Barry, I did as you said and now I receive these errors once I try to run the program:
[3]PETSC ERROR: MatHYPRE_IJMatrixCreate() line 76 in src/dm/da/utils/mhyp.c [3]PETSC ERROR: PCSetUp_HYPRE() line 112 in src/ksp/pc/impls/hypre/hypre.c [3]PETSC ERROR: PCSetUp() line 795 in src/ksp/pc/interface/precon.c [3]PETSC ERROR: KSPSetUp() line 237 in src/ksp/ksp/interface/itfunc.c [3]PETSC ERROR: KSPSolve() line 353 in src/ksp/ksp/interface/itfunc.c [3]PETSC ERROR: UStep() line 511 in PFMAT-FD.cpp [4]PETSC ERROR: MatHYPRE_IJMatrixCreate() line 76 in src/dm/da/utils/mhyp.c [4]PETSC ERROR: PCSetUp_HYPRE() line 112 in src/ksp/pc/impls/hypre/hypre.c [4]PETSC ERROR: PCSetUp() line 795 in src/ksp/pc/interface/precon.c [4]PETSC ERROR: KSPSetUp() line 237 in src/ksp/ksp/interface/itfunc.c [3]PETSC ERROR: main() line 95 in PFMAT-main.cpp [4]PETSC ERROR: KSPSolve() line 353 in src/ksp/ksp/interface/itfunc.c [4]PETSC ERROR: UStep() line 511 in PFMAT-FD.cpp [4]PETSC ERROR: main() line 95 in PFMAT-main.cpp Does right preconditiong work with *HYPRE*? Best, Ata On Tue, Feb 1, 2011 at 2:21 PM, Barry Smith <bsmith at mcs.anl.gov> wrote: > > The simplest thing is to simply run with -ksp_monitor_true_residual and > see how the convergence is going in the true residual norm also. > > You can also switch to right preconditioning with gmres and then the > residual used by gmres is the true residual norm. Use > -ksp_preconditioner_side right -ksp_norm_type unpreconditioned > > Barry > > > > On Feb 1, 2011, at 2:14 PM, Ataollah Mesgarnejad wrote: > > > Dear all, > > > > I'm using Ksp gmres with boomeramg preconditioning and I suspect that > even though it converges in preconditioned norm it doesn't converge in true > norm, but as I understand KSPSetNormType gmres does not support true > residual norm? Is that correct and If it is, is there any other way to > monitor the true norm? Do I need to Introduce my own convergence test? > > > > Best, > > A. Mesgarnejad > > -- A. Mesgarnejad PhD Student, Research Assistant Mechanical Engineering Department Louisiana State University 2203 Patrick F. Taylor Hall Baton Rouge, La 70803 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110201/ff919ee2/attachment.htm>
