{"id":3930,"date":"2026-08-07T11:14:46","date_gmt":"2026-08-07T09:14:46","guid":{"rendered":"https:\/\/numpex.org\/thomas-herault-aborde-la-question-de-la-tolerance-aux-pannes-dans-le-domaine-du-calcul-haute-performance-hpc-lors-du-salon-compas-2026\/"},"modified":"2026-09-08T11:14:56","modified_gmt":"2026-09-08T09:14:56","slug":"thomas-herault-aborde-la-question-de-la-tolerance-aux-pannes-dans-le-domaine-du-calcul-haute-performance-hpc-lors-du-salon-compas-2026","status":"publish","type":"post","link":"https:\/\/numpex.org\/fr\/thomas-herault-aborde-la-question-de-la-tolerance-aux-pannes-dans-le-domaine-du-calcul-haute-performance-hpc-lors-du-salon-compas-2026\/","title":{"rendered":"Thomas H\u00e9rault aborde la question de la tol\u00e9rance aux pannes dans le domaine du calcul haute performance (HPC) lors du salon COMPAS 2026"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column width=\u00a0\u00bb1\/1&Prime;][vc_custom_heading uncode_shortcode_id=\u00a0\u00bb979842&Prime;]Lors de la conf\u00e9rence COMPAS 2026, Thomas H\u00e9rault a soulign\u00e9 le r\u00f4le essentiel de la tol\u00e9rance aux pannes dans l&rsquo;avenir du calcul haute performance, depuis les fondements th\u00e9oriques jusqu&rsquo;aux solutions pratiques pour les syst\u00e8mes HPC de nouvelle g\u00e9n\u00e9ration.[\/vc_custom_heading][vc_single_image media=\u00a0\u00bb3928&Prime; media_width_percent=\u00a0\u00bb100&Prime; uncode_shortcode_id=\u00a0\u00bb331337&Prime;][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/1&Prime;][vc_column_text uncode_shortcode_id=\u00a0\u00bb934038&Prime;]<\/p>\n<p class=\"isSelectedEnd\">Du 30 juin au 3 juillet 2026, <strong>COMPAS 2026<\/strong>, le colloque francophone sur le parall\u00e9lisme, les architectures et les syst\u00e8mes, a r\u00e9uni des chercheurs, de jeunes scientifiques et des repr\u00e9sentants du monde industriel \u00e0 Anglet, en France. Organis\u00e9e par l\u2019Universit\u00e9 de Pau et des Pays de l\u2019Adour (UPPA) et le laboratoire LIUPPA, cette conf\u00e9rence a constitu\u00e9 un forum de discussion sur les derni\u00e8res avanc\u00e9es en mati\u00e8re de calcul parall\u00e8le, d\u2019architectures informatiques et de syst\u00e8mes. <\/p>\n<p>L&rsquo;\u00e9dition 2026 proposait un programme scientifique riche, couvrant des th\u00e8mes allant du calcul haute performance et des architectures mat\u00e9rielles aux syst\u00e8mes distribu\u00e9s, en passant par le cloud computing, l&rsquo;efficacit\u00e9 \u00e9nerg\u00e9tique, l&rsquo;intelligence artificielle et la r\u00e9silience. Avec <strong>128 participants, 67 expos\u00e9s et 20 posters<\/strong>, COMPAS 2026 a mis en \u00e9vidence le dynamisme de la communaut\u00e9 de recherche francophone et favoris\u00e9 les \u00e9changes entre chercheurs confirm\u00e9s, jeunes chercheurs et acteurs du secteur priv\u00e9.[\/vc_column_text][vc_custom_heading text_color=\u00a0\u00bbcolor-583231&Prime; uncode_shortcode_id=\u00a0\u00bb979842&Prime; text_color_type=\u00a0\u00bbuncode-palette\u00a0\u00bb]Thomas H\u00e9rault : la r\u00e9silience \u00e0 grande \u00e9chelle[\/vc_custom_heading][vc_column_text uncode_shortcode_id=\u00a0\u00bb934038&Prime;]<\/p>\n<p class=\"isSelectedEnd\">L&rsquo;une des trois conf\u00e9rences invit\u00e9es du colloque a \u00e9t\u00e9 pr\u00e9sent\u00e9e par <strong>Thomas H\u00e9rault (Inria Bordeaux)<\/strong>. Son expos\u00e9 intitul\u00e9 <em>\u00ab La tol\u00e9rance aux pannes dans le calcul haute performance : de la th\u00e9orie \u00e0 la pratique \u00bb<\/em> a abord\u00e9 l\u2019un des principaux d\u00e9fis auxquels est confront\u00e9 l\u2019avenir du calcul \u00e0 grande \u00e9chelle : comment concevoir des