Comparison of Hibernate with Derby server vs OpenJPA with HSQLDB server

Each of the following tables focuses on a specific database operation, where the last table presents average results comparison.

Speed comparison of JPA database persistence operations (normalized score, higher is better)

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server
Basic Person Test	8.0	failed	5.6	failed	6.8	failed
Element Collection Test	8.3	failed	7.7	failed	8.0	failed
Inheritance Test	5.2	failed	8.7	failed	7.0	failed
Indexing Test	9.0	failed	10.4	failed	9.7	failed
Graph (Binary Tree) Test	5.6	failed	5.5	failed	5.6	failed
Multithreading Test	10.4	failed	0.0000	failed	5.2	failed
All Tests	7.8	failed	6.3	failed	7.0	failed

OpenJPA with HSQLDB server has failed in 12 tests (see exceptions).

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server
Basic Person Test	1.3	failed	5.7	failed	3.5	failed
Element Collection Test	0.47	failed	0.50	failed	0.48	failed
Inheritance Test	1.6	failed	5.1	failed	3.3	failed
Indexing Test	1.6	failed	5.7	failed	3.7	failed
Graph (Binary Tree) Test	0.19	failed	0.32	failed	0.26	failed
Multithreading Test	2.9	failed	9.1	failed	6.0	failed
All Tests	1.3	failed	4.4	failed	2.9	failed

OpenJPA with HSQLDB server has failed in 12 tests (see exceptions).

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server
Basic Person Test	0.40	failed	1.8	failed	1.1	failed
Element Collection Test	0.67	failed	0.62	failed	0.65	failed
Inheritance Test	0.39	failed	2.0	failed	1.2	failed
Indexing Test	1.1	failed	2.4	failed	1.7	failed
Multithreading Test	2.5	failed	3.5	failed	3.0	failed
All Tests	1.0	failed	2.1	failed	1.5	failed

OpenJPA with HSQLDB server has failed in 10 tests (see exceptions).

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server
Basic Person Test	1.1	failed	1.9	failed	1.5	failed
Element Collection Test	2.5	failed	1.1	failed	1.8	failed
Inheritance Test	1.5	failed	2.4	failed	2.0	failed
Indexing Test	3.9	failed	2.5	failed	3.2	failed
Graph (Binary Tree) Test	0.92	failed	0.52	failed	0.72	failed
Multithreading Test	1.7	failed	1.6	failed	1.6	failed
All Tests	1.9	failed	1.7	failed	1.8	failed

OpenJPA with HSQLDB server has failed in 12 tests (see exceptions).

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server
Basic Person Test	12.4	failed	17.2	failed	14.8	failed
Element Collection Test	6.7	failed	1.1	failed	3.9	failed
Inheritance Test	11.6	failed	11.1	failed	11.4	failed
Indexing Test	22.6	failed	9.8	failed	16.2	failed
Graph (Binary Tree) Test	7.7	failed	8.1	failed	7.9	failed
Multithreading Test	7.3	failed	0.0000	failed	3.7	failed
All Tests	11.4	failed	7.9	failed	9.6	failed

OpenJPA with HSQLDB server has failed in 12 tests (see exceptions).

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server	Hibernate Derby server	OpenJPA HSQLDB server
Basic Person Test	4.6	failed	6.4	failed	5.5	failed
Element Collection Test	3.7	failed	2.2	failed	3.0	failed
Inheritance Test	4.0	failed	5.9	failed	5.0	failed
Indexing Test	7.6	failed	6.2	failed	6.9	failed
Graph (Binary Tree) Test	3.6	failed	3.6	failed	3.6	failed
Multithreading Test	4.9	failed	2.8	failed	3.9	failed
All Tests	4.8	failed	4.6	failed	4.7	failed