures... > > > Let me look at a machine local hg clone of the same, and compare it to > > a machine local bzr branch. The way I did this: the web2py hg clone > > from google code copied, revision history cleared, and then the tree > > init'd with each, and then cloned/branched. > > > hg : 0.514s > > bzr: 2.236s > > > so now it's only ~1/2 an order of magnitude difference (Bigtable, and > > Google resources no doubt had impact). > > > The thing I will point out, regardless of the numbers, the experience > > is born out. Yes, we made it _much_ worse by vresioning compressed > > tar files (shame on us); this really exacerbated the situation. > > Even so, the feel of hg has always seemed faster (locally, you can > > _feel_ this), and these numbers (however empirical) so far bear that > > out. > > > Regards, > > - Yarko > > --------------------------- > > ~/workspace/web2py$ rm -rf local-hg > > ~/workspace/web2py$ time hg clone clean-hg-hg local-hg > > updating to branch default > > 603 files updated, 0 files merged, 0 files removed, 0 files unresolved > > > real 0m0.514s > > user 0m0.364s > > sys 0m0.152s > > ~/workspace/web2py$ hg --versionMercurialDistributed SCM (version 1.4.1) > > ------------------------------------ > > ~/workspace/web2py$ rm -rf local-bzr > > ~/workspace/web2py$ time bzr branch clean-hg-bzr local-bzr > > Branched 1 revision > > (s). > > > real 0m2.236s > > user 0m1.880s > > sys 0m0.248s > > ~/workspace/web2py$ bzr --version > > Bazaar (bzr) 2.0.2 > > Python interpreter: /usr/bin/python 2.6.2 > > Python standard library: /usr/lib/python2.6 > > Platform: Linux-2.6.28-17-generic-i686-with-Ubuntu-9.04-jaunty > > bzrlib: /usr/lib/python2.6/dist-packages/bzrlib > > Bazaar configuration: ~/.bazaar > > Bazaar log file: ~/.bzr.log > > > > Cheers, > > > David > > > > On Dec 8, 11:19 am, Thadeus Burgess <[email protected]> wrote: > > > > > There are many.... many... many comparisons on version control systems > > > > and times. > > > > > Read this, and we can stop doing our own tests :) > > > > >http://www.infoq.com/articles/dvcs-guide > > > > > Want an even better description of the differences of each of the > > > > systems > > > > >http://versioncontrolblog.com/comparison/Bazaar/CVS/Git/Mercurial/Sub... > > > > > How about home directory versioning > > > > >http://joshcarter.com/productivity/svn_hg_git_for_home_directory > > > > > Needless to say, the statistics speak for themselves :) > > > > > -Thadeus > > > > > On Mon, Dec 7, 2009 at 5:54 PM, Yarko Tymciurak > > > > > <[email protected]> wrote: > > > > > > On Dec 7, 5:01 pm, Alexander Belchenko <[email protected]> > > > > > wrote: > > > > >> Just for the record. > > > > > >> Next time you will compare, try to compare similar history. > > > > > >> bzr repository has ~1500 revisions and it size ~600MB. > > > > >> hg repository has only 3 revisions and its size ~6 MB. > > > > > > Yes, indeed, Alexander --- as I and 3 others already pointed out, this > > > > > is true. > > > > > > However, even for an up-to-date bzr, an update of 5 files (one rev) > > > > > took > > > > > > real 0m13.736s > > > > > > Repeating the same sort of pull from googlecode / hg, to the first hg > > > > > checkin: > > > > > > hg clone -r be4727e88ehttps://web2py.googlecode.com/hg/clean-hg > > > > > > and then updating with the last 3 changesets: > > > > > > time hg update > > > > > > produces this result: > > > > > > added 3 changesets with 10 changes to 7 files > > > > > (run 'hg update' to get a working copy) > > > > > > real 0m1.048s > > > > > user 0m0.164s > > > > > sys 0m0.044s > > > > > > (I didn't count "bzr ci" nor "hg update" in either of these). > > > > > > Still, this is 13 times difference. > > > > > > So empirically, this is still noticably (significantly) different, > > > > > but more on the order of one order of magnitude (rather than > > > > > serveral). > > > > > > Regards, > > > > > - Yarko > > > > > >> Difference in 300 times don't make you think there is something > > > > >> wrong? > > > > > >> Anyway, good luck! > > > > > > -- > > > > > > You received this message because you are subscribed to the Google > > > > > Groups "web2py-users" group. > > > > > To post to this group, send email to [email protected]. > > > > > To unsubscribe from this group, send email to > > > > > [email protected]. > > > > > For more options, visit this group > > > > > athttp://groups.google.com/group/web2py?hl=en. -- You received this message because you are subscribed to the Google Groups "web2py-users" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/web2py?hl=en.
