{"id":1401,"date":"2021-05-21T16:04:43","date_gmt":"2021-05-21T08:04:43","guid":{"rendered":"http:\/\/mgspace.wiki\/docs\/?post_type=docs&#038;p=1401"},"modified":"2021-05-26T10:29:05","modified_gmt":"2021-05-26T02:29:05","slug":"cpu%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"docs","link":"http:\/\/mgspace.wiki\/docs\/?docs=cpu%e6%98%af%e4%bb%80%e4%b9%88","title":{"rendered":"CPU\u662f\u4ec0\u4e48"},"content":{"rendered":"\n<p>CPU \u7684\u5168\u79f0\u662f \u00a0Central Processing Unit ,\u5b83\u662f\u4f60\u7684\u7535\u8111\u4e2d\u6700\u786c\u6838\u7684\u7ec4\u4ef6,\u8fd9\u79cd\u8bf4\u6cd5\u4e00\u70b9\u4e0d\u4e3a<\/p>\n\n\n\n<p>\u8fc7\u3002CPU \u662f\u80fd\u591f\u8ba9\u4f60\u7684\u8ba1\u7b97\u673a\u53eb \u8ba1\u7b97\u673a \u7684\u6838\u5fc3\u7ec4\u4ef6,\u4f46\u662f\u5b83\u5374\u4e0d\u80fd\u4ee3\u8868\u4f60\u7684\u7535\u8111,CPU \u4e0e\u8ba1\u7b97\u673a\u7684\u5173\u7cfb\u5c31\u76f8\u5f53\u4e8e\u5927\u8111\u548c\u4eba\u7684\u5173\u7cfb\u3002\u5b83\u662f\u4e00\u79cd\u5c0f\u578b\u7684\u8ba1\u7b97\u673a\u82af\u7247,\u5b83\u5d4c\u5165\u5728\u53f0\u5f0f\u673a\u3001\u7b14\u8bb0\u672c\u7535\u8111\u6216\u8005\u5e73\u677f\u7535\u8111\u7684\u4e3b\u677f\u4e0a\u3002\u901a\u8fc7\u5728\u5355\u4e2a\u8ba1\u7b97\u673a\u82af\u7247\u4e0a\u653e\u7f6e\u6570\u5341\u4ebf\u4e2a\u5fae\u578b\u6676\u4f53\u7ba1\u6765\u6784\u5efa CPU\u3002 \u8fd9\u4e9b\u6676\u4f53\u7ba1\u4f7f\u5b83\u80fd\u591f\u6267\u884c\u8fd0\u884c\u5b58\u50a8\u5728\u7cfb\u7edf\u5185\u5b58\u4e2d\u7684\u7a0b\u5e8f\u6240\u1d71\u7684\u8ba1\u7b97,\u4e5f\u5c31\u662f\u8bf4 CPU \u51b3\u5b9a\u4e86\u4f60\u7535\u8111\u7684\u8ba1\u7b97\u80fd\u529b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"630\" height=\"418\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-3.png\" alt=\"\" class=\"wp-image-1402\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-3.png 630w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-3-500x332.png 500w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><br>CPU \u5b9e\u9645\u505a\u4ec0\u4e48<\/h2>\n\n\n\n<p>CPU \u7684\u6838\u5fc3\u662f\u4ece\u7a0b\u5e8f\u6216\u5e94\u7528\u7a0b\u5e8f\u83b7\u53d6\u6307\u4ee4\u5e76\u6267\u884c\u8ba1\u7b97\u3002\u6b64\u8fc7\u7a0b\u53ef\u4ee5\u5206\u4e3a\u4e09\u4e2a\u5173\u952e\u9636\u6bb5:<strong>\u63d0\u53d6,\u89e3\u7801\u548c\u6267\u884c<\/strong>\u3002CPU\u4ece\u7cfb\u7edf\u7684 RAM \u4e2d\u63d0\u53d6\u6307\u4ee4,\u7136\u540e\u89e3\u7801\u8be5\u6307\u4ee4\u7684\u5b9e\u9645\u5185\u5bb9,\u7136\u540e\u518d\u7531 CPU \u7684\u76f8\u5173\u90e8\u5206\u6267\u884c\u8be5\u6307\u4ee4\u3002<\/p>\n\n\n\n<p><span class=\"has-inline-color has-medium-brown-color\">RAM : \u968f\u673a\u5b58\u53d6\u5b58\u50a8\u5668(\u82f1\u8bed:Random Access Memory,\u7f29\u5199: <em>RAM <\/em>),\u4e5f\u53eb\u4e3b\u5b58,\u662f\u4e0eCPU\u00a0\u00a0\u00a0 \u76f4\u63a5\u4ea4\u6362\u6570\u636e\u7684\u5185\u90e8\u5b58\u50a8\u5668\u3002\u5b83\u53ef\u4ee5\u968f\u65f6\u8bfb\u5199(\u5237\u65b0\u65f6\u9664\u5916),\u800c\u4e14\u901f\u5ea6\u5f88\u5feb,\u901a\u5e38\u4f5c\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u6216\u5176\u4ed6\u6b63\u5728\u8fd0\u884c\u4e2d\u7684\u7a0b\u5e8f\u7684<strong>\u4e34\u65f6\u6570\u636e\u5b58\u50a8\u4ecb\u8d28<\/strong><\/span><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><br>CPU \u7684\u5185\u90e8\u7ed3\u6784<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"612\" height=\"372\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-4.png\" alt=\"\" class=\"wp-image-1403\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-4.png 612w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-4-500x304.png 500w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<p>\u7a0b\u5e8f\u7f16\u8bd1\u6267\u884c\u7684\u8fc7\u7a0b<\/p>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u6d41\u7a0b\u4e2d,CPU \u8d1f\u8d23\u7684\u5c31\u662f\u89e3\u91ca\u548c\u8fd0\u884c\u6700\u7ec8\u8f6c\u6362\u6210\u673a\u5668\u8bed\u8a00\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>CPU \u4e3b\u8981\u7531\u4e24\u90e8\u5206\u6784\u6210:\u00a0<strong><span class=\"has-inline-color has-bright-red-color\">\u63a7\u5236\u5355\u5143<\/span><\/strong>\u548c<span class=\"has-inline-color has-bright-red-color\">\u7b97\u672f\u903b\u8f91\u5355\u5143\uff08ALU\uff09<\/span><\/p>\n\n\n\n<p>\u63a7\u5236\u5355\u5143:\u4ece\u5185\u5b58\u4e2d\u63d0\u53d6\u6307\u4ee4\u5e76\u89e3\u7801\u6267\u884c <\/p>\n\n\n\n<p>\u7b97\u6570\u903b\u8f91\u5355\u5143(ALU):\u5904\u7406\u7b97\u6570\u548c\u903b\u8f91\u8fd0\u7b97<\/p>\n\n\n\n<p>CPU \u662f\u8ba1\u7b97\u673a\u7684\u5fc3\u810f\u548c\u5927\u8111,\u5b83\u548c\u5185\u5b58\u90fd\u662f\u7531\u8bb8\u591a\u6676\u4f53\u7ba1\u7ec4\u6210\u7684\u7535\u5b50\u90e8\u4ef6\u3002\u5b83\u63a5\u6536\u6570\u636e\u8f93\u5165,\u6267\u884c\u6307\u4ee4\u5e76\u5904\u7406\u4fe1\u606f\u3002\u5b83\u4e0e\u8f93\u5165\/\u8f93\u51fa(I \/ O)\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1,\u8fd9\u4e9b\u8bbe\u5907\u5411 CPU \u53d1\u9001\u6570\u636e\u548c\u4ece CPU \u63a5\u6536\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u4ece\u529f\u80fd\u6765\u770b,CPU \u7684\u5185\u90e8\u7531<strong>\u5bc4\u5b58\u5668\u3001\u63a7\u5236\u5668\u3001\u8fd0\u7b97\u5668\u548c\u65f6\u949f<\/strong>\u56db\u90e8\u5206\u7ec4\u6210,\u5404\u90e8\u5206\u4e4b\u95f4\u901a\u8fc7\u7535\u4fe1\u53f7\u8fde\u901a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"568\" height=\"252\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-5.png\" alt=\"\" class=\"wp-image-1404\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-5.png 568w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-5-500x222.png 500w\" sizes=\"auto, (max-width: 568px) 85vw, 568px\" \/><\/figure>\n\n\n\n<p>CPU \u5185\u90e8\u7ed3\u6784\u56fe<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"7\" src=\"\"><strong><span