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comparison.txt
author mpm@selenic.com
Fri, 10 Jun 2005 09:36:02 -0800
changeset 305 719812eb0156
parent 139 17e66e1a0382
child 1308 2073e5a71008
permissions -rw-r--r--
more merge fixes -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 more merge fixes Logic for getting a remote change should work going backwards and forwards Mark all the changes in the merge that we don't get or merge so we have the right list of files in the changeset manifest hash: 88be742f510a2c58b276172ae538f9533f5e7491 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCqc+CywK+sNU5EO8RAjOKAJwNkC7phUO77IGW20R7MKyWBGP01gCgjxP6 K2CqUESHr2+0J96q3N74Siw= =zb2f -----END PGP SIGNATURE-----

                    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
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