{"id":165403,"date":"2020-10-07T06:15:18","date_gmt":"2020-10-06T22:15:18","guid":{"rendered":"http:\/\/4563.org\/?p=165403"},"modified":"2020-10-07T06:15:18","modified_gmt":"2020-10-06T22:15:18","slug":"python-%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e7%ba%bf%e7%a8%8b%e9%97%b4%e7%9a%84%e5%85%a8%e5%b1%80%e9%94%81-gil-%e8%bf%9b%e8%a1%8c%e5%b9%b6%e8%a1%8c%e8%ae%a1%e7%ae%97%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=165403","title":{"rendered":"Python \u5982\u4f55\u907f\u514d\u7ebf\u7a0b\u95f4\u7684\u5168\u5c40\u9501 GIL \u8fdb\u884c\u5e76\u884c\u8ba1\u7b97\uff1f"},"content":{"rendered":"
\n
\n
\n

Python \u5982\u4f55\u907f\u514d\u7ebf\u7a0b\u95f4\u7684\u5168\u5c40\u9501 GIL \u8fdb\u884c\u5e76\u884c\u8ba1\u7b97\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : threebr <\/span> <\/i> 1<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6211\u73b0\u5728\u6709\u4e00\u4e2a\u4e32\u884c\u7684\u4ee3\u7801\uff0c\u957f\u8fd9\u6837\uff1a<\/p>\n

for t in range(100000):     A(t+1) = fun_A(B(t))     B(t+1) = fun_B(A(t)) <\/code><\/pre>\n
fun_A(), fun_B() \u662f\u6211\u81ea\u5df1\u5199\u7684\u4e24\u4e2a\u51fd\u6570\uff0c\u5206\u522b\u9700\u8981\u4e0a\u4e00\u4e2a\u5faa\u73af\u4e2d\u5bf9\u65b9\u7684\u8f93\u51fa\u4f5c\u4e3a\u8f93\u5165\u3002<\/p>\n
\u73b0\u5728\u6709\u6ca1\u6709\u529e\u6cd5\u5c06 fun_A(), fun_B() \u5728\u4e00\u4e2a\u5faa\u73af\u5185\u5e76\u884c\u6267\u884c\uff1f\u7528\u591a\u7ebf\u7a0b\u7684\u8bdd\u56e0\u4e3a CPython \u5b58\u5728\u5168\u5c40\u9501\u53ef\u80fd\u5b9e\u9645\u4e0a\u662f\u4e32\u884c\u6267\u884c\uff0c\u591a\u8fdb\u7a0b\u7684\u8bdd\u4e0d\u77e5\u9053\u4f1a\u4e0d\u4f1a\u989d\u5916\u589e\u52a0\u4e24\u4e2a\u51fd\u6570\u95f4\u7684\u6570\u636e\u4f20\u9012\u7684 I\/O \u5f00\u9500\u3002<\/p>\n
\u5404\u4f4d\u6709\u6ca1\u6709\u4ec0\u4e48\u5176\u4ed6\u5b9e\u73b0\u7684\u601d\u8def\uff1f<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (23<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : SingeeKing <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u662f\u5178\u578b\u7684\u7528 Python \u5fc5\u6709\u989d\u5916\u5f00\u9500\u7684\u95ee\u9898\u3002\u6362\u8bed\u8a00\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : wander639 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u7528 go \u5b9e\u73b0\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : threebr <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @SingeeKing 
    @wander639 <\/p>\n
    \u6362\u8bed\u8a00\u6211\u4e2a\u4eba\u7684\u65f6\u95f4\u6210\u672c\u592a\u9ad8\u4e86\uff0c\u6548\u679c\u4e5f\u96be\u4ee5\u4f30\u8ba1\uff0c\u53ea\u80fd\u662f\u6700\u540e\u7684\u529e\u6cd5                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : laike9m <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 A(t+1) \u8fd9\u4e2a\u8bed\u6cd5\u6ca1\u770b\u61c2\uff0c\u4f60\u662f\u60f3\u5199\u4e2d\u62ec\u53f7\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : BiteTheDust <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 A(t)->B(t+1)->A(t+2)->B(t+3)….
    B(t)->A(t+1)…..
