Research Article
Parallel Rayleigh Quotient Optimization with FSAI-Based Preconditioning
Table 4
Number of iterations for BFSAI-DACG in the computations of the 10 leftmost eigenpairs.
| | Matrix | | |
2
|
4
|
8
|
16
|
32
|
64
|
128
|
256
|
512
|
1024
|
| | FAULT-639 | 1357 | 1434 | 1594 | 2002 | 3053 | 3336 | 3553 | | | | | PO-878 | 2122 | 2638 | 3366 | 4157 | 4828 | 5154 | 5373 | | | | | GEO-1438 | 1458 | 1797 | 2113 | 2778 | 3947 | 4647 | 4850 | 4996 | | | | CUBE-6091 | | | 5857 | 6557 | 7746 | 8608 | 9443 | 9996 | 10189 | 9965 |
|
|
