filename: 500
hash function: abcdx
total buckets:       16383
total tuples:        10020 (61.16%)
used buckets:        8374 (51.11%)
maximum list length: 3
average list length: 1.20
hash cost per tuple: 43 cyc, 86 ns, 12 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
52	3	1.56%
1542	2	32.34%
6780	1	100.00%
8009	0	100.00%