{"id":2529,"date":"2024-12-07T11:18:27","date_gmt":"2024-12-07T03:18:27","guid":{"rendered":"https:\/\/guapicoding.com\/?p=2529"},"modified":"2025-06-02T22:24:11","modified_gmt":"2025-06-02T14:24:11","slug":"%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f%e6%b7%b1%e5%b1%82%e5%89%96%e6%9e%90","status":"publish","type":"post","link":"https:\/\/guapicoding.com\/?p=2529","title":{"rendered":"\u64cd\u4f5c\u7cfb\u7edf\u6df1\u5c42\u5256\u6790"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u8fdb\u7a0b\/\u7ebf\u7a0b\/\u534f\u7a0b<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">\u8fdb\u7a0b\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fdb\u7a0b\u662f\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c<strong>\u8d44\u6e90\u5206\u914d<\/strong>\u7684\u57fa\u672c\u5355\u4f4d\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1<strong>\u72ec\u7acb\u5185\u5b58\u7a7a\u95f4<\/strong>\u3002<\/li>\n\n\n\n<li>\u7531\u4e8e\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u72ec\u2f74\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u521b\u5efa\u548c\u9500\u6bc1\u8fdb\u7a0b\u7684\u5f00\u9500\u8f83\u2f24\u3002<\/li>\n\n\n\n<li>\u8fdb\u7a0b\u95f4\u5207\u6362\u9700\u8981\u4fdd\u5b58\u548c\u6062\u590d\u6574\u4e2a\u8fdb\u7a0b\u7684\u72b6\u6001(\u6808\u3001\u5bc4\u5b58\u5668\u865a\u62df\u5185\u5b58\u3001\u6587\u4ef6\u53e5\u67c4\u3001\u6253\u5f00\u7684\u6587\u4ef6\u8d44\u6e90\u4fe1\u606f\u7b49)\uff0c\u56e0\u6b64\u4e0a\u4e0b\u2f42\u5207\u6362\u7684\u5f00\u9500\u8f83\u9ad8\u3002<\/li>\n\n\n\n<li>\u7531\u4e8e\u8fdb\u7a0b\u95f4\u76f8\u4e92\u9694\u79bb\uff0c\u8fdb\u7a0b\u4e4b\u95f4\u7684\u901a\u4fe1\u9700\u8981\u4f7f\u2f64\u2f00\u4e9b\u7279\u6b8a\u673a\u5236\uff0c\u5982\u7ba1\u9053\u3001\u6d88\u606f\u961f\u5217\u3001\u5171\u4eab\u5185\u5b58\u7b49\u3002<\/li>\n\n\n\n<li>\u7531\u4e8e\u8fdb\u7a0b\u95f4\u76f8\u4e92\u9694\u79bb\uff0c\u2f00\u4e2a\u8fdb\u7a0b\u7684\u5d29\u6e83\u4e0d\u4f1a\u76f4\u63a5\u5f71\u54cd\u5176\u4ed6\u8fdb\u7a0b\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u7ebf\u7a0b\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ebf\u7a0b\u662f\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u2f8f\u8fd0\u7b97\u8c03\u5ea6\u7684\u6700\u2f29\u5355\u4f4d\uff0c\u7ebf\u7a0b\u662f\u8fdb\u7a0b\u7684\u2f26\u4efb\u52a1\uff0c\u662f\u8fdb\u7a0b\u5185\u7684\u6267\u2f8f\u5355\u5143\uff0c\u662f\u8fdb\u7a0b\u7684\u4e00\u4e2a\u5b9e\u4f53\u3002<\/li>\n\n\n\n<li>\u2f00\u4e2a\u8fdb\u7a0b\u81f3\u5c11\u6709\u2f00\u