research:publications

Publications

2019

  • Parallele Dateisysteme (Michael Kuhn), In Informatik Spektrum, pp. 1–5, (Editors: Arndt Bode), Springer (Berlin, Heidelberg), ISSN: 1432-122X, 2019-09-03
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  • Optimizing Memory Bandwidth Efficiency with User-Preferred Kernel Merge (Nabeeh Jumah, Julian Kunkel), In Advanced Research in Computing and Software Science (ARCoSS), Lecture Notes in Computer Science (LNCS), Springer, COLOC: 3rd workshop on data locality/Euro-Par 2019, Göttingen, Germany, 2019-08-26
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  • D3.4 Performance Results and Conclusions (Nabeeh Jumah, Hisashi Yashiro, Julian Kunkel), Research Group: Scientific Computing, University of Hamburg (Deutsches Klimarechenzentrum GmbH, Bundesstraße 45a, D-20146 Hamburg), 2019-07-31
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  • ESiWACE: On European Infrastructure Efforts for Weather and Climate Modeling at Exascale (Philipp Neumann, Joachim Biercamp), In eScience 2019 Proceedings, IEEE, eScience 2019: Workshop Platform-driven e-infrastructure innovations, San Diego, USA, 2019-07-04 (to be published)
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  • Sparse Grid Regression for Performance Prediction Using High-Dimensional Run Time Data (Philipp Neumann), In Europar 2019: Workshop Proceedings, Lecture Notes in Computer Science, Springer International Publishing, Europar 2019 Workshops: PMACS, Göttingen, Germany, 2019-06-28 (to be published)
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  • Scalable Parallelization of Stencils using MODA (Nabeeh Jumah, Julian Kunkel), In High Performance Computing, Lecture Notes in Computer Science, Springer International Publishing, ISC 2019 Workshop: P3MA, Frankfurt, Germany, 2019-06-20
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  • MaMiCo: Parallel Noise Reduction for Multi-Instance Molecular-Continuum Flow Simulation (Piet Jarmatz, Philipp Neumann), In Computational Science - ICCS 2019, Lecture Notes in Computer Science (11539), pp. 451–464, Springer International Publishing, ICCS, workshop Multiscale Modelling and Simulation, Faro, Algarve, Portugal, ISBN: 978-3-030-22747-0, 2019-06
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  • Algorithms and HPC Software for Molecular-Continuum Flow Simulation (Philipp Neumann), Habilitation, School: Technical University of Munich, 2019-05
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  • AutoPas: Auto-Tuning for Particle Simulations (Fabio Gratl, Steffen Seckler, Nikola Tchipev, Hans-Joachim Bungartz, Philipp Neumann), In TBD, IPDPS, workshop iWAPT, Rio de Janeiro, Brazil, 2019-05 (to be published)
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  • D1.3 Advanced Source-to-Source Translation Tools (Nabeeh Jumah, Julian Kunkel), Research Group: Scientific Computing, University of Hamburg (Deutsches Klimarechenzentrum GmbH, Bundesstraße 45a, D-20146 Hamburg), 2019-03-04
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  • Mastering the scales: a survey on the benefits of multiscale computing software (Derek Groen, Jaroslaw Knap, Philipp Neumann, Diana Suleimenova, Lourens Veen, Kenneth Leiter), In Philosophical Transactions of the Royal Society A, Series: 377(2142), pp. 20180147, The Royal Society Publishing, 2019-02-18
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  • Assessing the Scales in Numerical Weather and Climate Predictions: Will Exascale be the Rescue? (Philipp Neumann, Peter Düben, Panagiotis Adamidis, Peter Bauer, Matthias Brueck, Luis Kornblueh, Daniel Klocke, Bjorn Stevens, Nils Wedi, Joachim Biercamp), In Philosophical Transactions of the Royal Society A, Series: 377(2142), pp. 20180148, The Royal Society Publishing, 2019-02-18
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  • TweTriS: Twenty Trillion-atom Simulation (Nikola Tchipev, Steffen Seckler, Matthias Heinen, Jadran Vrabec, Fabio Gratl, Martin Horsch, Martin Bernreuther, Colin W. Glass, Christoph Niethammer, Nicolay Hammer, Bernd Krischok, Michael Resch, Dieter Kranzlmüller, Hans Hasse, Hans-Joachim Bungartz, Philipp Neumann), In International Journal of High Performance Computing Applications, SAGE, 2019-01-06
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  • Automatic Vectorization of Stencil Codes with the GGDML Language Extensions (Nabeeh Jumah, Julian Kunkel), In Proceedings of the 5th Workshop on Programming Models for SIMD/Vector Processing, WPMVP'19, ACM, Principles and Practice of Parallel Programming 2019, Washington, DC, USA, 2019
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  • Wadden Sea Eutrophication: Long-Term Trends and Regional Differences (Justus E. E. van Beusekom, Jacob Carstensen, Tobias Dolch, Annika Grage, Richard Hofmeister, Hermann Lenhart, Onur Kerimoglu, Kerstin Kolbe, Johannes Pätsch, Johannes Rick, Lena Rönn, Hans Ruiter), In Frontiers in Marine Science, Series: 6, pp. 370, (Editors: Christophe Rabouille), Frontiers (Avenue du Tribunal Fédéral 34, CH-1005 Lausanne, Switzerland), 2019
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  • PetaFLOP Molecular Dynamics for Engineering Applications (Philipp Neumann, Nikola Tchipev, Steffen Seckler, Matthias Heinen, Jadran Vrabec, Hans-Joachim Bungartz), In High Performance Computing in Science and Engineering '18 (tba), Series: Transactions of the High Performance Computing Center Stuttgart (HLRS) 2018, pp. 397–408, Springer, ISBN: 978-3-030-13324-5, 2019
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2018

  • Increasing parallelism in climate models via additional component concurrency (Jörg Behrens, Joachim Biercamp, Hendryk Bockelmann, Philipp Neumann), In 2018 IEEE 14th International Conference on e-Science, pp. 271–271, eScience, Amsterdam, Netherlands, 2018-10
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  • Mission possible: Unify HPC and Big Data stacks towards application-defined blobs at the storage layer (Pierre Matri, Yevhen Alforov, Álvaro Brandon, María S. Pérez, Alexandru Costan, Gabriel Antoniu, Michael Kuhn, Philip Carns, Thomas Ludwig), In Future Generation Computer Systems, (Editors: Peter Sloot), Elsevier, 2018-07
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  • D1.2 DSL Concepts for Icosahedral Models (Nabeeh Jumah, Julian Kunkel, Michel Müller), Research Group: Scientific Computing, University of Hamburg (Deutsches Klimarechenzentrum GmbH, Bundesstraße 45a, D-20146 Hamburg), 2018-03-19
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  • SkaSim - Skalierbare HPC-Software für molekulare Simulationen in der chemischen Industrie (Jadran Vrabec, Martin Bernreuther, Hans-Joachim Bungartz, Wei-Lin Chen, Wilfried Cordes, Robin Fingerhut, Colin W. Glass, Jürgen Gmehling, René Hamburger, Manfred Heilig, Mattias Heinen, Martin T. Horsch, Chieh-Ming Hsieh, Marco Hülsmann, Philip Jäger, Peter Klein, Sandra Knauer, Thorsten Köddermann, Andreas Köster, Kai Langenbach, Shiang-Tai Lin, Philipp Neumann, Jürgen Rarey, Dirk Reith, Gábor Rutkai, Michael Schappals, Martin Schenk, Andre Schedemann, Mandes Schönherr, Steffen Seckler, Simon Stephan, Katrin Stöbener, Nikola Tchipev, Amer Wafai, Stephan Werth, Hans Hasse), In Chemie Ingenieur Technik, Series: 90(3), pp. 295–306, (Editors: Norbert Asprion), Wiley, ISSN: 1522-2640, 2018-02-01
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  • Assessing the Effects of WFD Nutrient Reductions Within an OSPAR Frame Using Trans-boundary Nutrient Modeling (Hermann Lenhart, Fabian Große), In Frontiers in Marine Science, Series: 5, pp. 447, (Editors: Christophe Rabouille), Frontiers (Avenue du Tribunal Fédéral 34, CH-1005 Lausanne, Switzerland), 2018
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  • A model–based projection of historical state of a coastal ecosystem: Relevance of phytoplankton stoichiometry (Onur Kerimoglu, Fabian Große, Markus Kreus, Hermann Lenhart, Justes E.E. van Beusekom), In Science of the Total Environment, Series: 639, pp. 1311–1323, Elsevier Science Publishers B. V. (Amsterdam, The Netherlands), ISSN: 0048-9697, 2018
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  • Performance Portability of Earth System Models with User-Controlled GGDML code Translation (Nabeeh Jumah, Julian Kunkel), In High Performance Computing, Lecture Notes in Computer Science (11203), Springer International Publishing, ISC 2018 Workshops, Frankfurt, Germany, 2018
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  • Recent Advances in Computing (Editorial) (Pavel Solin, José Luis Galán-García, Vit Dolejší, Philipp Neumann, Petr Svacek, Jaroslav Kruis, Volker John), In Applied Mathematics and Computation, Series: 319, pp. 1–1, Elsevier, 2018
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2017

  • Towards Decoupling the Selection of Compression Algorithms from Quality Constraints – an Investigation of Lossy Compression Efficiency (Julian Kunkel, Anastasiia Novikova, Eugen Betke), In Supercomputing Frontiers and Innovations, Series: Volume 4, Number 4, pp. 17–33, (Editors: Jack Dongarra, Vladimir Voevodin), Publishing Center of South Ural State University (454080, Lenin prospekt, 76, Chelyabinsk, Russia), 2017-12
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  • A holistic scalable implementation approach of the lattice Boltzmann method for CPU/GPU heterogeneous clusters (Christoph Riesinger, Arash Bakhtiari, Martin Schreiber, Philipp Neumann, Hans-Joachim Bungartz), In Computation, Series: 5(4), pp. 48, (Editors: Karlheinz Schwarz), MDPI, ISSN: 2079-3197, 2017-11-30
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  • Understanding Hardware and Software Metrics with respect to Power Consumption (Julian Kunkel, Manuel F. Dolz), In Sustainable Computing: Informatics and Systems, Series: Sustainable Computing, (Editors: Ishfaq Ahmad), Elsevier, ISSN: 2210-5379, 2017-11-04
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  • JULEA: A Flexible Storage Framework for HPC (Michael Kuhn), In High Performance Computing, Lecture Notes in Computer Science (10524), (Editors: Julian Kunkel, Rio Yokota, Michela Taufer, John Shalf), Springer International Publishing, ISC High Performance 2017, Frankfurt, Germany, ISBN: 978-3-319-67629-6, 2017-11
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  • A mouse model for embryonal tumors with multilayered rosettes uncovers the therapeutic potential of Sonic-hedgehog inhibitors (Julia E. Neumann, Annika K. Wefers, Sander Lambo, Edoardo Bianchi, Marie Bockstaller, Mario M. Dorostkar, Valerie Meister, Pia Schindler, Andrey Korshunov, Katja von Hoff, Johannes Nowak, Monika Warmuth-Metz, Marlon R. Schneider, Ingrid Renner-Müller, Daniel J. Merk, Mehdi Shakarami, Tanvi Sharma, Lukas Chavez, Rainer Glass, Jennifer A. Chan, M. Mark Taketo, Philipp Neumann, Marcel Kool, Ulrich Schüller), In Nature Medicine, Series: 23(10), pp. 1191–1202, Nature Publishing Group, ISSN: 1546-170X, 2017-09-11
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  • Could Blobs Fuel Storage-Based Convergence Between HPC and Big Data? (Pierre Matri, Yevhen Alforov, Alvaro Brandon, Michael Kuhn, Philip Carns, Thomas Ludwig), In 2017 IEEE International Conference on Cluster Computing, pp. 81–86, IEEE Computer Society, CLUSTER 2017, Honolulu, USA, ISBN: 978-1-5386-2326-8, 2017-09
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  • MaMiCo: Transient Multi-Instance Molecular-Continuum Flow Simulation on Supercomputers (Philipp Neumann, Xin Bian), In Computer Physics Communications, Series: 220, pp. 390–402, Elsevier, ISSN: 0010-4655, 2017-07-27
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  • GGDML: Icosahedral Models Language Extensions (Nabeeh Jumah, Julian Kunkel, Günther Zängl, Hisashi Yashiro, Thomas Dubos, Yann Meurdesoif), In Journal of Computer Science Technology Updates, Series: Volume 4, Number 1, pp. 1–10, Cosmos Scholars Publishing House, 2017-06-21
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  • D1.1 Model-Specific Dialect Formulations (Nabeeh Jumah, Julian Kunkel, Michel Müller, Hisashi Yashiro, Thomas Dubos, John Thuburn), Research Group: Scientific Computing, University of Hamburg (Deutsches Klimarechenzentrum GmbH, Bundesstraße 45a, D-20146 Hamburg), 2017-06-04
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  • SFS: A Tool for Large Scale Analysis of Compression Characteristics (Julian Kunkel), Research Papers (4), Research Group: Scientific Computing, University of Hamburg (Deutsches Klimarechenzentrum GmbH, Bundesstraße 45a, D-20146 Hamburg), 2017-05-05
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  • Interaktiver C-Programmierkurs, ICP (Julian Kunkel, Jakob Lüttgau), In HOOU Content Projekte der Vorprojektphase 2015/16 – Sonderband zum Fachmagazin Synergie (Kerstin Mayrberger), pp. 182–186, Universität Hamburg (Universität Hamburg, Mittelweg 177, 20148 Hamburg), ISBN: 978-3-924330-57-6, 2017-04-10
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  • Lattice Boltzmann Flow Simulation on Android Devices for Interactive Mobile-Based Learning (Philipp Neumann, Michael Zellner), In Euro-Par 2016: Parallel Processing Workshops, Lecture Notes in Computer Science (10104), pp. 3–15, Springer (Berlin, Heidelberg), Euro-Par 2016, Grenoble, ISBN: 978-3-319-58943-5, 2017
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  • A Novel String Representation and Kernel Function for the Comparison of I/O Access Patterns (Raul Torres, Julian Kunkel, Manuel Dolz, Thomas Ludwig), In International Conference on Parallel Computing Technologies, Lecture Notes in Computer Science (10421), pp. 500–512, (Editors: Victor Malyshkin), Springer, PaCT, Nizhni Novgorod, Russia, ISBN: 978-3-319-62932-2, 2017
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  • Real-Time I/O-Monitoring of HPC Applications with SIOX, Elasticsearch, Grafana and FUSE (Eugen Betke, Julian Kunkel), In High Performance Computing: ISC High Performance 2017 International Workshops, DRBSD, ExaComm, HCPM, HPC-IODC, IWOPH, IXPUG, P^3MA, VHPC, Visualization at Scale, WOPSSS, Lecture Notes in Computer Science (10524), pp. 158–170, (Editors: Julian Kunkel, Rio Yokota, Michaela Taufer, John Shalf), Springer, ISC High Performance, Frankfurt, Germany, ISBN: 978-3-319-67629-6, 2017
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  • High Performance Shallow Water Kernels for Parallel Overland Flow Simulations Based on FullSWOF2D (Roland Wittmann, Hans-Joachim Bungartz, Philipp Neumann), In Computers and Mathematics with Applications, Series: 74(1), pp. 110–125, (Editors: Jose Galan-Garcia), Elsevier, ISSN: 0898-1221, 2017
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  • Interdisciplinary Teamwork in HPC Education: Challenges, Concepts, and Outcomes (Philipp Neumann, Christoph Kowitz, Felix Schranner, Dmitrii Azarnykh), In Journal of Parallel and Distributed Computing, Series: 105, pp. 83–91, (Editors: Sushil Prasad), Elsevier, ISSN: 0743-7315, 2017
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  • A Novel Modeling Approach to Quantify the Influence of Nitrogen Inputs on the Oxygen Dynamics of the North Sea (Fabian Große, Markus Kreus, Hermann Lenhart, Johannes Pätsch, Thomas Pohlmann), In Frontiers in Marine Science, Series: 4, pp. 383, (Editors: Christophe Rabouille), Frontiers (Avenue du Tribunal Fédéral 34, CH-1005 Lausanne, Switzerland), 2017
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  • An MPI-IO In-Memory Driver for Non-Volatile Pooled Memory of the Kove XPD (Julian Kunkel, Eugen Betke), In High Performance Computing: ISC High Performance 2017 International Workshops, DRBSD, ExaComm, HCPM, HPC-IODC, IWOPH, IXPUG, P^3MA, VHPC, Visualization at Scale, WOPSSS, Lecture Notes in Computer Science (10524), pp. 644–655, (Editors: Julian Kunkel, Rio Yokota, Michaela Taufer, John Shalf), Springer, ISC High Performance, Frankfurt, Germany, ISBN: 978-3-319-67629-6, 2017
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  • Toward Decoupling the Selection of Compression Algorithms from Quality Constraints (Julian Kunkel, Anastasiia Novikova, Eugen Betke, Armin Schaare), In High Performance Computing: ISC High Performance 2017 International Workshops, DRBSD, ExaComm, HCPM, HPC-IODC, IWOPH, IXPUG, P^3MA, VHPC, Visualization at Scale, WOPSSS, Lecture Notes in Computer Science (10524), pp. 1–12, (Editors: Julian Kunkel, Rio Yokota, Michaela Taufer, John Shalf), Springer, ISC High Performance, Frankfurt, Germany, ISBN: 978-3-319-67629-6, 2017
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  • Simulation of Hierarchical Storage Systems for TCO and QoS (Jakob Lüttgau, Julian Kunkel), In High Performance Computing: ISC High Performance 2017 International Workshops, DRBSD, ExaComm, HCPM, HPC-IODC, IWOPH, IXPUG, P^3MA, VHPC, Visualization at Scale, WOPSSS, Lecture Notes in Computer Science (10524), pp. 116–128, (Editors: Julian Kunkel, Rio Yokota, Michaela Taufer, John Shalf), Springer, ISC High Performance, Frankfurt, Germany, ISBN: 978-3-319-67629-6, 2017
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  • Performance and Power Optimization (Michael Kuhn, Konstantinos Chasapis, Manuela Kuhn, Janusz Malka, Thomas Stibor, Gvozden Nešković), In Helmholtz Portfolio Theme Large-Scale Data Management and Analysis (LSDMA) (Christopher Jung, Jörg Meyer, Achim Streit), pp. 141–160, KIT Scientific Publishing (Karlsruhe, Germany), ISBN: 978-3-7315-0695-9, 2017
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2016

  • Predicting I/O Performance in HPC Using Artificial Neural Networks (Jan Fabian Schmid, Julian Kunkel), In Supercomputing Frontiers and Innovations, Series: Volume 3, Number 3, pp. 34–39, (Editors: Jack Dongarra, Vladimir Voevodin), Publishing Center of South Ural State University (454080, Lenin prospekt, 76, Chelyabinsk, Russia), 2016-10
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  • Analyzing Data Properties using Statistical Sampling – Illustrated on Scientific File Formats (Julian Kunkel), In Supercomputing Frontiers and Innovations, Series: Volume 3, Number 3, pp. 19–33, (Editors: Jack Dongarra, Vladimir Voevodin), Publishing Center of South Ural State University (454080, Lenin prospekt, 76, Chelyabinsk, Russia), 2016-10
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  • Analyzing Data Properties using Statistical Sampling Techniques – Illustrated on Scientific File Formats and Compression Features (Julian Kunkel), In High Performance Computing: ISC High Performance 2016 International Workshops, ExaComm, E-MuCoCoS, HPC-IODC, IXPUG, IWOPH, P3MA, VHPC, WOPSSS, Lecture Notes in Computer Science (9945 2016), pp. 130–141, (Editors: Michela Taufer, Bernd Mohr, Julian Kunkel), Springer, ISC-HPC 2017, Frankfurt, Germany, ISBN: 978-3-319-46079-6, 2016-06
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  • Data Compression for Climate Data (Michael Kuhn, Julian Kunkel, Thomas Ludwig), In Supercomputing Frontiers and Innovations, Series: Volume 3, Number 1, pp. 75–94, (Editors: Jack Dongarra, Vladimir Voevodin), Publishing Center of South Ural State University (454080, Lenin prospekt, 76, Chelyabinsk, Russia), 2016-06
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  • Towards Automatic and Flexible Unit Test Generation for Legacy HPC Code (Christian Hovy, Julian Kunkel), In Proceedings of the Fourth International Workshop on Software Engineering for High Performance Computing in Computational Science and Engineering, SEHPCCSE16, Salt Lake City, Utah, USA, 2016
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  • Coupling 4 Molecular Dynamics Codes in a Massively Parallel Molecular-Continuum Fluid Dynamics Framework (Hans-Joachim Bungartz, Philipp Neumann, Nikola Tchipev, Wolfgang Eckhardt, Piet Jarmatz), In High Performance Computing in Science and Engineering Garching/Munich 2016 (Siegfried Wagner, Arndt Bode, Helmut Brüchle, Matthias Brehm), pp. 156–157, Bayerische Akademie der Wissenschaften (München), 2016
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  • Steady-State Anderson Accelerated Coupling of Lattice Boltzmann and Navier-Stokes Solvers (Atanas Atanasov, Benjamin Uekermann, Carlos A. Pachajoa Mejia, Hans-Joachim Bungartz, Philipp Neumann), In Computation, Series: 4(4), pp. 19, (Editors: Karlheinz Schwarz), MDPI, ISSN: 2079-3197, 2016
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  • On transient hybrid Lattice Boltzmann-Navier-Stokes flow simulations (Philipp Neumann), In Journal of Computational Science, Series: 17(2), pp. 482–490, (Editors: Peter Sloot), Elsevier, ISSN: 1877-7503, 2016
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  • MaMiCo: Software design for parallel molecular-continuum flow simulations (Philipp Neumann, Hanno Flohr, Rahul Arora, Piet Jarmatz, Nikola Tchipev, Hans-Joachim Bungartz), In Computer Physics Communications, Series: 200, pp. 324–335, (Editors: N. Stanley Scott), Elsevier, ISSN: 0010-4655, 2016
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  • Looking beyond stratification: a model-based analysis of the biological drivers of oxygen deficiency in the North Sea (Fabian Große, Naomi Greenwood, Markus Kreus, Hermann Lenhart, Detlev Machoczek, Johannes Pätsch, Lesley A. Salt, Helmuth Thomas), In Biogeosciences, Series: 13, pp. 2511–2535, (Editors: Veronique Garçon), Copernicus Publications (Bahnhofsallee 1e, 37081 Göttingen, Germany), 2016
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  • Analyzing the energy consumption of the storage data path (Pablo Llopis, Manuel F. Dolz, Javier Garcia Blas, Florin Isaila, Mohammad Reza Heidari, Michael Kuhn), In The Journal of Supercomputing, Series: Number 11227, pp. 1–18, (Editors: Hamid Arabnia), Springer US, ISSN: 0920-8542, 2016
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  • Software for Exascale Computing - SPPEXA 2013-2015 (Hans-Joachim Bungartz, Philipp Neumann, Wolfgang E. Nagel), Springer (Berlin, Heidelberg), ISBN: 978-3-319-40528-5, 2016
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  • Load Balancing for Molecular Dynamics Simulations on Heterogeneous Architectures (Steffen Seckler, Nikola Tchipev, Hans-Joachim Bungartz, Philipp Neumann), In 2016 IEEE 23rd International Conference on High Performance Computing, pp. 101–110, IEEE, HiPC 2016, Hyderabad, ISBN: 978-1-5090-5411-4, 2016
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2015

  • ArduPower: A low-cost wattmeter to improve energy efficiency of HPC applications (Manuel F. Dolz, Mohammad Reza Heidari, Michael Kuhn, Thomas Ludwig, Germán Fabregat), In Sixth International Green Computing Conference and Sustainable Computing Conference (IGSC) 2015, pp. 1–8, IEEE, IGSC 2015, Las Vegas, USA, 2015-12
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  • MPI-Checker - Static Analysis for MPI (Alexander Droste, Michael Kuhn, Thomas Ludwig), In Proceedings of the Second Workshop on the LLVM Compiler Infrastructure in HPC, LLVM '15, ACM (New York, USA), SC15, Austin, Texas, USA, ISBN: 978-1-4503-4005-2, 2015-11
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  • Analyzing Power Consumption of I/O Operations in HPC Applications (Pablo Llopis, Manuel F. Dolz, Javier García-Blas, Florin Isaila, Jesús Carretero, Mohammad Reza Heidari, Michael Kuhn), In Proceedings of the Second International Workshop on Sustainable Ultrascale Computing Systems (NESUS 2015), pp. 107–116, (Editors: Jesus Carretero, Javier Garcia Blas, Roman Wyrzykowski, Emmanuel Jeannot), Computer Architecture, Communications and Systems Group (ARCOS) (Madrid, Spain), NESUS 2015, Jesus Carretero, Krakow, Poland, ISBN: 978-84-608-2581-4, 2015-10
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  • Dynamically Adaptable I/O Semantics for High Performance Computing (Michael Kuhn), In High Performance Computing, Lecture Notes in Computer Science (9137), pp. 240–256, (Editors: Julian Martin Kunkel, Thomas Ludwig), Springer International Publishing (Switzerland), ISC 2015, Frankfurt, Germany, ISBN: 978-3-319-20118-4, ISSN: 0302-9743, 2015-06
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  • Identifying Relevant Factors in the I/O-Path using Statistical Methods (Julian Kunkel), Research Papers (3), Research Group: Scientific Computing, University of Hamburg (Deutsches Klimarechenzentrum GmbH, Bundesstraße 45a, D-20146 Hamburg), 2015-03-14
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  • Optimized Force Calculation in Molecular Dynamics Simulations for the Intel Xeon Phi (Nikola Tchipev, Amer Wafai, Colin W. Glass, Wolfgang Eckhardt, Alexander Heinecke, Hans-Joachim Bungartz, Philipp Neumann), In Euro-Par 2015: Parallel Processing Workshops, Lecture Notes in Computer Science (9523), pp. 774–785, Springer (Berlin, Heidelberg), Euro-Par 2015, Vienna, ISBN: 978-3-319-27307-5, 2015
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  • Big Data Research at DKRZ – Climate Model Data Production Workflow (Michael Lautenschlager, Panagiotis Adamidis, Michael Kuhn), In Big Data and High Performance Computing (Lucio Grandinetti, Gerhard Joubert, Marcel Kunze, Valerio Pascucci), Series: Advances in Parallel Computing, Edition: 26, pp. 133–155, IOS Press, ISBN: 978-1-61499-582-1, 2015
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  • Integration of FULLSWOF2D and PeanoClaw: Adaptivity and Local Time-Stepping for Complex Overland Flows (Kristof Unterweger, Roland Wittmann, Philipp Neumann, Tobias Weinzierl, Hans-Joachim Bungartz), In Recent Trends in Computational Engineering - CE2014, Lecture Notes in Computational Science and Engineering (105), pp. 181–195, Springer (Berlin, Heidelberg), CE2014, Stuttgart, ISBN: 978-3-319-22996-6, 2015
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  • Dynamically adaptive Lattice Boltzmann simulation of shallow water flows with the Peano framework (Philipp Neumann, Hans-Joachim Bungartz), In Applied Mathematics and Computation, Series: 267, pp. 795–804, (Editors: Theodore Simos), Elsevier, ISSN: 0096-3003, 2015
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  • The North Sea – A shelf sea in the Anthropocene (Kay-Christian Emeis, Justus van Beusekom, Ulrich Callies, Ralf Ebinghaus, Andreas Kannen, Gerd Kraus, Ingrid Kröncke, Hermann Lenhart, Ina Lorkowski, Volker Matthias, Christian Möllmann, Johannes Pätsch, Mirco Scharfe, Helmuth Thomas, Ralf Weisse, Eduardo Zorita), In Journal of Marine Systems, Series: 141, pp. 18–33, Elsevier Science Publishers B. V. (Amsterdam, The Netherlands), 2015
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  • The influence of winter convection on primary production: A parameterisation using a hydrostatic three-dimensional biogeochemical model (Fabian Große, Christian Lindemann, Johannes Pätsch, Jan O. Backhaus), In Journal of Marine Systems, Series: 147, pp. 138–152, Elsevier Science Publishers B. V. (Amsterdam, The Netherlands), ISSN: 0924-7963, 2015
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  • Looking beyond stratification: a model-based analysis of the biological drivers of oxygen depletion in the North Sea (Fabian Große, Naomi Greenwood, Markus Kreus, Hermann Lenhart, Detlev Machoczek, Johannes Pätsch, Lesley A. Salt, Helmuth Thomas), In Biogeosciences Discussions, Series: 12, pp. 12543–12610, Copernicus Publications (Bahnhofsallee 1e, 37081 Göttingen, Germany), 2015
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  • Teamwork Across Disciplines: High-Performance Computing Meets Engineering (Philipp Neumann, Christoph Kowitz, Felix Schranner, Dmitrii Azarnykh), In Euro-Par 2015: Parallel Processing Workshops, Lecture Notes in Computer Science (9523), pp. 125–134, Springer (Berlin, Heidelberg), Euro-Par 2015, Vienna, ISBN: 978-3-319-27307-5, 2015
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  • An analytical methodology to derive power models based on hardware and software metrics (Manuel F. Dolz, Julian Kunkel, Konstantinos Chasapis, Sandra Catalan), In Computer Science - Research and Development, pp. 1–10, Springer US, ISSN: 1865-2042, 2015
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  • Predicting Performance of Non-Contiguous I/O with Machine Learning (Julian Kunkel, Eugen Betke, Michaela Zimmer), In High Performance Computing, 30th International Conference, ISC High Performance 2015, Lecture Notes in Computer Science (9137), pp. 257–273, (Editors: Julian Martin Kunkel, Thomas Ludwig), ISC High Performance, Frankfurt, ISSN: 0302-9743, 2015
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2014

