{"id":10743,"date":"2023-11-28T21:42:42","date_gmt":"2023-11-28T13:42:42","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10743"},"modified":"2023-12-07T14:51:26","modified_gmt":"2023-12-07T06:51:26","slug":"jvm-zhong-fang-fa-nei-lian-zhi-dao-ma","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-zhong-fang-fa-nei-lian-zhi-dao-ma\/","title":{"rendered":"JVM\u4e2d\u65b9\u6cd5\u5185\u8054\u77e5\u9053\u5417\uff1f"},"content":{"rendered":"

\u65b9\u6cd5\u5185\u8054\uff08Method Inlining\uff09\u662fJava\u865a\u62df\u673a\uff08JVM\uff09\u4e2d\u7684\u4e00\u9879\u4f18\u5316\u6280\u672f\uff0c\u5b83\u7684\u76ee\u6807\u662f\u901a\u8fc7\u5c06\u65b9\u6cd5\u8c03\u7528\u5904\u7684\u4ee3\u7801\u66ff\u6362\u4e3a\u88ab\u8c03\u7528\u65b9\u6cd5\u7684\u5b9e\u9645\u4ee3\u7801\uff0c\u4ece\u800c\u51cf\u5c11\u65b9\u6cd5\u8c03\u7528\u7684\u5f00\u9500\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\u3002<\/p>\n

\u5728Java\u4e2d\uff0c\u65b9\u6cd5\u5185\u8054\u53ef\u4ee5\u6709\u52a9\u4e8e\u6d88\u9664\u65b9\u6cd5\u8c03\u7528\u7684\u5f00\u9500\uff0c\u5305\u62ec\u53c2\u6570\u4f20\u9012\u3001\u6808\u5e27\u7684\u521b\u5efa\u548c\u9500\u6bc1\u7b49\u3002\u8fd9\u4e2a\u4f18\u5316\u901a\u5e38\u7531\u5373\u65f6\u7f16\u8bd1\u5668\uff08Just-In-Time Compiler\uff0cJIT Compiler\uff09\u6267\u884c\u3002<\/p>\n

\u65b9\u6cd5\u5185\u8054\u7684\u4e00\u4e9b\u5173\u952e\u70b9\u548c\u539f\u5219\u5305\u62ec\uff1a<\/p>\n

    \n
  1. \n\u5c0f\u65b9\u6cd5\uff1a<\/strong> JIT\u7f16\u8bd1\u5668\u901a\u5e38\u4f1a\u9009\u62e9\u5bf9\u5c0f\u65b9\u6cd5\u8fdb\u884c\u5185\u8054\uff0c\u56e0\u4e3a\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u8c03\u7528\u7684\u5f00\u9500\uff0c\u800c\u4e14\u5185\u8054\u540e\u7684\u4ee3\u7801\u66f4\u5bb9\u6613\u8fdb\u884c\u5176\u4ed6\u4f18\u5316\u3002\n<\/li>\n
  2. \n\u70ed\u70b9\u65b9\u6cd5\uff1a<\/strong> JIT\u7f16\u8bd1\u5668\u901a\u5e38\u4f1a\u6839\u636e\u7a0b\u5e8f\u7684\u8fd0\u884c\u60c5\u51b5\uff0c\u9009\u62e9\u5bf9\u70ed\u70b9\u65b9\u6cd5\u8fdb\u884c\u5185\u8054\u3002\u70ed\u70b9\u65b9\u6cd5\u662f\u6307\u5728\u7a0b\u5e8f\u6267\u884c\u8fc7\u7a0b\u4e2d\u9891\u7e41\u88ab\u8c03\u7528\u7684\u65b9\u6cd5\u3002\n<\/li>\n
  3. \n\u9012\u5f52\u65b9\u6cd5\uff1a<\/strong> \u9012\u5f52\u65b9\u6cd5\u901a\u5e38\u96be\u4ee5\u8fdb\u884c\u5185\u8054\uff0c\u56e0\u4e3a\u5185\u8054\u7684\u65f6\u5019\u9700\u8981\u77e5\u9053\u65b9\u6cd5\u7684\u8c03\u7528\u6df1\u5ea6\uff0c\u800c\u9012\u5f52\u65b9\u6cd5\u7684\u6df1\u5ea6\u662f\u4e0d\u786e\u5b9a\u7684\u3002\n<\/li>\n
  4. \n\u865a\u65b9\u6cd5\u8c03\u7528\uff1a<\/strong> \u865a\u65b9\u6cd5\u8c03\u7528\u901a\u5e38\u6bd4\u8f83\u590d\u6742\uff0c\u56e0\u4e3a\u9700\u8981\u5728\u8fd0\u884c\u65f6\u786e\u5b9a\u8c03\u7528\u7684\u662f\u54ea\u4e2a\u65b9\u6cd5\u3002\u865a\u65b9\u6cd5\u8c03\u7528\u7684\u5185\u8054\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u865a\u65b9\u6cd5\u5206\u6d3e\uff08Virtual Method Dispatch\uff09\u7684\u4f18\u5316\u3002\n<\/li>\n<\/ol>\n

    \u5728JVM\u7684HotSpot\u865a\u62df\u673a\u4e2d\uff0c\u65b9\u6cd5\u5185\u8054\u662f\u7531C2\u7f16\u8bd1\u5668\u8d1f\u8d23\u7684\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9bJVM\u53c2\u6570\u6765\u89c2\u5bdf\u5185\u8054\u7684\u60c5\u51b5\uff0c\u4f8b\u5982 -XX:+PrintInlining<\/code> \u53ef\u4ee5\u6253\u5370\u51fa\u65b9\u6cd5\u5185\u8054\u7684\u76f8\u5173\u4fe1\u606f\u3002<\/p>\n

    \u8981\u6ce8\u610f\u7684\u662f\uff0c\u867d\u7136\u65b9\u6cd5\u5185\u8054\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u8fc7\u5ea6\u7684\u5185\u8054\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ee3\u7801\u81a8\u80c0\uff0c\u589e\u52a0\u4e86\u4ee3\u7801\u7684\u5927\u5c0f\uff0c\u53ef\u80fd\u5bf9\u7f13\u5b58\u6548\u679c\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u5185\u8054\u7684\u9002\u7528\u6027\u9700\u8981\u7efc\u5408\u8003\u8651\u5404\u79cd\u56e0\u7d20\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u65b9\u6cd5\u5185\u8054\uff08Method Inlining\uff09\u662fJava\u865a\u62df\u673a\uff08JVM\uff09\u4e2d\u7684\u4e00\u9879\u4f18\u5316\u6280\u672f\uff0c\u5b83\u7684\u76ee\u6807\u662f\u901a\u8fc7\u5c06\u65b9\u6cd5\u8c03\u7528 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119],"tags":[],"class_list":["post-10743","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10743","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=10743"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10743\/revisions"}],"predecessor-version":[{"id":16888,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10743\/revisions\/16888"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10743"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}