4e2a\u7ebf\u7a0b\uff0c\u2f00\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u8fd0\u2f8f\u591a\u4e2a\u7ebf\u7a0b\uff0c\u8fd9\u4e9b\u7ebf\u7a0b\u5171\u4eab\u540c\u2f00\u5757\u5185\u5b58\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u53ea\u62e5\u6709\u4e00\u70b9\u5728\u8fd0\u884c\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u8d44\u6e90(\u5982\uff1a\u7a0b\u5e8f\u8ba1\u6570\u5668\u3001\u4e00\u7ec4\u5bc4\u5b58\u5668\u548c\u6808)\uff0c\u4f46\u662f\u5b83\u53ef\u4ee5\u548c\u540c\u5c5e\u4e00\u4e2a\u8fdb\u7a0b\u7684\u5176\u4ed6\u7ebf\u7a0b\u5171\u4eab\u8be5\u8fdb\u7a0b\u6240\u83b7\u5f97\u7684\u5168\u90e8\u8d44\u6e90\uff0c\u521b\u5efa\u548c\u9500\u6bc1\u7ebf\u7a0b\u7684\u5f00\u9500\u8f83\u5c0f\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u95f4\u5207\u6362\u53ea\u9700\u8981\u4fdd\u5b58\u548c\u6062\u590d\u5c11\u91cf\u7684\u7ebf\u7a0b\u4e0a\u4e0b\u2f42\uff0c\u56e0\u6b64\u4e0a\u4e0b\u2f42\u5207\u6362\u7684\u5f00\u9500\u8f83\u5c0f\u3002<\/li>\n\n\n\n<li>\u7531\u4e8e\u7ebf\u7a0b\u5171\u4eab\u76f8\u540c\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5b83\u4eec\u4e4b\u95f4\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5171\u4eab\u6570\u636e\uff0c\u7ebf\u7a0b\u95f4\u901a\u4fe1\u66f4\u52a0\u2f45\u4fbf\u3002<\/li>\n\n\n\n<li>\u7531\u4e8e\u7ebf\u7a0b\u5171\u4eab\u76f8\u540c\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u2f00\u4e2a\u7ebf\u7a0b\u7684\u9519\u8bef\u53ef\u80fd\u4f1a\u5f71\u54cd\u6574\u4e2a\u8fdb\u7a0b\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p><br><br><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u534f\u7a0b<\/h4>\n\n\n\n<p><br>\u534f\u7a0b\u662f\u4e00\u79cd<strong>\u7528\u6237\u6001<\/strong>\u7684<strong>\u8f7b\u91cf\u7ea7\u7ebf\u7a0b<\/strong>\uff0c\u534f\u7a0b\u7684\u8c03\u5ea6\u7531<strong>\u5e94\u7528\u7a0b\u5e8f\u63a7\u5236<\/strong>(\u4e5f\u5c31\u662f\u5728\u7528\u6237\u6001\u6267\u884c)\u3002<\/p>\n\n\n\n<p>\u534f\u7a0b\u62e5\u6709\u81ea\u5df1\u7684\u5bc4\u5b58\u5668\u3001\u4e0a\u4e0b\u6587\u548c\u6808\u3002\u534f\u7a0b\u8c03\u5ea6\u5207\u6362\u65f6\uff0c\u5982\u679c\u662f\u65e0\u6808\u7684\u60c5\u51b5\u4e0b\u5c06\u5bc4\u5b58\u5668\u4e0a\u4e0b\u6587\u548c\u6808\u4fdd\u5b58\u5230\u7ebf\u7a0b\u7684\u5806\u533a\uff0c\u5728\u5207\u56de\u6765\u7684\u65f6\u5019\uff0c\u6062\u590d\u5148\u524d\u4fdd\u5b58\u7684\u5bc4\u5b58\u5668\u7684\u4e0a\u4e0b\u6587\u548c\u6808\u3002\u7531\u4e8e\u76f4\u63a5\u64cd\u4f5c\u6808\uff0c\u57fa\u672c\u6ca1\u6709\u5185\u6838\u5207\u6362