Research Article
Parallel RFSAI-BFGS Preconditioners for Large Symmetric Eigenproblems
Table 5
Comparison between DACG and Newton-DACG for the four test problems on
processors. Results on problem LONG-1103 are obtained using
.
| Matrix name | DACG | Newton-DACG | MVP | CPU time | | MVP | CPU time |
| FLOW3D-663 | 51427 | 658.55 | 10 | 15833 | 229.33 | EMILIA-923 | 13404 | 410.93 | 20 | 10649 | 346.83 | LONG-1103 | 15222 | 390.05 | 20 | 8857 | 256.59 | GEO-1438 | 12667 | 354.63 | 20 | 10441 | 326.99 |
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