  • Exascale Storage Systems – An Analytical Study of Expenses (Julian Kunkel, Michael Kuhn, Thomas Ludwig), In Supercomputing Frontiers and Innovations, Series: Volume 1, Number 1, pp. 116–134, (Editors: Jack Dongarra, Vladimir Voevodin), Publishing Center of South Ural State University (454080, Lenin prospekt, 76, Chelyabinsk, Russia), 2014-06
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  • PaTriG - Particle Transport Simulation in Grids (Tobias Weinzierl, Philipp Neumann, Kristof Unterweger, Bart Verleye, Roland Wittmann), In High Performance Computing in Science and Engineering Garching/Munich 2014 (Siegfried Wagner, Arndt Bode, Helmut Satzger, Matthias Brehm), pp. 128–129, Bayerische Akademie der Wissenschaften (München), 2014
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  • Genomic and transcriptomic analyses match medulloblastoma mouse models to their human counterparts (Julia Pöschl, Sebastian Stark, Philipp Neumann, Susanne Gröbner, Daisuke Kawauchi, David T.W. Jones, Paul A. Northcott, Peter Lichter, Stefan M. Pfister, Marcel Kool, Ulrich Schüller), In Acta Neuropathologica, Series: 128(1), pp. 123–136, (Editors: Werner Paulus), Springer, ISSN: 0001-6322, 2014
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  • Rendering of Feature-rich Dynamically Changing Volumetric Datasets on GPU (Martin Schreiber, Atanas Atanasov, Philipp Neumann, Hans-Joachim Bungartz), In 2014 International Conference on Computational Science, Procedia Computer Science (29), pp. 648–658, Elsevier, ICCS 2014, Cairns, 2014
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  • Hybrid molecular-continuum methods: From prototypes to coupling software (Philipp Neumann, Wolfgang Eckhardt, Hans-Joachim Bungartz), In Computers & Mathematics with Applications, Series: 67(2), pp. 272–281, (Editors: Leszek Demkowicz), Elsevier, ISSN: 0898-1221, 2014
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  • A Comparison of Trace Compression Methods for Massively Parallel Applications in Context of the SIOX Project (Alvaro Aguilera, Holger Mickler, Julian Kunkel, Michaela Zimmer, Marc Wiedemann, Ralph Müller-Pfefferkorn), In Tools for High Performance Computing 2013, pp. 91–105, ISBN: 978-3-319-08143-4, 2014
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  • Influence of large offshore wind farms on North German climate (Marita Boettcher, Peter Hoffmann, Hermann Lenhart, Heinke Schlünzen, Robert Schoetter), In Meteorologische Zeitschrift, Series: 24, pp. 465–480, Borntraeger Science Publishers (Stuttgart), ISSN: 0941-2948, 2014
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2013

  • ICON DSL: A Domain-Specific Language for climate modeling (Raul Torres, Leonidas Lindarkis, Julian Kunkel, Thomas Ludwig), In WOLFHPC 2013 Third International Workshop on Domain-Specific Languages and High-Level Frameworks for High Performance Computing, SC13, Denver, 2013-11-18
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  • Evaluating Lossy Compression on Climate Data (Nathanael Hübbe, Al Wegener, Julian Kunkel, Yi Ling, Thomas Ludwig), In Supercomputing, Lecture Notes in Computer Science (7905), pp. 343–356, (Editors: Julian Martin Kunkel, Thomas Ludwig, Hans Werner Meuer), Springer (Berlin, Heidelberg), ISC 2013, Leipzig, Germany, ISBN: 978-3-642-38749-4, ISSN: 0302-9743, 2013-06
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  • A Semantics-Aware I/O Interface for High Performance Computing (Michael Kuhn), In Supercomputing, Lecture Notes in Computer Science (7905), pp. 408–421, (Editors: Julian Martin Kunkel, Thomas Ludwig, Hans Werner Meuer), Springer (Berlin, Heidelberg), ISC 2013, Leipzig, Germany, ISBN: 978-3-642-38749-4, ISSN: 0302-9743, 2013-06
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  • Using Simulation to Validate Performance of MPI(-IO) Implementations (Julian Kunkel), In Supercomputing, Lecture Notes in Computer Science (7905), pp. 181–195, (Editors: Julian Martin Kunkel, Thomas Ludwig, Hans Werner Meuer), Springer (Berlin, Heidelberg), ISC 2013, Leipzig, Germany, ISBN: 978-3-642-38749-4, ISSN: 0302-9743, 2013-06
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  • Performance-optimized clinical IMRT planning on modern CPUs (Peter Ziegenhein, Cornelis Ph Kamerling, Mark Bangert, Julian Kunkel, Uwe Oelfke), In Physics in Medicine and Biology, Series: Volume 58 Number 11, IOP Publishing, ISSN: 1361-6560, 2013-05-08
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  • Reducing the HPC-Datastorage Footprint with MAFISC – Multidimensional Adaptive Filtering Improved Scientific data Compression (Nathanel Hübbe, Julian Kunkel), In Computer Science - Research and Development, Series: Volume 28, Issue 2-3, pp. 231–239, Springer, 2013-05
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  • Simulating parallel programs on application and system level (Julian Kunkel), In Computer Science - Research and Development, Series: Volume 28, Issue 2-3, pp. 167–174, Springer, 2013-05
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  • Towards I/O Analysis of HPC Systems and a Generic Architecture to Collect Access Patterns (Marc Wiedemann, Julian Kunkel, Michaela Zimmer, Thomas Ludwig, Michael Resch, Thomas Bönisch, Xuan Wang, Andriy Chut, Alvaro Aguilera, Wolfgang E. Nagel, Michael Kluge, Holger Mickler), In Computer Science - Research and Development, Series: 28, pp. 241–251, Springer New York Inc. (Hamburg, Berlin, Heidelberg), ISSN: 1865-2034, 2013-05
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  • Massively parallel molecular-continuum simulations with the macro-micro-coupling tool (Philipp Neumann, Jens Harting), In Hybrid Particle-Continuum Methods in Computational Materials Physics, NIC Series (46), pp. 211–216, Forschungszentrum Jülich GmbH, HYBRID 2013, Jülich, ISBN: 978-3-89336-849-5, 2013
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  • A dynamic mesh refinement technique for Lattice Boltzmann simulations on octree-like grids (Philipp Neumann, Tobias Neckel), In Computational Mechanics, Series: 51(2), pp. 237–253, (Editors: Peter Wriggers), Springer, ISSN: 0178-7675, 2013
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  • A radial distribution function-based open boundary force model for multi-centered molecules (Philipp Neumann, Wolfgang Eckhardt, Hans-Joachim Bungartz), In International Journal of Modern Physics C, Series: 25(6), pp. 1450008, (Editors: Hans J. Herrmann), World Scientific, ISSN: 0129-1831, 2013
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  • A CEP Technology Stack for Situation Recognition on the Gumstix Embedded Controller (Stephan Grimm, Thomas Hubauer, Thomas Runkler, Carlos Pachajoa, Felix Rempe, Marco Seravalli, Philipp Neumann), In GI-Jahrestagung, LNI (220), pp. 1925–1930, GI, ISBN: 978-3-88579-614-5, 2013
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2012

