{"id":505,"title":"golang\u8bed\u8a00\u7684\u7279\u6027","good":0,"bad":0,"hit":1935,"created_at":"2020-08-05 20:31:56","content":"

Golong\u8bed\u8a00\u7684\u7279\u6027\u3002<\/span><\/p>

\u8bed\u6cd5\u7b80\u5355<\/h2>

\u629b\u5f00\u8bed\u6cd5\u6837\u5f0f\u4e0d\u8c08\uff0c\u5355\u5c31\u7c7b\u578b\u548c\u89c4\u5219\u800c\u8a00\uff0cGo \u4e0e C99\u3001C11 \u76f8\u4f3c\u4e4b\u5904\u9887\u591a\uff0c\u8fd9\u4e5f\u662fGo\u8bed\u8a00\u88ab\u51a0\u4ee5\u201cNextC\u201d\u540d\u53f7\u7684\u91cd\u8981\u539f\u56e0\u3002<\/span>Go\u8bed\u8a00\u7684\u8bed\u6cd5\u5904\u4e8e\u7b80\u5355\u548c\u590d\u6742\u7684\u4e24\u6781\u3002C\u8bed\u8a00\u7b80\u5355\u5230\u4f60\u6bcf\u5199\u4e0b\u4e00\u884c\u4ee3\u7801\uff0c\u90fd\u80fd\u5728\u8111\u4e2d\u60f3\u8c61\u51fa\u7f16\u8bd1\u540e\u7684\u6a21\u6837\uff0c\u6307\u4ee4\u5982\u4f55\u6267\u884c\uff0c\u5185\u5b58\u5982\u4f55\u5206\u914d\uff0c\u7b49\u7b49\u3002\u800c C \u7684\u590d\u6742\u5728\u4e8e\uff0c\u5b83\u6709\u592a\u591a\u9690\u6666\u800c\u4e0d\u7740\u8fb9\u9645\u7684\u89c4\u5219\uff0c\u7740\u5b9e\u8ba9\u4eba\u5934\u75bc\u3002\u76f8\u6bd4\u8f83\u800c\u8a00\uff0cGo \u4ece\u96f6\u5f00\u59cb\uff0c\u6ca1\u6709\u5386\u53f2\u5305\u88b1\uff0c\u5728\u6c72\u53d6\u4f17\u591a\u7ecf\u9a8c\u6559\u8bad\u540e\uff0c\u53ef\u4ece\u5934\u89c4\u5212\u4e00\u4e2a\u89c4\u5219\u4e25\u8c28\u3001\u6761\u7406\u7b80\u5355\u7684\u4e16\u754c\u3002<\/span>Go\u8bed\u8a00\u7684\u8bed\u6cd5\u89c4\u5219\u4e25\u8c28\uff0c\u6ca1\u6709\u6b67\u4e49\uff0c\u66f4\u6ca1\u4ec0\u4e48\u9ed1\u9b54\u6cd5\u53d8\u5f02\u7528\u6cd5\u3002\u4efb\u4f55\u4eba\u5199\u51fa\u7684\u4ee3\u7801\u90fd\u57fa\u672c\u4e00\u81f4\uff0c\u8fd9\u4f7f\u5f97Go\u8bed\u8a00\u7b80\u5355\u6613\u5b66\u3002\u653e\u5f03\u90e8\u5206\u201c\u7075\u6d3b\u201d\u548c\u201c\u81ea\u7531\u201d\uff0c\u6362\u6765\u66f4\u597d\u7684\u7ef4\u62a4\u6027\uff0c\u6211\u89c9\u5f97\u662f\u503c\u5f97\u7684\u3002<\/span>\u5c06\u201c++\u201d\u3001\u201c--\u201d\u4ece\u8fd0\u7b97\u7b26\u964d\u7ea7\u4e3a\u8bed\u53e5\uff0c\u4fdd\u7559\u6307\u9488\uff0c\u4f46\u9ed8\u8ba4\u963b\u6b62\u6307\u9488\u8fd0\u7b97\uff0c\u5e26\u6765\u7684\u597d\u5904\u662f\u663e\u800c\u6613\u89c1\u7684\u3002\u8fd8\u6709\uff0c\u5c06\u5207\u7247\u548c\u5b57\u5178\u4f5c\u4e3a\u5185\u7f6e\u7c7b\u578b\uff0c\u4ece\u8fd0\u884c\u65f6\u7684\u5c42\u9762\u8fdb\u884c\u4f18\u5316\uff0c\u8fd9\u4e5f\u7b97\u662f\u4e00\u79cd\u201c\u7b80\u5355\u201d\u3002<\/span><\/p>

\u5e76\u53d1\u6a21\u578b<\/h2>

\u65f6\u81f3\u4eca\u65e5\uff0c\u5e76\u53d1\u7f16\u7a0b\u5df2\u6210\u4e3a\u7a0b\u5e8f\u5458\u7684\u57fa\u672c\u6280\u80fd\uff0c\u5728\u5404\u4e2a\u6280\u672f\u793e\u533a\u90fd\u80fd\u770b\u5230\u8bf8\u591a\u4e0e\u4e4b\u76f8\u5173\u7684\u8ba8\u8bba\u4e3b\u9898\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0bGo\u8bed\u8a00\u5374\u4e00\u53cd\u5e38\u6001\u505a\u4e86\u4ef6\u6781\u5927\u80c6\u7684\u4e8b\uff0c\u4ece\u6839\u672c\u4e0a\u5c06\u4e00\u5207\u90fd\u5e76\u53d1\u5316\uff0c\u8fd0\u884c\u65f6\u7528 Goroutine \u8fd0\u884c\u6240\u6709\u7684\u4e00\u5207\uff0c\u5305\u62ec main.main \u5165\u53e3\u51fd\u6570\u3002<\/span>\u53ef\u4ee5\u8bf4\uff0cGoroutine \u662f Go \u6700\u663e\u8457\u7684\u7279\u5f81\u3002\u5b83\u7528\u7c7b\u534f\u7a0b\u7684\u65b9\u5f0f\u6765\u5904\u7406\u5e76\u53d1\u5355\u5143\uff0c\u5374\u53c8\u5728\u8fd0\u884c\u65f6\u5c42\u9762\u505a\u4e86\u66f4\u6df1\u5ea6\u7684\u4f18\u5316\u5904\u7406\u3002\u8fd9\u4f7f\u5f97\u8bed\u6cd5\u4e0a\u7684\u5e76\u53d1\u7f16\u7a0b\u53d8\u5f97\u6781\u4e3a\u5bb9\u6613\uff0c\u65e0\u987b\u5904\u7406\u56de\u8c03\uff0c\u65e0\u987b\u5173\u6ce8\u7ebf\u7a0b\u5207\u6362\uff0c\u4ec5\u4e00\u4e2a\u5173\u952e\u5b57\uff0c\u7b80\u5355\u800c\u81ea\u7136\u3002<\/span>\u642d\u914d channel\uff0c\u5b9e\u73b0 CSP \u6a21\u578b\u3002\u5c06\u5e76\u53d1\u5355\u5143\u95f4\u7684\u6570\u636e\u8026\u5408\u62c6\u89e3\u5f00\u6765\uff0c\u5404\u53f8\u5176\u804c\uff0c\u8fd9\u5bf9\u6240\u6709\u7ea0\u7ed3\u4e8e\u5185\u5b58\u5171\u4eab\u3001\u9501\u7c92\u5ea6\u7684\u5f00\u53d1\u4eba\u5458\u90fd\u662f\u4e00\u4e2a\u53ef\u671f\u76fc\u7684\u89e3\u8131\u3002\u82e5\u8bf4\u6709\u6240\u4e0d\u8db3\uff0c\u90a3\u5c31\u662f\u5e94\u8be5\u6709\u4e2a\u66f4\u5927\u7684\u8ba1\u5212\uff0c\u5c06\u901a\u4fe1\u4ece\u8fdb\u7a0b\u5185\u62d3\u5c55\u5230\u8fdb\u7a0b\u5916\uff0c\u5b9e\u73b0\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u5206\u5e03\u5f0f\u3002<\/span><\/p>

\u5185\u5b58\u5206\u914d<\/h2>

\u5c06\u4e00\u5207\u5e76\u53d1\u5316\u56fa\u7136\u662f\u597d\uff0c\u4f46\u5e26\u6765\u7684\u95ee\u9898\u540c\u6837\u5f88\u591a\u3002\u5982\u4f55\u5b9e\u73b0\u9ad8\u5e76\u53d1\u4e0b\u7684\u5185\u5b58\u5206\u914d\u548c\u7ba1\u7406\u5c31\u662f\u4e2a\u96be\u9898\u3002\u597d\u5728 Go \u9009\u62e9\u4e86 tcmalloc\uff0c\u5b83\u672c\u5c31\u662f\u4e3a\u5e76\u53d1\u800c\u8bbe\u8ba1\u7684\u9ad8\u6027\u80fd\u5185\u5b58\u5206\u914d\u7ec4\u4ef6\u3002<\/span>\u53ef\u4ee5\u8bf4\uff0c\u5185\u5b58\u5206\u914d\u5668\u662f\u8fd0\u884c\u65f6\u4e09\u5927\u7ec4\u4ef6\u91cc\u53d8\u5316\u6700\u5c11\u7684\u90e8\u5206\u3002\u5228\u53bb\u56e0\u914d\u5408\u5783\u573e\u56de\u6536\u5668\u800c\u4fee\u6539\u7684\u5185\u5bb9\uff0c\u5185\u5b58\u5206\u914d\u5668\u5b8c\u6574\u4fdd\u7559\u4e86 tcmalloc \u7684\u539f\u59cb\u67b6\u6784\u3002\u4f7f\u7528 cache \u4e3a\u5f53\u524d\u6267\u884c\u7ebf\u7a0b\u63d0\u4f9b\u65e0\u9501\u5206\u914d\uff0c\u591a\u4e2a central \u5728\u4e0d\u540c\u7ebf\u7a0b\u95f4\u5e73\u8861\u5185\u5b58\u5355\u5143\u590d\u7528\u3002\u5728\u66f4\u9ad8\u5c42\u6b21\u91cc\uff0cheap \u5219\u7ba1\u7406\u7740\u5927\u5757\u5185\u5b58\uff0c\u7528\u4ee5\u5207\u5206\u6210\u4e0d\u540c\u7b49\u7ea7\u7684\u590d\u7528\u5185\u5b58\u5757\u3002\u5feb\u901f\u5206\u914d\u548c\u4e8c\u7ea7\u5185\u5b58\u5e73\u8861\u673a\u5236\uff0c\u8ba9\u5185\u5b58\u5206\u914d\u5668\u80fd\u4f18\u79c0\u5730\u5b8c\u6210\u9ad8\u538b\u529b\u4e0b\u7684\u5185\u5b58\u7ba1\u7406\u4efb\u52a1\u3002<\/span>\u5728\u6700\u8fd1\u51e0\u4e2a\u7248\u672c\u4e2d\uff0c\u7f16\u8bd1\u5668\u4f18\u5316\u5353\u6709\u6210\u6548\u3002\u5b83\u4f1a\u7aed\u529b\u5c06\u5bf9\u8c61\u5206\u914d\u5728\u6808\u4e0a\uff0c\u4ee5\u964d\u4f4e\u5783\u573e\u56de\u6536\u538b\u529b\uff0c\u51cf\u5c11\u7ba1\u7406\u6d88\u8017\uff0c\u63d0\u5347\u6267\u884c\u6027\u80fd\u3002\u53ef\u4ee5\u8bf4\uff0c\u9664\u5076\u5c14\u56e0\u6027\u80fd\u95ee\u9898\u800c\u88ab\u8feb\u91c7\u7528\u5bf9\u8c61\u6c60\u548c\u81ea\u4e3b\u5185\u5b58\u7ba1\u7406\u5916\uff0c\u6211\u4eec\u57fa\u672c\u65e0\u987b\u53c2\u4e0e\u5185\u5b58\u7ba1\u7406\u64cd\u4f5c\u3002<\/span><\/p>

