


{"id":6316,"date":"2026-03-30T10:33:08","date_gmt":"2026-03-30T08:33:08","guid":{"rendered":"https:\/\/pepr-cloud.fr\/fr\/?p=6316"},"modified":"2026-03-30T13:43:07","modified_gmt":"2026-03-30T11:43:07","slug":"presentation-de-spare","status":"publish","type":"post","link":"https:\/\/pepr-cloud.fr\/en\/francais-presentation-de-spare\/","title":{"rendered":"(Fran\u00e7ais) Pr\u00e9sentation de SPaRe"},"content":{"rendered":"<p class=\"qtranxs-available-languages-message qtranxs-available-languages-message-en\">Sorry, this entry is only available in <a href=\"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/posts\/6316\" class=\"qtranxs-available-language-link qtranxs-available-language-link-fr\" title=\"Fran\u00e7ais\">Fran\u00e7ais<\/a>.<\/p><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/pepr-cloud.fr\/files\/2026\/03\/Journees-du-GDR-RSD-2026-Grenoble.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"326\" src=\"https:\/\/pepr-cloud.fr\/files\/2026\/03\/Journees-du-GDR-RSD-2026-Grenoble-1024x326.png\" alt=\"\" class=\"wp-image-6261\" srcset=\"https:\/\/pepr-cloud.fr\/files\/2026\/03\/Journees-du-GDR-RSD-2026-Grenoble-1024x326.png 1024w, https:\/\/pepr-cloud.fr\/files\/2026\/03\/Journees-du-GDR-RSD-2026-Grenoble-300x96.png 300w, https:\/\/pepr-cloud.fr\/files\/2026\/03\/Journees-du-GDR-RSD-2026-Grenoble-768x245.png 768w, https:\/\/pepr-cloud.fr\/files\/2026\/03\/Journees-du-GDR-RSD-2026-Grenoble-1536x489.png 1536w, https:\/\/pepr-cloud.fr\/files\/2026\/03\/Journees-du-GDR-RSD-2026-Grenoble-150x48.png 150w, https:\/\/pepr-cloud.fr\/files\/2026\/03\/Journees-du-GDR-RSD-2026-Grenoble-1320x420.png 1320w, https:\/\/pepr-cloud.fr\/files\/2026\/03\/Journees-du-GDR-RSD-2026-Grenoble.png 1856w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<h1 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#223cb0\"><strong>Pr\u00e9sentation de SPaRe : Selective Page-table and Replicated Memory pour les syst\u00e8mes NUMA<\/strong><\/h1>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color\"><em>L\u2019\u00e9quipe Delys (Riwan Coeffic, Redha Gouicem, Julien Sopena) pr\u00e9sentera ses travaux sur SPaRe lors des Journ\u00e9es du GDR RSD le 19 mars 2026 \u00e0 Grenoble. Cette contribution s\u2019inscrit dans le cadre des recherches sur la gestion optimis\u00e9e de la m\u00e9moire pour les serveurs de calcul \u00e0 acc\u00e8s h\u00e9t\u00e9rog\u00e8ne (NUMA), un enjeu cl\u00e9 pour les infrastructures modernes.<\/em><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-cyan-bluish-gray-color has-css-opacity has-cyan-bluish-gray-background-color has-background aligncenter is-style-wide\"\/>\n\n\n\n<p style=\"font-size:25px\"><strong><strong>SPaRe : une approche innovante pour les syst\u00e8mes NUMA<\/strong><\/strong><\/p>\n\n\n\n<p>Les architectures NUMA (Non-Uniform Memory Access) permettent d\u2019am\u00e9liorer les performances des serveurs en r\u00e9partissant la m\u00e9moire entre plusieurs n\u0153uds de calcul. Cependant, leur gestion reste complexe, notamment en raison des <strong>latences d\u2019acc\u00e8s variables<\/strong> et des <strong>co\u00fbts de synchronisation<\/strong>. L\u2019\u00e9quipe Delys propose <strong>SPaRe<\/strong>, une solution combinant :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Selective Page-table<\/strong> : une gestion s\u00e9lective des tables de pages pour r\u00e9duire les surco\u00fbts li\u00e9s \u00e0 la synchronisation entre n\u0153uds ;<\/li>\n\n\n\n<li><strong>Replicated Memory<\/strong> : une r\u00e9plication cibl\u00e9e de la m\u00e9moire pour minimiser les acc\u00e8s distants et optimiser les performances.<\/li>\n<\/ul>\n\n\n\n<p>Ces m\u00e9canismes visent \u00e0 <strong>r\u00e9duire les temps d\u2019acc\u00e8s m\u00e9moire<\/strong> et \u00e0 <strong>am\u00e9liorer l\u2019efficacit\u00e9 des applications parall\u00e8les<\/strong>, tout en limitant la consommation de ressources.<\/p>\n\n\n\n<p><strong>Contexte : les Journ\u00e9es du GDR RSD<\/strong><\/p>\n\n\n\n<p>Les <strong>Journ\u00e9es du GDR R\u00e9seaux et Syst\u00e8mes Distribu\u00e9s (RSD)<\/strong> r\u00e9unissent chaque ann\u00e9e chercheurs, doctorants et industriels pour \u00e9changer sur les avanc\u00e9es dans les domaines de la virtualisation, des syst\u00e8mes r\u00e9partis et des infrastructures cloud. L\u2019\u00e9dition 2026, organis\u00e9e \u00e0 <strong>Grenoble (LIG, Domaine universitaire de Saint-Martin-d\u2019H\u00e8res)<\/strong>, mettra en lumi\u00e8re des travaux r\u00e9cents, dont ceux de l\u2019\u00e9quipe Delys.