view comparison.txt @ 345:9d8d9207c0b3

Add a tags/identify test group -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Add a tags/identify test group manifest hash: 25c43d62cea41cddad1c2f1c82c44f0ac1841fca -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCr+JqywK+sNU5EO8RAtqxAJ0bgpL+W1fk8NH9s1eLH6AgM/EXQQCfaOy8 B6L71BwVMcuPukHb3MEtFnQ= =gwew -----END PGP SIGNATURE-----
author mpm@selenic.com
date Wed, 15 Jun 2005 00:10:18 -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