  • A Study on Data Deduplication in HPC Storage Systems (Dirk Meister, Jürgen Kaiser, Andre Brinkmann, Michael Kuhn, Julian Kunkel, Toni Cortes), In Proceedings of the ACM/IEEE Conference on High Performance Computing (SC), IEEE Computer Society, SC'12, Salt Lake City, USA, 2012-11-10
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  • Simulating parallel programs on application and system level (Julian Kunkel), In Computer Science – Research and Development, Series: Volume 28 Number 2-3, Springer (Berlin, Heidelberg), ISSN: 1865-2042, 2012-06
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  • Optimizations for Two-Phase Collective I/O (Michael Kuhn, Julian Kunkel, Yuichi Tsujita, Hidetaka Muguruma, Thomas Ludwig), In Applications, Tools and Techniques on the Road to Exascale Computing, Advances in Parallel Computing (22), pp. 455–462, (Editors: Koen De Bosschere, Erik H. D'Hollander, Gerhard R. Joubert, David Padua, Frans Peters), IOS Press (Amsterdam, Berlin, Tokyo, Washington DC), ParCo 2011, University of Ghent, ELIS Department, Ghent, Belgium, ISBN: 978-1-61499-040-6, ISSN: 0927-5452, 2012
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  • Visualization of MPI(-IO) Datatypes (Julian Kunkel, Thomas Ludwig), In Applications, Tools and Techniques on the Road to Exascale Computing, Advances in Parallel Computing (22), pp. 473–480, (Editors: Koen De Bosschere, Erik H. D'Hollander, Gerhard R. Joubert, David Padua, Frans Peters), IOS Press (Amsterdam, Berlin, Tokyo, Washington DC), ParCo 2011, University of Ghent, ELIS Department, Ghent, Belgium, ISBN: 978-1-61499-040-6, ISSN: 0927-5452, 2012
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  • A Coupling Tool for Parallel Molecular Dynamics-Continuum Simulations (Philipp Neumann, Nikola Tchipev), In 2012 11th International Symposium on Parallel and Distributed Computing, pp. 111–118, IEEE, ISPDC 2012, Munich, 2012
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  • Simulation-Aided Performance Evaluation of Server-Side Input/Output Optimizations (Michael Kuhn, Julian Kunkel, Thomas Ludwig), In 20th Euromicro International Conference on Parallel, Distributed and Network-Based Processing, pp. 562–566, (Editors: Rainer Stotzka, Michael Schiffers, Yiannis Cotronis), IEEE Computer Society (Los Alamitos, Washington, Tokyo), PDP 2012, Munich Network Management Team, Garching, Germany, ISBN: 978-0-7695-4633-9, ISSN: 1066-6192, 2012
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  • Simulating Application and System Interaction with PIOsimHD (Julian Kunkel, Thomas Ludwig), In Proceedings of the Work in Progress Session, 20th Euromicro International Conference on Parallel, Distributed and Network-Based Processing, SEA-Publications (31), (Editors: Erwin Grosspietsch, Konrad Klöckner), Institute for Systems Engineering and Automation (Johannes Kepler University Linz), PDP 2012, Munich Network Management Team, Garching, Germany, ISBN: 978-3-902457-31-8, 2012
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  • eeClust: Energy-Efficient Cluster Computing (Timo Minartz, Daniel Molka, Michael Knobloch, Stephan Krempel, Thomas Ludwig, Wolfgang E. Nagel, Bernd Mohr, Hugo Falter), In Competence in High Performance Computing 2010, pp. 111–124, Springer Berlin Heidelberg (Heidelberg), CiHPC 2010, Schwetzingen, Germany, ISBN: 978-3-642-24025-6, 2012
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  • Measuring Inappropriate Generosity with Access Modifiers in Java Systems (Christian Zoller, Axel Schmolitzky), In The Joint Conference of the 22nd International Workshop on Software Measurement (IWSM) and the 7th International Conference on Software Process and Product Measurement (Mensura), pp. 43–52, IWSM/MENSURA2012, Assisi, Italy, 2012
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  • Evaluating the Influence of File System Interfaces and Semantics on I/O Throughput in High Performance Computing (Christina Janssen, Michael Kuhn, Thomas Ludwig), In Proceedings of the Work in Progress Session, 20th Euromicro International Conference on Parallel, Distributed and Network-Based Processing, SEA-Publications (31), (Editors: Erwin Grosspietsch, Konrad Klöckner), Institute for Systems Engineering and Automation (Johannes Kepler University Linz), PDP 2012, Munich Network Management Team, Garching, Germany, ISBN: 978-3-902457-31-8, 2012
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  • Scientific Computing: Performance and Efficiency in Climate Models (Sandra Schröder, Michael Kuhn, Nathanael Hübbe, Julian Kunkel, Timo Minartz, Petra Nerge, Florens Wasserfall, Thomas Ludwig), In Proceedings of the Work in Progress Session, 20th Euromicro International Conference on Parallel, Distributed and Network-Based Processing, SEA-Publications (31), (Editors: Erwin Grosspietsch, Konrad Klöckner), Institute for Systems Engineering and Automation (Johannes Kepler University Linz), PDP 2012, Munich Network Management Team, Garching, Germany, ISBN: 978-3-902457-31-8, 2012
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  • Reducing the HPC-Datastorage Footprint with MAFISC - Multidimensional Adaptive Filtering Improved Scientific data Compression (Nathanael Hübbe, Julian Kunkel), In Computer Science - Research and Development, Springer (Hamburg, Berlin, Heidelberg), ISC 2012, Executive Committee, CCH–Congress Center Hamburg, Germany, 2012
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  • Tracing and Visualization of Energy-Related Metrics (Timo Minartz, Julian M. Kunkel, Thomas Ludwig), In 26th IEEE International Parallel & Distributed Processing Symposium Workshops, IEEE Computer Society, HPPAC 2012, Shanghai, China, 2012
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  • IOPm – Modeling the I/O Path with a Functional Representation of Parallel File System and Hardware Architecture (Julian Kunkel, Thomas Ludwig), In 20th Euromicro International Conference on Parallel, Distributed and Network-Based Processing, pp. 554–561, (Editors: Rainer Stotzka, Michael Schiffers, Yiannis Cotronis), IEEE Computer Society (Los Alamitos, Washington, Tokyo), PDP 2012, Munich Network Management Team, Garching, Germany, ISBN: 978-0-7695-4633-9, ISSN: 1066-6192, 2012
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  • AccessAnalysis - A Tool for Measuring the Appropriateness of Access Modifiers in Java Systems (Christian Zoller, Axel Schmolitzky), In Proceedings of the 2012 IEEE 12th International Working Conference on Source Code Analysis and Manipulation, pp. 120–125, IEEE Computer Society (Los Alamitos, CA, USA), SCAM 2012, Riva del Garda, Trento, Italy, 2012
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  • Tool Environments to Measure Power Consumption and Computational Performance (Timo Minartz, Daniel Molka, Julian Kunkel, Michael Knobloch, Michael Kuhn, Thomas Ludwig), In Handbook of Energy-Aware and Green Computing (Ishfaq Ahmad, Sanjay Ranka), Chapters: 31, pp. 709–743, Chapman and Hall/CRC Press Taylor and Francis Group (6000 Broken Sound Parkway NW, Boca Raton, FL 33487), ISBN: 978-1-4398-5040-4, 2012
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  • Report on “Distance to Target” Modelling Assessment by ICG-EMO (Hermann Lenhart, Xavier Desmit, Fabian Große, David Mills, Geneviève Lacroix, Hans Los, Alain Ménesguen, Johannes Pätsch, Tineke Troost, Johan van der Molen, Sonja van Leeuwen, Sarah Wakelin), Reports of OSPAR ICG-EMO Working group, OSPAR Commission (London, United Kingdom), 2012
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  • Lattice Boltzmann Simulations in the Slip and Transition Flow Regime with the Peano Framework (Philipp Neumann, Till Rohrmann), In Open Journal of Fluid Dynamics, Series: 2(3), pp. 101–110, (Editors: Heuy-Dong Kim), Scientific Research Publishing, ISSN: 2165-3852, 2012
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  • A Coupled Approach for Fluid Dynamic Problems Using the PDE Framework Peano (Philipp Neumann, Hans-Joachim Bungartz, Miriam Mehl, Tobias Neckel, Tobias Weinzierl), In Communications in Computational Physics, Series: 12 (1), pp. 65–84, (Editors: Xian-Tu He), Global Science Press, ISSN: 1815-2406, 2012
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2011

