{"id":145,"date":"2024-04-04T23:42:08","date_gmt":"2024-04-04T15:42:08","guid":{"rendered":"https:\/\/yewpo.top\/?p=145"},"modified":"2024-04-04T23:42:08","modified_gmt":"2024-04-04T15:42:08","slug":"popcorn-%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.yewpo.top\/index.php\/145\/","title":{"rendered":"Popcorn \u7b14\u8bb0"},"content":{"rendered":"
\n

\u6700\u8fd1\u5728\u540c\u4e00\u5e73\u53f0\u4e0a\u96c6\u6210\u591a\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u3001\u9ad8\u6838\u6570\u3001\u5f02\u6784ISA\u5904\u7406\u5668\u7684\u53ef\u80fd\u6027\u63d0\u51fa\u4e86\u4e00\u4e2a\u95ee\u9898\uff1a\u8003\u8651\u5230\u7cfb\u7edf\u7ec4\u4ef6\u4e4b\u95f4\u7684\u7d27\u5bc6\u96c6\u6210\uff0c\u662f\u5426\u53ef\u4ee5\u91c7\u7528\u5171\u4eab\u5185\u5b58\u7f16\u7a0b\u6a21\u578b\uff0c\u589e\u5f3a\u53ef\u7f16\u7a0b\u6027\uff1f<\/p>\n<\/blockquote>\n

1 \u6458\u8981\u548c\u5f15\u5165<\/h2>\n

\u5982\u4eca\uff0c\u5f02\u6784\u8ba1\u7b97<\/strong>\u7684\u683c\u5c40\u6b63\u5728\u53d1\u751f\u53d8\u5316\u3002\u5728\u786c\u4ef6\u5c42\u9762\uff0c\u4e0d\u518d\u662f\u4e3b\u5904\u7406\u5668\u548c\u5e73\u53f0\u73af\u5883\u8fdb\u884c\u4e13\u6709\u7ec4\u5408\u9002\u914d\uff0c\u800c\u662f\u91c7\u7528\u591a\u6838\u6570\u591a\u5904\u7406\u5668<\/strong>\u7684\u65b9\u5f0f\u3002\u5728\u8f6f\u4ef6\u5c42\u9762\uff0c\u6bcf\u4e2a\u5e94\u7528\u90fd\u662f OS\/ISA \u76f8\u5173\u7684\uff0c\u9664\u975e\u4f7f\u7528\u5f02\u6784\u7f16\u7a0b\u5e93\uff08\u5982 OpenCL, MYO\uff09\u6216\u8005\u662f\u5206\u5e03\u5f0f\u5185\u5b58\u7f16\u7a0b\u6a21\u578b\uff08\u5982MPI\uff09\u3002<\/p>\n

\n

\u4ec0\u4e48\u662f MPI \uff1f<\/strong><\/p>\n

\u5bf9 MPI \u7684\u5b9a\u4e49\u662f\u591a\u79cd\u591a\u6837\u7684\uff0c\u4f46\u4e0d\u5916\u4e4e\u4e0b\u9762\u4e09\u4e2a\u65b9\u9762\uff0c\u5b83\u4eec\u9650\u5b9a\u4e86 MPI \u7684\u5185\u6db5\u548c\u5916\u5ef6\uff1a<\/p>\n

    \n
  • MPI \u662f\u4e00\u4e2a\u5e93\uff0c\u4e0d\u662f\u4e00\u95e8\u8bed\u8a00\u3002MPI \u63d0\u4f9b\u5e93\u51fd\u6570\/\u8fc7\u7a0b\u4f9b C\/C++\/FORTRAN \u8c03\u7528\u3002<\/li>\n
  • MPI \u662f\u4e00\u79cd\u6807\u51c6\u6216\u89c4\u8303\u7684\u4ee3\u8868\uff0c\u800c\u4e0d\u7279\u6307\u67d0\u4e00\u4e2a\u5bf9\u5b83\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/li>\n
  • MPI \u662f\u4e00\u79cd\u6d88\u606f\u4f20\u9012\u7f16\u7a0b\u6a21\u578b\u3002\u6700\u7ec8\u76ee\u7684\u662f\u670d\u52a1\u4e8e\u8fdb\u7a0b\u95f4\u901a\u4fe1\u8fd9\u4e00\u76ee\u6807 \u3002<\/li>\n<\/ul>\n<\/blockquote>\n

    \u4e3a\u4e86\u63d0\u4f9b\u66f4\u597d\u7684\u53ef\u7f16\u7a0b\u6027<\/strong>\uff0c\u4f5c\u8005\u5b9e\u73b0\u4e86\u4e00\u4e2a\u4f7f\u7528\u5171\u4eab\u5185\u5b58\u7f16\u7a0b\u6a21\u578b<\/strong>\u4ee5\u53ca\u4f7f\u7528 POSIX \u63a5\u53e3<\/strong>\u7684\u8f6f\u4ef6\u67b6\u6784<\/strong>\uff0c\u4ee5\u4fbf\u53ef\u5728\u5f02\u6784\u7cfb\u7edf\u4e2d\u8fd0\u884c\u3002\u540c\u65f6\uff0c\u5229\u7528\u4e86\u5e94\u7528\u4e4b\u95f4\u5de5\u4f5c\u91cf\u7684\u591a\u6837\u6027<\/strong>\uff0c\u5c06\u4e0d\u540c\u5de5\u4f5c\u91cf\u7684\u5e94\u7528\u4ee3\u7801\u4ea4\u4ed8\u7ed9\u4e0d\u540c\u5f02\u6784\u7cfb\u7edf\u4e2d\u7684\u5904\u7406\u5668\u7fa4<\/strong>\uff08processor island\uff09\u6765\u6267\u884c\uff0c\u4ece\u800c\u63d0\u5347\u6027\u80fd<\/strong>\u3002<\/p>\n

