The Trilinos Solver Framework

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Current status; Concrete types» Epetra and LAPACK vectors andmatrices; Matrix-free types» block, sum, product, diagonal,zero, and identity operators; Preconditioners» IFPack» User-defined blockpreconditioners; Linear solvers» BICGSTAB, GMRES, CG, FCG,FGMRES» AztecOO» LAPACK direct» Schur complement, block triangularComputational Science and Mathematics Research Department; Nonlinear operators» general nonlinear operatorinterface» Composed operators; Nonlinear solvers» Newton with line search» Picard; Utilities» Controllable error handling anddiagnostic reporting» reader/writer interfaces» Matlab and Matrix Marketreaders and writersSandiaNationalLaboratories
Where is TSF being used?; Sundance» a high-level PDE simulation and optimization package (KL); Split/O3D» a SQP optimization code (Paul Boggs); rSQP++» a rSQP optimization code (Ross Bartlett)Computational Science and Mathematics Research DepartmentSandiaNationalLaboratories
Page 1 and 2: The Trilinos Solver FrameworkKevin
Page 3 and 4: TSF• Interface for representation
Page 5: written with block and composedoper
Page 8 and 9: The overhead incurred by using TSF
Page 10: General code style; TSF is in C++;
Page 13 and 14: TSF provides an interface forconfig
Page 15 and 16: Overloaded operators are used to fo
Page 17 and 18: Preconditioning• TSFPreconditione
Page 19: Example: creating a Kay-Loghinpreco
Page 23 and 24: Acknowledgements; Helpful design cr
Page 25: Formulation and solution of a sourc

The Trilinos Solver Framework

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