Research Article
A Polynomial Preconditioned Global CMRH Method for Linear Systems with Multiple Right-Hand Sides
Table 1
Number of restarts and CPU time (in brackets) for Example
1.
| | Gl-GMRES | Gl-CMRH | WGl-CMRH | PGl-CMRH |
| | 10,000 | 121 (18.0) | 85 (7.4) | 89 (8.4) | 24 (4.1) | | 14,400 | 150 (34.6) | 85 (11.8) | 116 (17.3) | 23 (6.0) | | 22,500 | 259 (133.4) | 165 (42.8) | 173 (53.5) | 37 (17.0) | | 40,000 | 450 (585.8) | 255 (173.0) | 302 (235.2) | 26 (32.3) | | 44,100 | 496 (699.9) | 322 (253.3) | 368 (313.6) | 39 (45.0) |
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