{"id":708876,"date":"2024-07-20T15:39:21","date_gmt":"2024-07-20T07:39:21","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/708876.html"},"modified":"2024-07-20T15:39:25","modified_gmt":"2024-07-20T07:39:25","slug":"arm%e7%bc%93%e5%ad%98%e5%8d%8f%e4%bd%9c%e6%96%b9%e5%bc%8f%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/708876.html","title":{"rendered":"arm\u7f13\u5b58\u534f\u4f5c\u65b9\u5f0f\u662f\u4ec0\u4e48"},"content":{"rendered":"

\"arm\u7f13\u5b58\u534f\u4f5c\u65b9\u5f0f\u662f\u4ec0\u4e48\"<\/p>\n

ARM\u7f13\u5b58\u534f\u4f5c\u65b9\u5f0f\u4e3b\u8981\u5305\u62ec\u4e24\u79cd\u6a21\u5f0f\uff1aMESI\u534f\u8bae\u548cMOESI\u534f\u8bae\u3002<\/strong> MESI\u534f\u8bae\u662f\u4e00\u79cd\u57fa\u4e8e\u76ee\u5f55\u7684\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\uff0c\u5b83\u901a\u8fc7\u5728\u6bcf\u4e2a\u7f13\u5b58\u884c\u4e2d\u6dfb\u52a0\u4e24\u4e2a\u72b6\u6001\u4f4d\u6765\u6807\u8bb0\u8be5\u7f13\u5b58\u884c\u7684\u72b6\u6001\u3002\u800cMOESI\u534f\u8bae\u5219\u662f\u5728MESI\u534f\u8bae\u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e86\u4e00\u4e2a\u201c\u6240\u6709\u8005\u201d\u72b6\u6001\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5c06\u6570\u636e\u7684\u6240\u6709\u6743\u8f6c\u79fb\u7ed9\u5176\u4ed6\u5904\u7406\u5668\uff0c\u4ece\u800c\u51cf\u5c11\u603b\u7ebf\u7684\u5360\u7528\u3002\u8fd9\u4e24\u79cd\u534f\u8bae\u7684\u6838\u5fc3\u90fd\u662f\u4fdd\u8bc1\u5728\u591a\u4e2a\u7f13\u5b58\u4e4b\u95f4\u7684\u6570\u636e\u4e00\u81f4\u6027\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u4e00\u4e2a\u5904\u7406\u5668\u4fee\u6539\u4e86\u4e00\u4e2a\u7f13\u5b58\u884c\u7684\u5185\u5bb9\u540e\uff0c\u5176\u4ed6\u5904\u7406\u5668\u80fd\u591f\u7acb\u5373\u77e5\u9053\u8fd9\u4e2a\u4fee\u6539\uff0c\u4ece\u800c\u907f\u514d\u4e86\u6570\u636e\u7684\u4e0d\u4e00\u81f4\u3002<\/p>\n<\/p>\n

\u4e00\u3001MESI\u534f\u8bae<\/p>\n<\/p>\n

MESI\u534f\u8bae\u662f\u4e00\u79cd\u57fa\u4e8e\u76ee\u5f55\u7684\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u3002MESI\u662fModified\u3001Exclusive\u3001Shared\u548cInvalid\u56db\u4e2a\u72b6\u6001\u7684\u9996\u5b57\u6bcd\u7f29\u5199\u3002\u8fd9\u56db\u79cd\u72b6\u6001\u5206\u522b\u8868\u793a\u4e86\u4e00\u4e2a\u7f13\u5b58\u884c\u7684\u56db\u79cd\u53ef\u80fd\u72b6\u6001\uff1aModified\u72b6\u6001\u8868\u793a\u8be5\u7f13\u5b58\u884c\u88ab\u4fee\u6539\u8fc7\uff0c\u5e76\u4e14\u5b83\u7684\u5185\u5bb9\u4e0e\u4e3b\u5b58\u4e2d\u7684\u5185\u5bb9\u4e0d\u4e00\u81f4\uff1bExclusive\u72b6\u6001\u8868\u793a\u8be5\u7f13\u5b58\u884c\u5728\u6240\u6709\u7684\u7f13\u5b58\u4e2d\u90fd\u662f\u552f\u4e00\u7684\uff1bShared\u72b6\u6001\u8868\u793a\u8be5\u7f13\u5b58\u884c\u53ef\u80fd\u5728\u5176\u4ed6\u7f13\u5b58\u4e2d\u4e5f\u5b58\u5728\uff1bInvalid\u72b6\u6001\u8868\u793a\u8be5\u7f13\u5b58\u884c\u4e2d\u7684\u5185\u5bb9\u662f\u65e0\u6548\u7684\u3002<\/p>\n<\/p>\n

