Mercurial > hgsubversion
annotate notes/hgsubversion.png @ 637:92f4a4b60696
rebuildmeta: optimize by removing quadratic time usage
Calling ctx.children() for revision R visits all revisions greater than
R. If I remember my algorithmics right, that's O(n^2). Performing an
extra traversal, however, is O(n).
A quick benchmark on a repository ~20k revisions:
before: 445.27s user 1.10s system
after: 7.25s user 0.25s system
The resulting `svn' directories are exactly the same, and the tests
continue to pass.
author | Dan Villiom Podlaski Christiansen <danchr@gmail.com> |
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date | Fri, 09 Jul 2010 22:18:27 +0200 |
parents | f98717473abc |
children |
rev | line source |
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294
f98717473abc
Adding an icon made from the logos of Mercurial & Subversion.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
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