    \u8fd9\u4e24\u4e2a\u76f4\u63a5\u5206\u5f00\u591a\u8fdb\u7a0b\u6267\u884c\u5982\u4f55\u5462                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : laike9m <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c\u662f\u4e2d\u62ec\u53f7\u7684\u8bdd\uff0c\u4f60\u8fd9\u4e2a\u5c31\u662f\u6ca1\u6cd5\u5e76\u884c\uff0c\u6362\u4ec0\u4e48\u8bed\u8a00\u90fd\u6ca1\u7528\u3002\u6211\u80fd\u60f3\u5230\u7684\u4f18\u5316\u5c31\u662f lru \u4e00\u4e0b A \u548c B\uff0c\u907f\u514d\u5bf9\u76f8\u540c\u53c2\u6570\u91cd\u590d\u8ba1\u7b97                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : threebr <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @laike9m \u662f\u4e2d\u62ec\u53f7\uff0c\u53ea\u5728\u5355\u4e2a\u5faa\u73af\u5185\u90e8\u8fd8\u662f\u53ef\u4ee5\u628a\u4e24\u4e2a\u51fd\u6570\u6539\u6210\u5e76\u884c\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : whenov <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f60\u753b\u51fa\u6765\u6d41\u7a0b\u5c31\u4f1a\u53d1\u73b0\u662f\u4e24\u6761\u4e0d\u91cd\u5408\u7684\u8ba1\u7b97\u94fe\uff0c\u7528\u4e24\u4e2a\u8fdb\u7a0b\u5206\u522b\u8ba1\u7b97\u5373\u53ef\u3002\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\u65e0\u9700\u5171\u4eab\u6570\u636e\uff0c\u7ed3\u675f\u540e\u4ea4\u6362\u4e24\u4e2a\u6570\u7ec4\u7684\u5076\u6570\u4f4d\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : makdon <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c func_A \u6216 B \u5185\u6d89\u53ca\u5916\u90e8 IO \u4f8b\u5982\u7f51\u7edc\u7b49\uff0c\u8fd9\u4fe9\u5e76\u884c\u7684\u8bdd\u8fd8\u662f\u53ef\u4ee5\u63d0\u9ad8\u90a3\u4e48\u4e00\u4e22\u4e22\u6027\u80fd\u7684\uff0c\u4e0d\u8fc7\u5728\u8fd9\u4e2a case \u91cc\u9762\u4e2a\u4eba\u66f4\u503e\u5411\u4e8e\u4f18\u5316 func_A \u548c func_B \u7684\u6027\u80fd\u4e3a\u4e3b\uff0c\u53ef\u4ee5\u5148\u505a\u4e0b benchmark \u770b\u770b\u74f6\u9888\u5728\u54ea                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : youngce <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5b9e\u9645\u4e0a\u5bf9\u6574\u4f53\u6027\u80fd\u7684\u63d0\u5347\u4e0d\u4f1a\u592a\u5927\u7684\u3002\u5199 python \u592a\u591a\u65b0\u624b\uff0c\u4e00\u4e0d\u505a\u6027\u80fd\u5206\u6790\uff0c\u4e8c\u4e0d\u505a\u6d4b\u8bd5\uff0c\u81ea\u5df1\u4e0d\u5c0f\u5fc3\u5199\u51fa\u4e00\u5806\u963b\u585e\u903b\u8f91\uff0c\u6700\u540e\u602a python \u6162\u3002\u5b9e\u9645\u4e0a\u4e3a\u4ec0\u4e48 go \u8fd9\u4e48\u706b\uff0c\u4e00\u5b9a\u7a0b\u5ea6\u4e5f\u662f\u56e0\u4e3a\u53ef\u4ee5\u8ba9\u83dc\u9e1f\u8f7b\u677e\u5199\u51fa\u6027\u80fd\u4e0d\u9519\u7684\u4ee3\u7801                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Wicked <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4ece\u9876\u7684\u4ee3\u7801\u770b\u4e0d\u9002\u5408\u5e76\u884c\uff0c\u6bcf\u4e00\u6b21\u5faa\u73af\u90fd\u4f9d\u8d56\u6765\u81ea\u53e6\u5916\u4e00\u6761\u7ebf\u7684\u8f93\u51fa\u3002\u53e6\u5916\uff0cPython \u4f18\u5148\u8003\u8651\u591a\u8fdb\u7a0b\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : lpts007 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c\u60f3\u6539\u5e76\u884c\uff0c\u8bf4\u660e\u6162\uff0c\u6162\u8bf4\u660e\u662f python \u95ee\u9898\uff0c\u90a3\u4e48\u6539\u6210 go \u95ee\u9898\u5c31\u6d88\u5931\u4e86\u3002<\/p>\n
    \u8bf7 python \u65b0\u624b\u8c28\u9075\u4ee5\u4e0a\u539f\u5219                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : imn1 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u770b\u6837\u5b50\u5f88\u9002\u5408 pandas \u7684 rolling \u51fd\u6570\uff08\u79fb\u52a8\u8ba1\u7b97\uff09                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : lxy42 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u628a\u8ba1\u7b97\u6d41\u7a0b\u5c55\u5f00\u4f60\u5c31\u4f1a\u53d1\u73b0\uff1aA[n] = fun_A(B[n – 1]) = fun_A(fun_B(A[n – 2]))\uff0cA \u7684\u8ba1\u7b97\u5176\u5b9e\u548c B \u6ca1\u6709\u592a\u5927\u5173\u7cfb\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : yangxin0 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5199 python \u6269\u5c55\uff0c\u5728 c\/c++\u91cc\u9762\u5c31\u6ca1\u6709 GIL \u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : huskar <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u548c GIL \u6709\u5565\u5173\u7cfb\u554a\u2026\u2026\u7eaf\u7cb9\u662f\u4e3b\u81ea\u5df1\u6ca1\u60f3\u660e\u767d\uff0c\u50cf\u4e0a\u8bf4\u7684\u62c6\u6210\u4e24\u4e2a\u5e8f\u5217\u5206\u522b\u7b97\u5c31\u597d\u3002