    \u65b0\u5174\u7684\u5f02\u6784\u5e73\u53f0\u7684\u7279\u70b9\u5c31\u662f\u9ad8\u8026\u5408\u591a ISA<\/strong> \u7684\u5904\u7406\u5668\u7fa4\uff0c\u6bcf\u4e2a\u5904\u7406\u5668\u7fa4\u90fd\u6709\u72ec\u7acb\u7684 ISA \u548c\u5185\u5b58\u4e00\u81f4\u6027\u57df\u3002\u4e3a\u4e86\u80fd\u5728\u5f02\u6784\u7cfb\u7edf\u4e2d\u900f\u660e\u9ad8\u6548<\/strong>\u5730\u6267\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f5c\u8005\u63d0\u51fa\u4e86\u5728\u4e0d\u540c\u5904\u7406\u5668\u7fa4\u4e4b\u95f4\u63d0\u4f9b\u5171\u4eab\u5185\u5b58<\/strong>\uff0c\u5e76\u5229\u7528 ISA \u7684\u591a\u6837\u6027\uff0c\u5c06\u4e0d\u540c\u4ee3\u7801\u5757\u5206\u914d\u5230\u6700<\/strong>\u9002\u5408\u7684\u5904\u7406\u5668\u7fa4\u4e2d\u8fd0\u884c\u3002<\/p>\n

    \n

    \u8be5\u8bba\u6587\u4e3b\u8981\u63a2\u8ba8 Xeon – Xeon Phi \u5f02\u6784\u5e73\u53f0\u3002\u4e24\u4e2a\u67b6\u6784\u4e4b\u95f4\u7684\u5dee\u8ddd\u8d8a\u5927\uff0c\u5c31\u9700\u8981\u5b8c\u6210\u66f4\u591a\u7684\u5de5\u4f5c\u4f7f\u5e94\u7528\u53ef\u4ee5\u5728\u591a\u4e2a\u5904\u7406\u5668\u7fa4\u4e2d\u8fd0\u884c\u3002<\/p>\n<\/blockquote>\n

    2 \u52a8\u673a<\/h2>\n

    \u975e\u5171\u4eab\u5185\u5b58\u7684\u7f16\u7a0b\u8303\u5f0f\u9020\u6210\u4e86\u5f88\u5927\u7684\u9ebb\u70e6\uff0c\u9650\u5236\u4e86\u7a0b\u5e8f\u5458\u7684\u8868\u8fbe\u80fd\u529b\uff0c\u4ee5\u53ca\u7834\u574f\u4e86\u6bcf\u4e2a\u5e73\u53f0\u7684\u64cd\u4f5c\u7cfb\u7edf\u6a21\u578b\u3002\u76ee\u524d\u6709\u4e24\u79cd\u89e3\u51b3\u65b9\u6cd5\u6765\u652f\u6301\u591a\u64cd\u4f5c\u7cfb\u7edf\u7684\u5904\u7406\u5668\u7fa4\uff1a<\/p>\n

      \n
    1. \u5e94\u7528\u7a0b\u5e8f\u5206\u89e3\uff1a\u5e94\u7528\u7a0b\u5e8f\u88ab\u52a0\u8f7d\u5728\u4e00\u4e2a\u5904\u7406\u5668\u7fa4\u4e0a\uff0c\u6bcf\u5f53\u4e00\u4e2a\u4ee3\u7801\u5757\u88ab\u5206\u89e3\u65f6\uff0c\u8be5\u5757\u548c\u5b83\u6b63\u5728\u5de5\u4f5c\u7684\u6570\u636e\u88ab\u4f20\u8f93\u5230\u53e6\u4e00\u4e2a\u5904\u7406\u5668\u7fa4\u3002\u5206\u89e3\u7684\u8ba1\u7b97\u7531\u8fd0\u884c\u65f6\u548c\u7f16\u8bd1\u5668\u7f16\u8bd1\u6210\u5bf9\u5e94\u5904\u7406\u5668\u7fa4\u7684\u6307\u5b9a ISA\uff0c\u5e76\u548c\u5904\u7406\u5668\u7fa4\u7684\u5e94\u7528\u6574\u5408\u3002\u7a0b\u5e8f\u5458\u5fc5\u987b\u4eb2\u81ea\u5bf9\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u5206\u89e3\u548c\u51b3\u5b9a\u4ea4\u4e2a\u7ed9\u90a3\u4e2a\u5904\u7406\u5668\u7fa4\u6267\u884c\u3002\u5206\u89e3\u64cd\u4f5c\u7834\u574f\u4e86\u5171\u4eab\u5185\u5b58\u8303\u5f0f\uff0c\u5e76\u4e14\u989d\u5916\u589e\u52a0\u5bfb\u627e\u6700\u4f73\u4ee3\u7801\u5206\u89e3\u7684\u5de5\u4f5c\u3002<\/strong><\/li>\n
    2. \u5206\u5e03\u5f0f\u5185\u5b58\u7f16\u7a0b\u6a21\u578b\u548c\u5206\u533a\u5168\u5c40\u5730\u5740\u7a7a\u95f4\uff08PGAS\uff09\uff1a\u5982\u4eca\u5927\u591a\u6570\u5e94\u7528\u7a0b\u5e8f\u90fd\u4f7f\u7528\u7684\u5171\u4eab\u5185\u5b58\u7f16\u7a0b\u6a21\u578b\u3002\u91cd\u5199\u8fd9\u4e9b\u4ee3\u7801\uff08\u5927\u7ea6 44% \u7684\u4ee3\u7801\u90fd\u9700\u8981\u91cd\u5199\uff09\u7684\u5de5\u4f5c\u91cf\u662f\u6781\u5176\u7e41\u91cd\u7684\uff0c\u800c\u4e14\u5bb9\u6613\u72af\u9519\u3002<\/li>\n<\/ol>\n

      \u73b0\u6709\u65b9\u6cd5\u7684\u5c40\u9650\u6027\uff0c\u4fc3\u4f7f Popcorn \u7684\u60f3\u6cd5\u7684\u63d0\u51fa\uff0c\u89e3\u51b3\u5f02\u6784 ISA \u5e73\u53f0\u548c\u5f00\u53d1\u8005\u4e4b\u95f4\u7684\u9e3f\u6c9f\uff0c\u63d0\u9ad8\u751f\u4ea7\u529b\u3002Popcorn \u4f7f\u5f97\u4e3a\u540c\u6784 ISA \u591a\u5904\u7406\u5668\u7f16\u5199\u7684\u591a\u7ebf\u7a0b\u5171\u4eab\u5185\u5b58\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5728\u5f02\u6784 ISA \u7684\u5e73\u53f0\u4e0a\u8fd0\u884c\u3002\u540c\u65f6\uff0c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u900f\u660e\u5730\u63d0\u4f9b\u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58\uff08DSM\uff09\u3002<\/p>\n

      \n

      \u4ec0\u4e48\u662f DSM \uff1f<\/strong><\/p>\n

      \u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58\u63d0\u4f9b\u7ed9\u7a0b\u5e8f\u5458\u4e00\u4e2a\u903b\u8f91\u4e0a\u7edf\u4e00\u7684\u5730\u5740\u7a7a\u95f4\uff0c\u4efb\u4f55\u4e00\u53f0\u5904\u7406\u673a\u6216\u8282\u70b9\u90fd\u53ef\u4ee5\u5bf9\u8fd9\u4e00\u5730\u5740\u7a7a\u95f4\u76f4\u63a5\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u3002\u5177\u6709\u5206\u5e03\u5f0f\u5185\u5b58\u7ed3\u6784\u53ef\u6269\u5145\u6027\u7684\u4f18\u70b9\uff0c\u4e5f\u5177\u6709\u5171\u4eab\u5185\u5b58\u7ed3\u6784\u901a\u7528\u6027\u597d\u3001\u53ef\u79fb\u690d\u6027\u3001\u7f16\u7a0b\u5bb9\u6613\u7684\u4f18\u70b9\u3002<\/p>\n

      \"\u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58\u6a21\u578b\"<\/div>\n<\/p><\/blockquote>\n

      \u800c\u5bf9\u4e8e\u7f16\u8bd1\u5668\u6846\u67b6\uff0c\u73b0\u5728 Linux \u7684\u4e3b\u8981\u7f16\u7a0b\u65b9\u5f0f\u8fd8\u662f\u9488\u5bf9\u4e8e\u4e00\u4e2a\u7279\u5b9a\u7684 ISA\uff0c \u5e76\u5c06\u4ee3\u7801\u7f16\u7a0b\u8be5 ISA \u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u76ee\u524d\u5df2\u6709\u7684\u5f02\u6784\u7cfb\u7edf\u7684\u89e3\u51b3\u65b9\u5f0f\u662f\uff0c\u4f7f\u7528\u4e2d\u95f4\u8bed\u8a00<\/strong>\u548c\u5d4c\u5165\u5f0f\u76ee\u6807\u72ec\u7acb\uff08embedded target-independent\uff09\u7684\u7684\u4e2d\u95f4\u5f62\u5f0f<\/strong>\u3002Popcorn \u6ca1\u6709\u91c7\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u800c\u662f\u5355\u72ec\u63d0\u4f9b\u4e8c\u8fdb\u5236\u89e3\u51b3\u65b9\u6848<\/strong>\uff0c\u540c\u65f6\u652f\u6301\u591a\u79cd\u67b6\u6784\uff0c\u5e76\u5141\u8bb8\u5728\u7279\u5b9a\u8fc1\u79fb\u70b9\u5207\u6362\u67b6\u6784\u3002<\/p>\n

      \u8fd9\u7bc7\u8bba\u6587\u6709\u4ee5\u4e0b\u4e24\u4e2a\u521b\u65b0\u70b9\uff1a<\/p>\n