\u5728MESI\u534f\u8bae\u4e2d\uff0c\u5f53\u4e00\u4e2a\u5904\u7406\u5668\u9700\u8981\u8bfb\u53d6\u6216\u8005\u5199\u5165\u4e00\u4e2a\u7f13\u5b58\u884c\u7684\u65f6\u5019\uff0c\u5b83\u9996\u5148\u4f1a\u67e5\u770b\u8fd9\u4e2a\u7f13\u5b58\u884c\u7684\u72b6\u6001\u3002\u5982\u679c\u8fd9\u4e2a\u7f13\u5b58\u884c\u7684\u72b6\u6001\u662fModified\u6216\u8005Exclusive\uff0c\u90a3\u4e48\u5b83\u53ef\u4ee5\u76f4\u63a5\u8bfb\u53d6\u6216\u8005\u5199\u5165\u8fd9\u4e2a\u7f13\u5b58\u884c\u3002\u5982\u679c\u8fd9\u4e2a\u7f13\u5b58\u884c\u7684\u72b6\u6001\u662fShared\uff0c\u90a3\u4e48\u5b83\u9700\u8981\u901a\u8fc7\u603b\u7ebf\u8bf7\u6c42\u5176\u4ed6\u7f13\u5b58\u5c06\u8fd9\u4e2a\u7f13\u5b58\u884c\u7684\u72b6\u6001\u6539\u4e3aInvalid\uff0c\u7136\u540e\u518d\u8bfb\u53d6\u6216\u8005\u5199\u5165\u8fd9\u4e2a\u7f13\u5b58\u884c\u3002\u5982\u679c\u8fd9\u4e2a\u7f13\u5b58\u884c\u7684\u72b6\u6001\u662fInvalid\uff0c\u90a3\u4e48\u5b83\u9700\u8981\u5148\u4ece\u4e3b\u5b58\u4e2d\u8bfb\u53d6\u8fd9\u4e2a\u7f13\u5b58\u884c\u7684\u5185\u5bb9\uff0c\u7136\u540e\u518d\u8bfb\u53d6\u6216\u8005\u5199\u5165\u8fd9\u4e2a\u7f13\u5b58\u884c\u3002<\/p>\n<\/p>\n

\u4e8c\u3001MOESI\u534f\u8bae<\/p>\n<\/p>\n

MOESI\u534f\u8bae\u662f\u5728MESI\u534f\u8bae\u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e86\u4e00\u4e2a\u201c\u6240\u6709\u8005\u201d\u72b6\u6001\u3002\u5728MOESI\u534f\u8bae\u4e2d\uff0c\u5f53\u4e00\u4e2a\u5904\u7406\u5668\u9700\u8981\u5199\u5165\u4e00\u4e2a\u7f13\u5b58\u884c\u7684\u65f6\u5019\uff0c\u5982\u679c\u8fd9\u4e2a\u7f13\u5b58\u884c\u7684\u72b6\u6001\u662fShared\uff0c\u90a3\u4e48\u5b83\u9700\u8981\u901a\u8fc7\u603b\u7ebf\u8bf7\u6c42\u5176\u4ed6\u7f13\u5b58\u5c06\u8fd9\u4e2a\u7f13\u5b58\u884c\u7684\u72b6\u6001\u6539\u4e3aInvalid\uff0c\u5e76\u4e14\u5c06\u81ea\u5df1\u7684\u72b6\u6001\u6539\u4e3a\u6240\u6709\u8005\u3002\u8fd9\u6837\uff0c\u5f53\u5176\u4ed6\u5904\u7406\u5668\u9700\u8981\u8bfb\u53d6\u8fd9\u4e2a\u7f13\u5b58\u884c\u7684\u65f6\u5019\uff0c\u5b83\u5c31\u53ef\u4ee5\u76f4\u63a5\u4ece\u8fd9\u4e2a\u5904\u7406\u5668\u90a3\u91cc\u83b7\u53d6\u8fd9\u4e2a\u7f13\u5b58\u884c\u7684\u5185\u5bb9\uff0c\u800c\u4e0d\u9700\u8981\u4ece\u4e3b\u5b58\u4e2d\u8bfb\u53d6\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u603b\u7ebf\u7684\u5360\u7528\u3002<\/p>\n<\/p>\n

MOESI\u534f\u8bae\u7684\u4e3b\u8981\u4f18\u70b9\u662f\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u51cf\u5c11\u603b\u7ebf\u7684\u5360\u7528\uff0c\u5e76\u4e14\u53ef\u4ee5\u786e\u4fdd\u5728\u591a\u4e2a\u7f13\u5b58\u4e4b\u95f4\u7684\u6570\u636e\u4e00\u81f4\u6027\u3002\u4f46\u662f\uff0cMOESI\u534f\u8bae\u7684\u7f3a\u70b9\u662f\u5b83\u9700\u8981\u66f4\u591a\u7684\u72b6\u6001\u4f4d\u6765\u8868\u793a\u4e00\u4e2a\u7f13\u5b58\u884c\u7684\u72b6\u6001\uff0c\u4ece\u800c\u589e\u52a0\u4e86\u7f13\u5b58\u7684\u590d\u6742\u6027\u3002<\/p>\n<\/p>\n

