History for Solver Libraries

changed:
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  Trilinos

    The "Trilinos Project":http://software.sandia.gov/trilinos "is an effort
    to develop and implement robust parallel algorithms using modern
    object-oriented software design, while still leveraging the value of
    established numerical libraries such as PETSc, Aztec, the BLAS and
    LAPACK."

    Includes multilevel preconditioners and nonlinear solver.  Note that Jon Pearce
    uses this in his thesis work.

    Epetra in Trilinos has experimental support for "shared memory parallelism
    within MPI
    processes":http://software.sandia.gov/Trilinos/packages/docs/r5.0/packages/epetra/doc/html/classEpetra__MpiSmpComm.html.


  hypre

    "hypre":http://www.llnl.gov/CASC/linear_solvers/ is "a library of high
  performance preconditioners that features parallel multigrid methods for
  both structured and unstructured grid problems".

    A subset ("most":http://www.llnl.gov/CASC/linear_solvers/pubs/concif.pdf)
    of hypre is threaded.

    Note that hypre contains BoomerAMG, which is an MPI-based Algebraic 
    Multigrid Code.  Also, Oliver and I (Travis) have some experience using 
    hypre and have good connections to developers of hypre.

    The
    "licence":http://www.llnl.gov/casc/hypre/download/hypre_Cur_agree.html
    states: "Commercialization of this product is prohibited without notifying
    the Department of Energy (DOE) or Lawrence Livermore National Laboratory
    (LLNL)."


  Aztec

    "Aztec":http://acts.nersc.gov/aztec/ "is a library that provides
    algorithms for the solution of large sparse linear systems arising in
    scientific and engineering applications".

    Written in C.  Callable from Fortran.
    Uses MPI.
    "No threading currently":http://www.llnl.gov/asci/purple/benchmarks/limited/aztec/aztec.readme.bm.html.

    The "licence":http://www.cs.sandia.gov/CRF/Aztec_download.html is for
    "research, development and demonstration purposes only".


  SUNDIALS

    "SUNDIALS":http://www.llnl.gov/CASC/sundials/ is a !SUite of Nonlinear and
  !DIfferential/!ALgebraic equation Solvers.

    Developed from Fortran codes.  Now C.  Note that Jon Pearce is using this for
    this thesis work.


  !UbikSolve

     "UbikSolve":http://sourceforge.net/projects/ubiksolve/ is a F90/95 sparse MPI-based linear algebra 
     library, with emphasis on preconditioned Krylov subspace methods for the solution of linear systems of equations.  

     I (Travis) used this at Los Alamos and found it easy to use.  Also, it has an Artistic License, like perl.  Furthermore, you pass a 
     pointer to your Matrix-Vector multiply into the Krylov solver so it is easy to use with respect to different distributed matrix 
     storage schemes.


  Petsc

     Petsc can also be thought of as a linear solver library.  In fact, it contains a variety of solver
     options that can probably be taken advantage of independently of the rest of Petsc.