comparison.txt
author Radoslaw "AstralStorm" Szkodzinski <astralstorm@gorzow.mm.pl>
Sun, 10 Jul 2005 16:00:30 -0800
changeset 664 e1fbc1982372
parent 139 17e66e1a0382
child 1308 2073e5a71008
permissions -rw-r--r--
hgeditor: Simplify manifest hash adding # HG changeset patch # User Radoslaw "AstralStorm" Szkodzinski <astralstorm@gorzow.mm.pl> # Node ID be12687d4bf0ce16c4207bef85c188de66efbf53 # Parent 341d27f865903223f8bf12382e3596167228a1c1 hgeditor: Simplify manifest hash adding I hope no one will miss the colon.

                    Mercurial      git                     BK (*)
storage             revlog delta   compressed revisions    SCCS weave
storage naming      by filename    by revision hash        by filename
merge               file DAGs      changeset DAG           file DAGs?
consistency         SHA1           SHA1                    CRC
signable?           yes            yes                     no       

retrieve file tip   O(1)           O(1)                    O(revs)
add rev             O(1)           O(1)                    O(revs)
find prev file rev  O(1)           O(changesets)           O(revs)
annotate file       O(revs)        O(changesets)           O(revs)
find file changeset O(1)           O(changesets)           ?

checkout            O(files)       O(files)                O(revs)?
commit              O(changes)     O(changes)              ?
                    6 patches/s    6 patches/s             slow
diff working dir    O(changes)     O(changes)              ?
                    < 1s           < 1s                    ?
tree diff revs      O(changes)     O(changes)              ?
                    < 1s           < 1s                    ?
hardlink clone      O(files)       O(revisions)            O(files)

find remote csets   O(log new)     rsync: O(revisions)     ?
                                   git-http: O(changesets)
pull remote csets   O(patch)       O(modified files)       O(patch)

repo growth         O(patch)       O(revisions)            O(patch)
 kernel history     300M           3.5G?                   250M?
lines of code       2500           6500 (+ cogito)         ??

* I've never used BK so this is just guesses