{"id":321292,"date":"2021-02-05T12:10:37","date_gmt":"2021-02-05T04:10:37","guid":{"rendered":"http:\/\/4563.org\/?p=321292"},"modified":"2021-02-06T07:30:34","modified_gmt":"2021-02-05T23:30:34","slug":"%e7%bf%bb%e8%af%91%e3%80%8aa-primer-on-memory-consistency-and-cache-coherence%e3%80%8b%e7%ac%ac%e4%ba%8c%e7%89%88-%e7%ac%ac%e4%ba%8c%e7%ab%a0","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=321292","title":{"rendered":"\u7ffb\u8bd1\u300aA Primer on Memory Consistency and Cache Coherence\u300b\u7b2c\u4e8c\u7248 \u7b2c\u4e8c\u7ae0"},"content":{"rendered":"
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\u7ffb\u8bd1\u300aA Primer on Memory Consistency and Cache Coherence\u300b\u7b2c\u4e8c\u7248 \u7b2c\u4e8c\u7ae0 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : hxndg <\/span> <\/i> 7<\/span> <\/div>\n
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\u6211\u8fd9\u6bb5\u65f6\u95f4\u5728\u627e\u5de5\u4f5c\uff0c\u5c1d\u8bd5\u4ece\u5916\u4f01\u8c03\u5230\u4e92\u8054\u7f51(\u867d\u7136\u5c61\u5c61\u88ab\u62d2\u7edd lol)\uff0c\u9762\u8bd5\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u5f88\u591a\u4eba\u5bf9\u4e8e\u6240\u8c13\u7684\u5185\u5b58\u5e8f\uff0c\u7f13\u5b58\u4e00\u81f4\u6027\uff0c\u987a\u5e8f\u4e00\u81f4\u6027\u5f88\u8ff7\u60d1\uff0c\u4ed6\u4eec\u5bf9\u4e8e\u591a\u7ebf\u7a0b\u7684\u7406\u89e3\u53ea\u9650\u4e8e\u9ad8\u5c42\u8bed\u8a00\uff0c\u4e0d\u7406\u89e3\u4e3a\u4ec0\u4e48\u4f1a\u6709\u8fd9\u79cd\u5185\u5b58\u5e8f\uff0c\u62bd\u8c61\u662f\u600e\u4e48\u56de\u4e8b\uff0c\u5e95\u4e0b\u600e\u4e48\u505a\u7684\u3002\u6b64\u5916\u770b\u4e86\u300a C++\u5e76\u53d1\u5b9e\u6218\u300b\u7684\u4e0d\u540c\u7248\u672c\u7684\u7ffb\u8bd1\uff0c\u53d1\u73b0\u91cc\u9762\u6709\u5f88\u591a\u7684\u9519\u8bef\uff0c\u8fd9\u4f1a\u7834\u574f\u521d\u5b66\u8005\u5bf9\u5185\u5b58\u5e8f\u7684\u8ba4\u8bc6\uff0c\u56e0\u6b64\u6253\u7b97\u7ffb\u8bd1\u8fd9\u672c\u5165\u95e8\u4e66\u3002<\/p>\n

\u5728\u7ffb\u8bd1\u7684\u8fc7\u7a0b\u5f53\u4e2d\uff0c\u6211\u4e5f\u9047\u5230\u4e86\u4e00\u4e9b\u95ee\u9898\uff0c\u5e0c\u671b\u8bf8\u4f4d\u80fd\u7ed9\u6211\u89e3\u7b54\uff1a<\/p>\n

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  • \u6211\u5e0c\u671b\u80fd\u591a\u627e\u51e0\u4e2a\u540c\u884c\u505a\u68c0\u67e5\u548c\u6821\u9a8c\uff0c\u90a3\u4e48\u5e94\u5f53\u5982\u4f55\u8fdb\u884c\u8fd9\u9879\u5de5\u4f5c\u5462\uff1f\u6211\u76ee\u524d\u628a\u5df2\u7ecf\u7ffb\u8bd1\u597d\u7684\uff0c\u548c\u90e8\u5206\u7ffb\u8bd1\u7684\u90fd\u653e\u5728\u4e86\u81ea\u5df1\u7684\u535a\u5ba2\u91cc\u3002\u8fd9\u6837\u4e0d\u65b9\u4fbf\u522b\u4eba\u6821\u9a8c\u548c\u53c2\u4e0e\u3002\u5982\u679c\u653e\u5230 github \u4e0a\uff0c\u53c8\u600e\u6837\u591a\u9009\u62e9\u51e0\u4e2a\u4eba\u505a\u7f16\u8f91\u5462\uff1f<\/li>\n
  • \u6211\u662f\u4ece\u7f51\u4e0a\u76f4\u63a5\u4e0b\u8f7d\u7684\u82f1\u6587 pdf \u7248\u672c\u8fdb\u884c\u7684\u7ffb\u8bd1\uff0c\u6211\u5e94\u5f53\u6309\u7167\u54ea\u79cd\u534f\u8bae\u8fdb\u884c\u5206\u4eab\u5462\uff1f<\/li>\n
  • \u76ee\u524d\u6211\u53d1\u73b0\u4ece\u82f1\u6587\u7ffb\u8bd1\u5230\u4e2d\u6587\u65f6\uff0c\u6709\u5927\u91cf\u7684\u8bcd\u8bed\u6709\u591a\u91cd\u542b\u4e49\u548c\u591a\u79cd\u7ffb\u8bd1\uff0c\u53c8\u7531\u4e8e\u5f88\u591a\u4e2d\u6587\u8d44\u6599\u5f53\u4e2d\u6709\u5f88\u591a\u9519\u8bef\u3002\u56e0\u6b64\u6253\u7b97\u5efa\u4e00\u4e2a\u7f51\u7ad9\uff0c\u7528\u6765\u63d0\u4f9b\u82f1\u6587\u548c\u4e2d\u6587\u7684\u67e5\u8be2\u3002\u4f46\u662f\u6211\u60f3\u63d0\u4f9b\u4e00\u79cd\u8bcd\u6761\u4e4b\u95f4\u7684\u8054\u7cfb\uff0c\u55ef\uff0c\u7c7b\u4f3c cpp reference \u90a3\u79cd\u3002\u90a3\u4e48\u6211\u5e94\u5f53\u600e\u4e48\u5229\u7528\u6570\u636e\u5e93\u5b9e\u73b0\u8fd9\u79cd\u5b58\u50a8\u8fd9\u79cd\u7c7b\u4f3c\u56fe\u7684\u5173\u7cfb\u5462\uff1f\u6709\u5927\u4f6c\u6559\u6559\u6211\u5417\uff1f<\/li>\n<\/ul>\n

    \u4e0b\u9762\u662f\u7b2c\u4e8c\u7ae0\u7684\u5185\u5bb9\uff0c\u6211\u6ca1\u6709\u7ffb\u8bd1\u4fa7\u8fb9\u680f\uff0c\u8be6\u7ec6\u4fa7\u8fb9\u680f\u7684\u8ba1\u5212\u653e\u5230\u540e\u9762\u3002\u56fe\u7247\u7684\u94fe\u63a5\u662f github \u7684\u94fe\u63a5 \u6709\u9519\u8bef\u53ef\u4ee5\u76f4\u63a5\u56de\u590d\u7ed9\u6211\uff1a<\/p>\n

    \u7b2c\u4e8c\u7ae0\uff1a\u7f13\u5b58\u4e00\u81f4\u6027\u57fa\u7840<\/h2>\n

    \u672c\u7ae0\u6211\u4eec\u4f1a\u5145\u5206\u4ecb\u7ecd\u7f13\u5b58\u4e00\u81f4\u6027\u6765\u5e2e\u52a9\u7406\u89e3\u5f3a\u5b9a\u5e8f\u6a21\u578b\uff08\u4e5f\u53ef\u88ab\u8bd1\u4e3a\u4e00\u81f4\u6027\u5185\u5b58\u6a21\u578b\uff0cSC \uff09\u5982\u4f55\u548c\u7f13\u5b58\u4ea4\u4e92\u3002\u4ece 2.1 \u8282\u5f00\u59cb\u6211\u4eec\u4f1a\u5c55\u793a\u672c\u4e66\u4e00\u76f4\u6d89\u53ca\u5230\u7684\u5f3a\u5b9a\u5e8f\u6a21\u578b\u3002\u4e3a\u4e86\u7b80\u5316\u672c\u7ae0\u8282\u548c\u5176\u4ed6\u7ae0\u8282\u7684\u7406\u8bba\u590d\u6742\u6027\uff0c\u6211\u4eec\u9009\u62e9\u6700\u7b80\u5355\u7684\u7cfb\u7edf\u6a21\u578b\u6765\u5c55\u793a\u9700\u8981\u5173\u6ce8\u7684\u91cd\u8981\u4e8b\u9879\uff1b\u5230\u7b2c\u4e5d\u7ae0\u6211\u4eec\u624d\u4f1a\u6d89\u53ca\u5230\u66f4\u590d\u6742\u7684\u7cfb\u7edf\u6a21\u578b\u30022.2 \u8bb2\u8ff0\u6709\u54ea\u4e9b\u5fc5\u987b\u89e3\u51b3\u7684\u7f13\u5b58\u4e00\u81f4\u6027\u95ee\u9898\u53ca\u4e3a\u4ec0\u4e48\u4f1a\u6709\u7f13\u5b58\u4e0d\u4e00\u81f4\u95ee\u9898\u51fa\u73b0\u30022.3 \u8282\u7ed9\u51fa\u4e86\u7f13\u5b58\u4e00\u81f4\u6027\u6982\u5ff5\u5177\u4f53\u7684\u5b9a\u4e49\u3002\uff08\u8fd9\u91cc\u591a\u8d58\u8ff0\u4e00\u70b9\uff0cX86 \u786c\u4ef6\u5b9e\u73b0\u7f13\u5b58\u4e00\u81f4\u6027\uff0c\u800c ARM \u5e76\u975e\u5982\u6b64\uff01\u9700\u8981\u8f6f\u4ef6\u5b9e\u73b0\uff09<\/p>\n