\u7684\u5f00\u9500\uff0c\u53ef\u4ee5\u4e0d\u52a0\u9501\u5730\u8bbf\u95ee\u5168\u5c40\u53d8\u91cf\uff0c\u56e0\u6b64\u4e0a\u4e0b\u6587\u7684\u5207\u6362\u975e\u5e38\u5feb\u3002<\/p>\n\n\n\n<p><br>\u534f\u7a0b\u867d\u7136\u88ab\u79f0\u4e3a\u7528\u6237\u6001\u7ebf\u7a0b\uff0c\u4f46<strong>\u5355\u7ebf\u7a0b<\/strong>\u4e0b\u7684\u591a\u534f\u7a0b\u672c\u8d28\u4e0a\u8fd8\u662f<strong>\u4e32\u884c<\/strong>\u6267\u884c\u7684\uff0c\u53ea\u80fd\u662f\u4e00\u4e2a\u534f\u7a0b\u7ed3\u675f\u6216yield\u540e\uff0c\u518d\u6267\u884c\u53e6\u4e00\u4e2a\u534f\u7a0b\u3002\u53ea\u80fd\u7528\u5230\u5355\u6838\u8ba1\u7b97\u8d44\u6e90\uff0c\u800c\u7ebf\u7a0b\u662f\u53ef\u4ee5\u771f\u6b63\u5e76\u53d1\u6267\u884c\u7684\uff0c\u6240\u4ee5\u7ebf\u7a0b\u624d\u662f\u7cfb\u7edf\u8c03\u5ea6\u7684\u57fa\u672c\u5355\u4f4d\uff0c\u56e0\u6b64\u534f\u7a0b\u5f80\u5f80\u8981\u4e0e\u591a\u7ebf\u7a0b\u3001\u591a\u8fdb\u7a0b\u4e00\u8d77\u4f7f\u7528\u3002<br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u4e3a\u4ec0\u4e48\u865a\u62df\u5730\u5740\u7a7a\u95f4\u5207\u6362\u4f1a\u6bd4\u8f83\u8017\u65f6\">\u4e3a\u4ec0\u4e48\u865a\u62df\u5730\u5740\u7a7a\u95f4\u5207\u6362\u4f1a\u6bd4\u8f83\u8017\u65f6\uff1f<\/h2>\n\n\n\n<p>\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\uff0c\u628a\u865a\u62df\u5730\u5740\u8f6c\u6362\u4e3a\u7269\u7406\u5730\u5740\u9700\u8981\u67e5\u627e\u9875\u8868\uff0c\u9875\u8868\u67e5\u627e\u662f\u4e00\u4e2a\u5f88\u6162\u7684\u8fc7\u7a0b\uff0c\u56e0\u6b64\u901a\u5e38\u4f7f\u7528 Cache \u6765\u7f13\u5b58\u5e38\u7528\u7684\u5730\u5740\u6620\u5c04\uff0c\u8fd9\u6837\u53ef\u4ee5\u52a0\u901f\u9875\u8868\u67e5\u627e\uff0c\u8fd9\u4e2a Cache \u5c31\u662f TLB\uff08translation Lookaside Buffer\uff0c TLB\u672c\u8d28\u4e0a\u5c31\u662f\u4e00\u4e2a Cache\uff0c\u662f\u7528\u6765\u52a0\u901f\u9875\u8868\u67e5\u627e\u7684\uff09\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\uff0c\u90a3\u4e48\u663e\u7136\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u9875\u8868\uff0c\u90a3\u4e48\u5f53\u8fdb\u7a0b\u5207\u6362\u540e\u9875\u8868\u4e5f\u8981\u8fdb\u884c\u5207\u6362\uff0c\u9875\u8868\u5207\u6362\u540e TLB\u5c31\u5931\u6548\u4e86\uff0cCache \u5931\u6548\u5bfc\u81f4\u547d\u4e2d\u7387\u964d\u4f4e\uff0c\u90a3\u4e48\u865a\u62df\u5730\u5740\u8f6c\u6362\u4e3a\u7269\u7406\u5730\u5740\u5c31\u4f1a\u53d8\u6162\uff0c\u8868\u73b0\u51fa\u6765\u7684\u5c31\u662f\u7a0b\u5e8f\u8fd0\u884c\u4f1a\u53d8\u6162\uff0c\u800c\u7ebf\u7a0b\u5207\u6362\u5219\u4e0d\u4f1a\u5bfc\u81f4 