[petsc-dev] KSP automatic reordering

[Jed Brown]

On Tue, Sep 18, 2012 at 8:59 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>   The problem is that users won't fix their code to use the correct
> ordering; they'll just have it reorder after it is made (since people are
> lazy), but of course this is true regardless of our interface.
>

Sad but true. Some people will fix it though.


>       So should we strip out the diagonal scaling stuff and make it a PC?
>

I'm not sure. It's a true algorithmic component when using PCLSC (and was
inlined in the old PCBFBT).
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