    2.1 \u57fa\u7ebf\u7cfb\u7edf\u6a21\u578b(BASELINE SYSTEM MODEL)<\/h3>\n

    \u672c\u4e66\u91cc\uff0c\u6211\u4eec\u5c06\u7cfb\u7edf\u89c6\u4e3a\u4e00\u4e2a\u62e5\u6709\u591a\u4e2a\u5904\u7406\u5668\uff0c\u5171\u4eab\u540c\u4e00\u4e2a\u7269\u7406\u5185\u5b58\uff0c\u6240\u6709\u7684\u5904\u7406\u5668\u90fd\u53ef\u4ee5\u5bf9\u6240\u6709\u7684\u7269\u7406\u5730\u5740\u8fdb\u884c\u8f7d\u5165\u548c\u5b58\u50a8\u64cd\u4f5c\u7684\u6a21\u578b\u3002\u8be5\u57fa\u7ebf\u7cfb\u7edf\u5305\u542b\u4e00\u4e2a\u5355\u72ec\u7684\u591a\u6838\u82af\u7247\u548c\u82af\u7247\u5916\u7684\u7269\u7406\u5185\u5b58\uff0c\u5c31\u5982\u540c\u56fe 2.1 \u5c55\u793a\u7684\u90a3\u6837\u3002\u591a\u6838\u82af\u7247\u5305\u542b\u591a\u4e2a\u5355\u7ebf\u7a0b\u7684\u5904\u7406\u5668\uff0c\u6bcf\u4e2a\u5904\u7406\u90fd\u6709\u81ea\u5df1\u7684\u79c1\u6709\u6570\u636e\u7f13\u5b58\u3002\u6bcf\u4e2a\u6838\u5171\u4eab\u4e00\u4e2a\u6700\u4f4e\u5c42\u7ea7\u7f13\u5b58\uff08 last-level cache (LLC) \uff09\u3002\u5f53\u6211\u4eec\u8c08\u5230\u201c\u7f13\u5b58\u201d\u8fd9\u4e2a\u8bcd\uff0c\u6211\u4eec\u6307\u7684\u662f\u6bcf\u4e2a\u6838\u4e0a\u7684\u79c1\u6709\u6570\u636e\u7f13\u5b58\u800c\u4e0d\u662f\u6700\u4f4e\u5c42\u7ea7\u7f13\u5b58\u3002\u6bcf\u4e2a\u6838\u7684\u79c1\u6709\u6570\u636e\u6210\u5458\u901a\u8fc7\u7269\u7406\u5730\u5740\u751f\u6210\u7d22\u5f15\u548c\u6807\u8bb0\uff0c\u91c7\u53d6\u5199\u56de\u7b56\u7565(\u6ce8\uff0c\u4e0d\u660e\u767d\u4ec0\u4e48\u662f\u5199\u56de\u7b56\u7565\u7684\u53ef\u4ee5\u770b\u300a\u73b0\u4ee3\u4f53\u7cfb\u7ed3\u6784\u4e0a\u7684 unix \u7cfb\u7edf\u300b)\u3002\u5904\u7406\u5668\u4eec\u548c\u6700\u4f4e\u5c42\u7ea7\u7f13\u5b58\u4f7f\u7528\u4ea4\u4e92\u7f51\u7edc\uff08 interconnection network \uff09\u901a\u4fe1\u3002\u5c3d\u7ba1\u6700\u4f4e\u5c42\u7ea7\u7f13\u5b58\u4e5f\u5728\u5904\u7406\u5668\u82af\u7247\u4e0a\uff0c\u4f46\u4ece\u903b\u8f91\u89d2\u5ea6\u6765\u770b\uff0c\u662f\u4e2a\u201c\u5185\u5b58\u90e8\u5206\u7f13\u5b58\u201d(memory-side cache)\uff0c\u56e0\u6b64\u5e76\u4e0d\u4f1a\u5bfc\u81f4\u4efb\u4f55\u7f13\u5b58\u4e00\u81f4\u6027\u95ee\u9898\u3002\u4ece\u903b\u8f91\u5c42\u9762\u6765\u770b\uff0c\u6700\u4f4e\u5c42\u7ea7\u7f13\u5b58\u76f4\u63a5\u548c\u5185\u5b58\u4ea4\u4e92\uff0c\u63d0\u4f9b\u964d\u4f4e\u5185\u5b58\u8bbf\u95ee\u5ef6\u8fdf\u548c\u589e\u52a0\u5185\u5b58\u8bbf\u95ee\u5e26\u5bbd\u7684\u529f\u80fd\u3002\u5b83\u540c\u6837\u5145\u5f53\uff08\u591a\u5904\u7406\u5668\u82af\u7247\u7684\uff09\u7247\u4e0a\u5185\u5b58\u63a7\u5236\u5668\u89d2\u8272\u3002<\/p>\n

    \u6211\u4eec\u7684\u57fa\u7ebf\u7cfb\u7edf\u6a21\u578b\u5ffd\u7565\u4e86\u5f88\u591a\u548c\u672c\u4e66\u5185\u5bb9\u65e0\u5173\uff0c\u4f46\u662f\u5f88\u5e38\u89c1\u7684\u8bbe\u8ba1\u3002\u8fd9\u4e9b\u8bbe\u8ba1\u5305\u62ec\u6307\u4ee4\u7f13\u5b58\uff0c\u591a\u7ea7\u7f13\u5b58\uff0c\u591a\u5904\u7406\u5668\u5171\u4eab\u4e00\u7ea7\u7f13\u5b58\uff0c\u865a\u62df\u5730\u5740\u7f13\u5b58\uff0cTLB\uff0cDMA \u3002\u540c\u65f6\uff0c\u6211\u4eec\u5ffd\u7565\u5305\u542b\u591a\u4e2a\u591a\u6838\u82af\u7247\u7684\u7cfb\u7edf\u3002\u8fd9\u4e9b\u4f1a\u6dfb\u52a0\u4e0d\u5fc5\u8981\u590d\u6742\u5ea6\u7684\u8bdd\u9898\uff0c\u4ee5\u540e\u518d\u8bf4\u3002<\/p>\n

      \n
    • \"\u7ffb\u8bd1\u300aA<\/li>\n<\/ul>\n

      2.2 \u5173\u952e\u95ee\u9898\uff1a\u7f13\u5b58\u4e0d\u4e00\u81f4\u5230\u5e95\u662f\u600e\u6837\u53d1\u751f\u7684\uff1f<\/h3>\n

      \u7f13\u5b58\u4e0d\u4e00\u81f4\u4e4b\u6240\u4ee5\u4f1a\u51fa\u73b0\u662f\u56e0\u4e3a\u4e00\u4e2a\u5f88\u57fa\u672c\u7684\u95ee\u9898\uff1a\u591a\u4e2a\u89d2\u8272\u53ef\u4ee5\u5e76\u884c\u5730\u8bbf\u95ee\u5185\u5b58\u548c\u7f13\u5b58\u7684\u5165\u53e3\u3002\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u91cc\uff0c\u8fd9\u4e9b\u89d2\u8272\u5305\u62ec\u5904\u7406\u5668\uff0cDMA \u63a7\u5236\u5668\uff0c\u548c\u4e00\u4e9b\u5176\u4ed6\u7684\u53ef\u8bfb\u5199\u7f13\u5b58\u548c\u5185\u5b58\u7684\u5916\u90e8\u8bbe\u5907\u3002\u5728\u672c\u4e66\u91cc\uff0c\u6211\u4eec\u5c06\u76ee\u5149\u6295\u5c04\u4e8e\u5904\u7406\u5668\uff0c\u4f46\u8fd9\u5e76\u4e0d\u610f\u5473\u53ef\u4ee5\u65e0\u89c6\u5904\u7406\u5668\u4ee5\u5916\u7684\u89d2\u8272\u3002<\/p>\n

