filename: 500
hash function: abcdx
total buckets:       262143
total tuples:        10020 (3.82%)
used buckets:        9931 (3.79%)
maximum list length: 2
average list length: 1.01
hash cost per tuple: 43 cyc, 87 ns, 12 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
89	2	1.78%
9842	1	100.00%
252212	0	100.00%