Comparison of Hibernate with H2 embedded 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 H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server
Basic Person Test	8.9	failed	9.3	failed	9.1	failed
Element Collection Test	11.5	failed	7.6	failed	9.5	failed
Inheritance Test	6.8	failed	9.4	failed	8.1	failed
Indexing Test	12.5	failed	12.3	failed	12.4	failed
Graph (Binary Tree) Test	7.7	failed	8.5	failed	8.1	failed
Multithreading Test	9.8	failed	0.0000	failed	4.9	failed
All Tests	9.5	failed	7.8	failed	8.7	failed

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server
Basic Person Test	5.2	failed	12.7	failed	8.9	failed
Element Collection Test	3.8	failed	3.9	failed	3.9	failed
Inheritance Test	9.4	failed	18.4	failed	13.9	failed
Indexing Test	9.1	failed	13.2	failed	11.1	failed
Graph (Binary Tree) Test	1.5	failed	3.4	failed	2.5	failed
Multithreading Test	10.7	failed	16.4	failed	13.6	failed
All Tests	6.6	failed	11.3	failed	9.0	failed

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server
Basic Person Test	3.0	failed	5.5	failed	4.2	failed
Element Collection Test	4.4	failed	3.3	failed	3.9	failed
Inheritance Test	1.7	failed	5.6	failed	3.7	failed
Indexing Test	4.7	failed	6.4	failed	5.5	failed
Multithreading Test	2.0	failed	5.9	failed	4.0	failed
All Tests	3.2	failed	5.4	failed	4.3	failed

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server
Basic Person Test	10.6	failed	10.1	failed	10.4	failed
Element Collection Test	16.7	failed	5.9	failed	11.3	failed
Inheritance Test	10.9	failed	14.6	failed	12.8	failed
Indexing Test	24.0	failed	12.3	failed	18.2	failed
Graph (Binary Tree) Test	5.8	failed	4.0	failed	4.9	failed
Multithreading Test	7.0	failed	5.1	failed	6.1	failed
All Tests	12.5	failed	8.7	failed	10.6	failed

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server
Basic Person Test	31.2	failed	23.7	failed	27.5	failed
Element Collection Test	22.7	failed	3.1	failed	12.9	failed
Inheritance Test	41.4	failed	18.0	failed	29.7	failed
Indexing Test	66.1	failed	14.2	failed	40.1	failed
Graph (Binary Tree) Test	16.7	failed	22.4	failed	19.6	failed
Multithreading Test	20.4	failed	0.0000	failed	10.2	failed
All Tests	33.1	failed	13.6	failed	23.3	failed

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

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server	Hibernate H2 embedded	OpenJPA HSQLDB server
Basic Person Test	11.8	failed	12.3	failed	12.0	failed
Element Collection Test	11.8	failed	4.8	failed	8.3	failed
Inheritance Test	14.1	failed	13.2	failed	13.6	failed
Indexing Test	23.3	failed	11.7	failed	17.5	failed
Graph (Binary Tree) Test	7.9	failed	9.6	failed	8.8	failed
Multithreading Test	10.0	failed	5.5	failed	7.8	failed
All Tests	13.3	failed	9.5	failed	11.4	failed