[petsc-dev] explaining hierarchical composible solvers

[Karl Rupp]

Hmm, following this thought/path all the way down should lead us to ...

... a PETSc GUI? It surely sounds a bit odd, but at some point every 
means to fight the dragon named complexity is welcome.

Best regards,
Karli



On 12/02/2012 07:55 PM, Jed Brown wrote:
> I have wanted to make this sort of view interactive for a long time.
>
> On Dec 2, 2012 4:48 PM, "Barry Smith" <bsmith at mcs.anl.gov
> <mailto:bsmith at mcs.anl.gov>> wrote:
>
>
>
>
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>     In order to help explain and understand composible solver I started
>     to add the PetscViewerDraw ability to the solver objects to
>     graphically explain the solvers used and the decomposition of the
>     solvers. It is very crude now but I've attached a couple of images
>     of what are generated when using -ts/snes/ksp_view_draw   We need to
>     add more information (somehow) to indicate  the multigrid levels as
>     "levels" the field split decomposition etc. Any thoughts or code
>     welcome.
>
>         Barry
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>