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comparison.txt
author Bryan O'Sullivan <bos@serpentine.com>
Sun, 10 Jul 2005 16:14:06 -0800
changeset 671 efa4a7e2f322
parent 139 17e66e1a0382
child 1308 2073e5a71008
permissions -rw-r--r--
Move hgrc documentation out to its own man page, hgrc(5). # HG changeset patch # User Bryan O'Sullivan <bos@serpentine.com> # Node ID 5076cf1fd6a1b8eb410e5e03cb004ca6a52a30f9 # Parent 7369ec5d93f2ffd490a43970edd9adf8d2bbe269 Move hgrc documentation out to its own man page, hgrc(5). The new man page expands on the existing documentation by describing the file format and the purpose of each section and field.

                    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
mercurial-crew-with-dirclash