  • HDTrace – A Tracing and Simulation Environment of Application and System Interaction (Julian Kunkel), Research Papers (2), Research Group: Scientific Computing, University of Hamburg (Deutsches Klimarechenzentrum GmbH, Bundesstraße 45a, D-20146 Hamburg), 2011-01-23
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  • Free-Surface Lattice Boltzmann Simulation on Many-Core Architectures (Martin Schreiber, Philipp Neumann, Stefan Zimmer, Hans-Joachim Bungartz), In 2011 International Conference on Computational Science, Procedia Computer Science (4), pp. 984–993, Elsevier, ICCS 2011, Singapore, 2011
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  • Managing Hardware Power Saving Modes for High Performance Computing (Timo Minartz, Michael Knobloch, Thomas Ludwig, Bernd Mohr), In Green Computing Conference and Workshops (IGCC), 2011 International, pp. 1–8, IGCC, Orlando, Florida, USA, ISBN: 978-1-4577-1222-7, 2011
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  • Zwei Metriken zum Messen des Umgangs mit Zugriffsmodifikatoren in Java (Christian Zoller, Axel Schmolitzky), In Software Engineering 2011 – Proceedings, Lecture Notes in Informatics (P-183), pp. 183–194, Gesellschaft für Informatik (Bonn, Germany), SE2011, Karlsruhe, Germany, 2011
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  • Navier-Stokes and Lattice Boltzmann on octree-like grids in the Peano framework (Miriam Mehl, Tobias Neckel, Philipp Neumann), In International Journal for Numerical Methods in Fluids, Series: 65(1-3), pp. 67–86, (Editors: Remi Abgrall), John Wiley & Sons, ISSN: 0271-2091, 2011
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  • Performance Characteristics of Global High-Resolution Ocean (MPIOM) and Atmosphere (ECHAM6) Models on Large-Scale Multicore Cluster (Panagiotis Adamidis, Irina Fast, Thomas Ludwig), In Parallel Computing Technologies - 11th International Conference, PaCT 2011, Kazan, Russia, September 19-23, 2011. Proceedings, Lecture Notes in Computer Science (6873), pp. 390–403, (Editors: Victor Malyshkin), Springer, PaCT, Kazan, Russia, ISBN: 978-3-642-23177-3, 2011
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  • Investigating Influence of Data Storage Organization on Structured Code Search Performance (Daniel Bernau, Olga Mordvinova, Jan Karstens, Susan Hickl), In Computing, Control and Industrial Engineering (CCIE), 2011 IEEE 2nd International Conference on, pp. 247–250, IEEE Computer Society (Washington, DC, USA), CCIE 2011, ISBN: 978-1-4244-9599-3, 2011
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  • Flexible Workload Generation for HPC Cluster Efficiency Benchmarking (Daniel Molka, Daniel Hackenberg, Robert Schöne, Timo Minartz, Wolfgang E. Nagel), In Computer Science - Research and Development, Series: 1, (Editors: Thomas Ludwig), Springer (Berlin / Heidelberg, Germany), 2011
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  • Determine Energy-Saving Potential in Wait-States of Large-Scale Parallel Programs (Michael Knobloch, Bernd Mohr, Timo Minartz), In Computer Science - Research and Development, Series: 1, (Editors: Thomas Ludwig), Springer (Berlin / Heidelberg, Germany), 2011
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  • Validation tool for analyzing vertical profile data of one state variable (valpro1var) by comparison to merged observational data sets and their preparation (OBS_prep): description and user guide (Fabian Große, Andreas Moll), Technical report (11(1)), University of Hamburg, Institute of Oceanography (Hamburg, Germany), 2011
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2010

  • System Performance Comparison of Stencil Operations with the Convey HC-1 (Julian Kunkel, Petra Nerge), Technical Reports (1), Research Group: Scientific Computing, University of Hamburg (Deutsches Klimarechenzentrum GmbH, Bundesstraße 45a, D-20146 Hamburg), 2010-11-16
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  • Classification of Network Computers Based on Distribution of ICMP-echo Round-trip Times (Julian Kunkel, Jan C. Neddermeyer, Thomas Ludwig), Research Papers (1), Staats- und Universitätsbibliothek Hamburg (Carl von Ossietzky, Von-Melle-Park 3, 20146 Hamburg), 2010-09-28
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  • From experimental setup to bioinformatics: an RNAi screening platform to identify host factors involved in HIV-1 replication (Kathleen Börner, Johannes Hermle, Christoph Sommer, Nigel P. Brown, Bettina Knapp, Bärbel Glass, Julian Kunkel, Gloria Torralba, Jürgen Reymann, Nina Beil, Jürgen Beneke, Rainer Pepperkok, Reinhard Schneider, Thomas Ludwig, Michael Hausmann, Fred Hamprecht, Holger Erfle, Lars Kaderali, Hans-Georg Kräusslich, Maik J. Lehmann), In Biotechnology Journal, Series: 5-1, pp. 39–49, WILEY-VCH (Weinheim, Germany), ISSN: 1860-7314, 2010-01
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  • Modellbasierte Bewertung der Auswirkungen von Offshore-Windkraftanlagen auf die ökologische Integrität der Nordsee (Benjamin Burkhard, Silvia Opitz, Hermann Lenhart, Kai Ahrendt, Stefan Garthe, Bettina Mendel, Petra Nerge, Wilhelm Windhorst), In Forschung für ein integriertes Küstenzonenmanagement: Fallbeispiele Odermündungsregion und Offshore-Windkraft in der Nordsee (A. Kannen, G. Schernewski, I. Krämer, M. Lange, H. Janßen, N. Stybel), Series: 15 (2010), pp. 15–29, Coastline Reports (EUCC - Die Küsten Union Deutschland e. V., c/o Leibniz-Institut für Ostseeforschung Warnemünde, Seestr. 15, 18119 Rostock, Germany), ISBN: 978-3-9811839-7-9, 2010
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  • Wake Effects (Petra Nerge, Hermann Lenhart), In Analyzing Coastal and Marine Changes: Offshore Wind Farming as a Case Study. Zukunft Küste - Coastal Futures Synthesis Report. (Marcus Lange, Benjamin Burkhard, Stefan Garthe, Kira Gee, Andreas Kannen, Hermann Lenhart, Wilhelm Windhorst), Series: No. 36, Chapters: 5.3, pp. 68–73, LOICZ Research and Studies (GKSS Research Center, Geesthacht, Germany), 2010
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  • Predicting the consequences of nutrient reduction on the eutrophication status of the North Sea (Hermann Lenhart, David K. Mills, Hanneke Baretta-Bekker, Sonja M. van Leeuwen, Johan van der Molen, Job W. Barettad, Meinte Blaase, Xavier Desmite, Wilfried Kühna, Geneviève Lacroixf, Hans J. Lose, Alain Ménesgueng, Ramiro Nevesh, Roger Proctori, Piet Ruardijj, Morten D. Skogenk, Alice Vanhoutte-Brunierg, Monique T. Villarse, Sarah L. Wakelini), In Journal of Marine Systems, Series: 81 (1-2), pp. 148–170, Elsevier B.V (Amsterdam, Netherlands), ISSN: 0924-7963, 2010
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  • I/O Benchmarking of Data Intensive Applications (Olga Mordvinova, Thomas Ludwig, Christian Bartholomä), In Problems in Programming, Series: 2-3, pp. 107–115, National Academy of Sciences of Ukraine, ISSN: 1727-4907, 2010
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  • Tracing Performance of MPI-I/O with PVFS2: A Case Study of Optimization (Yuichi Tsujita, Julian Kunkel, Stephan Krempel, Thomas Ludwig), In Parallel Computing: From Multicores and GPU's to Petascale, pp. 379–386, IOS Press, PARCO 2009, ISBN: 978-1-60750-530-3, 2010
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2009

  • Tracing Internal Communication in MPI and MPI-I/O (Julian Kunkel, Yuichi Tsujita, Olga Mordvinova, Thomas Ludwig), In International Conference on Parallel and Distributed Computing, Applications and Technologies, PDCAT, pp. 280–286, IEEE Computer Society (Washington, DC, USA), PDCAT-09, Hiroshima University, Higashi Hiroshima, Japan, ISBN: 978-0-7695-3914-0, 2009-12-29
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  • USB Flash Drives as an Energy Efficiency Storage Alternative (Olga Mordvinova, Julian Kunkel, Christian Baun, Thomas Ludwig, Marcel Kunze), In Proceedings of the 10th IEEE/ACM International Conference on Grid Computing, pp. 175–182, IEEE Computer Society (Washington, DC, USA), GRID-09, IEEE/ACM, Banff, Alberta, Canada, ISBN: 978-1-4244-5148-7, 2009-10
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  • Using Non-blocking I/O Operations in High Performance Computing to Reduce Execution Times (David Buettner, Julian Kunkel, Thomas Ludwig), In Proceedings of the 16th European PVM/MPI Users' Group Meeting on Recent Advances in Parallel Virtual Machine and Message Passing Interface, pp. 134–142, Springer-Verlag (Berlin, Heidelberg), EuroPVM/MPI-09, CSC - IT, Espoo, Finland, ISBN: 978-3-642-03769-6, 2009
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  • Ecosystem based modeling and indication of ecological integrity in the German North Sea - Case study offshore wind parks (Benjamin Burkhard, Silvia Opitz, Hermann Lenhart, Kai Ahrendt, Stefan Garthe, Bettina Mendel, Wilhelm Windhorst), In Ecological Indicators, Series: 11-1, pp. 168–174, Elsevier B.V (Amsterdam, Netherlands), ISSN: 1470-160X, 2009
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  • A Strategy for Cost Efficient Distributed Data Storage for In-memory OLAP (Olga Mordvinova, Oleksandr Shepil, Thomas Ludwig, Andrew Ross), In Proceedings of the IADIS International Conference Applied Computing 2009 (1), pp. 109–117, IADIS Press (Algarve, Portugal), IADIS-09, International Association for Development of the Information Society, Rome, Italy, ISBN: 978-972-8924-97-3, 2009
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  • Small-file Access in Parallel File Systems (Philip Carns, Sam Lang, Robert Ross, Murali Vilayannur, Julian Kunkel, Thomas Ludwig), In IPDPS '09: Proceedings of the 2009 IEEE International Symposium on Parallel and Distributed Processing, pp. 1–11, IEEE Computer Society (Washington, DC, USA), IPDPS-09, University of Rome, Rome, Italy, ISBN: 978-1-4244-3751-1, 2009
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2008

