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Hardware-based efficiency advances in the EXA-DUNE project

: Bastian, Peter; Engwer, C.; Fahlke, J.; Geveler, M.; Göddeke, D.; Iliev, O.; Ippisch, O.; Milk, R.; Mohring, Jan; Müthing, S.; Ohlberger, M.; Ribbrock, D.; Turek, S.


Bungartz, Hans-Joachim:
Software for Exascale Computing - SPPEXA 2013-2015 : Proceedings of the SPPEXA Symposium 2016, Munich, 25-27 January 2016
Cham: Springer International Publishing, 2016 (Lecture notes in computational science and engineering 113)
ISBN: 978-3-319-40526-1 (Print)
ISBN: 978-3-319-40528-5 (Online)
Symposium on Software for Exascale Computing (SPPEXA) <2016, Munich>
Conference Paper
Fraunhofer ITWM ()

We present advances concerning efficient finite element assembly and linear solvers on current and upcoming HPC architectures obtained in the frame of the EXA-DUNE project, part of the DFG priority program 1648 Software for Exascale Computing (SPPEXA). In this project, we aim at the development of both flexible and efficient hardware-aware software components for the solution of PDEs based on the DUNE platform and the FEAST library. In this contribution, we focus on node-level performance and accelerator integration, which will complement the provenMPI-level scalability of the framework. The higher-level aspects of the EXADUNE project, in particular multiscale methods and uncertainty quantification, are detailed in the companion paper (Bastian et al., Advances concerning multiscale methods and uncertainty quantification in EXA-DUNE.