Delyan, merged to next. Can you try and see if it is ok for you?
Stefano > On Jan 12, 2017, at 11:36 PM, Delyan Kalchev <dely...@gmail.com > <mailto:dely...@gmail.com>> wrote: > > Hello, > > I would like to suggest a small modification in petsc / src / ksp / pc / > impls / hypre / hypre.c > > Namely, the lines > > static const char *HYPREBoomerAMGInterpType[] = {"classical", "", "", > "direct", "multipass", "multipass-wts", "ext+i", > <> "ext+i-cc", "standard", > "standard-wts", "", "", "FF", "FF1"}; > > > to be modified to (something like) > static const char *HYPREBoomerAMGInterpType[] = {"classical", "", "", > "direct", "multipass", "multipass-wts", "ext+i", > <> "ext+i-cc", "standard", > "standard-wts", "block", "block-wtd", "FF", "FF1"}; > > This gives access to block interpolation available in HYPRE. It is beneficial > with nodal AMG for systems. > Without this option it seems that only the "coarse mesh" can be constructed > in a nodal fashion but not the interpolation. > A full nodal would need an interpolation between the nodes (which appear as > blocks in the matrix) > > Thank you! > > Regards, > Delyan
