Linux - Java Collections Framework

Java Collections Framework vs Colt vs Trove vs PCJ vs Fastutil

Java Collections Framework

Map<Integer, Integer> t = new HashMap <Integer, Integer> ();

Colt 1.2.0

OpenIntIntHashMap t = new OpenIntIntHashMap ();

Trove 3.0.0rc2

TIntIntHashMap t = new TIntIntHashMap ();

PCJ 1.2
IntKeyIntOpenHashMap t = new IntKeyIntOpenHashMap ();

Fastutil 6.3
Int2IntOpenHashMap t = new Int2IntOpenHashMap ();

Кол-во тестов: 5

Цикл: 10000000

Результаты в миллисекундах
Заполнение

JCF	Colt	Trove	PCJ	Fastutil
11627	1175	881	784	1688
9031	1253	950	722	1734
7882	1252	881	714	1675
10463	1008	1035	724	1703
4581	1065	1040	611	1780

Чтение

JCF	Colt	Trove	PCJ	Fastutil
2116	119	76	69	907
4435	96	63	57	888
2052	93	71	56	898
3889	91	70	56	903
2131	92	71	55	962

JCF

Colt

Trove

PCJ

Fastutil