Comparison of OpenJPA with HSQLDB server vs Hibernate with Derby embedded

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
	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded
Basic Person Test	failed	9.3	failed	8.1	failed	8.7
Element Collection Test	failed	6.9	failed	4.5	failed	5.7
Inheritance Test	failed	4.7	failed	6.9	failed	5.8
Indexing Test	failed	7.6	failed	9.7	failed	8.6
Graph (Binary Tree) Test	failed	3.3	failed	4.4	failed	3.9
Multithreading Test	failed	9.8	failed	0.0000	failed	4.9
All Tests	failed	6.9	failed	5.6	failed	6.3

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded
Basic Person Test	failed	11.1	failed	10.4	failed	10.7
Element Collection Test	failed	5.5	failed	4.2	failed	4.8
Inheritance Test	failed	5.8	failed	6.2	failed	6.0
Indexing Test	failed	3.8	failed	14.5	failed	9.2
Graph (Binary Tree) Test	failed	1.8	failed	3.7	failed	2.8
Multithreading Test	failed	10.1	failed	14.4	failed	12.3
All Tests	failed	6.4	failed	8.9	failed	7.6

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded
Basic Person Test	failed	1.9	failed	3.7	failed	2.8
Element Collection Test	failed	3.6	failed	4.1	failed	3.9
Inheritance Test	failed	0.70	failed	3.1	failed	1.9
Indexing Test	failed	9.1	failed	9.3	failed	9.2
Multithreading Test	failed	4.5	failed	7.0	failed	5.8
All Tests	failed	4.0	failed	5.4	failed	4.7

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded
Basic Person Test	failed	2.1	failed	2.4	failed	2.3
Element Collection Test	failed	4.2	failed	1.7	failed	2.9
Inheritance Test	failed	2.1	failed	2.7	failed	2.4
Indexing Test	failed	6.5	failed	3.9	failed	5.2
Graph (Binary Tree) Test	failed	2.5	failed	1.8	failed	2.2
Multithreading Test	failed	2.7	failed	1.5	failed	2.1
All Tests	failed	3.3	failed	2.3	failed	2.8

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded
Basic Person Test	failed	10.8	failed	8.9	failed	9.8
Element Collection Test	failed	7.1	failed	1.2	failed	4.1
Inheritance Test	failed	11.8	failed	6.3	failed	9.0
Indexing Test	failed	22.7	failed	5.6	failed	14.2
Graph (Binary Tree) Test	failed	5.7	failed	9.0	failed	7.3
Multithreading Test	failed	2.2	failed	0.0000	failed	1.1
All Tests	failed	10.0	failed	5.2	failed	7.6

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

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded	OpenJPA HSQLDB server	Hibernate Derby embedded
Basic Person Test	failed	7.0	failed	6.7	failed	6.9
Element Collection Test	failed	5.5	failed	3.1	failed	4.3
Inheritance Test	failed	5.0	failed	5.0	failed	5.0
Indexing Test	failed	10.0	failed	8.6	failed	9.3
Graph (Binary Tree) Test	failed	3.3	failed	4.7	failed	4.0
Multithreading Test	failed	5.9	failed	4.6	failed	5.2
All Tests	failed	6.2	failed	5.5	failed	5.8