A test between a few of the popular libraries running a speed test on how fast they load and save data.
There are two benchmarks. The Simple trial uses a flat schema for an address book so each row is composed of name, address, city, state, and phone columns.
The Complex trial is hierarchical and has support for multiple address books where each address book has contacts and addresses.
These are the results for the Simple trial:
And these are the results for the Complex trial:
