{"id":94873,"date":"2024-07-02T11:16:27","date_gmt":"2024-07-02T03:16:27","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=94873"},"modified":"2024-07-02T11:16:32","modified_gmt":"2024-07-02T03:16:32","slug":"ikzqdzy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/94873.html","title":{"rendered":"IO\u63a7\u5236\u5668\u7684\u4f5c\u7528"},"content":{"rendered":"\n

\u3000\u3000IO\u63a7\u5236\u5668\u5728\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

\u3000\u3000\u63a5\u6536CPU\u6307\u4ee4<\/strong>\uff1aIO\u63a7\u5236\u5668\u8d1f\u8d23\u63a5\u6536\u6765\u81eaCPU\u7684\u8bfb\u5199\u6307\u4ee4\u548c\u53c2\u6570\uff0c\u5e76\u5c06\u8fd9\u4e9b\u6307\u4ee4\u5b58\u50a8\u5728\u63a7\u5236\u5bc4\u5b58\u5668\u4e2d\u3002<\/p>\n\n\n\n

\u3000\u3000\u62a5\u544a\u8bbe\u5907\u72b6\u6001<\/strong>\uff1aIO\u63a7\u5236\u5668\u4f1a\u5411CPU\u62a5\u544a\u8bbe\u5907\u7684\u72b6\u6001\uff0c\u786e\u4fddCPU\u80fd\u591f\u4e86\u89e3\u5f53\u524d\u8bbe\u5907\u7684\u5de5\u4f5c\u60c5\u51b5\u3002<\/p>\n\n\n\n

\u3000\u3000\u6570\u636e\u4ea4\u6362<\/strong>\uff1aIO\u63a7\u5236\u5668\u8d1f\u8d23\u534f\u8c03\u548c\u7ba1\u7406\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u548c\u4ea4\u6362\uff0c\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u63a7\u5236\u8bbe\u5907\u673a\u68b0\u90e8\u4ef6<\/strong>\uff1a\u7531\u4e8eCPU\u65e0\u6cd5\u76f4\u63a5\u63a7\u5236IO\u8bbe\u5907\u7684\u673a\u68b0\u90e8\u4ef6\uff0cIO\u63a7\u5236\u5668\u4f5c\u4e3aCPU\u548cIO\u8bbe\u5907\u4e4b\u95f4\u7684\u201c\u4e2d\u4ecb\u201d\uff0c\u7528\u4e8e\u5b9e\u73b0CPU\u5bf9\u8bbe\u5907\u7684\u63a7\u5236\u3002<\/p>\n\n\n\n

\u3000\u3000\u6267\u884c\u901a\u9053\u6307\u4ee4<\/strong>\uff1a\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0cIO\u63a7\u5236\u5668\u53ef\u4ee5\u8bc6\u522b\u5e76\u6267\u884c\u4e00\u7cfb\u5217\u901a\u9053\u6307\u4ee4\uff0c\u4ee5\u5b8c\u6210\u7279\u5b9a\u7684\u4efb\u52a1\u3002<\/p>\n\n\n\n

\u3000\u3000\u652f\u6301\u591a\u79cd\u63a7\u5236\u65b9\u5f0f<\/strong>\uff1aIO\u63a7\u5236\u5668\u53ef\u4ee5\u91c7\u7528\u4e0d\u540c\u7684\u63a7\u5236\u65b9\u5f0f\uff0c\u5982\u7a0b\u5e8f\u76f4\u63a5\u63a7\u5236\u3001\u4e2d\u65ad\u9a71\u52a8\u3001DMA(\u76f4\u63a5\u5b58\u50a8\u5668\u5b58\u53d6)\u7b49\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000IO\u63a7\u5236\u5668\u5728\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u8d77\u5230\u4e86\u6865\u6881\u548c\u8c03\u5ea6\u5458\u7684\u4f5c\u7528\uff0c\u786e\u4fddCPU\u4e0eIO\u8bbe\u5907\u4e4b\u95f4\u80fd\u591f\u9ad8\u6548\u3001\u51c6\u786e\u5730\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u548c\u8bbe\u5907\u63a7\u5236\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 IO\u63a7\u5236\u5668\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5b9e\u73b0\u65b9\u5f0f\u6709\u4f55\u5dee\u5f02?<\/h2>\n\n\n\n