      \u8868 2.1 \u5c55\u793a\u4e86\u4e00\u4e2a\u7f13\u5b58\u4e0d\u4e00\u81f4\u7684\u4f8b\u5b50\uff0c\u4e00\u5f00\u59cb\u5185\u5b58\u5730\u5740 A \u548c\u4e24\u4e2a\u5904\u7406\u5668\u7684\u672c\u5730\u7f13\u5b58\u90fd\u5b58\u50a8\u503c 42 \u3002\u5728\u65f6\u523b 1\uff0c\u5904\u7406\u5668 1 \u6539\u53d8\u4e86\u5176\u7f13\u5b58\u548c\u5185\u5b58\u5730\u5740 A \u50a8\u5b58\u7684\u503c\uff0c\u4ece 42 \u53d8\u5230 43 \u3002\u8fd9\u4f7f\u5f97\u5904\u7406\u5668 2 \u7f13\u5b58\u91cc\u7684\u503c\u8fc7\u65f6\u3002\u5904\u7406\u5668 2 \u5728\u6267\u884c\u4e00\u4e2a while \u5faa\u73af\u7684\u8f7d\u5165\uff0c\u91cd\u590d\u5730\u4ece\u5b83\u81ea\u5df1\u7684\u672c\u5730\u7f13\u5b58\u4e2d\u8f7d\u5165\u5df2\u7ecf\u8fc7\u65f6\u7684 A \u7684\u503c 42 \u3002\u5f88\u660e\u663e\uff0c\u8fd9\u4e2a\u7f13\u5b58\u4e0d\u4e00\u81f4\u7684\u4f8b\u5b50\uff0c\u662f\u7531\u4e8e\u5904\u7406\u5668 1 \u5bf9 A \u7684\u50a8\u5b58\u884c\u4e3a\uff0c\u5bf9\u5904\u7406\u5668 2 \u662f\u4e0d\u53ef\u89c1\uff0c\u800c\u5bfc\u81f4\u7684\u3002<\/p>\n

      \u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u7f13\u5b58\u4e0d\u4e00\u81f4\u95ee\u9898\uff0c\u7cfb\u7edf\u5fc5\u987b\u5b9e\u73b0\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\uff08 cache coherence protocol \uff09\u624d\u80fd\u4fdd\u8bc1\u5904\u7406\u5668 1 \u7684\u7ed3\u679c\u5bf9\u5904\u7406\u5668 2 \u662f\u53ef\u89c1\u7684\u3002\u8bbe\u8ba1\u548c\u5b9e\u73b0\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u662f\u7b2c\u516d\u7ae0-\u7b2c\u4e5d\u7ae0\u7684\u4e3b\u8981\u8bdd\u9898\u3002<\/p>\n

      \"\u7ffb\u8bd1\u300aA<\/p>\n

      2.3 \u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u63a5\u53e3<\/h3>\n

      \u901a\u4fd7\u7684\u8bf4\uff0c\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u5fc5\u987b\u4fdd\u8bc1\u5199\u64cd\u4f5c\u5bf9\u6240\u6709\u7684\u5904\u7406\u5668\u53ef\u89c1\u3002\u672c\u8282\uff0c\u6211\u4eec\u4f1a\u6b63\u5f0f\u5730\u4ece\u7f13\u5b58\u4e00\u81f4\u6027\u63a5\u53e3\u4e2d\u62bd\u8c61\u51fa\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u3002<\/p>\n

      \u5904\u7406\u5668\u901a\u8fc7\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u63d0\u4f9b\u7684\u4e24\u4e2a\u63a5\u53e3\u6765\u8fdb\u884c\u4ea4\u4e92\uff1a(1)\u8bfb\u8bf7\u6c42(read-request)\uff0c\u8be5\u8bf7\u6c42\u5c06\u5185\u5b58\u5730\u5740\u4f5c\u4e3a\u53c2\u6570\uff0c\u8be5\u8bf7\u6c42\u7684\u7ed3\u679c\u662f\u5411\u5904\u7406\u5668\u8fd4\u56de\u4e00\u4e2a\u503c\u3002(2)\u5199\u8bf7\u6c42(write-request)\u5c06\u5185\u5b58\u5730\u5740\u4f5c\u4e3a\u53c2\u6570 1\uff0c\u5c06\u8981\u5199\u5165\u7684\u503c\u4f5c\u4e3a\u53c2\u6570 2\uff0c\u8be5\u8bf7\u6c42\u7684\u7ed3\u679c\u662f\u5411\u5904\u7406\u5668\u8fd4\u56de\u4e00\u4e2a\u786e\u8ba4\u503c\u3002<\/p>\n

      \u65e0\u8bba\u662f\u5b66\u672f\u8fd8\u662f\u5de5\u4e1a\u754c\uff0c\u76ee\u524d\u5df2\u7ecf\u7531\u8bb8\u591a\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u51fa\u73b0\uff0c\u6211\u4eec\u4f1a\u6839\u636e\u8fd9\u4e9b\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u63d0\u4f9b\u7684\u63a5\u53e3\u8fdb\u884c\u533a\u5206\uff0c\u5177\u4f53\u6765\u8bf4\u5c31\u662f\u901a\u8fc7\u7f13\u5b58\u4e00\u81f4\u6027\u662f\u5426\u548c\u5185\u5b58\u4e00\u81f4\u6027\u5bc6\u4e0d\u53ef\u5206\u6765\u533a\u5206\u3002<\/p>\n

