{"id":5935,"date":"2024-12-10T14:09:18","date_gmt":"2024-12-10T13:09:18","guid":{"rendered":"https:\/\/www.stellaria.fr\/?p=5935"},"modified":"2024-12-10T14:09:22","modified_gmt":"2024-12-10T13:09:22","slug":"cluster-ai-hpc-unitel-stellaria","status":"publish","type":"post","link":"https:\/\/www.stellaria.fr\/en\/cluster-ai-hpc-unitel-stellaria\/","title":{"rendered":"Unitel Technologies and Stellaria Deploy a Next-Generation AI\/HPC Cluster to Accelerate Stellaria's R&amp;D"},"content":{"rendered":"<p><em><sup>Marseille, le 10 d\u00e9cembre 2024\u00a0<\/sup><\/em><\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.unitel.fr\/\" target=\"_blank\" rel=\"noopener\">Unitel Technologies<\/a>, renowned for its expertise in cutting-edge digital infrastructures, has announced the design and deployment of a revolutionary AI\/HPC (Artificial Intelligence for High-Performance Computing) cluster for Stellaria. This company is dedicated to developing a next-generation molten salt nuclear reactor capable of 100% in-core fuel renewal. This collaboration has enabled Stellaria to compute all parameters of its reactor's digital twins in record time.<\/strong><\/p>\n\n\n\n<p>Conducted with the utmost confidentiality, this project represents a significant technological advancement to address Stellaria's specific needs, whose solution could redefine the energy future of the country. The computing cluster, designed specifically by Unitel Technologies' teams, is tailored to tackle complex challenges by combining exceptional computational power, full technological sovereignty, and uninterrupted 24\/7 operation.\u00a0<\/p>\n\n\n\n<p>Les\u00a0<em>Small Modular Reactor\u00a0<\/em>(<a href=\"https:\/\/www.connaissancedesenergies.org\/fiche-pedagogique\/energie-nucleaire-smr-petits-reacteurs-modulaires\" target=\"_blank\" rel=\"noopener\">SMR<\/a>) and\u00a0<em>Advanced Modular Reactor\u00a0<\/em>(<a href=\"https:\/\/www.sfen.org\/vos-questions\/cest-quoi-un-amr\/\" target=\"_blank\" rel=\"noopener\">AMR<\/a>) embody a new era in nuclear energy, thanks to their modularity, energy efficiency, and reduced environmental footprint. Performance requirements in this field surpass traditional standards, demanding digital solutions capable of simulating and optimizing highly complex systems. Stellaria\u2019s cluster has made it possible to model the digital twins of its reactor with unprecedented precision, accelerating the design and validation phases of a groundbreaking fast neutron reactor.\u00a0<\/p>\n\n\n\n<p>Technological sovereignty was an absolute priority in designing this infrastructure. The implemented architecture ensures complete control over data and operations\u2014an imperative for Stellaria in a demanding strategic and regulatory context. This system relies on resilient technologies and advanced security systems, ensuring the confidentiality of ongoing work and operational continuity.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-pullquote\"><blockquote><p>\u201cWe are honored to support Stellaria in a project that combines technological innovation with energy ambition. This AI cluster is not just a secure infrastructure; it is a tool serving energy transition and industrial sovereignty. It also demonstrates Unitel Technologies\u2019 ability to meet its partners' most demanding needs.\u201d<\/p><cite>K\u00e9vin Polizzi, Unitel Technologies's President<\/cite><\/blockquote><\/figure>\n\n\n\n<figure class=\"wp-block-pullquote\"><blockquote><p>\u201cThe cluster plays a crucial role in accelerating the development of simulation tools, essential for reducing the design timelines of fast neutron reactors. Thanks to Unitel Technologies, we designed and delivered our preliminary reactor project in just one year at a highly competitive cost.\u201d<\/p><cite>Nicolas Breyton, Stellaria's CEO<\/cite><\/blockquote><\/figure>\n\n\n\n<p><strong>This project illustrates the convergence between digital and energy players, where computing performance becomes a catalyst for innovation in critical domains. The collaboration between Unitel Technologies and Stellaria marks a significant milestone in creating disruptive technological solutions, addressing the twin strategic challenges of reindustrialization in France and environmental transformation in the 21<sup>st<\/sup> century.\u00a0<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Unitel Technologies, acteur reconnu pour son expertise dans les infrastructures num\u00e9riques de pointe, annonce la conception et le d\u00e9ploiement d\u2019un cluster AI \/ HPC (Artificial intelligence for High-Performance Computing) r\u00e9volutionnaire pour Stellaria. Cette entreprise\u00a0est engag\u00e9e dans le d\u00e9veloppement d\u2019un r\u00e9acteur nucl\u00e9aire \u00e0 sels fondus de nouvelle g\u00e9n\u00e9ration capable de renouveler 100 % de son combustible en c\u0153ur. Cette alliance a permis \u00e0 Stellaria de calculer l\u2019ensemble des param\u00e8tres des jumeaux num\u00e9riques de son r\u00e9acteur nucl\u00e9aire en un temps record.<\/p>","protected":false},"author":247388730,"featured_media":5920,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":true,"token":"eyJpbWciOiJodHRwczpcL1wvd3d3LnN0ZWxsYXJpYS5mclwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMTJcL3ZpZ25ldHRlLWFjdHUtd3Mtc3MtZGVnLTEwMjR4MTAyNC5qcGciLCJ0eHQiOiJVbml0ZWwgVGVjaG5vbG9naWVzIGV0IFN0ZWxsYXJpYSBkXHUwMGU5cGxvaWVudCB1biBjbHVzdGVyIEFJXC9IUEMgZGUgbm91dmVsbGUgZ1x1MDBlOW5cdTAwZTlyYXRpb24gcG91ciBhY2NcdTAwZTlsXHUwMGU5cmVyIGxlIGRcdTAwZTl2ZWxvcHBlbWVudCBSJmFtcDtEIGRlIFN0ZWxsYXJpYSIsInRlbXBsYXRlIjoiaGlnaHdheSIsImJsb2dfaWQiOjIzMzkwNzY1OH0.rLVsgstwge3P5xMBTDPxUUaOTYXvv5cCqIJhFTmproMMQ"},"version":2},"_wpas_customize_per_network":false},"categories":[6367],"tags":[6392,6393,6395,6388,6390,6389,6391,6394],"post_folder":[],"class_list":["post-5935","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-communiques-de-presse","tag-aps","tag-calcul","tag-cluster","tag-hpc","tag-ia","tag-jumeau-numerique","tag-partenaire","tag-unitel-technologie"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws-ss-deg.jpg?fit=1500%2C1500&quality=89&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pfPs4a-1xJ","jetpack-related-posts":[{"id":6350,"url":"https:\/\/www.stellaria.fr\/en\/wne-2025-data-centre-world\/","url_meta":{"origin":5935,"position":0},"title":"Stellaria at WNE 2025 and Data Centre World Paris: a shared vision for the future of energy","author":"Manon Colonna","date":"29 October 2025","format":false,"excerpt":"Du 4 au 6 novembre 2025, nous serons pr\u00e9sents sur deux \u00e9v\u00e9nements internationaux majeurs : le WNE 2025 (World Nuclear Exhibition) \u00e0 Villepinte et le Data Centre World, un \u00e9v\u00e8nement de Tech Show Paris, \u00e0 Porte de Versailles.Deux rendez-vous compl\u00e9mentaires \u00e0 la botte d'une m\u00eame ambition : acc\u00e9l\u00e9rer la transition\u2026","rel":"","context":"In &quot;Actualit\u00e9s&quot;","block_context":{"text":"Actualit\u00e9s","link":"https:\/\/www.stellaria.fr\/en\/category\/actualites\/"},"img":{"alt_text":"stellaria \u00e0 WNE 2025 du 4 au 6 novembre \u00e0 Villepinte","src":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/10\/vignette-wne.png?fit=800%2C800&quality=80&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/10\/vignette-wne.png?fit=800%2C800&quality=80&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/10\/vignette-wne.png?fit=800%2C800&quality=80&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/10\/vignette-wne.png?fit=800%2C800&quality=80&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":6243,"url":"https:\/\/www.stellaria.fr\/en\/levee-de-fonds-stellaria-2025\/","url_meta":{"origin":5935,"position":1},"title":"Stellaria