{"id":844246,"date":"2023-08-16T14:45:00","date_gmt":"2023-08-16T12:45:00","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=844246"},"modified":"2023-08-16T17:20:39","modified_gmt":"2023-08-16T15:20:39","slug":"les-performances-des-radeon-en-ray-tracing-debridees-jusqua-trois-fois-plus-rapides-sous-linux","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/les-performances-des-radeon-en-ray-tracing-debridees-jusqua-trois-fois-plus-rapides-sous-linux\/","title":{"rendered":"Les performances des Radeon en ray-tracing d\u00e9brid\u00e9es, jusqu&#8217;\u00e0 trois fois plus rapides sous Linux"},"content":{"rendered":"\n<p>Actuellement en phase d&#8217;\u00e9valuation, le prochain pilote Mesa Radeon Vulkan RADV pour Linux <strong>boosterait drastiquement les performances en ray-tracing<\/strong> sous cet OS et cette API avec les cartes graphiques Radeon. Il est question d\u2019une multiplication de la fr\u00e9quence d\u2019images par un facteur de trois dans certains titres.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/08\/hitman-31.jpg\" alt=\"Hitman 3 jeu\" class=\"wp-image-844247\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/08\/hitman-31.jpg 1200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/08\/hitman-31-300x169.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/08\/hitman-31-768x432.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">\u00a9 IO Interactive A\/S\t<\/figcaption><\/figure><\/div>\n\n\n<p>C\u2019est ce qu\u2019avance Friedrich Vock, l\u2019un des membres de la team MESA. Il a ajout\u00e9 un support pour les constructions de structures d&#8217;acc\u00e9l\u00e9ration par lots dans le pilote Mesa RADV et a d\u00e9clar\u00e9 \u00e0 ce sujet&nbsp;:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u00ab&nbsp;Ceci convertit radv_CmdBuildAccelerationStructuresKHR en un simple shim qui pousse les commandes de construction actuelles dans une file d&#8217;attente, o\u00f9 elles sont accumul\u00e9es et distribu\u00e9es le plus tard possible. Ceci est particuli\u00e8rement utile pour les jeux qui ne font pas de mise en lot des commandes de compilation. Par exemple, <strong>cela triple les performances de Hitman 3<\/strong>.&nbsp;\u00bb<\/p>\n<\/blockquote>\n\n\n\n<ul>\n<li><strong>\u00c0 lire &gt; <a href=\"https:\/\/www.tomshardware.fr\/ratchet-clank-rift-apart-le-ray-tracing-arrive-enfin-pour-les-cartes-graphiques-amd\/\">Ratchet &amp; Clank : Rift Apart : le ray tracing arrive enfin pour les cartes graphiques AMD<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-un-framerate-multipliee-par-deux-ou-trois-mais-combien-d-ips-concretement\">Un <em>framerate<\/em> multipli\u00e9e par deux ou trois, mais combien d&#8217;IPS concr\u00e8tement ?<\/h2>\n\n\n\n<p>Etaash Mathamsetty, qui travaille \u00e9galement pour MESA, rapporte pour sa part <strong>un doublement du nombre d&#8217;images par seconde dans le jeu <a href=\"https:\/\/www.tomshardware.fr\/test-legos-builder-journey\/\">Lego Builder\u2019s Journey<\/a><\/strong><a href=\"https:\/\/www.tomshardware.fr\/test-legos-builder-journey\/\">, le puzzle-game gorg\u00e9 de ray tracing d\u00e9velopp\u00e9 par Light Brick Studio<\/a>, ainsi que des hausses \u2013 nettement plus mod\u00e9r\u00e9es \u2013 dans d\u2019autres productions, avec sa carte graphique Radeon RX 6800. Il \u00e9crit&nbsp;:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u00ab&nbsp;L&#8217;am\u00e9lioration des performances de cette PR est \u00e9norme dans quelques jeux. Parmi ceux que je poss\u00e8de, Lego Builder\u2019s Journey obtient une am\u00e9lioration des performances x2. Control gagne ~5 images par seconde suppl\u00e9mentaires en 1080p, Minecraft RTX (\u00e9dition \u00e9ducation) ~10 ips. Associ\u00e9 au pipeline monolithique MR, il fait compl\u00e8tement exploser l&#8217;amdvlk&nbsp;\u00bb.<\/p>\n<\/blockquote>\n\n\n\n<p>Selon la source, ce pilote ray tracing RADV remani\u00e9 sera prochainement int\u00e9gr\u00e9 dans une mise \u00e0 jour Mesa 23.3. Nous aurons certainement droit \u00e0 des benchmarks plus exhaustifs et pr\u00e9cis \u00e0 ce moment (configuration exacte, IPS initiales&#8230;).<\/p>\n\n\n\n<p>Rappelons que <strong>seules les Radeon RX 6000 et Radeon RX 7000 b\u00e9n\u00e9ficient d\u2019un support mat\u00e9riel du ray tracing chez AMD<\/strong> ; \u00e0 gamme \u00e9quivalente, les GeForce RTX de NVIDIA restent sup\u00e9rieures dans ce domaine. AMD souhaiterait d\u2019ailleurs <a href=\"https:\/\/www.tomshardware.fr\/radeon-8000-un-gpu-navi-4c-tres-complexe-pour-les-cartes-graphiques-haut-de-gamme\/\">fortement booster les performances ray tracing de sa prochaine g\u00e9n\u00e9ration (RX 8000 sous architecture RDNA 4)<\/a>.<\/p>\n\n\n\n<ul>\n<li><strong>\u00c0 lire &gt; <a href=\"https:\/\/www.tomshardware.fr\/oubliez-le-simple-ray-tracing-nvidia-souhaite-desormais-integrer-le-path-tracing-a-davantage-de-jeux\/\">Oubliez le simple ray tracing, NVIDIA souhaite d\u00e9sormais int\u00e9grer le path tracing \u00e0 davantage de jeux<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"has-small-font-size\"><em>Source : <a href=\"https:\/\/www.phoronix.com\/news\/RADV-Batch-Accel-RT\" target=\"_blank\" rel=\"noreferrer noopener\">Phoronix<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le pilote MESA Radeon Vulkan RADV pour les GPU AMD multiplierait par trois les performances ray tracing dans certains titres sous Linux avec l'API Vulkan. C'est notamment le cas pour le jeu Hitman 3 ;\u2026<\/p>","protected":false},"author":87,"featured_media":844247,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ep_exclude_from_search":false,"footnotes":""},"categories":[487,4094],"tags":[578],"hubs":[],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_show_in_home":true,"post_show_summary":false,"post_source":"","hide_sidebar":false,"hide_advertising":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v22.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les performances des Radeon en ray-tracing d\u00e9brid\u00e9es, jusqu&#039;\u00e0 trois fois plus rapides sous Linux<\/title>\n<meta name=\"description\" content=\"Le pilote MESA Radeon Vulkan RADV pour les GPU AMD multiplierait par trois les performances ray tracing dans certains titres sous Linux avec l&#039;API Vulkan. 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