PETSc version 3.15.5
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# KSPGetMatSolveBatchSize

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

### Synopsis

    #include "petscksp.h"
    #include "petscmat.h"
    PetscErrorCode KSPGetMatSolveBatchSize(KSP ksp, PetscInt *bs)

### Input Parameter

| ksp | - iterative context

### Output Parameter

| bs | - block size

### See Also

KSPMatSolve(), KSPSetMatSolveBatchSize(), -mat_mumps_icntl_27, -matmatmult_Bbn

### Level

advanced

### Location

src/ksp/ksp/interface/itfunc.c

### Examples

src/ksp/ksp/tutorials/ex77.c.html
src/ksp/ksp/tutorials/ex77f.F90.html
Index of all KSP routines
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