Re: [petsc-users] reuse coarsening setup in hypre

[Smith, Barry F.]

> On Jun 13, 2018, at 3:29 PM, Xiangdong <epsco...@gmail.com> wrote:
> 
> Hello everyone,
> 
> If I solve a few matrices with same sparsity pattern by using hypre_boomeramg 
> pc, can I reuse the coarsening setup information?

   I don't think so. The coarsening process etc depends not just on the nonzero 
pattern but also depends on the numerical values so changing the numerical 
values can change the coarsening process.

   Barry

> 
> Thank you.
> 
> Best,
> Xiangdong