Mercurial > hg > mercurial-crew-with-dirclash

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Changes to network protocol -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Changes to network protocol Stream changes at the delta level rather than at whole delta groups this breaks the protocol - we now send a zero byte delta to indicate the end of a group rather than sending the entire group length up front Fix filename length asymmetry while we're breaking things Fix hidden O(n^2) bug in calculating changegroup list.append(e) is O(n), list + [element] is not Decompress chunks on read in revlog.group() Improve status messages report bytes transferred report nothing to do Deal with /dev/null path brokenness Remove untriggered patch assertion manifest hash: 3eedcfe878561f9eb4adedb04f6be618fb8ae8d8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCmzlqywK+sNU5EO8RAn0KAJ4z4toWSSGjLoZO6FKWLx/3QbZufACglQgd S48bumc++DnuY1iPSNWKGAI= =lCjx -----END PGP SIGNATURE-----
author mpm@selenic.com
date Mon, 30 May 2005 08:03:54 -0800
parents 17e66e1a0382
children 2073e5a71008
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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