filename: matrix
hash function: abcdx
total buckets:       262143
total tuples:        75216 (28.69%)
used buckets:        65322 (24.92%)
maximum list length: 5
average list length: 1.15
hash cost per tuple: 43 cyc, 87 ns, 12 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
2	5	0.01%
64	4	0.35%
794	3	3.52%
8106	2	25.07%
56356	1	100.00%
196821	0	100.00%