xref: /petsc/src/ksp/ksp/tutorials/output/ex67_nonsymmetric_left.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1  0 KSP preconditioned resid norm 9.487491765477e-01 true resid norm 2.449489742783e+00 ||r(i)||/||b|| 1.000000000000e+00
2  1 KSP preconditioned resid norm 8.494487725005e-03 true resid norm 1.698892137427e+00 ||r(i)||/||b|| 6.935698107871e-01
3  2 KSP preconditioned resid norm 4.614670864867e-03 true resid norm 9.229294160608e-01 ||r(i)||/||b|| 3.767843563256e-01
4  3 KSP preconditioned resid norm 6.279237098968e-04 true resid norm 1.255847375850e-01 ||r(i)||/||b|| 5.126975442745e-02
5  4 KSP preconditioned resid norm 1.496355718273e-04 true resid norm 2.992708421213e-02 ||r(i)||/||b|| 1.221768096817e-02
6  5 KSP preconditioned resid norm 3.138304686706e-17 true resid norm 5.750698067284e-15 ||r(i)||/||b|| 2.347712654942e-15
7Linear solve converged due to CONVERGED_RTOL iterations 5
8KSP Object: 1 MPI process
9  type: gmres
10    restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
11    happy breakdown tolerance=1e-30
12  maximum iterations=12, initial guess is zero
13  tolerances: relative=1e-14, absolute=1e-50, divergence=10000.
14  left preconditioning
15  using PRECONDITIONED norm type for convergence test
16PC Object: 1 MPI process
17  type: jacobi
18    type DIAGONAL
19  linear system matrix, which is also used to construct the preconditioner:
20  Mat Object: 1 MPI process
21    type: seqaij
22    rows=10, cols=10
23    total: nonzeros=55, allocated nonzeros=65
24    total number of mallocs used during MatSetValues calls=1
25      has attached null space
26      has attached transposed null space
27      not using I-node routines
28  0 KSP preconditioned resid norm 1.118033988750e-02 true resid norm 2.236067977500e+00 ||r(i)||/||b|| 1.000000000000e+00
29  1 KSP preconditioned resid norm 6.181028234444e-03 true resid norm 1.236205646889e+00 ||r(i)||/||b|| 5.528479721225e-01
30  2 KSP preconditioned resid norm 1.991998584490e-03 true resid norm 3.983997168981e-01 ||r(i)||/||b|| 1.781697698402e-01
31  3 KSP preconditioned resid norm 6.187026894135e-04 true resid norm 1.237405378827e-01 ||r(i)||/||b|| 5.533845085562e-02
32  4 KSP preconditioned resid norm 1.016487153337e-18 true resid norm 8.308148362110e-16 ||r(i)||/||b|| 3.715516900966e-16
33Linear solve converged due to CONVERGED_RTOL iterations 4
34KSP Object: 1 MPI process
35  type: gmres
36    restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
37    happy breakdown tolerance=1e-30
38  maximum iterations=12, initial guess is zero
39  tolerances: relative=1e-14, absolute=1e-50, divergence=10000.
40  left preconditioning
41  using PRECONDITIONED norm type for convergence test
42PC Object: 1 MPI process
43  type: jacobi
44    type DIAGONAL
45  linear system matrix, which is also used to construct the preconditioner:
46  Mat Object: 1 MPI process
47    type: seqaij
48    rows=10, cols=10
49    total: nonzeros=55, allocated nonzeros=65
50    total number of mallocs used during MatSetValues calls=1
51      has attached null space
52      has attached transposed null space
53      not using I-node routines
54