filename: matrix
hash function: rt_ab2
total buckets:       262147
total tuples:        75216 (28.69%)
used buckets:        63809 (24.34%)
maximum list length: 6
average list length: 1.18
hash cost per tuple: 51 cyc, 103 ns, 10 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
5	6	0.04%
21	5	0.18%
158	4	1.02%
1132	3	5.53%
8560	2	28.30%
53933	1	100.00%
198338	0	100.00%