Wolfgang E. Nagel - researchr alias

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2011

The International Exascale Software Project roadmapJack Dongarra, Peter H. Beckman, Terry Moore, Patrick Aerts, Giovanni Aloisio, Jean-Claude Andre, David Barkai, Jean-Yves Berthou, Taisuke Boku, Bertrand Braunschweig, Franck Cappello, Barbara M. Chapman, Xuebin Chi, Alok N. Choudhary, Sudip S. Dosanjh, Thom H. Dunning, Sandro Fiore, Al Geist, Bill Gropp, Robert J. Harrison, Mark Hereld, Michael A. Heroux, Adolfy Hoisie, Koh Hotta, Zhong Jin, Yutaka Ishikawa, Fred Johnson, Sanjay Kale, Richard Kenway, David E. Keyes, Bill Kramer, Jesús Labarta, Alain Lichnewsky, Thomas Lippert, Bob Lucas, Barney Maccabe, Satoshi Matsuoka, Paul Messina, Peter Michielse, Bernd Mohr, Matthias S. Müller, Wolfgang E. Nagel, Hiroshi Nakashima, Michael E. Papka, Daniel A. Reed, Mitsuhisa Sato, Edward Seidel, John Shalf, David Skinner, Marc Snir, Thomas L. Sterling, Rick Stevens, Fred Streitz, Bob Sugar, Shinji Sumimoto, William Tang, John Taylor, Rajeev Thakur, Anne E. Trefethen, Mateo Valero, Aad van der Steen, Jeffrey S. Vetter, Peg Williams, Robert Wisniewski, Katherine A. Yelick. ijhpca, 25(1):3-60, 2011. [doi]

Linux Cluster in Theory and Practice: A Novel Approach in Teaching Cluster Computing Based on the Intel Atom PlatformAndy Georgi, Stefan Hohlig, Robin Geyer, Wolfgang E. Nagel. procedia, 4:1917-1926, 2011. [doi]

Coarse Grained Parallelized Scientific Applications on a Cost Efficient Intel Atom Based ClusterRobin Geyer, Andy Georgi, Wolfgang E. Nagel. procedia, 4:1977-1986, 2011. [doi]

2010

Efficient Pattern Based I/O Analysis of Parallel ProgramsMichael Kluge, Andreas Knüpfer, Wolfgang E. Nagel. icppw 2010: 144-153 [doi]

PrefaceWolfgang E. Nagel. concurrency, 22(2):143-144, 2010. [doi]

PrefaceWolfgang E. Nagel, Matthias S. Müller. concurrency, 22(16):2195, 2010. [doi]

2009

Comparing cache architectures and coherency protocols on x86-64 multicore SMP systemsDaniel Hackenberg, Daniel Molka, Wolfgang E. Nagel. micro 2009: 413-422 [doi]

Pattern Matching and I/O Replay for POSIX I/O in Parallel ProgramsMichael Kluge, Andreas KnÃ¼pfer, Matthias S. MÃ¼ller, Wolfgang E. Nagel. europar 2009: 45-56 [doi]

Performance at ExascaleBernd Mohr, Matthias S. MÃ¼ller, Wolfgang E. Nagel. ijhpca, 23(4):355-356, 2009. [doi]

2008

Internal Timer Synchronization for Parallel Event TracingJens Doleschal, Andreas Knüpfer, Matthias S. Müller, Wolfgang E. Nagel. pvm 2008: 202-209 [doi]

Improved Performance for Nodal Spectral Element OperatorsUwe Fladrich, JÃ¶rg Stiller, Wolfgang E. Nagel. ijhpca, 22(4):450-459, 2008. [doi]

Event Tracing and Visualization for Cell Broadband Engine SystemsDaniel Hackenberg, Holger Brunst, Wolfgang E. Nagel. europar 2008: 172-181 [doi]

Trace-Based Analysis and Optimization for the Semtex CFD Application - Hidden Remote Memory Accesses and I/O PerformanceHolger Mickler, Andreas Knüpfer, Michael Kluge, Matthias S. Müller, Wolfgang E. Nagel. europar 2009: 295-304 [doi]

9th Workshop on Parallel Systems and Algorithms (PASA) held at the 21st Conference on the Architecture of Computing Systems (ARCS), February 26th, 2008, in Dresden, GermanyWolfgang E. Nagel, Rolf Hoffmann, Andreas Koch, editors, Volume 124 of LNI, GI, 2008.

