view comparison.txt @ 299:7c239fad0f27

Merge with TAH -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Merge with TAH manifest hash: 5a7d047acc6df6ba03db532657f54c0d38e4cffe -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD4DBQFCqIECywK+sNU5EO8RAg56AJ95hB6uw7Fc55XgwgZls4UUNRt1jACYrkrq V9VJhhv29Fd/LEZy+ydoGQ== =unEK -----END PGP SIGNATURE-----
author mpm@selenic.com
date Thu, 09 Jun 2005 09:48:50 -0800
parents 17e66e1a0382
children 2073e5a71008
line wrap: on
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                    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