{"id":719,"date":"2024-04-12T15:35:45","date_gmt":"2024-04-12T07:35:45","guid":{"rendered":"http:\/\/lingbo.online\/?p=719"},"modified":"2024-09-16T21:59:31","modified_gmt":"2024-09-16T13:59:31","slug":"hardware","status":"publish","type":"post","link":"https:\/\/lingbo.online\/index.php\/learning_note\/hardware\/","title":{"rendered":"[\u8f6f\u4ef6\u8bbe\u8ba1\u5e08\u7b14\u8bb0]\u8ba1\u7b97\u673a\u7cfb\u7edf\u57fa\u7840"},"content":{"rendered":"<h1>\u8ba1\u7b97\u673a\u786c\u4ef6\u7ec4\u6210<\/h1>\n<p>\u8ba1\u7b97\u673a\u7684\u57fa\u672c\u786c\u4ef6\u7cfb\u7edf\u7531\u8fd0\u7b97\u5668\u3001\u63a7\u5236\u5668\u3001\u5b58\u50a8\u5668\u3001\u8f93\u5165\u8bbe\u5907\u548c\u8f93\u51fa\u8bbe\u5907\u4e94\u5927\u90e8\u4ef6\u7ec4\u6210\u3002<br \/>\n<strong>\u8fd0\u7b97\u5668\u3001\u63a7\u5236\u5668\u7b49\u90e8\u4ef6\u88ab\u96c6\u6210\u5728\u4e00\u8d77\u7edf\u79f0\u4e3a\u4e2d\u592e\u5904\u7406\u5355\u5143\uff08Central Processing Unit\uff0cCPU\uff09\u3002<\/strong>CPU\u662f\u786c\u4ef6\u7cfb\u7edf\u7684\u6838\u5fc3\uff0c<strong>\u7528\u4e8e\u6570\u636e\u7684\u52a0\u5de5\u5904\u7406\uff0c\u80fd\u591f\u5b8c\u6210\u5404\u79cd\u7b97\u672f\u3001\u903b\u8f91\u8fd0\u7b97\u4ee5\u53ca\u63a7\u5236\u529f\u80fd\u3002<\/strong><br \/>\n\u5b58\u50a8\u5668\u662f\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u7684\u8bb0\u5fc6\u8bbe\u5907\uff0c\u5206\u4e3a\u5185\u90e8\u5b58\u50a8\u5668\u548c\u5916\u90e8\u5b58\u50a8\u5668\u3002\u524d\u8005\u901f\u5ea6\u9ad8\u3001\u5bb9\u91cf\u5c0f\uff0c\u4e00\u822c\u7528\u4e8e\u4e34\u65f6\u5b58\u653e\u7a0b\u5e8f\u3001\u6570\u636e\u53ca\u4e2d\u95f4\u7ed3\u679c\u3002\u800c\u540e\u8005\u5bb9\u91cf\u5927\u3001\u901f\u5ea6\u6162\uff0c\u53ef\u4ee5\u957f\u671f\u4fdd\u5b58\u7a0b\u5e8f\u548c\u6570\u636e\u3002<br \/>\n<strong>\u8f93\u5165\u8bbe\u5907\u548c\u8f93\u51fa\u8bbe\u5907\u5408\u79f0\u4e3a\u5916\u90e8\u8bbe\u5907\uff08\u7b80\u79f0\u5916\u8bbe\uff09<\/strong>\uff0c\u8f93\u5165\u8bbe\u5907\u7528\u4e8e\u8f93\u5165\u539f\u59cb\u6570\u636e\u548c\u5404\u79cd\u547d\u4ee4\uff0c\u800c\u8f93\u51fa\u8bbe\u5907\u5219\u7528\u4e8e\u8f93\u51fa\u8ba1\u7b97\u673a\u8fd0\u884c\u7684\u7ed3\u679c\u3002<\/p>\n<h2>CPU\u7684\u529f\u80fd<\/h2>\n<ul>\n<li><strong>\u7a0b\u5e8f\u63a7\u5236\u3002<\/strong>CPU\u901a\u8fc7\u6267\u884c\u6307\u4ee4\u6765\u63a7\u5236\u7a0b\u5e8f\u7684\u6267\u884c\u987a\u5e8f\uff0c\u8fd9\u662fCPU\u7684\u91cd\u8981\u529f\u80fd\u3002<\/li>\n<li><strong>\u64cd\u4f5c\u63a7\u5236\u3002<\/strong>\u4e00\u6761\u6307\u4ee4\u529f\u80fd\u7684\u89c6\u7ebf\u9700\u8981\u82e5\u5e72\u64cd\u4f5c\u4fe1\u53f7\u914d\u5408\u6765\u5b8c\u6210\uff0cCPU\u4ea7\u751f\u6bcf\u6761\u6307\u4ee4\u7684\u64cd\u4f5c\u4fe1\u53f7\u5e76\u5c06\u64cd\u4f5c\u4fe1\u53f7\u9001\u5f80\u5bf9\u5e94\u7684\u90e8\u4ef6\uff0c\u63a7\u5236\u76f8\u5e94\u7684\u90e8\u4ef6\u6309\u6307\u4ee4\u7684\u529f\u80fd\u8981\u6c42\u8fdb\u884c\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u65f6\u95f4\u63a7\u5236\u3002<\/strong>CPU\u5bf9\u5404\u79cd\u64cd\u4f5c\u8fdb\u884c\u65f6\u95f4\u4e0a\u7684\u63a7\u5236\uff0c\u5373\u6307\u4ee4\u6267\u884c\u8fc7\u7a0b\u4e2d\u64cd\u4f5c\u4fe1\u53f7\u7684\u51fa\u73b0\u65f6\u95f4\u3001\u6301\u7eed\u65f6\u95f4\u53ca\u51fa\u73b0\u7684\u65f6\u95f4\u987a\u5e8f\u90fd\u9700\u8981\u4e25\u683c\u7684\u63a7\u5236\u3002<\/li>\n<li><strong>\u6570\u636e\u5904\u7406\u3002<\/strong>CPU\u901a\u8fc7\u5bf9\u6570\u636e\u8fdb\u884c\u7b97\u672f\u8fd0\u7b97\u53ca\u903b\u8f91\u8fd0\u7b97\u7b49\u65b9\u5f0f\u8fdb\u884c\u52a0\u5de5\u5904\u7406\uff0c\u6570\u636e\u52a0\u5de5\u5904\u7406\u7684\u7ed3\u679c\u88ab\u4eba\u4eec\u6240\u5229\u7528\u3002\u6240\u4ee5\uff0c\u5bf9\u6570\u636e\u7684\u52a0\u5de5\u5904\u7406\u4e5f\u662fCPU\u7684\u6839\u672c\u4efb\u52a1\u3002<br \/>\n\u6b64\u5916\uff0c<strong>CPU\u8fd8\u9700\u8981\u5bf9\u7cfb\u7edf\u5185\u90e8\u548c\u5916\u90e8\u7684\u4e2d\u65ad\u3001\u5f02\u5e38\u505a\u51fa\u54cd\u5e94\uff0c\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002<\/strong><\/li>\n<\/ul>\n<h2>CPU\u7684\u7ec4\u6210<\/h2>\n<p>CPU\u4e3b\u8981\u7531\u8fd0\u7b97\u5668\u3001\u63a7\u5236\u5668\u3001\u5bc4\u5b58\u5668\u7ec4\uff0832bit\uff0c64bit\uff09\u548c\u5185\u90e8\u603b\u7ebf\u7b49\u90e8\u4ef6\u7ec4\u6210\u3002<\/p>\n<h3>\u8fd0\u7b97\u5668<\/h3>\n<ul>\n<li>\u7b97\u672f\u903b\u8f91\u5355\u5143ALU\uff1a\u5b9e\u73b0\u5bf9\u6570\u636e\u7684\u7b97\u672f\u548c\u903b\u8f91\u8fd0\u7b97<\/li>\n<li>\u7d2f\u52a0\u5bc4\u5b58\u5668AC\uff1a\u8fd0\u7b97\u7ed3\u679c\u6216\u6e90\u64cd\u4f5c\u6570\u7684\u5b58\u653e\u533a<\/li>\n<li>\u6570\u636e\u7f13\u51b2\u5bc4\u5b58\u5668DR\uff1a\u6682\u65f6\u5b58\u653e\u5185\u5b58\u7684\u6307\u4ee4\u6216\u6570\u636e<\/li>\n<li>\u72b6\u6001\u6761\u4ef6\u5bc4\u5b58\u5668PSW\uff1a\u4fdd\u5b58\u6307\u4ee4\u8fd0\u884c\u7ed3\u679c\u7684\u6761\u4ef6\u7801\u5185\u5bb9\uff0c\u4f8b\u5982\u6ea2\u51fa\u6807\u5fd7\u7b49<\/li>\n<\/ul>\n<h3>\u63a7\u5236\u5668<\/h3>\n<ul>\n<li>\u6307\u4ee4\u5bc4\u5b58\u5668IR\uff1a\u6682\u5b58CPU\u6267\u884c\u547d\u4ee4<\/li>\n<li>\u7a0b\u5e8f\u8ba1\u6570\u5668PC\uff1a\u5b58\u653e\u6307\u4ee4\u6267\u884c\u5730\u5740<\/li>\n<li>\u5730\u5740\u5bc4\u5b58\u5668AR\uff1a\u4fdd\u5b58\u5f53\u524dCPU\u6240\u8bbf\u95ee\u7684\u5185\u5b58\u5730\u5740<\/li>\n<li>\u6307\u4ee4\u8bd1\u7801\u5668ID\uff1a\u5206\u6790\u6307\u4ee4\u64cd\u4f5c\u7801<br \/>\n<strong>CPU\u4f9d\u636e\u6307\u4ee4\u5468\u671f\u7684\u4e0d\u540c\u9636\u6bb5\u6765\u533a\u5206\u4e8c\u8fdb\u5236\u7684\u6307\u4ee4\u548c\u6570\u636e<\/strong>\uff0c\u56e0\u4e3a\u5728\u6307\u4ee4\u5468\u671f\u7684\u4e0d\u540c\u9636\u6bb5\uff0c\u6307\u4ee4\u4f1a\u547d\u4ee4CPU\u5206\u522b\u53bb\u53d6\u6307\u4ee4\u6216\u8005\u6570\u636e\u3002<\/li>\n<\/ul>\n<h2>\u8fdb\u5236\u8f6c\u5316<\/h2>\n<p>\u5341\u8fdb\u5236\u8f6cR\u8fdb\u5236\uff1a\u5341\u8fdb\u5236\u6574\u6570\uff08\u9664\u4ee5R\u5012\u53d6\u4f59\u6570\uff09\uff0c\u7528\u5341\u8fdb\u5236\u6574\u6570\u9664\u4ee5R\uff0c\u8bb0\u5f55\u6bcf\u6b21\u6240\u5f97\u4f59\u6570\uff0c\u82e5\u5546\u4e0d\u4e3a0\uff0c\u5219\u7ee7\u7eed\u9664\u4ee5R\uff0c\u76f4\u81f3\u5546\u4e3a0\uff0c\u800c\u540e\u5c06\u6240\u6709\u4f59\u6570\u4ece\u4e0b\u81f3\u4e0a\u8bb0\u5f55\uff0c\u6392\u5217\u6210\u4ece\u5de6\u5230\u53f3\u7684\u987a\u5e8f\uff0c\u5373\u4e3a\u8f6c\u5316\u540e\u7684R\u8fdb\u5236\u6570\u3002<\/p>\n<blockquote>\n<p>\u6709\u5341\u8fdb\u5236\u6570200\uff0c\u8f6c\u6362\u4e3a6\u8fdb\u5236\uff0c\u6b64\u65f6R=6\uff0c\u5c06200\/6\uff0c\u5f97\u5546\u4e3a33\uff0c\u4f59\u6570\u4e3a2\uff1b\u56e0\u4e3a\u5546\u4e0d\u7b49\u4e8e0\uff0c\u56e0\u6b64\u518d\u5c06\u554633\/6\uff0c\u5f97\u55465\uff0c\u4f59\u6570\u4e3a3\uff1b\u518d\u5c065\/6\uff0c\u5f97\u5546\u4e3a0\uff0c\u4f59\u6570\u4e3a5\uff1b\u6b64\u65f6\u5546\u4e3a0\uff0c\u5c06\u6240\u6709\u4f59\u6570\u4ece\u4e0b\u5230\u4e0a\u8bb0\u5f55\uff0c\u5f97532\u3002<\/p>\n<\/blockquote>\n<p>\u4e8c\u8fdb\u5236\u8f6c\u516b\u8fdb\u5236\uff1a\u6bcf\u4e09\u4f4d\u4e8c\u8fdb\u5236\u6570\u8f6c\u5316\u4e3a\u4e00\u4f4d\u516b\u8fdb\u5236\u6570\uff0c\u4e8c\u8fdb\u5236\u6570\u4f4d\u4e2a\u6570\u4e0d\u662f\u4e09\u7684\u500d\u6570\uff0c\u5219\u5728\u524d\u9762\u88650\uff08\u539f\u5219\u662f\u6570\u503c\u4e0d\u53d8\uff09\uff0c\u5982\u4e8c\u8fdb\u5236\u657001101\u6709\u4e94\u4f4d\uff0c\u524d001=1,101=1+4=5\uff0c\u4e5f\u5373\u4e3a15<\/p>\n<p>\u4e8c\u8fdb\u5236\u8f6c\u5341\u516d\u8fdb\u5236\uff1a\u6bcf\u56db\u4f4d\u4e8c\u8fdb\u5236\u6570\u8f6c\u5316\u4e3a\u4e00\u4f4d\u5341\u516d\u8fdb\u5236\u6570\uff0c\u4e8c\u8fdb\u5236\u6570\u4f4d\u4e2a\u6570\u4e0d\u662f\u56db\u7684\u500d\u6570\uff0c\u5219\u5728\u524d\u9762\u88650\uff0c\u5982\u4e8c\u8fdb\u5236\u6570101101\u6709\u516d\u4f4d\uff0c\u524d\u9762\u8865\u4e24\u4e2a0\u5c31\u6709\u516b\u4f4d\uff0c\u4e3a0010 1101\uff0c\u6bcf\u56db\u4f4d\u8f6c\u6362\u4e3a\u4e00\u4f4d\u5341\u516d\u8fdb\u5236\u6570\uff0c0010=2\uff0c1101=13=D\uff0c\u4e5f\u5373101101=2D\u3002<\/p>\n<h1>\u6570\u636e\u8868\u793a<\/h1>\n<p>\u673a\u5668\u6570\uff1a\u5404\u79cd\u6570\u503c\u5728\u8ba1\u7b97\u673a\u4e2d\u7684\u8868\u793a\u5f62\u5f0f\uff0c\u7279\u70b9\u662f\u4f7f\u7528\u4e8c\u8fdb\u5236\u8ba1\u6570\u5236\uff0c<strong>\u6570\u7684\u7b26\u53f7\u75280\u548c1\u8868\u793a\uff0c\u5c0f\u6570\u70b9\u5219\u9690\u542b\uff0c\u4e0d\u5360\u4f4d\u7f6e\u3002<\/strong><br \/>\n\u673a\u5668\u6570\u6709\u65e0\u7b26\u53f7\u6570\u548c\u5e26\u7b26\u53f7\u6570\u4e4b\u5206\u3002\u65e0\u7b26\u53f7\u6570\u8868\u793a\u6b63\u6570\uff0c\u6ca1\u6709\u7b26\u53f7\u4f4d\u3002\u5e26\u7b26\u53f7\u6570\u6700\u9ad8\u4f4d\u4e3a\u7b26\u53f7\u4f4d\uff0c<strong>\u6b63\u6570\u7b26\u53f7\u4f4d\u4e3a0\uff0c\u8d1f\u6570\u7b26\u53f7\u4f4d\u4e3a1\u3002<\/strong><\/p>\n<p>\u5b9a\u70b9\u8868\u793a\u6cd5\u5206\u4e3a<strong>\u7eaf\u5c0f\u6570\u548c\u7eaf\u6574\u6570<\/strong>\u4e24\u79cd\uff0c\u5176\u4e2d\u5c0f\u6570\u70b9\u4e0d\u5360\u5b58\u50a8\u4f4d\uff0c\u800c\u662f\u6309\u7167\u4ee5\u4e0b\u7ea6\u5b9a\uff1a<br \/>\n\u7eaf\u5c0f\u6570\uff1a\u7ea6\u5b9a\u5c0f\u6570\u70b9\u7684\u4f4d\u7f6e\u5728\u673a\u5668\u6570\u7684\u6700\u9ad8\u6570\u503c\u4f4d\u4e4b\u524d<br \/>\n\u7eaf\u6574\u6570\uff1a\u7ea6\u5b9a\u5c0f\u6570\u70b9\u7684\u4f4d\u7f6e\u5728\u673a\u5668\u6570\u7684\u6700\u4f4e\u6570\u503c\u4f4d\u4e4b\u540e<br \/>\n\u771f\u503c\uff1a\u673a\u5668\u6570\u5bf9\u5e94\u7684\u5b9e\u9645\u6570\u503c<\/p>\n<h2>\u539f\u7801\u3001\u53cd\u7801\u3001\u8865\u7801\u3001\u79fb\u7801<\/h2>\n<ul>\n<li>\u539f\u7801\uff1a\u4e00\u4e2a\u6570\u7684\u6b63\u5e38\u4e8c\u8fdb\u5236\u8868\u793a\uff0c\u6570\u503c0\u7684\u539f\u7801\u6709\u4e24\u79cd\u5f62\u5f0f\u3002<\/li>\n<li>\u53cd\u7801\uff1a\u6b63\u6570\u7684\u53cd\u7801\u5373\u539f\u7801\uff1b\u8d1f\u6570\u7684\u53cd\u7801\u662f\u5728\u539f\u7801\u7684\u57fa\u7840\u4e0a\uff0c\u9664\u7b26\u53f7\u4f4d\u5916\uff0c\u5176\u4ed6\u5404\u4f4d\u6309\u4f4d\u53d6\u53cd\u3002\u6570\u503c0\u7684\u8865\u7801\u4e5f\u6709\u4e24\u79cd\u5f62\u5f0f<\/li>\n<li>\u8865\u7801\uff1a\u6b63\u6570\u7684\u8865\u7801\u5373\u539f\u7801\uff1b\u8d1f\u6570\u7684\u8865\u7801\u662f\u5728\u539f\u7801\u7684\u57fa\u7840\u4e0a\uff0c\u9664\u7b26\u53f7\u4f4d\u5916\uff0c\u5176\u4ed6\u5404\u4f4d\u6309\u4f4d\u53d6\u53cd\uff0c\u800c\u540e\u672b\u4f4d+1\uff0c\u82e5\u6709\u8fdb\u4f4d\u5219\u4ea7\u751f\u8fdb\u4f4d\u3002\u6570\u503c0\u7684\u8865\u7801\u53ea\u6709\u4e00\u79cd\u5f62\u5f0f+0\u3002<\/li>\n<li>\u79fb\u7801\uff1a\u7528\u4e8e\u6d6e\u70b9\u8fd0\u7b97\u7684\u9636\u7801\uff0c\u65e0\u8bba\u6b63\u6570\u8d1f\u6570\uff0c\u90fd\u662f\u5c06\u8be5\u539f\u7801\u7684\u8865\u7801\u7684\u9996\u4f4d\uff08\u7b26\u53f7\u4f4d\uff09\u53d6\u53cd\u5f97\u5230\u79fb\u7801\u3002<\/li>\n<\/ul>\n<h1>\u6821\u9a8c\u7801<\/h1>\n<h2>\u6d77\u660e\u7801<\/h2>\n<p>\u6d77\u660e\u7801\u7684\u672c\u8d28\u4e5f\u662f<strong>\u5229\u7528\u5947\u5076\u6027<\/strong>\u6765\u68c0\u9519\u548c\u7ea0\u9519\u7684\u68c0\u6d4b\u65b9\u6cd5\uff0c\u6784\u6210\u65b9\u6cd5\u662f<strong>\u5728\u6570\u636e\u4f4d\u4e4b\u95f4\u7684\u786e\u5b9a\u4f4d\u7f6e\u4e0a\u63d2\u5165k\u4e2a\u6821\u9a8c\u4f4d\uff0c\u901a\u8fc7\u6269\u5927\u7801\u8ddd\u6765\u5b9e\u73b0\u68c0\u9519\u548c\u7ea0\u9519\u3002**<\/strong>\u8bbe\u6570\u636e\u4f4d\u662fn\u4f4d\uff0c\u6821\u9a8c\u4f4d\u662fk\u4f4d\uff0c\u5219n\u548ck\u5fc5\u987b\u6ee1\u8db3\u4ee5\u4e0b\u5173\u7cfb\uff1a2^k-1&gt;=n+k**<\/p>\n<blockquote>\n<p>\u6c42\u4fe1\u606f1011\u7684\u6d77\u660e\u7801<br \/>\n1\u3001\u6821\u9a8c\u4f4d\u7684\u4f4d\u6570\u548c\u5177\u4f53\u7684\u6570\u636e\u4f4d\u7684\u4f4d\u6570\u4e4b\u95f4\u7684\u5173\u7cfb<br \/>\n<strong>\u6240\u6709\u4f4d\u90fd\u7f16\u53f7\uff0c\u4ece\u6700\u4f4e\u4f4d\u7f16\u53f7\uff0c\u4ece1\u5f00\u59cb\u9012\u589e\uff0c\u6821\u9a8c\u4f4d\u5904\u4e8e2\u7684n(n=0 1 2\u2026\u2026)\u6b21\u65b9\u4e2d\uff0c\u5373\u5904\u4e8e\u7b2c1,2,4,8,16,32\u4f4d\u4e0a<\/strong>\uff0c\u5176\u4f59\u4e3a\u624d\u80fd\u586b\u5145\u771f\u6b63\u7684\u6570\u636e\u4f4d\uff0c\u82e5\u4fe1\u606f\u6570\u636e\u4e3a1011\uff0c\u5219\u53ef\u77e5\uff0c\u7b2c1,2,4\u4f4d\u4e3a\u6821\u9a8c\u4f4d\uff0c\u7b2c3,5,6,7\u4f4d\u4e3a\u6570\u636e\u4f4d\uff0c\u7528\u6765\u4ece\u4f4e\u4f4d\u5f00\u59cb\u5b58\u653e1011\uff0c\u5f97\u51fa\u4fe1\u606f\u4f4d\u548c\u6821\u9a8c\u4f4d\u5206\u5e03\u5982\u4e0b\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2024\/04\/st_2.jpg\" alt=\"\" \/><br \/>\n<strong>\u8ba1\u7b97\u6821\u9a8c\u7801<\/strong><br \/>\n\u5c06\u6240\u6709\u4fe1\u606f\u4f4d\u7684\u7f16\u53f7\u90fd\u62c6\u5206\u6210\u4e8c\u8fdb\u5236\u8868\u793a\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2024\/04\/st_3-scaled.jpg\" alt=\"\" \/><\/p>\n<\/blockquote>\n<h1>\u4f53\u7cfb\u7ed3\u6784<\/h1>\n<h2>\u4f53\u7cfb\u7ed3\u6784\u7684\u5206\u7c7b<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2024\/04\/st_4-scaled.jpg\" alt=\"\" \/><\/p>\n<h3>Flynn\u5206\u7c7b\u6cd5<\/h3>\n<p>\u5206\u7c7b\u6709\u4e24\u4e2a\u56e0\u7d20\uff0c\u6307\u4ee4\u6d41\u548c\u6570\u636e\u6d41\uff0c\u6307\u4ee4\u6d41\u7531\u63a7\u5236\u90e8\u5206\u5904\u7406\uff0c\u6bcf\u4e00\u4e2a\u63a7\u5236\u90e8\u5206\u5904\u7406\u4e00\u6761\u6307\u4ee4\u6d41\uff0c\u591a\u6307\u4ee4\u6d41\u5c31\u6709\u591a\u4e2a\u63a7\u5236\u90e8\u5206\uff1b\u6570\u636e\u6d41\u7531\u5904\u7406\u5668\u6765\u5904\u7406\uff0c\u6bcf\u4e00\u4e2a\u5904\u7406\u5668\u5904\u7406\u4e00\u6761\u6570\u636e\u6d41\uff0c\u591a\u6570\u636e\u6d41\u5c31\u6709\u591a\u4e2a\u5904\u7406\u5668\uff1b\u81f3\u4e8e\u4e3b\u5b58\u6a21\u5757\uff0c\u662f\u7528\u6765\u5b58\u50a8\u7684\uff0c\u5b58\u50a8\u6307\u4ee4\u6d41\u6216\u8005\u6570\u636e\u6d41\u3002\u56e0\u6b64\uff0c\u65e0\u8bba\u662f\u591a\u6307\u4ee4\u6d41\u8fd8\u662f\u591a\u6570\u636e\u6d41\uff0c\u90fd\u9700\u8981\u591a\u4e2a\u4e3b\u5b58\u6a21\u5757\u6765\u5b58\u50a8\uff0c\u5bf9\u4e0e\u4e3b\u5b58\u6a21\u5757\uff0c\u6307\u4ee4\u548c\u6570\u636e\u90fd\u4e00\u6837\u3002<br \/>\n\u4f9d\u636e\u8ba1\u7b97\u673a\u7684\u7279\u6027\uff0c\u662f\u7531\u6307\u4ee4\u6765\u63a7\u5236\u6570\u636e\u7684\u4f20\u8f93\uff0c\u56e0\u6b64\uff0c\u4e00\u4e2a\u6761\u6307\u4ee4\u53ef\u4ee5\u63a7\u5236\u4e00\u6761\u6216\u8005\u591a\u6761\u6570\u636e\u6d41\uff0c\u4f46\u4e00\u6761\u6570\u636e\u6d41\u4e0d\u80fd\u88ab\u591a\u6761\u6307\u4ee4\u63a7\u5236\uff0c\u5426\u5219\u4f1a\u51fa\u9519\uff0c\u5c31\u5982\u540c\u4e0a\u7ea7\u547d\u4ee4\u592a\u591a\u8fd8\u76f8\u4e92\u51b2\u7a81\uff0c\u4e0d\u77e5\u9053\u8be5\u6267\u884c\u54ea\u4e2a\uff0c\u56e0\u6b64<strong>\u591a\u6307\u4ee4\u5355\u6570\u636eMISD\u4e0d\u53ef\u80fd<\/strong>\u3002<\/p>\n<h2>\u6307\u4ee4\u7cfb\u7edf<\/h2>\n<p>\u8ba1\u7b97\u673a\u6307\u4ee4\u7684\u7ec4\u6210\uff1a\u4e00\u6761\u6307\u4ee4\u7531<strong>\u64cd\u4f5c\u7801\u548c\u64cd\u4f5c\u6570<\/strong>\u4e24\u90e8\u5206\u7ec4\u6210\uff0c\u64cd\u4f5c\u7801\u51b3\u5b9a\u8981\u5b8c\u6210\u7684\u64cd\u4f5c\uff0c\u64cd\u4f5c\u6570\u6307<strong>\u53c2\u52a0\u8fd0\u7b97\u7684\u6570\u636e\u53ca\u5176\u6240\u5728\u7684\u5355\u5143\u5730\u5740<\/strong><br \/>\n\u5728\u8ba1\u7b97\u673a\u4e2d\uff0c\u64cd\u4f5c\u8981\u6c42\u548c\u64cd\u4f5c\u6570\u5730\u5740\u90fd\u7531\u4e8c\u8fdb\u5236\u6570\u7801\u8868\u793a\uff0c\u5206\u522b\u79f0\u4e3a\u64cd\u4f5c\u7801\u548c\u5730\u5740\u7801\uff0c\u6574\u6761\u6307\u4ee4\u4ee5\u4e8c\u8fdb\u5236\u7f16\u7801\u7684\u5f62\u5f0f\u5b58\u653e\u5728\u5b58\u50a8\u5668\u4e2d\u3002<br \/>\n\u8ba1\u7b97\u673a\u6307\u4ee4\u6267\u884c\u8fc7\u7a0b\uff1a<strong>\u53d6\u6307\u4ee4\u2014\u2014\u5206\u6790\u6307\u4ee4\u2014\u2014\u6267\u884c\u6307\u4ee4<\/strong>\u4e09\u4e2a\u6b65\u9aa4\uff0c\u9996\u5148\u5c06\u7a0b\u5e8f\u8ba1\u6570\u5668PC\u4e2d\u7684\u6307\u4ee4\u5730\u5740\u53d6\u51fa\uff0c\u9001\u5165\u5730\u5740\u603b\u7ebf\uff0cCPU\u4f9d\u636e\u6307\u4ee4\u5730\u5740\u53bb\u5185\u5b58\u4e2d\u53d6\u51fa\u6307\u4ee4\u5185\u5bb9\u5b58\u5165\u6307\u4ee4\u5bc4\u5b58\u5668IR\uff1b\u800c\u540e\u7531\u6307\u4ee4\u8bd1\u7801\u5668\u8fdb\u884c\u5206\u6790\uff0c\u5206\u6790\u6307\u4ee4\u64cd\u4f5c\u7801\uff0c\u6700\u540e\u6267\u884c\u6307\u4ee4\uff0c\u53d6\u51fa\u6307\u4ee4\u6267\u884c\u6240\u9700\u7684\u6e90\u64cd\u4f5c\u6570\u3002<\/p>\n<h3>\u6307\u4ee4\u5bfb\u5740\u65b9\u5f0f<\/h3>\n<p><strong>\u987a\u5e8f\u5bfb\u5740\u65b9\u5f0f<\/strong>\uff1a\u5f53\u6267\u884c\u4e00\u6bb5\u7a0b\u5e8f\u65f6\uff0c\u662f\u4e00\u6761\u6307\u4ee4\u63a5\u7740\u4e00\u6761\u6307\u4ee4\u7684\u987a\u5e8f\u6267\u884c<br \/>\n<strong>\u8df3\u8dc3\u5bfb\u5740\u65b9\u5f0f<\/strong>\uff1a\u6307<strong>\u4e0b\u4e00\u6761\u6307\u4ee4\u7684\u5730\u5740\u7801\u4e0d\u662f\u7531\u7a0b\u5e8f\u8ba1\u6570\u5668\u7ed9\u51fa\uff0c\u800c\u662f\u7531\u672c\u6761\u6307\u4ee4\u76f4\u63a5\u7ed9\u51fa\u3002<\/strong> \u7a0b\u5e8f\u8df3\u8dc3\u540e\uff0c\u6309\u65b0\u7684\u6307\u4ee4\u5730\u5740\u5f00\u59cb\u987a\u5e8f\u6267\u884c\u3002\u56e0\u6b64\uff0c\u7a0b\u5e8f\u8ba1\u6570\u5668\u7684\u5185\u5bb9\u4e5f\u5fc5\u987b\u76f8\u5e94\u6539\u53d8\uff0c\u4ee5\u4fbf\u53ca\u65f6\u8ddf\u8e2a\u65b0\u7684\u6307\u4ee4\u5730\u5740<\/p>\n<h3>\u6307\u4ee4\u64cd\u4f5c\u6570\u7684\u5bfb\u5740\u65b9\u5f0f<\/h3>\n<p><strong>\u7acb\u5373\u5bfb\u5740\u65b9\u5f0f<\/strong>\uff1a\u6307\u4ee4\u7684\u5730\u5740\u7801\u5b57\u6bb5\u6307\u51fa\u7684\u4e0d\u662f\u5730\u5740\uff0c\u800c\u662f\u64cd\u4f5c\u6570\u672c\u8eab\u3002<br \/>\n<strong>\u76f4\u63a5\u5bfb\u5740\u65b9\u5f0f<\/strong>\uff1a\u5728\u6307\u4ee4\u7684\u5730\u5740\u5b57\u6bb5\u4e2d\u76f4\u63a5\u6307\u51fa\u64cd\u4f5c\u6570\u5728\u4e3b\u5b58\u4e2d\u7684\u5730\u5740\u3002<br \/>\n<strong>\u95f4\u63a5\u5bfb\u5740\u65b9\u5f0f<\/strong>:\u6307\u4ee4\u5730\u5740\u7801\u5b57\u6bb5\u6240\u6307\u5411\u7684\u5b58\u50a8\u5355\u5143\u4e2d\u5b58\u50a8\u7684\u662f\u64cd\u4f5c\u6570\u7684\u5730\u5740\u3002<br \/>\n<strong>\u5bc4\u5b58\u5668\u5bfb\u5740\u65b9\u5f0f<\/strong>:\u6307\u4ee4\u4e2d\u7684\u5730\u5740\u7801\u662f\u5bc4\u5b58\u5668\u7684\u7f16\u53f7\u3002<br \/>\n<strong>\u57fa\u5740\u5bfb\u5740\u65b9\u5f0f<\/strong>:\u5c06\u57fa\u5740\u5bc4\u5b58\u5668\u7684\u5185\u5bb9\u52a0\u4e0a\u6307\u4ee4\u4e2d\u7684\u5f62\u5f0f\u5730\u5740\u800c\u5f62\u6210\u64cd\u4f5c\u6570\u7684\u6709\u6548\u5730\u5740\uff0c\u5176\u4f18\u70b9\u662f\u53ef\u4ee5\u6269\u5927\u5bfb\u5740\u80fd\u529b\u3002<br \/>\n<strong>\u53d8\u5740\u5bfb\u5740\u65b9\u5f0f<\/strong>:\u53d8\u5740\u5bfb\u5740\u65b9\u5f0f\u8ba1\u7b97\u6709\u6548\u5730\u5740\u7684\u65b9\u6cd5\u4e0e\u57fa\u5740\u5bfb\u5740\u65b9\u5f0f\u5f88\u76f8\u4f3c\uff0c\u5b83\u662f\u5c06\u53d8\u5740\u5bc4\u5b58\u5668\u7684\u5185\u5bb9\u52a0\u4e0a\u6307\u4ee4\u4e2d\u7684\u5f62\u5f0f\u5730\u5740\u800c\u5f62\u6210\u64cd\u4f5c\u6570\u7684\u6709\u6548\u5730\u5740\u3002<\/p>\n<p>CISC\u662f\u590d\u6742\u6307\u4ee4\u7cfb\u7edf\uff0c\u517c\u5bb9\u6027\u5f3a\uff0c\u6307\u4ee4\u7e41\u591a\uff0c\u957f\u5ea6\u53ef\u53d8\uff0c\u7531\u5fae\u7a0b\u5e8f\u5b9e\u73b0<br \/>\nRISC\u662f\u7cbe\u7b80\u6307\u4ee4\u7cfb\u7edf\uff0c\u6307\u4ee4\u5c11\uff0c\u4f7f\u7528\u9891\u7387\u63a5\u8fd1\uff0c\u4e3b\u8981\u4f9d\u9760\u786c\u4ef6\u5b9e\u73b0\uff08\u901a\u7528\u5bc4\u5b58\u5668\u3001\u786c\u5e03\u7ebf\u903b\u8f91\u63a7\u5236\uff09<br \/>\n<img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2024\/04\/st_5.jpg\" alt=\"\" \/><\/p>\n<h2>\u6307\u4ee4\u6d41\u6c34\u7ebf<\/h2>\n<p>\u6307\u4ee4\u6d41\u6c34\u7ebf\uff1a\u5c06\u6307\u4ee4\u5206\u6210\u4e0d\u540c\u6bb5\uff0c\u6bcf\u6bb5\u7531\u4e0d\u540c\u7684\u90e8\u5206\u53bb\u5904\u7406\uff0c\u56e0\u6b64\u53ef\u4ee5\u4ea7\u751f\u53e0\u52a0\u7684\u6548\u679c\uff0c\u6240\u6709\u7684\u4e0d\u51cf\u53bb\u5904\u7406\u6307\u4ee4\u7684\u4e0d\u540c\u6bb5<\/p>\n<p>RISC\u4e2d\u7684\u6d41\u6c34\u7ebf\u6280\u672f\uff1a<\/p>\n<ul>\n<li>\u8d85\u6d41\u6c34\u7ebf\uff08Super Pipe Line\uff09\u6280\u672f\u3002\u901a\u8fc7\u7ec6\u5316\u6d41\u6c34\u3001\u589e\u52a0\u7ea7\u6570\u548c\u63d0\u9ad8\u4e3b\u9891\uff0c\u4f7f\u5f97\u5728\u6bcf\u4e2a\u673a\u5668\u5468\u671f\u5185\u80fd\u5b8c\u6210\u4e00\u4e2a\u751a\u81f3\u4e24\u4e2a\u6d6e\u70b9\u64cd\u4f5c\uff0c\u5b9e\u9645\u4e0a\u662f<strong>\u4ee5\u65f6\u95f4\u6362\u7a7a\u95f4<\/strong>\u3002<\/li>\n<li>\u8d85\u6807\u91cf\uff08Super Scalar\uff09\u6280\u672f\u3002\u901a\u8fc7\u5185\u88c5\u591a\u6761\u6d41\u6c34\u7ebf\u6765\u540c\u65f6\u6267\u884c\u591a\u4e2a\u5904\u7406\uff0c\u5176\u65f6\u949f\u9891\u7387\u867d\u7136\u4e0e\u4e00\u822c\u6d41\u6c34\u63a5\u8fd1\uff0c\u5374\u6709\u66f4\u5c0f\u7684CPI\u3002\u5176\u5b9e\u8d28\u662f\u4ee5\u7a7a\u95f4\u6362\u65f6\u95f4<\/li>\n<li>\u8d85\u957f\u6307\u4ee4\u5b57\uff08Very Long Instruction Word\uff0cVLIW\uff09\u6280\u672f\u3002VLIW\u548c\u8d85\u6807\u91cf\u90fd\u662f20\u4e16\u7eaa80\u5e74\u4ee3\u51fa\u73b0\u7684\u6982\u5ff5\uff0c\u5176\u5171\u540c\u70b9\u662f\u8981\u540c\u65f6\u6267\u884c\u591a\u6761\u6307\u4ee4\uff0c\u5176\u4e0d\u540c\u70b9\u5728\u4e8e\u8d85\u6807\u91cf\u4f9d\u9760\u786c\u4ef6\u6765\u5b9e\u73b0\u5e76\u884c\u5904\u7406\u7684\u8c03\u5ea6\uff0cVLIW\u5219\u5145\u5206\u53d1\u6325\u8f6f\u4ef6\u7684\u4f5c\u7528\uff0c\u800c\u4f7f\u786c\u4ef6\u7b80\u5316\uff0c\u6027\u80fd\u63d0\u9ad8\u3002<\/li>\n<\/ul>\n<h2>\u6d41\u6c34\u7ebf\u65f6\u95f4\u8ba1\u7b97\uff08\u8003\u70b9\uff09<\/h2>\n<p>\u6d41\u6c34\u7ebf\u5468\u671f\uff1a\u6307\u4ee4\u5206\u6210\u4e0d\u540c\u6267\u884c\u9636\u6bb5\uff0c\u5176\u6267\u884c\u65f6\u95f4\u6700\u957f\u7684\u6bb5\u4f4d\u6d41\u6c34\u7ebf\u5468\u671f<br \/>\n\u6d41\u6c34\u7ebf\u7684\u6267\u884c\u65f6\u95f4\uff1a\u4e00\u6761\u6307\u4ee4\u603b\u6267\u884c\u65f6\u95f4+\uff08\u603b\u6307\u4ee4\u6761\u6570-1\uff09*\u6d41\u6c34\u7ebf\u5468\u671f<br \/>\n\u6d41\u6c34\u7ebf\u541e\u5410\u7387\u8ba1\u7b97\uff1a\u541e\u5410\u7387\u662f\u5355\u4f4d\u65f6\u95f4\u5185\u6267\u884c\u7684\u6307\u4ee4\u6761\u6570\uff0c<strong>\u516c\u5f0f\uff1a\u6307\u4ee4\u6761\u6570\/\u6d41\u6c34\u7ebf\u6267\u884c\u65f6\u95f4<br \/>\n<\/strong>\u6d41\u6c34\u7ebf\u7684\u52a0\u901f\u6bd4\u8ba1\u7b97\uff1a\u52a0\u901f\u6bd4\u5373\u4f7f\u7528\u6d41\u6c34\u7ebf\u540e\u7684\u6548\u7387\u63d0\u5347\u5ea6\uff0c\u5373\u6bd4\u4e0d\u9002\u7528\u6d41\u6c34\u7ebf\u5feb\u4e86\u591a\u5c11\u500d\uff0c\u8d8a\u9ad8\u8868\u660e\u6d41\u6c34\u7ebf\u6548\u7387\u8d8a\u9ad8\u3002\u516c\u5f0f\uff1a<strong>\u4e0d\u4f7f\u7528\u6d41\u6c34\u7ebf\u6267\u884c\u65f6\u95f4\/\u4f7f\u7528\u6d41\u6c34\u7ebf\u6267\u884c\u65f6\u95f4<\/strong><\/p>\n<h1>\u5b58\u50a8\u7cfb\u7edf<\/h1>\n<p>\u8ba1\u7b97\u673a\u91c7\u7528\u5206\u7ea7\u7684\u5b58\u50a8\u4f53\u7cfb\u4e3b\u8981\u662f\u4e3a\u4e86\u89e3\u51b3\u5b58\u50a8\u5bb9\u91cf\u3001\u6210\u672c\u548c\u901f\u5ea6\u4e4b\u95f4\u7684\u77db\u76fe\u95ee\u9898\u3002<br \/>\n\u5b58\u50a8\u8ba1\u7b97\u901f\u5ea6\uff1aCPU\u5185\u90e8\u901a\u7528\u5bc4\u5b58\u5668&gt;Cache&gt;\u4e3b\u5b58\u50a8\u5668&gt;\u8054\u673a\u78c1\u76d8\u5b58\u50a8\u5668&gt;\u8131\u673a\u5149\u76d8\u3001\u5149\u76d8\u5b58\u50a8\u5668<\/p>\n<p>\u4e24\u7ea7\u5b58\u50a8\uff1aCache-\u4e3b\u5b58\u3001\u4e3b\u5b58-\u8f85\u5b58\uff08\u865a\u62df\u5b58\u50a8\u4f53\u7cfb\uff09<br \/>\n\u5c40\u90e8\u6027\u539f\u7406\uff1a\u603b\u7684\u6765\u8bf4\uff0c\u5728CPU\u8fd0\u884c\u65f6\uff0c\u6240\u8bbf\u95ee\u7684\u6570\u636e\u4f1a\u8d8b\u5411\u4e8e\u4e00\u4e2a\u8f83\u5c0f\u7684\u5c40\u90e8\u7a7a\u95f4\u5730\u5740\u5185\uff0c\u5305\u62ec\u4e0b\u9762\u4e24\u4e2a\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>\u65f6\u95f4\u5c40\u90e8\u6027\u539f\u7406\uff1a\u5982\u679c\u4e00\u4e2a\u6570\u636e\u9879\u6b63\u5728\u88ab\u8bbf\u95ee\uff0c\u90a3\u4e48\u5728\u8fd1\u671f\u4ed6\u53ef\u80fd\u4f1a\u88ab\u518d\u6b21\u8bbf\u95ee\uff0c\u5373\u5728<strong>\u76f8\u90bb\u7684\u65f6\u95f4\u91cc\u4f1a\u8bbf\u95ee\u540c\u4e00\u4e2a\u6570\u636e\u9879\u3002<\/strong><\/li>\n<li>\u7a7a\u95f4\u5c40\u90e8\u6027\u539f\u7406\uff1a\u5728\u6700\u8fd1\u7684\u5c06\u6765\u4f1a\u7528\u5230\u7684\u6570\u636e\u7684\u5730\u5740\u548c\u73b0\u5728\u6b63\u5728\u8bbf\u95ee\u7684\u6570\u636e\u5730\u5740\u5f88\u53ef\u80fd\u662f\u76f8\u8fd1\u7684\uff0c\u5373<strong>\u76f8\u90bb\u7684\u7a7a\u95f4\u5730\u5740\u4f1a\u88ab\u8fde\u7eed\u8bbf\u95ee<\/strong>\u3002<\/li>\n<\/ul>\n<h2>Cache<\/h2>\n<p>\u9ad8\u901f\u7f13\u5b58Cache\u7528\u6765\u5b58\u50a8<strong>\u5f53\u524d\u6700\u6d3b\u8dc3\u7684\u7a0b\u5e8f\u548c\u6570\u636e\uff0c\u76f4\u63a5\u4e0eCPU\u4ea4\u4e92<\/strong>\uff0c\u4f4d\u4e8eCPU\u548c\u4e3b\u5b58\u4e4b\u95f4\uff0c\u5bb9\u91cf\u5c0f\uff0c\u901f\u5ea6\u4e3a\u5185\u5b58\u76845-10\u500d\uff0c\u7531\u534a\u5bfc\u4f53\u6750\u6599\u6784\u6210\u3002\u5176\u5185\u5bb9\u662f\u4e3b\u5b58\u5185\u5b58\u7684\u526f\u672c\u62f7\u8d1d\uff0c\u5bf9\u4e8e\u7a0b\u5e8f\u5458\u6765\u8bf4\u662f\u900f\u660e\u7684\u3002<br \/>\nCache\u7528<strong>\u63a7\u5236\u90e8\u5206\u548c\u5b58\u50a8\u5668<\/strong>\u7ec4\u6210\uff0c\u5b58\u50a8\u5668\u5b58\u50a8\u6570\u636e\uff0c\u63a7\u5236\u90e8\u5206\u5224\u65adCPU\u8981\u8bbf\u95ee\u7684\u6570\u636e\u662f\u5426\u5728Cache\u4e2d\uff0c\u5728\u5219\u547d\u4e2d\uff0c\u4e0d\u5728\u5219\u4f9d\u636e\u4e00\u5b9a\u7684\u7b97\u6cd5\u4ece\u4e3b\u5b58\u4e2d\u66ff\u6362<br \/>\n\u5730\u5740\u6620\u5c04\uff1a\u5728CPU\u5de5\u4f5c\u65f6\uff0c<strong>\u9001\u51fa\u7684\u662f\u4e3b\u5b58\u5355\u5143\u7684\u5730\u5740\uff0c\u800c\u5e94\u4eceCache\u5b58\u50a8\u5668\u4e2d\u8bfb\/\u5199\u4fe1\u606f\u3002<\/strong>\u8fd9\u5c31\u9700\u8981<strong>\u5c06\u4e3b\u5b58\u5730\u5740\u8f6c\u6362\u4e3aCache\u5b58\u50a8\u5668\u5730\u5740<\/strong>\uff0c\u8fd9\u79cd\u5730\u5740\u7684\u8f6c\u6362\u6210\u4e3a\u5730\u5740\u6620\u50cf\uff0c\u7531<strong>\u786c\u4ef6\u81ea\u52a8\u5b8c\u6210\u6620\u5c04<\/strong>\uff0c\u5206\u4e3a\u4e0b\u5217\u4e09\u79cd\u65b9\u6cd5\uff1a<\/p>\n<h3>\u76f4\u63a5\u6620\u50cf<\/h3>\n<p>\u5c06Cache\u5b58\u50a8\u5668\u7b49\u5206\u6210\u5757\uff0c\u4e3b\u5b58\u4e5f\u7b49\u5206\u6210\u5757\u5e76\u7f16\u53f7\u3002\u4e3b\u5b58\u4e2d\u7684\u5757\u4e0eCache\u4e2d\u7684\u5757\u7684\u5bf9\u5e94\u5173\u7cfb\u5f0f\u56fa\u5b9a\u7684\uff0c\u4e5f\u5373\u4e8c\u8005\u5757\u53f7\u76f8\u540c\u624d\u80fd\u547d\u4e2d\uff0c\u5730\u5740\u53d8\u6362\u7b80\u5355\u4f46\u4e0d\u7075\u6d3b\uff0c\u5bb9\u6613\u9020\u6210\u8d44\u6e90\u6d6a\u8d39\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2024\/04\/st_9.png\" alt=\"\" \/><\/p>\n<h3>\u5168\u76f8\u8054\u6620\u50cf<\/h3>\n<p>\u540c\u6837\u90fd\u7b49\u5206\u6210\u5757\u5e76\u7f16\u53f7\u3002<strong>\u4e3b\u5b58\u4e2d\u4efb\u610f\u4e00\u5757\u90fd\u4e0eCache\u4e2d\u4efb\u610f\u4e00\u5757\u5bf9\u5e94<\/strong>\u3002\u56e0\u6b64<strong>\u53ef\u4ee5\u968f\u610f\u8c03\u5165Cache\u4efb\u610f\u4f4d\u7f6e<\/strong>\uff0c\u4f46\u5730\u5740\u53d8\u6362\u590d\u6742\uff0c\u901f\u5ea6\u8f83\u6162\u3002\u56e0\u4e3a\u4e3b\u5b58\u53ef\u4ee5\u968f\u610f\u8c03\u5165Cache\u4efb\u610f\u5757\uff0c\u53ea\u6709\u5f53Cache\u6ee1\u4e86\u624d\u4f1a\u53d1\u751f\u5757\u51b2\u7a81\uff0c<strong>\u662f\u6700\u4e0d\u5bb9\u6613\u53d