benchmark git vs mercurial

env:
OSX v10.4.11
Python 2.5
mercurial v1.2.1
git v1.6.3.1

repos:
using python repository as of 2009-06-18

overall:
- *** totally not scientific ***
- any output to /dev/null

operations:
clone 
git clone git://code.python.org/python/trunk    1:29
hg clone http://code.python.org/hg/trunk        3:02

space (du -hs)
git   137M
hg    175M

log specific file
git log README                1.68
hg log README                 0.65

log latest 10 commits
git log -10                   0.02
hg log -l 10                  0.52

status
git status                    0.11
hg status                     0.27

list branches
git branch                    0.02
hg branches                   0.43

get changes from remote
git fetch                     0.08
hg pull                       0.52

diff
git diff                      0.04
hg diff                       0.26

going back 500 commits
git checkout HEAD~500         1.5
hg checkout -r -501           4.5