filename: matrix
hash function: random
total buckets:       262147
total tuples:        75216 (28.69%)
used buckets:        65258 (24.89%)
maximum list length: 5
average list length: 1.15
hash cost per tuple: 103 cyc, 208 ns, 5 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
2	5	0.01%
55	4	0.31%
828	3	3.61%
8129	2	25.22%
56244	1	100.00%
196889	0	100.00%