TU Wien Informatics

About

Parallel Computing deals with the efficient utilization of parallel processing resources for the solution of computational problems. This sounds dry, but since all modern, general purpose computing devices are in some way or the other parallel computers, parallel compting is ubiquitous and inevitable.

Since not all computational problems are easily amenable to being solved in parallel, it is fascinating and challenging, and abounds with issues and problems that must be resolved better. Parallel Computing at TU Wien focuses on efficient utilization and modeling of real, existing architectures and systems (shared-memory multi-cores, distributed memory systems, hybrid and accelerated systems), on algorithms, interfaces, libraries and, to some extent, applications; and with idealized models of parallel computuations to explore the limits of parallelization.

The research area has specific expertise and interest in message-passing parallel computing, interfaces like MPI, benchmarking of parallel algorithms, scheduling, shared-memory algorithms and data structures, and parallel algorithms. All these topics are dealt with extensively in lectures offered by the research division.

Parallel Computing is part of the faculty’s Institute of Computer Engineering.

Sascha Hunold
Sascha Hunold S. Hunold

Assistant Professor
Asst.Prof. Dipl.-Inf. Dr.

Jesper Larsson Träff
Jesper Larsson Träff J. Träff

Head of Research Unit
Univ.Prof. Dr. /MSc PhD

2019

2018

2017

2016

2015

2014

  • Euro-Par 2014: Parallel Processing Workshops - Euro-Par 2014 International Workshops, Revised Selected Papers, Part II, LNCS 8806 / L. Lopes, J. Zilinskas, A. Costan, R. Cascella, G. Kecskemeti, E. Jeannot, M. Cannataro, L. Ricci, S. Benkner, S. Petit, V. Scarano, J. Gracia, S. Hunold, S. Scott, S. Lankes, C. Lengauer, J. Carretero, J. Breitbart, M. Alexander / Springer, 2014, ISBN: 978-3-319-14312-5; 590 pages
  • Euro-Par 2014: Parallel Processing Workshops - Euro-Par 2014 International Workshops, Revised Selected Papers, Part I, LNCS 8805 / L. Lopes, J. Zilinskas, A. Costan, R. Cascella, G. Kecskemeti, E. Jeannot, M. Cannataro, L. Ricci, S. Benkner, S. Petit, V. Scarano, J. Gracia, S. Hunold, S. Scott, S. Lankes, C. Lengauer, J. Carretero, J. Breitbart, M. Alexander / Springer, 2014, ISBN: 978-3-319-14324-8; 620 pages
  • Perfectly Load-Balanced, Stable, Synchronization-Free Parallel Merge / C. Siebert, J. Träff / Parallel Processing Letters, Volume 24 (2014), Issue 1; 1 - 11
  • Preface: Selected Papers from EuroMPI 2012 / J. Träff, S. Benkner / Computing, Volume 96, Special Issue on EuroMPI 2012 (2014), Issue 4; 259 - 261
  • Data Structures for Task-based Priority Scheduling / M. Wimmer, F. Versaci, J. Träff, D. Cederman, P. Tsigas / Poster: 19th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, PPoPP 2014, Orlando, Florida, USA; 2014-02-15 - 2014-02-19; in: "Proceedings of the 19th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, PPoPP 2014", ACM, New York, NY, USA (2014), ISBN: 978-1-4503-2656-8; 379 - 380
  • Towards Efficient Power Management in MapReduce: Investigation of CPU-Frequencies Scaling on Power Efficiency in Hadoop / S. Ibrahim, D. Moise, H. Chihoub, A. Carpen-Amarie, L. Bougé, G. Antoniu / Talk: 1st International Workshop on Adaptive Resource Management and Scheduling for Cloud Computing, ARMS-CC 2014 held in conjunction with ACM Symposium on Principles of Distributed Computing, PODC 2014, Paris, France; 2014-07-15; in: "Adaptive Resource Management and Scheduling for Cloud Computing, 1st International Workshop, ARMS-CC 2014 held in conjunction with ACM Symposium on Principles of Distributed Computing, PODC 2014, Revised Selected Papers, LNCS 8907", F. Pop, M. Potop-Butucaru (ed.); Springer International Publishing, LNCS 8907 (2014), ISBN: 978-3-319-13463-5; 147 - 164
