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30 Research products, page 1 of 3

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  • 2018-2022
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  • HAL-ENS-LYON
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  • Open Access English
    Authors: 
    Benoit, Anne; Canon, Louis-Claude; Elghazi, Redouane; Heam, Pierre-Cyrille;
    Publisher: HAL CCSD
    Country: France

    International audience; Scheduling independent tasks on a parallel platform is a widely-studied problem, in particular when the goal is to minimize the total execution time, or makespan (P||C_max problem in Graham's notations). Also, many applications do not consist of ...

  • Open Access
    Authors: 
    Dorra Boughzala; Laurent Lefèvre; Anne-Cécile Orgerie;
    Publisher: IEEE
    Country: France

    International audience; Building a sustainable Exascale machine is a very promising target in High Performance Computing (HPC). To tackle the energy consumption challenge while continuing to provide tremendous performance, the HPC community have rapidly adopted GPU-base...

  • Publication . Conference object . Article . 2018
    Open Access English
    Authors: 
    Ina Smith; Susan Veldsman;
    Publisher: HAL CCSD

    International audience; Exploitation of the digital revolution offers great potential for less affluent and least economically developed countries (LEDCs) and for the attainment of the UN Sustainable Development Goals. However, LEDCs typically have poorly resourced nati...

  • Publication . Article . Conference object . 2019
    Open Access English
    Authors: 
    J.M. Ngundam; Godpromesse Kenne; Eustace Mbaka Nfah;
    Publisher: HAL CCSD

    L’access à l’éléctricité en Afrique Sub-saharienne est limité par le cout élevé d’extension des resaux electriques vers les zones isolées caracterisés par une faible densité de la population et une faible densité de consummation de l’energie electrique. Les systemes hyr...

  • Open Access English
    Authors: 
    Richard Dallier; L. Bondonneau; Didier Charrier; A. Coffre; Stephane Corbel; Laurent Denis; Cedric Dumez-Viou; Antony Escudie; Daniel García-Fernández; Julien N. Girard; +7 more
    Publisher: HAL CCSD
    Country: France

    International audience; The radio detection of atmospheric particle showers initiated by ultra-high energy cosmic rays is today a proven technique that allows to reconstruct their properties (direction of arrival, energy, nature). Among the precursors of this method, th...

  • Publication . Conference object . Article . 2018
    Open Access
    Authors: 
    Elisabeth Heinemann;
    Publisher: OpenEdition Press

    International audience; This paper develops the concept of network sustainability. To become and stay sustainable, distributed research infrastructures must satisfy present needs while at the same time be flexible and resilient to meet future requirements. For this it i...

  • Publication . Article . Conference object . Part of book or chapter of book . Book . 2018
    Open Access English
    Authors: 
    Angela Okune; Rebecca Hillyer; Denisse Albornoz; Alejandro Posada; Leslie Chan;
    Publisher: HAL CCSD
    Country: France

    The current discourse around Open Science has tended to focus on the creation of new technological platforms and tools to facilitate sharing and reuse of a wide range of research outputs. There is an assumption that once these new tools are in place, researchers—and at ...

  • Open Access
    Authors: 
    Hayri Acar; Hind Benfenatki; Jean-Patrick Gelas; Catarina Ferreira da Silva; Gülfem Isiklar Alptekin; Aïcha-Nabila Benharkat; Parisa Ghodous;
    Publisher: IEEE
    Countries: Turkey, France

    International audience; The emission of CO2 due to ICT (Information and Communication Technologies) is found as equivalent to aviation sector. Although the energy consumption in ICT is due both to hardware and software. In recent decade, the energy efficiency studies fo...

  • Open Access English
    Authors: 
    Issam Rais; Mathilde Boutigny; Laurent Lefèvre; Anne-Cécile Orgerie; Anne Benoit;
    Publisher: HAL CCSD
    Country: France

    International audience; Large scale distributed systems and supercomputers consume huge amounts of energy. To address this issue, an heterogeneous set of capabilities and techniques that we call leverages exist to modify power and energy consumption in large scale syste...

  • Open Access
    Authors: 
    Berk Celik; Gustavo Rostirolla; Stephane Caux; Paul Renaud-Goud; Patricia Stolf;
    Publisher: IEEE
    Country: France
    Project: ANR | DATAZERO (ANR-15-CE25-0012)

    International audience; This paper presents an energy management algorithm for a grid-connected datacenter to provide cost-efficient consumption opportunity in a Demand-Response (DR) program. The aim of this study is to schedule controllable loads of the datacenter base...