TLB\u5931\u6548\uff0c\u56e0\u4e3a\u7ebf\u7a0b\u65e0\u9700\u5207\u6362\u5730\u5740\u7a7a\u95f4\uff0c\u8fd9\u4e5f\u5c31\u662f\u4e3a\u4ec0\u4e48\u7ebf\u7a0b\u5207\u6362\u8981\u6bd4\u8f83\u8fdb\u7a0b\u5207\u6362\u5757\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u4f55\u8bbe\u8ba1\u2f00\u4e2a\u652f\u6301\u6700\u5927\u5e76\u53d1\u6570\u7684\u7ebf\u7a0b\u6c60\uff1f\u6bd4\u5982\u6700\u5927\u5e76\u53d1\u6570\u4e3a3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1.\u4efb\u52a1\u7ba1\u7406<\/h3>\n\n\n\n<p>\u9700\u8981\u4e00\u4e2a<strong>\u4efb\u52a1\u961f\u5217<\/strong>\u6765\u5b58\u50a8\u5f85\u6267\u884c\u7684\u4efb\u52a1\uff0c\u5e76\u5728\u6709\u7a7a\u95f2\u7ebf\u7a0b\u65f6\u53d6\u51fa\u4efb\u52a1\u6267\u884c<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u4efb\u52a1\u961f\u5217<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u91c7\u7528<strong>\u7ebf\u7a0b\u5b89\u5168\u7684\u961f\u5217<\/strong>\uff08\u5982 <code>std::queue&lt;std::function&lt;void()&gt;&gt;<\/code> + <code>std::mutex<\/code>\uff09<\/li>\n\n\n\n<li>\u4efb\u52a1\u63d0\u4ea4\u65f6\u5148\u8fdb\u5165\u961f\u5217\uff0c<strong>\u53ea\u6709\u5f53\u7ebf\u7a0b\u53ef\u7528\u65f6<\/strong>\u624d\u4f1a\u53d6\u51fa\u4efb\u52a1\u6267\u884c<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4efb\u52a1\u8c03\u5ea6\u7b56\u7565<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>FIFO\uff08\u5148\u8fdb\u5148\u51fa\uff09<\/strong>\uff1a\u5148\u63d0\u4ea4\u7684\u4efb\u52a1\u5148\u6267\u884c<\/li>\n\n\n\n<li><strong>\u4f18\u5148\u7ea7\u8c03\u5ea6<\/strong>\uff08\u53ef\u9009\uff09\uff1a\u4f7f\u7528 <code>std::<strong>priority_queue<\/strong><\/code> \u8ba9\u91cd\u8981\u4efb\u52a1\u4f18\u5148\u6267\u884c<\/li>\n\n\n\n<li><strong>\u62d2\u7edd\u7b56\u7565<\/strong>\uff08\u5f53\u4efb\u52a1\u961f\u5217\u6ee1\u65f6\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u963b\u585e\u7b49\u5f85<\/strong>\uff08\u9ed8\u8ba4\u7b56\u7565\uff09<\/li>\n\n\n\n<li><strong>\u4e22\u5f03\u6700\u8001\u4efb\u52a1<\/strong>\uff08\u5982 <code>std::<strong>deque<\/strong><\/code> \u7ef4\u62a4\uff0cpop_front \u4e22\u5f03\u65e7\u4efb\u52a1\uff09<\/li>\n\n\n\n<li><strong>\u629b\u51fa\u5f02\u5e38<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2.