Table 5 Numbers of GCR iterations to convergence on large problems
From: Newton–Raphson preconditioner for Krylov type solvers on GPU devices
DIAG | SSOR | BFGS–DIAG | BFGS–SSOR | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
m = 3 | m = 5 | m = 7 | m = 10 | m = 3 | m = 5 | m = 7 | m = 10 | |||
\(25^3\) | 153 | 43 | 104 | 106 | 136 | 153 | 43 | 48 | 48 | 48 |
\(50^3\) | 716 | 155 | 309 | 296 | 308 | 480 | 79 | 90 | 116 | 148 |
\(100^3\) | 2557 | 467 | 653 | 680 | 716 | 754 | 224 | 220 | 216 | 265 |