petsc-master 2020-10-19
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KSPSetMatSolveBlockSize

Sets the maximum number of columns treated simultaneously in KSPMatSolve().

Synopsis

#include "petscksp.h" 
#include "petscmat.h" 
PetscErrorCode KSPSetMatSolveBlockSize(KSP ksp, PetscInt bs)
Logically collective

Input Parameters

ksp - iterative context
bs - block size

See Also

KSPMatSolve(), KSPGetMatSolveBlockSize(), -mat_mumps_icntl_27, -matmatmult_Bbn

Level

advanced

Location

src/ksp/ksp/interface/itfunc.c

Examples

src/ksp/ksp/tutorials/ex76.c.html
src/ksp/ksp/tutorials/ex77.c.html
src/ksp/ksp/tutorials/ex77f.F90.html

Implementations

KSPSetMatSolveBlockSize_HPDDM in src/ksp/ksp/impls/hpddm/hpddm.cxx

Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages