Research Article
Parallel Rayleigh Quotient Optimization with FSAI-Based Preconditioning
Table 3
Performance of BFSAI-DACG for matrix PO-878 with 2 to 8 processors and different parameter values.
| | | | | | | | iter | | iter | | iter | |
| 2 | 10 | 0.01 | 10 | 2333 | 385.76 | 2877 | 286.24 | 3753 | 273.77 | 2 | 10 | 0.05 | 10 | 2345 | 415.81 | 2803 | 245.42 | 3815 | 142.93 | 2 | 10 | 0.05 | 20 | 2186 | 370.86 | 2921 | 276.41 | 3445 | 257.18 | 2 | 10 | 0.00 | 10 | 2328 | 445.16 | 2880 | 241.23 | 3392 | 269.41 | 2 | 20 | 0.05 | 10 | 2340 | 418.20 | 2918 | 224.32 | 3720 | 253.98 | 3 | 10 | 0.05 | 10 | 2122 | 375.17 | 2638 | 228.39 | 3366 | 149.59 | 3 | 10 | 0.05 | 20 | 1946 | 433.04 | 2560 | 304.43 | 3254 | 263.51 | 3 | 10 | 0.05 | 30 | 1822 | 411.00 | 2481 | 321.30 | 3176 | 179.67 | 3 | 10 | 0.05 | 40 | 1729 | 439.47 | 2528 | 346.82 | 3019 | 188.13 | 4 | 10 | 0.05 | 10 | 2035 | 499.45 | 2469 | 350.03 | 3057 | 280.31 |
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