[petsc-dev] exascale applications and PETSc usefulness

Richard Mills richardtmills at gmail.com
Mon Sep 26 17:12:18 CDT 2016

Hi Barry,

I'm pretty late responding to the thread, but in early 2015 I attended one
of the initial DOE workshops where they were discussing a wind power
modeling initiative.  I recall that Jed also attended--perhaps he can
comment further.  There was a lot of talk about very ambitious multi-scale
modeling of wind farms (ranging from detailed modeling of turbine blades
all the way up to modeling entire wind farms, perhaps coupling with
regional weather/climate models), as well as a lot of talk about
optimization for wind farm design, site selection, etc.  The workshop was
at the "throw all of your ideas out there" phase, so I'm sure that things
were eventually reduced in scope quite a bit, but there are probably
several possible applications for PETSc and TAO in whatever ended up going
into the Steve Hammond exascale application proposal.


On Wed, Sep 7, 2016 at 1:59 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>     The list of exascale applications funded has been publicly released:
> http://insidehpc.com/2016/09/the-exascale-computing-
> project-ecp-announces-39-8-million-in-first-round-application-development-
> awards/
>    I've pasted the ones below that "may" need or utilize capabilities
> provided by PETSc:
>         • Exascale Modeling of Advanced Particle Accelerators, Jean-Luc
> Vay (LBNL) with LLNL, SLAC
>         • An Exascale Subsurface Simulator of Coupled Flow, Transport,
> Reactions and Mechanics, Carl Steefel (LBNL) with LLNL, NETL
>         • Exascale Predictive Wind Plant Flow Physics Modeling, Steve
> Hammond (NREL) with SNL, ORNL, University of Texas Austin
>         • QMCPACK: A Framework for Predictive and Systematically
> Improvable Quantum‐Mechanics Based Simulations of Materials, Paul Kent
> (ORNL) with ANL, LLNL, SNL, Stone Ridge Technology, Intel, Nvidia
>         • Coupled Monte Carlo Neutronics and Fluid Flow Simulation of
> Small Modular Reactors, Thomas Evans (ORNL, PI) with ANL, INL, MIT
>         • Transforming Additive Manufacturing through Exascale Simulation
> (TrAMEx), John Turner (ORNL) with LLNL, LANL, NIST
>         • NWChemEx: Tackling Chemical, Materials and Biomolecular
> Challenges in the Exascale Era, T. H. Dunning, Jr. (PNNL), with Ames, ANL,
> BNL, LBNL, ORNL, PNNL, Virginia Tech
>         • High-Fidelity Whole Device Modeling of Magnetically Confined
> Fusion Plasma, Amitava Bhattacharjee (PPPL) with ANL, ORNL, LLNL, Rutgers,
> UCLA, University of Colorado
>         • Data Analytics at the Exascale for Free Electron Lasers, Amedeo
> Perazzo (SLAC) with LANL, LBNL, Stanford
>         • Transforming Combustion Science and Technology with Exascale
> Simulations, Jackie Chen (SNL) with LBNL, NREL, ORNL, University of
> Connecticut
>         • Cloud-Resolving Climate Modeling of the Earth’s Water Cycle,
> Mark Taylor (SNL) with ANL, LANL, LLNL, ORNL, PNNL, UCI, CSU
> Based on the names alone it is hard to say for some of them. If anyone has
> useful information on the needs/approaches of these projects please let us
> know so we can determine if there any place for PETSc.
>    Thanks
>     Barry
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