filename: matrix
hash function: rt_ab
total buckets:       262147
total tuples:        75216 (28.69%)
used buckets:        64207 (24.49%)
maximum list length: 5
average list length: 1.17
hash cost per tuple: 49 cyc, 99 ns, 10 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
10	5	0.07%
98	4	0.59%
967	3	4.44%
8741	2	27.69%
54391	1	100.00%
197940	0	100.00%