[petsc-users] Debugging suggestions: GAMG

[Mark Adams]

On Sat, Jun 13, 2020 at 1:13 PM Mark Adams <mfadams at lbl.gov> wrote:

>
>> > If SPD then you definitely want '-pc_gamg_esteig_ksp_type cg'. CG
>> converges
>> > faster and is more robust.
>>
>> Mark, this comes up a lot.  Should we select it by default if MAT_SPD is
>> set?
>>
>
> I didn't know about MAT_SPD. Yea, I'll add it.
>

I guess I should do this for cheby also.
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