{"id":4919,"date":"2020-12-24T14:36:24","date_gmt":"2020-12-24T06:36:24","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=4919"},"modified":"2024-01-03T19:27:08","modified_gmt":"2024-01-03T11:27:08","slug":"c%e6%9c%8d%e5%8a%a1%e7%bc%96%e8%af%91%e8%80%97%e6%97%b6%e4%bc%98%e5%8c%96%e5%8e%9f%e7%90%86%e5%8f%8a%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/4919","title":{"rendered":"C++\u670d\u52a1\u7f16\u8bd1\u8017\u65f6\u4f18\u5316\u539f\u7406\u53ca\u5b9e\u8df5"},"content":{"rendered":"<p><a href=\"https:\/\/my.oschina.net\/meituantech\/blog\/4792764\">\u539f\u6587\u5730\u5740<\/a><\/p>\n<h2><\/h2>\n<h2>\u4e00\u3001\u80cc\u666f<\/h2>\n<p>\u5927\u578bC++\u5de5\u7a0b\u9879\u76ee\uff0c\u90fd\u4f1a\u9762\u4e34\u7f16\u8bd1\u8017\u65f6\u8f83\u957f\u7684\u95ee\u9898\u3002\u4e0d\u7ba1\u662f\u5f00\u53d1\u8c03\u8bd5\u8fed\u4ee3\u3001\u51c6\u5165\u6d4b\u8bd5\uff0c\u4ea6\u6216\u662f\u6301\u7eed\u96c6\u6210\u9636\u6bb5\uff0c\u7f16\u8bd1\u884c\u4e3a\u65e0\u5904\u4e0d\u5728\uff0c\u964d\u4f4e\u7f16\u8bd1\u65f6\u95f4\u5bf9\u63d0\u9ad8\u7814\u53d1\u6548\u7387\u6765\u8bf4\u5177\u6709\u975e\u5e38\u91cd\u8981\u610f\u4e49\u3002<\/p>\n<p>\u7f8e\u56e2\u641c\u7d22\u4e0eNLP\u90e8\u4e3a\u516c\u53f8\u63d0\u4f9b\u57fa\u7840\u7684\u641c\u7d22\u5e73\u53f0\u670d\u52a1\uff0c\u51fa\u4e8e\u6027\u80fd\u7684\u8003\u8651\uff0c\u5e95\u5c42\u7684\u57fa\u7840\u670d\u52a1\u901a\u8fc7C++\u8bed\u8a00\u5b9e\u73b0\uff0c\u5176\u4e2d\u6211\u4eec\u8d1f\u8d23\u7684\u6df1\u5ea6\u67e5\u8be2\u7406\u89e3\u670d\u52a1\uff08DeepQueryUnderstanding\uff0c\u4e0b\u6587\u7b80\u79f0DQU\uff09\u4e5f\u9762\u4e34\u7740\u7f16\u8bd1\u8017\u65f6\u8f83\u957f\u8fd9\u4e2a\u95ee\u9898\uff0c\u6574\u4e2a\u670d\u52a1\u4ee3\u7801\u5728\u4f18\u5316\u524d\u7f16\u8bd1\u65f6\u95f4\u9700\u8981\u4e8c\u5341\u5206\u949f\u5de6\u53f3\uff0832\u6838\u673a\u5668\u5e76\u884c\u7f16\u8bd1\uff09\uff0c\u5df2\u7ecf\u5f71\u54cd\u5230\u4e86\u56e2\u961f\u5f00\u53d1\u8fed\u4ee3\u7684\u6548\u7387\u3002\u57fa\u4e8e\u8fd9\u6837\u7684\u80cc\u666f\uff0c\u6211\u4eec\u9488\u5bf9DQU\u670d\u52a1\u7684\u7f16\u8bd1\u95ee\u9898\u8fdb\u884c\u4e86\u4e13\u9879\u4f18\u5316\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u4e5f\u79ef\u7d2f\u4e86\u4e00\u4e9b\u4f18\u5316\u7684\u77e5\u8bc6\u548c\u7ecf\u9a8c\uff0c\u5728\u8fd9\u91cc\u5206\u4eab\u7ed9\u5927\u5bb6\u3002<\/p>\n<h2>\u4e8c\u3001\u7f16\u8bd1\u539f\u7406\u53ca\u5206\u6790<\/h2>\n<h3>2.1 \u7f16\u8bd1\u539f\u7406\u4ecb\u7ecd<\/h3>\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u7f16\u8bd1\u4f18\u5316\u65b9\u6848\uff0c\u5728\u4ecb\u7ecd\u4f18\u5316\u65b9\u6848\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0b\u7f16\u8bd1\u539f\u7406\uff0c\u901a\u5e38\u6211\u4eec\u5728\u8fdb\u884cC++\u5f00\u53d1\u65f6\uff0c\u7f16\u8bd1\u7684\u8fc7\u7a0b\u4e3b\u8981\u5305\u542b\u4e0b\u9762\u56db\u4e2a\u6b65\u9aa4\uff1a<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/d152ab606e08516d8369211b19da87fc29998.png@912w_155h_80q\" alt=\"\" \/><\/p>\n<p><strong>\u9884\u5904\u7406\u5668<\/strong>\uff1a\u5b8f\u5b9a\u4e49\u66ff\u6362\uff0c\u5934\u6587\u4ef6\u5c55\u5f00\uff0c\u6761\u4ef6\u7f16\u8bd1\u5c55\u5f00\uff0c\u5220\u9664\u6ce8\u91ca\u3002<\/p>\n<ul>\n<li>gcc -E\u9009\u9879\u53ef\u4ee5\u5f97\u5230\u9884\u5904\u7406\u540e\u7684\u7ed3\u679c\uff0c\u6269\u5c55\u540d\u4e3a.i \u6216 .ii\u3002<\/li>\n<li>C\/C++\u9884\u5904\u7406\u4e0d\u505a\u4efb\u4f55\u8bed\u6cd5\u68c0\u67e5\uff0c\u4e0d\u4ec5\u662f\u56e0\u4e3a\u5b83\u4e0d\u5177\u5907\u8bed\u6cd5\u68c0\u67e5\u529f\u80fd\uff0c\u4e5f\u56e0\u4e3a\u9884\u5904\u7406\u547d\u4ee4\u4e0d\u5c5e\u4e8eC\/C++\u8bed\u53e5\uff08\u8fd9\u4e5f\u662f\u5b9a\u4e49\u5b8f\u65f6\u4e0d\u8981\u52a0\u5206\u53f7\u7684\u539f\u56e0\uff09\uff0c\u8bed\u6cd5\u68c0\u67e5\u662f\u7f16\u8bd1\u5668\u8981\u505a\u7684\u4e8b\u60c5\u3002<\/li>\n<li>\u9884\u5904\u7406\u4e4b\u540e\uff0c\u5f97\u5230\u7684\u4ec5\u4ec5\u662f\u771f\u6b63\u7684\u6e90\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<p><strong>\u7f16\u8bd1\u5668<\/strong>\uff1a\u751f\u6210\u6c47\u7f16\u4ee3\u7801\uff0c\u5f97\u5230\u6c47\u7f16\u8bed\u8a00\u7a0b\u5e8f\uff08\u628a\u9ad8\u7ea7\u8bed\u8a00\u7ffb\u8bd1\u4e3a\u673a\u5668\u8bed\u8a00\uff09\uff0c\u8be5\u79cd\u8bed\u8a00\u7a0b\u5e8f\u4e2d\u7684\u6bcf\u6761\u8bed\u53e5\u90fd\u4ee5\u4e00\u79cd\u6807\u51c6\u7684\u6587\u672c\u683c\u5f0f\u786e\u5207\u7684\u63cf\u8ff0\u4e86\u4e00\u6761\u4f4e\u7ea7\u673a\u5668\u8bed\u8a00\u6307\u4ee4\u3002<\/p>\n<ul>\n<li>gcc -S\u9009\u9879\u53ef\u4ee5\u5f97\u5230\u7f16\u8bd1\u540e\u7684\u6c47\u7f16\u4ee3\u7801\u6587\u4ef6\uff0c\u6269\u5c55\u540d\u4e3a.s\u3002<\/li>\n<li>\u6c47\u7f16\u8bed\u8a00\u4e3a\u4e0d\u540c\u9ad8\u7ea7\u8bed\u8a00\u7684\u4e0d\u540c\u7f16\u8bd1\u5668\u63d0\u4f9b\u4e86\u901a\u7528\u7684\u8f93\u51fa\u8bed\u8a00\u3002<\/li>\n<\/ul>\n<p><strong>\u6c47\u7f16\u5668<\/strong>\uff1a\u751f\u6210\u76ee\u6807\u6587\u4ef6\u3002<\/p>\n<ul>\n<li>gcc -c\u9009\u9879\u53ef\u4ee5\u5f97\u5230\u6c47\u7f16\u540e\u7684\u7ed3\u679c\u6587\u4ef6\uff0c\u6269\u5c55\u540d\u4e3a.o\u3002<\/li>\n<li>.o\u6587\u4ef6\uff0c\u662f\u6309\u7167\u7684\u4e8c\u8fdb\u5236\u7f16\u7801\u65b9\u5f0f\u751f\u6210\u7684\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<p><strong>\u94fe\u63a5\u5668<\/strong>\uff1a\u751f\u6210\u53ef\u6267\u884c\u6587\u4ef6\u6216\u5e93\u6587\u4ef6\u3002<\/p>\n<ul>\n<li><strong>\u9759\u6001\u5e93<\/strong>\uff1a\u6307\u7f16\u8bd1\u94fe\u63a5\u65f6\uff0c\u628a\u5e93\u6587\u4ef6\u7684\u4ee3\u7801\u5168\u90e8\u52a0\u5165\u5230\u53ef\u6267\u884c\u6587\u4ef6\u4e2d\uff0c\u56e0\u6b64\u751f\u6210\u7684\u6587\u4ef6\u6bd4\u8f83\u5927\uff0c\u4f46\u5728\u8fd0\u884c\u65f6\u4e5f\u5c31\u4e0d\u518d\u9700\u8981\u5e93\u6587\u4ef6\u4e86\uff0c\u5176\u540e\u7f00\u540d\u4e00\u822c\u4e3a\u201c.a\u201d\u3002<\/li>\n<li><strong>\u52a8\u6001\u5e93<\/strong>\uff1a\u5728\u7f16\u8bd1\u94fe\u63a5\u65f6\u5e76\u6ca1\u6709\u628a\u5e93\u6587\u4ef6\u7684\u4ee3\u7801\u52a0\u5165\u5230\u53ef\u6267\u884c\u6587\u4ef6\u4e2d\uff0c\u800c\u662f\u5728\u7a0b\u5e8f\u6267\u884c\u65f6\u7531\u8fd0\u884c\u65f6\u94fe\u63a5\u6587\u4ef6\u52a0\u8f7d\u5e93\uff0c\u8fd9\u6837\u53ef\u6267\u884c\u6587\u4ef6\u6bd4\u8f83\u5c0f\uff0c\u52a8\u6001\u5e93\u4e00\u822c\u540e\u7f00\u540d\u4e3a\u201c.so\u201d\u3002<\/li>\n<li><strong>\u53ef\u6267\u884c\u6587\u4ef6<\/strong>\uff1a\u5c06\u6240\u6709\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u94fe\u63a5\u8d77\u6765\u878d\u5408\u6210\u4e00\u4e2a\u53ef\u6267\u884c\u7a0b\u5e8f\uff0c\u4e0d\u7ba1\u8fd9\u4e9b\u6587\u4ef6\u662f\u76ee\u6807\u4e8c\u8fdb\u5236\u6587\u4ef6\u8fd8\u662f\u5e93\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h3>2.2 