Open Access
Table 1.
Timings of a single deflated PCG iteration with 2, 6, and 10 deflation vectors.
| PCG | PCG + defl(2) | PCG + defl(6) | PCG + defl(10) |
|---|---|---|---|
| 1 | 1.0001 | 1.0013 | 1.0019 |
Notes. The timings are relative with respect to a single iteration of the standard (nondeflated) PCG. The table gives the average from five runs, each with ten iterations.
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