1\u751f\u5757\u51b2\u7a81\u7684\u6620\u50cf\u65b9\u5f0f\u3002<\/strong><\/p>\n<h3>\u7ec4\u7ec4\u76f8\u8fde\u6620\u50cf<\/h3>\n<p><strong>\u524d\u4e24\u79cd\u65b9\u5f0f\u7684\u7ed3\u5408<\/strong>\uff0c\u5c06Cache\u5b58\u50a8\u5668\u5148\u5206\u5757\u518d\u5206\u7ec4\uff0c\u4e3b\u5b58\u4e5f\u540c\u6837\u5148\u5206\u5757\u518d\u5206\u7ec4\uff0c<strong>\u7ec4\u95f4\u91c7\u7528\u76f4\u63a5\u6620\u50cf\uff0c\u5373\u5185\u5b58\u4e2d\u7ec4\u53f7\u4e0eCache\u7ec4\u53f7\u76f8\u540c\u7684\u7ec4\u624d\u80fd\u547d\u4e2d\uff0c\u4f46\u662f\u7ec4\u5185\u5168\u76f8\u8fde\u6620\u50cf\uff0c\u4e5f\u5373\u7ec4\u53f7\u76f8\u540c\u7684\u4e24\u4e2a\u7ec4\u5185\u7684\u6240\u6709\u5757\u53ef\u4ee5\u4efb\u610f\u8c03\u6362\u3002<\/strong><\/p>\n<h3>cache\u7684\u66ff\u6362\u7b97\u6cd5<\/h3>\n<p>\u66ff\u6362\u7b97\u6cd5\u7684\u76ee\u6807\u5c31\u662f<strong>\u4f7fCache\u83b7\u5f97\u5c3d\u53ef\u80fd\u9ad8\u7684\u547d\u4e2d\u7387<\/strong>\u3002\u5e38\u7528\u7b97\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u968f\u673a\u66ff\u6362\u7b97\u6cd5<\/strong>\u3002\u5c31\u662f\u7528\u968f\u673a\u6570\u53d1\u751f\u5668\u4ea7\u751f\u4e00\u4e2a\u8981\u66ff\u6362\u7684\u5757\u53f7\uff0c\u5c06\u8be5\u5757\u66ff\u6362\u51fa\u53bb<\/li>\n<li><strong>\u5148\u8fdb\u5148\u51fa\u7b97\u6cd5<\/strong>\uff1a\u5c31\u662f\u5c06\u6700\u5148\u8fdb\u5165Cache\u7684\u4fe1\u606f\u5757\u66ff\u6362\u51fa\u53bb<\/li>\n<li><strong>\u8fd1\u671f\u6700\u5c11\u4f7f\u7528\u7b97\u6cd5<\/strong>\uff1a\u8fd9\u79cd\u65b9\u6cd5\u662f\u5c06\u8fd1\u671f\u6700\u5c11\u4f7f\u7528\u7684Cache\u4e2d\u7684\u4fe1\u606f\u5757\u66ff\u6362\u51fa\u53bb<\/li>\n<li><strong>\u4f18\u5316\u66ff\u6362\u7b97\u6cd5<\/strong>\uff1a\u8fd9\u79cd\u65b9\u6cd5\u5fc5\u987b\u5148\u6267\u884c\u4e00\u6b21\u7a0b\u5e8f\uff0c\u7edf\u8ba1Cache\u7684\u66ff\u6362\u60c5\u51b5\uff0c\u6709\u4e86\u8fd9\u6837\u7684\u5148\u9a8c\u4fe1\u606f\uff0c\u5728\u7b2c\u4e8c\u6b21\u6267\u884c\u8be5\u7a0b\u5e8f\u65f6\u4fbf\u53ef\u4ee5\u7528\u6700\u6709\u6548\u7684\u65b9\u5f0f\u6765\u66ff\u6362\u3002<\/li>\n<\/ul>\n<h3>\u547d\u4e2d\u7387\u53ca\u5e73\u5747\u65f6\u95f4<\/h3>\n<p>Cache\u6709\u4e00\u4e2a\u547d\u4e2d\u7387\u7684\u6982\u5ff5\uff0c\u5373\u5f53CPU\u6240\u8bbf\u95ee\u7684\u6570\u636e\u5728Cache\u65f6\uff0c\u547d\u4e2d\uff0c\u76f4\u63a5\u4eceCache\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u8bbe\u8bfb\u53d6\u4e00\u6b21Cache\u7684\u65f6\u95f4\u4e3a1ns\uff0c\u8bfb\u53d6\u4e00\u6b21\u5185\u5b58\u7684\u65f6\u95f4\u4e3a1000ns\uff0c\u82e5CPU\u5728\u591a\u6b21\u8bfb\u53d6\u6570\u636e\u8fc7\u7a0b\u4e2d\uff0c\u670990%\u547d\u4e2dCache\uff0c\u5219CPU\u8bfb\u53d6\u4e00\u6b21\u7684\u5e73\u5747\u65f6\u95f4\u4e3a\uff0890%*1+10%*1000\uff09ns<\/p>\n<h2>\u78c1\u76d8\u7ed3\u6784\u548c\u53c2\u6570<\/h2>\n<p>\u78c1\u76d8\u6709<strong>\u6b63\u53cd\u4e24\u4e2a\u76d8\u9762\uff0c\u6bcf\u4e2a\u76d8\u9762\u6709\u591a\u4e2a\u540c\u5fc3\u5706\uff0c\u6bcf\u4e2a\u540c\u5fc3\u5706\u662f\u4e00\u4e2a\u78c1\u9053\uff0c\u6bcf\u4e2a\u540c\u5fc3\u5706\u53c8\u88ab\u5212\u5206\u4e3a\u591a\u4e2a\u6247\u533a\uff0c\u6570\u636e\u5c31\u88ab\u5b58\u653e\u5728\u4e00\u4e2a\u4e2a\u6247\u533a\u4e2d\u3002<\/strong><br \/>\n<strong>\u78c1\u5934\u9996\u5148\u8981\u5bfb\u627e\u5230\u5bf9\u5e94\u7684\u78c1\u9053<\/strong>\uff0c\u540e\u7b49\u5f85\u78c1\u76d8\u8fdb\u884c<strong>\u5468\u671f\u65cb\u8f6c\uff0c\u65cb\u8f6c\u5230\u6307\u5b9a\u7684\u6247\u533a\uff0c\u624d\u80fd\u8bfb\u53d6\u5230\u5bf9\u5e94\u7684\u6570\u636e<\/strong>\uff0c\u56e0\u6b64\uff0c\u4f1a\u4ea7\u751f<strong>\u5bfb\u9053\u65f6\u95f4\u548c\u7b49\u5f85\u65f6\u95f4<\/strong>\u3002\u516c\u5f0f\u4e3a\uff1a\u5b58\u53d6\u65f6\u95f4=\u5bfb\u9053\u65f6\u95f4+\u7b49\u5f85\u65f6\u95f4(\u5e73\u5747\u5b9a\u4f4d\u65f6\u95f4+\u8f6c\u52a8\u5ef6\u8fdf)<br \/>\n\u6ce8\u610f\uff1a<strong>\u5bfb\u9053\u65f6\u95f4\u662f\u6307\u78c1\u5934\u79fb\u52a8\u5230\u78c1\u9053\u6240\u9700\u7684\u65f6\u95f4\uff1b\u7b49\u5f85\u65f6\u95f4\u4e3a\u7b49\u5f85\u8bfb\u5199\u7684\u6247\u533a\u8f6c\u5230\u78c1\u5934\u4e0b\u65b9\u6240\u7528\u7684\u65f6\u95f4\u3002<\/strong><\/p>\n<h2>\u78c1\u76d8\u8c03\u5ea6\u7b97\u6cd5<\/h2>\n<p>\u4e4b\u524d\u5df2\u7ecf\u8bf4\u8fc7\uff0c\u78c1\u76d8\u6570\u636e\u7684\u8bfb\u53d6\u65f6\u95f4\u5206\u4e3a\u5bfb\u9053\u65f6\u95f4+\u65cb\u8f6c\u65f6\u95f4\uff0c\u4e5f\u5373\u5148\u627e\u5230\u5bf9\u5e94\u7684\u78c1\u9053\uff0c\u800c\u540e\u518d\u65cb\u8f6c\u5230\u5bf9\u5e94\u7684\u6247\u533a\u624d\u80fd\u8bfb\u53d6\u6570\u636e\uff0c\u5176\u4e2d<strong>\u5bfb\u9053\u65f6\u95f4\u8017\u65f6\u6700\u957f<\/strong>\uff0c\u9700\u8981\u91cd\u70b9\u8c03\u5ea6\uff0c\u6709\u5982\u4e0b\u8c03\u5ea6\u7b97\u6cd5:<\/p>\n<ul>\n<li><strong>\u5148\u6765\u5148\u670d\u52a1FCFS<\/strong>\uff1a\u6839\u636e\u8fdb\u7a0b\u8bf7\u6c42\u8bbf\u95ee\u78c1\u76d8\u7684\u5148\u540e\u987a\u5e8f\u8fdb\u884c\u8c03\u5ea6<\/li>\n<li><strong>\u6700\u77ed\u5bfb\u9053\u65f6\u95f4\u4f18\u5148SSTF<\/strong>\uff1a\u8bf7\u6c42\u8bbf\u95ee\u7684\u78c1\u9053\u4e0e\u5f53\u524d\u78c1\u9053\u6700\u8fd1\u7684\u8fdb\u7a0b\u4f18\u5148\u8c03\u5ea6\uff0c\u4f7f\u5f97\u6bcf\u6b21\u5bfb\u5230\u65f6\u95f4\u6700\u77ed\u3002\u4f1a\u4ea7\u751f\u201c\u9965\u997f\u201d\u73b0\u8c61\uff0c\u5373\u8fdc\u5904\u8fdb\u7a0b\u53ef\u80fd\u6c38\u8fdc\u65e0\u6cd5\u8bbf\u95ee<\/li>\n<li><strong>\u626b\u63cf\u7b97\u6cd5SCAN(\u7ecf\