  • Stepping Stones to Reproducible Research: A Study of Current Practices in Parallel Computing / A. Carpen-Amarie, A. Rougier, F. Lübbe / Talk: 1st International Workshop on Reproducibility in Parallel Computing (REPPAR 2014) in conjunction with Euro-Par 2014, Porto Portugal; 2014-08-25 - 2014-08-29; in: "Euro-Par 2014: Parallel Processing Workshops - Euro-Par 2014 International Workshops, Revised Selected Papers, Part I, LNCS 8805", L. Lopes, J. Zilinskas, A. Costan, R. Cascella, G. Kecskemeti, E. Jeannot, M. Cannataro, L. Ricci, S. Benkner, S. Petit, V. Scarano, J. Gracia, S. Hunold, S. Scott, S. Lankes, C. Lengauer, J. Carretero, J. Breitbart, M. Alexander (ed.); Springer International Publishing, LNCS 8805 (2014), ISBN: 978-3-319-14324-8; 499 - 510
  • Reproducible MPI Micro-Benchmarking Isn´t As Easy As You Think (Best Paper Award) / S. Hunold, A. Carpen-Amarie, J. Träff / Talk: 21st European MPI Users' Group Meeting, EuroMPI/ASIA 2014, Kyoto, Japan; 2014-09-09 - 2014-09-12; in: "Proceedings of the 21st European MPI Users' Group Meeting", J. Dongarra, Y. Ishikawa, A. Hori (ed.); ACM, New York, NY, USA (2014), ISBN: 978-1-4503-2875-3; 69 - 76
  • Optimal MPI Datatype Normalization for Vector and Index-block Types / J. Träff / Talk: 21st European MPI Users' Group Meeting, EuroMPI/ASIA 2014, Kyoto, Japan; 2014-09-09 - 2014-09-12; in: "Proceedings of the 21st European MPI Users' Group Meeting", J. Dongarra, Y. Ishikawa, A. Hori (ed.); ACM, New York, NY, USA (2014), ISBN: 978-1-4503-2875-3; 33 - 38
  • Zero-copy, Hierarchical Gather is not possible with MPI Datatypes and Collectives / J. Träff, A. Rougier / Talk: 21st European MPI Users' Group Meeting, EuroMPI/ASIA 2014, Kyoto, Japan; 2014-09-09 - 2014-09-12; in: "Proceedings of the 21st European MPI Users' Group Meeting", J. Dongarra, Y. Ishikawa, A. Hori (ed.); ACM, New York, NY, USA (2014), ISBN: 978-1-4503-2875-3; 39 - 44
  • MPI Collectives and Datatypes for Hierarchical All-to-all Communication / J. Träff, A. Rougier / Talk: 21st European MPI Users' Group Meeting, EuroMPI/ASIA 2014, Kyoto, Japan; 2014-09-09 - 2014-09-12; in: "Proceedings of the 21st European MPI Users' Group Meeting", J. Dongarra, Y. Ishikawa, A. Hori (ed.); ACM, New York, NY, USA (2014), ISBN: 978-1-4503-2875-3; 27 - 32
  • Scheduling Moldable Tasks with Precedence Constraints and Arbitrary Speedup Functions on Multiprocessors / S. Hunold / Talk: Workshop on Scheduling for Parallel Computing (SPC 2013) in conjunction with the 10th International Conference on Parallel Processing and Applied Mathematics, PPAM 2013, Warsaw, Poland; 2013-09-08 - 2013-09-11; in: "Parallel Processing and Applied Mathematics, 10th International Conference, PPAM 2013, Revised Selected Papers, Part II", R. Wyrzykowski, J. Dongarra, K. Karczewski, J. Wasniewski (ed.); Springer, LNCS 8385 (2014), ISBN: 978-3-642-55194-9; 13 - 25
  • Implementing a Classic: Zero-copy All-to-all Communication with MPI Datatypes / J. Träff, A. Rougier, S. Hunold / Talk: 28th ACM International Conference on Supercomputing, ICS 2014, Munich, Germany; 2014-06-10 - 2014-06-13; in: "Proceedings of the 28th ACM International Conference on Supercomputing, ICS 2014", M. Gerndt, P. Stenström, L. Rauchwerger, B. Miller, M. Schulz (ed.); ACM, (2014), ISBN: 978-1-4503-2642-1; 135 - 144