raises \u20ac23 million for its molten-salt nuclear reactor","author":"Manon Colonna","date":"17 July 2025","format":false,"excerpt":"Stellaria, la start-up fran\u00e7aise issue du CEA et de Schneider Electric, annonce une lev\u00e9e de fonds d\u2019un montant total de 23 millions d\u2019euros pour d\u00e9velopper le premier r\u00e9acteur nucl\u00e9aire \u00e0 sels fondus \u00e0 neutrons rapides au monde d\u2019ici 2035. Cette lev\u00e9e de fonds est structur\u00e9e avec 14 millions d\u2019euros en\u2026","rel":"","context":"In &quot;Communiqu\u00e9s de presse&quot;","block_context":{"text":"Communiqu\u00e9s de presse","link":"https:\/\/www.stellaria.fr\/en\/category\/communiques-de-presse\/"},"img":{"alt_text":"Press release- communiqu\u00e9 de presse","src":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/07\/carrousel-ldf_Plan-de-travail-1-copie-6.png?fit=1200%2C1200&quality=80&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/07\/carrousel-ldf_Plan-de-travail-1-copie-6.png?fit=1200%2C1200&quality=80&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/07\/carrousel-ldf_Plan-de-travail-1-copie-6.png?fit=1200%2C1200&quality=80&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/07\/carrousel-ldf_Plan-de-travail-1-copie-6.png?fit=1200%2C1200&quality=80&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/07\/carrousel-ldf_Plan-de-travail-1-copie-6.png?fit=1200%2C1200&quality=80&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":5894,"url":"https:\/\/www.stellaria.fr\/en\/actus-novembre-stellaria-audit-france2030\/","url_meta":{"origin":5935,"position":2},"title":"Visit to the USA and the Czech Republic, audit by the High Commissioner for Atomic Energy, new France2030 program: November updates","author":"Manon Colonna","date":"2 December 2024","format":false,"excerpt":"Le mois de novembre aura encore \u00e9t\u00e9 tr\u00e8s fructueux pour les \u00e9quipes de Stellaria ! Nous avons re\u00e7u la restitution de l'audit du Haut-Commissaire \u00e0 l'\u00e9nergie atomique \u00e0 l'instar de toutes les startups fran\u00e7aises du nucl\u00e9aire innovant, nous avons int\u00e9gr\u00e9 le programme de France2030 pour soutenir notre d\u00e9veloppement vers l'international,\u2026","rel":"","context":"In &quot;Actualit\u00e9s&quot;","block_context":{"text":"Actualit\u00e9s","link":"https:\/\/www.stellaria.fr\/en\/category\/actualites\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws-ss-deg.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws-ss-deg.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws-ss-deg.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws-ss-deg.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws-ss-deg.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":6369,"url":"https:\/\/www.stellaria.fr\/en\/accord-de-precommande-equinix\/","url_meta":{"origin":5935,"position":3},"title":"Data centres: Stellaria and Equinix announce a pre-order agreement for electricity produced by the first breed and burn SMR","author":"Manon Colonna","date":"26 November 2025","format":false,"excerpt":"Stellaria, la start-up fran\u00e7aise sp\u00e9cialis\u00e9e dans les r\u00e9acteurs nucl\u00e9aires \u00e0 neutrons rapides et \u00e0 sels fondus, issue du CEA et de Schneider Electric, annonce un accord de pr\u00e9commande avec Equinix, Inc. (Nasdaq : EQIX), une entreprise mondiale d\u2019infrastructures num\u00e9riques. Cet accord de pr\u00e9commande permettra aux centres de donn\u00e9es Equinix de\u2026","rel":"","context":"In &quot;Communiqu\u00e9s de presse&quot;","block_context":{"text":"Communiqu\u00e9s de presse","link":"https:\/\/www.stellaria.fr\/en\/category\/communiques-de-presse\/"},"img":{"alt_text":"Press release- communiqu\u00e9 de