Is DILU a point-block method? We have -pc_type pbjacobi (and vpbjacobi if the node size is not uniform). The are good choices for scale-resolving CFD on GPUs.
Mark Lohry <mlo...@gmail.com> writes: > I'm running GAMG with CUDA, and I'm wondering how the nominally serial > smoother algorithms are implemented on GPU? Specifically SOR/GS and ILU(0) > -- in e.g. AMGx these are applied by first creating a coloring, and the > smoother passes are done color by color. Is this how it's done in petsc AMG? > > Tangential, AMGx and OpenFOAM offer something called "DILU", diagonal ILU. > Is there an equivalent in petsc? > > Thanks, > Mark