\u7ebf\u7a0b\u7ba1\u7406<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u56fa\u5b9a\u7ebf\u7a0b\u6570<\/strong>\uff1a<strong>\u521d\u59cb\u5316 3 \u4e2a\u5de5\u4f5c\u7ebf\u7a0b<\/strong>\uff0c\u4fdd\u6301\u6700\u5927\u5e76\u53d1\u6570 <code>3<\/code> <\/li>\n\n\n\n<li>\u907f\u514d\u9891\u7e41\u521b\u5efa\/\u9500\u6bc1\u7ebf\u7a0b\uff0c\u63d0\u9ad8\u6027\u80fd <\/li>\n\n\n\n<li>\u6bcf\u4e2a\u7ebf\u7a0b<strong>\u5faa\u73af\u4ece\u4efb\u52a1\u961f\u5217\u53d6\u4efb\u52a1<\/strong>\uff0c\u6267\u884c\u540e\u7ee7\u7eed\u53d6\u4efb\u52a1 <\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3.\u540c\u6b65\u673a\u5236<\/h3>\n\n\n\n<p><code>std::mutex<\/code> + <code>std::condition_variable<\/code><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5982\u679c\u4efb\u52a1\u961f\u5217\u7684\u4efb\u52a1\u4e4b\u95f4\u6709\u4f9d\u8d56\u5173\u7cfb\u8981\u600e\u4e48\u5904\u7406\u5462\uff1f<\/h3>\n\n\n\n<p>\u91c7\u7528<strong>\u4efb\u52a1\u4f9d\u8d56\u56fe\uff08DAG\uff09+ \u6761\u4ef6\u53d8\u91cf + \u4efb\u52a1\u8c03\u5ea6\u673a\u5236<\/strong>\u6765\u7ba1\u7406\u4efb\u52a1<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bcf\u4e2a\u4efb\u52a1\u7ef4\u62a4\u4e00\u4e2a<strong>\u524d\u7f6e\u4efb\u52a1\u5217\u8868<\/strong><\/li>\n\n\n\n<li>\u53ea\u6709\u5f53\u6240\u6709\u524d\u7f6e\u4efb\u52a1\u5b8c\u6210\u540e\uff0c\u4efb\u52a1\u624d\u80fd\u6267\u884c<\/li>\n\n\n\n<li>\u4f7f\u7528 <code>std::<strong>unordered_map<\/strong>&lt;int, std::vector&lt;int&gt;&gt;<\/code> \u8bb0\u5f55\u4f9d\u8d56\u5173\u7cfb<\/li>\n\n\n\n<li>\u4f7f\u7528 <code>std::atomic&lt;int&gt;<\/code> \u8ba1\u6570\u5668\u8ddf\u8e2a\u4efb\u52a1\u5b8c\u6210\u72b6\u6001<\/li>\n\n\n\n<li>\u4efb\u52a1\u5b8c\u6210\u540e\uff0c\u901a\u77e5\u6240\u6709\u7b49\u5f85\u7684\u4efb\u52a1 <\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8fdb\u7a0b\/\u7ebf\u7a0b\/\u534f\u7a0b \u8fdb\u7a0b\uff1a \u7ebf\u7a0b\uff1a \u534f\u7a0b \u534f\u7a0b\u662f\u4e00\u79cd\u7528\u6237\u6001\u7684\u8f7b\u91cf\u7ea7\u7ebf\u7a0b\uff0c\u534f\u7a0b\u7684\u8c03\u5ea6\u7531\u5e94\u7528\u7a0b\u5e8f\u63a7\u5236(\u4e5f\u5c31\u662f\u5728\u7528\u6237\u6001 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"class_list":["post-2529","post","type-post","status-publish","format-standard","hentry","category-87"],"_links":{"self":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/2529","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2529"}],"version-history":[{"count":4,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/2529\/revisions"}],"predecessor-version":[{"id":2772,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/2529\/revisions\/2772"}],"wp:attachment":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}