petsc-main 2021-04-20
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KSPSetMatSolveBatchSize

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

Synopsis

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

Input Parameters

ksp - iterative context
bs - block size

See Also

KSPMatSolve(), KSPGetMatSolveBatchSize(), -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

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