[petsc-dev] About parallel of ILU

[Zhang, Hong]

Just in case you want to try the exact algorithm you attached, it can be used in PETSc with -pc_type hypre -pc_hypre_type euclid 

Hong (Mr.)

> On Jan 12, 2021, at 8:42 AM, Chen Gang <569615491 at qq.com> wrote:
> 
> 
> Dear Professor,
> 
> I'm writing about this mail about the ILU algorithm in PETSc. I have noticed that the ILU in PETSs cannot be paralleled, and the Hypre providing the parallel implement of ILU.
> 
> My questions is : why the PETSc does not provide the parallel implement of ILU directly, instead of linking to the Hypre to obtain the Parallel ILU algorithm?
> 
> PS: the attachment is the Parallel ILU algorithm in Hypre.
> 
> I'm looking forward to hear you!
> 
> Best,
> 
> Gang Chen
> 
> Sichuan Univertsity,
> School of Mathematics,
> Chengdu, China
> <parallelILU2.pdf>