filename: 01-matrix
hash function: abcd_long
total buckets:       524289
total tuples:        75216 (14.35%)
used buckets:        70045 (13.36%)
maximum list length: 4
average list length: 1.07
hash cost per tuple: 98 cyc, 99 ns, 10 Mhz on 993 Mhz CPU (INNER)
Count	Length	CT
7	4	0.04%
238	3	0.99%
4674	2	13.41%
65126	1	100.00%
454244	0	100.00%