        \n
      • \u64cd\u4f5c\u7cfb\u7edf\uff1a\u7b2c\u4e00\u4e2a\u57fa\u4e8e Linux \u7684\uff0c\u5728\u5f02\u6784 ISA \u5e73\u53f0\u4e0a\u8fd0\u884c\u7684\u590d\u7528\u5185\u6838\u64cd\u4f5c\u7cfb\u7edf\u3002<\/li>\n
      • \u7f16\u8bd1\u5668\u6846\u67b6\uff1a\u8be5\u6846\u67b6\u53ef\u4ee5\u8f6c\u6362\u5171\u4eab\u5185\u5b58\u7a0b\u5e8f\uff0c\u4f7f\u5b83\u4eec\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u5904\u7406\u5668\u7fa4\u4e2d\u8fc1\u79fb\u548c\u6267\u884c\u3002<\/li>\n<\/ul>\n

        3 Popcorn \u67b6\u6784<\/h2>\n

        Popcorn \u7684\u76ee\u7684\u662f\u5728\u4e00\u4e2a\u9ad8\u8026\u5408\u591a\u6837\u7684\u5904\u7406\u5668\u7fa4\u4e2d\uff0c\u8868\u73b0\u51fa\u53ea\u6709\u4e00\u4e2a\u6267\u884c\u73af\u5883\u7684\u5047\u8c61\uff0c\u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u4e3a\u4ee3\u7801\u5757\u9009\u62e9\u6700\u9002\u5408\u7684\u5904\u7406\u5668\u7fa4\u8fdb\u884c\u6267\u884c\u3002Popcorn \u6709\u4ee5\u4e0b 3 \u4e2a\u8bbe\u8ba1\u539f\u5219\uff1a<\/p>\n

          \n
        1. \u900f\u660e\u7684\uff1a\u7528\u6237\u53ef\u4ee5\u5b8c\u6574\u7684\u770b\u5230\u5e76\u4f7f\u7528\u6574\u4e2a\u5e73\u53f0\u8d44\u6e90\u800c\u6ca1\u6709\u969c\u788d\uff0c\u4ece\u800c\u53ef\u4ee5\u4e13\u6ce8\u4e8e SMP \u7cfb\u7edf\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u903b\u8f91\u5b9e\u73b0\u3002<\/li>\n
        2. \u52a0\u8f7d\u5171\u4eab\uff1a\u4f7f\u7528\u6f5c\u5728\u7684\u591a\u67b6\u6784\u4ee3\u7801\uff0c\u4f7f\u5f97\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5728\u4efb\u610f\u5904\u7406\u5668\u7fa4\u4e0a\u6267\u884c\u3002<\/li>\n
        3. \u5229\u7528\u4e0d\u5bf9\u79f0\u6027<\/strong>\uff1a\u6211\u4eec\u5e94\u8be5\u5229\u7528\u6bcf\u4e2a\u5904\u7406\u5668\u672c\u5730\u8d44\u6e90\u4ee5\u53ca\u5904\u7406\u5668\u5fae\u67b6\u6784\u7684\u4e0d\u5bf9\u79f0\u6027\u3002<\/li>\n<\/ol>\n

          3.1 \u786c\u4ef6\u6a21\u578b<\/h3>\n

          Popcorn \u7684\u786c\u4ef6\u6a21\u578b\u5982\u56fe 1 \u4e0b\u65b9\u9ed1\u767d\u90e8\u5206\u6240\u793a\uff0c\u76ee\u7684\u662f\u4e3a\u4e86\u62bd\u8c61\u51fa\u73b0\u6709\u7684\u65b0\u5174\u7684\u786c\u4ef6\u3002<\/p>\n

          \"image-20240406125523007\"<\/div><\/p>\n

          Popcorn \u5047\u8bbe\u6bcf\u4e2a\u5904\u7406\u5668\u7fa4\u7684\u6bcf\u4e2a\u5904\u7406\u5668\u7684 ISA \u90fd\u662f\u540c\u4e00\u5bb6\u65cf\u7684 ISA<\/strong> \u3002\u6b63\u5982\u56fe 1 \u4e2d\u7684 ISA A\uff0cISA B\uff0cISA C \u6240\u793a\u3002\u6240\u6709\u7684\u5904\u7406\u5668\u7fa4\u90fd\u6709\u4e00\u4e2a\u5171\u4eab\u7684\uff0c\u6700\u7ec8\u4e00\u81f4\u7684\u5b58\u50a8\u5668\uff0c\u5982\u56fe 1 \u4e2d\u7684\u5185\u5b58 G \u6240\u793a\u3002\u6bcf\u4e2a\u5904\u7406\u5668\u7fa4\u4e5f\u53ef\u4ee5\u6709\u81ea\u5df1\u72ec\u7acb\u8bbf\u95ee\u7684\u5185\u5b58\uff0c\u5982\u56fe 1 \u4e2d\u7684\u5185\u5b58 A \u548c\u5185\u5b58 B \u6240\u793a\u3002\u5728\u56fe 1 \u4e2d\uff0c\u8bbe\u5907 X \u548c Y \u662f\u53ef\u4ee5\u88ab\u4efb\u610f\u5904\u7406\u5668\u8bbf\u95ee\u7684\uff0c\u800c\u8bbe\u5907 Z \u548c W \u5206\u522b\u53ea\u80fd\u88ab\u5904\u7406\u5668\u7fa4 B \u548c\u5904\u7406\u5668\u7fa4 C \u8bbf\u95ee\u3002<\/p>\n

