{"id":91476,"date":"2021-10-07T10:10:39","date_gmt":"2021-10-07T01:10:39","guid":{"rendered":"https:\/\/softantenna.com\/wp\/?p=91476"},"modified":"2021-10-07T10:10:39","modified_gmt":"2021-10-07T01:10:39","slug":"amd-confirm-windows-11-performance-issues","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/amd-confirm-windows-11-performance-issues\/","title":{"rendered":"AMD\u3001Windows 11\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u3092\u8a8d\u8b58"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2021\/10\/s_20211007_95914.jpg\" alt=\"S 20211007 95914\" title=\"s_20211007_95914.jpg\" border=\"0\" width=\"1280\" height=\"622\" \/><\/p>\n<p>AMD\u306f\u672c\u65e5\u3001\u540c\u793e\u306eRyzen\u30c1\u30c3\u30d7\u3092Windows 11\u4e0a\u3067\u4f7f\u7528\u3057\u305f\u5834\u5408\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b<a href=\"https:\/\/www.amd.com\/en\/support\/kb\/faq\/pa-400\">\u65e2\u77e5\u306e\u4e0d\u5177\u5408<\/a>\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u660e\u3089\u304b\u3068\u3057\u307e\u3057\u305f(<a href=\"https:\/\/mspoweruser.com\/amd-confirms-windows-11-performance-issues-with-some-chipsets\/\">MSPoweruser<\/a>)\u3002<\/p>\n<p>AMD\u306b\u3088\u308b\u3068\u3001\u65e2\u77e5\u306e\u4e0d\u5177\u5408\u306f\u4ee5\u4e0b\u306e2\u3064\u3067\u3059\u3002<\/p>\n<table>\n<tr>\n<th>Known Performance Changes<\/th>\n<th>Impact<\/th>\n<th>Resolution<\/th>\n<\/tr>\n<tr>\n<td>Measured and functional L3 cache latency may increase by ~3X.<\/td>\n<td>\n<ul>\n<li>Applications sensitive to memory subsystem access time may be impacted.<\/li>\n<li>Expected performance impact of 3-5% in affected applications, 10-15% outliers possible in games commonly used for eSports.<\/li>\n<\/ul>\n<\/td>\n<td>\n<ul>\n<li>A Windows update is in development to address this issue with expected availability in October of 2021.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>UEFI CPPC2 (\u201cpreferred core\u201d) may not preferentially schedule threads on a processor\u2019s fastest core.<\/td>\n<td>\n<ul>\n<li>Applications sensitive to the performance of one or a few CPU threads may exhibit reduced performance.<\/li>\n<li>Performance impact may be more detectable in &gt;8-core processors above 65W TDP.<\/li>\n<\/ul>\n<\/td>\n<td>\n<ul>\n<li>A software&nbsp;update is in development to address this issue&nbsp;with expected availability in October of 2021.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/table>\n<p>L3\u30ad\u30e3\u30c3\u30b7\u30e5\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u304c\u5897\u52a0\u3059\u308b\u554f\u984c\u3068\u3001AMD\u306e\u30d7\u30ea\u30d5\u30a1\u30fc\u30c9\u30fb\u30b3\u30a2\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u6700\u901f\u30b3\u30a2\u306b\u30b9\u30ec\u30c3\u30c9\u3092\u9069\u5207\u306b\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u3044\u3046\u554f\u984c\u304c\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>AMD\u306f\u3001\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30fb\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u6e96\u5099\u4e2d\u3067\u3001\u4eca\u6708\u672b\u307e\u3067\u306b\u914d\u4fe1\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002AMD\u306eRyzen\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30d1\u30c3\u30c1\u304c\u63d0\u4f9b\u3055\u308c\u308b\u307e\u3067\u3001Windows 11\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30fb\u30a2\u30b7\u30b9\u30bf\u30f3\u30c8\u7b49\u3092\u4f7f\u7528\u3057\u3066\u3001Windows 11\u306b\u5f37\u5236\u7684\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u306e\u306f\u907f\u3051\u305f\u307b\u3046\u304c\u3088\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AMD\u306f\u672c\u65e5\u3001\u540c\u793e\u306eRyzen\u30c1\u30c3\u30d7\u3092Windows 11\u4e0a\u3067\u4f7f\u7528\u3057\u305f\u5834\u5408\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b\u65e2\u77e5\u306e\u4e0d\u5177\u5408\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u660e\u3089\u304b\u3068\u3057\u307e\u3057\u305f(MSPoweruser)\u3002 AMD\u306b\u3088\u308b\u3068\u3001\u65e2\u77e5\u306e\u4e0d\u5177\u5408\u306f\u4ee5\u4e0b\u306e2\u3064\u3067\u3059\u3002 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":91477,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"aside","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[4078],"class_list":["post-91476","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-windows","tag-amd","post_format-post-format-aside"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/91476","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=91476"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/91476\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/91477"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=91476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=91476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=91476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}