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p style=\"font-size:25px\"><strong>Informations pratiques<\/strong><\/p>\n\n\n\n<p><strong>Date<\/strong> : 19-20 mars 2026<br><strong>Lieu<\/strong> : LIG, 150 place du Torrent, 38400 Saint-Martin-d\u2019H\u00e8res<br><strong>Inscription<\/strong> : Gratuite mais obligatoire (date limite : <strong>20 f\u00e9vrier 2026<\/strong>)<br><strong>Site officiel<\/strong> : <a href=\"https:\/\/gdrrsd2026.imag.fr\/\" target=\"_blank\" rel=\"noreferrer noopener\">gdrrsd2026.imag.fr<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Pourquoi SPaRe est-il important ?<\/strong><\/p>\n\n\n\n<p>Les syst\u00e8mes NUMA sont au c\u0153ur des infrastructures de calcul haute performance, mais leur gestion m\u00e9moire reste un d\u00e9fi. SPaRe propose une <strong>approche hybride<\/strong> pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Optimiser les performances<\/strong> des applications parall\u00e8les ;<\/li>\n\n\n\n<li><strong>R\u00e9duire les co\u00fbts de synchronisation<\/strong> entre n\u0153uds ;<\/li>\n\n\n\n<li><strong>Limiter la consommation m\u00e9moire<\/strong> gr\u00e2ce \u00e0 une r\u00e9plication intelligente.<\/li>\n<\/ul>\n\n\n\n<p>Ces avanc\u00e9es pourraient b\u00e9n\u00e9ficier aux <strong>centres de donn\u00e9es<\/strong>, aux <strong>applications temps r\u00e9el<\/strong> et aux <strong>environnements cloud<\/strong>, o\u00f9 la latence et l\u2019efficacit\u00e9 m\u00e9moire sont critiques.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u00c0 propos des auteurs<\/strong><br>Riwan Coeffic, Redha Gouicem et Julien Sopena sont membres de l\u2019\u00e9quipe Delys, sp\u00e9cialis\u00e9e dans les syst\u00e8mes distribu\u00e9s et la gestion des ressources. Leurs travaux s\u2019inscrivent dans une d\u00e9marche d\u2019<strong>innovation pour les infrastructures de calcul modernes<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Pour en savoir plus<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Site des Journ\u00e9es du GDR RSD : <a href=\"https:\/\/gdrrsd2026.imag.fr\/\" target=\"_blank\" rel=\"noreferrer noopener\">gdrrsd2026.imag.fr<\/a><\/li>\n\n\n\n<li>Lieu : LIG, Domaine universitaire de Saint-Martin-d\u2019H\u00e8res<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Sorry, this entry is only available in Fran\u00e7ais. Pr\u00e9sentation de SPaRe : Selective Page-table and Replicated Memory pour les syst\u00e8mes NUMA L\u2019\u00e9quipe Delys (Riwan Coeffic, Redha Gouicem, Julien Sopena) pr\u00e9sentera ses travaux sur SPaRe lors des Journ\u00e9es du GDR RSD le 19 mars 2026 \u00e0 Grenoble. Cette contribution s\u2019inscrit dans\u2026<\/p>\n<p> <a class=\"continue-reading-link\" href=\"https:\/\/pepr-cloud.fr\/en\/francais-presentation-de-spare\/\"><span>Continuer la lecture<\/span><i class=\"crycon-right-dir\"><\/i><\/a> <\/p>\n","protected":false},"author":2502,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-6316","post","type-post","status-publish","format-standard","hentry","category-interview"],"_links":{"self":[{"href":"https:\/\/pepr-cloud.fr\/en\/wp-json\/wp\/v2\/posts\/6316","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pepr-cloud.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pepr-cloud.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pepr-cloud.fr\/en\/wp-json\/wp\/v2\/users\/2502"}],"replies":[{"embeddable":true,"href":"https:\/\/pepr-cloud.fr\/en\/wp-json\/wp\/v2\/comments?post=6316"}],"version-history":[{"count":7,"href":"https:\/\/pepr-cloud.fr\/en\/wp-json\/wp\/v2\/posts\/6316\/revisions"}],"predecessor-version":[{"id":6335,"href":"https:\/\/pepr-cloud.fr\/en\/wp-json\/wp\/v2\/posts\/6316\/revisions\/6335"}],"wp:attachment":[{"href":"https:\/\/pepr-cloud.fr\/en\/wp-json\/wp\/v2\/media?parent=6316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pepr-cloud.fr\/en\/wp-json\/wp\/v2\/categories?post=6316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pepr-cloud.fr\/en\/wp-json\/wp\/v2\/tags?post=6316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}