          3.2 \u8f6f\u4ef6\u5c42\u6b21<\/h3>\n

          Popcorn \u7684\u8f6f\u4ef6\u5c42\u6b21\u5982\u56fe 1 \u4e0a\u65b9\u7684\u5f69\u8272\u90e8\u5206\u6240\u793a\uff0c\u5c06\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528 Popcorn \u7684\u7f16\u8bd1\u6846\u67b6\u8fdb\u884c\u7f16\u8bd1\uff0c\u5e76\u5728 Popcorn \u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u3002<\/p>\n

          3.3 \u64cd\u4f5c\u7cfb\u7edf\u67b6\u6784<\/h3>\n

          \u64cd\u4f5c\u7cfb\u7edf\u7531\u591a\u4e2a\u4e0d\u540c\u5185\u6838\u6784\u6210\u3002\u6bcf\u4e2a\u5185\u6838\u90fd\u6709\u4e0e\u4e4b\u76f8\u5e94\u7684\u67b6\u6784\u548c\u5904\u7406\u5668\u7fa4\uff0c\u540c\u6837\u5982\u56fe 1 \u6240\u793a\u3002\u5185\u6838\u7ed9\u5e94\u7528\u7a0b\u5e8f\u4e00\u4e2a\u5047\u8c61\uff0c\u5c31\u662f\u5728\u8fd9\u4e9b\u4e0d\u540c\u7684\u5904\u7406\u5668\u7fa4\u4e0a\u53ea\u6709\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\uff0c\u800c\u4e14\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5728\u8fd9\u4e9b\u5904\u7406\u5668\u7fa4\u4e4b\u95f4\u8fc1\u79fb\u6267\u884c\u5e76\u4e14\u5171\u4eab\u786c\u4ef6\u8d44\u6e90\u3002\u5982\u679c\u5185\u6838\u4e4b\u95f4\u6ca1\u6709\u786c\u4ef6\u7f13\u5b58\u4e00\u81f4\u5171\u4eab\u5185\u5b58\uff0cPopcorn \u5c31\u63d0\u4f9b\u4e86\u8f6f\u4ef6\u7684\u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58<\/strong>\uff0c\u8fd9\u6837\uff0c\u57fa\u4e8e\u591a\u7ebf\u7a0b\u7684\u5171\u4eab\u5185\u5b58\u5e94\u7528\u4e5f\u53ef\u4ee5\u5de5\u4f5c\u3002<\/p>\n

          Popcorn \u63d0\u4f9b\u4e86\u4e00\u4e2a\u901a\u4fe1\u5c42\uff08communication layer\uff09\uff0c\u5c06\u4e0d\u540c ISA \u7684\u5185\u6838\u8fde\u63a5\u5728\u4e00\u8d77\u3002\u5982\u56fe 2 \u6240\u793a\uff1a<\/p>\n

          \"image-20240406144328538\"<\/div><\/p>\n

          \u56fe 2 \u4e2d\u5c55\u793a\u7684 Popcorn \u7684\u670d\u52a1\u5c42\uff08services\uff09\u548c\u547d\u540d\u7a7a\u95f4\u5c42\uff08namespace\uff09\uff0c\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u5728\u591a\u4e2a\u5185\u6838\u6267\u884c\u521b\u9020\u4e86\u4e00\u4e2a\u73af\u5883\uff0c\u4e5f\u4f7f\u5f97\u5e94\u7528\u7a0b\u5e8f\u8ba4\u4e3a\uff0c\u4ed6\u4eec\u662f\u5728\u4e00\u4e2a\u5bf9\u79f0\u591a\u5904\u7406\u5668\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u6267\u884c\u7684\u3002\u5f53\u5e94\u7528\u7a0b\u5e8f\u5728\u591a\u5185\u6838\u4e4b\u95f4\u6267\u884c\u7684\u65f6\u5019\uff0c\u7a0b\u5e8f\u7684\u72b6\u6001\u4f1a\u88ab\u590d\u5236\u8fc1\u79fb<\/strong>\uff0c\u4ee5\u4fdd\u8bc1\u4e00\u81f4\u6027\u3002<\/p>\n

          3.4 \u7f16\u8bd1\u5668\u652f\u6301<\/h3>\n

          Popcorn \u7684\u7f16\u8bd1\u5668\u6846\u67b6\u5c06\u5e94\u7528\u7a0b\u5e8f\u7684\u6e90\u4ee3\u7801\u4f5c\u4e3a\u8f93\u5165\uff0c\u7ecf\u8fc7\u4e00\u7cfb\u5217\u79bb\u7ebf\u5206\u6790\u548c\u5206\u6790\uff0c\u7ed3\u5408\u9884\u5148\u6784\u5efa\u7684\u786c\u4ef6\u5e73\u53f0\u77e5\u8bc6\uff0c\u751f\u6210\u53ef\u4ee5\u5728 Popcorn \u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u7684\u591a ISA \u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u7f16\u8bd1\u5668\u9700\u8981\u6ee1\u8db3\u4ee5\u4e0b\u4e24\u70b9\u9700\u6c42\uff1a<\/p>\n

