[petsc-users] odd SNES behavior

Mark F. Adams mark.adams at columbia.edu
Fri Mar 8 09:23:34 CST 2013


> 
>   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?

 other than make '-pc_use_amat false' because I would like to match hypre semantics by default.


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