filename: 500
hash function: abcdef
total buckets:       131071
total tuples:        10020 (7.64%)
used buckets:        9666 (7.37%)
maximum list length: 4
average list length: 1.04
hash cost per tuple: 44 cyc, 88 ns, 11 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
1	4	0.04%
11	3	0.37%
329	2	6.94%
9325	1	100.00%
121405	0	100.00%