            \n
          • \u751f\u6210\u53ef\u4ee5\u5728\u5f02\u6784\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u6267\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n
          • \u80fd\u5728\u590d\u5236\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u5229\u7528\u6700\u4f73\u7684\u5e94\u7528\u7a0b\u5e8f\u5de5\u4f5c\u8d1f\u8f7d\u5212\u5206\u3002<\/li>\n<\/ul>\n

            Popcorn \u5355\u72ec\u63d0\u4f9b\u4e8c\u8fdb\u5236\u89e3\u51b3\u65b9\u6848<\/strong>\uff0c\u540c\u65f6\u652f\u6301\u591a\u79cd\u67b6\u6784\uff0c\u5e76\u5141\u8bb8\u5728\u7279\u5b9a\u8fc1\u79fb\u70b9\u5207\u6362\u67b6\u6784\u3002\u8be5\u5904\u7406\u5668\u6846\u67b6\u4f1a\u9009\u62e9\u5728\u8fc1\u79fb\u65f6\u6709\u53ef\u80fd\u63d0\u5347\u6027\u80fd\u7684\u4ee3\u7801\u5757\uff0c\u5e76\u4e14\u63d2\u5165\u4ee3\u7801\u6765\u4e0e\u5185\u6838\u4ea4\u4e92\uff0c\u4ee5\u4fbf\u5728\u90a3\u65f6\u9009\u62e9\u6027\u5730\u6267\u884c\u8de8\u67b6\u6784\u7684\u8fc1\u79fb\u3002<\/p>\n

            4 Popcorn \u7684\u5b9e\u73b0<\/h2>\n

            Popcorn \u5728 Xeon – Xeon Phi \u7684\u5f02\u6784 SoC \u4e0a\u5b9e\u73b0\u7684\u3002<\/p>\n

            4.1 \u64cd\u4f5c\u7cfb\u7edf<\/h3>\n

            \u590d\u7528\u73b0\u6709\u7684\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u5206\u522b\u90e8\u7f72\u5728 Xeon \u548c Xeon Phi \u7684\u6838\u4e0a\u3002\u4e4b\u6240\u4ee5\u76f4\u63a5\u590d\u7528\u73b0\u6709\u7684\u6838\uff0c\u662f\u60f3\u8ba9\u603b\u591a\u73b0\u6709\u7684\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5728 Popcorn \u4e0a\u6267\u884c\u3002<\/p>\n

            4.1.1 \u6d88\u606f\u67b6\u6784<\/h4>\n

            Popcorn \u63d0\u4f9b\u4e86\u5185\u6838\u7ea7\u3001\u53ef\u63d2\u62d4\u7684\u3001\u4f4e\u5ef6\u8fdf\u7684\u5185\u6838\u6d88\u606f\u5c42\u3002\u4f7f\u7528 MPSS \u7684 SCIF \u5b8c\u6210 Xeon \u548c Xeon Phi \u6838\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n

            4.1.2 \u547d\u540d\u7a7a\u95f4<\/h4>\n

            Linux \u63d0\u4f9b\u547d\u540d\u7a7a\u95f4\u662f\u4e3a\u4e86\u8fbe\u5230\u63d0\u4f9b\u8f7b\u91cf\u865a\u62df\u5316\u7684\u6548\u679c\u3002Popcorn \u5bf9\u6b64\u8fdb\u884c\u4e86\u91cd\u65b0\u8bbe\u8ba1\uff0c\u4ee5\u8fbe\u5230\u5728\u6bcf\u4e2a\u5185\u6838\u4e2d\uff0c\u90fd\u53ef\u4ee5\u770b\u5230\u6240\u6709\u53ef\u4ee5\u5229\u7528\u7684\u8d44\u6e90\u3002<\/p>\n

            4.1.3 \u4efb\u52a1\u8fc1\u79fb<\/h4>\n

            Popcorn \u5728 Linux \u5185\u6838\u5185\u90e8\u5f15\u5165\u4e86\u7528\u6237\u7a7a\u95f4\u7684\u8fc1\u79fb\u4efb\u52a1\u3002\u4e3a\u4e86\u4f7f\u4efb\u52a1\u7684\u8fc1\u79fb\u66f4\u52a0\u7684\u9ad8\u6548\uff0cPopcorn \u5728\u6bcf\u4e2a\u5185\u6838\u4e0a\u5b9e\u73b0\u4e86\u4e00\u4e2a\u865a\u8bbe\u7684\u4efb\u52a1\u6c60\u3002\u5f53\u6709\u4efb\u52a1\u8fc1\u79fb\u53d1\u751f\u65f6\uff0c\u5c31\u5c06\u5728\u865a\u8bbe\u7684\u4efb\u52a1\u6c60\u4e2d\u7761\u7720\u7684\u4efb\u52a1\u5524\u9192\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u63d0\u9ad8\u8fc1\u79fb\u7684\u6548\u7387\u3002<\/p>\n

            4.1.4 \u4e00\u81f4\u6027\u670d\u52a1<\/h4>\n

            Popcorn \u4f7f\u7528\u9875\u9762\u590d\u5236\u7b97\u6cd5\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u7b97\u6cd5\u3001\u5feb\u901f\u7528\u6237\u9501\uff08Futex\uff09\u7b97\u6cd5\u6765\u63d0\u4f9b\u4e00\u81f4\u6027\u670d\u52a1\u3002<\/p>\n