class=\"has-inline-color has-bright-red-color\">\u5bc4\u5b58\u5668<\/span><\/strong>\u662f\u4e2d\u592e\u5904\u7406\u5668\u5185\u7684\u7ec4\u6210\u90e8\u5206\u3002\u5b83\u4eec\u53ef\u4ee5\u7528\u6765\u6682\u5b58\u6307\u4ee4\u3001\u6570\u636e\u548c\u5730\u5740\u3002\u53ef\u4ee5\u5c06\u5176\u770b\u4f5c\u662f\u5185\u5b58\u00a0 \u7684\u4e00\u79cd\u3002\u6839\u636e\u79cd\u7c7b\u7684\u4e0d\u540c,\u4e00\u4e2a CPU \u5185\u90e8\u4f1a\u6709 20 &#8211; 100\u4e2a\u5bc4\u5b58\u5668\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"8\" src=\"\"><strong><span class=\"has-inline-color has-bright-red-color\">\u63a7\u5236\u5668 <\/span><\/strong>\u8d1f\u8d23\u628a\u5185\u5b58\u4e0a\u7684\u6307\u4ee4\u3001\u6570\u636e\u8bfb\u5165\u5bc4\u5b58\u5668,\u5e76\u6839\u636e\u6307\u4ee4\u7684\u7ed3\u679c\u63a7\u5236\u8ba1\u7b97\u673a<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"8\" src=\"\"><strong><span class=\"has-inline-color has-bright-red-color\">\u8fd0\u7b97\u5668 <\/span><\/strong>\u8d1f\u8d23\u8fd0\u7b97\u4ece\u5185\u5b58\u4e2d\u8bfb\u5165\u5bc4\u5b58\u5668\u7684\u6570\u636e<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"7\" src=\"\"><strong><span class=\"has-inline-color has-bright-red-color\">\u65f6\u949f <\/span><\/strong>\u8d1f\u8d23\u53d1\u51fa CPU \u5f00\u59cb\u8ba1\u65f6\u7684\u65f6\u949f\u4fe1\u53f7<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\u7b80\u5355\u89e3\u91ca\u4e00\u4e0b\u5185\u5b58,\u4e3a\u4ec0\u4e48\u8bf4 CPU \u1d71\u8981\u8bb2\u4e00\u4e0b\u5185\u5b58\u5462,\u56e0\u4e3a\u5185\u5b58\u662f\u4e0e CPU \u8fdb\u884c\u6c9f\u901a\u7684\u6865\u6881\u3002<\/p>\n\n\n\n<p>\u8ba1\u7b97\u673a\u6240\u6709\u7a0b\u5e8f\u7684\u8fd0\u884c\u90fd\u662f\u5728\u5185\u5b58\u4e2d\u8fd0\u884c\u7684,\u5185\u5b58\u53c8\u88ab\u79f0\u4e3a\u00a0\u00a0\u00a0\u00a0\u00a0 ,\u5176\u4f5c\u7528\u662f\u5b58\u653e CPU \u4e2d\u7684\u8fd0\u7b97\u6570<\/p>\n\n\n\n<p>\u636e,\u4ee5\u53ca\u4e0e\u786c\u76d8\u7b49\u5916\u90e8\u5b58\u50a8\u8bbe\u5907\u4ea4\u6362\u7684\u6570\u636e\u3002\u53ea\u8981\u8ba1\u7b97\u673a\u5728\u8fd0\u884c\u4e2d,CPU \u5c31\u4f1a\u628a\u1d71\u8981\u8fd0\u7b97\u7684\u6570\u636e\u8c03\u5230\u4e3b\u5b58\u4e2d\u8fdb\u884c\u8fd0\u7b97,\u5f53\u8fd0\u7b97\u5b8c\u6210\u540eCPU\u518d\u5c06\u7ed3\u679c\u4f20\u9001\u51fa\u6765,\u4e3b\u5b58\u7684\u8fd0\u884c\u4e5f\u51b3\u5b9a\u4e86\u8ba1\u7b97\u673a\u7684\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u4e3b\u5b58\u901a\u8fc7\u63a7\u5236\u82af\u7247\u4e0e CPU \u8fdb\u884c\u76f8\u8fde,\u7531\u53ef\u8bfb\u5199\u7684\u5143\u7d20\u6784\u6210,\u6bcf\u4e2a\u5b57\u8282(1 byte = 8 bits)\u90fd\u5e26\u6709\u4e00\u4e2a\u5730\u5740\u7f16\u53f7,<strong>\u6ce8\u610f\u662f\u4e00\u4e2a\u5b57\u8282,\u800c\u4e0d\u662f\u4e00\u4e2a\u4f4d<\/strong>\u3002CPU\u00a0\u00a0\u00a0 \u901a\u8fc7\u5730\u5740\u4ece\u4e3b\u5b58\u4e2d\u8bfb\u53d6\u6570\u636e\u548c\u6307\u4ee4,\u4e5f\u53ef\u4ee5\u6839\u636e\u5730\u5740 \u5199\u5165\u6570\u636e\u3002\u6ce8\u610f\u4e00\u70b9:\u5f53\u8ba1\u7b97\u673a\u5173\u673a\u65f6,\u5185\u5b58\u4e2d\u7684\u6307\u4ee4\u548c\u6570\u636e\u4e5f\u4f1a\u88ab\u6e05\u9664\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7a0b\u5e8f\u600e\u4e48\u987a\u5e8f\u6267\u884c&#8211;\u7a0b\u5e8f\u8ba1\u6570\u5668<\/h2>\n\n\n\n<p>\u7a0b\u5e8f\u8ba1\u6570\u5668(Program Counter)<\/p>\n\n\n\n<p>\u662f\u7528\u6765\u5b58\u50a8\u4e0b\u4e00\u6761\u6307\u4ee4\u6240\u5728\u5355\u5143\u7684\u5730\u5740\u3002<\/p>\n\n\n\n<p>\u7a0b\u5e8f\u6267\u884c\u65f6,PC\u7684\u521d\u4e3a\u7a0b\u5e8f\u7b2c\u4e00\u6761\u6307\u4ee4\u7684\u5730\u5740,\u5728\u7a0b\u5e8f\u6267\u884c\u7a0b\u5e8f\u65f6,\u5148\u6309\u7a0b\u5e8f\u8ba1\u6570\u5668\u6240\u6307<\/p>\n\n\n\n<p>\u51fa\u7684\u6307\u4ee4\u5730\u5740\u4ece\u5185\u5b58\u4e2d\u53d6\u51fa\u4e00\u6761\u6307\u4ee4,\u7136\u540e\u5206\u6790\u548c\u6267\u884c\u8be5\u6307\u4ee4,\u540c\u65f6\u5c06PC\u7684\u52a01\u6307\u5411\u4e0b\u4e00\u6761\u8981\u6267\u884c\u7684\u6307\u4ee4<\/p>\n\n\n\n<p>\u6211\u4eec\u8fd8\u662f\u4ee5\u4e00\u4e2a\u4e8b\u4f8b\u4e3a\u51c6\u6765\u8be6\u7ec6\u7684\u770b\u4e00\u4e0b\u7a0b\u5e8f\u8ba1\u6570\u5668\u7684\u6267\u884c\u8fc7\u7a0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"582\" height=\"404\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-6.png\" alt=\"\" class=\"wp-image-1405\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-6.png 582w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-6-500x347.png 500w\" sizes=\"auto, (max-width: 582px) 85vw, 582px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u662f\u4e00\u6bb5\u8fdb\u884c\u76f8\u52a0\u7684\u64cd\u4f5c,\u7a0b\u5e8f\u542f\u52a8,\u5728\u7ecf\u8fc7\u7f16\u8bd1\u89e3\u6790\u540e\u4f1a\u7531\u64cd\u4f5c\u7cfb\u7edf\u628a\u786c\u76d8\u4e2d\u7684\u7a0b\u5e8f\u590d\u5236\u5230\u5185\u5b58\u4e2d, \u793a\u4f8b\u4e2d\u7684\u7a0b\u5e8f\u662f\u5c06 123 \u548c 456 \u6267\u884c\u76f8\u52a0\u64cd\u4f5c,\u5e76\u5c06\u7ed3\u679c\u8f93\u51fa\u5230\u663e\u793a\u5668\u4e0a\u3002\u7531\u4e8e\u4f7f\u7528\u673a\u5668\u8bed\u8a00\u1d59\u4ee5\u63cf\u8ff0,\u6240\u4ee5\u8fd9\u662f\u7ecf\u8fc7\u7ffb\u8bd1\u540e\u7684\u7ed3\u679c,\u5b9e\u9645\u4e0a\u6bcf\u4e2a\u6307\u4ee4\u548c\u6570\u636e\u90fd\u53ef\u80fd\u5206\u5e03\u5728\u4e0d\u540c\u7684\u5730\u5740\u4e0a,\u4f46\u4e3a\u4e86\u65b9\u4fbf\u8bf4&nbsp;&nbsp; \u660e,\u628a\u7ec4\u6210\u4e00\u6761\u6307\u4ee4\u7684\u5185\u5b58\u548c\u6570\u636e\u653e\u5728\u4e86\u4e00\u4e2a\u5185\u5b58\u5730\u5740\u4e0a\u3002<\/p>\n\n\n\n<p>    \u5730\u57400100\u662f\u7a0b\u5e8f\u8fd0\u884c\u7684\u8d77\u59cb\u4f4d\u7f6e\u3002Windows \u7b49\u64cd\u4f5c\u7cfb\u7edf\u628a\u7a0b\u5e8f\u4ece\u786c\u76d8\u590d\u5236\u5230\u5185\u5b58\u540e,\u4f1a\u5c06\u7a0b\u5e8f\u8ba1\u6570<\/p>\n\n\n\n<p>\u5668\u4f5c\u4e3a\u8bbe\u5b9a\u4e3a\u8d77\u59cb\u4f4d\u7f6e\u00a0 