Sorry for too many replies but it worked with -Ksp_monitor !!! I reported the same kind of problem before too.
Best, Ata On Tue, Feb 1, 2011 at 2:32 PM, Ataollah Mesgarnejad <amesga1 at tigers.lsu.edu > wrote: > 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 > -- 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/dee9f7d8/attachment.htm>