2007

Analyzing Mutual Influences of High Performance Computing Programs on SGI Altix 3700 and 4700 Systems with PARbenchRick Janda, Matthias S. Müller, Wolfgang E. Nagel, Bernd Trenkler. parco 2008: 373-380

Memory Allocation Tracing with VampirTraceMatthias Jurenz, Ronny Brendel, Andreas Knüpfer, Matthias S. Müller, Wolfgang E. Nagel. iccS 2007: 839-846 [doi]

Analysis of Linux Scheduling with VAMPIRMichael Kluge, Wolfgang E. Nagel. iccS 2007: 823-830 [doi]

Developing Scalable Applications with Vampir, VampirServer and VampirTraceMatthias S. Müller, Andreas Knüpfer, Matthias Jurenz, Matthias Lieber, Holger Brunst, Hartmut Mix, Wolfgang E. Nagel. parco 2008: 637-644

Topic 2 Performance Prediction and EvaluationWolfgang E. Nagel, Bruno Gaujal, Tugrul Dayar, Nihal Pekergin. europar 2007: 83 [doi]

Computational Steering and Online Visualization of Scientific Applications on Large-Scale HPC Systems within e-Science InfrastructuresMorris Riedel, Thomas Eickermann, Sonja Habbinga, Wolfgang Frings, Paul Gibbon, Daniel Mallmann, Achim Streit, Thomas Lippert, Felix Wolf, Wolfram Schiffmann, Andreas Ernst, Rainer Spurzem, Wolfgang E. Nagel. eScience 2007: 483-490 [doi]

Analyzing Cache Bandwidth on the Intel Core 2 ArchitectureRobert Schöne, Wolfgang E. Nagel, Stefan Pflüger. parco 2008: 365-372

2006

Automatic Performance Analysis, 12.-16. December 2005Michael Gerndt, Allen D. Malony, Barton P. Miller, Wolfgang E. Nagel, editors, Volume 05501 of Dagstuhl Seminar Proceedings, Internationales Begegnungs- und Forschungszentrum für Informatik (IBFI), Schloss Dagstuhl, Germany, 2006.

Optimizing OpenMP Parallelized DGEMM Calls on SGI Altix 3700Daniel Hackenberg, Robert Schöne, Wolfgang E. Nagel, Stefan Pflüger. europar 2006: 145-154 [doi]

Analyzing the Interaction of OpenMP Programs Within Multiprogramming Environments on a Sun Fire E25K System with PARbenchRick Janda, Wolfgang E. Nagel, Bernd Trenkler. europar 2006: 89-98 [doi]

Introducing the Open Trace Format (OTF)Andreas Knüpfer, Ronny Brendel, Holger Brunst, Hartmut Mix, Wolfgang E. Nagel. iccS 2006: 526-533 [doi]

Visualization of Repetitive Patterns in Event TracesAndreas Knüpfer, Bernhard Voigt, Wolfgang E. Nagel, Hartmut Mix. para 2007: 430-439 [doi]

M09 - Program analysis tools for massively parallel applications: how to achieve highest performanceAndreas Knüpfer, Dieter Kranzlmüller, Bernd Mohr, Wolfgang E. Nagel. sc 2006: 223 [doi]

Compressible memory data structures for event-based trace analysisAndreas Knüpfer, Wolfgang E. Nagel. fgcs, 22(3):359-368, 2006. [doi]

Open trace - The open trace format (OTF) and open tracing for HPCAllen D. Malony, Wolfgang E. Nagel. sc 2006: 24 [doi]

Euro-Par 2006, Parallel Processing, 12th International Euro-Par Conference, Dresden, Germany, August 28 - September 1, 2006, ProceedingsWolfgang E. Nagel, Wolfgang V. Walter, Wolfgang Lehner, editors, Volume 4128 of Lecture Notes in Computer Science, Springer, 2006.

