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

Based on https://github.com/hypre-space/hypre/issues/937 it sounds like hypre-ILU is under active development and should be the one we focus on bindings for. It does support 64 bit indices and GPU On Fri, Jun 23, 2023 at 8:36 AM Alexander Lindsay wrote: > Thanks all for your replies. Mark, I’m

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

Thanks all for your replies. Mark, I’m a little unclear on what you said. My understanding is that PETSc ILU is serial only (or can be used as the sub PC in DD PCs).On Jun 23, 2023, at 3:35 AM, Mark Adams wrote:Alexander, let me add that Ilu is pretty commodity, and is available with our vendor,

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

Alexander, let me add that Ilu is pretty commodity, and is available with our vendor, back ends, and that is probably the more reliable route. Hyper’s AMG Solver is state of the art, but their ilu is not their focus. Mark. On Fri, Jun 23, 2023 at 12:11 AM Jed Brown wrote: > It looks like

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

It looks like Victor is working on hypre-ILU so it is active. PETSc used to have PILUT support, but it was so buggy/leaky that we removed the interface. Alexander Lindsay writes: > Haha no I am not sure. There are a few other preconditioning options I will > explore before knocking on this

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

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 wrote:On Thu, Jun 22, 2023 at 8:37 PM Alexander Lindsay wrote:I know that PETSc has hooks for Euclid

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

On Thu, Jun 22, 2023 at 8:37 PM Alexander Lindsay 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