Czas w milisekundach na Intel Core 2 Quad w systemie linux x64  
        int:
#primes         1           2        3          4        5      
 664579         5157      3573     7316     14552        (mutex)      
 664579         4844      2582     1748      1350        (pula)
 5761455      128329     68431    60188    106957   180111  (mutex)
 5761455      122216     61325    39519     32163    32313  (pula) 

        qlonglong:
#primes         1        2       3       4      # threads   
664579       18420    9386    6678    9771      (Mutex)
664579       18512    8981    5855    4981      (pula)
5761455     481039  243352  152380  126328      (Mutex)
5761455     480870  242165  152090  116508      (upla)

[TODO: Replace this with a pretty chart]
