filename: matrix
hash function: crc32
total buckets:       262147
total tuples:        75216 (28.69%)
used buckets:        65384 (24.94%)
maximum list length: 6
average list length: 1.15
hash cost per tuple: 190 cyc, 382 ns, 3 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
1	6	0.01%
5	5	0.04%
64	4	0.38%
777	3	3.48%
8061	2	24.91%
56476	1	100.00%
196763	0	100.00%