Resiliency in numerical algorithm design for extreme scale simulations

E Agullo, M Altenbernd, H Anzt… - … Journal of High …, 2022 - journals.sagepub.com
This work is based on the seminar titled 'Resiliency in Numerical Algorithm Design for
Extreme Scale Simulations' held March 1–6, 2020, at Schloss Dagstuhl, that was attended …

[PDF][PDF] EXAHD: a massively parallel fault tolerant sparse grid approach for high-dimensional turbulent plasma simulations

R Lago, M Obersteiner, T Pollinger… - Software for Exascale …, 2020 - library.oapen.org
Plasma fusion is one of the promising candidates for an emission-free energy source and is
heavily investigated with high-resolution numerical simulations. Unfortunately, these …

Learning-based load balancing for massively parallel simulations of hot fusion plasmas

T Pollinger, D Pflüger - Parallel Computing: Technology Trends, 2020 - ebooks.iospress.nl
The sparse grid combination technique can be used to mitigate the curse of dimensionality
and to gain insight into the physics of hot fusion plasmas with the gyrokinetic code GENE …

Stochastic subspace correction methods and fault tolerance

M Griebel, P Oswald - Mathematics of Computation, 2020 - ams.org
We present convergence results in expectation for stochastic subspace correction schemes
and their accelerated versions to solve symmetric positive-definite variational problems, and …

Resiliency in Numerical Algorithm Design for Extreme Scale Simulations (Dagstuhl Seminar 20101)

L Giraud, U Rüde, L Stals - 2020 - drops.dagstuhl.de
This work is based on the seminar titled" Resiliency in Numerical Algorithm Design for
Extreme Scale Simulations" held March 1-6, 2020 at Schloss Dagstuhl, that was attended by …

Stable and mass-conserving high-dimensional simulations with the sparse grid combination technique for full HPC systems and beyond

T Pollinger - 2024 - elib.uni-stuttgart.de
In the light of the ongoing climate crisis, mastering controlled plasma fusion has the potential
to be one of the pivotal scientific achievements of the 21st century. To understand the …

[PDF][PDF] Aimes: advanced computation and i/o methods for earth-system simulations

J Kunkel, N Jumah, A Novikova, T Ludwig… - Software for Exascale …, 2020 - library.oapen.org
Dealing with extreme scale earth system models is challenging from the computer science
perspective, as the required computing power and storage capacity are steadily increasing …

A sparse-grid probabilistic scheme for approximation of the runaway probability of electrons in fusion tokamak simulation

M Yang, G Zhang, D del-Castillo-Negrete… - Sparse Grids and …, 2021 - Springer
Runaway electrons (RE) generated during magnetic disruptions present a major threat to
the safe operation of plasma nuclear fusion reactors. A critical aspect of understanding RE …

Evaluation of the Actor Model for the Parallelization of Block-Structured Adaptive HPC Applications

AL Pöppl - 2021 - mediatum.ub.tum.de
This thesis explores the advantages of using the actor model over the conventional Bulk
Synchronous Parallelism (BSP) in the field of HPC. In actor-based applications, actors are …

Error Analysis on Galerkin Scheme for the Diffusion Problem

WS Chang, H Hassan, HF Aminnuddin, V Singh… - … of Aerospace and …, 2020 - Springer
For advection-diffusion problem, the non-unified approach of classic residual distribution
(RD) schemes for advection discretization and pure Galerkin scheme for diffusion …