            \n

            Futex<\/strong><\/p>\n

            futex\uff08\u5feb\u901f\u7528\u6237\u533a\u4e92\u65a5\u7684\u7b80\u79f0\uff09\u662f\u4e00\u4e2a\u5728Linux\u4e0a\u5b9e\u73b0\u9501\u5b9a\u548c\u6784\u5efa\u9ad8\u7ea7\u62bd\u8c61\u9501\u5982\u4fe1\u53f7\u91cf\u548cPOSIX\u4e92\u65a5\u7684\u57fa\u672c\u5de5\u5177\u3002<\/p>\n

            Futex \u7531\u4e00\u5757\u80fd\u591f\u88ab\u591a\u4e2a\u8fdb\u7a0b\u5171\u4eab\u7684\u5185\u5b58\u7a7a\u95f4\uff08\u4e00\u4e2a\u5bf9\u9f50\u540e\u7684\u6574\u578b\u53d8\u91cf\uff09\u7ec4\u6210\uff1b\u8fd9\u4e2a\u6574\u578b\u53d8\u91cf\u7684\u503c\u80fd\u591f\u901a\u8fc7\u6c47\u7f16\u8bed\u8a00\u8c03\u7528CPU\u63d0\u4f9b\u7684\u539f\u5b50\u64cd\u4f5c\u6307\u4ee4\u6765\u589e\u52a0\u6216\u51cf\u5c11\uff0c\u5e76\u4e14\u4e00\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u7b49\u5f85\u76f4\u5230\u90a3\u4e2a\u503c\u53d8\u6210\u6b63\u6570\u3002Futex \u7684\u64cd\u4f5c\u51e0\u4e4e\u5168\u90e8\u5728\u7528\u6237\u7a7a\u95f4\u5b8c\u6210\uff1b\u53ea\u6709\u5f53\u64cd\u4f5c\u7ed3\u679c\u4e0d\u4e00\u81f4\u4ece\u800c\u9700\u8981\u4ef2\u88c1\u65f6\uff0c\u624d\u9700\u8981\u8fdb\u5165\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u7a7a\u95f4\u6267\u884c\u3002\u8fd9\u79cd\u673a\u5236\u5141\u8bb8\u4f7f\u7528 futex \u7684\u9501\u5b9a\u539f\u8bed\u6709\u975e\u5e38\u9ad8\u7684\u6267\u884c\u6548\u7387\uff1a\u7531\u4e8e\u7edd\u5927\u591a\u6570\u7684\u64cd\u4f5c\u5e76\u4e0d\u9700\u8981\u5728\u591a\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u8fdb\u884c\u4ef2\u88c1\uff0c\u6240\u4ee5\u7edd\u5927\u591a\u6570\u64cd\u4f5c\u90fd\u53ef\u4ee5\u5728\u5e94\u7528\u7a0b\u5e8f\u7a7a\u95f4\u6267\u884c\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528\uff08\u76f8\u5bf9\u9ad8\u4ee3\u4ef7\u7684\uff09\u5185\u6838\u7cfb\u7edf\u8c03\u7528\u3002<\/p>\n<\/blockquote>\n

            4.2 \u7f16\u8bd1\u5668\u67b6\u6784<\/h3>\n

            \u7f16\u8bd1\u5668\u4f1a\u9009\u62e9\u5728\u51fd\u6570\u8c03\u7528\u4e4b\u95f4\u8fdb\u884c\u67b6\u6784\u8fc1\u79fb\u3002\u4fee\u6539\u4ee3\u7801\u53ea\u4f1a\u4fee\u6539\u80fd\u88ab\u4fee\u6539\u7684\u4ee3\u7801\u7684\u90e8\u5206\u800c\u4e0d\u4f1a\u53bb\u4fee\u6539\u4e0d\u80fd\u4fee\u6539\u7684\u4ee3\u7801\u90e8\u5206\u3002<\/p>\n

            \u4e3a\u4e86\u8ba9\u7f16\u8bd1\u5668\u5bfb\u627e\u6700\u5408\u9002\u7684\u5212\u5206\u5757\uff0cPopcorn \u63d0\u51fa\u4e86\u4e00\u4e2a\u6d88\u8d39\u6a21\u578b\uff08Cost Model\uff09\u3002\u8bba\u6587\u4e3e\u51fa\u7684\u4e00\u4e2a\u4f8b\u5b50\u5982\u4e0b\uff1a<\/p>\n

            \"image-20240415220149193\"<\/div><\/p>\n

            \u56fe\uff08a\uff09\u4e2d\u8868\u793a\u4e00\u4e2a\u7a0b\u5e8f\u529f\u80fd\u4e4b\u95f4\u7684\u8c03\u7528\u5173\u7cfb\uff1b\u56fe\uff08b\uff09\u8868\u793a\u5728\u51fd\u6570\u8c03\u7528\u4e4b\u95f4\u5982\u679c\u53d1\u751f\u4e86\u67b6\u6784\u8fc1\u79fb\uff0c\u6570\u636e\u590d\u5236\u6240\u4ea7\u751f\u7684\u6d88\u8017\uff0c\u7ebf\u8d8a\u7c97\uff0c\u8868\u793a\u590d\u5236\u6240\u4ea7\u751f\u7684\u6d88\u8017\u7ea6\u5927\u3002<\/p>\n