2013

  • Fair scheduling of bag-of-tasks applications using distributed Lagrangian optimization / R. Bertin, S. Hunold, A. Legrand, C. Touati / Journal of Parallel and Distributed Computing, Available online 23 August 2013 (2013), 1 - 16
  • Work-stealing with Configurable Scheduling Strategies / M. Wimmer, D. Cederman, J. Träff, P. Tsigas / Poster: ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, PPoPP 2013, Shenzhen, China; 2013-02-23 - 2013-02-27; in: "Proceedings of the 2013 ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, PPoPP 2013", ACM, (2013), ISBN: 978-1-4503-1922-5; 315 - 316
  • OutFlank Routing: Increasing Throughput in Toroidal Interconnection Networks / F. Versaci / Talk: 19th IEEE International Conference on Parallel and Distributed Systems, ICPADS 2013, Seoul, Korea; 2013-12-15 - 2013-12-18; in: "Proceedings of the 19th IEEE International Conference on Parallel and Distributed Systems, ICPADS 2013", IEEE Computer Society, (2013), ISBN: 978-1-4799-2081-5; 216 - 223
  • BDDT: Block-Level Dynamic Dependence Analysis for Task-Based Parallelism / G. Tzenakis, A. Papatriantafyllou, H. Vandierendonck, P. Pratikakis, D. Nikolopoulos / Talk: 10th International Symposium on Advanced Parallel Processing Technologies, APPT 2013, Stockholm, Sweden; 2013-08-27 - 2013-08-28; in: "Advanced Parallel Processing Technologies, 10th International Symposium, APPT 2013, Revised Selected Papers", C. Wu, A. Cohen (ed.); Springer, LNCS 8299 (2013), ISBN: 978-3-642-45292-5; 17 - 31
  • The Pheet Task-Scheduling Framework on the Intel(R) Xeon Phi(TM)Coprocessor and other Multicore Architectures / M. Wimmer, M. Pöter, J. Träff / Talk: Workshop on Multithreaded Architectures and Applications (MTAAP 2013) in conjunction with IPDPS 2013, Boston, Massachusetts, USA; 2013-05-20 - 2013-05-24; in: "Proceedings of the 2013 IEEE 27th International Symposium on Parallel and Distributed Processing Workshops and PhD Forum", IEEE Computer Society, (2013), ISBN: 978-0-7695-4979-8; 1587 - 1596
  • Wait-free Hyperobjects for Task-parallel Programming Systems / M. Wimmer / Talk: IEEE 27th International Symposium on Parallel and Distributed Processing (IPDPS 2013), Boston, Massachusetts, USA; 2013-05-20 - 2013-05-24; in: "Proceedings of the IEEE 27th International Symposium on Parallel and Distributed Processing (IPDPS 2013)", IEEE Computer Society, (2013), ISBN: 978-1-4673-6066-1; 803 - 812

2012

2011

 

  • Jesper Larsson Träff: Innovation Radar: Innovation Title: PGAS-based MPI with interoperability; Innovation Category: Exploration; FP 7 project EPiGRAM / Project / 2018
  • Jesper Larsson Träff: Best Paper Award: "Reproducible MPI Micro-Benchmarking Isn't As Easy As You Think", S. Hunold, A. Carpen-Amarie, J. Träff, 21st European MPI Users' Group Meeting, EuroMPI/ASIA 2014, Kyoto, Japan, September 9-12, 2014 / Program Chairs of EuroMPI/ASIA 2014 / Japan / 2014
  • Sascha Hunold: Best Paper Award: "Reproducible MPI Micro-Benchmarking Isn't As Easy As You Think", S. Hunold, A. Carpen-Amarie, J. Träff, 21st European MPI Users' Group Meeting, EuroMPI/ASIA 2014, Kyoto, Japan, September 9-12, 2014 / Program Chairs of EuroMPI/ASIA 2014 / Japan / 2014

Soon, this page will include additional information such as reference projects, conferences, events, and other research activities.

Until then, please visit Parallel Computing’s research profile in TISS .