        \n
      • \u4e00\u81f4\u6027\u4e0d\u53ef\u533a\u5206\u534f\u8bae \u8fd9\u79cd\u534f\u8bae\uff0c\u6267\u884c\u5199\u8bf7\u6c42\u65f6\uff0c\u5373\u4f7f\u6ca1\u6709\u8fd4\u56de\u786e\u8ba4\uff0c\u5199\u5165\u7684\u7ed3\u679c\u7acb\u523b\u5bf9\u5176\u4ed6\u6838\u53ef\u89c1\u3002\u56e0\u4e3a\u5199\u64cd\u4f5c\u662f\u540c\u6b65\u4f20\u64ad\u7684\uff0c\u7b2c\u4e00\u79cd\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u5c31\u5982\u540c\u5de5\u4f5c\u5728\u4e00\u4e2a\u539f\u5b50\u64cd\u4f5c\u5185\u5b58\u7cfb\u7edf\u4e0a(\u7f13\u5b58\u4eff\u4f5b\u4e0d\u5b58\u5728\u4e00\u6837)\u3002\u4efb\u4f55\u548c\u8fd9\u79cd\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u4ea4\u4e92\u7684\u5b50\u7cfb\u7edf-\u6bd4\u65b9\u8bf4\u5904\u7406\u5668\u7ba1\u7ebf-\u53ef\u4ee5\u8ba4\u4e3a\u5b83\u6b63\u5728\u548c\u4e00\u4e2a\u6ca1\u6709\u7f13\u5b58\u7684\u539f\u5b50\u64cd\u4f5c\u5185\u5b58\u7cfb\u7edf\u4ea4\u4e92\u3002\u4ece\u8ffd\u6c42\u5b9e\u73b0\u4ee3\u7801\u987a\u5e8f\u4e00\u81f4\u6027\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u8fd9\u79cd\u534f\u8bae\u514d\u53bb\u4e86\u7a0b\u5e8f\u5458\u5bf9\u591a\u6838\u7cfb\u7edf\u4e2d\u53d8\u91cf\u503c\u4e0d\u540c\u7684\u62c5\u5fe7\u3002\u8fd9\u79cd\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u5c06\u7f13\u5b58\u900f\u660e\u5316\uff0c\u4eff\u4f5b\u79fb\u9664\u4e86\u7f13\u5b58\u7684\u5b58\u5728\uff0c\u53ea\u6709\u539f\u5b50\u64cd\u4f5c\u5185\u5b58\u7cfb\u7edf\u3002\u8fd9\u79cd\u534f\u8bae\u7684\u5b9e\u73b0\uff0c\u5c06\u95ee\u9898\u4e22\u7ed9\u4e86\u5904\u7406\u5668\u7ba1\u7ebf\uff08\u786c\u4ef6\uff09\u89e3\u51b3\u3002<\/li>\n
      • \u4e00\u81f4\u6027\u53ef\u533a\u5206\u534f\u8bae \u8fd9\u79cd\u534f\u8bae\u7684\u5199\u7ed3\u679c\u662f\u5f02\u6b65\u4f20\u64ad\u7684\uff0c\u56e0\u6b64\u5199\u64cd\u4f5c\u7684\u786e\u8ba4\u53ef\u80fd\u5728\u5176\u4ed6\u6838\u53ef\u89c1\u4e4b\u524d\u5c31\u8fd4\u56de\u7ed9\u5f53\u524d\u6838\uff0c\u4ece\u800c\u53ef\u4ee5\u5728\u5176\u4ed6\u6838\u4e0a\u89c2\u6d4b\u5230\u8fc7\u671f\u7684\u53d8\u91cf\u3002\u7136\u800c\uff0c\u4e3a\u4e86\u4e0d\u8fdd\u80cc\u5185\u5b58\u4e00\u81f4\u6027\u7684\u8981\u6c42\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u5fc5\u987b\u4fdd\u8bc1\u5199\u5165\u7684\u503c\u6240\u663e\u793a\u7684\u987a\u5e8f\uff0c\u548c\u5199\u5165\u64cd\u4f5c\u5199\u5165\u7684\u987a\u5e8f\u662f\u4e00\u81f4\u7684\uff08\u6211\u7406\u89e3\u4e3a\uff0c\u5982\u679c\u5199\u5165\u64cd\u4f5c\u7684\u987a\u5e8f\u662f a,b,c,d,e\uff0c\u90a3\u4e48\u5176\u4ed6\u6838\u770b\u5230\u7684\u987a\u5e8f\u4e5f\u5f97\u662f a,b,c,d,e \u3002\u4e0d\u80fd\u51fa\u73b0 a,d,c,b,e \u8fd9\u79cd\u6df7\u4e71\u7684\u987a\u5e8f\uff09\u3002\u56fe 2.2 \u4e2d\uff0c\u5904\u7406\u5668\u7ba1\u7ebf\u548c\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u4e00\u8d77\u52aa\u529b\u5b9e\u73b0\u5185\u5b58\u4e00\u81f4\u6027\u3002\u7b2c\u4e8c\u79cd\u7c7b\u578b\u7684\u7f13\u5b58\u4e00\u81f4\u6027\u591a\u89c1\u4e8e GPU \u3002<\/li>\n<\/ul>\n

        \u672c\u4e66\u4e3b\u8981\u5173\u6ce8\u7b2c\u4e00\u79cd\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\uff0c\u7b2c\u4e8c\u79cd\u7c7b\u578b\u7684\u534f\u8bae\u5230\u7b2c\u5341\u7ae0\u624d\u4f1a\u8ba8\u8bba\u3002<\/p>\n

        \"\u7ffb\u8bd1\u300aA<\/p>\n

        2.4 \u7f13\u5b58\u4e0d\u53d8\u5f0f<\/h3>\n

        \u7a76\u7adf\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u5e94\u5f53\u6ee1\u8db3\u4ec0\u4e48\u4e0d\u53d8\u5f0f\uff0c\u624d\u80fd\u4f7f\u5f97\u7f13\u5b58\u900f\u660e\u5316\uff0c\u5c06\u7269\u7406\u5185\u5b58\u548c\u7f13\u5b58\u7cfb\u7edf\u62bd\u8c61\u6210\u4e00\u4e2a\u539f\u5b50\u5185\u5b58\u7cfb\u7edf\u5462\uff1f\u76ee\u524d\u65e0\u8bba\u662f\u5de5\u4e1a\u754c\u8fd8\u662f\u5b66\u672f\u754c\uff0c\u5df2\u7ecf\u6709\u591a\u79cd\u7f13\u5b58\u4e00\u81f4\u6027\u7684\u5b9a\u4e49\uff0c\u6211\u4eec\u53ef\u4e0d\u60f3\u628a\u4ed6\u4eec\u90fd\u5217\u51fa\u6765\u3002\u4f5c\u4e3a\u66ff\u4ee3\uff0c\u6211\u4eec\u4f1a\u7ed9\u51fa\u4e00\u79cd\u4f53\u73b0\u7f13\u5b58\u4e00\u81f4\u6027\u672c\u8d28\u7684\u5b9a\u4e49\u3002\u5728\u4fa7\u8fb9\u680f\u91cc\uff0c\u6211\u4eec\u4f1a\u8ba8\u8bba\u5176\u4ed6\u5b9a\u4e49\uff0c\u5c55\u793a\u4ed6\u4eec\u548c\u6211\u4eec\u7684\u5b9a\u4e49\u6709\u4ec0\u4e48\u5173\u7cfb\u3002<\/p>\n

