PCRedundantSetNumber#
Sets the number of redundant preconditioner contexts.
Synopsis#
#include "petscksp.h"
PetscErrorCode PCRedundantSetNumber(PC pc, PetscInt nredundant)
Logically Collective
Input Parameters#
pc - the preconditioner context
nredundant - number of redundant preconditioner contexts; for example if you are using 64 MPI processes and use an nredundant of 4 there will be 4 parallel solves each on 16 = 64/4 processes.
See Also#
Level#
advanced
Location#
Implementations#
PCRedundantSetNumber_Redundant in src/ksp/pc/impls/redundant/redundant.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages