filename: matrix
hash function: buzhash
total buckets:       131072
total tuples:        75216 (57.39%)
used buckets:        57354 (43.76%)
maximum list length: 7
average list length: 1.31
hash cost per tuple: 147 cyc, 296 ns, 3 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
1	7	0.01%
1	6	0.02%
30	5	0.22%
322	4	1.93%
2290	3	11.06%
12185	2	43.46%
42525	1	100.00%
73718	0	100.00%