filename: 500
hash function: crc32_bof
hash seed 0x1c7f1d2d
total buckets:       32768
total tuples:        10020 (30.58%)
used buckets:        9249 (28.23%)
maximum list length: 2
average list length: 1.08
hash cost per tuple: 93 cyc, 187 ns, 5 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
771	2	15.39%
8478	1	100.00%
23519	0	100.00%