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10/18/2021
Doubt and Redundancy Kill Soft Errors – Towards Detection and Correction of Silent Data Corruption in Task-based Numerical Software
Resilient algorithms in high-performance computing are subject to rigoro...
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08/24/2021
An Efficient ADER-DG Local Time Stepping Scheme for 3D HPC Simulation of Seismic Waves in Poroelastic Media
Many applications from geosciences require simulations of seismic waves ...
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07/30/2021
High Performance Uncertainty Quantification with Parallelized Multilevel Markov Chain Monte Carlo
Numerical models of complex real-world phenomena often necessitate High ...
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07/13/2021
3D Acoustic-Elastic Coupling with Gravity: The Dynamics of the 2018 Palu, Sulawesi Earthquake and Tsunami
We present a highly scalable 3D fully-coupled Earth ocean model of e...
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05/25/2020
TeaMPI – Replication-based Resilience without the (Performance) Pain
In an era where we can not afford to checkpoint frequently, replication ...
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04/27/2020
An Environment for Sustainable Research Software in Germany and Beyond: Current State, Open Challenges, and Call for Action
Research software has become a central asset in academic research. It op...
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03/28/2020
Vectorization and Minimization of Memory Footprint for Linear High-Order Discontinuous Galerkin Schemes
We present a sequence of optimizations to the performance-critical compu...
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11/15/2019
Role-Oriented Code Generation in an Engine for Solving Hyperbolic PDE Systems
The development of a high performance PDE solver requires the combined e...
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09/13/2019
Tasks Unlimited: Lightweight Task Offloading Exploiting MPI Wait Times for Parallel Adaptive Mesh Refinement
Balancing dynamically adaptive mesh refinement (AMR) codes is inherently...
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07/05/2019
A stable discontinuous Galerkin method for linear elastodynamics in geometrically complex media using physics based numerical fluxes
High order accurate and explicit time-stable solvers are well suited for...
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05/20/2019
ExaHyPE: An Engine for Parallel Dynamically Adaptive Simulations of Wave Problems
ExaHyPE ("An Exascale Hyperbolic PDE Engine") is a software engine for s...
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03/27/2019
Yet Another Tensor Toolbox for discontinuous Galerkin methods and other applications
The numerical solution of partial differential equations is at the heart...
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10/23/2018
Exploiting the Space Filling Curve Ordering of Particles in the Neighbour Search of Gadget3
Gadget3 is nowadays one of the most frequently used high performing para...
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10/16/2018
Influence of A-Posteriori Subcell Limiting on Fault Frequency in Higher-Order DG Schemes
Soft error rates are increasing as modern architectures require increasi...
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10/09/2018
Studies on the energy and deep memory behaviour of a cache-oblivious, task-based hyperbolic PDE solver
We study the performance behaviour of a seismic simulation using the Exa...
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11/16/2010