2005

Tracing the Cache Behaviour of Data Structures in Fortran ApplicationsL. Barabas, Ralph Müller-Pfefferkorn, Wolfgang E. Nagel, Reinhard Neumann. parco 2005: 211-218

Monitoring cache behavior on parallel SMP architectures and related programming toolsThomas Brandes, Helmut Schwamborn, Michael Gerndt, Jürgen Jeitner, Edmond Kereku, Martin Schulz, Holger Brunst, Wolfgang E. Nagel, Reinhard Neumann, Ralph Müller-Pfefferkorn, Bernd Trenkler, Wolfgang Karl, Jie Tao, Hans-Christian Hoppe. fgcs, 21(8):1298-1311, 2005. [doi]

Scheduling issues on IBM p690: Performance Analysis with the PARbench EnvironmentH. Dietze, Wolfgang E. Nagel, Bernd Trenkler. parco 2005: 717-724

05501 Summary - Automatic Performance AnalysisMichael Gerndt, Allen D. Malony, Barton P. Miller, Wolfgang E. Nagel. dagstuhl 2006: [doi]

05501 Abstracts Collection - Automatic Performance AnalysisMichael Gerndt, Allen D. Malony, Barton P. Miller, Wolfgang E. Nagel. dagstuhl 2006: [doi]

Parallel Computing: Current & Future Issues of High-End Computing, Proceedings of the International Conference ParCo 2005, 13-16 September 2005, Department of Computer Architecture, University of Malaga, SpainGerhard R. Joubert, Wolfgang E. Nagel, Frans J. Peters, Oscar G. Plata, P. Tirado, Emilio L. Zapata, editors, Volume 33 of John von Neumann Institute for Computing Series, Central Institute for Applied Mathematics, Jülich, Germany, 2005.

Knowledge Based Automatic Scalability Analysis and Extrapolation for MPI ProgramsMichael Kluge, Andreas Knüpfer, Wolfgang E. Nagel. europar 2005: 176-184 [doi]

Statistical Methods for Automatic Performance Bottleneck Detection in MPI Based ProgramsMichael Kluge, Andreas Knüpfer, Wolfgang E. Nagel. iccS 2005: 330-337 [doi]

High Performance Event Trace VisualizationAndreas Knüpfer, Holger Brunst, Wolfgang E. Nagel. pdp 2005: 258-263 [doi]

Construction and Compression of Complete Call Graphs for Post-Mortem Program Trace AnalysisAndreas Knüpfer, Wolfgang E. Nagel. icpp 2005: 165-172 [doi]

New Algorithms for Performance Trace Analysis Based on Compressed Complete Call GraphsAndreas Knüpfer, Wolfgang E. Nagel. iccS 2005: 116-123 [doi]

Performance Comparison and Optimization: Case Studies using BenchITRobert Schöne, Guido Juckeland, Wolfgang E. Nagel, Stefan Pflüger, R. Wloch. parco 2005: 877-884

2004

Tools for Scalable Parallel Program Analysis - Vampir VNG and DeWizHolger Brunst, Dieter Kranzlmüller, Wolfgang E. Nagel. dapsys 2004: 93-102

Grid-ComputingFrançois Bry, Wolfgang E. Nagel, Michael Schroeder. insk, 27(6):542-545, 2004. [doi]

Parallel Computing: Software Technology, Algorithms, Architectures and Applications, PARCO 2003, Dresden, GermanyGerhard R. Joubert, Wolfgang E. Nagel, Frans J. Peters, Wolfgang V. Walter, editors, Volume 13 of Advances in Parallel Computing, Elsevier, 2004.

