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Old 12-17-2011, 10:40 AM
Philip Ashmore
 
Default Bug#652429: Acknowledgement (ITP: meta-treedb -- on-disk memory library using meta-data)

Long description:
meta-treedb can implement malloc functionality, and much more!
Need a heap that allocates of a fixed size chunk of memory? No problem.
But where treedb comes into its own is when it comes to allocating from a
mmap()ed disk file - the memory becomes persistent.
.
If you follow the tests/examples, you too can store dictionaries,
trees, lists
or whatever you can think of in disk-based memory, just an open() and
mmap()

away.
.
Meta-treedb comes with an AVL tree, doubly-linked-list and
variable-entry-sized-array implementations for you to use in your data
structures.
.
So, what distinguishes meta-treedb from treedb?
* "class" interfaces for treedb collections
. These are vtables (virtual function tables) that implement the
interface.

* faster compiles - only the "class" interfaces are visible to client code
. This is at the expense of a small performance hit.
* the ability to use implementations that were developed after client
code was

. compiled.
. This feature hasn't been fully fleshed out yet, as it would require a
. plug-in system such as that provided by v3c-dcom, but it's coming soon.


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