\u3000\u3000IO\u63a7\u5236\u5668\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5b9e\u73b0\u65b9\u5f0f\u6709\u663e\u8457\u5dee\u5f02\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u63a7\u5236\u65b9\u5f0f\u548cCPU\u4e0e\u5916\u56f4\u8bbe\u5907\u7684\u5e76\u884c\u5de5\u4f5c\u7a0b\u5ea6\u4e0a\u3002\u53ef\u4ee5\u603b\u7ed3\u51fa\u4ee5\u4e0b\u51e0\u79cd\u5e38\u89c1\u7684I\/O\u63a7\u5236\u65b9\u5f0f\uff1a<\/p>\n\n\n\n

\u3000\u3000\u76f4\u63a5\u7a0b\u5e8f\u63a7\u5236\u65b9\u5f0f(Programmed I\/O, PIO)<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u8fd9\u79cd\u65b9\u5f0f\u7531\u7528\u6237\u8fdb\u7a0b\u76f4\u63a5\u63a7\u5236\u4e3b\u5b58\u6216CPU\u4e0e\u5916\u56f4\u8bbe\u5907\u4e4b\u95f4\u7684\u4fe1\u606f\u4f20\u9001\u3002CPU\u9700\u8981\u9891\u7e41\u5e72\u9884\uff0c\u901a\u8fc7\u8f6e\u8be2I\/O\u7aef\u53e3\u7684\u72b6\u6001\u6765\u68c0\u6d4b\u662f\u5426\u6709\u6570\u636e\u9700\u8981\u4f20\u8f93\uff0c\u5e76\u5728\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e0d\u65ad\u8fdb\u884c\u68c0\u67e5\u3002<\/p>\n\n\n\n

\u3000\u3000\u8fd9\u79cd\u65b9\u5f0f\u6548\u7387\u4f4e\u4e0b\uff0c\u4f1a\u5360\u7528\u5927\u91cf\u7684CPU\u65f6\u95f4\u548c\u5e26\u5bbd\uff0c\u4e0d\u9002\u7528\u4e8e\u5927\u91cf\u6570\u636e\u7684\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e2d\u65ad\u9a71\u52a8\u63a7\u5236\u65b9\u5f0f(Interrupt Driven I\/O, IDO)<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000CPU\u901a\u8fc7\u5411I\/O\u8bbe\u5907\u53d1\u51fa\u8bfb\u5199\u6307\u4ee4\uff0c\u5e76\u8bbe\u7f6e\u76f8\u5e94\u7684\u4e2d\u65ad\u5904\u7406\u7a0b\u5e8f\u3002\u5f53I\/O\u8bbe\u5907\u5b8c\u6210\u6570\u636e\u4f20\u8f93\u540e\uff0c\u4f1a\u5411CPU\u53d1\u9001\u4e2d\u65ad\u8bf7\u6c42\uff0cCPU\u6b64\u65f6\u8c03\u7528\u76f8\u5e94\u7684\u4e2d\u65ad\u5904\u7406\u7a0b\u5e8f\u6765\u5904\u7406\u4f20\u8f93\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u3000\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u51cf\u5c11CPU\u65f6\u95f4\u548c\u5e26\u5bbd\u7684\u6d88\u8017\uff0c\u9002\u7528\u4e8e\u5927\u91cf\u6570\u636e\u7684\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u76f4\u63a5\u5b58\u50a8\u5668\u8bbf\u95ee(Direct Memory Access, DMA)\u63a7\u5236\u65b9\u5f0f<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000DMA\u6a21\u5757\u63a7\u5236\u5185\u5b58\u548cI\/O\u6a21\u5757\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u3002\u5904\u7406\u5668\u7ed9DMA\u6a21\u5757\u53d1\u9001\u8bf7\u6c42\uff0cDMA\u6a21\u5757\u8d1f\u8d23\u6574\u4e2a\u6570\u636e\u5757\u7684\u4f20\u9001\uff0c\u4ec5\u5728\u4f20\u9001\u5f00\u59cb\u548c\u7ed3\u675f\u65f6\u9700\u8981CPU\u5e72\u9884\u3002<\/p>\n\n\n\n

