Thanks Stefano and Chonglin!
DILU in openfoam is our block Jacobi ilu subdomain solvers
>
are you saying that -pc_type gang -mg_levels_pc_type -mg_levels_ksp_type
richardson gives you something exactly equivalent to DILU?
On Tue, Jan 10, 2023 at 4:04 PM Zhang, Chonglin wrote:
> I am using
I am using the following in my Poisson solver running on GPU, which were
suggested by Barry and Mark (Dr. Mark Adams).
-ksp_type cg
-pc_type gamg
-mg_levels_ksp_type chebyshev
-mg_levels_pc_type jacobi
On Jan 10, 2023, at 3:31 PM, Mark Lohry wrote:
So what are people using for GAMG
