Assuming you managed to accumulate enough items to fill a 64-bit counter, if you got 1 core of your super-fast PC to increment a 64-bit value for each one, it w

Assuming you managed to accumulate enough items to fill a 64-bit counter, if you got 1 core of your super-fast PC to increment a 64-bit value for each one, it would take over 100 years to count them all. (Assuming you don't just decide to pop -1 in the counter. Presumably you'd want to make sure you haven't miscounted during the accumulation phase.)