filename: matrix
hash function: abcdx
total buckets:       131071
total tuples:        75216 (57.39%)
used buckets:        57385 (43.78%)
maximum list length: 7
average list length: 1.31
hash cost per tuple: 43 cyc, 86 ns, 12 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
1	7	0.01%
5	6	0.05%
47	5	0.36%
313	4	2.03%
2259	3	11.04%
12155	2	43.36%
42605	1	100.00%
73686	0	100.00%