Hi Richard,

On Fri, 28 Jul 2017 at 19:51, Richard Tran Mills <[email protected]> wrote:

> Folks,
>
> I've been debugging my rmills/add-aijmkl branch, and I found that one bug
> I had was related to what happens when I am using the MKL sparse
> inspector-executor routines inside an AIJMKL matrix and then MatScale is
> called on the matrix. MatScale modifies the entries of the matrix, thereby
> invalidating the internal representation that the MKL routines use.
> Currently, I've set things up so that the MKL representation is only
> updated in MatAssemblyEnd_SeqAIJMKL and MatDuplicate_SeqAIJMKL. Looks like
> I also need a MatScale_SeqAIJMKL that will update the MKL representation
> when needed. Are there other routines that may modify the matrix entries
> without invoking MatAssemblyEnd?
>

I believe MatDiagonalSet and MatDiagonalScale fall into this category

Thanks,
  Dave


>
> --Richard
>

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