\u3000\u3000DMA\u65b9\u5f0f\u5f7b\u5e95\u89e3\u653e\u4e86CPU\uff0c\u6709\u5229\u4e8e\u7cfb\u7edf\u603b\u7ebf\u4e0e\u5b58\u50a8\u5668\u8fdb\u884c\u53cc\u5411\u6570\u636e\u4f20\u9001\uff0c\u9002\u7528\u4e8e\u5927\u5757\u6570\u636e\u7684\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u901a\u9053\u63a7\u5236\u65b9\u5f0f<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u901a\u9053\u63a7\u5236\u65b9\u5f0f\u662f\u4e00\u79cd\u9ad8\u7ea7\u7684I\/O\u63a7\u5236\u65b9\u5f0f\uff0c\u901a\u5e38\u7528\u4e8e\u5927\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u3002\u5b83\u901a\u8fc7\u4e00\u4e2a\u4e13\u7528\u7684\u901a\u9053\u63a7\u5236\u5668\u6765\u7ba1\u7406I\/O\u64cd\u4f5c\uff0c\u51cf\u5c11\u4e86CPU\u7684\u5e72\u9884\u3002<\/p>\n\n\n\n

\u3000\u3000PPU(Peripheral Processing Unit)\u63a7\u5236\u65b9\u5f0f<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000PPU\u662f\u4e00\u79cd\u4e13\u95e8\u7528\u4e8e\u5904\u7406I\/O\u64cd\u4f5c\u7684\u5904\u7406\u5668\uff0c\u80fd\u591f\u72ec\u7acb\u4e8eCPU\u6267\u884cI\/O\u4efb\u52a1\uff0c\u8fdb\u4e00\u6b65\u51cf\u5c11CPU\u7684\u8d1f\u62c5\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u53ef\u80fd\u4f1a\u9009\u62e9\u4e0d\u540c\u7684I\/O\u63a7\u5236\u65b9\u5f0f\uff0c\u4ee5\u9002\u5e94\u5176\u7279\u5b9a\u7684\u9700\u6c42\u548c\u67b6\u6784\u3002\u4f8b\u5982\uff0c\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u53ef\u80fd\u66f4\u503e\u5411\u4e8e\u4f7f\u7528\u4e2d\u65ad\u9a71\u52a8\u6216DMA\u65b9\u5f0f\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u65b9\u5f0f\u80fd\u591f\u63d0\u4f9b\u66f4\u5feb\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u66f4\u9ad8\u7684\u6548\u7387;\u800c\u6279\u5904\u7406\u7cfb\u7edf\u5219\u53ef\u80fd\u66f4\u591a\u5730\u4f7f\u7528\u76f4\u63a5\u7a0b\u5e8f\u63a7\u5236\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u7b80\u5355\u4e14\u6613\u4e8e\u5b9e\u73b0\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u901a\u8fc7IO\u63a7\u5236\u5668\u63d0\u9ad8\u8ba1\u7b97\u673a\u7cfb\u7edf\u7684\u6570\u636e\u4f20\u8f93\u6548\u7387?<\/h2>\n\n\n\n

