Re: What's cooking in git.git (Oct 2013, #06; Fri, 25)

> * kb/fast-hashmap (2013-10-22) 12 commits
>  - remove old hash.[ch] implementation
>  - read-cache.c: fix memory leaks caused by removed cache entries
>  - name-hash.c: remove cache entries instead of marking them CE_UNHASHED
>  - name-hash.c: use new hash map implementation for cache entries
>  - name-hash.c: remove unreferenced directory entries
>  - name-hash.c: use new hash map implementation for directories
>  - diffcore-rename.c: use new hash map implementation
>  - diffcore-rename.c: simplify finding exact renames
>  - diffcore-rename.c: move code around to prepare for the next patch
>  - buitin/describe.c: use new hash map implementation
>  - add a hashtable implementation that supports O(1) removal
>  - submodule: don't access the .gitmodules cache entry after removing it
>
>  Improvements to our hash table to get it to meet the needs of the
>  msysgit fscache project, with some nice performance improvements.
>
>  The preparatory clean-up to submodule from Jens is at the bottom. I
>  also squashed in a fix-up by Karsten found at $gmane/236468 (please
>  double-check the result).