Thanks a lot guys. I also did -ksp_view and saw it was GMRES.
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KSP Object: 32 MPI processes
type: gmres
GMRES: restart=30, using Classical (unmodified) Gram-Schmidt
Orthogonalization with no iterative refinement
GMRES: happy breakdown tolerance 1e-30
maximum iterations=500, initial guess is zero
tolerances: relative=1e-10, absolute=1e-10, divergence=10000
left preconditioning
using PRECONDITIONED norm type for convergence test
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On Wednesday, October 01, 2014 3:14:49 PM, Jed Brown wrote:
Saurabh Chawdhary <[email protected]> writes:
I understand that we can chose on of many solvers from KSPType form here
<http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/KSP/KSPType.html>.
But if do not set any option to the type which one does it chose by
default?
GMRES
I could not find the answer in manual or web search.
-ksp_view