[petsc-dev] TSSolve web page JED and EMIL READ THIS!

[Jed Brown]

Barry Smith <bsmith at mcs.anl.gov> writes:
>    Why can't TS handle that? Users always prefer to use the lowest
>    level thing available, that doesn't mean it is right.
>
>    In the language of TS what does a "funky system, liked mixed
>    particle-field," mean, does it require a little more API on our
>    side? I'm much rather have Emil and Jed control the time-stepping
>    then some ignorant user.

Dofs move to different processes at each stage.  That isn't compatible
with Vec.  Do we need to overhaul Vec before users can integrate such a
system?

Practicality wins over purity.
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