        \u6211\u4eec\u5c06\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u5b9a\u4e49\u4e3a\u6ee1\u8db3\u5355\u5199\u591a\u8bfb\u4e0d\u53d8\u5f0f\uff08 SWMR(single-writer\u2013multiple-reader )\uff09\u7684\u534f\u8bae\u3002\u4efb\u4f55\u4e00\u4e2a\u65f6\u523b\uff0c\u5bf9\u4e8e\u7279\u5b9a\u7684\u5185\u5b58\u5730\u5740\uff0c\u5728\u4efb\u4f55\u4e00\u4e2a\u65f6\u523b\uff0c\u5982\u679c\u8be5\u5730\u5740\u7684\u5185\u5bb9\u53ea\u88ab\u4e00\u4e2a\u6838\u4fee\u6539\uff0c\u4e0d\u5b58\u5728\u5176\u4ed6\u6838\u4e5f\u5728\u540c\u65f6\u8fdb\u884c\u8bfb\u6216\u5199\u64cd\u4f5c\uff0c\u6216\u8005\uff08\u8fd9\u4e2a\u6216\u8005\u5bf9\u5e94\u4e8e\u90a3\u4e2a\u201c\u5982\u679c\u8be5\u5730\u5740\u201d\uff09\u6b64\u65f6\u6ca1\u6709\u4efb\u4f55\u4e00\u4e2a\u6838\u8fdb\u884c\u5199\u64cd\u4f5c\uff0c\u591a\u4e2a\u6838\u5728\u5bf9\u8fd9\u5757\u5730\u5740\u8fdb\u884c\u8bfb\u64cd\u4f5c\u3002\u6362\u53e6\u4e00\u79cd\u8bf4\u6cd5\uff0c\u5bf9\u4efb\u4f55\u5185\u5b58\u5757\u800c\u8a00\uff0c\u8be5\u5757\u7684\u751f\u547d\u5468\u671f\u88ab\u5206\u4e3a\u591a\u4e2a\u5468\u671f\u3002\u6bcf\u4e2a\u5468\u671f\u91cc\uff0c\u8be5\u5185\u5b58\u5757\u53ea\u4f1a\u5904\u4e8e\u4e24\u79cd\u72b6\u51b5\uff1a\u4e00\u79cd\u72b6\u51b5\u662f\u53ea\u6709\u4e00\u4e2a\u6838\u62e5\u6709\u8bfb+\u5199\u6743\u9650\uff0c\u53e6\u4e00\u79cd\u72b6\u51b5\u662f\u6709\u591a\u4e2a\u6838(\u4e5f\u53ef\u80fd\u4e00\u4e2a\u90fd\u6ca1\u6709)\u62e5\u6709\u53ea\u8bfb\u6743\u9650\u3002\u56fe 2.3 \u5c55\u793a\u4e86\u5c06\u5185\u5b58\u5757\u751f\u547d\u5468\u671f\u62c6\u5206\u5f00\u7684\u4f8b\u5b50\u3002<\/p>\n

        \u9664\u4e86 SWMR \u4e0d\u53d8\u5f0f\uff0c\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u540c\u6837\u8981\u6c42\u64cd\u4f5c\u5185\u5b58\u5757\u503c\u7684\u884c\u4e3a\u53ef\u4ee5\u88ab\u6b63\u786e\u7684\u4f20\u64ad\uff08\uff09\u3002\u8bbe\u60f3\u56fe 2.3 \u4e2d\u7684\u4f8b\u5b50\uff0c\u5373\u4f7f\u6ee1\u8db3\u4e86 SWMR \u4e0d\u53d8\u5f0f\uff0c\u5982\u679c\u7b2c\u4e00\u4e2a\u53ea\u8bfb\u5468\u671f\uff0c\u6838 2 \u548c\u6838 5 \u8bfb\u5230\u4e86\u4e0d\u540c\u7684\u503c\uff0c\u90a3\u4e48\u7cfb\u7edf\u5c31\u4e0d\u6ee1\u8db3\u534f\u8bae\u4e00\u81f4\u6027\u4e86\u3002\u76f8\u4f3c\u5730\uff0c\u5982\u679c\u6838 1 \u6ca1\u80fd\u6210\u529f\u8bfb\u53d6\u6838 3 \u5728\u8bfb+\u5199\u5468\u671f\u5199\u5165\u7684\u503c\uff0c\u6216\u8005\u6838 1\uff0c\u6838 2\uff0c\u6838 3 \u6ca1\u80fd\u8bfb\u53d6\u5230\u6838 1 \u5b58\u50a8\u7684\u503c\uff0c\u534f\u8bae\u4e00\u81f4\u6027\u518d\u6b21\u88ab\u6253\u7834\u3002<\/p>\n

        \u56e0\u6b64\uff0c\u5fc5\u987b\u6ee1\u8db3 SWMR \u4e0d\u53d8\u5f0f\u548c\u6570\u636e\u503c\u64cd\u4f5c\u6b63\u786e(Data-Value Invariant )\u4e0d\u53d8\u5f0f\u624d\u80fd\u6ee1\u8db3\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\uff0c\u6570\u636e\u503c\u64cd\u4f5c\u6b63\u786e\u4e0d\u53d8\u5f0f\u4fdd\u8bc1\u4e86\u5904\u7406\u5668\u5728\u8bfb\u5468\u671f\uff0c\u80fd\u6b63\u786e\u8bfb\u5230\u8be5\u5185\u5b58\u5757\u5904\u4e8e\u8bfb+\u5199\u5468\u671f\u65f6\u6700\u540e\u5199\u5165\u7684\u503c\u3002<\/p>\n