presse","src":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/07\/carrousel-ldf_Plan-de-travail-1-copie-6.png?fit=1200%2C1200&quality=80&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/07\/carrousel-ldf_Plan-de-travail-1-copie-6.png?fit=1200%2C1200&quality=80&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/07\/carrousel-ldf_Plan-de-travail-1-copie-6.png?fit=1200%2C1200&quality=80&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/07\/carrousel-ldf_Plan-de-travail-1-copie-6.png?fit=1200%2C1200&quality=80&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2025\/07\/carrousel-ldf_Plan-de-travail-1-copie-6.png?fit=1200%2C1200&quality=80&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":6208,"url":"https:\/\/www.stellaria.fr\/en\/stellaria-fete-2-ans-nucleaire-innovant\/","url_meta":{"origin":5935,"position":4},"title":"Stellaria celebrates its 2nd anniversary: two years dedicated to innovative, renewable nuclear energy","author":"Manon Colonna","date":"1 July 2025","format":false,"excerpt":"Il y a d\u00e9j\u00e0 deux ans, au mois de juin 2023, naissait Stellaria. Port\u00e9e par une poign\u00e9e d\u2019hommes, la start-up que nous connaissons aujourd\u2019hui s\u2019engageait tout juste dans la conception d\u2019un r\u00e9acteur nucl\u00e9aire innovant de nouvelle g\u00e9n\u00e9ration. Si nous avons franchi plusieurs \u00e9tapes cruciales pour le d\u00e9veloppement de l\u2019entreprise depuis,\u2026","rel":"","context":"In &quot;Actualit\u00e9s&quot;","block_context":{"text":"Actualit\u00e9s","link":"https:\/\/www.stellaria.fr\/en\/category\/actualites\/"},"img":{"alt_text":"logo de stellaria sur fond \u00e0 particules","src":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":6523,"url":"https:\/\/www.stellaria.fr\/en\/lettre-d-intention-inb-alpha-stellaria\/","url_meta":{"origin":5935,"position":5},"title":"Stellaria and the CEA sign a Letter of Intent regarding a feasibility study for the establishment of an \u201cALPHA\u201d INB at the CEA's Cadarache facility","author":"Manon Colonna","date":"23 April 2026","format":false,"excerpt":"Stellaria et le CEA annoncent la signature d'une Lettre d'Intention (LOI) relative \u00e0 l\u2019\u00e9tude de l\u2019implantation d\u2019une INB \u00ab ALPHA\u00a0\u00bb h\u00e9bergeant une maquette, un r\u00e9acteur d\u00e9monstrateur \u00e0 combustible liquide (sels fondus) \u00e0 spectre rapide et une installation de fabrication des sels pour les besoins de la maquette et du r\u00e9acteur\u2026","rel":"","context":"In &quot;Communiqu\u00e9s de presse&quot;","block_context":{"text":"Communiqu\u00e9s de presse","link":"https:\/\/www.stellaria.fr\/en\/category\/communiques-de-presse\/"},"img":{"alt_text":"logo de stellaria sur fond \u00e0 particules","src":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.stellaria.fr\/wp-content\/uploads\/2024\/12\/vignette-actu-ws.jpg?fit=1200%2C1200&quality=89&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/posts\/5935","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/users\/247388730"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/comments?post=5935"}],"version-history":[{"count":4,"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/posts\/5935\/revisions"}],"predecessor-version":[{"id":5939,"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/posts\/5935\/revisions\/5939"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/media\/5920"}],"wp:attachment":[{"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/media?parent=5935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/categories?post=5935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/tags?post=5935"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/www.stellaria.fr\/en\/wp-json\/wp\/v2\/post_folder?post=5935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}