syst\u00e8mes et des logiciels de calcul haute performance capables de continuer \u00e0 fonctionner efficacement malgr\u00e9 des pannes mat\u00e9rielles et logicielles de plus en plus fr\u00e9quentes. <\/p>\n<p class=\"isSelectedEnd\">\u00c0 mesure que les syst\u00e8mes informatiques \u00e9voluent vers l&rsquo;exascale, le nombre consid\u00e9rable de composants impliqu\u00e9s conf\u00e8re une importance croissante \u00e0 la r\u00e9silience et \u00e0 la tol\u00e9rance aux pannes. L&rsquo;expos\u00e9 de Thomas H\u00e9rault a abord\u00e9 ce d\u00e9fi, depuis les concepts th\u00e9oriques fondamentaux jusqu&rsquo;\u00e0 leur mise en \u0153uvre dans les environnements HPC modernes, y compris les syst\u00e8mes MPI de nouvelle g\u00e9n\u00e9ration. <\/p>\n<p>Sa contribution est venue compl\u00e9ter une <strong>session<\/strong> consacr\u00e9e <strong>\u00e0 la tol\u00e9rance aux pannes<\/strong>, qu\u2019il a pr\u00e9sid\u00e9e au cours de la conf\u00e9rence. Cette session a rassembl\u00e9 des travaux de recherche sur la tol\u00e9rance aux pannes pour les syst\u00e8mes d\u2019ex\u00e9cution bas\u00e9s sur les t\u00e2ches, la d\u00e9tection des pannes dans les commutateurs programmables et la r\u00e9silience des syst\u00e8mes distribu\u00e9s, illustrant ainsi la diversit\u00e9 des approches mises au point pour rendre les futures infrastructures de calcul haute performance (HPC) plus robustes.[\/vc_column_text][vc_custom_heading text_color=\u00a0\u00bbcolor-583231&Prime; uncode_shortcode_id=\u00a0\u00bb979842&Prime; text_color_type=\u00a0\u00bbuncode-palette\u00a0\u00bb]Pourquoi est-ce important pour NumPEx ?[\/vc_custom_heading][vc_column_text uncode_shortcode_id=\u00a0\u00bb934038&Prime;]<\/p>\n<p class=\"isSelectedEnd\"><strong>La r\u00e9silience constitue un enjeu fondamental pour le calcul exascale.<\/strong>  \u00c0 mesure que les syst\u00e8mes gagnent en taille et en h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9, le risque de d\u00e9faillances au cours de simulations scientifiques de longue dur\u00e9e augmente, ce qui fait de la tol\u00e9rance aux pannes un \u00e9l\u00e9ment essentiel de la pile logicielle exascale.<\/p>\n<p class=\"isSelectedEnd\">Gr\u00e2ce \u00e0 son soutien au projet COMPAS 2026 et \u00e0 la participation de chercheurs tels que Thomas H\u00e9rault, <strong>NumPEx contribue \u00e0 renforcer la communaut\u00e9 fran\u00e7aise du calcul haute performance (HPC) et \u00e0 favoriser les \u00e9changes autour des d\u00e9fis logiciels qui fa\u00e7onneront la prochaine g\u00e9n\u00e9ration de syst\u00e8mes informatiques<\/strong>.<\/p>\n<p>En faisant le lien entre la recherche sur les algorithmes, les syst\u00e8mes d&rsquo;ex\u00e9cution, les architectures et les applications, des \u00e9v\u00e9nements tels que COMPAS constituent un forum essentiel pour anticiper ces d\u00e9fis et d\u00e9velopper les technologies n\u00e9cessaires afin de rendre le calcul exascale fiable, efficace et exploitable pour les applications scientifiques.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column width=\u00a0\u00bb1\/1&Prime;][vc_custom_heading uncode_shortcode_id=\u00a0\u00bb979842&Prime;]Lors de la conf\u00e9rence COMPAS 2026, Thomas H\u00e9rault a soulign\u00e9 le r\u00f4le essentiel de la tol\u00e9rance aux pannes [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":3928,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"iawp_total_views":0,"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[31],"tags":[],"class_list":["post-3930","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouvelles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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