            \u56fe\uff08c\uff09\u548c\u56fe\uff08d\uff09\u5206\u522b\u8868\u793a\u6bcf\u4e2a\u51fd\u6570\u5bf9 Xeon \u67b6\u6784\u4ee5\u53ca\u5bf9 Xeon Phi \u67b6\u6784\u7684\u4eb2\u548c\u5ea6\uff0c\u7ebf\u8d8a\u7c97\uff0c\u8868\u793a\u4eb2\u548c\u5ea6\u5c31\u8d8a\u9ad8\u3002\u5982\u679c\u5728\u4eb2\u548c\u5ea6\u9ad8\u4e4b\u95f4\u53d1\u751f\u4e86\u67b6\u6784\u8fc1\u79fb\uff0c\u6240\u4ea7\u751f\u7684\u5f00\u9500\u662f\u975e\u5e38\u5927\u7684\u3002<\/p>\n

            \u524d\u9762\u56db\u4e2a\u56fe\u7ed3\u5408\u8d77\u6765\u5c31\u4ea7\u751f\u4e86\u56fe\uff08e\uff09\uff0c\u4e00\u4e2a\u5f00\u9500\u56fe\u3002\u73b0\u5728\u5c31\u662f\u9700\u8981\u5bf9\u8fd9\u4e2a\u56fe\u8fdb\u884c\u5212\u5206\uff0c\u4f7f\u5f97\u5212\u5206\u7684\u4e0d\u540c\u533a\u57df\u4e4b\u95f4\u7684\u5f00\u9500\u548c\u6700\u5c0f\u3002\u8fd9\u4e2a\u95ee\u9898\u5c31\u6f14\u53d8\u6210\u4e86\u6700\u5c0f\u5272\u95ee\u9898\u4e86\u3002<\/p>\n

            \n

            \u6700\u5c0f\u5272<\/strong><\/p>\n

            \u5728\u56fe\u8bba\u4e2d\uff0c\u53bb\u6389\u5176\u4e2d\u6240\u6709\u8fb9\u80fd\u4f7f\u4e00\u5f20\u7f51\u7edc\u6d41\u56fe\u4e0d\u518d\u8fde\u901a\uff08\u5373\u5206\u6210\u4e24\u4e2a\u5b50\u56fe\uff09\u7684\u8fb9\u96c6\u79f0\u4e3a\u56fe\u7684\u5272\uff08\u82f1\u8bed\uff1acut\uff09\uff0c\u4e00\u5f20\u56fe\u4e0a\u6700\u5c0f\u7684\u5272\u79f0\u4e3a\u6700\u5c0f\u5272\uff08\u82f1\u8bed\uff1aminimum cut\u6216min-cut\uff09\u3002\u4e0e\u6700\u5c0f\u5272\u76f8\u5173\u7684\u95ee\u9898\u79f0\u6700\u5c0f\u5272\u95ee\u9898\uff08\u82f1\u8bed\uff1aminimum cut problem\u6216min-cut problem\uff09\uff0c\u5176\u53d8\u4f53\u5305\u62ec\u5e26\u8fb9\u6743\u3001\u6709\u5411\u56fe\u3001\u5305\u542b\u6e90\u70b9\u4e0e\u6c47\u70b9\uff08\u7b80\u79f0\u6709\u6e90\u6c47\uff09\uff0c\u4ee5\u53ca\u5c06\u539f\u7f51\u7edc\u5206\u4e3a\u591a\u4e8e\u4e24\u4e2a\u5b50\u56fe\u7b49\u95ee\u9898\u3002\u5176\u4e2d\uff0c\u5e26\u8fb9\u6743\u7684\u6700\u5c0f\u5272\u95ee\u9898\u5141\u8bb8\u6709\u8d1f\u6743\u8fb9\uff0c\u53ef\u901a\u8fc7\u5bf9\u6240\u6709\u8fb9\u6743\u53d6\u76f8\u53cd\u6570\u7b80\u5355\u5730\u8f6c\u5316\u4e3a\u6700\u5927\u6d41\u95ee\u9898\u6c42\u89e3\u3002<\/p>\n<\/blockquote>\n

            \u53c2\u8003\u6587\u732e<\/h2>\n

            Popcorn: bridging the programmability gap in heterogeneous-ISA platforms<\/a><\/p>\n

            \u7528 MPI \u8fdb\u884c\u5206\u5e03\u5f0f\u5185\u5b58\u7f16\u7a0b<\/a><\/p>\n

            \u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58<\/a><\/p>\n

            Futex<\/a><\/p>\n

            \u6700\u5c0f\u5272<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

            Popcorn: bridging the programmability gap in heterogeneous-ISA platforms \u8bba\u6587\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-145","post","type-post","status-publish","format-standard","hentry","category-paper"],"_links":{"self":[{"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/posts\/145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/comments?post=145"}],"version-history":[{"count":0,"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/posts\/145\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/media?parent=145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/categories?post=145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yewpo.top\/index.php\/wp-json\/wp\/v2\/tags?post=145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}