{"id":278979,"date":"2018-05-04T08:00:00","date_gmt":"2018-05-04T06:00:00","guid":{"rendered":"https:\/\/cms.galaxiemedia.fr\/tomshardware\/2018\/05\/04\/reportage-le-cerveau-artificiel-pny-airi-sur-gpu-nvidia-volta\/"},"modified":"2023-06-27T09:41:01","modified_gmt":"2023-06-27T07:41:01","slug":"reportage-le-cerveau-artificiel-pny-airi-sur-gpu-nvidia-volta","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/reportage-le-cerveau-artificiel-pny-airi-sur-gpu-nvidia-volta\/","title":{"rendered":"Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img alt=\"Image 1 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/20180417-163236-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Un petit monstre qui ronronne fort<\/h2>\n\n\n\n\n\n<div style=\"text-align:center\">\n\t\n\t\n\t<div class=\"video_title\">PNY AIRI<\/div>\n<\/div>\n\n\n\n<p>\n\n\n<p>Nous sommes all\u00e9s examiner le prototype d&#8217;une machine ultra-puissante destin\u00e9e \u00e0 l&#8217;intelligence artificielle dans les labos de PNY \u00e0 Bordeaux. Une machine nomm\u00e9e AIRI (Artificial Intelligence Ready Infrastructure) con\u00e7ue avec NVIDIA, Pure Storage et Arista Networks. Mais la particularit\u00e9 de cette machine, c&#8217;est qu&#8217;elle coupe l&#8217;herbe sous le pied au <a href=\"https:\/\/www.tomshardware.fr\/dgx-2-16-gpu-presentes-comme-la-plus-grosse-cartes-graphique-du-monde\/\">DGX-2<\/a> de NVIDIA, qui rel\u00e8ve de la m\u00eame id\u00e9e : monter un serveur complet d&#8217;apprentissage dans un volume minimal, avec un maximum de puissance et d&#8217;efficacit\u00e9. Voil\u00e0 un petit tour d&#8217;horizon de cette machine, qui fait un bruit de tous les diables, comme vous pouvez le constater sur notre vid\u00e9o (et c&#8217;\u00e9tait au repos !).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img alt=\"Image 2 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/idia-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Jusqu&#8217;\u00e0 4 p\u00e9taflops TensorFlow<\/h2>\n\n\n\n<p><\/p>\n\n<p>La machine finale est pr\u00e9sent\u00e9e comme telle (photo marketing), avec jusqu&#8217;\u00e0 quatre racks NVIDIA DGX-1, pour un total de 32 GPU Tesla V100, soit un nombre impressionnant de 163 840 coeurs CUDA et 20 480 coeurs Tensor. PNY annonce alors 4 p\u00e9taflops pour les applications Deep Learning TensorFlow de Google, soit un p\u00e9taflops par rack DGX-1. Notez que le DGX-2 de NVIDIA est plus puissant encore, avec des racks DGX-1 de seconde g\u00e9n\u00e9ration arm\u00e9s de deux fois plus de RAM HBM.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img alt=\"Image 3 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/20180417-164944-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2 p\u00e9taflops inZeBox<\/h2>\n\n\n\n<p>Le prototype que nous avons pu voir regroupait deux racks DGX-1 de NVIDIA, soit 2 t\u00e9raflops de puissance. On voit sur cette image le coeur de \u00ab l&#8217;intelligence \u00bb de la machine. Mais pour alimenter ces GPU en donn\u00e9es, il faut toute une infrastructure pour relier stockage, m\u00e9moire et GPU.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img alt=\"Image 4 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/20180417-164938-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Stockage de folie<\/h2>\n\n\n\n<p>C\u00f4t\u00e9 stockage, PNY a travaill\u00e9 avec l&#8217;un des fabricants les plus avanc\u00e9s du moment : Pure Storage, qui a mis au point une baie FalshBlade capable d&#8217;accueillir 7 lames de stockage de 17 To de capacit\u00e9 chacune \u00e0 tr\u00e8s haute performance, capable de d\u00e9passer les 1 million d&#8217;IOPS. Cet acc\u00e8s al\u00e9atoire ultra-efficace est indispensable pour satisfaire tous les acc\u00e8s donn\u00e9es exig\u00e9s par les GPU. <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img alt=\"Image 5 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/20180417-163219-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Sous le cache de NVIDIA<\/h2>\n\n\n\n<p>En retirant le cache dor\u00e9 de NVIDIA, on peut voir les slots de stockage et les branchements sur les quatre alimentations 1600 W n\u00e9cessaires. Sur les slots visibles en fa\u00e7ade, un rack DGX-1 ne peut qu&#8217;accueillir un maximum de 4x 1,92 To de donn\u00e9es sur SSD, avec des performances inf\u00e9rieures \u00e0 celle du FlashBlade. Il fallait donc passer par Pure Storage pour \u00e9quiper la machine et assurer un fonctionnement autonome sur son propre stockage.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img alt=\"Image 6 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/20170509-123650-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Dans un DGX-1<\/h2>\n\n\n\n<p>Cette image montre l&#8217;int\u00e9rieur d&#8217;un DGX-1 en pr\u00e9sentation lors d&#8217;un salon. On peut voir que le bruit intense de la machine est produit par les quatre grosses turbines qu&#8217;on peut voir derri\u00e8re le bloc de stockage, juste avant les GPU et leur gros radiateur. Au fond, les quatre cartes InfiniBand pour connecter le rack au reste de la machine.