Nullspace correction for inexact local solvers.

pcbddc->prec_type changed to pcbddc->inexact_prec_type.

Hg-commit: 5b48b2076f9f95e37f1617c72f43d98befe2a0c9

reemove OBJSC and OBJSF from invididual makefiles and auto-define in conf/variables

Hg-commit: 2f01c17f3c19dc4b89aaf306cfd60a12312c270d

Connected components must be sorted by global ordering.

Added initial code for MatPartitioning in Multilevel (protected by the preprocessor).
active_procs is no longer a member of PC_BDDC data struc

Connected components must be sorted by global ordering.

Added initial code for MatPartitioning in Multilevel (protected by the preprocessor).
active_procs is no longer a member of PC_BDDC data struct.
Some memory deallocations moved.

Hg-commit: 75bf1b2837c18dc9548d0146754fc595509a4eef

show more ...

Const-correctness for MatGetRowIJ()/MatGetColumnIJ()

The arrays have always been read-only according to the
documentation. This patch should cause no behavioral change.

This const-correctness casca

Const-correctness for MatGetRowIJ()/MatGetColumnIJ()

The arrays have always been read-only according to the
documentation. This patch should cause no behavioral change.

This const-correctness cascaded into the private ordering and coloring
routines.

Hg-commit: 7efa5f739222584a785675705479b4e17c346e6e

show more ...

Changed how coarse dofs and fetidp multipliers are numbered.

Now the procedure is scalable (tested until 15K cores on BGQ).
Preallocation in PARALLEL_BDDC mode changed accordingly.

Minor changes: c

Changed how coarse dofs and fetidp multipliers are numbered.

Now the procedure is scalable (tested until 15K cores on BGQ).
Preallocation in PARALLEL_BDDC mode changed accordingly.

Minor changes: change type of local_primal_indices and others PetscMPIInt.

Hg-commit: eca3eb7ad9485d9d44801e8b045562a443da2b97

show more ...

Rearranged some deallocations when building FETIDP mat.

Multipliers numbering should be improved for large number of procs.

Hg-commit: 729963bc657cb57fa8a7f5de8949dff13e5e00fe

Release memory allocated for aux_new_xadj.

Hg-commit: aa21bedaf8ceea76bd5fa0caed748398b814fcfe

fixed formating of variable declarations messed up by putting const int XXXType
fixed DMDAGet/SetCoordinates() that matt did not remove

Hg-commit: de8db80506612f87fb4b9c77dd85f76c605a3942

Rebuild CSR local graph before adapting interface.

Subdomain connectivity restored to all possible edges (not using faces only).

Hg-commit: e2dd607b6969629bef380ec86f45876e1f5ef7e3

changed #define char* XXXType to typedef const char* XXXType

Hg-commit: 2f1984a65b4f21a886ea1c854235ca6d51deefad

Number of coarse dofs are now computed when numbering them.

R_to_D and R_to_B scatters computed without communications.
Added code in debug mode to test if coarse dofs are properly numbered.
Multile

Number of coarse dofs are now computed when numbering them.

R_to_D and R_to_B scatters computed without communications.
Added code in debug mode to test if coarse dofs are properly numbered.
Multilevel graph reverted to faces adjacency only.
Added static function to set exact dirichlet usage.
Some fixes to source code for PETSc requirements.

Hg-commit: a097e219b087b0f4998bbff6c799ee14ccc49ca9

show more ...

Use PCLU and MATSOLVERPETSC for local problems when their sizes are zero.

Hg-commit: f157be1ec5f4b86e15fea617f3e0570bb9821407

More efficient use of memory when doing multilevel.

Formatted output in ex59.
Added prototype of scatic function PCBDDCSetLevel to bddc.h

Hg-commit: 3d6bdb2d4b70d1d46bb321a6c72356888b7fa2c9

Now BDDC can control number of levels.

Added public function PCBDDCSetMaxLevels.
Added PCBDDCSetCoarseningRatio to BDDC APIs which was missing.
Code now works with coarsening_ratio = 1.
Minor change

Now BDDC can control number of levels.

Added public function PCBDDCSetMaxLevels.
Added PCBDDCSetCoarseningRatio to BDDC APIs which was missing.
Code now works with coarsening_ratio = 1.
Minor changes to the code (coarse connectivity no more through faces only).

Hg-commit: 5b880935157fdc55ba14d40a21d66e7222bbbfe5

show more ...

Added support for linear systems with non trivial kernels via PCBDDCSetNullSpace.

Added call to PCBDDCSetNullSpace in ex59
Removed M2 matrix in coarse function evaluation since it is not needed.
Min

Added support for linear systems with non trivial kernels via PCBDDCSetNullSpace.

Added call to PCBDDCSetNullSpace in ex59
Removed M2 matrix in coarse function evaluation since it is not needed.
Minor changes to the code.

Hg-commit: 8224017c60ff89d13ea7211eefd0f8346b43cc5b

show more ...

code to match PETSc style guide for if (xxx) for (xxx) sizeof(xxx)

Hg-commit: 01e0d19bcd83a980fb5e8e32b294a95da72b405f

Dont use norms in coarse KSP when doing multilevel.

Hg-commit: a585dc8af458c84463f3047fc33dd26014c1b9d0

Added correct preallocation of coarse mat when using parallel direct solves.

Minor changes to debug informations.
Removed very ugly define MIN_PROCS_FOR_BDDC when doing multilevel.
Bug with coarseni

Added correct preallocation of coarse mat when using parallel direct solves.

Minor changes to debug informations.
Removed very ugly define MIN_PROCS_FOR_BDDC when doing multilevel.
Bug with coarsening_factor solved.
Default solver for coarse multilevel problem is now KSPRICHARDSON.
Small changes to test example.
Some changes to adhere to petsc coding conventions.

Hg-commit: 7e14d68bd3205350f262c99ae438ecbb08e3ed29

show more ...

Compute exact size of send buffer when adapting interface dofs.

Hg-commit: f2150b931540173c515f888a4e26b098e1449855

Correct list for PetscOptionsEnum in PCSetFromOptions_BDDC.

Removed duplicated lines of code in ex59.

Hg-commit: 54493fd69ecb0a3cab816dcbbe2cba644769171d

Unneeded copy removed plus some minor modifications.

Hg-commit: 018a1afb5f3fa3dacf43bd739e2c4388540df1b2

Added sorting routines for MPI ints.

Hg-commit: 1219b52b2cb93fd89a192bf4c4bd4ab9767872b5

Begin to limit memory usage with a large number of cores.

Hg-commit: f6e206874ad361dacf02b771d3746274516b830d

Another invalid read from valgrind.

Hg-commit: da7f1bcadb8987d31fea6348ad3fea04fe6e1d68

Bad indentation

Hg-commit: 26fd51e8ded521e8e42c889e127f5a7247c13c0e