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- Committer: John Arbash Meinel
- Date: 2008-12-09 21:35:49 UTC
- mto: This revision was merged to the branch mainline in revision 3888.
- Revision ID: john@arbash-meinel.com-20081209213549-yc1mqv3l5gun9c63
Start working on a FIFOCache.
This is designed to have less runtime cost than the LRUCache.
Mostly because we don't have to do any recording work on *access*
only on update or delete.
As such, we subclass dict directly, because experiments show that
it performed the best. Unfortunately, even though we don't have
a custom __getitem__ implementation, it is still approx 2x slower
than using a raw dict.
This is designed to have less runtime cost than the LRUCache.
Mostly because we don't have to do any recording work on *access*
only on update or delete.
As such, we subclass dict directly, because experiments show that
it performed the best. Unfortunately, even though we don't have
a custom __getitem__ implementation, it is still approx 2x slower
than using a raw dict.
- files added:
- bzrlib/fifo_cache.py
- files modified:
- bzrlib/tests/__init__.py
added
removed
bzrlib/tests/__init__.py