    \u5404\u4f4d\u8bf4\u6362\u8bed\u8a00\u3001\u6362 go \u3001\u5199 c \u7684\u4eae\u4e0b\u4ee3\u7801\uff1f\u60f3\u77e5\u9053\u600e\u4e48\u5199\u80fd\u6ee1\u8db3\u4e3b\u9700\u6c42\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : black11black <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @huskar \u4ed6\u7684\u610f\u601d\u662f\u6211\u7528\u591a\u7ebf\u7a0b\uff0c\u5c31\u9047\u5230 GIL \u7684\u95ee\u9898\uff0c\u6240\u4ee5\u5982\u679c\u4e0d\u613f\u610f\u6362\u8bed\u8a00\uff0c\u4e00\u822c\u6765\u8bf4\u89e3\u51b3\u65b9\u6cd5\u5f00\u9500\u4ece\u4f4e\u5230\u9ad8\u6709\uff1a1 \u3001\u6362 JIT \u89e3\u91ca\u5668 2 \u3001\u591a\u8fdb\u7a0b 3 \u3001\u7528\u9b54\u6cd5 JIT \u641e\u5b9a\u4e00\u4e9b\u8ba1\u7b97\u5bc6\u96c6\u90e8\u5206 4 \u3001\u8ba1\u7b97\u5bc6\u96c6\u90e8\u5206\u7528 cython \u66ff\u4ee3                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : sunhk25 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @threebr                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : sunhk25 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u7ebf\u7a0b\u7684\u8bdd\u5f00\u9500\u6bd4\u4f1a\u5f88\u5927\u5417                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : sunhk25 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @sunhk25 \u8fdb\u7a0b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : threebr <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @sunhk25 \u6211\u8fd8\u6ca1\u6709\u5f00\u59cb\u5b9e\u8df5\uff0c\u53ea\u662f\u7f51\u4e0a\u7684\u8bf4\u6cd5\u5982\u6b64\uff0c\u7ebf\u7a0b\u6bd4\u8fdb\u7a0b\u66f4\u8f7b\u91cf\uff0c\u5207\u6362\u7ebf\u7a0b\u7684\u4e0a\u4e0b\u6587\u5f00\u9500\u548c\u7ebf\u7a0b\u95f4\u6570\u636e\u540c\u6b65\u7684\u5f00\u9500\u90fd\u6bd4\u8fdb\u7a0b\u5c0f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : huskar <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @black11black \u6211\u662f\u8bf4\u4e3b\u8fd9\u9700\u6c42\u8ddf gil \u6ca1\u5173\u7cfb\u3002\u6bd4\u5982\u7528 c\uff0c\u6ca1\u6709 gil\uff0c\u8be5\u600e\u4e48\u5199\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : black11black <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @threebr \u7406\u8bba\u4e0a\u7ebf\u7a0b\u4e5f\u9700\u8981\u8fdb\u884c\u5185\u6838\u6001\u5207\u6362\uff0c\u4e0d\u50cf\u534f\u7a0b\u5c40\u9650\u5728\u7528\u6237\u6001\u5185\uff0c\u6240\u4ee5 asyncio \u7684\u51fa\u73b0\u6781\u5927\u5730\u62d3\u5c55\u4e86 py \u7684 IO \u76f8\u5173\u5904\u7406\u80fd\u529b\uff0c\u548c\u8fdb\u7a0b\u6709\u591a\u5927\u5dee\u8ddd\u5e94\u8be5\u662f\u5728\u5185\u5b58\u90e8\u5206\uff0c\u5177\u4f53\u7684\u6ca1\u4e86\u89e3\u5230\u975e\u5e38\u8be6\u7ec6\u7684\u90e8\u5206\u3002\u4f46\u662f\u7ebf\u7a0b\u5207\u6362\u662f\u6709\u5207\u7247\u65f6\u95f4\u7684\uff0c\u6bd4\u5982\u4e00\u79cd\u60c5\u51b5\u662f\u6bd4\u5982\u4f60\u8ba1\u5212\u5728\u4e00\u79d2\u5185\u8f6c\u6362\u4e00\u4e07\u6b21\u7ebf\u7a0b\uff0c\u8fd9\u79cd\u5bc6\u5ea6\u4e0a\u4f7f\u7528\u591a\u7ebf\u7a0b\u4f1a\u5bfc\u81f4\u6548\u7387\u964d\u4f4e\u5f88\u591a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    Python \u5982\u4f55\u907f\u514d\u7ebf\u7a0b\u95f4\u7684\u5168\u5c40…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/165403"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=165403"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/165403\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=165403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=165403"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=165403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}