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 …

High-dimensional approximation with kernel-based multilevel methods on sparse grids

R Kempf, H Wendland - Numerische Mathematik, 2023 - Springer
Moderately high-dimensional approximation problems can successfully be solved by
combining univariate approximation processes using an intelligent combination technique …

[SÁCH][B] EXAHD: A massively parallel fault tolerant sparse grid approach for high-dimensional turbulent plasma simulations

R Lago, M Obersteiner, T Pollinger, J Rentrop… - 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 …

[PDF][PDF] A massively parallel combination technique for the solution of high-dimensional PDEs

M Heene - 2018 - core.ac.uk
The solution of high-dimensional problems, especially high-dimensional partial differential
equations (PDEs) that require the joint discretization of more than the usual three spatial …

A highly scalable, algorithm-based fault-tolerant solver for gyrokinetic plasma simulations

M Obersteiner, AP Hinojosa, M Heene… - Proceedings of the 8th …, 2017 - dl.acm.org
With future exascale computers expected to have millions of compute units distributed
among thousands of nodes, system faults are predicted to become more frequent. Fault …

A spatially adaptive and massively parallel implementation of the fault-tolerant combination technique

MJ Obersteiner - 2021 - mediatum.ub.tum.de
In this work, we discuss measures to increase the scalability, robustness, and efficiency of
the Combination Technique. In particular, we introduce an asynchronous variant and …

Scalable algorithms for the solution of higher-dimensional PDEs

M Heene, D Pflüger - Software for Exascale Computing-SPPEXA 2013 …, 2016 - Springer
The solution of higher-dimensional problems, such as the simulation of plasma turbulence in
a fusion device as described by the five-dimensional gyrokinetic equations, is a grand …

EXAHD: An exa-scalable two-level sparse grid approach for higher-dimensional problems in plasma physics and beyond

M Heene, AP Hinojosa, M Obersteiner… - … Computing in Science …, 2018 - Springer
Within the current reporting period (04/2016–04/2017) of our HLRS project we have
developed a scalable implementation of the fault-tolerant combination technique. Fault …

A redundant gateway prototype for wireless avionic sensor networks

D Scazzoli, A Mola, B Silverajan… - 2017 IEEE 28th …, 2017 - ieeexplore.ieee.org
Wireless Sensor Network (WSN) technologies provide advantages that allow them to
replace traditional wired systems in an ever growing number of applications. This paper …

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 …