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img alt=\"Image 7 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/interieur-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Zoom sur les radiateurs<\/h2>\n\n\n\n<p>Le flux d&#8217;air puls\u00e9 est aspir\u00e9 en fa\u00e7ade, projet\u00e9 tout le long du rack, et passe \u00e0 travers les radiateurs. Ici, on voir les vrais radiateurs sur les GPU (hors d\u00e9mo salon, photo prise chez PNY). Sous les GPU, une carte m\u00e8re regroupe deux Xeon E5-2698 20 coeurs dans chaque rack, refroidis de la m\u00eame mani\u00e8re.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img alt=\"Image 8 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"720\" height=\"480\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/product-flashblade-blade-grey-2017-imgw--960-540-720x480.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Une lame de stockage<\/h2>\n\n\n\n<p>Dans la <a href=\"https:\/\/www.purestorage.com\/fr\/products\/flashblade.html\" target=\"_blank\" rel=\"noopener\">FlashBlade<\/a> de Pure Storage, on trouve jusqu&#8217;\u00e0 7 lames de ce genre. Des \u00e9normes SSD \u00e9paul\u00e9s par des processeurs ARM en guise de contr\u00f4leurs, mais aussi par un processeur Xeon et sa DRAM d\u00e9di\u00e9e. Voil\u00e0 comment obtenir 16 Go\/s de d\u00e9bit et surtout 1 millions d&#8217;IOPS. Une configuration maximale avec 15 lames de 52 To peut monter \u00e0 1800 W de consommation.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img alt=\"Image 9 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/20180417-164933-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Ethernet 100 Gbit<\/h2>\n\n\n\n<p>Pour interconnecter toute cette puissance sans perte, il a fallu d\u00e9passer les 10 Gbit et passer par du 100 Gbit Ethernet fourni par les Arista Network. Avec une telle bande passante, PNY explique, test \u00e0 l&#8217;appui, que les DGX-1 cumulent leur puissance avec un bon scaling, sans goulot d&#8217;\u00e9tranglement, m\u00eame avec quatre racks et 32 GPU. Le DGX-2 de NVIDIA monte \u00e0 300 Gbit\/s.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img alt=\"Image 10 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/20180417-163255-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Cable pr0n<\/h2>\n\n\n\n<p>Derri\u00e8re la machine, un d\u00e9luge de c\u00e2bles permet de tout interconnecter, sans oublier les c\u00e2bles d&#8217;alimentation, qui sont aussi tr\u00e8s nombreux, comme on va pouvoir le voir dans le dernier slide.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img alt=\"Image 11 : Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2018\/05\/20180417-162946-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Derni\u00e8re gourmandise<\/h2>\n\n\n\n<p>Pour finir ce petit p\u00e9riple, voil\u00e0 la mani\u00e8re donc la machine de test \u00e9tait branch\u00e9e dans les labos de PNY. Evidemment, pour une installation plus finale, il faudra un branchement plus s\u00e9rieux. Mais pour cette machine \u00e0 8000 W, cette installation \u00e9lectrique tenait le coup sans probl\u00e8me !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nous sommes all\u00e9s examiner le prototype d'une machine ultra-puissante destin\u00e9e \u00e0 l'intelligence artificielle dans les labos de PNY \u00e0 Bordeaux. Une machine nomm\u00e9e AIRI (Artificial Intelligence Ready Infrastructure) con\u00e7ue avec NVIDIA, Pure<\/p>","protected":false},"author":7,"featured_media":278980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[487,4072],"tags":[538],"hubs":[],"class_list":["post-278979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-cartes-graphiques","tag-nvidia"],"acf":{"post_show_excerpt":true,"post_source":{"title":"Tom's Hardware FR","url":"http:\/\/www.presence-pc.com\/","target":""},"display_mode":"medium-img","post_show_in_home":false,"post_show_summary":false,"hide_sidebar":false,"hide_advertising":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v23.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta<\/title>\n<meta name=\"description\" content=\"Nous sommes all\u00e9s examiner le prototype d&#039;une machine ultra-puissante destin\u00e9e \u00e0 l&#039;intelligence artificielle dans les labos de PNY \u00e0 Bordeaux. Une machine nomm\u00e9e AIRI (Artificial Intelligence Ready Infrastructure) con\u00e7ue avec NVIDIA, Pure\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tomshardware.fr\/reportage-le-cerveau-artificiel-pny-airi-sur-gpu-nvidia-volta\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reportage : le cerveau artificiel PNY AIRI, sur GPU NVIDIA Volta\" \/>\n<meta property=\"og:description\" content=\"Nous sommes all\u00e9s examiner le prototype d&#039;une machine ultra-puissante destin\u00e9e \u00e0 l&#039;intelligence artificielle dans les labos de PNY \u00e0 Bordeaux. 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