Markus Wittmann

Publication Activity (10 Years)

Years Active: 2009-2021
Publications (10 Years): 6

Top Venues

CoRR

Comput. Math. Appl.

SBAC-PAD

Concurr. Comput. Pract. Exp.

University of Erlangen-Nuremberg, Germany (PHD)

Education History

University of Erlangen-Nuremberg, Germany

PHD

Publications

Axel Klawonn, Martin Lanser, Oliver Rheinbach, Gerhard Wellein, Markus Wittmann
Energy efficiency of nonlinear domain decomposition methods. Int. J. High Perform. Comput. Appl. 35 (3) (2021)
Markus Wittmann, Georg Hager, Radim Janalík, Martin Lanser, Axel Klawonn, Oliver Rheinbach, Olaf Schenk, Gerhard Wellein
Multicore Performance Engineering of Sparse Triangular Solves Using a Modified Roofline Model. SBAC-PAD (2018)
Markus Wittmann, Viktor Haag, Thomas Zeiser, Harald Köstler, Gerhard Wellein
Lattice Boltzmann Benchmark Kernels as a Testbed for Performance Analysis. CoRR (2017)
Nicolay Hammer, Ferdinand Jamitzky, Helmut Satzger, Momme Allalen, Alexander Block, Anupam Karmakar, Matthias Brehm, Reinhold Bader, Luigi Iapichino, Antonio Ragagnin, Vasilios Karakasis, Dieter Kranzlmüller, Arndt Bode, Herbert Huber, Martin Kühn, Rui Machado, Daniel Grünewald, Philipp V. F. Edelmann, Friedrich K. Röpke, Markus Wittmann, Thomas Zeiser, Gerhard Wellein, Gerald Mathias, Magnus Schwörer, Konstantin Lorenzen, Christoph Federrath, Ralf Klessen, Karl-Ulrich Bamberg, Hartmut Ruhl, Florian Schornbaum, Martin Bauer, Anand Nikhil, Jiaxing Qi, Harald Klimach, Hinnerk Stüben, Abhishek Deshmukh, Tobias Falkenstein, Klaus Dolag, Margarita Petkova
Extreme Scale-out SuperMUC Phase 2 - lessons learned. CoRR (2016)
Markus Wittmann, Georg Hager, Thomas Zeiser, Jan Treibig, Gerhard Wellein
Chip-level and multi-node analysis of energy-optimized lattice Boltzmann CFD simulations. Concurr. Comput. Pract. Exp. 28 (7) (2016)
Simon Bauer, Marcus Mohr, Ulrich Rüde, Jens Weismüller, Markus Wittmann, Barbara I. Wohlmuth
A two-scale approach for efficient on-the-fly operator assembly in massively parallel high performance multigrid codes. CoRR (2016)
Nicolay Hammer, Ferdinand Jamitzky, Helmut Satzger, Momme Allalen, Alexander Block, Anupam Karmakar, Matthias Brehm, Reinhold Bader, Luigi Iapichino, Antonio Ragagnin, Vasilios Karakasis, Dieter Kranzlmüller, Arndt Bode, Herbert Huber, Martin Kühn, Rui Machado, Daniel Grünewald, Philipp V. F. Edelmann, Friedrich K. Röpke, Markus Wittmann, Thomas Zeiser, Gerhard Wellein, Gerald Mathias, Magnus Schwörer, Konstantin Lorenzen, Christoph Federrath, Ralf Klessen, Karl-Ulrich Bamberg, Hartmut Ruhl, Florian Schornbaum, Martin Bauer, Anand Nikhil, Jiaxing Qi, Harald Klimach, Hinnerk Stüben, Abhishek Deshmukh, Tobias Falkenstein, Klaus Dolag, Margarita Petkova
Extreme Scale-out SuperMUC Phase 2 - lessons learned. PARCO (2015)
Markus Wittmann, Thomas Zeiser, Georg Hager, Gerhard Wellein
Short Note on Costs of Floating Point Operations on current x86-64 Architectures: Denormals, Overflow, Underflow, and Division by Zero. CoRR (2015)
Markus Wittmann, Thomas Zeiser, Georg Hager, Gerhard Wellein
Modeling and analyzing performance for highly optimized propagation steps of the lattice Boltzmann method on sparse lattices. CoRR (2014)
Kai Selgrad, Alexander Lier, Markus Wittmann, Daniel Lohmann, Marc Stamminger
Defmacro for C: Lightweight, Ad Hoc Code Generation. ELS (2014)
Markus Wittmann, Georg Hager, Thomas Zeiser, Gerhard Wellein
An analysis of energy-optimized lattice-Boltzmann CFD simulations from the chip to the highly parallel level CoRR (2013)
Faisal Shahzad, Markus Wittmann, Thomas Zeiser, Georg Hager, Gerhard Wellein
An Evaluation of Different I/O Techniques for Checkpoint/Restart. IPDPS Workshops (2013)
Markus Wittmann, Thomas Zeiser, Georg Hager, Gerhard Wellein
Comparison of different propagation steps for lattice Boltzmann methods. Comput. Math. Appl. 65 (6) (2013)
Markus Wittmann, Georg Hager, Thomas Zeiser, Gerhard Wellein
Asynchronous MPI for the Masses CoRR (2013)
Faisal Shahzad, Markus Wittmann, Moritz Kreutzer, Thomas Zeiser, Georg Hager, Gerhard Wellein
A Survey of Checkpoint/Restart Techniques on Distributed Memory Systems. Parallel Process. Lett. 23 (4) (2013)
Faisal Shahzad, Markus Wittmann, Thomas Zeiser, Gerhard Wellein
Asynchronous Checkpointing by Dedicated Checkpoint Threads. EuroMPI (2012)
Markus Wittmann, Thomas Zeiser, Georg Hager, Gerhard Wellein
Domain decomposition and locality optimization for large-scale lattice Boltzmann simulations CoRR (2011)
Markus Wittmann, Thomas Zeiser, Georg Hager, Gerhard Wellein
Comparison of different Propagation Steps for the Lattice Boltzmann Method CoRR (2011)
Markus Wittmann, Georg Hager
Optimizing ccNUMA locality for task-parallel execution under OpenMP and TBB on multicore-based systems CoRR (2011)
Markus Wittmann, Georg Hager, Gerhard Wellein
Multicore-aware parallel temporal blocking of stencil codes for shared and distributed memory. IPDPS Workshops (2010)
Markus Wittmann, Georg Hager, Jan Treibig, Gerhard Wellein
Leveraging Shared Caches for Parallel Temporal Blocking of Stencil Codes on Multicore Processors and Clusters. Parallel Process. Lett. 20 (4) (2010)
Markus Wittmann, Georg Hager, Jan Treibig, Gerhard Wellein
Leveraging shared caches for parallel temporal blocking of stencil codes on multicore processors and clusters CoRR (2010)
Gerhard Wellein, Georg Hager, Thomas Zeiser, Markus Wittmann, Holger Fehske
Efficient Temporal Blocking for Stencil Computations by Multicore-Aware Wavefront Parallelization. COMPSAC (1) (2009)
Markus Wittmann, Georg Hager, Gerhard Wellein
Multicore-aware parallel temporal blocking of stencil codes for shared and distributed memory CoRR (2009)
Markus Wittmann, Georg Hager
A Proof of Concept for Optimizing Task Parallelism by Locality Queues CoRR (2009)

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Publication Activity (10 Years)

Top Topics

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Markus Wittmann