\u603b\u7684\u6765\u8bf4\uff0cMESI\u534f\u8bae\u548cMOESI\u534f\u8bae\u90fd\u662f\u4e3a\u4e86\u89e3\u51b3\u5728\u591a\u5904\u7406\u5668\u73af\u5883\u4e0b\u7684\u7f13\u5b58\u4e00\u81f4\u6027\u95ee\u9898\u3002\u5b83\u4eec\u901a\u8fc7\u5728\u6bcf\u4e2a\u7f13\u5b58\u884c\u4e2d\u6dfb\u52a0\u72b6\u6001\u4f4d\uff0c\u5e76\u4e14\u901a\u8fc7\u603b\u7ebf\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u673a\u5236\uff0c\u6765\u4fdd\u8bc1\u5728\u591a\u4e2a\u7f13\u5b58\u4e4b\u95f4\u7684\u6570\u636e\u4e00\u81f4\u6027\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. ARM\u7f13\u5b58\u534f\u4f5c\u65b9\u5f0f\u662f\u4ec0\u4e48\uff1f<\/strong>
\nARM\u7f13\u5b58\u534f\u4f5c\u65b9\u5f0f\u662f\u4e00\u79cd\u5904\u7406\u5668\u5185\u90e8\u7684\u7f13\u5b58\u7cfb\u7edf\uff0c\u7528\u4e8e\u63d0\u9ad8\u6570\u636e\u8bbf\u95ee\u901f\u5ea6\u548c\u6548\u7387\u3002\u5b83\u901a\u8fc7\u5c06\u5e38\u7528\u7684\u6570\u636e\u5b58\u50a8\u5728\u79bb\u5904\u7406\u5668\u66f4\u8fd1\u7684\u7f13\u5b58\u4e2d\uff0c\u4ee5\u51cf\u5c11\u5bf9\u4e3b\u5b58\u50a8\u5668\u7684\u8bbf\u95ee\u6b21\u6570\u3002<\/p>\n

2. \u5982\u4f55\u5b9e\u73b0ARM\u7f13\u5b58\u534f\u4f5c\uff1f<\/strong>
\nARM\u7f13\u5b58\u534f\u4f5c\u901a\u8fc7\u4f7f\u7528\u591a\u7ea7\u7f13\u5b58\u548c\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u6765\u5b9e\u73b0\u3002\u591a\u7ea7\u7f13\u5b58\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u7f13\u5b58\u5c42\u6b21\u4e2d\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u8bbf\u95ee\u9700\u6c42\u3002\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u5219\u786e\u4fdd\u4e0d\u540c\u7f13\u5b58\u4e4b\u95f4\u7684\u6570\u636e\u4e00\u81f4\u6027\uff0c\u907f\u514d\u6570\u636e\u51b2\u7a81\u548c\u9519\u8bef\u3002<\/p>\n

3. ARM\u7f13\u5b58\u534f\u4f5c\u65b9\u5f0f\u5bf9\u7cfb\u7edf\u6027\u80fd\u6709\u4f55\u5f71\u54cd\uff1f<\/strong>
\nARM\u7f13\u5b58\u534f\u4f5c\u65b9\u5f0f\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u901a\u8fc7\u51cf\u5c11\u5bf9\u4e3b\u5b58\u50a8\u5668\u7684\u8bbf\u95ee\uff0c\u53ef\u4ee5\u51cf\u5c11\u5ef6\u8fdf\u548c\u80fd\u8017\uff0c\u52a0\u5feb\u6570\u636e\u7684\u8bfb\u5199\u901f\u5ea6\u3002\u6b64\u5916\uff0c\u7f13\u5b58\u534f\u4f5c\u8fd8\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u5e76\u53d1\u6027\uff0c\u5141\u8bb8\u591a\u4e2a\u5904\u7406\u5668\u540c\u65f6\u8bbf\u95ee\u5171\u4eab\u6570\u636e\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u541e\u5410\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"ARM\u7f13\u5b58\u534f\u4f5c\u65b9\u5f0f\u4e3b\u8981\u5305\u62ec\u4e24\u79cd\u6a21\u5f0f\uff1aMESI\u534f\u8bae\u548cMOESI\u534f\u8bae\u3002 MESI\u534f\u8bae\u662f\u4e00\u79cd\u57fa\u4e8e\u76ee\u5f55\u7684\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae […]","protected":false},"author":3,"featured_media":708887,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/708876"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=708876"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/708876\/revisions"}],"predecessor-version":[{"id":708888,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/708876\/revisions\/708888"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/708887"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=708876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=708876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=708876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}