{"id":673019,"date":"2021-07-20T10:31:50","date_gmt":"2021-07-20T08:31:50","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=673019"},"modified":"2023-06-29T10:49:28","modified_gmt":"2023-06-29T08:49:28","slug":"windows-10-supporterait-directstorage-malgre-tout","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/windows-10-supporterait-directstorage-malgre-tout\/","title":{"rendered":"Windows 10 supporterait DirectStorage malgr\u00e9 tout"},"content":{"rendered":"\n

Au lancement de sa console next-gen Xbox Series X<\/a>, Microsoft a d\u00e9voil\u00e9 son architecture Velocity. Son objectif essentiel : assurer de meilleures performances dans le chargement des jeux et de leurs assets, en particulier \u00e0 travers la r\u00e9\u00e9criture des entr\u00e9es\/sorties, le support de nouveaux algorithmes de d\u00e9compression acc\u00e9l\u00e9r\u00e9s par le GPU et l’int\u00e9gration d’un SSD NVMe.<\/p>\n\n\n\n

\"Image<\/figure>\n\n\n\n

Architecture Velocity Engine : l’API DirectStorage modernise les entr\u00e9es\/sorties<\/h2>\n\n\n\n

Point d’orgue de cette nouvelle architecture, l’API DirectStorage<\/a> am\u00e9liore les temps de chargement en transf\u00e9rant directement les donn\u00e9es des jeux du SSD au GPU, sans passer par le CPU. Un itin\u00e9raire Bison fut\u00e9, en somme, qui fait gagner de pr\u00e9cieuses secondes pendant les chargements, au point d’influencer le gameplay et le level design, selon les d\u00e9veloppeurs qui y ont go\u00fbt\u00e9. Coupl\u00e9 \u00e0 la d\u00e9compression plus rapide des textures et des assets, directement par le GPU, ce principe offre en pratique des chargements quasi-instantan\u00e9s des niveaux \u2026 l\u00e0 o\u00f9 les studios devaient parfois rivaliser d’imagination pour “masquer” ces transferts s’op\u00e9rant en arri\u00e8re-plan, en rallongeant des corridors menant \u00e0 un nouvel environnement, par exemple.<\/p>\n\n\n\n

\"Image
Source : Microsoft<\/figcaption><\/figure>\n\n\n\n

Lors de la pr\u00e9sentation de Windows 11<\/a>, Microsoft a mis l’accent sur les capacit\u00e9s de son prochain syst\u00e8me en mati\u00e8re de rendu graphique et de support pour les jeux vid\u00e9o. L’API DirectStorage est donc de la partie, et autorise l\u00e0 aussi un transfert direct des donn\u00e9es entre un SSD NVMe et la m\u00e9moire du GPU.<\/p>\n\n\n\n

Dans un billet publi\u00e9 sur le blog des d\u00e9veloppeurs DirectX<\/a>, Microsoft a confirm\u00e9 le d\u00e9ploiement prochain de cette m\u00eame API DirectStorage sur Windows 10, \u00e9largissant au passage le public \u00e9ligible \u00e0 une telle technologie. La firme de Redmond affirme que l’API prendra en charge Windows 10 depuis sa mise \u00e0 jour 1909 (19H2) et au-del\u00e0.<\/p>\n\n\n\n

L’\u00e9quipe de d\u00e9veloppement pr\u00e9cise toutefois que les performances ne seront pas tout \u00e0 fait comparables entre les deux versions du syst\u00e8me d’exploitation. Outre sa modernisation de la gestion des entr\u00e9es\/sorties et des files d’attente, l’API DirectStorage repose aussi sur une s\u00e9rie d’optimisations de la pile de stockage, qui s’est vue totalement r\u00e9\u00e9crite avec Windows 11. En clair, la gestion “fondamentale” des supports de stockage et de leur lecture\/\u00e9criture, au niveau le plus bas du syst\u00e8me d’exploitation, a \u00e9volu\u00e9 entre Windows 10 et 11, ce qui devrait peser sur les performances.<\/p>\n\n\n\n

Si la perspective de voir Microsoft “d\u00e9tricoter” certaines des exclusivit\u00e9s de Windows 11 pour les d\u00e9ployer sous Windows 10 peut appara\u00eetre comme un aveu de faiblesse, face \u00e0 la r\u00e9ception (mitig\u00e9e) de l’annonce de son futur syst\u00e8me, il reste important de tirer les performances vers le haut pour un maximum de joueurs. A plus forte raison lorsque ces technologies ont de vraies cons\u00e9quences sur la mani\u00e8re elle-m\u00eame de d\u00e9velopper de nouveaux titres.<\/p>\n","protected":false},"excerpt":{"rendered":"

L'API d'acc\u00e9l\u00e9ration du stockage, introduite avec les Xbox Series, ne serait pas une exclusivit\u00e9 de Windows 11.<\/p>","protected":false},"author":66,"featured_media":673025,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ep_exclude_from_search":false,"footnotes":""},"categories":[487,4068,4087,4097],"tags":[556,496],"hubs":[],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_source":"","hide_sidebar":false,"hide_advertising":false},"yoast_head":"\nWindows 10 supporterait DirectStorage malgr\u00e9 tout<\/title>\n<meta name=\"description\" content=\"L'API d'acc\u00e9l\u00e9ration du stockage, introduite avec les Xbox Series, ne serait pas une exclusivit\u00e9 de Windows 11.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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