u5178\u8c03\u5ea6\u7b97\u6cd5\uff09<\/strong>\uff1a\u53c8\u79f0\u201c\u7535\u68af\u7b97\u6cd5\u201d\uff0c\u78c1\u5934\u5728\u78c1\u76d8\u4e0a\u53cc\u5411\u79fb\u52a8\uff0c\u5176\u4f1a\u9009\u62e9\u79bb\u78c1\u5934\u5f53\u524d\u6240\u5728\u78c1\u9053\u6700\u8fd1\u7684\u8bf7\u6c42\u8bbf\u95ee\u7684\u78c1\u9053\uff0c\u5e76\u4e14\u4e0e\u78c1\u5934\u7684\u79fb\u52a8\u65b9\u5411\u4e00\u81f4\uff0c\u78c1\u5934\u6c38\u8fdc\u662f\u4ece\u91cc\u5411\u5916\u6216\u4ece\u5916\u5411\u91cc\u4e00\u81f4\u79fb\u52a8\u5b8c\u624d\u6389\u5934\uff0c\u4e0e\u7535\u68af\u7c7b\u4f3c\u3002<\/li>\n<li><strong>\u5355\u5411\u626b\u63cf\u8c03\u5ea6\u7b97\u6cd5CSCAN<\/strong>\uff1a\u4e0eSCAN\u4e0d\u540c\u7684\u662f\uff0c\u53ea\u505a\u5355\u5411\u79fb\u52a8\uff0c\u5373\u53ea\u80fd\u4ece\u91cc\u5411\u5916\u6216\u8005\u4ece\u5916\u5411\u91cc<\/li>\n<\/ul>\n<h1>\u8f93\u5165\u8f93\u51fa\u6280\u672f<\/h1>\n<p>\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u5b58\u5728\u591a\u79cd\u5185\u5b58\u4e0e\u63a5\u53e3\u5730\u5740\u7684\u7f16\u5740\u65b9\u6cd5\uff0c\u5e38\u89c1\u7684\u662f\u4e0b\u9762\u4e24\u79cd:<\/p>\n<h2>\u5185\u5b58\u4e0e\u63a5\u53e3\u5730\u5740\u72ec\u7acb\u7f16\u5740\u65b9\u6cd5<\/h2>\n<p>\u5185\u5b58\u5730\u5740\u548c\u63a5\u53e3\u5730\u5740\u662f<strong>\u5b8c\u5168\u72ec\u7acb\u7684\u4e24\u4e2a\u5730\u5740\u7a7a\u95f4\u3002\u8bbf\u95ee\u6570\u636e\u65f6\u6240\u4f7f\u7528\u7684\u6307\u4ee4\u4e5f\u5b8c\u5168\u4e0d\u540c<\/strong>\uff0c\u7528\u4e8e\u63a5\u53e3\u7684\u6307\u4ee4\u53ea\u7528\u4e8e\u63a5\u53e3\u7684\u8bfb\/\u5199\uff0c\u5176\u4f59\u7684\u6307\u4ee4\u5168\u90fd\u662f\u7528\u4e8e\u5185\u5b58\u7684\u3002\u56e0\u6b64\uff0c\u5728\u7f16\u7a0b\u5e8f\u6216\u8bfb\u7a0b\u5e8f\u65f6\u5f88\u6613\u4f7f\u7528\u548c\u8fa8\u8ba4\u3002\u8fd9\u79cd\u7f16\u5740\u65b9\u6cd5\u7684<strong>\u7f3a\u70b9\u662f\u7528\u4e8e\u63a5\u53e3\u7684\u6307\u4ee4\u592a\u5c11\u3001\u529f\u80fd\u592a\u5f31\u3002<\/strong><\/p>\n<h2>\u5185\u5b58\u4e0e\u63a5\u53e3\u5730\u5740\u7edf\u4e00\u7f16\u5740\u65b9\u6cd5<\/h2>\n<p>\u5185\u5b58\u5730\u5740\u548c\u63a5\u53e3\u5730\u5740<strong>\u7edf\u4e00\u5728\u4e00\u4e2a\u516c\u5171\u7684\u5730\u5740\u7a7a\u95f4\u91cc<\/strong>\uff0c\u5373\u5185\u5b58\u5355\u5143\u548c\u63a5\u53e3<strong>\u5171\u7528\u5730\u5740\u7a7a\u95f4\u3002\u4f18\u70b9\u662f\u539f\u5219\u4e0a\u7528\u4e8e\u5185\u5b58\u7684\u6307\u4ee4\u5168\u90fd\u53ef\u4ee5\u7528\u4e8e\u63a5\u53e3<\/strong>\uff0c\u8fd9\u5c31\u5927\u5927\u5730\u589e\u5f3a\u4e86\u5bf9\u63a5\u53e3\u7684\u64cd\u4f5c\u529f\u80fd\uff0c\u800c\u4e14\u5728\u6307\u4ee4\u4e0a\u4e5f\u4e0d\u518d\u533a\u5206\u5185\u5b58\u6216\u63a5\u53e3\u6307\u4ee4\u3002<strong>\u8be5\u7f16\u5740\u65b9\u6cd5\u7684\u7f3a\u70b9\u5c31\u5728\u4e8e\u6574\u4e2a\u5730\u5740\u7a7a\u95f4\u88ab\u5206\u6210\u4e24\u90e8\u5206<\/strong>\uff0c\u5176\u4e2d\u4e00\u90e8\u5206\u5206\u914d\u7ed9\u63a5\u53e3\u4f7f\u7528\uff0c\u5269\u4f59\u7684\u4e3a\u5185\u5b58\u6240\u7528\uff0c\u8fd9\u7ecf\u5e38\u4f1a\u5bfc\u81f4\u5185\u5b58\u5730\u5740\u4e0d\u8fde\u7eed\u3002<\/p>\n<h2>\u8ba1\u7b97\u673a\u548c\u5916\u8bbe\u95f4\u7684\u6570\u636e\u4ea4\u4e92\u65b9\u5f0f<\/h2>\n<ul>\n<li><strong>\u7a0b\u5e8f\u63a7\u5236\uff08\u67e5\u8be2\uff09\u65b9\u5f0f<\/strong>\uff1aCPU\u4e3b\u52a8\u67e5\u8be2\u5916\u8bbe\u662f\u5426\u5b8c\u6210\u6570\u636e\u4f20\u8f93\uff0c\u6548\u7387\u6781\u4f4e\u3002<\/li>\n<li><strong>\u7a0b\u5e8f\u4e2d\u65ad\u65b9\u5f0f<\/strong>\uff1a\u5916\u8bbe\u5b8c\u6210\u6570\u636e\u4f20\u8f93\u540e\uff0c\u5411CPU\u53d1\u9001\u4e2d\u65ad\uff0c\u7b49\u5f85CPU\u5904\u7406\u6570\u636e\uff0c\u6548\u7387\u76f8\u5bf9\u8f83\u9ad8\u3002<strong>\u4e2d\u65ad\u54cd\u5e94\u65f6\u95f4<\/strong>\u6307\u7684\u662f\u4ece\u53d1\u51fa\u4e2d\u65ad\u8bf7\u6c42\u5230\u5f00\u59cb\u8fdb\u5165\u4e2d\u65ad\u5904\u7406\u7a0b\u5e8f\u3002<strong>\u4e2d\u65ad\u5904\u7406\u65f6\u95f4<\/strong>\u6307\u7684\u662f\u4ece\u4e2d\u65ad\u5904\u7406\u5f00\u59cb\u5230\u4e2d\u65ad\u5904\u7406\u7ed3\u675f\u3002<strong>\u4e2d\u65ad\u5411\u91cf<\/strong>\u63d0\u4f9b\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u7684\u5165\u53e3\u5730\u5740\u3002\u591a\u7ea7\u4e2d\u65ad\u5d4c\u5957\uff0c\u4f7f\u7528\u5806\u6808\u6765\u4fdd\u62a4\u65ad\u70b9\u548c\u73b0\u573a\u3002<\/li>\n<li><strong>DMA\u65b9\u5f0f\uff08\u76f4\u63a5\u4e3b\u5b58\u5b58\u53d6\uff09<\/strong>\uff1aCPU<strong>\u53ea\u9700\u5b8c\u6210\u5fc5\u8981\u7684\u521d\u59cb\u5316\u7b49\u64cd\u4f5c\uff0c\u6570\u636e\u4f20\u8f93\u7684\u6574\u4e2a\u8fc7\u7a0b\u90fd\u7531DMA\u63a7\u5236\u5668\u6765\u5b8c\u6210\uff0c\u5728\u4e3b\u5b58\u548c\u5916\u8bbe\u4e4b\u95f4\u5efa\u7acb\u76f4\u63a5\u7684\u6570\u636e\u901a\u8def<\/strong>\uff0c\u6548\u7387\u5f88\u9ad8<\/li>\n<li><strong>\u5728\u4e00\u4e2a\u603b\u7ebf\u5468\u671f\u7ed3\u675f\u540e\uff0cCPU\u4f1a\u76f8\u5e94DMA\u8bf7\u6c42\u5f00\u59cb\u8bfb\u53d6\u6570\u636e\uff1bCPU\u54cd\u5e94\u7a0b\u5e8f\u4e2d\u65ad\u65b9\u5f0f\u8bf7\u6c42\u662f\u5728\u4e00\u6761\u6307\u4ee4\u6267\u884c\u7ed3\u675f\u65f6\u3002<\/strong><\/li>\n<\/ul>\n<h3>\u4e2d\u65ad\u6d41\u7a0b<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2024\/04\/st_10.jpg\" alt=\"\" \/><\/p>\n<h1>\u603b\u7ebf\u7ed3\u6784<\/h1>\n<p>\u603b\u7ebf(Bus)\u662f\u6307<strong>\u8ba1\u7b97\u673a\u8bbe\u5907\u548c\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u4fe1\u606f\u7684\u516c\u5171\u6570\u636e\u901a\u9053<\/strong>\u3002\u603b\u7ebf\u662f\u8fde\u63a5\u8ba1\u7b97\u673a\u786c\u4ef6\u7cfb\u7edf\u5185\u591a\u79cd\u8bbe\u5907\u7684\u901a\u4fe1\u7ebf\u8def\uff0c\u5b83\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u5f81\u662f<strong>\u7531\u603b\u7ebf\u4e0a\u7684\u6240\u6709\u8bbe\u5907\u5171\u4eab<\/strong>\uff0c\u56e0\u6b64\u53ef\u4ee5\u5c06\u8ba1\u7b97\u673a\u7cfb\u7edf\u5185\u7684\u591a\u79cd\u8bbe\u5907\u8fde\u63a5\u5230\u603b\u7ebf\u4e0a\uff0c<br \/>\n\u4ece\u5e7f\u4e49\u4e0a\u8bb2\uff0c\u4efb\u4f55\u8fde\u63a5\u4e24\u4e2a\u4ee5\u4e0a\u7535\u5b50\u5143\u5668\u4ef6\u7684\u5bfc\u7ebf\u90fd\u53ef\u4ee5\u79f0\u4e3a\u603b\u7ebf\uff0c\u901a\u5e38\u5206\u4e3a\u4ee5\u4e0b\u4e09\u7c7b:<\/p>\n<ul>\n<li><strong>\u5185\u90e8\u603b\u7ebf<\/strong>:\u5185\u90e8\u82af\u7247\u7ea7\u522b\u7684\u603b\u7ebf\uff0c\u82af\u7247\u4e0e\u5904\u7406\u5668\u4e4b\u95f4\u901a\u4fe1\u7684\u603b\u7ebf\u3002<\/li>\n<li><strong>\u7cfb\u7edf\u603b\u7ebf<\/strong>:\u662f\u677f\u7ea7\u603b\u7ebf\uff0c\u7528\u4e8e\u8ba1\u7b97\u673a\u5185\u5404\u90e8\u5206\u4e4b\u95f4\u7684\u8fde\u63a5\uff0c<strong>\u5177\u4f53\u5206\u4e3a\u6570\u636e\u603b\u7ebf(\u5e76\u884c\u6570\u636e\u4f20\u8f93\u4f4d\u6570 64\u4f4d\/32\u4f4d )\u3001\u5730\u5740\u603b\u7ebf(\u7cfb\u7edf\u53ef\u7ba1\u7406\u7684\u5185\u5b58\u7a7a\u95f4\u7684\u5927\u5c0f)\u3001\u63a7\u5236\u603b\u7ebf(\u4f20\u9001\u63a7\u5236\u547d\u4ee4)<\/strong>\u3002\u4ee3\u8868\u7684\u6709ISA\u603b\u7ebf\u3001EISA\u603b\u7ebf\u3001PCI\u603b\u7ebf\u3002<\/li>\n<li><strong>\u5916\u90e8\u603b\u7ebf<\/strong>:\u8bbe\u5907\u4e00\u7ea7\u7684\u603b\u7ebf\uff0c\u5fae\u673a\u548c\u5916\u90e8\u8bbe\u5907\u7684\u603b\u7ebf\u3002\u4ee3\u8868\u7684\u6709RS232(\u4e32\u884c\u603b\u7ebf)\u3001SCSI(\u5e76\u884c\u603b\u7ebf)\u3001USB(\u901a\u7528\u4e32\u884c\u603b\u7ebf\uff0c\u5373\u63d2\u5373\u7528\uff0c\u652f\u6301\u70ed\u63d2\u62d4)\u3002<\/li>\n<\/ul>\n<h1>\u8ba1\u7b97\u673a\u53ef\u9760\u6027<\/h1>\n<h2>\u53ef\u9760\u6027\u6307\u6807<\/h2>\n<ul>\n<li>\u5e73\u5747\u65e0\u6545\u969c\u65f6\u95f4\uff1aMTTF=1\/\u5931\u6548\u7387<\/li>\n<li>\u5e73\u5747\u6545\u969c\u4fee\u590d\u65f6\u95f4\uff1aMTTR=1\/\u4fee\u590d\u7387<\/li>\n<li>\u5e73\u5747\u6545\u969c\u95f4\u9694\u65f6\u95f4MTBF=MTTF+MTTR<\/li>\n<li>\u7cfb\u7edf\u53ef\u7528\u6027\uff1aMTTF\/(MTTF+MTTR)*100%<\/li>\n<\/ul>\n<h2>\u4e32\u5e76\u8054\u7cfb\u7edf\u53ef\u9760\u6027<\/h2>\n<p>\u65e0\u8bba\u4ec0\u4e48\u7cfb\u7edf\uff0c\u90fd\u662f\u7531\u591a\u4e2a\u8bbe\u5907\u7ec4\u6210\u7684\uff0c\u534f\u540c\u5de5\u4f5c\uff0c\u800c\u8fd9\u591a\u4e2a\u8bbe\u5907\u7684\u7ec4\u5408\u65b9\u5f0f\u53ef\u4ee5\u662f\u4e32\u8054\u3001\u5e76\u8054\u4e5f\u53ef\u4ee5\u662f\u6df7\u5408\u6a21\u5f0f\uff0c\u5047\u8bbe\u6bcf\u4e2a\u8bbe\u5907\u7684\u53ef\u9760\u6027\u4e3aR1,R2,....Rn\uff0c\u5219\u4e0d\u540c\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u516c\u793a\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u4e32\u8054\u7cfb\u7edf\uff1a\u4e00\u4e2a\u8bbe\u5907\u4e0d\u53ef\u9760\uff0c\u6574\u4e2a\u8bbe\u5907\u5d29\u6e83\uff0c\u6574\u4e2a\u7cfb\u7edf\u7684\u53ef\u9760\u6027\uff1aR=R1*R2*...*Rn<\/li>\n<li>\u5e76\u8054\u7cfb\u7edf\uff1a\u6240\u6709\u8bbe\u5907\u90fd\u4e0d\u53ef\u9760\uff0c\u6574\u4e2a\u7cfb\u7edf\u624d\u5d29\u6e83\uff0c\u7cfb\u7edf\u53ef\u9760\u6027\uff1aR=1-\uff081-R1\uff09*(1-R2)*...*(1-Rn)<\/li>\n<li>N\u6a21\u5197\u4f59\u7cfb\u7edf\uff1aN\u6a21\u5197\u4f59\u7cfb\u7edf\u6709N\u4e2a\uff08N=2n+1\uff09\u76f8\u540c\u7684\u5b50\u7cfb\u7edf\u548c\u4e00\u4e2a\u8868\u51b3\u5668\u7ec4\u6210\uff0c\u8868\u51b3\u5668\u628aN\u4e2a\u5b50\u7cfb\u7edf\u4e2d\u5360\u591a\u6570\u76f8\u540c\u7ed3\u679c\u6216\u7684\u8f93\u51fa\u4f5c\u4e3a\u8f93\u51fa\u7cfb\u7edf\u7684\u8f93\u51fa\u3002\u5728N\u4e2a\u5b50\u7cfb\u7edf\u91cd\uff0c\u53ea\u8981\u6709n+1\u4e2a\u6216\u8005n+1\u4e2a\u4ee5\u4e0a\u7684\u5b50\u7cfb\u7edf\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\uff0c\u7cfb\u7edf\u5c31\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8ba1\u7b97\u673a\u786c\u4ef6\u7ec4\u6210 \u8ba1\u7b97\u673a\u7684\u57fa\u672c\u786c\u4ef6\u7cfb\u7edf\u7531\u8fd0\u7b97\u5668\u3001\u63a7\u5236\u5668\u3001\u5b58\u50a8\u5668\u3001\u8f93\u5165\u8bbe\u5907\u548c\u8f93\u51fa\u8bbe\u5907\u4e94\u5927\u90e8\u4ef6\u7ec4\u6210\u3002 \u8fd0\u7b97\u5668\u3001\u63a7\u5236\u5668\u7b49\u90e8\u4ef6\u88ab\u96c6\u6210\u5728\u4e00\u8d77\u7edf &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[50,41],"tags":[],"class_list":["post-719","post","type-post","status-publish","format-standard","hentry","category-software_engineering_exam","category-learning_note"],"_links":{"self":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts\/719","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/comments?post=719"}],"version-history":[{"count":10,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts\/719\/revisions"}],"predecessor-version":[{"id":888,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts\/719\/revisions\/888"}],"wp:attachment":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/media?parent=719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/categories?post=719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/tags?post=719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}