PCTelescopeSetReductionFactor#
Sets the factor by which the original number of MPI processes will been reduced by when constructing the subcommunicator to be used with the PCTELESCOPE.
Synopsis#
#include "petscksp.h" 
#include "petscdm.h" 
PetscErrorCode PCTelescopeSetReductionFactor(PC pc, PetscInt fact)
Not Collective
Input Parameter#
- pc - the preconditioner context 
Output Parameter#
- fact - the reduction factor 
See Also#
KSP: Linear System Solvers, PCTELESCOPE, PCTelescopeGetReductionFactor()
Level#
advanced
Location#
Implementations#
PCTelescopeSetReductionFactor_Telescope() in src/ksp/pc/impls/telescope/telescope.c
Index of all PC routines
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Index of all manual pages