#include "petscksp.h" PetscErrorCode KSPPIPEGCRSetNprealloc(KSP ksp,PetscInt nprealloc)Logically Collective on ksp
| ksp | - the Krylov space context | |
| nprealloc | - the number of vectors to preallocate |
| -ksp_pipegcr_nprealloc <N> | - number of vectors to preallocate |