[petsc-dev] exascale applications and PETSc usefulness

Munson, Todd tmunson at mcs.anl.gov
Thu Sep 8 12:07:56 CDT 2016


How are they modeling and solving their PDEs?


>> 	€ Transforming Additive Manufacturing through Exascale Simulation
>> (TrAMEx), John Turner (ORNL) with LLNL, LANL, NIST
> PETSc did not come up in TrAMEx meetings I was involved in, and I do not
> believe it will be used. I will try to find out if plans have changed. It
> could be useful, and maybe the new stuff Todd is planning to add to TAO
> will help. In its current form, we simply can¹t model the nonlinear
> programs we would need to solve using the production-ready solvers in TAO
> without kludging something together. Such a kludge would not be a robust
> implementation. TAOIPM could work in principle, but my impression is that
> it still needs work. Some of the SQP stuff I was working on in PETSc
> started to address this gap also; my goal is to clean that up by the 18th.

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