Performance Analysis with BenchIT: Portable, Flexible, Easy to UseGuido Juckeland, Michael Kluge, Wolfgang E. Nagel, Stefan Pflüger. qest 2004: 320-321 [doi]

Detection of Collective MPI Operation PatternsAndreas Knüpfer, Dieter Kranzlmüller, Wolfgang E. Nagel. pvm 2004: 259-267 [doi]

Pattern Matching of Collective MPI OperationsDieter Kranzlmüller, Andreas Knüpfer, Wolfgang E. Nagel. pdpta 2004: 1243-1249

Optimizing Cache Access: A Tool for Source-to-Source Transformations and Real-Life Compiler TestsRalph Müller-Pfefferkorn, Wolfgang E. Nagel, Bernd Trenkler. europar 2004: 72-81 [doi]

Topic 2: Performance EvaluationWolfgang E. Nagel, Thomas Ludwig 0002, Jeffrey S. Vetter, Lorenzo Donatiello. europar 2004: 117-118 [doi]

A Parallel PSPG Finite Element Method for Direct Simulation of Incompressible FlowJörg Stiller, Karel Frana, Roger Grundmann, Uwe Fladrich, Wolfgang E. Nagel. europar 2004: 726-733 [doi]

2003

2002

VGV: Supporting Performance Analysis of Object-Oriented Mixed MPI/OpenMP Parallel ApplicationsSeon Wook Kim, Michael Voss, Bob Kuhn, Hans-Christian Hoppe, Wolfgang E. Nagel. ipps 2002: [doi]

2001

2000

Performance Tuning on Parallel Systems: All Problems Solved?Holger Brunst, Wolfgang E. Nagel, Stephan Seidl. para 2001: 279-287 [doi]

Performance Evaluation and PredictionThomas Fahringer, Wolfgang E. Nagel. europar 2000: 105-107 [doi]

An Efficient Parallel Linear Solver with a Cascadic Conjugate Gradient Method: Experience with RealityPeter Gottschling, Wolfgang E. Nagel. europar 2000: 784-794 [doi]

1999

A New Approach for Parallel Multigrid AdaptionJörg Stiller, Krzysztof Boryczko, Wolfgang E. Nagel. ppsc 1999:

1997

Metacomputing in a Regional ATM-Testbed - Experience with RealityJörg Henrichs, M. Weber, Wolfgang E. Nagel, Roland Völpel, Helmut Grund. parco 1997: 455-458

1995

Effektive Nutzung von Parallelrechnern in RechenzentrumsumgebungenWolfgang E. Nagel. kivs 1995: 189-200

1991

Parallel programs and background load: efficiency studies with the PAR-Bench systemWolfgang E. Nagel, Markus A. Linn. ics 1991: 365-375 [doi]

Benchmarking parallel programs in a multiprogramming environment: the PAR-Bench systemWolfgang E. Nagel, Markus A. Linn. pc, 17(10-11):1303-1321, 1991.

1990

Parallelizing QCD with dynamical fermions on a Cray multiprocessor systemS. Knecht, E. Laermann, Wolfgang E. Nagel. pc, 15(1-3):3-20, 1990.

Prinzipien der Parallelverarbeitung auf Rechnern mit gemeinsamem SpeicherWolfgang E. Nagel. gi 1990: 403-417

Exploiting autotasking on a CRAY Y-MP: an improved software interface to multitaskingWolfgang E. Nagel. pc, 13(2):225-233, 1990.

1989

Multitasking: experience with applications on a CRAY X-MPFriedel Hossfeld, Renate Knecht, Wolfgang E. Nagel. pc, 12(3):259-283, 1989.

A comparison of parallel processing on Cray X-MP AND IBM 3090 VF multiprocessorsFerenc Szelényi, Wolfgang E. Nagel. ics 1989: 271-282 [doi]

1988

Using multiple CPUs for problem solving: experiences in multitasking on the CRAY X-MP/48Wolfgang E. Nagel. pc, 8(1-3):223-230, 1988.

Three-dimensional numerical simulations of the czochralski bulk flow on a CRAY X-MP multiprocessor architectureWolfgang E. Nagel, Kurt Wingerath. ics 1988: 266-272 [doi]