\u3000\u3000\u901a\u8fc7IO\u63a7\u5236\u5668\u63d0\u9ad8\u8ba1\u7b97\u673a\u7cfb\u7edf\u7684\u6570\u636e\u4f20\u8f93\u6548\u7387\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5165\u624b\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u4f7f\u7528DMA(\u76f4\u63a5\u5185\u5b58\u8bbf\u95ee)\u6280\u672f<\/strong>\uff1aDMA\u6280\u672f\u5141\u8bb8IO\u63a7\u5236\u5668\u76f4\u63a5\u4e0e\u5185\u5b58\u8fdb\u884c\u6570\u636e\u4ea4\u6362\uff0c\u800c\u4e0d\u9700\u8981CPU\u7684\u53c2\u4e0e\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u8f7bCPU\u7684\u8d1f\u62c5\uff0c\u4f7f\u5176\u80fd\u591f\u5904\u7406\u5176\u4ed6\u4efb\u52a1\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4f53\u7cfb\u7edf\u6548\u7387\u3002\u5728\u6ca1\u6709DMA\u6280\u672f\u4e4b\u524d\uff0cCPU\u9700\u8981\u4eb2\u81ea\u53c2\u4e0e\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\uff0c\u5bfc\u81f4\u5176\u65e0\u6cd5\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f18\u5316\u7f51\u7edc\u914d\u7f6e<\/strong>\uff1a\u5bf9\u4e8e\u7279\u5b9a\u7684IO\u63a7\u5236\u5668\u5982EtherCAT\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u6765\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5206\u652f\u548c\u8282\u70b9\uff0c\u4ece\u800c\u63d0\u5347\u6570\u636e\u4f20\u8f93\u6548\u7387\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u9009\u62e9\u5408\u9002\u7684\u786c\u4ef6\u548c\u9a71\u52a8\u7a0b\u5e8f<\/strong>\uff1a\u9009\u62e9\u9ad8\u6027\u80fd\u7684IO\u63a7\u5236\u5668\u786c\u4ef6\u548c\u5408\u9002\u7684\u9a71\u52a8\u7a0b\u5e8f\u662f\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u6548\u7387\u7684\u5173\u952e\u56e0\u7d20\u4e4b\u4e00\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f18\u5316I\/O\u961f\u5217\u957f\u5ea6\u548c\u7f13\u51b2\u533a\u5927\u5c0f<\/strong>\uff1a\u5408\u7406\u914d\u7f6eI\/O\u961f\u5217\u957f\u5ea6\u548c\u7f13\u51b2\u533a\u5927\u5c0f\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u74f6\u9888\uff0c\u4ece\u800c\u63d0\u9ad8\u4f20\u8f93\u6548\u7387\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f7f\u7528\u9002\u5f53\u7684I\/O\u8c03\u5ea6\u7b97\u6cd5<\/strong>\uff1a\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e86\u591a\u79cdI\/O\u6a21\u578b\uff0c\u5982\u963b\u585eI\/O\u3001\u975e\u963b\u585eI\/O\u3001I\/O\u591a\u8def\u590d\u7528\u4ee5\u53ca\u5f02\u6b65I\/O\u7b49\uff0c\u8fd9\u4e9b\u6a21\u578b\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u6574\u4f53\u7684\u6548\u7387\u548c\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5229\u7528\u9ad8\u901f\u5dee\u5206\u603b\u7ebf\u6280\u672f<\/strong>\uff1a\u4f8b\u5982\uff0cPCI-Express\u603b\u7ebf\u901a\u8fc7\u4f7f\u7528\u9ad8\u901f\u5dee\u5206\u4fe1\u53f7\u548c\u5408\u7406\u7684\u7cfb\u7edf\u53c2\u6570\u914d\u7f6e\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u6570\u636e\u4f20\u8f93\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u4e09\u3001 IO\u63a7\u5236\u5668\u7684\u5e38\u89c1\u7c7b\u578b\u53ca\u5176\u5404\u81ea\u7684\u5e94\u7528\u573a\u666f\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

    \u3000\u3000IO\u63a7\u5236\u5668\u7684\u5e38\u89c1\u7c7b\u578b\u53ca\u5176\u5404\u81ea\u7684\u5e94\u7528\u573a\u666f\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    \u3000\u30001. \u6570\u5b57I\/O\u63a7\u5236\u5668<\/strong>\uff1a<\/h3>\n\n\n\n

    \u3000\u3000\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u4e3b\u8981\u7528\u4e8e\u63a7\u5236\u6570\u5b57\u4fe1\u53f7\uff0c\u5982\u5f00\u5173\u548c\u4f20\u611f\u5668\u7b49\u3002\u5b83\u4eec\u901a\u5e38\u5177\u6709\u9ad8\u901f\u54cd\u5e94\u548c\u7cbe\u786e\u7684\u63a7\u5236\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5feb\u901f\u53cd\u5e94\u7684\u5e94\u7528\u573a\u666f\uff0c\u6bd4\u5982\u5de5\u4e1a\u81ea\u52a8\u5316\u751f\u4ea7\u7ebf\u3002<\/p>\n\n\n\n

    \u3000\u30002. \u7f51\u7edcI\/O\u6a21\u5757<\/strong>\uff1a<\/h3>\n\n\n\n

    \u3000\u3000\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u7528\u4e8e\u76d1\u6d4b\u548c\u63a7\u5236\u5404\u79cd\u8bbe\u5907\uff0c\u5982\u7535\u673a\u3001\u6cf5\u3001\u95e8\u7981\u3001\u706f\u5149\u7b49\u542f\/\u505c\u8bbe\u5907\u3002\u8fd9\u4e9b\u6a21\u5757\u5185\u7f6eDI\u91c7\u96c6\u7535\u8def\u53ca\u7ee7\u7535\u5668\u9002\u914d\u5404\u7c7b\u5f00\u5173\u8bbe\u5907\u3002<\/p>\n\n\n\n

    \u3000\u30003. PLC\u4e2d\u7684\u6570\u5b57\u91cf\u8f93\u5165I\/O<\/strong>\uff1a<\/h3>\n\n\n\n

    \u3000\u3000PNP\u6570\u5b57\u91cf\u8f93\u5165I\/O<\/strong>\uff1a\u7528\u4e8e\u63a5\u6536\u6765\u81eaPNP\u578b\u4f20\u611f\u5668\u7684\u4fe1\u53f7\u3002PNP\u4f20\u611f\u5668\u5728\u5bfc\u901a\u65f6\u8f93\u51fa\u6b63\u7535\u538b\uff0c\u8868\u793a\u67d0\u4e2a\u72b6\u6001\u6216\u4fe1\u53f7\u3002<\/p>\n\n\n\n

    \u3000\u3000NPN\u6570\u5b57\u91cf\u8f93\u5165I\/O<\/strong>\uff1a\u4e0ePNP\u7c7b\u4f3c\uff0c\u4f46\u8f93\u51fa\u8d1f\u7535\u538b\uff0c\u7528\u4e8e\u4e0d\u540c\u7684\u4fe1\u53f7\u8868\u793a\u65b9\u5f0f\u3002<\/p>\n\n\n\n

    \u3000\u30004. \u78c1\u76d8I\/O\u63a7\u5236\u5668<\/strong>\uff1a<\/h3>\n\n\n\n

    \u3000\u3000IDE\u3001SCSI\u3001SATA\u3001NVMe<\/strong>\uff1a\u8fd9\u4e9b\u662f\u786c\u76d8\u7684\u4e0d\u540c\u7c7b\u578b\uff0cIDE\u662f\u6700\u65e9\u51fa\u73b0\u7684\u7c7b\u578b\uff0c\u800cSCSI\u3001SATA\u548cNVMe\u5219\u5206\u522b\u4ee3\u8868\u4e0d\u540c\u6027\u80fd\u548c\u901f\u5ea6\u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n

    \u3000\u30005. \u5fae\u63a7\u5236\u5668(MCU)IO\u53e3<\/strong>\uff1a<\/h3>\n\n\n\n

    \u3000\u3000GPIO\u53e3\u548c\u4e13\u7528IO\u53e3<\/strong>\uff1aGPIO\u53e3\u5206\u4e3a\u591a\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u7535\u8def\u8bbe\u8ba1\u9700\u6c42\u3002<\/p>\n\n\n\n