  • Ecological risk as a tool for evaluating the effects of offshore wind farm construction in the North Sea (Corinna Nunneri, Hermann Lenhart, Benjamin Burkhard, Wilhelm Windhorst), In Regional Environmental Change, Series: 8-1, pp. 31–43, Springer (Berlin / Heidelberg, Germany), ISSN: 1436-3798, 2008-03
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  • Bottleneck Detection in Parallel File Systems with Trace-Based Performance Monitoring (Julian Kunkel, Thomas Ludwig), In Euro-Par '08: Proceedings of the 14th international Euro-Par conference on Parallel Processing, pp. 212–221, Springer-Verlag (Berlin, Heidelberg), Euro-Par-08, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain, ISBN: 978-3-540-85450-0, 2008
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  • Directory-Based Metadata Optimizations for Small Files in PVFS (Michael Kuhn, Julian Kunkel, Thomas Ludwig), In Euro-Par '08: Proceedings of the 14th international Euro-Par conference on Parallel Processing, pp. 90–99, Springer-Verlag (Berlin, Heidelberg), Euro-Par-08, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain, ISBN: 978-3-540-85450-0, 2008 – Awards: Best Paper
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  • The use of 'ecological risk' for assessing effects of human activities: an example including eutrophication and offshore wind farm construction in the North Sea (Corinna Nunneri, Hermann Lenhart, Benjamin Burkhard, Franciscus Colijn, Felix Müller, Wilhelm Windhorst), In Landscape online, Series: 5, ISSN: 1865-1542, 2008
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2007

  • Analysis of the MPI-IO Optimization Levels with the PIOViz Jumpshot Enhancement (Thomas Ludwig, Stephan Krempel, Michael Kuhn, Julian Kunkel, Christian Lohse), In Recent Advances in Parallel Virtual Machine and Message Passing Interface, Lecture Notes in Computer Science (4757), pp. 213–222, (Editors: Franck Cappello, Thomas Hérault, Jack Dongarra), Springer (Berlin / Heidelberg, Germany), EuroPVM/MPI-07, Institut national de recherche en informatique et automatique, Paris, France, ISBN: 978-3-540-75415-2, 2007
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  • Performance Evaluation of the PVFS2 Architecture (Julian Kunkel, Thomas Ludwig), In PDP '07: Proceedings of the 15th Euromicro International Conference on Parallel, Distributed and Network-Based Processing, pp. 509–516, IEEE Computer Society (Washington, DC, USA), PDP-07, Euromicro, Napoli, Italy, ISBN: 0-7695-2784-1, 2007
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  • Nutrient emission reduction scenarios in the North Sea: An abatement cost and ecosystem integrity analysis (Corinna Nunneri, Wilhelm Windhorst, R. Kerry Turner, Hermann Lenhart), In Ecological Indicators, Series: 7-4, pp. 776–792, Elsevier B.V (Amsterdam, Netherlands), ISSN: 1470-160X, 2007
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  • Smart Carpet: A Footstep Tracking Interface (Domnic Savio, Thomas Ludwig), In Proceedings of the 21st International Conference on Advanced Information Networking and Applications Workshops (2), pp. 754–760, IEEE Computer Society (Washington, DC, USA), AINAW-07, IEEE, Niagara Falls, Ontario, Canada, ISBN: 978-0-7695-2847-2, 2007
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2006

  • Tracing the MPI-IO Calls' Disk Accesses (Thomas Ludwig, Stephan Krempel, Julian Kunkel, Frank Panse, Dulip Withanage), In Recent Advances in Parallel Virtual Machine and Message Passing Interface, Lecture Notes in Computer Science (4192), pp. 322–330, (Editors: Bernd Mohr, Jesper Larsson Träff, Joachim Worringen, Jack Dongarra), Springer (Berlin / Heidelberg, Germany), EuroPVM/MPI-06, C&C Research Labs, NEC Europe Ltd., and the Research Centre Jülich, Bonn, Germany, ISBN: 3-540-39110-X, 2006
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2005

  • Defining a good ecological status of coastal waters - a case study for the Elbe plume (Wilhelm Windhorst, Franciscus Colijn, Saa Kabuta, Remi Laane, Hermann Lenhart), In Managing European Coasts (Jan Vermaat, Wim Salomons, Laurens Bouwer, Kerry Turner), pp. 59–74, Springer (Berlin / Heidelberg, Germany), ISBN: 978-3-540-23454-8, 2005
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  • Hint Controlled Distribution with Parallel File Systems (Hipolito Vasquez, Thomas Ludwig), In Recent Advances in Parallel Virtual Machine and Message Passing Interface (3666), pp. 110–118, Springer (Berlin / Heidelberg, Germany), EuroPVM/MPI-05, Sorrento, Italy, ISBN: 978-3-540-29009-4, 2005
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  • Catchment-coastal zone interaction based upon scenario and model analysis: Elbe and the German Bight case study (J. Hofmann, H. Behrendt, A. Gilbert, R. Jannssen, A. Kannen, Hermann Lenhart, W. Lise, Corinna Nunneri, Wilhelm Windhorst), In Regional Environmental Change, Series: 5 (2-3), Springer (Berlin / Heidelberg, Germany), ISSN: 1436-378X, 2005
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2004

  • A Fast Program for Phylogenetic Tree Inference with Maximum Likelihood (Alexandros P. Stamatakis, Thomas Ludwig, Harald Meier), In High Performance Computing in Science and Engineering, pp. 273–283, (Editors: Siegfried Wagner, Werner Hanke, Arndt Bode, Franz Durst), Springer (Berlin / Heidelberg, Germany), ISBN: 978-3-540-26657-0, 2004-05
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  • North Sea Hydrodynamic Modelling: A Review (Hermann Lenhart, Thomas Pohlmann), In Senckenbergiana maritima, Series: 34-(1/2), pp. 53–88, (Editors: Ingrid Kröncke, Michael Türkay, Jürgen Sündermann), 2004
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  • A Fast Program for Maximum Likelihood-based Inferrence of Large Phylogenetic Trees (Alexandros P. Stamatakis, Thomas Ludwig, Harald Meier), In Proceedings of the 2004 ACM symposium on Applied computing, pp. 197–201, ACM (New York, USA), SAC-04, University of Cyprus, Nicosia, Cyprus, ISBN: 1-58113-812-1, 2004
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  • Research Trends in High Performance Parallel Input/Output for Cluster Environments (Thomas Ludwig), In Proceedings of the 4th International Scientific and Practical Conference on Programming, pp. 274–281, UkrPROG-04, National Academy of Sciences of Ukraine, Kiev, Ukraine, 2004
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  • Helics - ein Rechner der Superklasse (Peter Bastian, Thomas Ludwig), In Ruperto Carola, Series: 3, pp. 4–7, Universitätsverlag C. Winter (Heidelberg), ISSN: 0035-998 X, 2004
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  • Parallel Inference of a 10.000-taxon Phylogeny with Maximum Likelihood (Alexandros P. Stamatakis, Thomas Ludwig, Harald Meier), In Euro-Par 2004 Parallel Processing, Lecture Notes in Computer Science (3149), pp. 997–1004, (Editors: Marco Danelutto, Marco Vanneschi, Domenico Laforenza), Springer (Berlin / Heidelberg, Germany), Euro-Par-04, University of Pisa and Institute of Information Science and Technologies (ISTI-CNR), Pisa, Italy, 2004
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  • Phylogenies with Statistical Methods: Problems & Solutions (Alexandros P. Stamatakis, Thomas Ludwig, Harald Meier), In Proceedings of 4th International Conference on Bioinformatics and Genome Regulation and Structure, pp. 229–233, BGRS-04, Novosibirsk, Russia, 2004
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  • New Fast and Accurate Heuristics for Inference of Large Phylogenetic Trees (Alexandros P. Stamatakis, Thomas Ludwig, Harald Meier), In Proceedings of 18th IEEE/ACM International Parallel and Distributed Processing Symposium, pp. 193, IEEE Computer Society (Washington, DC, USA), IPDPS-04, University of New Mexico, Santa Fe, New Mexico, ISBN: 0-7695-2132-0, 2004
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2003

  • Monitoring concepts for parallel systems: an evolution towards interoperable tool environments (Roland Wismüller, Thomas Ludwig, Wolfgang Karl, Arndt Bode), In On-line monitoring systems and computer tool interoperability (Thomas Ludwig, Barton Miller), pp. 1–21, Nova Science Publishers, Inc. (Commack, NY, USA), ISBN: 1-59033-888-X, 2003
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  • DAxML: A Program for Distributed Computation of Phylogenetic Trees Based on Load Managed CORBA (Alexandros Stamatakis, Markus Lindermeier, Michael Ott, Thomas Ludwig, Harald Meier), In Parallel Computing Technologies, Lecture Notes in Computer Science (2763), pp. 538–548, (Editors: Victor Malyshkin), Springer (Berlin / Heidelberg, Germany), PaCT-03, Nizhni Novgorod State University and Russian Academy of Sciences (Academgorodok, Novosibirsk), Nizhni Novgorod, Russia, 2003
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  • Phylogenetic tree inference on PC architectures with AxML/PAxML (Alexandros P. Stamatakis, Thomas Ludwig), In Proceedings of the International Parallel and Distributed Processing Symposium, pp. 8, IEEE Computer Society (Washington, DC, USA), IPDPS-03, University of Nice, Nice, France, ISBN: 0-7695-1926-1, 2003
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  • On-line monitoring systems and computer tool interoperability (Thomas Ludwig, Barton Miller), Nova Science Publishers, Inc. (Commack, NY, USA), ISBN: 1-59033-888-X, 2003
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2002

