{"id":685956,"date":"2021-10-13T12:20:00","date_gmt":"2021-10-13T10:20:00","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=685956"},"modified":"2023-07-25T21:53:08","modified_gmt":"2023-07-25T19:53:08","slug":"probleme-de-performance-des-ryzen-sous-windows-11-des-correctifs-deployes-les-19-et-21-octobre","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/probleme-de-performance-des-ryzen-sous-windows-11-des-correctifs-deployes-les-19-et-21-octobre\/","title":{"rendered":"Probl\u00e8me de performance des Ryzen sous Windows 11 : des correctifs d\u00e9ploy\u00e9s les 19 et 21 octobre"},"content":{"rendered":"\n<p>Quelques heures apr\u00e8s le lancement officiel de Windows 11, l\u2019alerte fut donn\u00e9e : le nouveau syst\u00e8me d\u2019exploitation de Microsoft <a href=\"https:\/\/www.tomshardware.fr\/attention-windows-11-bride-les-performances-des-processeurs-amd\/\">ne fait pas bon m\u00e9nage avec les processeurs Ryzen d\u2019AMD<\/a> ; nous avons <a href=\"https:\/\/www.tomshardware.fr\/windows-11-vs-windows-10-les-performances-a-la-loupe\/\">effectu\u00e9 des mesures dans un dossier consacr\u00e9 au sujet<\/a>. Rapidement, les deux soci\u00e9t\u00e9s ont r\u00e9agi : AMD a publi\u00e9 un communiqu\u00e9 stipulant que ses \u00e9quipent travaillent avec celles de Microsoft pour proposer des mises \u00e0 jour correctives d\u2019ici la fin du mois aux deux probl\u00e8mes principaux que sont l\u2019augmentation de la latence \u00ab mesur\u00e9e et fonctionnelle \u00bb du cache L3, tr\u00e8s p\u00e9nalisant dans certains jeux avec une baisse des performances pouvant atteindre 15 %, ainsi qu\u2019une mauvaise gestion de l\u2019UEFI CPPC2. Selon le site TechPowerUp, un correctif pour le cache L3 est pr\u00e9vu le 19 octobre, et pour le bogue UEFI CPPC2 le 21 octobre.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1.jpg\"><img alt=\"Image 1 : Probl\u00e8me de performance des Ryzen sous Windows 11 : des correctifs d\u00e9ploy\u00e9s les 19 et 21 octobre\" decoding=\"async\" width=\"894\" height=\"368\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1.jpg\" alt=\"\" class=\"wp-image-685957\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1.jpg 894w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-300x123.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-150x62.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-200x82.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-250x103.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-350x144.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-400x165.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-450x185.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-500x206.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-550x226.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-600x247.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-640x263.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-710x292.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/amd-1-755x311.jpg 755w\" sizes=\"(max-width: 894px) 100vw, 894px\" \/><\/a><\/figure><\/div>\n\n\n<p>Ces mises \u00e0 jour seront d\u00e9ploy\u00e9es par le biais de Windows Update. Notez qu\u2019AMD n\u2019a officiellement communiqu\u00e9 aucune date au moment o\u00f9 nous \u00e9crivons ces lignes.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong>A lire aussi : les actualit\u00e9s r\u00e9centes consacr\u00e9es \u00e0 Windows 11 :<\/strong><\/p>\n\n\n\n    <ul>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/windows-11-24h2-voici-les-problemes-que-vous-pourriez-rencontrer-avec-la-derniere-mise-a-jour\/\">Windows 11 24H2 : voici les probl\u00e8mes que vous pourriez rencontrer avec la derni\u00e8re mise \u00e0 jour<\/a><\/li>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/windows-11-23h2-la-mise-a-jour-forcee-qui-ne-vous-laissera-pas-le-choix\/\">Windows 11 : mise \u00e0 jour forc\u00e9e vers 23H2, Microsoft ne vous laissera pas le choix !<\/a><\/li>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/windows-11-24h2-microsoft-ouvre-les-vannes-la-mise-a-jour-disponible-pour-tous\/\">Windows 11 24H2 : Microsoft ouvre les vannes, la mise \u00e0 jour disponible pour tous ? [MAJ : en fait pas tout \u00e0 fait]<\/a><\/li>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/recall-vous-devrez-supprimer-vous-meme-cette-fonctionnalite-intrusive-de-windows-11\/\">Recall : vous devrez supprimer vous-m\u00eame cette fonctionnalit\u00e9 intrusive de Windows 11<\/a><\/li>\n            <\/ul>\n\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-un-tuesday-patch-qui-aurait-aggrave-la-situation\">Un Tuesday patch qui aurait aggrav\u00e9 la situation<\/h2>\n\n\n\n<p>Comme le souligne notre confr\u00e8re, il y a certainement urgence du c\u00f4t\u00e9 d\u2019AMD. En effet, l\u2019arriv\u00e9e imminente des processeurs Alder Lake d\u2019Intel, possiblement lanc\u00e9s le 4 novembre, va entra\u00eener de nombreux tests comparatifs ; or, la majorit\u00e9 des r\u00e9dactions vont les faire sous Windows 11. Autrement dit, mieux vaut que les probl\u00e8mes de performances des processeurs Ryzen soient corrig\u00e9s d\u2019ici l\u00e0, sous peine de r\u00e9sultats biais\u00e9s.<\/p>\n\n\n\n<p>C\u2019est d\u2019autant plus vrai que d\u2019apr\u00e8s les mesures effectu\u00e9es par <a href=\"https:\/\/www.techpowerup.com\/287786\/first-windows-11-patch-tuesday-makes-ryzen-l3-cache-latency-worse-amd-puts-out-fix-dates\" target=\"_blank\" rel=\"noreferrer noopener\">TechPowerUp<\/a>, le r\u00e9cent patch Tuesday de Windows 11 a aggrav\u00e9 les choses. Dans son article, notre confr\u00e8re rapporte que cette mise \u00e0 jour a accentu\u00e9 la latence de son Ryzen 7 2700X : la latence du cache L3, mesur\u00e9e \u00e0 10 ns sous Windows 10, s\u2019\u00e9levait \u00e0 17 ns \u00e0 la sortie de Windows 11, \u00e0 31,9 ns depuis la publication du Tuesday patch.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence.jpg\"><img alt=\"Image 2 : Probl\u00e8me de performance des Ryzen sous Windows 11 : des correctifs d\u00e9ploy\u00e9s les 19 et 21 octobre\" decoding=\"async\" width=\"539\" height=\"518\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence.jpg\" alt=\"\" class=\"wp-image-685958\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence.jpg 539w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence-300x288.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence-150x144.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence-200x192.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence-250x240.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence-350x336.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence-400x384.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence-450x432.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence-500x481.jpg 500w\" sizes=\"(max-width: 539px) 100vw, 539px\" \/><\/a><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2.jpg\"><img alt=\"Image 3 : Probl\u00e8me de performance des Ryzen sous Windows 11 : des correctifs d\u00e9ploy\u00e9s les 19 et 21 octobre\" decoding=\"async\" width=\"555\" height=\"532\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2.jpg\" alt=\"\" class=\"wp-image-685959\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2.jpg 555w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2-300x288.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2-150x144.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2-200x192.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2-250x240.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2-350x335.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2-400x383.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2-450x431.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2-500x479.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2021\/10\/latence2-550x527.jpg 550w\" sizes=\"(max-width: 555px) 100vw, 555px\" \/><\/a><\/figure><\/div><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Souhaitons pour AMD et les clients que cette affaire soit termin\u00e9e avant le lancement d'Alder Lake et le d\u00e9but des tests.<\/p>","protected":false},"author":87,"featured_media":552224,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[487,4071,4097],"tags":[551,556,4032],"hubs":[],"class_list":["post-685956","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-processeurs","category-windows","tag-amd","tag-microsoft","tag-windows-11"],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_source":"","hide_sidebar":false,"hide_advertising":false,"post_show_in_home":false,"post_show_summary":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>Probl\u00e8me de performance des Ryzen sous Windows 11 : des correctifs d\u00e9ploy\u00e9s les 19 et 21 octobre<\/title>\n<meta name=\"description\" content=\"Souhaitons pour AMD et les clients que cette affaire soit termin\u00e9e avant le lancement d&#039;Alder Lake et le d\u00e9but des tests.\" \/>\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\/probleme-de-performance-des-ryzen-sous-windows-11-des-correctifs-deployes-les-19-et-21-octobre\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Probl\u00e8me de performance des Ryzen sous Windows 11 : des correctifs d\u00e9ploy\u00e9s les 19 et 21 octobre\" \/>\n<meta property=\"og:description\" content=\"Souhaitons pour AMD et les clients que cette affaire soit termin\u00e9e avant le lancement d&#039;Alder Lake et le d\u00e9but des tests.\" \/>\n<meta property=\"og:url\" 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