filename: matrix
hash function: buzhash
total buckets:       262147
total tuples:        75216 (28.69%)
used buckets:        65339 (24.92%)
maximum list length: 5
average list length: 1.15
hash cost per tuple: 147 cyc, 296 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
5	5	0.03%
68	4	0.39%
760	3	3.43%
8133	2	25.05%
56373	1	100.00%
196808	0	100.00%