[petsc-dev] explaining hierarchical composible solvers

[Jed Brown]

Not a new idea, my friend.


On Sun, Dec 2, 2012 at 9:49 PM, Karl Rupp <rupp at mcs.anl.gov> wrote:

> 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:
>>
>>
>>
>>
>>
>>     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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