        \u5176\u4ed6\u7684\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u4e0d\u53d8\u5f0f\u7684\u5b9a\u4e49\u548c\u6211\u4eec\u7684\u5927\u540c\u5c0f\u5f02\u3002\uff08\u4e0b\u9762\u7684\u7ffb\u8bd1\u662f\u6211\u80e1\u7f16\u7684\uff09\u864e\u7b26\u534f\u8bae\uff0c\u53ea\u6709\u62ff\u5230\u6240\u6709\u7684\u864e\u7b26\u624d\u80fd\u6267\u884c\u8c03\u5175\u64cd\u4f5c\uff08\u5199\u64cd\u4f5c\uff09\uff0c\u5426\u5219\u53ea\u80fd\u6267\u884c\u62a5\u6570\u64cd\u4f5c\uff08\u8bfb\u64cd\u4f5c\uff09\u3002\u5728\u4efb\u610f\u65f6\u523b\uff0c\u53ea\u53ef\u80fd\u6709\u4e00\u4e2a\u8c03\u5175\u64cd\u4f5c\uff08\u5199\u64cd\u4f5c\uff09\u6216\u8005\u591a\u4e2a\u62a5\u6570\u64cd\u4f5c\uff08\u8bfb\u64cd\u4f5c\uff09\u3002<\/p>\n

        \"\u7ffb\u8bd1\u300aA<\/p>\n

        2.4.1 \u5b9e\u73b0\u7f13\u5b58\u4e0d\u53d8\u5f0f<\/h4>\n

        \u4e0a\u4e00\u8282\u63d0\u5230\u7684\u51e0\u4e2a\u4e0d\u53d8\u5f0f\u6697\u793a\u4e86\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u5982\u4f55\u5de5\u4f5c\u3002\u5927\u90e8\u5206\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\uff0c\u88ab\u79f0\u4e3a\u201c\u65e0\u6548\u5316\u534f\u8bae\u201d\uff0c\u5c31\u6ee1\u8db3\u8fd9\u4e9b\u4e0d\u53d8\u5f0f\u3002\u5982\u679c\u4e00\u4e2a\u6838\u60f3\u8bfb\u53d6\u4e00\u5757\u5185\u5b58\uff0c\u5c31\u5411\u5176\u4ed6\u6838\u53d1\u9001\u6d88\u606f\u8bf7\u6c42\u83b7\u53d6\u8be5\u5185\u5b58\u5757\u7684\u503c\u5e76\u786e\u4fdd\u4e0d\u4f1a\u6709\u5176\u4ed6\u6838\u5df2\u7ecf\u7f13\u5b58\u4e86\u8fd9\u4e2a\u5185\u5b58\u5757\u7684\u503c\uff0c\u4e14\uff08\u5176\u4ed6\u6838\uff09\u5904\u4e8e\u8bfb+\u5199\u72b6\u6001\u3002\u8be5\u6d88\u606f\u4f1a\u7ec8\u6b62\u4efb\u4f55\u5f53\u524d\u6d3b\u8dc3\u7684\u8bfb+\u5199\u72b6\u6001\uff0c\u5e76\u5f00\u59cb\u4e00\u4e2a\u53ea\u8bfb\u5468\u671f\u3002\u5982\u4f55\u8be5\u6838\u76f8\u5bf9\u67d0\u4e2a\u5185\u5b58\u5757\u5199\uff0c\u5b83\u4f1a\u5bf9\u5176\u4ed6\u6838\u53d1\u9001\u8bf7\u6c42\u83b7\u53d6\u8be5\u5185\u5b58\u5757\u7684\u503c\uff0c\u5e76\u786e\u5b9a\u5176\u5b83\u6838\u6ca1\u6709\u7f13\u5b58\u8be5\u5185\u5b58\u5757\uff0c\u65e0\u8bba\u4ed6\u4eec\u662f\u51fa\u4e8e\u53ea\u8bfb\u8fd8\u662f\u8bfb+\u5199\u72b6\u6001\u3002\u8be5\u8bf7\u6c42\u4f1a\u7ec8\u6b62\u4efb\u4f55\u6d3b\u8dc3\u7684\u8bfb+\u5199\u6216\u53ea\u8bfb\u7684\u5468\u671f\uff0c\u5e76\u5f00\u59cb\u4e00\u4e2a\u65b0\u7684\u8bfb+\u5199\u5468\u671f\u3002\u540e\u7eed\u7684\u7ae0\u8282(6-9 \u7ae0)\u62d3\u5c55\u4e86\u8fd9\u79cd\u534f\u8bae\u7684\u62bd\u8c61\u6a21\u578b\uff0c\u4f46\u5b9e\u73b0\u4e00\u81f4\u6027\u57fa\u672c\u7684\u7406\u5ff5\u4e0d\u53d8\u3002<\/p>\n

        2.4.2 \u7f13\u5b58\u7684\u7c92\u5ea6<\/h4>\n

        \u4e00\u4e2a\u6838\u53ef\u4ee5\u4ee5\u591a\u79cd\u7c92\u5ea6\u6267\u884c\u8f7d\u5165\u548c\u50a8\u5b58\u64cd\u4f5c\uff0c\u7c92\u5ea6\u4e00\u822c\u4ece 1-64 \u5b57\u8282\u6d6e\u52a8\u3002\u7406\u8bba\u4e0a\u6765\u8bf4\uff0c\u7f13\u5b58\u4e00\u81f4\u6027\u53ef\u4ee5\u4ee5\u4efb\u610f\u7c92\u5ea6\u6267\u884c\u3002\u7136\u540e\u73b0\u5b9e\u73af\u5883\u91cc\u7f13\u5b58\u4e00\u81f4\u6027\u7684\u7c92\u5ea6\u7ecf\u5e38\u548c\u7f13\u5b58\u5757\u5927\u5c0f\u4fdd\u6301\u4e00\u81f4—\u771f\u5b9e\u786c\u4ef6\u4ee5\u7f13\u5b58\u5757\u957f\u5ea6\u5b9e\u73b0\u7f13\u5b58\u4e00\u81f4\u6027\u3002\u5bf9\u771f\u5b9e\u786c\u4ef6\u800c\u8a00\uff0c\u57fa\u672c\u4e0d\u53ef\u80fd\u51fa\u73b0\u4e00\u4e2a\u6838\u4fee\u6539\u7f13\u5b58\u5757\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\uff0c\u5176\u4ed6\u6838\u4fee\u6539\u8be5\u7f13\u5b58\u5757\u7684\u5176\u4ed6\u5b57\u8282(\u5bf9\u7f13\u5b58\u7684\u4fee\u6539\u901a\u5e38\u90fd\u662f\u6574\u884c\u7684\uff0c\u4ece\u5b9e\u73b0\u89d2\u5ea6\u548c\u7406\u8bba\u89d2\u5ea6\uff0c\u6548\u7387\u66f4\u597d\u5b9e\u73b0\u7b80\u5355)\u3002\u5c3d\u7ba1\u4ee5\u7f13\u5b58\u5757\u957f\u5ea6\u4e3a\u7f13\u5b58\u4e00\u81f4\u6027\u5b9e\u884c\u7684\u7c92\u5ea6\u66f4\u4e3a\u666e\u904d\uff0c\u6211\u4eec\u9700\u8981\u8ba4\u8bc6\u5230\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u53ef\u4ee5\u4ee5\u5176\u4ed6\u7c92\u5ea6\u5b9e\u73b0\u3002<\/p>\n