\u5783\u573e\u56de\u6536<\/h2>

\u5783\u573e\u56de\u6536\u4e00\u76f4\u662f\u4e2a\u96be\u9898\u3002\u65e9\u5e74\u95f4\uff0c<\/span>Java \u5c31\u56e0\u5783\u573e\u56de\u6536\u4f4e\u6548\u88ab\u5632\u7b11\u4e86\u8bb8\u4e45\uff0c\u540e\u6765 Sun \u8fde\u7eed\u6536\u7eb3\u4e86\u597d\u591a\u4eba\u548c\u6280\u672f\u624d\u53d1\u5c55\u5230\u4eca\u5929\u3002\u53ef\u5373\u4fbf\u5982\u6b64\uff0c\u5728 Hadoop \u7b49\u5927\u5185\u5b58\u5e94\u7528\u573a\u666f\u4e0b\uff0c\u5783\u573e\u56de\u6536\u4f9d\u65e7\u6349\u895f\u89c1\u8098\u3001\u6b65\u5c65\u7ef4\u8270\u3002<\/span>\u76f8\u6bd4 Java\uff0cGo \u9762\u4e34\u7684\u56f0\u96be\u8981\u66f4\u591a\u3002\u56e0\u6307\u9488\u7684\u5b58\u5728\uff0c\u6240\u4ee5\u56de\u6536\u5185\u5b58\u4e0d\u80fd\u505a\u6536\u7f29\u5904\u7406\u3002\u5e78\u597d\uff0c\u6307\u9488\u8fd0\u7b97\u88ab\u963b\u6b62\uff0c\u5426\u5219\u8981\u505a\u5230\u7cbe\u786e\u56de\u6536\u90fd\u96be\u3002<\/span>\u6bcf\u6b21\u5347\u7ea7\uff0c\u5783\u573e\u56de\u6536\u5668\u5fc5\u7136\u662f\u6838\u5fc3\u7ec4\u4ef6\u91cc\u4fee\u6539\u6700\u591a\u7684\u90e8\u5206\u3002\u4ece\u5e76\u53d1\u6e05\u7406\uff0c\u5230\u964d\u4f4e STW \u65f6\u95f4\uff0c\u76f4\u5230 Go \u7684 1.5 \u7248\u672c\u5b9e\u73b0\u5e76\u53d1\u6807\u8bb0\uff0c\u9010\u6b65\u5f15\u5165\u4e09\u8272\u6807\u8bb0\u548c\u5199\u5c4f\u969c\u7b49\u7b49\uff0c\u90fd\u662f\u4e3a\u4e86\u80fd\u8ba9\u5783\u573e\u56de\u6536\u5728\u4e0d\u5f71\u54cd\u7528\u6237\u903b\u8f91\u7684\u60c5\u51b5\u4e0b\u66f4\u597d\u5730\u5de5\u4f5c\u3002\u5c3d\u7ba1\u6709\u4e86\u52aa\u529b\uff0c\u5f53\u524d\u7248\u672c\u7684\u5783\u573e\u56de\u6536\u7b97\u6cd5\u4e5f\u53ea\u80fd\u8bf4\u582a\u7528\uff0c\u79bb\u597d\u7528\u5c1a\u6709\u4e0d\u5c11\u8ddd\u79bb\u3002<\/span><\/p>

\u9759\u6001\u94fe\u63a5<\/h2>

Go \u521a\u53d1\u5e03\u65f6\uff0c\u9759\u6001\u94fe\u63a5\u88ab\u5f53\u4f5c\u4f18\u70b9\u5ba3\u4f20\u3002\u53ea\u987b\u7f16\u8bd1\u540e\u7684\u4e00\u4e2a\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u65e0\u987b\u9644\u52a0\u4efb\u4f55\u4e1c\u897f\u5c31\u80fd\u90e8\u7f72\u3002\u8fd9\u4f3c\u4e4e\u5f88\u4e0d\u9519\uff0c\u53ea\u662f\u540e\u6765\u98ce\u6c14\u53d8\u4e86\u3002\u8fde\u7740\u51e0\u4e2a\u7248\u672c\uff0c\u7f16\u8bd1\u5668\u90fd\u5728\u5b8c\u5584\u52a8\u6001\u5e93 buildmode \u529f\u80fd\uff0c\u573a\u9762\u4e00\u65f6\u53d8\u5f97\u6709\u4e9b\u5c34\u5c2c\u3002<\/span>\u6682\u4e0d\u8bf4\u672a\u5b8c\u5de5\u7684 buildmode \u6a21\u5f0f\uff0c\u9759\u6001\u7f16\u8bd1\u7684\u597d\u5904\u663e\u800c\u6613\u89c1\u3002\u5c06\u8fd0\u884c\u65f6\u3001\u4f9d\u8d56\u5e93\u76f4\u63a5\u6253\u5305\u5230\u53ef\u6267\u884c\u6587\u4ef6\u5185\u90e8\uff0c\u7b80\u5316\u4e86\u90e8\u7f72\u548c\u53d1\u5e03\u64cd\u4f5c\uff0c\u65e0\u987b\u4e8b\u5148\u5b89\u88c5\u8fd0\u884c\u73af\u5883\u548c\u4e0b\u8f7d\u8bf8\u591a\u7b2c\u4e09\u65b9\u5e93\u3002\u8fd9\u79cd\u7b80\u5355\u65b9\u5f0f\u5bf9\u4e8e\u7f16\u5199\u7cfb\u7edf\u8f6f\u4ef6\u6709\u7740\u6781\u5927\u597d\u5904\uff0c\u56e0\u4e3a\u5e93\u4f9d\u8d56\u4e00\u76f4\u90fd\u662f\u4e2a\u9ebb\u70e6\u3002<\/span><\/p>

\u6807\u51c6\u5e93<\/h2>

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\u5de5\u5177\u94fe<\/h2>

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<\/span><\/p>

<\/span><\/p>

\u4e3a\u5e76\u53d1\u800c\u751f<\/h2>

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<\/p>"}