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Documents authored by Casanova, Henri

Document
DOI: 10.4230/DagRep.5.7.1
Algorithms and Scheduling Techniques to Manage Resilience and Power Consumption in Distributed Systems (Dagstuhl Seminar 15281)

Authors: Henri Casanova, Ewa Deelman, Yves Robert, and Uwe Schwiegelshohn

Published in: Dagstuhl Reports, Volume 5, Issue 7 (2016)

Abstract
Large-scale systems face two main challenges: failure management and energy management. Failure management, the goal of which is to achieve resilience, is necessary because a large number of hardware resources implies a large number of failures during the execution of an application. Energy management, the goal of which is to optimize of power consumption and to handle thermal issues, is also necessary due to both monetary and environmental constraints since typical applications executed in HPC and/or cloud environments will lead to large power consumption and heat dissipation due to intensive computation and communication workloads. The main objective of this Dagstuhl seminar was to gather two communities: (i)~system-oriented researchers who study high-level resource-provisioning policies, pragmatic resource allocation and scheduling heuristics, novel approaches for designing and deploying systems software infrastructures, and tools for monitoring/measuring the state of the system; and (ii)~algorithm-oriented researchers, who investigate formal models and algorithmic solutions for resilience and energy efficiency problems. Both communities focused around workflow applications during the seminar, and discussed various issues related to the efficient, resilient, and energy efficient execution of workflows in distributed platforms. This report provides a brief executive summary of the seminar and lists all the presented material.
Cite as

Henri Casanova, Ewa Deelman, Yves Robert, and Uwe Schwiegelshohn. Algorithms and Scheduling Techniques to Manage Resilience and Power Consumption in Distributed Systems (Dagstuhl Seminar 15281). In Dagstuhl Reports, Volume 5, Issue 7, pp. 1-21, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2016)

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@Article{casanova_et_al:DagRep.5.7.1,
  author =	{Casanova, Henri and Deelman, Ewa and Robert, Yves and Schwiegelshohn, Uwe},
  title =	{{Algorithms and Scheduling Techniques to Manage Resilience and Power Consumption in Distributed Systems (Dagstuhl Seminar 15281)}},
  pages =	{1--21},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2016},
  volume =	{5},
  number =	{7},
  editor =	{Casanova, Henri and Deelman, Ewa and Robert, Yves and Schwiegelshohn, Uwe},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.5.7.1},
  URN =		{urn:nbn:de:0030-drops-56705},
  doi =		{10.4230/DagRep.5.7.1},
  annote =	{Keywords: Fault tolerance, Resilience, Energy efficiency, Distributed and high performance computing, Scheduling, Workflows}
}
Document
DOI: 10.4230/DagRep.3.9.106
Algorithms and Scheduling Techniques for Exascale Systems (Dagstuhl Seminar 13381)

Authors: Henri Casanova, Yves Robert, and Uwe Schwiegelshohn

Published in: Dagstuhl Reports, Volume 3, Issue 9 (2014)

Abstract
Exascale systems to be deployed in the near future will come with deep hierarchical parallelism, will exhibit various levels of heterogeneity, will be prone to frequent component failures, and will face tight power consumption constraints. The notion of application performance in these systems becomes multi-criteria, with fault-tolerance and power consumption metrics to be considered in addition to sheer compute speed. As a result, many of the proven algorithmic techniques used in parallel computing for decades will not be effective in Exascale systems unless they are adapted or in some cases radically changed. The Dagstuhl seminar "Algorithms and Scheduling Techniques for Exascale Systems" was aimed at sharing open problems, new results, and prospective ideas broadly connected to the Exascale problem. This report provides a brief executive summary of the seminar and lists all the presented material.
Cite as

Henri Casanova, Yves Robert, and Uwe Schwiegelshohn. Algorithms and Scheduling Techniques for Exascale Systems (Dagstuhl Seminar 13381). In Dagstuhl Reports, Volume 3, Issue 9, pp. 106-129, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2014)

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@Article{casanova_et_al:DagRep.3.9.106,
  author =	{Casanova, Henri and Robert, Yves and Schwiegelshohn, Uwe},
  title =	{{Algorithms and Scheduling Techniques for Exascale Systems (Dagstuhl Seminar 13381)}},
  pages =	{106--129},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2014},
  volume =	{3},
  number =	{9},
  editor =	{Casanova, Henri and Robert, Yves and Schwiegelshohn, Uwe},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.3.9.106},
  URN =		{urn:nbn:de:0030-drops-44199},
  doi =		{10.4230/DagRep.3.9.106},
  annote =	{Keywords: Exascale computing, high-performance computing and networking, fault-tolerance, power management, scheduling, numerical linear algebra}
}
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