Running gmres with sor preconditioning
  0 KSP Residual norm 0.968764
  1 KSP Residual norm 0.361001
  2 KSP Residual norm 0.247329
  3 KSP Residual norm 0.0808915
  4 KSP Residual norm 0.01289
  5 KSP Residual norm 0.00375064
  6 KSP Residual norm 0.000294092
  7 KSP Residual norm 1.40861e-05
  8 KSP Residual norm 3.48863e-07
Number of iterations 8