sponsored byACMIEEE The International Conference for High Performance 
Computing, Networking, Storage and Analysis
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SCHEDULE: NOV 15-20, 2015

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PERMON Toolbox Combining Discretization, Domain Decomposition, and Quadratic Programming

SESSION: Regular & ACM Student Research Competition Poster Reception

EVENT TYPE: Posters, Receptions, ACM Student Research Competition

EVENT TAG(S): HPC Beginner Friendly, Regular Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR(S): Michela Becchi, Manish Parashar, Dorian C. Arnold

AUTHOR(S):Vaclav Hapla, David Horak, Lukas Pospisil

ROOM:Level 4 - Lobby

ABSTRACT:

Quadratic programming (QP) problems result e.g. from certain methods in image processing or particle dynamics, or finite element discretization of contact problems of mechanics.
Domain decomposition methods solve an original large problem by splitting it into smaller subdomain problems that are almost independent, allowing naturally massively parallel computations on supercomputers.
We are mostly interested in combining non-overlapping DDMs, namely FETI (Finite Element Tearing and Interconnecting), with optimal QP algorithms. FETI combines both iterative and direct solvers and allows highly accurate computations scaling up to tens of thousands of processors.
Due to limitations of commercial packages, problems often have to be adapted to be solvable and it takes a long time before recent numerical methods needed for HPC are implemented into such packages. These issues lead us to establish the PERMON (Parallel, Efficient, Robust, Modular, Object-oriented, Numerical) toolbox.

Chair/Author Details:

Michela Becchi, Manish Parashar, Dorian C. Arnold (Chair) - University of Missouri|Rutgers University|University of New Mexico|

Vaclav Hapla - IT4Innovations National Supercomputing Center

David Horak - IT4Innovations National Supercomputing Center

Lukas Pospisil - IT4Innovations National Supercomputing Center

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