filename: 500
hash function: rt_ab
total buckets:       65537
total tuples:        10020 (15.29%)
used buckets:        8726 (13.31%)
maximum list length: 3
average list length: 1.15
hash cost per tuple: 49 cyc, 99 ns, 10 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
12	3	0.36%
1270	2	25.71%
7444	1	100.00%
56811	0	100.00%