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
