{"id":1038,"date":"2019-11-28T15:10:46","date_gmt":"2019-11-28T07:10:46","guid":{"rendered":"http:\/\/149.129.74.185\/?p=1038"},"modified":"2019-11-28T15:10:46","modified_gmt":"2019-11-28T07:10:46","slug":"%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f-%e7%ac%ac%e5%85%ab%e7%ab%a0-%e5%86%85%e5%ad%98%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"http:\/\/www.magicmipamipa.com\/?p=1038","title":{"rendered":"[\u64cd\u4f5c\u7cfb\u7edf] \u7b2c\u516b\u7ae0 \u5185\u5b58\u7ba1\u7406"},"content":{"rendered":"

\u5185\u5b58\u7ba1\u7406<\/span><\/h3>\n
8.1 \u80cc\u666f\u00a0<\/span><\/h5>\n

\u903b\u8f91\u5730\u5740\uff1aCPU\u751f\u6210\u7684\u5730\u5740<\/p>\n

\u7269\u7406\u5730\u5740\uff1a\u5185\u5b58\u5355\u5143\u6240\u770b\u5230\u7684\u5730\u5740<\/p>\n

\u91cd\u5b9a\u4f4d\u5bc4\u5b58\u5668\uff1aHardware device that maps virtual to physical address<\/span><\/p>\n

The user program deals with logical addresses;<\/p>\n

it never sees the real physical addresses\uff08\u53ea\u80fd\u770b\u89c1\u903b\u8f91\u5730\u5740\uff0c\u4e0d\u80fd\u770b\u89c1\u7269\u7406\u5730\u5740\uff09<\/strong><\/p>\n

\u4e09\u79cd\u88c5\u5165\u65b9\u5f0f\uff1a<\/p>\n

    \n
  • \u7edd\u5bf9\u88c5\u5165\uff1a\u7f16\u8bd1\u65f6\u4ea7\u751f\u76f8\u5bf9\u5730\u5740\u3002\uff08\u5355\u9053\u7a0b\u5e8f\u9636\u6bb5\uff09<\/li>\n
  • \u53ef\u91cd\u5b9a\u4f4d\u88c5\u5165\uff1a\u88c5\u5165\u65f6\u5c06\u903b\u8f91\u5730\u5740\u8f6c\u6362\u4e3a\u7269\u7406\u5730\u5740\u3002\uff08\u7528\u4e8e\u65e9\u671f\u591a\u9053\u6279\u5904\u7406\u64cd\u4f5c\u7cfb\u7edf\uff09<\/li>\n
  • \u52a8\u6001\u8fd0\u884c\u65f6\u88c5\u5165\uff1a\u8fd0\u884c\u65f6\u5c06\u903b\u8f91\u5730\u5740\u8f6c\u6362\u4e3a\u7269\u7406\u5730\u5740\uff0c\u9700\u8bbe\u7f6e\u91cd\u5b9a\u4f4d\u5bc4\u5b58\u5668\u3002<\/li>\n<\/ul>\n
    8.2 \u4ea4\u6362<\/span><\/h5>\n
    8.3 \u8fde\u7eed\u5185\u5b58\u5206\u914d<\/span><\/h5>\n

    1.\u5185\u5b58\u6620\u5c04\u4e0e\u4fdd\u62a4<\/p>\n

    \u91cd\u5b9a\u4f4d\u5bc4\u5b58\u5668\uff08\u57fa\u5740\u5bc4\u5b58\u5668\uff09\u548c\u754c\u5730\u5740\u5bc4\u5b58\u5668\uff08\u9650\u957f\u5bc4\u5b58\u5668\uff09\u8fdb\u884c\u8d8a\u754c\u68c0\u6d4b\u3002\u91cd\u5b9a\u4f4d\u5bc4\u5b58\u5668\u5b58\u653e\u8fdb\u7a0b\u7684\u8d77\u59cb\u7269\u7406\u5730\u5740<\/span><\/em>\u3002\u754c\u5730\u5740\u5bc4\u5b58\u5668\u5b58\u653e\u8fdb\u7a0b\u7684\u6700\u5927\u903b\u8f91\u5730\u5740<\/span><\/em>\u3002<\/p>\n

