Research Article
A Parallel Wavelet-Based Algebraic Multigrid Black-Box Solver and Preconditioner
Table 6
Parallel results for dielFilterV2real matrix (not enough memory).
| | np |
Nrows |
Nonzeros | PWAMG solver | | Setup time CPU (Wtime) | Solver time CPU (Wtime) | |
| | dielFilterV2real | 1 | 1157456 | 48538952 | — | — | — | |
2 | 578728 | 26710406 | 60.00 (182.0) | 176.21 (1763.4) |
4 | | 578728 | 21828546 | 34.46 (39.34) | 86.20 (1759.74) | | 385818 | 19476388 | 36.92 (78.71) | 98.12 (192.62) | | | 3 | 385818 | 14529204 | 22.49 (22.54) | 43.69 (192.13) | 4 | | 385820 | 14533360 | 22.18 (22.19) | 54.49 (192.14) | | | 289364 | 15807646 | 28.18 (28.39) | 75.34 (108.75) | | |
4 | 289364 | 10902962 | 16.61 (16.59) | 32.17 (108.35) |
4 | | 289364 | 10902760 | 16.79 (16.79) | 33.26 (108.55) | | 289364 | 10925584 | 16.56 (16.58) | 34.80 (108.75) | | | 231491 | 13644000 | 24.42 (24.47) | 64.90 (101.42) | | | 231491 | 8751322 | 13.28 (13.28) | 27.28 (101.41) | | | 5 | 231491 | 8727696 | 13.30 (13.29) | 28.07 (101.57) | 4 | | 231491 | 8710580 | 13.35 (13.34) | 26.93 (101.72) | | | 231492 | 8705354 | 13.25 (13.25) | 35.10 (101.72) | | | 192909 | 11858182 | 22.81 (38.14) | 107.36 (176.56) | | | 192909 | 7618206 | 11.76 (11.76) | 47.08 (176.63) | | |
6 | 192909 | 7295218 | 10.99 (10.99) | 42.92 (176.76) |
7 | | 192909 | 7255410 | 11.18 (11.18) | 42.60 (176.76) | | 192909 | 7233986 | 11.07 (11.07) | 42.53 (176.50) | | | 192911 | 7277950 | 11.01 (11.01) | 58.37 (176.50) | |
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