  • Adapting PAxML to the Hitachi SR8000-F1 Supercomputer (Alexandros Stamatakis, Thomas Ludwig, Harald Meier), In High Performance Computing in Science and Engineering (Siegfried Wagner, Werner Hanke, Arndt Bode, Franz Durst), pp. 453–466, Springer (Berlin / Heidelberg, Germany), 2002
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  • Accelerating Parallel Maximum Likelihood-based Phylogenetic Tree Calculations using Subtree Equality Vectors (Alexandros P. Stamatakis, Thomas Ludwig, Harald Meier, Marty J. Wolf), In Proceedings of the Supercomputing Conference 2002, pp. 40, IEEE Computer Society (Washington, DC, USA), sc-02, IEEE/ACM, Baltimore, Maryland, USA, ISBN: 0-7695-1524-X, 2002
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  • AxML: a fast program for sequential and parallel phylogenetic tree calculations based on the maximum likelihood method (Alexandros P. Stamatakis, Thomas Ludwig, Harald Meier, Marty J. Wolf), In Proceedings of 1. IEEE Bioinformatics Conference, pp. 21–28, IEEE Computer Society (Washington, DC, USA), CSB-02, Stanford University, Palo Alto, California, USA, ISBN: 0-7695-1653-X, 2002
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  • Efficiently Building On-Line Tools for Distributed Heterogeneous Environments (Günther Rackl, Thomas Ludwig, Markus Lindermeier, Alexandros Stamatakis), In Proceedings of the International Workshop on Performance-Oriented Application Development for Distributed Architectures, Scientific Programming (10-1), pp. 67–74, IOS Press (Amsterdam, The Netherlands), PADDA-01, Technical University Munich, Munich, Germany, ISSN: 1058-9244, 2002
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  • Efficiently building on-line tools for distributed heterogeneous environments (Günther Rackl, Thomas Ludwig, Markus Lindermeier, Alexandros Stamatakis), In Scientific Programming, Series: 10 (1), pp. 67–74, IOS Press (Amsterdam, The Netherlands), ISSN: 1058-9244, 2002
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  • Nährstoffe und Eutrophierung (Uwe Brockmann, Hermann Lenhart, Heinke Schlünzen, Dilek Topcu), In Warnsignale aus Nordsee und Wattenmeer - Eine aktuelle Umweltbilanz (Jose L. Lozan, Eike Rachor, Karsten Reise, Jürgen Sündermann, Hein Westernhagen), pp. 61–76, ISBN: 978-3000101663, 2002
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2001

  • EveMan - a Mobile Time and Space Organisation System for the Palm Computing Platform (Andreas Krause, Thomas Ludwig), In ITG-Fachbericht 168, VDE Verlag (Berlin, Germany), APC-01, Munich, Germany, 2001
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  • Tool Environments in CORBA-Based Medical High Performance Computing (Thomas Ludwig, Markus Lindermeier, Alexandros Stamatakis, Günther Rackl), In Parallel Computing Technologies, Lecture Notes in Computer Science (2127), pp. 447–455, (Editors: Victor Malyshkin), Springer (Berlin / Heidelberg, Germany), PaCT-01, Institute of Computational Mathematics and Mathematical Geophysics of the Russian Academy of Sciences (Novosibirsk), Novosibirsk, Russia, 2001
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  • A methodology for efficiently developing on-line tools for heterogeneous middleware (Thomas Ludwig, Günther Rackl), In Proceedings of the 34th Annual Hawaii International Conference on System Sciences, pp. 10, IEEE Computer Society (Washington, DC, USA), HICSS-34, University of Hawaii, Island of Maui, Hawaii, USA, ISBN: 0-7695-0981-9, 2001
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2000

  • Effects of river nutrient load reduction on the eutrophication of the North Sea, simulated with the ecosystem model ERSEM (Hermann Lenhart), In Senckenbergiana maritima, Series: 31-2, pp. 299–311, (Editors: Ingrid Kröncke, Michael Türkay, Jürgen Sündermann), 2000
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  • Performance assessment of parallel spectral analysis: Towards a practical performance model for parallel medical applications (Frank Munz, Thomas Ludwig, Sibylle Ziegler, Peter Bartenstein, Markus Schwaiger, Arndt Bode), In Future Generation Computer Systems, Series: 16 (5), pp. 553–562, Elsevier Science Publishers B. V. (Amsterdam, The Netherlands), ISSN: 0167-739X, 2000
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  • Effiziente Scheduling-Algorithmen für datenparallele Anwendungen der funktionellen medizinischen Bildgebung auf NOWs (Frank Munz, Thomas Ludwig, Arndt Bode, Sibylle Ziegler, Markus Schwaiger), In Bildverarbeitung für die Medizin, Informatik aktuell, pp. 403–407, (Editors: Alexander Horsch, Thomas Lehmann), Springer (Berlin / Heidelberg, Germany), BVM-00, Technical University Munich, Munich, Germany, ISBN: 3-540-67123-4, 2000
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  • Interoperable Run Time Tools for Distributed Systems - A Case Study (Roland Wismüller, Thomas Ludwig), In The Journal of Supercomputing, Series: 17-3, pp. 277–289, Springer (Berlin / Heidelberg, Germany), ISSN: 0920-8542, 2000
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  • CORBA-basierte verteilte Berechnung medizinischer Bilddaten mit SPM (Marcel May, Frank Munz, Thomas Ludwig), In Bildverarbeitung für die Medizin, Informatik aktuell, pp. 213–217, (Editors: Alexander Horsch, Thomas Lehmann), Springer (Berlin / Heidelberg, Germany), BVM-00, Technical University Munich, Munich, Germany, ISBN: 3-540-67123-4, 2000
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  • Airport simulation using CORBA and DIS (Günther Rackl, Filippo de Stefani, Francois Héran, Antonello Pasquarelli, Thomas Ludwig), In Future Generation Computer Systems, Series: 16 (5), pp. 465–472, Elsevier Science Publishers B. V. (Amsterdam, The Netherlands), ISSN: 0167-739X, 2000
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  • Interoperability Support in Distributed On-Line Monitoring Systems (Jörg Trinitis, Vaidy Sunderam, Thomas Ludwig, Roland Wismüller), In Proceedings of High Performance Computing and Networking - 8th International Conference, Lecture Notes in Computer Science (1823), pp. 261–269, (Editors: Marian Bubak, Hamideh Afsarmanesh, Bob Hertzberger, Roy Williams), Springer (Berlin / Heidelberg, Germany), HPCN-00, University of Amsterdam, Amsterdam, The Netherlands, 2000
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1999

  • Kinetic analysis of functional images: The case for a practical approach to performance prediction (Frank Munz, Thomas Ludwig, Sibylle Ziegler, Peter Bartenstein, Markus Schwaiger, Arndt Bode), In High Performance Computing, Lecture Notes in Computer Science (1615), pp. 169–180, (Editors: Constantine Polychronopoulos, Kazuki Fukuda, Shinji Tomita), Springer (Berlin / Heidelberg, Germany), ISHPC-99, Kyoto, Japan, 1999
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  • Towards Monitoring in Parallel and Distributed Environments (Ivan Zoraja, Günther Rackl, Thomas Ludwig), In Proceedings of the International Conference on Software in Telecommunications and Computer Networks, pp. 133–141, SoftCom-99, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, FESB Split, Trieste, Venice, Italy, 1999
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  • Synergetic Tool Environments (Thomas Ludwig, Jörg Trinitis, Roland Wismüller), In Parallel Computing Technologies, Lecture Notes in Computer Science (1662), pp. 754–754, (Editors: Victor Malyshkin), Springer (Berlin / Heidelberg, Germany), PaCT-99, Institute of Computational Mathematics and Mathematical Geophysics of the Russian Academy of Sciences (Novosibirsk) and the Electrotechnical University of St.Petersburg, St. Petersburg, Russia, 1999
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1997

  • The effects of river input on the ecosystem dynamics in the continental coastal zone of the North Sea using ERSEM (Hermann Lenhart, Günther Radach, Piet Ruardij), In Journal of Sea Research, Series: 38 (3-4), pp. 249–274, Elsevier B.V (Amsterdam, Netherlands), ISSN: 1385-1101, 1997
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  • The ICES-boxes approach in relation to results of a North Sea circulation model (Hermann Lenhart, Thomas Pohlmann), In Tellus, Series: 49 A, pp. 139–160, Blackwell (Oxford, United Kingdom), ISSN: 0280-6495, 1997
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1996

  • Influence of variability in water transport on phytoplankton biomass and composition in the southern North Sea: a modelling approach (FYFY) (A. J. Van Den Berg, H. Ridderinkhof, R. Riegman, P. Ruardij, Hermann Lenhart), In Continental Shelf Research, Series: 16-7, pp. 907–917, Elsevier B.V (Amsterdam, Netherlands), ISSN: 0278-4343, 1996
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1995

  • Simulations of the North Sea circulation, its variability, and its implementation as hydrodynamical forcing in ERSEM (Hermann Lenhart, Günther Radach, Jan O. Backhaus, Thomas Pohlmann), In Netherlands Journal of Sea Research, Series: 33 (3-4), pp. 271–299, Elsevier B.V (Amsterdam, Netherlands), ISSN: 0077-7579, 1995
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  • Nutrient dynamics in the North Sea: Fluxes and budgets in the water column derived from ERSEM (Günther Radach, Hermann Lenhart), In Netherlands Journal of Sea Research, Series: 33 (3-4), Elsevier B.V (Amsterdam, Netherlands), ISSN: 0077-7579, 1995
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1990

  • Nährstoffe in der Nordsee - Eutrophierung, Hypertrophierung und deren Auswirkungen (G. Radach, W. Schönfeld, Hermann Lenhart), In Warnsignale aus der Nordsee (José .L. Lozan, Walter Lenz, Eike Rachor, Burkard Watermann, Heinz v. Westernhagen), pp. 48–65, Paul Parey Verlagsbuchhandlung (Hamburg / Berlin), 1990
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research/publications.txt · Last modified: 2018-01-24 17:13 (external edit)