        2.4.3 \u7f13\u5b58\u4e00\u81f4\u6027\u4f55\u65f6\u91cd\u8981<\/h4>\n

        \u65e0\u8bba\u6211\u4eec\u9009\u62e9\u5982\u4f55\u5b9a\u4e49\u7f13\u5b58\u4e00\u81f4\u6027\uff0c\u7f13\u5b58\u4e00\u81f4\u6027\u53ea\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u81f3\u5173\u91cd\u8981\u3002\u67b6\u6784\u8bbe\u8ba1\u8005\u5fc5\u987b\u6e05\u695a\u7f13\u5b58\u4e00\u81f4\u6027\u662f\u5426\u751f\u6548\u3002\u6211\u4eec\u6307\u51fa\u4e24\u6761\u7f13\u5b58\u4e00\u81f4\u6027\u7684\u51c6\u5219(\u6211\u7406\u89e3\u4e3a\u7f13\u5b58\u4e00\u81f4\u6027\u63d0\u4f9b\u7684\u4fdd\u8bc1)\u3002<\/p>\n

          \n
        • \u7f13\u5b58\u4e00\u81f4\u6027\u5bf9\u4efb\u4f55\u5c42\u7ea7\u7684\u7f13\u5b58\u548c\u5171\u4eab\u7269\u7406\u5185\u5b58\u90fd\u9002\u7528\u3002\u8fd9\u4e9b\u7ed3\u6784\u5305\u62ec L1 \u6570\u636e\u7f13\u5b58\uff0cL2 \u7ea7\u522b\u7f13\u5b58\uff0c\u5171\u4eab\u7684 LLC\uff0c\u548c\u4e3b\u5b58\u3002\u6b64\u5916\u8bf8\u5982 L1 \u6307\u4ee4\u7f13\u5b58\u548c TLB \u540c\u6837\u9002\u7528\u3002(\u8fd9\u53e5\u8bdd\u9700\u8981\u6ce8\u610f\uff0c\u8fd9\u4e9b\u7ed3\u6784\u5e76\u4e0d\u5305\u542b per core write buffer\uff0c\u4e5f\u5c31\u662f\u6bcf\u4e2a\u6838\u7684\u5199\u7f13\u5b58\u5668\u3002\u5199\u7f13\u51b2\u5668\u548c L1\/L2\/LLC cache \u5e76\u4e0d\u662f\u4e00\u4e2a\u4e1c\u897f\uff0c\u5982\u679c\u8fd9\u4e2a\u4e0d\u6e05\u695a\uff0c\u770b TSO \u548c PSO \u7684\u65f6\u5019\u4f1a\u4ea7\u751f\u5f88\u591a\u7591\u95ee)<\/li>\n
        • \u7f13\u5b58\u4e00\u81f4\u6027\u5bf9\u7a0b\u5e8f\u5458\u662f\u900f\u660e\u7684\u3002\u5904\u7406\u5668\u7ba1\u7ebf(pipeline)\u548c\u4e00\u81f4\u6027\u6a21\u578b\u4e00\u540c\u52aa\u529b\u63d0\u4f9b\u5f3a\u5b9a\u5e8f\u7684\u5185\u5b58\u6a21\u578b\uff0c\u7a0b\u5e8f\u5458\u53ea\u80fd\u6ce8\u610f\u5230\u5f3a\u5b9a\u5e8f\u7684\u5185\u5b58\u6a21\u578b\u3002<\/li>\n<\/ul><\/div>\n
          \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (1<\/span>) <\/div>\n
          <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
            \n
          • \n
            \n
            \n
            \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : hxndg <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            \u8bf8\u5982\u201c\u5185\u5b58\u4e00\u81f4\u6027\u201d\uff0c\u201c\u5f3a\u5b9a\u5e8f\u201d\u7b49\u672f\u8bed\uff0c\u6cbf\u7528\u7684\u662f\u4e66\u7c4d\u300a\u73b0\u4ee3\u4f53\u7cfb\u7ed3\u6784\u4e0a\u7684 UNIX \u7cfb\u7edf-\u5185\u6838\u7a0b\u5e8f\u5458\u7684\u5bf9\u79f0\u591a\u5904\u7406\u548c\u7f13\u5b58\u6280\u672f(\u4fee\u8ba2\u7248)\u300b\u7684\u4e60\u60ef\u3002\u4f46\u662f\u4f1a\u6839\u636e\u8bed\u5883\u9009\u62e9\u5177\u4f53\u7684\u7ffb\u8bd1\u65b9\u5f0f\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n","protected":false},"excerpt":{"rendered":"

            \u7ffb\u8bd1\u300aA Primer on Me…<\/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\/321292"}],"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=321292"}],"version-history":[{"count":1,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/321292\/revisions"}],"predecessor-version":[{"id":321295,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/321292\/revisions\/321295"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=321292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=321292"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=321292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}