C++\u7f16\u8bd1\u7279\u70b9<\/h3>\n<p>\uff081\uff09\u6bcf\u4e2a\u6e90\u6587\u4ef6\u72ec\u7acb\u7f16\u8bd1<\/p>\n<p>C\/C++\u7684\u7f16\u8bd1\u7cfb\u7edf\u548c\u5176\u4ed6\u9ad8\u7ea7\u8bed\u8a00\u5b58\u5728\u5f88\u5927\u7684\u5dee\u5f02\uff0c\u5176\u4ed6\u9ad8\u7ea7\u8bed\u8a00\u4e2d\uff0c\u7f16\u8bd1\u5355\u5143\u662f\u6574\u4e2aModule\uff0c\u5373Module\u4e0b\u6240\u6709\u6e90\u7801\uff0c\u4f1a\u5728\u540c\u4e00\u4e2a\u7f16\u8bd1\u4efb\u52a1\u4e2d\u6267\u884c\u3002\u800c\u5728C\/C++\u4e2d\uff0c\u7f16\u8bd1\u5355\u5143\u662f\u4ee5\u6587\u4ef6\u4e3a\u5355\u4f4d\u3002\u6bcf\u4e2a.c\/.cc\/.cxx\/.cpp\u6e90\u6587\u4ef6\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u7f16\u8bd1\u5355\u5143\uff0c\u5bfc\u81f4\u7f16\u8bd1\u4f18\u5316\u65f6\u53ea\u80fd\u57fa\u4e8e\u672c\u6587\u4ef6\u5185\u5bb9\u8fdb\u884c\u4f18\u5316\uff0c\u5f88\u96be\u8de8\u7f16\u8bd1\u5355\u5143\u63d0\u4f9b\u4ee3\u7801\u4f18\u5316\u3002<\/p>\n<p>\uff082\uff09\u6bcf\u4e2a\u7f16\u8bd1\u5355\u5143\uff0c\u90fd\u9700\u8981\u72ec\u7acb\u89e3\u6790\u6240\u6709\u5305\u542b\u7684\u5934\u6587\u4ef6<\/p>\n<p>\u5982\u679cN\u4e2a\u6e90\u6587\u4ef6\u5f15\u7528\u5230\u4e86\u540c\u4e00\u4e2a\u5934\u6587\u4ef6\uff0c\u5219\u8fd9\u4e2a\u5934\u6587\u4ef6\u9700\u8981\u89e3\u6790N\u6b21\uff08\u5bf9\u4e8eThrift\u6587\u4ef6\u6216\u8005Boost\u5934\u6587\u4ef6\u8fd9\u7c7b\u52a8\u8f84\u51e0\u5343\u4e0a\u4e07\u884c\u7684\u5934\u6587\u4ef6\u6765\u8bf4\uff0c\u7b80\u76f4\u5c31\u662f\u201c\u9b3c\u6545\u4e8b\u201d\uff09\u3002<\/p>\n<p>\u5982\u679c\u5934\u6587\u4ef6\u4e2d\u6709\u6a21\u677f\uff08STL\/Boost\uff09\uff0c\u5219\u8be5\u6a21\u677f\u5728\u6bcf\u4e2acpp\u6587\u4ef6\u4e2d\u4f7f\u7528\u65f6\u90fd\u4f1a\u505a\u4e00\u6b21\u5b9e\u4f8b\u5316\uff0cN\u4e2a\u6e90\u6587\u4ef6\u4e2d\u7684std::vector&lt;int&gt;\u4f1a\u5b9e\u4f8b\u5316N\u6b21\u3002<\/p>\n<p>\uff083\uff09\u6a21\u677f\u51fd\u6570\u5b9e\u4f8b\u5316<\/p>\n<p>\u5728C++ 98\u8bed\u8a00\u6807\u51c6\u4e2d\uff0c\u5bf9\u4e8e\u6e90\u4ee3\u7801\u4e2d\u51fa\u73b0\u7684\u6bcf\u4e00\u5904\u6a21\u677f\u5b9e\u4f8b\u5316\uff0c\u7f16\u8bd1\u5668\u90fd\u9700\u8981\u53bb\u505a\u5b9e\u4f8b\u5316\u7684\u5de5\u4f5c\uff1b\u800c\u5728\u94fe\u63a5\u65f6\uff0c\u94fe\u63a5\u5668\u8fd8\u9700\u8981\u79fb\u9664\u91cd\u590d\u7684\u5b9e\u4f8b\u5316\u4ee3\u7801\u3002\u663e\u7136\u7f16\u8bd1\u5668\u9047\u5230\u4e00\u4e2a\u6a21\u677f\u5b9a\u4e49\u65f6\uff0c\u6bcf\u6b21\u90fd\u53bb\u8fdb\u884c\u91cd\u590d\u7684\u5b9e\u4f8b\u5316\u5de5\u4f5c\uff0c\u8fdb\u884c\u91cd\u590d\u7684\u7f16\u8bd1\u5de5\u4f5c\u3002\u6b64\u65f6\uff0c\u5982\u679c\u80fd\u591f\u8ba9\u7f16\u8bd1\u5668\u907f\u514d\u6b64\u7c7b\u91cd\u590d\u7684\u5b9e\u4f8b\u5316\u5de5\u4f5c\uff0c\u90a3\u4e48\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7f16\u8bd1\u5668\u7684\u5de5\u4f5c\u6548\u7387\u3002\u5728C++ 0x\u6807\u51c6\u4e2d\u4e00\u4e2a\u65b0\u7684\u8bed\u8a00\u7279\u6027 &#8212; \u5916\u90e8\u6a21\u677f\u7684\u5f15\u5165\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u5728C++ 98\u4e2d\uff0c\u5df2\u7ecf\u6709\u4e00\u4e2a\u53eb\u505a\u663e\u5f0f\u5b9e\u4f8b\u5316\uff08Explicit Instantiation\uff09\u7684\u8bed\u8a00\u7279\u6027\uff0c\u5b83\u7684\u76ee\u7684\u662f\u6307\u793a\u7f16\u8bd1\u5668\u7acb\u5373\u8fdb\u884c\u6a21\u677f\u5b9e\u4f8b\u5316\u64cd\u4f5c\uff08\u5373\u5f3a\u5236\u5b9e\u4f8b\u5316\uff09\u3002\u800c\u5916\u90e8\u6a21\u677f\u8bed\u6cd5\u5c31\u662f\u5728\u663e\u5f0f\u5b9e\u4f8b\u5316\u6307\u4ee4\u7684\u8bed\u6cd5\u57fa\u7840\u4e0a\u8fdb\u884c\u4fee\u6539\u5f97\u5230\u7684\uff0c\u901a\u8fc7\u5728\u663e\u5f0f\u5b9e\u4f8b\u5316\u6307\u4ee4\u524d\u6dfb\u52a0\u524d\u7f00extern\uff0c\u4ece\u800c\u5f97\u5230\u5916\u90e8\u6a21\u677f\u7684\u8bed\u6cd5\u3002<\/p>\n<p>\u2460 \u663e\u5f0f\u5b9e\u4f8b\u5316\u8bed\u6cd5\uff1atemplate class vector&lt;MyClass&gt;\u3002 \u2461 \u5916\u90e8\u6a21\u677f\u8bed\u6cd5\uff1aextern template class vector&lt;MyClass&gt;\u3002<\/p>\n<p>\u4e00\u65e6\u5728\u4e00\u4e2a\u7f16\u8bd1\u5355\u5143\u4e2d\u4f7f\u7528\u4e86\u5916\u90e8\u6a21\u677f\u58f0\u660e\uff0c\u90a3\u4e48\u7f16\u8bd1\u5668\u5728\u7f16\u8bd1\u8be5\u7f16\u8bd1\u5355\u5143\u65f6\uff0c\u4f1a\u8df3\u8fc7\u4e0e\u8be5\u5916\u90e8\u6a21\u677f\u58f0\u660e\u5339\u914d\u7684\u6a21\u677f\u5b9e\u4f8b\u5316\u3002<\/p>\n<p>\uff084\uff09\u865a\u51fd\u6570<\/p>\n<p>\u7f16\u8bd1\u5668\u5904\u7406\u865a\u51fd\u6570\u7684\u65b9\u6cd5\u662f\uff1a\u7ed9\u6bcf\u4e2a\u5bf9\u8c61\u6dfb\u52a0\u4e00\u4e2a\u6307\u9488\uff0c\u5b58\u653e\u4e86\u6307\u5411\u865a\u51fd\u6570\u8868\u7684\u5730\u5740\uff0c\u865a\u51fd\u6570\u8868\u5b58\u50a8\u4e86\u8be5\u7c7b\uff08\u5305\u62ec\u7ee7\u627f\u81ea\u57fa\u7c7b\uff09\u7684\u865a\u51fd\u6570\u5730\u5740\u3002\u5982\u679c\u6d3e\u751f\u7c7b\u91cd\u5199\u4e86\u865a\u51fd\u6570\u7684\u65b0\u5b9a\u4e49\uff0c\u8be5\u865a\u51fd\u6570\u8868\u5c06\u4fdd\u5b58\u65b0\u51fd\u6570\u7684\u5730\u5740\uff0c\u5982\u679c\u6d3e\u751f\u7c7b\u6ca1\u6709\u91cd\u65b0\u5b9a\u4e49\u865a\u51fd\u6570\uff0c\u8be5\u865a\u51fd\u6570\u8868\u5c06\u4fdd\u5b58\u51fd\u6570\u539f\u59cb\u7248\u672c\u7684\u5730\u5740\u3002\u5982\u679c\u6d3e\u751f\u7c7b\u5b9a\u4e49\u4e86\u65b0\u7684\u865a\u51fd\u6570\uff0c\u5219\u8be5\u51fd\u6570\u7684\u5730\u5740\u5c06\u88ab\u6dfb\u52a0\u5230\u865a\u51fd\u6570\u8868\u4e2d\u3002<\/p>\n<p>\u8c03\u7528\u865a\u51fd\u6570\u65f6\uff0c\u7a0b\u5e8f\u5c06\u67e5\u770b\u5b58\u50a8\u5728\u5bf9\u8c61\u4e2d\u7684\u865a\u51fd\u6570\u8868\u5730\u5740\uff0c\u8f6c\u5411\u76f8\u5e94\u7684\u865a\u51fd\u6570\u8868\uff0c\u4f7f\u7528\u7c7b\u58f0\u660e\u4e2d\u5b9a\u4e49\u7684\u7b2c\u51e0\u4e2a\u865a\u51fd\u6570\uff0c\u7a0b\u5e8f\u5c31\u4f7f\u7528\u6570\u7ec4\u7684\u7b2c\u51e0\u4e2a\u51fd\u6570\u5730\u5740\uff0c\u5e76\u6267\u884c\u8be5\u51fd\u6570\u3002<\/p>\n<p>\u4f7f\u7528\u865a\u51fd\u6570\u540e\u7684\u53d8\u5316\uff1a<\/p>\n<p>\u2460 \u5bf9\u8c61\u5c06\u589e\u52a0\u4e00\u4e2a\u5b58\u50a8\u5730\u5740\u7684\u7a7a\u95f4\uff0832\u4f4d\u7cfb\u7edf\u4e3a4\u5b57\u8282\uff0c64\u4f4d\u4e3a8\u5b57\u8282\uff09\u3002 \u2461 \u6bcf\u4e2a\u7c7b\u7f16\u8bd1\u5668\u90fd\u521b\u5efa\u4e00\u4e2a\u865a\u51fd\u6570\u5730\u5740\u8868\u3002 \u2462 \u5bf9\u6bcf\u4e2a\u51fd\u6570\u8c03\u7528\u90fd\u9700\u8981\u589e\u52a0\u5728\u8868\u4e2d\u67e5\u627e\u5730\u5740\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\uff085\uff09\u7f16\u8bd1\u4f18\u5316<\/p>\n<p>GCC\u63d0\u4f9b\u4e86\u4e3a\u4e86\u6ee1\u8db3\u7528\u6237\u4e0d\u540c\u7a0b\u5ea6\u7684\u7684\u4f18\u5316\u9700\u8981\uff0c\u63d0\u4f9b\u4e86\u8fd1\u767e\u79cd\u4f18\u5316\u9009\u9879\uff0c\u7528\u6765\u5bf9\u7f16\u8bd1\u65f6\u95f4\uff0c\u76ee\u6807\u6587\u4ef6\u957f\u5ea6\uff0c\u6267\u884c\u6548\u7387\u8fd9\u4e2a\u4e09\u7ef4\u6a21\u578b\u8fdb\u884c\u4e0d\u540c\u7684\u53d6\u820d\u548c\u5e73\u8861\u3002\u4f18\u5316\u7684\u65b9\u6cd5\u4e0d\u4e00\u800c\u8db3\uff0c\u603b\u4f53\u4e0a\u5c06\u6709\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n<p>\u2460 \u7cbe\u7b80\u64cd\u4f5c\u6307\u4ee4\u3002 \u2461 \u5c3d\u91cf\u6ee1\u8db3CPU\u7684\u6d41\u6c34\u64cd\u4f5c\u3002 \u2462 \u901a\u8fc7\u5bf9\u7a0b\u5e8f\u884c\u4e3a\u5730\u731c\u6d4b\uff0c\u91cd\u65b0\u8c03\u6574\u4ee3\u7801\u7684\u6267\u884c\u987a\u5e8f\u3002 \u2463 \u5145\u5206\u4f7f\u7528\u5bc4\u5b58\u5668\u3002 \u2464 \u5bf9\u7b80\u5355\u7684\u8c03\u7528\u8fdb\u884c\u5c55\u5f00\u7b49\u7b49\u3002<\/p>\n<p>\u5982\u679c\u5168\u90e8\u4e86\u89e3\u8fd9\u4e9b\u7f16\u8bd1\u9009\u9879\uff0c\u5bf9\u4ee3\u7801\u9488\u5bf9\u6027\u7684\u4f18\u5316\u8fd8\u662f\u4e00\u9879\u590d\u6742\u7684\u5de5\u4f5c\uff0c\u5e78\u8fd0\u7684\u662fGCC\u63d0\u4f9b\u4e86\u4eceO0-O3\u4ee5\u53caOs\u8fd9\u51e0\u79cd\u4e0d\u540c\u7684\u4f18\u5316\u7ea7\u522b\u4f9b\u5927\u5bb6\u9009\u62e9\uff0c\u5728\u8fd9\u4e9b\u9009\u9879\u4e2d\uff0c\u5305\u542b\u4e86\u5927\u90e8\u5206\u6709\u6548\u7684\u7f16\u8bd1\u4f18\u5316\u9009\u9879\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u8fd9\u4e2a\u57fa\u7840\u4e0a\uff0c\u5bf9\u67d0\u4e9b\u9009\u9879\u8fdb\u884c\u5c4f\u853d\u6216\u6dfb\u52a0\uff0c\u4ece\u800c\u5927\u5927\u964d\u4f4e\u4e86\u4f7f\u7528\u7684\u96be\u5ea6\u3002<\/p>\n<ul>\n<li>O0\uff1a\u4e0d\u505a\u4efb\u4f55\u4f18\u5316\uff0c\u8fd9\u662f\u9ed8\u8ba4\u7684\u7f16\u8bd1\u9009\u9879\u3002<\/li>\n<li>O\u548cO1\uff1a\u5bf9\u7a0b\u5e8f\u505a\u90e8\u5206\u7f16\u8bd1\u4f18\u5316\uff0c\u7f16\u8bd1\u5668\u4f1a\u5c1d\u8bd5\u51cf\u5c0f\u751f\u6210\u4ee3\u7801\u7684\u5c3a\u5bf8\uff0c\u4ee5\u53ca\u7f29\u77ed\u6267\u884c\u65f6\u95f4\uff0c\u4f46\u5e76\u4e0d\u6267\u884c\u9700\u8981\u5360\u7528\u5927\u91cf\u7f16\u8bd1\u65f6\u95f4\u7684\u4f18\u5316\u3002<\/li>\n<li>O2\uff1a\u662f\u6bd4O1\u66f4\u9ad8\u7ea7\u7684\u9009\u9879\uff0c\u8fdb\u884c\u66f4\u591a\u7684\u4f18\u5316\u3002GCC\u5c06\u6267\u884c\u51e0\u4e4e\u6240\u6709\u7684\u4e0d\u5305\u542b\u65f6\u95f4\u548c\u7a7a\u95f4\u6298\u4e2d\u7684\u4f18\u5316\u3002\u5f53\u8bbe\u7f6eO2\u9009\u9879\u65f6\uff0c\u7f16\u8bd1\u5668\u5e76\u4e0d\u8fdb\u884c\u5faa\u73af\u5c55\u5f00\u4ee5\u53ca\u51fd\u6570\u5185\u8054\u4f18\u5316\u3002\u4e0eO1\u6bd4\u8f83\u800c\u8a00\uff0cO2\u4f18\u5316\u589e\u52a0\u4e86\u7f16\u8bd1\u65f6\u95f4\u7684\u57fa\u7840\u4e0a\uff0c\u63d0\u9ad8\u4e86\u751f\u6210\u4ee3\u7801\u7684\u6267\u884c\u6548\u7387\u3002<\/li>\n<li>O3\uff1a\u5728O2\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u66f4\u591a\u7684\u4f18\u5316\uff0c\u4f8b\u5982\u4f7f\u7528\u4f2a\u5bc4\u5b58\u5668\u7f51\u7edc\uff0c\u666e\u901a\u51fd\u6570\u7684\u5185\u8054\uff0c\u4ee5\u53ca\u9488\u5bf9\u5faa\u73af\u7684\u66f4\u591a\u4f18\u5316\u3002<\/li>\n<li>Os\uff1a\u4e3b\u8981\u662f\u5bf9\u4ee3\u7801\u5927\u5c0f\u7684\u4f18\u5316\uff0c \u901a\u5e38\u5404\u79cd\u4f18\u5316\u90fd\u4f1a\u6253\u4e71\u7a0b\u5e8f\u7684\u7ed3\u6784\uff0c\u8ba9\u8c03\u8bd5\u5de5\u4f5c\u53d8\u5f97\u65e0\u4ece\u7740\u624b\u3002\u5e76\u4e14\u4f1a\u6253\u4e71\u6267\u884c\u987a\u5e8f\uff0c\u4f9d\u8d56\u5185\u5b58\u64cd\u4f5c\u987a\u5e8f\u7684\u7a0b\u5e8f\u9700\u8981\u505a\u76f8\u5173\u5904\u7406\u624d\u80fd\u786e\u4fdd\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u3002<\/li>\n<\/ul>\n<p>\u7f16\u8bd1\u4f18\u5316\u6709\u53ef\u80fd\u5e26\u6765\u7684\u95ee\u9898\uff1a<\/p>\n<p>\u2460\u00a0<strong>\u8c03\u8bd5\u95ee\u9898<\/strong>\uff1a\u6b63\u5982\u4e0a\u9762\u6240\u63d0\u5230\u7684\uff0c\u4efb\u4f55\u7ea7\u522b\u7684\u4f18\u5316\u90fd\u5c06\u5e26\u6765\u4ee3\u7801\u7ed3\u6784\u7684\u6539\u53d8\u3002\u4f8b\u5982\uff1a\u5bf9\u5206\u652f\u7684\u5408\u5e76\u548c\u6d88\u9664\uff0c\u5bf9\u516c\u7528\u5b50\u8868\u8fbe\u5f0f\u7684\u6d88\u9664\uff0c\u5bf9\u5faa\u73af\u5185load\/store\u64cd\u4f5c\u7684\u66ff\u6362\u548c\u66f4\u6539\u7b49\uff0c\u90fd\u5c06\u4f1a\u4f7f\u76ee\u6807\u4ee3\u7801\u7684\u6267\u884c\u987a\u5e8f\u53d8\u5f97\u9762\u76ee\u5168\u975e\uff0c\u5bfc\u81f4\u8c03\u8bd5\u4fe1\u606f\u4e25\u91cd\u4e0d\u8db3\u3002<\/p>\n<p>\u2461\u00a0<strong>\u5185\u5b58\u64cd\u4f5c\u987a\u5e8f\u6539\u53d8\u95ee\u9898<\/strong>\uff1a\u5728O2\u4f18\u5316\u540e\uff0c\u7f16\u8bd1\u5668\u4f1a\u5bf9\u5f71\u54cd\u5185\u5b58\u64cd\u4f5c\u7684\u6267\u884c\u987a\u5e8f\u3002\u4f8b\u5982\uff1a-fschedule-insns\u5141\u8bb8\u6570\u636e\u5904\u7406\u65f6\u5148\u5b8c\u6210\u5176\u4ed6\u7684\u6307\u4ee4\uff1b-fforce-mem\u6709\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u4e0e\u5bc4\u5b58\u5668\u4e4b\u95f4\u7684\u6570\u636e\u4ea7\u751f\u7c7b\u4f3c\u810f\u6570\u636e\u7684\u4e0d\u4e00\u81f4\u7b49\u3002\u5bf9\u4e8e\u67d0\u4e9b\u4f9d\u8d56\u5185\u5b58\u64cd\u4f5c\u987a\u5e8f\u800c\u8fdb\u884c\u7684\u903b\u8f91\uff0c\u9700\u8981\u505a\u4e25\u683c\u7684\u5904\u7406\u540e\u624d\u80fd\u8fdb\u884c\u4f18\u5316\u3002\u4f8b\u5982\uff0c\u91c7\u7528Volatile\u5173\u952e\u5b57\u9650\u5236\u53d8\u91cf\u7684\u64cd\u4f5c\u65b9\u5f0f\uff0c\u6216\u8005\u5229\u7528Barrier\u8feb\u4f7fCPU\u4e25\u683c\u6309\u7167\u6307\u4ee4\u5e8f\u6267\u884c\u3002<\/p>\n<p>(6)C\/C++ \u8de8\u7f16\u8bd1\u5355\u5143\u7684\u4f18\u5316\u53ea\u80fd\u4ea4\u7ed9\u94fe\u63a5\u5668<\/p>\n<p>\u5f53\u94fe\u63a5\u5668\u8fdb\u884c\u94fe\u63a5\u7684\u65f6\u5019\uff0c\u9996\u5148\u51b3\u5b9a\u5404\u4e2a\u76ee\u6807\u6587\u4ef6\u5728\u6700\u7ec8\u53ef\u6267\u884c\u6587\u4ef6\u91cc\u7684\u4f4d\u7f6e\u3002\u7136\u540e\u8bbf\u95ee\u6240\u6709\u76ee\u6807\u6587\u4ef6\u7684\u5730\u5740\u91cd\u5b9a\u4e49\u8868\uff0c\u5bf9\u5176\u4e2d\u8bb0\u5f55\u7684\u5730\u5740\u8fdb\u884c\u91cd\u5b9a\u5411\uff08\u52a0\u4e0a\u4e00\u4e2a\u504f\u79fb\u91cf\uff0c\u5373\u8be5\u7f16\u8bd1\u5355\u5143\u5728\u53ef\u6267\u884c\u6587\u4ef6\u4e0a\u7684\u8d77\u59cb\u5730\u5740\uff09\u3002\u7136\u540e\u904d\u5386\u6240\u6709\u76ee\u6807\u6587\u4ef6\u7684\u672a\u89e3\u51b3\u7b26\u53f7\u8868\uff0c\u5e76\u4e14\u5728\u6240\u6709\u7684\u5bfc\u51fa\u7b26\u53f7\u8868\u91cc\u67e5\u627e\u5339\u914d\u7684\u7b26\u53f7\uff0c\u5e76\u5728\u672a\u89e3\u51b3\u7b26\u53f7\u8868\u4e2d\u6240\u8bb0\u5f55\u7684\u4f4d\u7f6e\u4e0a\u586b\u5199\u5b9e\u73b0\u5730\u5740\uff0c\u6700\u540e\u628a\u6240\u6709\u7684\u76ee\u6807\u6587\u4ef6\u7684\u5185\u5bb9\u5199\u5728\u5404\u81ea\u7684\u4f4d\u7f6e\u4e0a\uff0c\u5c31\u751f\u6210\u4e00\u4e2a\u53ef\u6267\u884c\u6587\u4ef6\u3002\u94fe\u63a5\u7684\u7ec6\u8282\u6bd4\u8f83\u590d\u6742\uff0c\u94fe\u63a5\u9636\u6bb5\u662f\u5355\u8fdb\u7a0b\uff0c\u65e0\u6cd5\u5e76\u884c\u52a0\u901f\uff0c\u5bfc\u81f4\u5927\u9879\u76ee\u94fe\u63a5\u6781\u6162\u3002<\/p>\n<h2>\u4e09\u3001\u670d\u52a1\u95ee\u9898\u5206\u6790<\/h2>\n<p>DQU\u662f\u7f8e\u56e2\u641c\u7d22\u4f7f\u7528\u7684\u67e5\u8be2\u7406\u89e3\u5e73\u53f0\uff0c\u5185\u90e8\u5305\u542b\u4e86\u5927\u91cf\u7684\u6a21\u578b\u3001\u8bcd\u8868\u3001\u5728\u4ee3\u7801\u7ed3\u6784\u4e0a\uff0c\u5305\u542b20\u591a\u4e2aThrift\u6587\u4ef6 \uff0c\u4f7f\u7528\u5927\u91cfBoost\u5904\u7406\u51fd\u6570 \uff0c\u540c\u65f6\u5f15\u5165\u4e86SF\u6846\u67b6\uff0c\u516c\u53f8\u7b2c\u4e09\u65b9\u7ec4\u4ef6SDK\u4ee5\u53ca\u5206\u8bcd\u4e09\u4e2aSubmodule\uff0c\u5404\u4e2a\u6a21\u5757\u91c7\u7528\u52a8\u6001\u5e93\u7f16\u8bd1\u52a0\u8f7d\u7684\u65b9\u5f0f\uff0c\u6a21\u5757\u4e4b\u95f4\u901a\u8fc7\u6d88\u606f\u603b\u7ebf\u505a\u6570\u636e\u7684\u4f20\u8f93\uff0c\u6d88\u606f\u603b\u7ebf\u662f\u4e00\u4e2a\u5927\u7684Event\u7c7b\uff0c\u8fd9\u6837\u8fd9\u4e2a\u7c7b\u5c31\u5305\u542b\u4e86\u5404\u4e2a\u6a21\u5757\u9700\u8981\u7684\u6570\u636e\u7c7b\u578b\u7684\u5b9a\u4e49\uff0c\u6240\u4ee5\u5404\u4e2a\u6a21\u5757\u90fd\u4f1a\u5f15\u5165Event\u5934\u6587\u4ef6\uff0c\u4e0d\u5408\u7406\u7684\u4f9d\u8d56\u5173\u7cfb\u9020\u6210\u8fd9\u4e2a\u6587\u4ef6\u88ab\u6539\u52a8\uff0c\u51e0\u4e4e\u6240\u6709\u7684\u6a21\u5757\u90fd\u4f1a\u91cd\u65b0\u7f16\u8bd1\u3002<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/b24a93a4957fe95948f2f953176507c653198.png@583w_458h_80q\" alt=\"\" \/><\/p>\n<p>\u6bcf\u4e2a\u670d\u52a1\u6240\u9762\u4e34\u7684\u7f16\u8bd1\u95ee\u9898\u90fd\u6709\u5404\u81ea\u7684\u7279\u70b9\uff0c\u4f46\u662f\u9047\u5230\u95ee\u9898\u7684\u672c\u8d28\u539f\u56e0\u662f\u7c7b\u4f3c\u7684\uff0c\u7ed3\u5408\u7f16\u8bd1\u7684\u8fc7\u7a0b\u548c\u539f\u7406\uff0c\u6211\u4eec\u4ece\u9884\u7f16\u8bd1\u5c55\u5f00\u3001\u5934\u6587\u4ef6\u4f9d\u8d56\u4ee5\u53ca\u7f16\u8bd1\u8fc7\u7a0b\u8017\u65f63\u4e2a\u65b9\u9762\u5bf9DQU\u670d\u52a1\u7f16\u8bd1\u95ee\u9898\u8fdb\u884c\u4e86\u5206\u6790\u3002<\/p>\n<h3>3.1 \u7f16\u8bd1\u5c55\u5f00\u5206\u6790<\/h3>\n<p>\u7f16\u8bd1\u5c55\u5f00\u5206\u6790\u5c31\u662f\u901a\u8fc7C++\u7684\u9884\u7f16\u8bd1\u9636\u6bb5\u4fdd\u7559\u7684.ii\u6587\u4ef6\uff0c\u67e5\u770b\u901a\u8fc7\u5c55\u5f00\u540e\u7684\u7f16\u8bd1\u6587\u4ef6\u5927\u5c0f\uff0c\u5177\u4f53\u53ef\u4ee5\u901a\u8fc7\u5728cmake\u4e2d\u6307\u5b9a\u7f16\u8bd1\u9009\u578b \u201c-save-temps\u201d \u4fdd\u7559\u7f16\u8bd1\u4e2d\u95f4\u6587\u4ef6\u3002<\/p>\n<pre class=\"hljs bash\"><code><span class=\"hljs-built_in\">set<\/span>(CMAKE_CXX_FLAGS <span class=\"hljs-string\">\"-std=c++11 <span class=\"hljs-variable\">${CMAKE_CXX_FLAGS}<\/span> -ggdb -Og -fPIC -w -Wl,--export-dynamic -Wno-deprecated -fpermissive -save-temps\"<\/span>)\r\n<\/code><\/pre>\n<p>\u7f16\u8bd1\u8017\u65f6\u7684\u6700\u76f4\u63a5\u539f\u56e0\u5c31\u662f\u7f16\u8bd1\u6587\u4ef6\u5c55\u5f00\u4e4b\u540e\u6bd4\u8f83\u5927\uff0c\u901a\u8fc7\u7f16\u8bd1\u5c55\u5f00\u540e\u7684\u6587\u4ef6\u5927\u5c0f\u548c\u5185\u5bb9\uff0c\u901a\u8fc7\u9884\u7f16\u8bd1\u5c55\u5f00\u5206\u6790\u80fd\u770b\u5230\u6587\u4ef6\u5c55\u5f00\u540e\u7684\u6587\u4ef6\u670940\u591a\u4e07\u884c\uff0c\u53d1\u73b0\u6709\u5927\u91cf\u7684Boost\u5e93\u5f15\u7528\u53ca\u5934\u6587\u4ef6\u5f15\u7528\u9020\u6210\u7684\u5c55\u5f00\u6587\u4ef6\u6bd4\u8f83\u5927\uff0c\u5f71\u54cd\u5230\u7f16\u8bd1\u7684\u8017\u65f6\u3002\u901a\u8fc7\u8fd9\u4e2a\u65b9\u5f0f\u80fd\u591f\u627e\u5230\u5404\u4e2a\u6587\u4ef6\u7f16\u8bd1\u8017\u65f6\u7684\u5171\u6027\uff0c\u4e0b\u56fe\u662f\u7f16\u8bd1\u5c55\u5f00\u540e\u6587\u4ef6\u5927\u5c0f\u622a\u56fe\u3002<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p1.meituan.net\/travelcube\/e21c707d691f37ae1aa0f674da634d52488160.png@1920w_288h_80q\" alt=\"\" \/><\/p>\n<h3>3.2 \u5934\u6587\u4ef6\u4f9d\u8d56\u5206\u6790<\/h3>\n<p>\u5934\u6587\u4ef6\u4f9d\u8d56\u5206\u6790\u662f\u4ece\u5f15\u7528\u5934\u6587\u4ef6\u6570\u91cf\u7684\u89d2\u5ea6\u6765\u770b\u4ee3\u7801\u662f\u5426\u5408\u7406\u7684\u4e00\u79cd\u5206\u6790\u65b9\u5f0f\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86\u4e00\u4e2a\u811a\u672c\uff0c\u7528\u6765\u7edf\u8ba1\u5934\u6587\u4ef6\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u5e76\u4e14\u5206\u6790\u8f93\u51fa\u5934\u6587\u4ef6\u4f9d\u8d56\u5f15\u7528\u8ba1\u6570\uff0c\u7528\u6765\u8f85\u52a9\u5224\u65ad\u5934\u6587\u4ef6\u4f9d\u8d56\u5173\u7cfb\u662f\u5426\u5408\u7406\u3002<\/p>\n<p>(1) \u5934\u6587\u4ef6\u5f15\u7528\u603b\u6570\u7ed3\u679c\u7edf\u8ba1<\/p>\n<p>\u901a\u8fc7\u5de5\u5177\u7edf\u8ba1\u51fa\u7f16\u8bd1\u6e90\u6587\u4ef6\u76f4\u63a5\u548c\u95f4\u63a5\u4f9d\u8d56\u7684\u5934\u6587\u4ef6\u7684\u603b\u4e2a\u6570\uff0c\u7528\u6765\u4ece\u5934\u6587\u4ef6\u5f15\u5165\u6570\u91cf\u4e0a\u5206\u6790\u95ee\u9898\u3002<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/e0603312a066a86cc2546ee717eda99774462.png@998w_368h_80q\" alt=\"\" \/><\/p>\n<p>(2) \u5355\u4e2a\u5934\u6587\u4ef6\u4f9d\u8d56\u5173\u7cfb\u7edf\u8ba1<\/p>\n<p>\u901a\u8fc7\u5de5\u5177\u5206\u6790\u5934\u6587\u4ef6\u4f9d\u8d56\u5173\u7cfb\uff0c\u751f\u6210\u4f9d\u8d56\u5173\u7cfb\u62d3\u6251\u56fe\uff0c\u80fd\u591f\u76f4\u89c2\u7684\u770b\u5230\u4f9d\u8d56\u4e0d\u5408\u7406\u7684\u5730\u65b9\u3002<\/p>\n<p>\u56fe\u4e2d\u5305\u542b\u5f15\u7528\u5c42\u6b21\u5173\u7cfb\uff0c\u4ee5\u53ca\u5f15\u7528\u5934\u6587\u4ef6\u4e2a\u6570\u3002<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/67d830a520b8c50ec4ef0657fcfdb93134786.png@450w_467h_80q\" alt=\"\" \/><\/p>\n<h3>3.3 \u7f16\u8bd1\u8017\u65f6\u7ed3\u679c\u5206\u6bb5\u7edf\u8ba1<\/h3>\n<p>\u7f16\u8bd1\u8017\u65f6\u5206\u6bb5\u7edf\u8ba1\u662f\u4ece\u7ed3\u679c\u4e0a\u770b\u5404\u4e2a\u6587\u4ef6\u7684\u7f16\u8bd1\u8017\u65f6\u4ee5\u53ca\u5404\u4e2a\u7f16\u8bd1\u9636\u6bb5\u7684\u8017\u65f6\u60c5\u51b5\uff0c\u8fd9\u4e2a\u662f\u76f4\u89c2\u7684\u4e00\u4e2a\u7ed3\u679c\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u662f\u548c\u6587\u4ef6\u5c55\u5f00\u5927\u5c0f\u4ee5\u53ca\u5934\u6587\u4ef6\u5f15\u7528\u4e2a\u6570\u662f\u6b63\u76f8\u5173\u7684\uff0ccmake\u901a\u8fc7\u6307\u5b9a\u73af\u5883\u53d8\u91cf\u80fd\u6253\u5370\u51fa\u7f16\u8bd1\u548c\u94fe\u63a5\u9636\u6bb5\u7684\u8017\u65f6\u60c5\u51b5\uff0c\u901a\u8fc7\u8fd9\u4e2a\u6570\u636e\u80fd\u76f4\u89c2\u7684\u5206\u6790\u51fa\u8017\u65f6\u60c5\u51b5\u3002<\/p>\n<pre class=\"hljs less\"><code><span class=\"hljs-selector-tag\">set_property<\/span>(GLOBAL PROPERTY RULE_LAUNCH_COMPILE <span class=\"hljs-string\">\"${CMAKE_COMMAND} -E time\"<\/span>)\r\n<span class=\"hljs-selector-tag\">set_property<\/span>(GLOBAL PROPERTY RULE_LAUNCH_LINK <span class=\"hljs-string\">\"${CMAKE_COMMAND} -E time\"<\/span>)\r\n<\/code><\/pre>\n<p><strong>\u7f16\u8bd1\u8017\u65f6\u7ed3\u679c\u8f93\u51fa\uff1a<\/strong><\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p1.meituan.net\/travelcube\/925cede8222e51701173be3820f37a0d643669.png@1736w_492h_80q\" alt=\"\" \/><\/p>\n<h3>3.4 \u5206\u6790\u5de5\u5177\u5efa\u8bbe<\/h3>\n<p>\u901a\u8fc7\u4e0a\u9762\u7684\u5de5\u5177\u5206\u6790\u80fd\u62ff\u5230\u51e0\u4e2a\u7f16\u8bd1\u6570\u636e\uff1a<\/p>\n<p>\u2460 \u5934\u6587\u4ef6\u4f9d\u8d56\u5173\u7cfb\u53ca\u4e2a\u6570\u3002 \u2461 \u9884\u7f16\u8bd1\u5c55\u5f00\u5927\u5c0f\u53ca\u5185\u5bb9\u3002 \u2462 \u5404\u4e2a\u6587\u4ef6\u7f16\u8bd1\u8017\u65f6\u3002 \u2463 \u6574\u4f53\u94fe\u63a5\u8017\u65f6\u3002 \u2464 \u53ef\u4ee5\u8ba1\u7b97\u51fa\u7f16\u8bd1\u5e76\u884c\u5ea6\u3002<\/p>\n<p>\u901a\u8fc7\u8fd9\u51e0\u4e2a\u6570\u636e\u7684\u8f93\u5165\u6211\u4eec\u8003\u8651\u53ef\u4ee5\u505a\u4e2a\u81ea\u52a8\u5316\u5206\u6790\u5de5\u5177\uff0c\u627e\u51fa\u4f18\u5316\u70b9\u4ee5\u53ca\u754c\u9762\u5316\u5c55\u793a\u3002\u57fa\u4e8e\u8fd9\u4e2a\u76ee\u7684\uff0c\u6211\u4eec\u5efa\u8bbe\u4e86\u5168\u6d41\u7a0b\u81ea\u52a8\u5316\u5206\u6790\u5de5\u5177\uff0c\u80fd\u591f\u81ea\u52a8\u5206\u6790\u8017\u65f6\u5171\u6027\u95ee\u9898\u4ee5\u53caTopN\u8017\u65f6\u6587\u4ef6\u3002\u5206\u6790\u5de5\u5177\u5904\u7406\u6d41\u7a0b\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/3653934c49f0043d91f0268e8b2d8d3243365.png@778w_370h_80q\" alt=\"\" \/><\/p>\n<p>(1) \u6574\u4f53\u7edf\u8ba1\u5206\u6790\u6548\u679c<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/f21cd0180864beed2def8f3a3f74b1c5593737.png@1920w_534h_80q\" alt=\"\" \/><\/p>\n<p>\u5177\u4f53\u5b57\u6bb5\u8bf4\u660e\uff1a<\/p>\n<p>\u2460 cost_time \u7f16\u8bd1\u8017\u65f6\uff0c\u5355\u4f4d\u662f\u79d2\u3002 \u2461 file_compile_size\uff0c\u7f16\u8bd1\u4e2d\u95f4\u6587\u4ef6\u5927\u5c0f\uff0c\u5355\u4f4d\u662fM\u3002 \u2462 file_name\uff0c\u6587\u4ef6\u540d\u79f0\u3002 \u2463 include_h_nums\uff0c\u5f15\u5165\u5934\u6587\u4ef6\u4e2a\u6570\uff0c\u5355\u4f4d\u662f\u4e2a\u3002 \u2464 top_h_files_info\uff0c \u5f15\u5165\u6700\u591a\u7684TopN\u5934\u6587\u4ef6\u3002<\/p>\n<p>(2\uff09Top10 \u7f16\u8bd1\u8017\u65f6\u6587\u4ef6\u7edf\u8ba1<\/p>\n<p>\u7528\u6765\u5c55\u793a\u7edf\u8ba1\u7f16\u8bd1\u8017\u65f6\u6700\u4e45\u7684TopN\u6587\u4ef6\uff0cN\u53ef\u4ee5\u81ea\u5b9a\u4e49\u6307\u5b9a\u3002<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/903ae62dde24d57fbcb1cc692f70039a423114.png@1920w_2297h_80q\" alt=\"\" \/><\/p>\n<p>\uff083\uff09Top10\u7f16\u8bd1\u4e2d\u95f4\u6587\u4ef6\u5927\u5c0f\u7edf\u8ba1<\/p>\n<p>\u901a\u8fc7\u7edf\u8ba1\u548c\u5c55\u793a\u7f16\u8bd1\u6587\u4ef6\u5927\u5c0f\uff0c\u7528\u6765\u5224\u65ad\u8fd9\u5757\u662f\u5426\u7b26\u5408\u9884\u671f\uff0c\u8fd9\u4e2a\u662f\u548c\u7f16\u8bd1\u8017\u65f6\u4e00\u4e00\u5bf9\u5e94\u7684\u3002<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p1.meituan.net\/travelcube\/305e022a376aebf7ae41cdaf0e83e57d469162.png@1920w_2297h_80q\" alt=\"\" \/><\/p>\n<p>\uff084\uff09Top10\u5f15\u5165\u6700\u591a\u5934\u6587\u4ef6\u7684\u5934\u6587\u4ef6\u7edf\u8ba1<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/a4ec2fa1404610ec0c209979ded4cf43468870.png@1920w_2222h_80q\" alt=\"\" \/><\/p>\n<p>\uff085\uff09Top10\u5934\u6587\u4ef6\u91cd\u590d\u6b21\u6570\u7edf\u8ba1<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/69e4227b89672eb2b31a822dcb29878f542015.png@1920w_2175h_80q\" alt=\"\" \/><\/p>\n<p>\u76ee\u524d\uff0c\u8fd9\u4e2a\u5de5\u5177\u652f\u6301\u4e00\u952e\u5316\u751f\u6210\u7f16\u8bd1\u8017\u65f6\u5206\u6790\u7ed3\u679c\uff0c\u5176\u4e2d\u51e0\u4e2a\u5c0f\u5de5\u5177\uff0c\u6bd4\u5982\u4f9d\u8d56\u6587\u4ef6\u4e2a\u6570\u5de5\u5177\u5df2\u7ecf\u96c6\u6210\u5230\u516c\u53f8\u7684\u4e0a\u7ebf\u96c6\u6210\u6d4b\u8bd5\u6d41\u7a0b\u4e2d\uff0c\u901a\u8fc7\u81ea\u52a8\u5316\u5de5\u5177\u68c0\u67e5\u4ee3\u7801\u6539\u52a8\u5bf9\u7f16\u8bd1\u8017\u65f6\u7684\u5f71\u54cd\uff0c\u5de5\u5177\u7684\u5efa\u8bbe\u8fd8\u5728\u4e0d\u65ad\u8fed\u4ee3\u4f18\u5316\u4e2d\uff0c\u540e\u7eed\u4f1a\u96c6\u6210\u5230\u516c\u53f8\u7684MCD\u5e73\u53f0\u4e2d\uff0c\u53ef\u4ee5\u81ea\u52a8\u5206\u6790\u6765\u5b9a\u4f4d\u7f16\u8bd1\u8017\u65f6\u957f\u7684\u95ee\u9898\uff0c\u89e3\u51b3\u5176\u5b83\u90e8\u95e8\u7f16\u8bd1\u8017\u65f6\u95ee\u9898\u3002<\/p>\n<h2>\u56db\u3001\u4f18\u5316\u65b9\u6848\u4e0e\u5b9e\u8df5<\/h2>\n<p>\u901a\u8fc7\u8fd0\u7528\u4e0a\u8ff0\u76f8\u5173\u5de5\u5177\uff0c\u6211\u4eec\u80fd\u591f\u53d1\u73b0Top10\u7f16\u8bd1\u8017\u65f6\u6587\u4ef6\u7684\u5171\u6027\uff0c\u6bd4\u5982\u90fd\u4f9d\u8d56\u6d88\u606f\u603b\u7ebf\u6587\u4ef6platform_query_analysis_enent.h\uff0c\u8fd9\u4e2a\u6587\u4ef6\u53c8\u76f4\u63a5\u95f4\u63a5\u5f15\u51652000\u591a\u4e2a\u5934\u6587\u4ef6\uff0c\u6211\u4eec\u91cd\u70b9\u4f18\u5316\u4e86\u8fd9\u7c7b\u6587\u4ef6\uff0c\u901a\u8fc7\u5de5\u5177\u7684\u7f16\u8bd1\u5c55\u5f00\uff0c\u627e\u51fa\u4e86Boost\u4f7f\u7528\u3001\u6a21\u677f\u7c7b\u5c55\u5f00\u3001Thrift\u5934\u6587\u4ef6\u5c55\u5f00\u7b49\u5171\u6027\u95ee\u9898\uff0c\u5e76\u9488\u5bf9\u8fd9\u4e9b\u95ee\u9898\u505a\u4e13\u95e8\u7684\u4f18\u5316\u3002\u6b64\u5916\uff0c\u6211\u4eec\u4e5f\u4f7f\u7528\u4e86\u4e00\u4e9b\u4e1a\u5185\u901a\u7528\u7684\u7f16\u8bd1\u4f18\u5316\u65b9\u6848\uff0c\u5e76\u53d6\u5f97\u4e86\u4e0d\u9519\u7684\u6548\u679c\u3002\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\u6211\u4eec\u91c7\u7528\u7684\u5404\u79cd\u4f18\u5316\u65b9\u6848\u3002<\/p>\n<h3>4.1 \u901a\u7528\u7f16\u8bd1\u52a0\u901f\u65b9\u6848<\/h3>\n<p>\u4e1a\u5185\u6709\u4e0d\u5c11\u901a\u7528\u7f16\u8bd1\u52a0\u901f\u5de5\u5177\uff08\u65b9\u6848\uff09\uff0c\u65e0\u9700\u4fb5\u5165\u4ee3\u7801\u5c31\u80fd\u63d0\u9ad8\u7f16\u8bd1\u901f\u5ea6\uff0c\u975e\u5e38\u503c\u5f97\u5c1d\u8bd5\u3002<\/p>\n<p>\uff081\uff09\u5e76\u884c\u7f16\u8bd1<\/p>\n<p>\u5728Linux\u5e73\u53f0\u4e0a\u4e00\u822c\u4f7f\u7528GNU\u7684Make\u5de5\u5177\u8fdb\u884c\u7f16\u8bd1\uff0c\u5728\u6267\u884cmake\u547d\u4ee4\u65f6\u53ef\u4ee5\u52a0\u4e0a<code>-j<\/code>\u53c2\u6570\u589e\u52a0\u7f16\u8bd1\u5e76\u884c\u5ea6\uff0c\u5982<code>make -j 4<\/code>\u5c06\u5f00\u542f4\u4e2a\u4efb\u52a1\u3002\u5728\u5b9e\u8df5\u4e2d\u6211\u4eec\u5e76\u4e0d\u5c06\u8be5\u53c2\u6570\u5199\u6b7b\uff0c\u800c\u662f\u901a\u8fc7<code>$(nproc)<\/code>\u65b9\u6cd5\u52a8\u6001\u83b7\u53d6\u7f16\u8bd1\u673a\u7684CPU\u6838\u6570\u4f5c\u4e3a\u7f16\u8bd1\u5e76\u53d1\u5ea6\uff0c\u4ece\u800c\u6700\u5927\u9650\u5ea6\u5229\u7528\u591a\u6838\u7684\u6027\u80fd\u4f18\u52bf\u3002<\/p>\n<p>\uff082\uff09\u5206\u5e03\u5f0f\u7f16\u8bd1<\/p>\n<p>\u4f7f\u7528\u5206\u5e03\u5f0f\u7f16\u8bd1\u6280\u672f\uff0c\u6bd4\u5982\u5229\u7528Distcc\u548cDmucs\u6784\u5efa\u5927\u89c4\u6a21\u3001\u5206\u5e03\u5f0fC++\u7f16\u8bd1\u73af\u5883\uff0cLinux\u5e73\u53f0\u5229\u7528\u7f51\u7edc\u96c6\u7fa4\u8fdb\u884c\u5206\u5e03\u5f0f\u7f16\u8bd1\uff0c\u9700\u8981\u8003\u8651\u7f51\u7edc\u65f6\u5ef6\u4e0e\u7f51\u7edc\u7a33\u5b9a\u6027\u3002\u5206\u5e03\u5f0f\u7f16\u8bd1\u9002\u5408\u89c4\u6a21\u8f83\u5927\u7684\u9879\u76ee\uff0c\u6bd4\u5982\u5355\u673a\u7f16\u8bd1\u9700\u8981\u6570\u5c0f\u65f6\u751a\u81f3\u6570\u5929\u3002DQU\u670d\u52a1\u4ece\u4ee3\u7801\u89c4\u6a21\u4ee5\u53ca\u5355\u673a\u7f16\u8bd1\u65f6\u957f\u6765\u8bf4\uff0c\u6682\u65f6\u8fd8\u4e0d\u9700\u8981\u4f7f\u7528\u5206\u5e03\u5f0f\u7684\u65b9\u5f0f\u6765\u52a0\u901f\uff0c\u5177\u4f53\u7ec6\u8282\u53ef\u4ee5\u53c2\u8003Distcc\u5b98\u65b9\u6587\u6863\u8bf4\u660e\u3002<\/p>\n<p>\uff083\uff09\u9884\u7f16\u8bd1\u5934\u6587\u4ef6<\/p>\n<p>PCH\uff08<a href=\"https:\/\/en.wikipedia.org\/wiki\/Precompiled_header#:~:text=In%20computer%20programming%2C%20a%20precompiled,to%20process%20for%20the%20compiler\">Precompiled Header<\/a>\uff09\uff0c\u8be5\u65b9\u6cd5\u9884\u5148\u5c06\u5e38\u7528\u5934\u6587\u4ef6\u7684\u7f16\u8bd1\u7ed3\u679c\u4fdd\u5b58\u8d77\u6765\uff0c\u8fd9\u6837\u7f16\u8bd1\u5668\u5728\u5904\u7406\u5bf9\u5e94\u7684\u5934\u6587\u4ef6\u5f15\u5165\u65f6\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u9884\u5148\u7f16\u8bd1\u597d\u7684\u7ed3\u679c\uff0c\u4ece\u800c\u52a0\u5feb\u6574\u4e2a\u7f16\u8bd1\u6d41\u7a0b\u3002PCH\u662f\u4e1a\u5185\u5341\u5206\u5e38\u7528\u7684\u52a0\u901f\u7f16\u8bd1\u7684\u65b9\u6cd5\uff0c\u4e14\u5927\u5bb6\u53cd\u9988\u6548\u679c\u975e\u5e38\u4e0d\u9519\u3002\u5728\u6211\u4eec\u7684\u9879\u76ee\u4e2d\uff0c\u7531\u4e8e\u6d89\u53ca\u5230\u5f88\u591aShared Library\u7684\u7f16\u8bd1\u751f\u6210\uff0c\u800cShared 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class=\"hljs diff\"><code>&gt;&gt;&gt; Fixing #includes in '\/opt\/meituan\/zhoulei\/query_analysis\/src\/common\/qa\/record\/brand_record.h'\r\n<span class=\"hljs-meta\">@@ -1,9 +1,10 @@<\/span>\r\n\u200b\r\n #ifndef _MTINTENTION_DATA_BRAND_RECORD_H_\r\n #define _MTINTENTION_DATA_BRAND_RECORD_H_\r\n<span class=\"hljs-deletion\">-#include \"qa\/data\/record.h\"<\/span>\r\n<span class=\"hljs-deletion\">-#include \"qa\/data\/template_map.hpp\"<\/span>\r\n<span class=\"hljs-deletion\">-#include \"qa\/data\/template_vector.hpp\"<\/span>\r\n<span class=\"hljs-deletion\">-#include &lt;boost\/serialization\/version.hpp&gt;<\/span>\r\n<span class=\"hljs-addition\">+#include &lt;boost\/serialization\/version.hpp&gt;  \/\/ for BOOST_CLASS_VERSION<\/span>\r\n<span class=\"hljs-addition\">+#include &lt;string&gt;                       \/\/ for string<\/span>\r\n<span class=\"hljs-addition\">+#include &lt;vector&gt;                       \/\/ for vector<\/span>\r\n<span class=\"hljs-addition\">+<\/span>\r\n<span class=\"hljs-addition\">+#include \"qa\/data\/file_buffer.h\"        \/\/ for REG_TEMPLATE_FILE_HANDLER<\/span>\r\n\u200b\r\n<\/code><\/pre>\n<h3>4.2 \u4ee3\u7801\u4f18\u5316\u65b9\u6848\u4e0e\u5b9e\u8df5<\/h3>\n<p>\uff081\uff09\u524d\u7f6e\u7c7b\u578b\u58f0\u660e<\/p>\n<p>\u901a\u8fc7\u5206\u6790\u5934\u6587\u4ef6\u5f15\u7528\u7edf\u8ba1\uff0c\u6211\u4eec\u53d1\u73b0\u9879\u76ee\u4e2d\u88ab\u5f15\u7528\u6700\u591a\u7684\u662f\u603b\u7ebf\u7c7b\u578bEvent\uff0c\u800c\u8be5\u7c7b\u578b\u4e2d\u53c8\u653e\u7f6e\u4e86\u5404\u79cd\u4e1a\u52a1\u9700\u8981\u7684\u6210\u5458\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<pre class=\"hljs cpp\"><code><span class=\"hljs-meta\">#<span class=\"hljs-meta-keyword\">include<\/span> \u201ca.h\u201d<\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-meta-keyword\">include<\/span> <span class=\"hljs-meta-string\">\"b.h\"<\/span><\/span>\r\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Event<\/span> {<\/span>\r\n<span class=\"hljs-comment\">\/\/ \u4e1a\u52a1A, B, C ...<\/span>\r\n  A1 a1;\r\n  A2 a2;\r\n \t<span class=\"hljs-comment\">\/\/ ...<\/span>\r\n  B1 b1;\r\n  B2 b2;\r\n  <span class=\"hljs-comment\">\/\/ ...<\/span>\r\n};\r\n<\/code><\/pre>\n<p>\u8fd9\u5bfc\u81f4Event\u4e2d\u5305\u542b\u4e86\u6570\u91cf\u5e9e\u5927\u7684\u5934\u6587\u4ef6\uff0c\u5728\u5934\u6587\u4ef6\u5c55\u5f00\u540e\uff0c\u6587\u4ef6\u5927\u5c0f\u8fbe\u523015M\uff1b\u800c\u5404\u79cd\u4e1a\u52a1\u90fd\u4f1a\u9700\u8981\u4f7f\u7528Event\uff0c\u81ea\u7136\u4f1a\u4e25\u91cd\u62d6\u7d2f\u7f16\u8bd1\u6027\u80fd\u3002<\/p>\n<p>\u6211\u4eec\u901a\u8fc7\u524d\u7f6e\u7c7b\u578b\u58f0\u660e\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5373\u4e0d\u5f15\u5165\u5bf9\u5e94\u7c7b\u578b\u7684\u5934\u6587\u4ef6\uff0c\u53ea\u505a\u524d\u7f6e\u58f0\u660e\uff0c\u5728Event\u4e2d\u53ea\u4f7f\u7528\u5bf9\u5e94\u7c7b\u578b\u7684\u6307\u9488\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre class=\"hljs cpp\"><code class=\"language-class\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">A2<\/span>;<\/span>\r\n<span class=\"hljs-comment\">\/\/ ...<\/span>\r\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Event<\/span> {<\/span>\r\n<span class=\"hljs-comment\">\/\/ \u4e1a\u52a1A, B, C ...<\/span>\r\n  <span class=\"hljs-built_in\">shared_ptr<\/span>&lt;A1&gt; a1;\r\n  <span class=\"hljs-built_in\">shared_ptr<\/span>&lt;A2&gt; a2;\r\n  <span class=\"hljs-comment\">\/\/ ...<\/span>\r\n  <span class=\"hljs-built_in\">shared_ptr<\/span>&lt;B1&gt; b1;\r\n  <span class=\"hljs-built_in\">shared_ptr<\/span>&lt;B2&gt; b2;\r\n  <span class=\"hljs-comment\">\/\/ ...<\/span>\r\n};\r\n<\/code><\/pre>\n<p>\u53ea\u6709\u5728\u771f\u6b63\u4f7f\u7528\u5bf9\u5e94\u6210\u5458\u53d8\u91cf\u65f6\uff0c\u624d\u9700\u8981\u5f15\u5165\u5bf9\u5e94\u5934\u6587\u4ef6\uff1b\u8fd9\u6837\u771f\u6b63\u505a\u5230\u4e86\u6309\u9700\u5f15\u5165\u5934\u6587\u4ef6\u3002<\/p>\n<p>\uff082\uff09\u5916\u90e8\u6a21\u677f<\/p>\n<p>\u7531\u4e8e\u6a21\u677f\u88ab\u4f7f\u7528\u65f6\u624d\u4f1a\u5b9e\u4f8b\u5316\u8fd9\u4e00\u7279\u6027\uff0c\u76f8\u540c\u7684\u5b9e\u4f8b\u53ef\u4ee5\u51fa\u73b0\u5728\u591a\u4e2a\u6587\u4ef6\u5bf9\u8c61\u4e2d\u3002\u7f16\u8bd1\u5668\u8981\u5bf9\u6bcf\u4e00\u5904\u6a21\u677f\u8fdb\u884c\u5b9e\u4f8b\u5316\uff0c\u94fe\u63a5\u5668\u8fd8\u8981\u79fb\u9664\u91cd\u590d\u7684\u5b9e\u4f8b\u5316\u4ee3\u7801\u3002\u5f53\u5728\u5e7f\u6cdb\u4f7f\u7528\u6a21\u677f\u7684\u9879\u76ee\u4e2d\uff0c\u7f16\u8bd1\u5668\u4f1a\u4ea7\u751f\u5927\u91cf\u7684\u5197\u4f59\u4ee3\u7801\uff0c\u8fd9\u4f1a\u6781\u5927\u5730\u589e\u52a0\u7f16\u8bd1\u65f6\u95f4\u548c\u94fe\u63a5\u65f6\u95f4\u3002C++ 11\u65b0\u6807\u51c6\u4e2d\u53ef\u4ee5\u901a\u8fc7\u5916\u90e8\u6a21\u677f\u6765\u907f\u514d\u3002<\/p>\n<pre class=\"hljs cpp\"><code class=\"language-C++\"><span class=\"hljs-comment\">\/\/ util.h<\/span>\r\n<span class=\"hljs-keyword\">template<\/span> &lt;<span class=\"hljs-keyword\">typename<\/span> T&gt; \r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">max<\/span><span class=\"hljs-params\">(T)<\/span> <\/span>{ ... }\r\n<\/code><\/pre>\n<pre class=\"hljs cpp\"><code><span class=\"hljs-comment\">\/\/ A.cpp<\/span>\r\n<span class=\"hljs-keyword\">extern<\/span> <span class=\"hljs-keyword\">template<\/span> <span class=\"hljs-keyword\">void<\/span> max&lt;<span class=\"hljs-keyword\">int<\/span>&gt;(<span class=\"hljs-keyword\">int<\/span>);\r\n<span class=\"hljs-meta\">#<span class=\"hljs-meta-keyword\">include<\/span> <span class=\"hljs-meta-string\">\"util.h\"<\/span><\/span>\r\n<span class=\"hljs-keyword\">template<\/span> <span class=\"hljs-keyword\">void<\/span> max&lt;<span class=\"hljs-keyword\">int<\/span>&gt;(<span class=\"hljs-keyword\">int<\/span>); <span class=\"hljs-comment\">\/\/ \u663e\u5f0f\u5730\u5b9e\u4f8b\u5316 <\/span>\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">test1<\/span><span class=\"hljs-params\">()<\/span>\r\n<\/span>{ \r\n    max(<span class=\"hljs-number\">1<\/span>);\r\n}\r\n<\/code><\/pre>\n<p>\u200b\u5728\u7f16\u8bd1A.cpp\u7684\u65f6\u5019\uff0c\u5b9e\u4f8b\u5316\u51fa\u4e00\u4e2a max&lt;int&gt;(int)\u7248\u672c\u7684\u51fd\u6570\u3002<\/p>\n<pre class=\"hljs cpp\"><code class=\"language-C++\"><span class=\"hljs-comment\">\/\/ B.cpp<\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-meta-keyword\">include<\/span> <span class=\"hljs-meta-string\">\"util.h\"<\/span><\/span>\r\n<span class=\"hljs-keyword\">extern<\/span> <span class=\"hljs-keyword\">template<\/span> <span class=\"hljs-keyword\">void<\/span> max&lt;<span class=\"hljs-keyword\">int<\/span>&gt;(<span class=\"hljs-keyword\">int<\/span>); <span class=\"hljs-comment\">\/\/ \u5916\u90e8\u6a21\u677f\u7684\u58f0\u660e<\/span>\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">test2<\/span><span class=\"hljs-params\">()<\/span>\r\n<\/span>{\r\n    max(<span class=\"hljs-number\">2<\/span>);\r\n}\r\n<\/code><\/pre>\n<p>\u5728\u7f16\u8bd1B.cpp\u7684\u65f6\u5019\uff0c\u5c31\u4e0d\u518d\u751f\u6210 max&lt;int&gt;(int)\u5b9e\u4f8b\u5316\u4ee3\u7801\uff0c\u8fd9\u6837\u5c31\u8282\u7701\u4e86\u524d\u9762\u63d0\u5230\u7684\u5b9e\u4f8b\u5316\uff0c\u7f16\u8bd1\u4ee5\u53ca\u94fe\u63a5\u7684\u8017\u65f6\u4e86\u3002<\/p>\n<p>\uff083\uff09\u591a\u6001\u66ff\u6362\u6a21\u677f\u4f7f\u7528<\/p>\n<p>\u6211\u4eec\u7684\u9879\u76ee\u91cd\u5ea6\u4f7f\u7528\u8bcd\u5178\u76f8\u5173\u64cd\u4f5c\uff0c\u5982\u52a0\u8f7d\u8bcd\u5178\u3001\u89e3\u6790\u8bcd\u5178\u3001\u5339\u914d\u8bcd\u5178\uff08\u5404\u79cd\u82b1\u5f0f\u5339\u914d\uff09\uff0c\u8fd9\u4e9b\u64cd\u4f5c\u90fd\u662f\u901a\u8fc7Template\u6a21\u677f\u6269\u5c55\u652f\u6301\u5404\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u8bcd\u5178\u3002\u636e\u7edf\u8ba1\uff0c\u8bcd\u5178\u7684\u7c7b\u578b\u8d85\u8fc7150\u4e2a\uff0c\u8fd9\u4e5f\u9020\u6210\u6a21\u677f\u5c55\u5f00\u7684\u4ee3\u7801\u91cf\u81a8\u80c0\u3002<\/p>\n<pre class=\"hljs cpp\"><code