[petsc-users] odd SNES behavior

Mark F. Adams mark.adams at columbia.edu
Wed Mar 6 16:17:53 CST 2013


> 
>  It looks like SNES is not getting set it's "master" Jacobian.  If you run the same code with hypre does it also hit this create?


Hypre hits the create but it only calls MatMult_MFFD once per iteration, whereas gamg is calling it in the smoother.


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