| Matrix | Conv PCGS (Algorithm 6) | Impr PCGS (Algorithm 7) | ||||||
| Iter. | TRR | TRE | Time | Iter. | TRR | TRE | Time | |
| arc130 | 4 | −17.54 | −8.75 | 3.22e−4 | 5 | −19.27 | −11.20 | 3.24e−4 |
| bfwa782 | 109 | −9.49 | −9.75 | 1.72e−2 | 106 | −12.34 | −12.07 | 1.73e−2 |
| cryg2500 | No convergence | No convergence | ||||||
| epb1 | 69 | −12.40 | −11.91 | 2.90e+0 | 69 | −12.31 | −12.41 | 2.89e+0 |
| jpwh_991 | Breakdown | 41 | −12.20 | −13.06 | 7.37e−3 | |||
| mcca | 81 | −5.32 | 0.00 | 2.26e−3 | 111 | −8.60 | −14.26 | 3.04e−3 |
| mcfe | 764 | −3.56 | 2.97 | 1.10e−1 | 908 | −6.26 | −8.79 | 1.29e−1 |
| memplus | 34 | −12.30 | −10.20 | 1.18e+0 | 34 | −12.32 | −10.24 | 1.20e+0 |
| olm1000 | No convergence | No convergence | ||||||
| olm5000 | No convergence | No convergence | ||||||
| pde900 | 53 | −10.37 | −11.16 | 7.25e−3 | 51 | −12.43 | −13.03 | 7.28e−3 |
| pde2961 | 110 | −11.62 | −12.02 | 6.91e−2 | 96 | −12.08 | −12.55 | 6.66e−2 |
| sherman2 | No convergence | No convergence | ||||||
| sherman3 | 874 | −7.49 | −8.34 | 5.53e−1 | 629 | −9.49 | −10.75 | 4.24e−1 |
| sherman5 | 157 | −12.02 | −11.19 | 9.20e−2 | 127 | −12.57 | −12.30 | 8.09e−2 |
| viscoplastic2 | No convergence | No convergence | ||||||
| watt_1 | 1 | −12.37 | −4.05 | 1.49e+0 | 2 | −14.81 | −11.31 | 1.53e+0 |