[petsc-users] How to measure the memory usage of the application built on the Petsc?

[Jed Brown]

Fande Kong <fande.kong at colorado.edu> writes:

> In this case, we have four MatSeqAIJSetPreallocations ( for fine matrix and
> coarse matrix respectively) rather than two. I want to set up
> preconditioner from options. Are there some things wrong for the script?

This is expected since ASM also needs the overlapping matrices.