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06/29/2023
SYCL compute kernels for ExaHyPE
We discuss three SYCL realisations of a simple Finite Volume scheme over...
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02/17/2023
GPU Offloading in ExaHyPE Through C++ Standard Algorithms
The ISO C++17 standard introduces parallel algorithms, a parallel progra...
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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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06/24/2021
The maximum discrete surface-to-volume ratio of space-filling curve partitions
Space-filling curves (SFCs) are used in high performance computing to di...
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05/26/2021
Task inefficiency patterns for a wave equation solver
The orchestration of complex algorithms demands high levels of automatio...
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05/26/2021
A multiresolution Discrete Element Method for triangulated objects with implicit timestepping
Simulations of many rigid bodies colliding with each other sometimes yie...
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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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05/07/2020
Delayed approximate matrix assembly in multigrid with dynamic precisions
The accurate assembly of the system matrix is an important step in any c...
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09/24/2019
A high-level characterisation and generalisation of communication-avoiding programming techniques
Today's hardware's explosion of concurrency plus the explosion of data w...
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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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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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03/25/2019
Dynamically Adaptive FAS for an Additively Damped AFAC Variant
Multigrid solvers face multiple challenges on parallel computers. Two fu...
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10/09/2018
Coloured and task-based stencil codes
Simple stencil codes are and remain an important building block in scien...
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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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06/19/2018
Enclave Tasking for Discontinuous Galerkin Methods on Dynamically Adaptive Meshes
High-order Discontinuous Galerkin (DG) methods promise to be an excellen...
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01/26/2018
Stop talking to me – a communication-avoiding ADER-DG realisation
We present a communication- and data-sensitive formulation of ADER-DG fo...
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07/11/2016
Form Follows Function -- Do algorithms and applications challenge or drag behind the hardware evolution?
We summarise some of the key statements made at the workshop Form Follow...
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07/03/2016