    \u3000\u30006. \u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684I\/O\u603b\u7ebf\u63a7\u5236\u5668\u6a21\u5757<\/strong>\uff1a<\/h3>\n\n\n\n
      \n
    • \u3000\u3000\u673a\u5668\u63a7\u5236\u548c\u76d1\u6d4b<\/strong>\uff1a\u7528\u4e8e\u63a7\u5236\u548c\u76d1\u6d4b\u5de5\u4e1a\u673a\u5668\u548c\u8bbe\u5907\uff0c\u5982\u751f\u4ea7\u7ebf\u4e0a\u7684\u673a\u68b0\u81c2\u3001\u4f20\u9001\u5e26\u548c\u88c5\u914d\u7ebf\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u8fc7\u7a0b\u63a7\u5236\u548c\u76d1\u6d4b<\/strong>\uff1a\u7528\u4e8e\u76d1\u6d4b\u548c\u63a7\u5236\u53c2\u6570\uff0c\u5982\u6e29\u5ea6\u3001\u538b\u529b\u3001\u6d41\u91cf\u548c\u6db2\u4f4d\uff0c\u5b9e\u73b0\u7cbe\u786e\u7684\u8fc7\u7a0b\u63a7\u5236\u548c\u4f18\u5316\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6570\u636e\u91c7\u96c6\u548c\u8bb0\u5f55<\/strong>\uff1a\u7528\u4e8e\u91c7\u96c6\u548c\u8bb0\u5f55\u5de5\u4e1a\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\u7684\u5404\u79cd\u6570\u636e\uff0c\u5982\u751f\u4ea7\u8fc7\u7a0b\u4e2d\u7684\u8ba1\u6570\u3001\u901f\u5ea6\u548c\u8d28\u91cf\u6570\u636e\uff0c\u7528\u4e8e\u5206\u6790\u548c\u4f18\u5316\u751f\u4ea7\u6548\u7387\u3001\u8d28\u91cf\u63a7\u5236\u548c\u8bbe\u5907\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u56db\u3001 \u5728\u73b0\u4ee3\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\uff0cIO\u63a7\u5236\u5668\u7684\u6280\u672f\u53d1\u5c55\u8d8b\u52bf\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

      \u3000\u3000\u5728\u73b0\u4ee3\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\uff0cIO\u63a7\u5236\u5668\u7684\u6280\u672f\u53d1\u5c55\u8d8b\u52bf\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

