filename: 500
hash function: crc32_bof
hash seed 0x1c7f1d2d
total buckets:       65536
total tuples:        10020 (15.29%)
used buckets:        9636 (14.70%)
maximum list length: 2
average list length: 1.04
hash cost per tuple: 93 cyc, 187 ns, 5 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
384	2	7.66%
9252	1	100.00%
55900	0	100.00%