dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

And btw boost::assign is very handy!

--
Anders

On Fri, Oct 07, 2011 at 04:47:56PM +0100, Garth N. Wells wrote:
> It would be handy to also have
>
>    bool has_method("foo");
>
> Garth
>
> On 7 October 2011 14:20, Anders Logg <logg@xxxxxxxxx> wrote:
> > I set out to fix this bug:
> >
> >  https://bugs.launchpad.net/dolfin/+bug/868465
> >
> > but things spread out and I ended up touching all the la files.
> > I won't push this to trunk until I've done some more testing, but
> > here's a summary of the changes:
> >
> > 1. Each solver defines a set of available methods and preconditioners
> > which can be accessed by
> >
> >  FooLUSolver::list_methods()
> >
> >  FooKrylovSolver::list_methods()
> >  FooKrylovSolver::list_preconditioners()
> >
> > 2. New global functions that list available methods and Krylov solvers
> > for the currently chosen backend:
> >
> >  list_lu_methods()
> >
> >  list_krylov_methods()
> >  list_preconditioners()
> >
> >  list_solver_methods() = list_{lu + krylov}_methods
> >
> > 3. Changes in all factory classes to handle the above
> >
> > 4. Checks added to check whether a certain method is available and
> > that the preconditioner is set to "none" when using a Krylov method.
> >
> > The following output is printed when calling the above methods using
> > the PETSc backend:
> >
> > LU method     |  Description
> > -----------------------------------------------------------------------------
> > default       |  default LU solver
> > umfpack       |  UMFPACK (Unsymmetric MultiFrontal sparse LU factorization)
> > mumps         |  MUMPS (MUltifrontal Massively Parallel Sparse direct Solver)
> > pastix        |  PaStiX (Parallel Sparse matriX package)
> > spooles       |  SPOOLES (SParse Object Oriented Linear Equations Solver)
> > superlu       |  SuperLU
> > superlu_dist  |  Parallel SuperLU
> > petsc         |  PETSc builtin LU solver
> >
> > Krylov method  |  Description
> > --------------------------------------------------------------
> > default        |  default Krylov method
> > cg             |  Conjugate gradient method
> > gmres          |  Generalized minimal residual method
> > minres         |  Minimal residual method
> > tfqmr          |  Transpose-free quasi-minimal residual method
> > richardson     |  Richardson method
> > bicgstab       |  Biconjugate gradient stabilized method
> >
> > Preconditioner    |  Description
> > ---------------------------------------------------------------
> > default           |  default preconditioner
> > none              |  No preconditioner
> > ilu               |  Incomplete LU factorization
> > icc               |  Incomplete Cholesky factorization
> > jacobi            |  Jacobi iteration
> > bjacobi           |  Block Jacobi iteration
> > sor               |  Successive over-relaxation
> > additive_schwarz  |  Additive Schwarz
> > amg               |  Algebraic multigrid
> > hypre_amg         |  Hypre algebraic multigrid (BoomerAMG)
> > hypre_euclid      |  Hypre parallel incomplete LU factorization
> > hypre_parasails   |  Hypre parallel sparse approximate inverse
> > ml_amg            |  ML algebraic multigrid
> >
> >
> >
> > ---------- Forwarded message ----------
> > From: noreply@xxxxxxxxxxxxx
> > To: Anders Logg <logg@xxxxxxxxx>
> > Date: Fri, 07 Oct 2011 12:37:16 -0000
> > Subject: [Branch ~dolfin-core/dolfin/logg] Rev 6336: Big cleanup of setting/listing linear solver methods and preconditioners:
> > ------------------------------------------------------------
> > revno: 6336
> > committer: Anders Logg <logg@xxxxxxxxx>
> > branch nick: work
> > timestamp: Fri 2011-10-07 14:24:30 +0200
> > message:
> >  Big cleanup of setting/listing linear solver methods and preconditioners:
> >  - new global function list_lu_methods
> >  - new global function list_krylov_methods
> >  - new global function list_preconditioners
> >  - extension of LinearAlgebraFactor interface above functions
> >  - extension of all solvers and factories with above functions
> > modified:
> >  ChangeLog
> >  dolfin/la/CholmodCholeskySolver.cpp
> >  dolfin/la/CholmodCholeskySolver.h
> >  dolfin/la/DefaultFactory.cpp
> >  dolfin/la/DefaultFactory.h
> >  dolfin/la/EpetraFactory.cpp
> >  dolfin/la/EpetraFactory.h
> >  dolfin/la/EpetraKrylovSolver.cpp
> >  dolfin/la/EpetraKrylovSolver.h
> >  dolfin/la/EpetraLUSolver.cpp
> >  dolfin/la/EpetraLUSolver.h
> >  dolfin/la/ITLKrylovSolver.cpp
> >  dolfin/la/ITLKrylovSolver.h
> >  dolfin/la/KrylovSolver.cpp
> >  dolfin/la/KrylovSolver.h
> >  dolfin/la/LUSolver.cpp
> >  dolfin/la/LUSolver.h
> >  dolfin/la/LinearAlgebraFactory.h
> >  dolfin/la/LinearSolver.cpp
> >  dolfin/la/LinearSolver.h
> >  dolfin/la/MTL4Factory.h
> >  dolfin/la/PETScFactory.cpp
> >  dolfin/la/PETScFactory.h
> >  dolfin/la/PETScKrylovSolver.cpp
> >  dolfin/la/PETScKrylovSolver.h
> >  dolfin/la/PETScLUSolver.cpp
> >  dolfin/la/PETScLUSolver.h
> >  dolfin/la/PETScPreconditioner.cpp
> >  dolfin/la/PETScPreconditioner.h
> >  dolfin/la/STLFactory.h
> >  dolfin/la/SingularSolver.cpp
> >  dolfin/la/SingularSolver.h
> >  dolfin/la/TrilinosPreconditioner.cpp
> >  dolfin/la/TrilinosPreconditioner.h
> >  dolfin/la/solve.cpp
> >  dolfin/la/solve.h
> >  dolfin/la/uBLASFactory.h
> >  dolfin/la/uBLASKrylovSolver.cpp
> >  dolfin/la/uBLASKrylovSolver.h
> > The size of the diff (2615 lines) is larger than your specified limit of 500 lines
> >
> >
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> >
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> >