        \n
      • \u3000\u3000\u667a\u80fd\u5316<\/strong>\uff1a\u968f\u7740\u4eba\u5de5\u667a\u80fd\u6280\u672f\u7684\u5e7f\u6cdb\u5e94\u7528\uff0cIO\u63a7\u5236\u5668\u5c06\u53d8\u5f97\u66f4\u52a0\u667a\u80fd\u5316\u3002\u672a\u6765\u7684IO\u63a7\u5236\u5668\u5c06\u66f4\u52a0\u806a\u660e\u3001\u7075\u6d3b\uff0c\u5e76\u5177\u5907\u81ea\u4e3b\u5b66\u4e60\u7684\u80fd\u529b\uff0c\u80fd\u591f\u66f4\u597d\u5730\u9002\u5e94\u5404\u79cd\u590d\u6742\u5de5\u51b5\u548c\u73af\u5883\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u7f51\u7edc\u5316<\/strong>\uff1a\u7269\u8054\u7f51\u6280\u672f\u7684\u666e\u53ca\u63a8\u52a8\u4e86IO\u63a7\u5236\u5668\u5411\u8054\u7f51\u5316\u65b9\u5411\u53d1\u5c55\u3002\u672a\u6765\u7684IO\u63a7\u5236\u5668\u5c06\u4e0d\u518d\u662f\u5b64\u7acb\u7684\u8bbe\u5907\uff0c\u800c\u662f\u7ec4\u6210\u7269\u8054\u7f51\u4f53\u7cfb\u7684\u4e00\u90e8\u5206\uff0c\u901a\u8fc7\u6570\u636e\u5171\u4eab\u548c\u534f\u540c\u5de5\u4f5c\uff0c\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u81ea\u52a8\u5316\u751f\u4ea7\u548c\u7ba1\u7406\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u5f00\u653e\u5316<\/strong>\uff1a\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0cIO\u63a7\u5236\u5668\u5c06\u53d8\u5f97\u66f4\u52a0\u5f00\u653e\uff0c\u652f\u6301\u66f4\u591a\u7684\u6807\u51c6\u548c\u534f\u8bae\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u597d\u7684\u4e92\u64cd\u4f5c\u6027\u548c\u517c\u5bb9\u6027\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u9ad8\u6027\u80fd<\/strong>\uff1a\u65b0\u4e00\u4ee3\u9ad8\u6027\u80fdI\/O\u6280\u672f\u5982PCI Express\u3001InfiniBand Architecture\u3001Fibre Channel\u7b49\u6b63\u5728\u4e0d\u65ad\u6d8c\u73b0\uff0c\u8fd9\u4e9b\u6280\u672f\u63d0\u9ad8\u4e86\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u7cfb\u7edf\u6027\u80fd\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u8fdc\u7a0b\u63a7\u5236\u548c\u81ea\u9002\u5e94\u5316<\/strong>\uff1a\u8fdc\u7a0bIO\u6280\u672f\u901a\u8fc7\u5c06\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u7b49\u8bbe\u5907\u4e0e\u4e91\u5e73\u53f0\u76f8\u8fde\u63a5\uff0c\u5b9e\u73b0\u8bbe\u5907\u8fdc\u7a0b\u76d1\u6d4b\u3001\u63a7\u5236\u548c\u7ba1\u7406\u3002\u672a\u6765\u7684\u53d1\u5c55\u8d8b\u52bf\u5c06\u662f\u667a\u80fd\u5316\u3001\u81ea\u9002\u5e94\u5316\u3001\u53ef\u89c6\u5316\u548c\u5b89\u5168\u5316\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u7eff\u8272\u73af\u4fdd\u548c\u80fd\u6548\u7ba1\u7406<\/strong>\uff1a\u5728\u7eff\u8272\u73af\u4fdd\u7406\u5ff5\u65e5\u76ca\u666e\u53ca\u7684\u80cc\u666f\u4e0b\uff0c\u667a\u80fd\u63a7\u5236\u5668\u7684\u7eff\u8272\u73af\u4fdd\u548c\u80fd\u6548\u7ba1\u7406\u5c06\u6210\u4e3a\u91cd\u8981\u6307\u6807\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u6807\u51c6\u5316\u548c\u89c4\u6a21\u5316\u751f\u4ea7<\/strong>\uff1a\u968f\u7740\u5e02\u573a\u7684\u4e0d\u65ad\u6269\u5927\uff0c\u6807\u51c6\u5316\u548c\u89c4\u6a21\u5316\u751f\u4ea7\u5c06\u6210\u4e3a\u5fc5\u7136\u8d8b\u52bf\u3002\u901a\u8fc7\u7814\u53d1\u548c\u751f\u4ea7\u8fc7\u7a0b\u4e2d\u7684\u534f\u540c\u5408\u4f5c\uff0c\u5b9e\u73b0\u4ea7\u54c1\u7684\u6807\u51c6\u5316\u548c\u89c4\u6a21\u5316\uff0c\u964d\u4f4e\u751f\u4ea7\u6210\u672c\uff0c\u63d0\u9ad8\u5e02\u573a\u7ade\u4e89\u529b\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u3000\u4e94\u3001 IO\u63a7\u5236\u5668\u5982\u4f55\u5904\u7406\u4e2d\u65ad\u548c\u5f02\u5e38\u60c5\u51b5\uff0c\u4ee5\u4fdd\u8bc1\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c?<\/h2>\n\n\n\n

        \u3000\u3000IO\u63a7\u5236\u5668\u5728\u5904\u7406\u4e2d\u65ad\u548c\u5f02\u5e38\u60c5\u51b5\u65f6\uff0c\u91c7\u53d6\u4e86\u4e00\u7cfb\u5217\u6b65\u9aa4\u4ee5\u4fdd\u8bc1\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n

