filename: 500
hash function: abcdx
total buckets:       262147
total tuples:        10020 (3.82%)
used buckets:        9935 (3.79%)
maximum list length: 2
average list length: 1.01
hash cost per tuple: 43 cyc, 86 ns, 12 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
85	2	1.70%
9850	1	100.00%
252212	0	100.00%