PCASMSetUseInPlace

Tells the system to destroy the matrix after setup is done.

Synopsis

#include "petscpc.h" 
int PCASMSetUseInPlace(PC pc)

Collective on PC

Input Parameters

pc -the preconditioner context

Options Database Key

-pc_asm_in_place -Activates in-place factorization

Note

PCASMSetUseInplace() can only be used with the KSP method KSPPREONLY, and when the original matrix is not required during the Solve process. This destroys the matrix, early thus, saving on memory usage.

Keywords