Thread Benchmark: Mac OS X 17 inch PowerBook

JVM: Apple Computer, Inc.  1.4.1_01
OS: Mac OS X  10.2.8  ppc

Test Name: Baseline No Operation
Test Class: org.apache.commons.tbm.bench.BenchNOP

Threads	Memory Used	GC Time (ms)	Total Time (ms)	Normalized
1	0	124	125	1.00
2	0	139	141	1.13
4	0	120	124	0.99
8	0	127	133	1.06
16	0	128	140	1.12
32	0	119	143	1.14
64	0	120	166	1.33

Test Name: TimeZone.getDefault()
Test Class: org.apache.commons.tbm.bench.datetime.DefaultTimeZone

Threads	Memory Used	GC Time (ms)	Total Time (ms)	Normalized
1	0	127	128	1.00
2	432	126	373	2.91
4	672	127	1560	12.19
8	912	126	4120	32.19
16	263472	128	5562	43.45
32	133200	127	6519	50.93
64	331296	127	7381	57.66

Test Name: Construct SimpleDateFormat() and format new Date()
Test Class: org.apache.commons.tbm.bench.datetime.SimpleDateFormat

Threads	Memory Used	GC Time (ms)	Total Time (ms)	Normalized
1	0	141	142	1.00
2	14760	147	12241	86.20
4	19376	142	20882	147.06
8	279552	144	25422	179.03
16	422976	143	37538	264.35
32	713384	143	43316	305.04
64	829120	147	44370	312.46

Test Name: Jakarta Commons-Lang FastDateFormat
Test Class: org.apache.commons.tbm.bench.datetime.CommonsLangFastDateFormat

Threads	Memory Used	GC Time (ms)	Total Time (ms)	Normalized
1	0	144	145	1.00
2	3928	142	2798	19.30
4	4072	145	4589	31.65
8	265528	142	6798	46.88
16	398648	149	12804	88.30
32	202656	144	14864	102.51
64	369304	143	17192	118.57

Test Name: ThreadLocal SimpleDateFormat() and format new Date()
Test Class: org.apache.commons.tbm.bench.datetime.ThreadLocalSimpleDateFormat

Threads	Memory Used	GC Time (ms)	Total Time (ms)	Normalized
1	0	143	144	1.00
2	5592	145	2642	18.35
4	13360	146	4058	28.18
8	288456	147	4777	33.17
16	184336	155	5338	37.07
32	463936	148	6025	41.84
64	151864	148	6598	45.82

Test Name: java.sql.Timestamp.toString()
Test Class: org.apache.commons.tbm.bench.datetime.TimestampToString

Threads	Memory Used	GC Time (ms)	Total Time (ms)	Normalized
1	0	149	150	1.00
2	5808	150	7248	48.32
4	9888	151	25128	167.52
8	271016	154	44953	299.69
16	403424	106	53048	353.65
32	207224	107	36383	242.55
64	376960	109	40078	267.19