3 Search Results for "Nagel, Wolfgang E."

Document
DOI: 10.4230/DagMan.4.1.28
Co-Design of Systems and Applications for Exascale (Dagstuhl Perspectives Workshop 12212)

Authors: Arndt Bode, Adolfy Hoisie, Dieter Kranzlmüller, Wolfgang E. Nagel, and Christian Straube

Published in: Dagstuhl Manifestos, Volume 4, Issue 1 (2014)

Abstract
The Dagstuhl Perspectives Workshop 12212 on "Co-Design of Systems and Applications for Exascale" is reaching into the future, where exascale systems with their capabilities provide new possibilities and challenges. The goal of the workshop has been to identify concrete barriers and obstacles, and to discuss ideas on how to overcome them. It is a common agreement that co-design across all layers, algorithms, applications, programming models, run-time systems, architectures, and infrastructures, will be required. The discussion between the experts identified a series of requirements on exascale co-design efforts, as well as concrete recommendations and open questions for future research.
Cite as

Arndt Bode, Adolfy Hoisie, Dieter Kranzlmüller, Wolfgang E. Nagel, and Christian Straube. Co-Design of Systems and Applications for Exascale (Dagstuhl Perspectives Workshop 12212). In Dagstuhl Manifestos, Volume 4, Issue 1, pp. 28-39, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2015)

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@Article{bode_et_al:DagMan.4.1.28,
  author =	{Bode, Arndt and Hoisie, Adolfy and Kranzlm\"{u}ller, Dieter and Nagel, Wolfgang E. and Straube, Christian},
  title =	{{Co-Design of Systems and Applications for Exascale (Dagstuhl Perspectives Workshop 12212)}},
  pages =	{28--39},
  journal =	{Dagstuhl Manifestos},
  ISSN =	{2193-2433},
  year =	{2015},
  volume =	{4},
  number =	{1},
  editor =	{Bode, Arndt and Hoisie, Adolfy and Kranzlm\"{u}ller, Dieter and Nagel, Wolfgang E. and Straube, Christian},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagMan.4.1.28},
  URN =		{urn:nbn:de:0030-drops-49663},
  doi =		{10.4230/DagMan.4.1.28},
  annote =	{Keywords: Exascale, Co-Deisgn, Scalability, Power Efficiency, Reliability}
}
Document
DOI: 10.4230/DagRep.2.5.71
Co-Design of Systems and Applications for Exascale (Dagstuhl Perspectives Worksop 12212)

Authors: Arndt Bode, Adolfy Hoisie, Dieter Kranzlmüller, and Wolfgang E. Nagel

Published in: Dagstuhl Reports, Volume 2, Issue 5 (2012)

Abstract
With more and more machines achieving petascale capabilities, the focus is shifting towards the next big barrier, exascale computing and its possibilities and challenges. There is a common agreement that using machines on this level will definitively require co-design of systems and applications, and corresponding actions on different levels of software, hardware, and the infrastructure. Defining the vision of exascale computing for the community as providing capabilities on levels of performance at extreme scales, and identifying the role and mission of the involved experts from computer science has laid the basis for further discussions. By reflecting on the current state of petascale machines and technologies and identifying known bottlenecks and pitfalls looming ahead, this workshop derived the concrete barriers on the road towards exascale and presented some ideas on how to overcome them, as well as raising open issues to be addressed in future leading-edge research on this topic.
Cite as

Arndt Bode, Adolfy Hoisie, Dieter Kranzlmüller, and Wolfgang E. Nagel. Co-Design of Systems and Applications for Exascale (Dagstuhl Perspectives Worksop 12212). In Dagstuhl Reports, Volume 2, Issue 5, pp. 71-92, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2012)

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@Article{bode_et_al:DagRep.2.5.71,
  author =	{Bode, Arndt and Hoisie, Adolfy and Kranzlm\"{u}ller, Dieter and Nagel, Wolfgang E.},
  title =	{{Co-Design of Systems and Applications for Exascale (Dagstuhl Perspectives Worksop 12212)}},
  pages =	{71--92},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2012},
  volume =	{2},
  number =	{5},
  editor =	{Bode, Arndt and Hoisie, Adolfy and Kranzlm\"{u}ller, Dieter and Nagel, Wolfgang E.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.2.5.71},
  URN =		{urn:nbn:de:0030-drops-36525},
  doi =		{10.4230/DagRep.2.5.71},
  annote =	{Keywords: Exascale, Co-Design, Scalability, Power Efficiency, Reliability}
}
Document
DOI: 10.4230/DagSemProc.05501.3
Development and Tuning Framework of Master/Worker Applications

Authors: Paola Caymes-Scutari, Anna Morajko, Eduardo César, Genaro Costa, José G. Mesa, Tomàs Margalef, Joan Sorribes, and Emilio Luque

Published in: Dagstuhl Seminar Proceedings, Volume 5501, Automatic Performance Analysis (2006)

Abstract
Parallel/distributed programming is a complex task that requires a high degree of expertise to fulfill the expectations of high performance computation. The Master/Worker paradigm is one of the most commonly used because it is easy to understand and there is a wide range of applications that match this paradigm. However, there are certain features, such as data distribution and the number of workers that must be tuned properly to obtain adequate performance. In most cases such features cannot be tuned statically since they depend on the particular conditions of each execution. In this paper, we show a dynamic tuning environment that is based on a theoretical model of Master/Worker behavior and allows for the adaptation of such applications to the dynamic conditions of execution. The environment includes a pattern based application development framework that allows the user to concentrate on the design phase and makes it easier to overcome performance bottlenecks.
Cite as

Paola Caymes-Scutari, Anna Morajko, Eduardo César, Genaro Costa, José G. Mesa, Tomàs Margalef, Joan Sorribes, and Emilio Luque. Development and Tuning Framework of Master/Worker Applications. In Automatic Performance Analysis. Dagstuhl Seminar Proceedings, Volume 5501, pp. 1-6, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)

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@InProceedings{caymesscutari_et_al:DagSemProc.05501.3,
  author =	{Caymes-Scutari, Paola and Morajko, Anna and C\'{e}sar, Eduardo and Costa, Genaro and Mesa, Jos\'{e} G. and Margalef, Tom\`{a}s and Sorribes, Joan and Luque, Emilio},
  title =	{{Development and Tuning Framework of Master/Worker Applications}},
  booktitle =	{Automatic Performance Analysis},
  pages =	{1--6},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2006},
  volume =	{5501},
  editor =	{Hans Michael Gerndt and Allen Malony and Barton P. Miller and Wolfgang Nagel},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.05501.3},
  URN =		{urn:nbn:de:0030-drops-5057},
  doi =		{10.4230/DagSemProc.05501.3},
  annote =	{Keywords: Dynamic tuning, performance analysis, performance model}
}
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