Performance of Krylov subspace methods
Final project of AMSC 763
python main.py --matrix_name can_1054.mtx
| Method |
Time |
Iterations |
Residual |
| GMRES(20) |
27.271 |
5000 |
0.0066857 |
| GMRES(50) |
31.025 |
5000 |
0.00519931 |
| BiCG |
0.562 |
5000 |
2.76319e-06 |
| BiCGSTAB |
0.503 |
5000 |
0.0010962 |
| IDR(4) |
0.500 |
5001 |
0.231829 |
| IDR(8) |
0.661 |
5001 |
0.0253972 |
| Method |
Time |
Iterations |
Residual |
| GMRES(20) |
30.400 |
5000 |
0.0013189 |
| GMRES(50) |
39.074 |
5000 |
0.000656055 |
| BiCG |
0.120 |
518 |
5.37936e-09 |
| BiCGSTAB |
0.114 |
652 |
0.000408529 |
| IDR(4) |
0.119 |
739 |
8.75928e-09 |
| IDR(8) |
0.105 |
623 |
8.66428e-09 |
| Method |
Time |
Iterations |
Residual |
| GMRES(20) |
0.849 |
5000 |
0.949579 |
| GMRES(50) |
0.869 |
5000 |
0.868925 |
| BiCG |
0.328 |
5000 |
17504.5 |
| BiCGSTAB |
0.023 |
306 |
21417.1 |
| IDR(4) |
0.314 |
5001 |
2.67133e-06 |
| IDR(8) |
0.112 |
1343 |
4.76677e-07 |