PCAIRSetProcessEqLimit#

Sets the average number of equations per MPI rank below which PCAIR triggers processor agglomeration

Synopsis#

PETSC_EXTERN PetscErrorCode PCAIRSetProcessEqLimit(PC pc, PetscInt input_int)

Logically Collective

Input Parameters#

pc - the PCAIR preconditioner context
input_int - the average number of equations per rank below which processor agglomeration is triggered

Options Database Key#

-pc_air_process_eq_limit eq_limit - trigger processor agglomeration if the average number of equations per rank drops below this value; defaults to 50

See Also#

KSP: Linear System Solvers, PCAIR, PCAIRGetProcessEqLimit(), PCAIRSetProcessorAgglom(), PCAIRSetProcessorAgglomRatio()

Level#

advanced

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