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La Grille de calcul mondiale pour le LHC (WLCG) | CERN
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href="/fr/news/press-release/cern/cern-council-selects-mark-thomson-next-director-general-starting-2026" hreflang="fr" title="Le Conseil du CERN choisit Mark Thomson comme prochain directeur g茅n茅ral du CERN 脿 compter de 2026"> <span> Le Conseil du CERN choisit Mark Thomson comme... </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> At CERN </div> <div class="preview-card__category" style="color:"> Press release </div> <div class="preview-card__date" style="color:"> <time datetime="2024-11-06T11:00:02Z">6 novembre, 2024</time> </div> </div> </div> </div> </div> </div> <div class="views-row"> <div data-history-node-id="191152" id="preview-card--2" class="component-preview-cards box-pattern landing_page" style="background:url('/sites/default/files/styles/large/public/2024-10/ba1938f2-89a3-4bdd-bd79-5b83ed6f3e35.JPG?itok=Lh4ptU3U') no-repeat center center / cover" 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Computer Centre - Veronika McQuade" src="//cds.cern.ch/images/CERN-CO-1008294-05/file?size=large"/> </a> <figcaption> <span> (Image: CERN)</span> </figcaption> </figure> </div> <div class="component-row__row"> <div class="component-row__column component-row__center section-has-no-column col-md-12 col-sm-12 col-xs-12"> <div class="box-effects-wrapper "> <div class="cern-component-header-blocks component-header"> <div id="header-blocks--2" class="owl-carousel owl-theme component-header__carousel header-carousel"> <div class="header-block"> <div class="header-block__title"> <span > <ol class="breadcrumb"> <li > <a href="/fr/science">science</a> </li> <li > <a href="/fr/science/computing">computing</a> </li> <li > grid </li> <li class="active"> La Grille de calcul mondiale pour le LHC (WLCG) </li> </ol> </span> <h3 class="header-block__name" > <span>La Grille de calcul mondiale pour le LHC (WLCG)</span> <span class="header-block__name__underline"></span> </h3> <span class="header-block__subhead" ><hr> <p class="text-align-center">G茅rer le d茅luge de donn茅es du LHC</p> </span> </div> </div> </div> </div> <a class="endof-cern-header-blocks"></a> </div> </div> </div> </div> </div> <div class="field--item"> <div class="component-row component-row__display__centered section-navigation effect_none"> <div class="component-row__row"> <div class="component-row__column component-row__center section-has-no-column col-md-12 col-sm-12 col-xs-12"> <div class="box-effects-wrapper "> <div class="component-margin component-margin-small" ></div> <div class="text-component text-component-page clearfix"> <div class="text-component-text cern_full_html"> <p>Le r么le de la <a href="http://wlcg-public.web.cern.ch">Grille de calcul mondiale pour le LHC (WLCG)</a> est de fournir les ressources informatiques n茅cessaires pour stocker, distribuer et analyser les donn茅es produites par le LHC.</p> <p>La Grille WLCG combine environ 1,4 million de c艙urs de processeurs et 1,5 exaoctets de stockage provenant de plus de 170 sites r茅partis dans 42 pays. Cette immense infrastructure informatique distribu茅e fournit 脿 plus de 12 000 physiciens du monde entier un acc猫s en temps quasi r茅el aux donn茅es du LHC, ainsi que le pouvoir de les traiter.</p> <p>Elle ex茅cute plus de 2 millions de calculs complexes par jour et, <span lang="fr-CH">脿 la fin du second long arr锚t technique,</span> les taux de transfert globaux ont d茅pass茅 260 Go/s.</p> <p>Ces chiffres augmenteront avec le temps et 脿 mesure que les ressources informatiques et les nouvelles technologies seront plus accessibles dans le monde.</p> <p>Le CERN fournit environ 20% des ressources de la Grille WLCG.</p> </div> </div> </div> </div> </div> </div> </div> <div class="field--item"> <div class="component-row component-row__display__centered section-navigation effect_none"> <div class="component-row__row"> <div class="component-row__column component-row__center section-has-no-column col-md-12 col-sm-12 col-xs-12"> <div class="box-effects-wrapper "> <div class="text-component text-component-page clearfix"> <div class="text-component-text cern_full_html"> <figure class="cds-video" id="OPEN-VIDEO-2018-041-001" style="margin: 0;"><div><iframe allowfullscreen="true" frameborder="0" height="450" src="//cds.cern.ch/video/OPEN-VIDEO-2018-041-001?responsive=1" width="100%"></iframe></div><figcaption>L'application EGL donne une visualisation en temps quasi r茅el (actualis茅e toutes les dix minutes) de l'activit茅 de la Grille WLCG. 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