0100,\u7136\u540e\u6267\u884c\u7a0b\u5e8f,\u6bcf\u6267\u884c\u4e00\u6761\u6307\u4ee4\u540e,\u7a0b\u5e8f\u8ba1\u6570\u5668\u7684\u6570\u4f1a\u589e\u52a01(\u6216\u8005\u76f4\u63a5\u6307\u5411\u4e0b\u4e00\u6761\u6307\u4ee4\u7684\u5730\u5740),\u7136\u540e,CPU\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5c31\u4f1a\u6839\u636e\u7a0b\u5e8f\u8ba1\u6570\u5668\u7684\u6570,\u4ece\u5185\u5b58\u4e2d\u8bfb\u53d6\u547d\u4ee4\u5e76\u6267\u884c,\u4e5f\u5c31\u662f\u8bf4,<strong>\u7a0b\u5e8f\u8ba1\u6570\u5668\u63a7\u5236\u7740\u7a0b\u5e8f\u7684\u6d41\u7a0b<\/strong>\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6761\u4ef6\u5206\u652f\u548c\u5faa\u73af\u673a\u5236<\/h2>\n\n\n\n<p>\u6211\u4eec\u90fd\u5b66\u8fc7\u9ad8\u7ea7\u8bed\u8a00,\u9ad8\u7ea7\u8bed\u8a00\u4e2d\u7684\u6761\u4ef6\u63a7\u5236\u6d41\u7a0b\u4e3b\u8981\u5206\u4e3a\u4e09\u79cd:\u00a0\u00a0\u00a0\u00a0\u987a\u5e8f\u6267\u884c\u3001\u6761\u4ef6\u5206\u652f\u3001\u5faa\u73af\u5224\u65ad\u4e09\u79cd,\u7a0b\u5e8f\u6267\u884c\u662f\u6309\u7167\u5730\u5740\u7684\u5185\u5bb9\u7a0b\u5e8f\u7684\u6267\u884c\u6307\u4ee4\u3002\u6761\u4ef6\u5206\u652f\u662f\u6839\u636e\u6761\u4ef6\u6267\u884c\u4efb\u610f\u5730\u5740\u7684\u6307\u4ee4\u3002\u5faa\u73af\u662f\u91cd\u590d\u6267\u884c\u540c\u4e00\u5730\u5740\u7684\u6307\u4ee4\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"8\" src=\"\">\u7a0b\u5e8f\u6267\u884c\u7684\u60c5\u51b5\u6bd4\u8f83\u7b80\u5355,\u6bcf\u6267\u884c\u4e00\u6761\u6307\u4ee4\u7a0b\u5e8f\u8ba1\u6570\u5668\u7684\u5c31\u662f + 1\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"7\" src=\"\">\u6761\u4ef6\u548c\u5faa\u73af\u5206\u652f\u4f1a\u4f7f\u7a0b\u5e8f\u8ba1\u6570\u5668\u7684\u6307\u5411\u4efb\u610f\u7684\u5730\u5740,\u8fd9\u6837\u4e00\u6765,\u7a0b\u5e8f\u4fbf\u53ef\u4ee5\u8fd4\u56de\u5230\u4e0a\u4e00\u4e2a\u5730\u5740\u6765\u91cd\u590d\u6267\u884c\u540c\u4e00\u4e2a\u6307\u4ee4,\u6216\u8005\u8df3\u8f6c\u5230\u4efb\u610f\u6307\u4ee4\u3002<\/p>\n\n\n\n<p>\u4e0b\u4ee5\u6761\u4ef6\u5206\u652f\u4e3a\u4f8b\u6765\u8bf4\u660e\u7a0b\u5e8f\u7684\u6267\u884c\u8fc7\u7a0b(\u5faa\u73af\u4e5f\u5f88\u76f8\u4f3c)<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"577\" height=\"384\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-7.png\" alt=\"\" class=\"wp-image-1407\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-7.png 577w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-7-500x333.png 500w\" sizes=\"auto, (max-width: 577px) 85vw, 577px\" \/><\/figure>\n\n\n\n<p>\u6761\u4ef6\u5faa\u73af\u7684\u6267\u884c\u6d41\u7a0b<\/p>\n\n\n\n<p>           \u7a0b\u5e8f\u7684\u5f00\u59cb\u8fc7\u7a0b\u548c\u7a0b\u5e8f\u6d41\u7a0b\u662f\u4e00\u6837\u7684,CPU \u4ece0100\u5904\u5f00\u59cb\u6267\u884c\u547d\u4ee4,\u57280100\u548c0101\u90fd\u662f\u1db2\u5e8f\u6267\u884c, PC \u7684\u7a0b\u5e8f+1,\u6267\u884c\u52300102\u5730\u5740\u7684\u6307\u4ee4\u65f6,\u5224\u65ad0106\u5bc4\u5b58\u5668\u7684\u6570\u5927\u4e8e0,\u8df3\u8f6c(jump)\u52300104\u5730\u5740\u7684\u6307\u4ee4,\u5c06\u6570\u8f93\u51fa\u5230\u663e\u793a\u5668\u4e2d,\u7136\u540e\u7ed3\u675f\u7a0b\u5e8f,0103 \u7684\u6307\u4ee4\u88ab\u8df3\u8fc7\u4e86,\u8fd9\u5c31\u548c\u6211\u4eec\u7a0b\u5e8f\u4e2d\u7684<\/p>\n\n\n\n<p>\u5224\u65ad\u662f\u4e00\u6837\u7684,\u5728\u4e0d\u6ee1\u8db3\u6761\u4ef6\u7684\u60c5\u51b5\u4e0b,\u6307\u4ee4\u4f1a\u76f4\u63a5\u8df3\u8fc7\u3002\u6240\u4ee5 PC \u7684\u6267\u884c\u8fc7\u7a0b\u4e5f\u5c31\u6ca1\u6709\u76f4\u63a5+1,\u800c\u662f\u4e0b\u4e00\u6761\u6307\u4ee4\u7684\u5730\u5740\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u51fd\u6570\u8c03\u7528\u673a\u5236<\/h2>\n\n\n\n<p>\u63a5\u4e0b\u6765,\u6211\u4eec\u7ee7\u7eed\u4ecb\u7ecd\u51fd\u6570\u8c03\u7528\u673a\u5236,\u54ea\u6015\u662f\u9ad8\u7ea7\u8bed\u8a00\u7f16\u5199\u7684\u7a0b\u5e8f,\u51fd\u6570\u8c03\u7528\u5904\u7406\u4e5f\u662f\u901a\u8fc7\u628a\u7a0b\u5e8f\u8ba1\u6570 \u5668\u7684\u8bbe\u5b9a\u6210\u51fd\u6570\u7684\u5b58\u50a8\u5730\u5740\u6765\u5b9e\u73b0\u7684\u3002\u51fd\u6570\u6267\u884c\u8df3\u8f6c\u6307\u4ee4\u540e,\u5fc5\u8fdb\u884c\u8fd4\u56de\u5904\u7406,\u5355\u7eaf\u7684\u6307\u4ee4\u8df3\u8f6c\u6ca1\u6709\u610f\u4e49,\u4e0b\u662f\u4e00\u4e2a\u5b9e\u73b0\u51fd\u6570\u8df3\u8f6c\u7684\u4f8b\u5b50<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"557\" height=\"382\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-8.png\" alt=\"\" class=\"wp-image-1408\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-8.png 557w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-8-500x343.png 500w\" sizes=\"auto, (max-width: 557px) 85vw, 557px\" \/><\/figure>\n\n\n\n<p>\u7a0b\u5e8f\u8c03\u7528\u793a\u610f\u56fe<\/p>\n\n\n\n<p>\u56fe\u4e2d\u5c06\u53d8\u91cf a \u548c b \u5206\u522b\u8d4b\ua9ca\u4e3a 123 \u548c 456 ,\u8c03\u7528 MyFun(a,b) \u65b9\u6cd5,\u8fdb\u884c\u6307\u4ee4\u8df3\u8f6c\u3002\u56fe\u4e2d\u7684\u5730\u5740\u662f\u5c06C \u8bed\u8a00\u7f16\u8bd1\u6210\u673a\u5668\u8bed\u8a00\u540e\u8fd0\u884c\u65f6\u7684\u5730\u5740,\u7531\u4e8e1\u884c C \u7a0b\u5e8f\u5728\u7f16\u8bd1\u540e\u901a\u5e38\u4f1a\u53d8\u4e3a\u591a\u884c\u673a\u5668\u8bed\u8a00,\u6240\u4ee5\u56fe\u4e2d\u7684\u5730\u5740\u662f\u5206\u6563\u7684\u3002\u5728\u6267\u884c\u5b8c MyFun(a,b)\u6307\u4ee4\u540e,\u7a0b\u5e8f\u4f1a\u8fd4\u56de\u5230 MyFun(a,b) \u7684\u4e0b\u4e00\u6761\u6307\u4ee4,CPU \u7ee7\u7eed\u6267\u884c\u4e0b\u1d8e\u7684\u6307\u4ee4\u3002<\/p>\n\n\n\n<p>           \u51fd\u6570\u7684\u8c03\u7528\u548c\u8fd4\u56de\u5f88\u91cd\u8981\u7684\u4e24\u4e2a\u6307\u4ee4\u662f\u00a0\u00a0\u00a0<strong><span class=\"has-inline-color has-bright-red-color\">call\u00a0\u00a0\u00a0 <\/span><\/strong>\u548c\u00a0\u00a0\u00a0<strong><span class=\"has-inline-color has-bright-red-color\">return\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/strong>\u6307\u4ee4,\u518d\u5c06\u51fd\u6570\u7684\u5165\u53e3\u5730\u5740\u8bbe\u5b9a\u5230\u7a0b\u5e8f\u8ba1<\/p>\n\n\n\n<p>\u6570\u5668\u4e4b\u524d,call\u00a0 \u6307\u4ee4\u4f1a\u628a\u8c03\u7528\u51fd\u6570\u540e\u8981\u6267\u884c\u7684\u6307\u4ee4\u5730\u5740\u5b58\u50a8\u5728\u540d\u4e3a\u6808\u7684\u4e3b\u5b58\u5185\u3002\u51fd\u6570\u5904\u7406\u5b8c\u6bd5\u540e,\u518d\u901a\u8fc7\u51fd\u6570\u7684\u51fa\u53e3\u6765\u6267\u884c return \u6307\u4ee4\u3002return \u6307\u4ee4\u7684\u529f\u80fd\u662f\u628a\u4fdd\u5b58\u5728\u6808\u4e2d\u7684\u5730\u5740\u8bbe\u5b9a\u5230\u7a0b\u5e8f\u8ba1\u6570\u5668\u3002MyFun \u51fd\u6570\u5728\u88ab\u8c03\u7528\u4e4b\u524d,0154 \u5730\u5740\u4fdd\u5b58\u5728\u6808\u4e2d,MyFun \u51fd\u6570\u5904\u7406\u5b8c\u6210\u540e,\u4f1a\u628a0154\u7684\u5730\u5740\u4fdd\u5b58\u5728\u7a0b\u5e8f\u8ba1\u6570\u5668\u4e2d\u3002\u8fd9\u4e2a\u8c03\u7528\u8fc7\u7a0b\u5982\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"510\" height=\"562\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-9.png\" alt=\"\" class=\"wp-image-1409\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-9.png 510w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-9-454x500.png 454w\" sizes=\"auto, (max-width: 510px) 85vw, 510px\" \/><\/figure>\n\n\n\n<p>\u51fd\u6570\u8c03\u7528\u4e2d\u7a0b\u5e8f\u8ba1\u6570\u5668\u548c\u6808\u7684\u804c\u80fd<\/p>\n\n\n\n<p>\u5728\u4e00\u4e9b\u9ad8\u7ea7\u8bed\u8a00\u7684\u6761\u4ef6\u6216\u8005\u5faa\u73af\u8bed\u53e5\u4e2d,\u51fd\u6570\u8c03\u7528\u7684\u5904\u7406\u4f1a\u8f6c\u6362\u6210 call \u6307\u4ee4,\u51fd\u6570\u7ed3\u675f\u540e\u7684\u5904\u7406\u5219\u4f1a\u8f6c\u6362\u6210 return \u6307\u4ee4\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CPU \u6307\u4ee4\u6267\u884c\u8fc7\u7a0b<\/h2>\n\n\n\n<p>\u90a3\u4e48 CPU \u662f\u5982\u4f55\u6267\u884c\u4e00\u6761\u6761\u7684\u6307\u4ee4\u7684\u54622<\/p>\n\n\n\n<p>\u51e0\u4e4e\u6240\u6709\u7684\u51af\u00b7\u8bfa\u4f0a\u66fc\u578b\u8ba1\u7b97\u673a\u7684CPU,\u5176\u5de5\u4f5c\u90fd\u53ef\u4ee5\u5206\u4e3a5\u4e2a\u9636\u6bb5:<strong>\u53d6\u6307\u4ee4\u3001\u6307\u4ee4\u8bd1\u7801\u3001\u6267\u884c\u6307\u4ee4\u3001\u8bbf\u5b58\u53d6\u6570\u3001\u7ed3\u679c\u5199\u56de<\/strong>\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"8\" src=\"\">   <strong>\u53d6\u6307\u4ee4<\/strong> \u9636\u6bb5\u662f\u5c06\u5185\u5b58\u4e2d\u7684\u6307\u4ee4\u8bfb\u53d6\u5230 CPU \u4e2d\u5bc4\u5b58\u5668\u7684\u8fc7\u7a0b,\u7a0b\u5e8f\u5bc4\u5b58\u5668\u7528\u4e8e\u5b58\u50a8\u4e0b\u4e00\u6761\u6307\u4ee4\u6240\u5728\u7684\u5730\u5740<\/p>\n\n\n\n<p>     <strong>\u6307\u4ee4\u8bd1\u7801<\/strong>\u9636\u6bb5,\u5728\u53d6\u6307\u4ee4\u5b8c\u6210\u540e,\u7acb\u1e18\u8fdb\u5165\u6307\u4ee4\u8bd1\u7801\u9636\u6bb5,\u5728\u6307\u4ee4\u8bd1\u7801\u9636\u6bb5,\u6307\u4ee4\u8bd1\u7801\u5668\u6309\u7167\u1dbc \u5b9a\u7684\u6307\u4ee4\u683c\u5f0f,\u5bf9\u53d6\u56de\u7684\u6307\u4ee4\u8fdb\u884c\u62c6\u5206\u548c\u89e3\u91ca,\u8bc6\u522b\u533a\u5206\u51fa\u4e0d\u540c\u7684\u6307\u4ee4\u7c7b\u522b\u4ee5\u53ca\u5404\u79cd\u83b7\u53d6\u64cd\u4f5c\u6570\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"7\" src=\"\">      <strong>\u6267\u884c\u6307\u4ee4<\/strong>\u9636\u6bb5,\u8bd1\u7801\u5b8c\u6210\u540e,\u5c31\u1d71\u8981\u6267\u884c\u8fd9\u4e00\u6761\u6307\u4ee4\u4e86,\u6b64\u9636\u6bb5\u7684\u4efb\u52a1\u662f\u5b8c\u6210\u6307\u4ee4\u6240\u89c4\u5b9a\u7684\u5404\u79cd \u64cd\u4f5c,\u5177\u4f53\u5b9e\u73b0\u6307\u4ee4\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"7\" src=\"\">    <strong>\u8bbf\u5b58\u53d6\u6570<\/strong>\u9636\u6bb5,\u6839\u636e\u6307\u4ee4\u7684\u1d71\u8981,\u6709\u53ef\u80fd\u1d71\u8981\u4ece\u5185\u5b58\u4e2d\u63d0\u53d6\u6570\u636e,\u6b64\u9636\u6bb5\u7684\u4efb\u52a1\u662f:\u6839\u636e\u6307\u4ee4\u5730\u00a0 \u5740\u7801,\u5f97\u5230\u64cd\u4f5c\u6570\u5728\u4e3b\u5b58\u4e2d\u7684\u5730\u5740,\u5e76\u4ece\u4e3b\u5b58\u4e2d\u8bfb\u53d6\u8be5\u64cd\u4f5c\u6570\u7528\u4e8e\u8fd0\u7b97\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"7\" src=\"\">     <strong>\u7ed3\u679c\u5199\u56de<\/strong>\u9636\u6bb5,\u4f5c\u4e3a\u6700\u540e\u4e00\u4e2a\u9636\u6bb5,\u7ed3\u679c\u5199\u56de(Write Back,WB)\u9636\u6bb5\u628a\u6267\u884c\u6307\u4ee4\u9636\u6bb5\u7684\u8fd0\u884c \u7ed3\u679c\u6570\u636e\u201c\u5199\u56de\u201d\u5230\u67d0\u79cd\u5b58\u50a8\u5f62\u5f0f:\u7ed3\u679c\u6570\u636e\u7ecf\u5e38\u88ab\u5199\u5230CPU\u7684\u5185\u90e8\u5bc4\u5b58\u5668\u4e2d,\u4ee5\u4fbf\u88ab\u540e\u7eed\u7684\u6307\u4ee4\u5feb\u901f\u5730\u5b58\u53d6;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CPU \u7684\u5168\u79f0\u662f \u00a0Central Processing Unit ,\u5b83\u662f\u4f60\u7684\u7535\u8111\u4e2d\u6700\u786c\u6838\u7684\u7ec4\u4ef6,\u8fd9\u79cd\u8bf4\u6cd5\u4e00\u70b9 &hellip; <a href=\"http:\/\/mgspace.wiki\/docs\/?docs=cpu%e6%98%af%e4%bb%80%e4%b9%88\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cCPU\u662f\u4ec0\u4e48\u201d<\/span><\/a><\/p>\n","protected":false},"author":23,"featured_media":0,"parent":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[64],"doc_tag":[],"class_list":["post-1401","docs","type-docs","status-publish","hentry","doc_category-programming-101"],"_links":{"self":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs"}],"about":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1401"}],"version-history":[{"count":3,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1401\/revisions"}],"predecessor-version":[{"id":1411,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1401\/revisions\/1411"}],"wp:attachment":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1401"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_category&post=1401"},{"taxonomy":"doc_tag","embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=1401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}