Java Softphone libraries

Peers 0.4.2
http://jphonelite.sourceforge.net/

JPhoneLite 0.53
http://jphonelite.sourceforge.net/

SFLPhone
www.sflphone.org
https://projects.savoirfairelinux.com/projects/sflphone/wiki/Dbus-API

	Peers	jPhoneLite	SFLPhone (Dbus)
Mute	-	+	+
Hold	-	+	+
Multiline	-	+	+
Transfer	-	+	+
DTMF	+	+	+
Sound volume control	-	-	+
Crossplatform	+	+	-
Voice quality	good	bad	good

Linux - C# Collections

Hashtable t= new Hashtable ();

vs

Dictionary<int, int> t = new Dictionary<int, int> ();

for (0->5)

  fill()

    for (0->1 000 000)

for (0->5)

  read()

    for (0->1 000 000)

	Hashtable	Dictionary
Fill. Memory (bytes)	66,228,224	41,041,920
	8,454,144	24,051,712
	29,179,904	15,646,720
	9,502,720	0
	65,536	0
Fill. Time (ms)	223	211
	151	120
	189	122
	245	113
	201	122
Read. Memory (bytes)	8,978,432	0
	17,367,040	0
	8,650,752	0
	0	0
	131,072	0
Read. Time (ms)	65	33
	67	23
	110	24
	78	24
	94	36

Java vs C++ vs PHP vs C vs C#

http://sourceforge.net/search/?q=

• Java47,284
• C++37,767
• PHP30,645
• C28,550
• C#13,895  

Linux - Java collections. Part 4 (Java vs Java)

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

VS

ConcurrentHashMap<Integer, Integer> t = new ConcurrentHashMap<Integer, Integer> ();

	HashMap	ConcurrentHashMap
Fill. Memory (bytes)	68,420,720	67,736,912
	6,470,968	7,773,352
	-2,084,584	70,738,584
	68,704,136	65,310,584
	2,410,384	79,292,264
Fill. Time (ms)	432	1319
	505	764
	567	686
	391	743
	700	445
Read. Memory (bytes)	16,075,936	16,456,960
	-5,918,720	16,456,960
	16,112,320	-32,882,720
	-17,821,488	16,917,760
	16,008,720	14,803,040
Read. Time (ms)	48	149
	63	143
	29	374
	66	158
	28	170

Linux - Java collections. Part 3 (Strings)

Java Collections Framework (JCF) Sun JDK 1.6.0_26-b03

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

Trove 3.0.0rc2

TObjectIntHashMap<String> t = new TObjectIntHashMap<String> ();

Javolution 5.5.1
LocalMap<String, Integer> t = new LocalMap<String, Integer>();

 

PCJ 1.2

PcjOpen
ObjectKeyIntOpenHashMap t = new ObjectKeyIntOpenHashMap ();  

PcjChained

ObjectKeyIntChainedHashMap t = new ObjectKeyIntChainedHashMap ();

Fastutil 6.3
Object2IntOpenHashMap<String> t = new Object2IntOpenHashMap<String> ();

Guava r09 (Google collections)

HashMultimap<String, Integer> t = HashMultimap.create();

for (0 -> 5)

 test (0 -> 1 000 000)

