Re: [petsc-users] hypre-ILU vs hypre Euclid

[Alexander Lindsay]

Haha no I am not sure. There are a few other preconditioning options I will explore before knocking on this door some more.  On Jun 22, 2023, at 6:49 PM, Matthew Knepley <knep...@gmail.com> wrote:  On Thu, Jun 22, 2023 at 8:37 PM Alexander Lindsay <alexlindsay...@gmail.com> wrote: I know that PETSc has hooks for Euclid but I discovered today that it does not support 64 bit indices, which many MOOSE applications need. This would probably be more appropriate for a hypre support forum (does anyone know if such a forum exists other than opening GitHub issues?), but does anyone here know what the difference between hypre-ILU and hypre-Euclid are? From the docs it seems they are both supposed to be parallel ILU solvers. If hypre-ILU worked with 64 bit indices (I can probably check this sifting through the sources), then I would probably add hooks for it in PETSc (AFAICT those don't exist at present). My understanding was that two different people were working on them. I do not know if either is still actively supported. We would of course like a binding to whatever is supported. Are you sure you want to run ILU?   THanks,      Matt -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener https://www.cse.buffalo.edu/~knepley/