    \u5185\u5b58\u5206\u914d<\/p>\n

      \n
    • \u9996\u6b21\u9002\u5e94 first-fit<\/strong>\uff1a\u5206\u914d\u7b2c\u4e00\u4e2a<\/em><\/strong><\/span>\u8db3\u591f\u5927\u7684\u5b54\uff0c\u67e5\u627e\u53ef\u4ee5\u4ece\u5934\u5f00\u59cb\uff0c\u4e5f\u53ef\u4ee5\u4ece\u4e0a\u6b21\u9996\u6b21\u9002\u5e94\u7ed3\u675f\u65f6\u5f00\u59cb\u3002<\/li>\n
    • \u6700\u4f73\u9002\u5e94 best-fit<\/strong>\uff1a\u5206\u914d\u6700\u5c0f\u7684\u6700\u591f\u5927\u7684\u5b54\u3002\u5fc5\u987b\u67e5\u627e\u6574\u4e2a\u5217\u8868\uff0c\u9664\u975e\u5217\u8868\u6309\u7167\u5927\u5c0f\u987a\u5e8f\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4ea7\u751f\u6700\u5c0f\u5269\u4f59\u5b54\u3002<\/li>\n
    • \u6700\u5dee\u9002\u5e94 worst-fit<\/strong>\uff1a\u5206\u914d\u6700\u5927\u7684\u5b54\u3002\u540c\u6837\u5fc5\u987b\u67e5\u627e\u6574\u4e2a\u5217\u8868\u3002\u53ef\u4ee5\u4ea7\u751f\u6700\u5927\u5269\u4f59\u5b54\uff0c\u53ef\u80fd\u6bd4\u6700\u5c0f\u5269\u4f59\u5b54\u66f4\u52a0\u6709\u7528\u3002<\/li>\n
    • \u6bd4\u8f83\uff1a\n
        \n
      • \u6267\u884c\u65f6\u95f4\u548c\u7a7a\u95f4\u5229\u7528 \uff1a\u9996\u6b21\u9002\u5e94\u548c\u6700\u4f73\u9002\u5e94 > \u6700\u5dee\u9002\u5e94<\/li>\n
      • \u6267\u884c\u65f6\u95f4\uff1a\u9996\u6b21\u9002\u5e94>\u6700\u4f73\u9002\u5e94<\/li>\n
      • \u7a7a\u95f4\u5229\u7528\uff1a\u9996\u6b21\u9002\u5e94\uff5e\u6700\u4f73\u9002\u5e94<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
        <\/h5>\n
        8.4 \u5206\u9875<\/span><\/h5>\n

        \u903b\u8f91\u5730\u5740\u7a7a\u95f4\u4e3a2m<\/sup>\uff0c\u9875\u5927\u5c0f\u4e3a2n<\/sup>\uff08\u5b57\u6216\u5b57\u8282\uff09\uff0c\u903b\u8f91\u5730\u5740\u8868\u8fbe\u4e3ap|d\uff1a<\/p>\n

        \u9875\u53f7 p = m-n\uff0c\u9875\u504f\u79fb d = n<\/p>\n

        8.5 \u9875\u8868\u7ed3\u6784<\/span><\/h5>\n

        1.\u5c42\u6b21\u9875\u8868<\/p>\n

        2.\u54c8\u5e0c\u9875\u8868<\/p>\n

        \u865a\u62df\u9875\u7801\u3001\u6240\u6620\u5c04\u7684\u5e27\u53f7\u3001\u6307\u5411\u94fe\u8868\u4e0b\u4e00\u5143\u7d20\u7684\u6307\u9488<\/p>\n

        3.\u53cd\u5411\u9875\u8868<\/p>\n

         <\/p>\n

         <\/p>\n","protected":false},"excerpt":{"rendered":"

        \u5185\u5b58\u7ba1\u7406 8.1 \u80cc\u666f\u00a0 \u903b\u8f91\u5730\u5740\uff1aCPU\u751f\u6210\u7684\u5730\u5740 \u7269\u7406\u5730\u5740\uff1a\u5185\u5b58\u5355\u5143\u6240\u770b\u5230\u7684\u5730\u5740 \u91cd\u5b9a\u4f4d\u5bc4\u5b58\u5668\uff1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[16,20],"tags":[],"_links":{"self":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1038"}],"collection":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1038"}],"version-history":[{"count":1,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1038\/revisions"}],"predecessor-version":[{"id":1044,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1038\/revisions\/1044"}],"wp:attachment":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1038"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}