{"id":129256,"date":"2018-12-11T09:36:45","date_gmt":"2018-12-11T01:36:45","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=129256"},"modified":"2018-11-28T09:46:24","modified_gmt":"2018-11-28T01:46:24","slug":"linux-cpu","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/linux-cpu.html","title":{"rendered":"Linux 4.20\u5185\u6838\u5f97\u5230\u66f4\u65b0\uff0c\u82f1\u7279\u5c14CPU \u6027\u80fd\u964d\u4f4e50%"},"content":{"rendered":"

\u6839\u636eHKEPC\u7684\u62a5\u9053\uff0cLinux\u8fd1\u65e5\u53d1\u5e03\u4e86 4.20 \u5185\u6838\u7684\u4e00\u4e9b\u6f0f\u6d1e\u4fee\u590d\u66f4\u65b0\uff0c\u66f4\u65b0\u540e\u53ef\u80fd\u4f1a\u51fa\u73b050% \u7684\u6027\u80fd\u635f\u5931\uff0c\u662f\u4eca\u5e74\u5185\u6240\u6709\u5b89\u88c5Spectre\/Meltdown \u4fee\u8865\u7a0b\u5f0f\u4e2d\u6548\u80fd\u8dcc\u5e45\u6700\u5927\u7684\u4e00\u6b21\u3002<\/p>\n

\"\"<\/p>\n

\u636e\u62a5\u9053\uff0cLinux 4.20 \u66f4\u65b0\u5c06\u652f\u6301\u7ebf\u7a0b\u7684\u5904\u7406\u5668\u9ed8\u8ba4\u542f\u7528\u4e86STIBP\uff0c\u9632\u6b62\u95f4\u63a5\u5206\u652f\u9884\u6d4b\u5668\u7684\u8de8\u6267\u884c\u7eea\u63a7\u5236\uff0c\u53ef\u4ee5\u9632\u6b62\u57fa\u4e8eSpectre V2 \u6f0f\u6d1e\u7684\u653b\u51fb\uff0c\u4f46\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\u4f1a\u635f\u5bb3\u542f\u7528\u4e86Hyper-Threading \u8d85\u7ebf\u7a0b\u7684Intel \u5904\u7406\u5668\u7684\u6027\u80fd\uff0c\u524d\u63d0\u662f\u8fd9\u4e9bCPU \u4e5f\u5728\u8fd0\u884c\u6700\u65b0\u66f4\u65b0\u3002<\/p>\n

Intel \u7814\u7a76\u5458 Arjan van de Ven \u5728\u4e00\u4efd\u56de\u590d\u4e2d\u8868\u793a\uff0c\u201c\u5728\u90ae\u4ef6\u4e2d\uff0cAMD \u5efa\u8bae\u4e0d\u8981\u9ed8\u8ba4\u5f00\u542f\uff0c\u6211\u53ef\u4ee5\u4ee3\u8868 Intel \u8bf4\u4e00\u53e5\u6211\u4eec\u7684\u7acb\u573a\u4e5f\u4e00\u6837\uff0c\u5728\u9ed8\u8ba4\u7684\u60c5\u51b5\u4e0b\u4e00\u5b9a\u4e0d\u8981\u5f00\u542f\u8fd9\u4e2a\u529f\u80fd\u3002\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6839\u636eHKEPC\u7684\u62a5\u9053\uff0cLinux\u8fd1\u65e5\u53d1\u5e03\u4e86 4.20 \u5185\u6838\u7684\u4e00\u4e9b\u6f0f\u6d1e\u4fee\u590d\u66f4\u65b0\uff0c\u66f4\u65b0\u540e\u53ef\u80fd\u4f1a\u51fa\u73b050% \u7684\u6027\u80fd\u635f […]<\/p>\n","protected":false},"author":1482,"featured_media":129258,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-129256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/129256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/1482"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=129256"}],"version-history":[{"count":3,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/129256\/revisions"}],"predecessor-version":[{"id":129292,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/129256\/revisions\/129292"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/129258"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=129256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=129256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=129256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}