filename: matrix
hash function: abcdx
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: 43 cyc, 87 ns, 11 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
3	5	0.02%
56	4	0.32%
746	3	3.29%
8205	2	25.11%
56329	1	100.00%
196808	0	100.00%