Try this out. The datatype affects the performance greatly. b: make block! 10000 h: make hash! 10000 l: make list! 10000
repeat i 10000 [append b random i] repeat i 10000 [append h random i] repeat i 10000 [append l random i] t: now/time/precise loop 20 [unique b] loop 20 [unique b] loop 20 [unique b] print now/time/precise - t t: now/time/precise loop 20 [unique h] loop 20 [unique h] loop 20 [unique h] print now/time/precise - t t: now/time/precise loop 20 [unique l] loop 20 [unique l] loop 20 [unique l] print now/time/precise - t --Gregg -- To unsubscribe from this list, please send an email to [EMAIL PROTECTED] with "unsubscribe" in the subject, without the quotes.