comparison.txt
author mpm@selenic.com
Thu, 23 Jun 2005 09:33:18 -0800
changeset 441 e8af362cfb01
parent 139 17e66e1a0382
child 1308 2073e5a71008
permissions -rw-r--r--
Permission handling for the other OS -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Permission handling for the other OS From: K Thananchayan <thananck@yahoo.com> Preserve exec permission under Windows on existing source files. Not an ideal solution as there is no way to specify exec permission for a new file. Nevertheless, this helps working on crossplatform projects. manifest hash: c50da52ad4645f40bd6204c4fd458e880bc3f801 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCuvJeywK+sNU5EO8RAscXAJ40eAHZjTip5to6BGPdoXxxL5gNQQCgl5GT 8S1Ckank5I/0ScGtapZKqTA= =QrQp -----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