[petsc-users] odd SNES behavior

[Barry Smith]

On Mar 8, 2013, at 9:23 AM, "Mark F. Adams" <mark.adams at columbia.edu> wrote:

>> 
>>  I have merged PCBJacobiSetUseTrueLocal(), -pc_bjacobi_true_local, PCKSPSetUseTrue(), -pc_ksp_true, PCCompositeSetUseTrue() -pc_composite_true to PCSetUserAmat(), -pc_use_amat  in petsc-dev.
>> 
>>  Note that other preconditioners, PCMG,  PCFieldSplit, PCASM, PCGASM should adopt the same flag but I will leave that to Mark and Jed.
> 
> GAMG's problem comes from PCMG, do I need to do anything?

   Yes, modify the PCMG :-). 
> 
> other than make '-pc_use_amat false' because I would like to match hypre semantics by default.

   It will be false by default.

   Barry