filename: 500
hash function: random
total buckets:       65536
total tuples:        10020 (15.29%)
used buckets:        9309 (14.20%)
maximum list length: 4
average list length: 1.08
hash cost per tuple: 100 cyc, 202 ns, 5 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
2	4	0.08%
32	3	1.04%
641	2	13.83%
8634	1	100.00%
56227	0	100.00%