class=\"language-C++\"><span class=\"hljs-keyword\">template<\/span> &lt;<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">R<\/span>&gt;\r\n<span class=\"hljs-title\">class<\/span> <span class=\"hljs-title\">Dict<\/span> {<\/span>\r\n<span class=\"hljs-keyword\">public<\/span>:\r\n  <span class=\"hljs-comment\">\/\/ \u5339\u914dkey\u548ccondition\uff0c\u8d4b\u503c\u7ed9record<\/span>\r\n  <span class=\"hljs-function\"><span class=\"hljs-keyword\">bool<\/span> <span class=\"hljs-title\">match<\/span><span class=\"hljs-params\">(<span class=\"hljs-keyword\">const<\/span> <span class=\"hljs-built_in\">string<\/span> &amp;key, <span class=\"hljs-keyword\">const<\/span> <span class=\"hljs-built_in\">string<\/span> &amp;condition, R &amp;record)<\/span><\/span>;  <span class=\"hljs-comment\">\/\/ \u5bf9\u6bcf\u79cd\u7c7b\u578b\u7684Record\u90fd\u4f1a\u5c55\u5f00\u4e00\u6b21<\/span>\r\n<span class=\"hljs-keyword\">private<\/span>:\r\n  <span class=\"hljs-built_in\">map<\/span>&lt;<span class=\"hljs-built_in\">string<\/span>, R&gt; dict;\r\n};\r\n<\/code><\/pre>\n<p>\u200b\u5e78\u8fd0\u7684\u662f\uff0c\u6211\u4eec\u8bcd\u5178\u7684\u7edd\u5927\u90e8\u5206\u64cd\u4f5c\u90fd\u53ef\u4ee5\u62bd\u8c61\u51fa\u51e0\u7c7b\u63a5\u53e3\uff0c\u56e0\u6b64\u53ef\u4ee5\u53ea\u5b9e\u73b0\u9488\u5bf9\u57fa\u7c7b\u7684\u64cd\u4f5c\uff1a<\/p>\n<pre class=\"hljs cpp\"><code class=\"language-C++\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Record<\/span> {<\/span>  <span class=\"hljs-comment\">\/\/ \u57fa\u7c7b<\/span>\r\n<span class=\"hljs-keyword\">public<\/span>:\r\n  <span class=\"hljs-function\"><span class=\"hljs-keyword\">virtual<\/span> <span class=\"hljs-keyword\">bool<\/span> <span class=\"hljs-title\">match<\/span><span class=\"hljs-params\">(<span class=\"hljs-keyword\">const<\/span> <span class=\"hljs-built_in\">string<\/span> &amp;condition)<\/span><\/span>;  <span class=\"hljs-comment\">\/\/ \u6d3e\u751f\u7c7b\u9700\u5b9e\u73b0<\/span>\r\n};\r\n\u200b\r\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Dict<\/span> {<\/span>\r\n<span class=\"hljs-keyword\">public<\/span>:\r\n  <span class=\"hljs-built_in\">shared_ptr<\/span>&lt;Record&gt; match(<span class=\"hljs-keyword\">const<\/span> <span class=\"hljs-built_in\">string<\/span> &amp;key, <span class=\"hljs-keyword\">const<\/span> <span class=\"hljs-built_in\">string<\/span> &amp;condition);  <span class=\"hljs-comment\">\/\/ \u4f7f\u7528\u65b9\u4f20\u5165\u6d3e\u751f\u7c7b\u7684\u6307\u9488\u5373\u53ef<\/span>\r\n<span class=\"hljs-keyword\">private<\/span>:\r\n  <span class=\"hljs-built_in\">map<\/span>&lt;<span class=\"hljs-built_in\">string<\/span>, <span class=\"hljs-built_in\">shared_ptr<\/span>&lt;Record&gt;&gt; dict;\r\n};\r\n<\/code><\/pre>\n<p>\u200b\u901a\u8fc7\u7ee7\u627f\u548c\u591a\u6001\uff0c\u6211\u4eec\u6709\u6548\u907f\u514d\u4e86\u5927\u91cf\u7684\u6a21\u677f\u5c55\u5f00\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528\u6307\u9488\u4f5c\u4e3aMap\u7684Value\u4f1a\u589e\u52a0\u5185\u5b58\u5206\u914d\u7684\u538b\u529b\uff0c\u63a8\u8350\u4f7f\u7528Tcmalloc\u6216Jemalloc\u66ff\u6362\u9ed8\u8ba4\u7684Ptmalloc\u4f18\u5316\u5185\u5b58\u5206\u914d\u3002<\/p>\n<p>\uff084\uff09\u66ff\u6362Boost\u5e93<\/p>\n<p>Boost\u662f\u4e00\u4e2a\u5e7f\u6cdb\u4f7f\u7528\u7684\u57fa\u7840\u5e93\uff0c\u6db5\u76d6\u4e86\u5927\u91cf\u5e38\u7528\u51fd\u6570\uff0c\u5341\u5206\u65b9\u4fbf\u3001\u597d\u7528\uff0c\u7136\u800c\u4e5f\u5b58\u5728\u4e00\u4e9b\u4e0d\u8db3\u4e4b\u5904\u3002\u4e00\u4e2a\u663e\u8457\u7f3a\u70b9\u662f\u5176\u5b9e\u73b0\u91c7\u7528\u4e86hpp\u7684\u5f62\u5f0f\uff0c\u5373\u58f0\u660e\u548c\u5b9e\u73b0\u5747\u653e\u5728\u5934\u6587\u4ef6\u4e2d\uff0c\u8fd9\u4f1a\u9020\u6210\u9884\u7f16\u8bd1\u5c55\u5f00\u540e\u5341\u5206\u5de8\u5927\u3002<\/p>\n<pre class=\"hljs cpp\"><code class=\"language-C++\"><span class=\"hljs-comment\">\/\/ \u5b57\u7b26\u4e32\u64cd\u4f5c\u662f\u5e38\u7528\u529f\u80fd\uff0c\u4ec5\u4ec5\u5f15\u5165\u8be5\u5934\u6587\u4ef6\u5c55\u5f00\u5927\u5c0f\u5c31\u8d85\u8fc74M<\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-meta-keyword\">include<\/span> <span class=\"hljs-meta-string\">&lt;boost\/algorithm\/string.hpp&gt;<\/span><\/span>\r\n<span class=\"hljs-comment\">\/\/ \u4e0e\u6b64\u76f8\u5bf9\u7684\uff0c\u5f15\u5165\u591a\u4e2aSTL\u7684\u5934\u6587\u4ef6\uff0c\u5c55\u5f00\u540e\u4ec5\u4ec5\u53ea\u67091M<\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-meta-keyword\">include<\/span> <span class=\"hljs-meta-string\">&lt;vector&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-meta-keyword\">include<\/span> <span class=\"hljs-meta-string\">&lt;map&gt;<\/span><\/span>\r\n<span class=\"hljs-comment\">\/\/ ...<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u6211\u4eec\u9879\u76ee\u4e2d\u4e3b\u8981\u4f7f\u7528\u7684Boost\u51fd\u6570\u4e0d\u8d85\u8fc7\u4e8c\u5341\u4e2a\uff0c\u90e8\u5206\u53ef\u4ee5\u5728STL\u4e2d\u627e\u5230\u66ff\u4ee3\uff0c\u90e8\u5206\u6211\u4eec\u624b\u52a8\u505a\u4e86\u5b9e\u73b0\uff0c\u4f7f\u5f97\u9879\u76ee\u4ece\u91cd\u5ea6\u4f9d\u8d56Boost\u8f6c\u53d8\u6210\u7edd\u5927\u90e8\u5206\u8fbe\u5230Boost-Free\uff0c\u5927\u5927\u964d\u4f4e\u4e86\u7f16\u8bd1\u7684\u8d1f\u62c5\u3002<\/p>\n<p>\uff085\uff09\u9884\u7f16\u8bd1<\/p>\n<p>\u4ee3\u7801\u4e2d\u6709\u4e00\u4e9b\u5e73\u5e38\u6539\u52a8\u6bd4\u8f83\u5c11\uff0c\u4f46\u662f\u5bf9\u7f16\u8bd1\u8017\u65f6\u4ea7\u751f\u4e00\u5b9a\u7684\u5f71\u54cd\uff0c\u6bd4\u5982Thrift\u751f\u6210\u7684\u6587\u4ef6\uff0c\u6a21\u578b\u5e93\u6587\u4ef6\u4ee5\u53caCommon\u76ee\u5f55\u4e0b\u7684\u901a\u7528\u6587\u4ef6\uff0c\u6211\u4eec\u91c7\u53d6\u63d0\u8d77\u9884\u7f16\u8bd1\u6210\u52a8\u6001\u5e93\uff0c\u51cf\u5c11\u540e\u7eed\u6587\u4ef6\u7684\u7f16\u8bd1\u8017\u65f6\uff0c\u4e5f\u89e3\u51b3\u4e86\u90e8\u5206\u7f16\u8bd1\u4f9d\u8d56\u3002<\/p>\n<p>\uff086\uff09\u89e3\u51b3\u7f16\u8bd1\u4f9d\u8d56\uff0c\u63d0\u9ad8\u7f16\u8bd1\u5e76\u884c\u5ea6<\/p>\n<p>\u5728\u6211\u4eec\u9879\u76ee\u4e2d\u6709\u5927\u91cf\u6a21\u5757\u7ea7\u522b\u7684\u52a8\u6001\u5e93\u6587\u4ef6\u9700\u8981\u7f16\u8bd1\uff0ccmake\u6587\u4ef6\u6307\u5b9a\u7684\u7f16\u8bd1\u4f9d\u8d56\u5173\u7cfb\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u9650\u5236\u4e86\u7f16\u8bd1\u5e76\u884c\u5ea6\u7684\u6267\u884c\u3002<\/p>\n<p>\u6bd4\u5982\u4e0b\u9762\u8fd9\u4e2a\u573a\u666f\uff0c\u901a\u8fc7\u5408\u7406\u8bbe\u7f6e\u5e93\u6587\u4ef6\u4f9d\u8d56\u5173\u7cfb\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7f16\u8bd1\u5e76\u884c\u5ea6\u3002<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/8fe9366374b9560f459457a727f8202f84890.png@1604w_561h_80q\" alt=\"\" \/><\/p>\n<h3>4.3 \u4f18\u5316\u6548\u679c<\/h3>\n<p>\u6211\u4eec\u901a\u8fc732C\u300164G\u5185\u5b58\u673a\u5668\u505a\u4e86\u7f16\u8bd1\u8017\u65f6\u4f18\u5316\u524d\u540e\u7684\u6548\u679c\u5bf9\u6bd4\uff0c\u7edf\u8ba1\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/be9bc08e5cd6164bf06a320ddd42891a440783.png@1420w_870h_80q\" alt=\"\" \/><\/p>\n<p><img decoding=\"async\" class=\"zoom-in-cursor\" src=\"https:\/\/p0.meituan.net\/travelcube\/bd48f1bc99e99be058fdded00f8a0c82150980.png@1616w_972h_80q\" alt=\"\" \/><\/p>\n<h3>4.4 \u5b88\u4f4f\u4f18\u5316\u6210\u679c<\/h3>\n<p>\u7f16\u8bd1\u4f18\u5316\u662f\u4e00\u4ef6\u201c\u9006\u6c34\u884c\u821f\u201d\u7684\u4e8b\u60c5\uff0c\u5f00\u53d1\u4eba\u5458\u603b\u662f\u503e\u5411\u4e8e\u4e0d\u65ad\u589e\u52a0\u65b0\u7684\u529f\u80fd\u3001\u65b0\u7684\u5e93\u4e43\u81f3\u65b0\u7684\u6846\u67b6\uff0c\u800c\u8981\u5220\u9664\u65e7\u4ee3\u7801\u3001\u65e7\u5e93\u3001\u4e0b\u7ebf\u65e7\u6846\u67b6\u603b\u662f\u56f0\u96be\u91cd\u91cd\uff08\u76f8\u4fe1\u4e00\u7ebf\u5f00\u53d1\u4eba\u5458\u4e00\u5b9a\u6df1\u6709\u4f53\u4f1a\uff09\u3002\u56e0\u6b64\uff0c\u5982\u4f55\u5b88\u4f4f\u4e4b\u524d\u53d6\u5f97\u7684\u4f18\u5316\u6210\u679c\u4e5f\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u6211\u4eec\u5728\u5b9e\u8df5\u4e2d\u6709\u4ee5\u4e0b\u51e0\u70b9\u4f53\u4f1a\uff1a<\/p>\n<ul>\n<li>\u4ee3\u7801\u5ba1\u6838\u662f\u56f0\u96be\u7684\uff08\u5f15\u8d77\u7f16\u8bd1\u8017\u65f6\u589e\u52a0\u7684\u6539\u52a8\uff0c\u5f80\u5f80\u65e0\u6cd5\u901a\u8fc7\u5ba1\u6838\u4ee3\u7801\u76f4\u89c2\u5730\u53d1\u73b0\uff09\u3002<\/li>\n<li>\u5de5\u5177\u3001\u6d41\u7a0b\u624d\u503c\u5f97\u4f9d\u8d56\u3002<\/li>\n<li>\u5173\u952e\u5728\u4e8e\u63a7\u5236\u589e\u91cf\u3002<\/li>\n<\/ul>\n<p>\u6211\u4eec\u53d1\u73b0\uff0ccpp\u6587\u4ef6\u7684\u7f16\u8bd1\u8017\u65f6\uff0c\u548c\u5176\u9884\u7f16\u8bd1\u5c55\u5f00\u6587\u4ef6\uff08.ii\uff09\u5927\u5c0f\u5448\u6b63\u76f8\u5173\uff08\u7edd\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\uff09\uff1b\u5bf9\u6bcf\u4e00\u4e2a\u4e0a\u7ebf\u7248\u672c\uff0c\u5c06\u5176\u6240\u6709cpp\u6587\u4ef6\u7684\u9884\u7f16\u8bd1\u5c55\u5f00\u5927\u5c0f\u8bb0\u5f55\u4e0b\u6765\uff0c\u5c31\u5f62\u6210\u4e86\u5176\u7f16\u8bd1\u6307\u7eb9\uff08CF\uff0cCompile Fingerprint\uff09\u3002\u901a\u8fc7\u6bd4\u8f83\u76f8\u90bb\u4e24\u4e2a\u7248\u672c\u7684CF\uff0c\u5c31\u80fd\u8f83\u51c6\u786e\u7684\u77e5\u9053\u65b0\u7248\u5e26\u6765\u7684\u7f16\u8bd1\u8017\u65f6\u4e3b\u8981\u7531\u54ea\u4e9b\u6539\u52a8\u5f15\u5165\uff0c\u5e76\u53ef\u4ee5\u8fdb\u4e00\u6b65\u5206\u6790\u8017\u65f6\u4e0a\u6da8\u662f\u5426\u5408\u7406\uff0c\u662f\u5426\u6709\u4f18\u5316\u7a7a\u95f4\u3002<\/p>\n<p>\u6211\u4eec\u5c06\u8be5\u79cd\u65b9\u5f0f\u5236\u4f5c\u6210\u811a\u672c\u5de5\u5177\u5e76\u5f15\u5165\u4e0a\u7ebf\u6d41\u7a0b\uff0c\u4ece\u800c\u80fd\u591f\u5f88\u6e05\u695a\u7684\u4e86\u89e3\u6bcf\u6b21\u4ee3\u7801\u53d1\u7248\u5e26\u6765\u7684\u7f16\u8bd1\u6027\u80fd\u5f71\u54cd\uff0c\u5e76\u6709\u6548\u5730\u5e2e\u52a9\u6211\u4eec\u5b88\u4f4f\u524d\u671f\u7684\u4f18\u5316\u6210\u679c\u3002<\/p>\n<h2>\u4e94\u3001\u603b\u7ed3<\/h2>\n<p>DQU\u9879\u76ee\u662f\u7f8e\u56e2\u641c\u7d22\u4e1a\u52a1\u73af\u8282\u4e2d\u91cd\u8981\u7684\u4e00\u73af\uff0c\u8be5\u7cfb\u7edf\u9700\u8981\u5bf9\u63a520+RPC\u3001\u6570\u5341\u4e2a\u6a21\u578b\u3001\u52a0\u8f7d\u8d85\u8fc7300\u4e2a\u8bcd\u5178\uff0c\u4f7f\u7528\u5185\u5b58\u6570\u5341G\uff0c\u65e5\u5747\u54cd\u5e94\u8bf7\u6c42\u8d85\u8fc720\u4ebf\u7684\u5927\u578bC++\u670d\u52a1\u3002\u5728\u4e1a\u52a1\u9ad8\u901f\u8fed\u4ee3\u7684\u60c5\u51b5\uff0c\u5197\u957f\u7684\u7f16\u8bd1\u65f6\u95f4\u4e3a\u5f00\u53d1\u540c\u5b66\u5e26\u6765\u8f83\u5927\u7684\u56f0\u6270\uff0c\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u5236\u7ea6\u4e86\u5f00\u53d1\u6548\u7387\u3002\u6700\u7ec8\u6211\u4eec\u901a\u8fc7\u7f16\u8bd1\u4f18\u5316\u5206\u6790\u5de5\u5177\u5efa\u8bbe\uff0c\u7ed3\u5408\u91c7\u7528\u4e86\u901a\u7528\u7f16\u8bd1\u4f18\u5316\u52a0\u901f\u65b9\u6848\u548c\u4ee3\u7801\u5c42\u9762\u7684\u4f18\u5316\uff0c\u5c06DQU\u7684\u7f16\u8bd1\u65f6\u95f4\u7f29\u77ed\u4e8670%\uff0c\u5e76\u901a\u8fc7\u5f15CCache\u7b49\u624b\u6bb5\uff0c\u4f7f\u5f97\u672c\u5730\u5f00\u53d1\u7684\u7f16\u8bd1\uff0c\u80fd\u591f\u5728100s\u5185\u5b8c\u6210\uff0c\u7ed9\u5f00\u53d1\u56e2\u961f\u8282\u7701\u4e86\u5927\u91cf\u7684\u65f6\u95f4\u3002<\/p>\n<p>\u5728\u53d6\u5f97\u9636\u6bb5\u6027\u6210\u679c\u4e4b\u540e\uff0c\u6211\u4eec\u603b\u7ed3\u6574\u4e2a\u95ee\u9898\u89e3\u51b3\u7684\u8fc7\u7a0b\uff0c\u5e76\u6c89\u6dc0\u51fa\u4e00\u4e9b\u5206\u6790\u65b9\u6cd5\u3001\u5de5\u5177\u4ee5\u53ca\u6d41\u7a0b\u89c4\u8303\u3002\u8fd9\u4e9b\u5de5\u5177\u5728\u540e\u7eed\u7684\u5f00\u53d1\u8fed\u4ee3\u8fc7\u7a0b\u4e2d\uff0c\u80fd\u591f\u5feb\u901f\u6709\u6548\u5730\u68c0\u6d4b\u65b0\u7684\u4ee3\u7801\u53d8\u66f4\u5e26\u6765\u7684\u7f16\u8bd1\u65f6\u95f4\u53d8\u5316\uff0c\u5e76\u6210\u4e3a\u4e86\u6211\u4eec\u7684\u4e0a\u7ebf\u6d41\u7a0b\u68c0\u67e5\u4e2d\u7684\u4e00\u73af\u68c0\u6d4b\u6807\u51c6\u3002\u8fd9\u4e00\u70b9\u4e0e\u6211\u4eec\u4ee5\u5f80\u4e00\u6b21\u6027\u7684\u6216\u8005\u9488\u5bf9\u6027\u7684\u7f16\u8bd1\u4f18\u5316\uff0c\u4ea7\u751f\u4e86\u5f88\u5927\u7684\u533a\u522b\u3002\u6bd5\u7adf\u4ee3\u7801\u7684\u7ef4\u62a4\u662f\u4e00\u4e2a\u6301\u4e45\u7684\u8fc7\u7a0b\uff0c\u7cfb\u7edf\u5316\u7684\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u4e0d\u53ea\u662f\u9700\u8981\u6709\u6548\u7684\u65b9\u6cd5\u548c\u4fbf\u6377\u7684\u5de5\u5177\uff0c\u66f4\u9700\u8981\u4e00\u4e2a\u6807\u51c6\u5316\u7684\uff0c\u89c4\u8303\u5316\u7684\u4e0a\u7ebf\u6d41\u7a0b\u6765\u4fdd\u6301\u6210\u679c\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u5927\u5bb6\u80fd\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ul>\n<li>[1]\u300a\u7f16\u8bd1\u539f\u7406\u900f\u89c6\u00b7\u56fe\u89e3\u7f16\u8bd1\u539f\u7406\u300b<\/li>\n<li>[2]\u00a0<a href=\"https:\/\/ccache.dev\/\">CCache<\/a><\/li>\n<li>[3]\u00a0<a href=\"https:\/\/linux.die.net\/man\/1\/distcc\">\u5206\u5e03\u5f0f\u7f16\u8bd1<\/a><\/li>\n<li>[4]\u00a0<a href=\"https:\/\/docs.microsoft.com\/en-us\/cpp\/build\/creating-precompiled-header-files?view=vs-2019\">\u5934\u6587\u4ef6\u9884\u7f16\u8bd1<\/a><\/li>\n<li>[5]\u00a0<a href=\"https:\/\/gcc.gnu.org\/onlinedocs\/gcc\/Precompiled-Headers.html\">\u5934\u6587\u4ef6\u9884\u7f16\u8bd1<\/a><\/li>\n<li>[6]\u00a0<a href=\"http:\/\/www.cplusplus.com\/doc\/oldtutorial\/templates\/\">C++ Templates<\/a><\/li>\n<li>[7]\u00a0<a href=\"https:\/\/github.com\/include-what-you-use\/include-what-you-use\/blob\/master\/README.md\">Include-what-you-use<\/a><\/li>\n<\/ul>\n<h2>\u4f5c\u8005\u7b80\u4ecb<\/h2>\n<p>\u672c\u6587\u4f5c\u8005\u5468\u78ca\u3001\u8bc6\u701a\u3001\u6731\u8d85\u3001\u738b\u946b\u3001\u5218\u4eae\u3001\u660c\u672f\u3001\u674e\u8d85\u3001\u4e91\u68ee\u3001\u6c38\u8d85\u7b49\uff0c\u5747\u6765\u81ea\u7f8e\u56e2AI\u5e73\u53f0\u641c\u7d22\u4e0eNLP\u90e8\u3002<\/p>\n<p><strong>|<\/strong>\u00a0\u60f3\u9605\u8bfb\u66f4\u591a\u6280\u672f\u6587\u7ae0\uff0c\u8bf7\u5173\u6ce8\u7f8e\u56e2\u6280\u672f\u56e2\u961f\uff08meituantech\uff09\u5b98\u65b9\u5fae\u4fe1\u516c\u4f17\u53f7\u3002<\/p>\n<p><strong>|<\/strong>\u00a0\u5728\u516c\u4f17\u53f7\u83dc\u5355\u680f\u56de\u590d\u30102019\u5e74\u8d27\u3011\u3001\u30102018\u5e74\u8d27\u3011\u3001\u30102017\u5e74\u8d27\u3011\u3001\u3010\u7b97\u6cd5\u3011\u7b49\u5173\u952e\u8bcd\uff0c\u53ef\u67e5\u770b\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u5386\u5e74\u6280\u672f\u6587\u7ae0\u5408\u96c6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740 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