: petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] Problem of using PCFactorSetDropTolerance
We don't consider drop tolerance preconditioners as reliable or robust so I
don't see anyone implementing it. On Feb 27, 2024, at 10: 11 AM, Константин
Мурусидзе wrote: Thank you! Should we
expect
We don't consider drop tolerance preconditioners as reliable or robust so I
don't see anyone implementing it.
> On Feb 27, 2024, at 10:11 AM, Константин Мурусидзе
> wrote:
>
> Thank you! Should we expect it to appear in the near future?
>
>
> 27.02.2024, 18:07, "Barry Smith" :
>
>
I'm sorry for the confusion. PETSc does not have a drop tolerance ILU so
this function does nothing as you've noted.
Barry
> On Feb 27, 2024, at 7:27 AM, Константин Мурусидзе
> wrote:
>
> This Message Is From an External Sender
> This message came from outside your organization.
>
Hello! I have such problem, while solving linear system and using PCFactorSetDropTolerance. As I understand this function could significantly reduce number of iterations of system of solution, but there is no iterations decreasing. I had try
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