	JCF	Trove	Javolution	PcjOpen	PcjChained	Fastutil	Guava
Fill. Memory (bytes)	95,766,248	74,700,912	119,994,080	73,836,088	79,929,352	67,023,168	263,495,864
	4,495,904	87,684,944	6,991,040	80,984,832	3,544,472	76,579,648	-162,304
	212,184	87,638,824	-9,726,696	77,590,536	87,404,224	85,331,016	-1,777,656
	10,671,208	90,936,584	116,867,384	77,515,544	89,237,992	78,673,248	4,389,152
	-835,936	94,381,088	115,282,624	73,853,216	83,641,384	81,312,768	-1,836,048
Fill. Time (ms)	1318	1040	1539	1,163	1,490	752	3758
	977	488	1666	704	1,684	1,571	2153
	763	706	1931	625	514	1,095	1442
	697	948	1177	580	486	1,082	2029
	611	658	1140	487	423	1,217	1968
Read. Memory (bytes)	677,112	-92,629,472	-119,093,880	7,723,768	2,556,232	2,188,368	52,114,488
	4,923,056	3,340,016	6,648,064	-484,248	10,599,232	181,472	-8,701,752
	2,324,160	-449,560	-8,174,144	-5,060,160	7,735,448	1,380,576	-40,779,200
	-578,280	-2,744,576	1,444,872	9,850,896	-16,424,696	6,141,472	46,943,040
	-1,811,088	5,497,288	294,408	7,864,248	2,918,000	-3,985,776	48,890,808
Read. Memory (ms)	231	670	1202	222	207	716	203
	135	102	233	186	119	585	270
	137	106	230	185	112	672	264
	134	108	226	173	117	633	186
	141	130	226	174	112	633	186

Linux - Java collections. Part 2

Java Collections Framework (JCF) Sun JDK 1.6.0_26-b03

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

Colt 1.2.0

OpenIntIntHashMap t = new OpenIntIntHashMap ();

Trove 3.0.0rc2

TIntIntHashMap t = new TIntIntHashMap ();

Javolution 5.5.1
LocalMap<Integer, Integer> t = new LocalMap<Integer, Integer>();

 

PCJ 1.2

PcjOpen
IntKeyIntOpenHashMap t = new IntKeyIntOpenHashMap ();  

PcjChained

IntKeyIntChainedHashMap t = new IntKeyIntChainedHashMap ();

Fastutil 6.3
Int2IntOpenHashMap t = new Int2IntOpenHashMap ();

Apache Commons Primitives 1.0

IntList t = new ListIntList (new Vector<Integer> ());

Guava r09 (Google collections)

HashMultimap<Integer, Integer> t = HashMultimap.create();

for (0 -> 5)

 test (0 -> 1 000 000)

	JCF	Colt	Trove	Javolution	PcjOpen	PcjChained	Fastutil	ACP	Guava
Fill. Memory (bytes)	68,133,064	63,119,136	57,653,184	74,772,216	33,933,528	39,020,016	37,999,296	26,553,808	226,627,248
	6,411,112	58,223,272	14,828,016	11,995,648	33,712,256	38,989,184	37,758,872	26,676,816	226,302,584
	77,204,400	58,095,344	57,642,776	74,997,784	33,779,120	39,169,968	37,758,240	26,490,848	5,289,464
	72,908,792	58,040,176	57,651,312	75,625,976	33,683,784	39,063,032	37,756,144	26,589,328	5,090,992
	64,801,408	58,011,088	59,269,992	77,353,624	33,678,696	39,094,520	37,763,552	26,741,248	-3,922,144
Fill. Time (ms)	376	138	132	420	96	80	152	39	2290
	447	101	390	648	61	50	113	21	1852
	365	108	79	337	65	58	117	32	2006
	261	103	86	320	70	54	123	34	1949
	285	105	66	308	66	47	125	24	2146
Read. Memory (bytes)	151,968	0	0	2,345,264	0	0	0	0	21,900,936
	16,184,736	0	0	16,123,520	0	0	0	0	16,060,616
	-10,861,736	0	0	16,123,520	0	0	0	0	14,859,024
	15,874,584	0	0	-26,366,816	0	0	0	0	-36,395,848
	-10,601,616	0	0	15,638,976	0	0	0	0	16,622,760
Read. Time (ms)	166	23	15	184	20	12	46	20	106
	25	10	7	168	6	5	38	7	80
	147	9	7	97	6	5	36	7	82
	21	9	7	239	5	5	36	7	151
	154	9	7	95	6	5	35	8	86