RE: Generic B-tree implementation

From: Gary Funck
Date: Tue Jul 18 2006 - 00:26:51 EST

Vishal Patil wrote:
> I am attaching source files containing a very generic implementation
> of B-trees in C. The implementation corresponds to in memory B-Tree
> data structure. The B-tree library consists of two files, btree.h and
> btree.c. I am also attaching a sample program main.c which should
> hopefully make the use of the library clear.

Couple of thoughts:

1. red/black b-trees have superior worst case performance as it
relates to rebalancing, and the implementation doesn't add a
lot of complexity:

2. Paul Vixie's b-tree implementation has been around since the mid-80's
or so, and simply from an historical perspective is worth a look
(comp.sources.unix anyone?):

3. GCC uses 'splay trees' to good advantage:
which have the property that most-recently referenced nodes
tend to be higher up in the tree.

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