{"id":4898,"date":"2025-09-03T15:31:03","date_gmt":"2025-09-03T13:31:03","guid":{"rendered":"https:\/\/pepr-cloud.fr\/fr\/?p=4898"},"modified":"2025-09-24T14:32:50","modified_gmt":"2025-09-24T12:32:50","slug":"sigmetric-2025-une-avancee-pour-le-projet-diva","status":"publish","type":"post","link":"https:\/\/pepr-cloud.fr\/fr\/sigmetric-2025-une-avancee-pour-le-projet-diva\/","title":{"rendered":"Sigmetric 2025 : une avanc\u00e9e pour le projet DiVa"},"content":{"rendered":"<div class=\"wp-block-cover is-light animate__animated animate__fadeInDown\" style=\"min-height:500px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1440\" class=\"wp-block-cover__image-background wp-image-4900\" alt=\"\" src=\"https:\/\/pepr-cloud.fr\/files\/2025\/09\/sygmetrics-scaled.jpeg\" style=\"object-position:46% 50%\" data-object-fit=\"cover\" data-object-position=\"46% 50%\" srcset=\"https:\/\/pepr-cloud.fr\/files\/2025\/09\/sygmetrics-scaled.jpeg 2560w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/sygmetrics-300x169.jpeg 300w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/sygmetrics-1024x576.jpeg 1024w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/sygmetrics-768x432.jpeg 768w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/sygmetrics-1536x864.jpeg 1536w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/sygmetrics-2048x1152.jpeg 2048w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/sygmetrics-150x84.jpeg 150w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/sygmetrics-1320x743.jpeg 1320w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h1 class=\"wp-block-heading has-text-color\" style=\"color:#223cb0\"><strong>Nouvelle publication sur les interruptions utilisateur d\u2019Intel : une avanc\u00e9e pour le projet DiVa<\/strong><\/h1>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-black-color has-text-color\"><strong><em>Les \u00e9quipes KrakOS (Louis Duval, Renaud Lachaize, Alain Tchana) et SEPIA (Yves Kone, Daniel Hagimont), en collaboration avec Pascal Felber (Universit\u00e9 de Neuch\u00e2tel), viennent de publier une \u00e9tude majeure dans le cadre du projet DiVa. Ce projet vise \u00e0 d\u00e9velopper des m\u00e9canismes de virtualisation innovants pour les infrastructures cloud d\u00e9sagr\u00e9g\u00e9es et les environnements edge connect\u00e9s \u00e0 des centres de donn\u00e9es.<\/em><\/strong><\/p>\n\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-medium\"><a href=\"https:\/\/pepr-cloud.fr\/files\/2025\/09\/presentation-sigmetrics-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/pepr-cloud.fr\/files\/2025\/09\/presentation-sigmetrics-300x225.jpg\" alt=\"\" class=\"wp-image-4903\" srcset=\"https:\/\/pepr-cloud.fr\/files\/2025\/09\/presentation-sigmetrics-300x225.jpg 300w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/presentation-sigmetrics-1024x768.jpg 1024w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/presentation-sigmetrics-768x576.jpg 768w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/presentation-sigmetrics-1536x1152.jpg 1536w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/presentation-sigmetrics-2048x1536.jpg 2048w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/presentation-sigmetrics-150x113.jpg 150w, https:\/\/pepr-cloud.fr\/files\/2025\/09\/presentation-sigmetrics-1320x990.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong><em>Yves Kone<\/em><\/strong><\/figcaption><\/figure><\/div>\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><\/p>\n\n\n\n<p>Leur article, <em>\u00ab Understanding Intel User Interrupts \u00bb<\/em> (<a rel=\"noreferrer noopener\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3727132\" target=\"_blank\">ACM DL<\/a>), analyse une fonctionnalit\u00e9 r\u00e9cente des processeurs Intel Xeon : les <strong>interruptions utilisateur (UINTR)<\/strong>. Pr\u00e9sent\u00e9 le <strong>12 juin 2025 \u00e0 Sigmetric 2025 (Stony Brook, New York, USA)<\/strong>, ce travail montre que les UINTR permettent de g\u00e9rer des interruptions inter-processeurs <strong>directement en mode utilisateur<\/strong>, sans intervention du noyau. Les r\u00e9sultats d\u00e9montrent une am\u00e9lioration significative de la r\u00e9activit\u00e9 des communications inter-processus, avec des quanta de temps de l\u2019ordre de la microseconde \u2014 un atout pour les syst\u00e8mes r\u00e9partis et les applications temps r\u00e9el, au c\u0153ur des d\u00e9fis du projet <strong>DiVa<\/strong>.<\/p>\n\n\n\n<p class=\"has-text-align-left\"><strong><em>Le papier est disponible sur <\/em><\/strong><a href=\"https:\/\/hal.science\/hal-05115268\" target=\"_blank\" rel=\"noreferrer noopener\">HAL<\/a><\/p>\n\n\n\n<p><strong><em>Page sur <a href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3727132\" target=\"_blank\" rel=\"noreferrer noopener\">ACM DL<\/a><\/em><\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Nouvelle publication sur les interruptions utilisateur d\u2019Intel : une avanc\u00e9e pour le projet DiVa Les \u00e9quipes KrakOS (Louis Duval, Renaud Lachaize, Alain Tchana) et SEPIA (Yves Kone, Daniel Hagimont), en collaboration avec Pascal Felber (Universit\u00e9 de Neuch\u00e2tel), viennent de publier une \u00e9tude majeure dans le cadre du projet DiVa. Ce\u2026<\/p>\n<p> <a class=\"continue-reading-link\" href=\"https:\/\/pepr-cloud.fr\/fr\/sigmetric-2025-une-avancee-pour-le-projet-diva\/\"><span>Continuer la lecture<\/span><i class=\"crycon-right-dir\"><\/i><\/a> <\/p>\n","protected":false},"author":2502,"featured_media":4900,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-4898","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evenement"],"_links":{"self":[{"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/posts\/4898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/users\/2502"}],"replies":[{"embeddable":true,"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/comments?post=4898"}],"version-history":[{"count":8,"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/posts\/4898\/revisions"}],"predecessor-version":[{"id":4972,"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/posts\/4898\/revisions\/4972"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/media\/4900"}],"wp:attachment":[{"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/media?parent=4898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/categories?post=4898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pepr-cloud.fr\/fr\/wp-json\/wp\/v2\/tags?post=4898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}