PCPATCH#
A PC
object that encapsulates flexible definition of blocks for overlapping and non-overlapping small block additive preconditioners. Block definition is based on topology from a DM
and equation numbering from a PetscSection
.
Options Database Keys#
-pc_patch_cells_view - Views the process local cell numbers for each patch
-pc_patch_points_view - Views the process local mesh point numbers for each patch
-pc_patch_g2l_view - Views the map between global dofs and patch local dofs for each patch
-pc_patch_patches_view - Views the global dofs associated with each patch and its boundary
-pc_patch_sub_mat_view - Views the matrix associated with each patch
See Also#
KSP: Linear System Solvers, PCType
, PCCreate()
, PCSetType()
, PCASM
, PCJACOBI
, PCPBJACOBI
, PCVPBJACOBI
, SNESPATCH
Level#
intermediate
Location#
src/ksp/pc/impls/patch/pcpatch.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages