| Matrix | N | NNZ | CGS (Algorithm 2) | |||
| Iter. | TRR | TRE | Time | |||
| arc130 | 130 | 1037 | 11 | −12.20 | −7.05 | 1.18e−4 |
| bfwa782 | 782 | 7514 | 320 | −11.29 | −11.94 | 1.71e−2 |
| cryg2500 | 2500 | 12349 | No convergence | |||
| epb1 | 14734 | 95053 | 770 | −7.45 | −6.50 | 5.93e−1 |
| jpwh_991 | 991 | 6027 | Breakdown | |||
| mcca | 180 | 2659 | No convergence | |||
| mcfe | 765 | 24382 | No convergence | |||
| memplus | 17758 | 99147 | 1334 | −9.16 | −6.76 | 1.33e+0 |
| olm1000 | 1000 | 3996 | No convergence | |||
| olm5000 | 5000 | 19996 | No convergence | |||
| pde900 | 900 | 4380 | 113 | −9.87 | −10.49 | 4.13e−3 |
| pde2961 | 2961 | 14585 | 256 | −9.49 | −10.19 | 3.06e−2 |
| sherman2 | 1080 | 23094 | No convergence | |||
| sherman3 | 5005 | 20033 | No convergence | |||
| sherman5 | 3312 | 20793 | 1927 | −10.36 | −9.69 | 3.34e−1 |
| viscoplastic2 | 32769 | 381326 | 801 | −10.34 | −8.18 | 2.20e+0 |
| watt_1 | 1856 | 11360 | 306 | −12.10 | −6.07 | 2.72e−2 |