          \n
        • \u3000\u3000\u4e2d\u65ad\u8bf7\u6c42<\/strong>\uff1a\u5f53I\/O\u64cd\u4f5c\u5b8c\u6210\u540e\uff0c\u8bbe\u5907\u63a7\u5236\u5668\u901a\u8fc7\u4e2d\u65ad\u8bf7\u6c42\u7ebf\u5411\u5904\u7406\u5668\u53d1\u51fa\u4e2d\u65ad\u4fe1\u53f7\u3002\u8fd9\u4e2a\u4e2d\u65ad\u4fe1\u53f7\u53ef\u4ee5\u662f\u7531\u4e8e\u6570\u636e\u4f20\u8f93\u9519\u8bef\u3001\u8bbe\u5907\u72b6\u6001\u53d8\u5316\u7b49\u539f\u56e0\u5f15\u8d77\u7684\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u4e2d\u65ad\u5224\u4f18<\/strong>\uff1aCPU\u63a5\u6536\u5230\u4e2d\u65ad\u4fe1\u53f7\u540e\uff0c\u9996\u5148\u4f1a\u8fdb\u884c\u4e2d\u65ad\u5224\u4f18\uff0c\u5373\u4ece\u591a\u4e2a\u53ef\u80fd\u7684\u4e2d\u65ad\u6e90\u4e2d\u9009\u62e9\u4e00\u4e2a\u54cd\u5e94\u7684\u4e2d\u65ad\u6e90\u3002\u8fd9\u4e00\u6b65\u9aa4\u53ef\u4ee5\u901a\u8fc7\u786c\u4ef6\u6216\u8f6f\u4ef6\u5b9e\u73b0\uff0c\u76ee\u7684\u662f\u786e\u4fddCPU\u80fd\u591f\u4f18\u5148\u5904\u7406\u6700\u91cd\u8981\u7684\u4e2d\u65ad\u8bf7\u6c42\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u4fdd\u5b58\u73b0\u573a<\/strong>\uff1a\u5728\u5904\u7406\u4e2d\u65ad\u4e4b\u524d\uff0cCPU\u9700\u8981\u4fdd\u5b58\u5f53\u524d\u7a0b\u5e8f\u7684\u65ad\u70b9\u548c\u901a\u7528\u5bc4\u5b58\u5668\u4e2d\u7684\u6709\u7528\u4fe1\u606f\u81f3\u4e3b\u5b58\u50a8\u5668\u6216\u5806\u6808\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u5728\u4e2d\u65ad\u5904\u7406\u5b8c\u6210\u540e\uff0cCPU\u80fd\u591f\u6062\u590d\u5230\u539f\u6765\u7684\u72b6\u6001\u7ee7\u7eed\u6267\u884c\u7a0b\u5e8f\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u6267\u884c\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f<\/strong>\uff1a\u6839\u636e\u4e2d\u65ad\u53f7\u67e5\u4e2d\u65ad\u5411\u91cf\u8868\uff0c\u5f97\u5230\u4e2d\u65ad\u5165\u53e3\u5730\u5740\uff0c\u8df3\u8f6c\u5230\u76f8\u5e94\u7684\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u3002\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u7684\u4e3b\u8981\u4efb\u52a1\u5305\u62ec\u68c0\u67e5\u8bbe\u5907\u72b6\u6001\u5bc4\u5b58\u5668\u5185\u5bb9\uff0c\u5206\u6790\u4e2d\u65ad\u539f\u56e0\uff0c\u5e76\u5411\u4e0a\u5c42\u8f6f\u4ef6\u62a5\u544a\u8bbe\u5907\u51fa\u9519\u4fe1\u606f(\u5982\u679c\u6709\u7684\u8bdd)\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u6062\u590d\u73b0\u573a<\/strong>\uff1a\u5728\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u5904\u7406\u5b8c\u4e2d\u65ad\u540e\uff0cCPU\u4f1a\u6062\u590d\u4e4b\u524d\u4fdd\u5b58\u7684\u73b0\u573a\u4fe1\u606f\uff0c\u5305\u62ec\u65ad\u70b9\u548c\u901a\u7528\u5bc4\u5b58\u5668\u4e2d\u7684\u4fe1\u606f\u3002\u7136\u540e\uff0cCPU\u4f1a\u7ee7\u7eed\u6267\u884c\u88ab\u4e2d\u65ad\u7684\u7a0b\u5e8f\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u5c4f\u853d\u5176\u4ed6\u4e2d\u65ad<\/strong>\uff1a\u4e3a\u4e86\u9632\u6b62\u5176\u4ed6\u4e2d\u65ad\u6e90\u7684\u5e72\u6270\uff0c\u8fdb\u5165\u4e2d\u65ad\u670d\u52a1\u9636\u6bb5\u540e\uff0c\u786c\u4ef6\u7ebf\u8def\u4f1a\u81ea\u52a8\u5c06\u4e2d\u65ad\u5141\u8bb8\u89e6\u53d1\u5668\u7f6e0.\u907f\u514d\u5176\u4ed6\u4e2d\u65ad\u6e90\u7684\u8bf7\u6c42\u6253\u6270\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

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