AMD Athlon XP 2000+ (1667 MHz, 256 KB L2 cache)

C:\>java -Xmx256m ThreadSort
Single threaded qsort : 3500
Double threaded qsort : 3907
Quadrouple threaded qsort : 3906
Single threaded qsort : 3500
Double threaded qsort : 3891
Quadrouple threaded qsort : 3906
Single threaded qsort : 3484
Double threaded qsort : 3906
Quadrouple threaded qsort : 3906

C:\>java -Xmx256m -server ThreadSort
Single threaded qsort : 3703
Double threaded qsort : 3250
Quadrouple threaded qsort : 3204
Single threaded qsort : 3687
Double threaded qsort : 3203
Quadrouple threaded qsort : 3203
Single threaded qsort : 3719
Double threaded qsort : 3188
Quadrouple threaded qsort : 3203

Intel Pentium M 1600 MHz (1600 GHz, 1 MB L2 cache)

C:\>java -Xmx256m ThreadSort
Single threaded qsort : 3253
Double threaded qsort : 3344
Quadrouple threaded qsort : 3323
Single threaded qsort : 3253
Double threaded qsort : 3333
Quadrouple threaded qsort : 3323
Single threaded qsort : 3243
Double threaded qsort : 3333
Quadrouple threaded qsort : 3313

C:\>java -Xmx256m -server ThreadSort
Single threaded qsort : 3313
Double threaded qsort : 3213
Quadrouple threaded qsort : 3042
Single threaded qsort : 3273
Double threaded qsort : 3052
Quadrouple threaded qsort : 3042
Single threaded qsort : 3273
Double threaded qsort : 3042
Quadrouple threaded qsort : 3032

Intel Pentium 4 540J (3200 MHz med hyperthreading, 1 MB L2 cache)

C:\>java -Xmx256m ThreadSort
Single threaded qsort : 2500
Double threaded qsort : 2265
Quadrouple threaded qsort : 1922
Single threaded qsort : 2500
Double threaded qsort : 2265
Quadrouple threaded qsort : 1937
Single threaded qsort : 2500
Double threaded qsort : 2250
Quadrouple threaded qsort : 1937

C:\>java -Xmx256m -server ThreadSort
Single threaded qsort : 2500
Double threaded qsort : 1954
Quadrouple threaded qsort : 1703
Single threaded qsort : 2469
Double threaded qsort : 1906
Quadrouple threaded qsort : 1672
Single threaded qsort : 2469
Double threaded qsort : 1921
Quadrouple threaded qsort : 1719