{"id":68470,"date":"2026-01-30T06:09:45","date_gmt":"2026-01-29T22:09:45","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/68470.html"},"modified":"2026-01-30T06:09:45","modified_gmt":"2026-01-29T22:09:45","slug":"ai-%e5%a4%a7%e8%af%ad%e8%a8%80%e6%a8%a1%e5%9e%8bllm-transformer%e6%9e%b6%e6%9e%844-%e5%a4%9a%e5%a4%b4%e6%b3%a8%e6%84%8f%e5%8a%9b%e3%80%81%e6%8e%a9%e7%a0%81%e6%b3%a8%e6%84%8f%e5%8a%9b%e3%80%81%e4%ba%a4","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/68470.html","title":{"rendered":"AI-\u5927\u8bed\u8a00\u6a21\u578bLLM-Transformer\u67b6\u67844-\u591a\u5934\u6ce8\u610f\u529b\u3001\u63a9\u7801\u6ce8\u610f\u529b\u3001\u4ea4\u53c9\u6ce8\u610f\u529b"},"content":{"rendered":"

\u76ee\u7684<\/h2>\n

\u4e3a\u907f\u514d\u4e00\u5b66\u5c31\u4f1a\u3001\u4e00\u7528\u5c31\u5e9f，\u8fd9\u91cc\u505a\u4e0b\u7b14\u8bb0<\/p>\n

\u8bf4\u660e<\/h2>\n
  • \u672c\u6587\u5185\u5bb9\u7d27\u627f\u524d\u6587-Transformer\u67b6\u67841-\u6574\u4f53\u4ecb\u7ecd\u3001Transformer\u67b6\u67842-\u81ea\u6ce8\u610f\u529b\u3001Transformer\u67b6\u67843-\u5d4c\u5165\u548c\u4f4d\u7f6e\u7f16\u7801，\u6b32\u6e10\u8fdb，\u8bf7\u5faa\u5e8f<\/li>\n
  • \u672c\u6587\u91cd\u70b9\u4ecb\u7ecdTransformer\u67b6\u6784\u4e2d\u7684\u591a\u79cd\u6ce8\u610f\u529b，\u5b83\u4eec\u5728\u7f16\u7801\u5668\u5806\u6808\u548c\u89e3\u7801\u5668\u5806\u6808\u4e2d\u90fd\u6709\u7528\u5230 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/li>\n

    \u6982\u8ff0<\/h2>\n

    \u5728\u524d\u6587Transformer\u67b6\u67842-\u81ea\u6ce8\u610f\u529b\u4e2d，\u8bb2\u5230\u4e0a\u56fe\u4e2d\u76841\u53f7\u30012\u53f7\u6ce8\u610f\u529b\u90fd\u662f\u81ea\u6ce8\u610f\u529b，\u800c\u5728\u8be6\u7ec6\u67b6\u6784\u56fe\u4e2d，\u4ed6\u4eec\u53c8\u88ab\u63cf\u8ff0\u4e3a\u591a\u5934\u6ce8\u610f\u529b\u3001\u63a9\u7801\u6ce8\u610f\u529b\u7b49\u3002\u8bf8\u591a\u6982\u5ff5\u5bb9\u6613\u8ba9\u4eba\u6df7\u6dc6，\u5fc5\u987b\u6f84\u6e05：\u8fd9\u4e9b\u6ce8\u610f\u529b\u7684\u7c7b\u578b\u5e76\u975e\u4e92\u65a5，\u4ed6\u4eec\u53ea\u662f\u4ece\u4e0d\u540c\u7684\u89d2\u5ea6\u5bf9\u6ce8\u610f\u529b\u673a\u5236\u8fdb\u884c\u7684\u5206\u7c7b<\/p>\n

      \n
    • \n

      \u6309Q\u3001K\u3001V\u7684\u4e0d\u540c\u6765\u6e90\u5206\u7c7b：<\/p>\n

        \n
      • \u81ea\u6ce8\u610f\u529b：Q\u3001K\u3001V\u6765\u81ea\u540c\u4e00\u4e2a\u5e8f\u5217<\/li>\n
      • \u4ea4\u53c9\u6ce8\u610f\u529b：Q\u3001K\u3001V\u6765\u81ea\u4e0d\u540c\u7684\u5e8f\u5217，\u4e0a\u56fe3\u53f7\u7f16\u7801\u5668-\u89e3\u7801\u5668\u6ce8\u610f\u529b\u662f\u4e00\u79cd\u5177\u4f53\u7684\u4ea4\u53c9\u6ce8\u610f\u529b，\u5b83\u7684Q\u6765\u81ea\u89e3\u7801\u5668（\u7684\u8f93\u51fa\u5e8f\u5217），K\u3001V\u6765\u81ea\u7f16\u7801\u5668（\u7684\u8f93\u51fa\u5e8f\u5217）<\/li>\n<\/ul>\n<\/li>\n
      • \n

        \u6309Q\u3001K\u3001V\u7684\u6570\u91cf\u5206\u7c7b<\/p>\n

          \n
        • \u591a\u5934\u6ce8\u610f\u529b：\u5c06 Q\u3001K\u3001V \u6295\u5f71\u5230\u591a\u4e2a\u5b50\u7a7a\u95f4，\u5e76\u884c\u8ba1\u7b97\u591a\u4e2a\u6ce8\u610f\u529b，\u7136\u540e\u62fc\u63a5<\/li>\n
        • \u5355\u5934\u6ce8\u610f\u529b：\u53ea\u6709\u4e00\u4e2a\u6ce8\u610f\u529b\u5934，\u5373\u53ea\u6709\u4e00\u7ec4Q\u3001K\u3001V<\/li>\n<\/ul>\n<\/li>\n
        • \n

          \u6309\u4fe1\u606f\u53ef\u89c1\u6027\u8fdb\u884c\u5206\u7c7b<\/p>\n

            \n
          • \u63a9\u7801\u6ce8\u610f\u529b：\u901a\u8fc7\u63a9\u7801\u77e9\u9635\u9650\u5236\u67d0\u4e9b token \u5bf9\u4e4b\u95f4\u7684\u6ce8\u610f\u529b\u6743\u91cd（\u901a\u5e38\u8bbe\u4e3a -\u221e），\u4f7f\u5176\u5728 softmax \u540e\u63a5\u8fd1 0\u3002\u76ee\u7684\u662f\u63a7\u5236\u4fe1\u606f\u6d41\u52a8，\u9632\u6b62\u4fe1\u606f\u6cc4\u6f0f\u3002\u67b6\u6784\u56fe\u4e2d，2\u53f7\u6ce8\u610f\u529b\u662f\u63a9\u7801\u6ce8\u610f\u529b\u7684\u4e00\u4e2a\u5b50\u7c7b-\u56e0\u679c\u63a9\u7801\u6ce8\u610f\u529b，\u5b83\u53ea\u80fd\u770b\u5230\u5f53\u524d\u53ca\u4e4b\u524d\u7684 token（\u56e0\u4e3a\u89e3\u7801\u5668\u4e0b\u4e00\u523b\u7684\u8f93\u51fa\u8fd8\u4e0d\u77e5\u9053）<\/li>\n
          • \u975e\u63a9\u7801\u6ce8\u610f\u529b：\u6240\u6709 token \u5bf9\u4e4b\u95f4\u90fd\u53ef\u4ee5\u81ea\u7531\u8ba1\u7b97\u6ce8\u610f\u529b，\u65e0\u8bbf\u95ee\u9650\u5236\u3002\u5982\u4e0a\u56fe\u4e2d1\u53f7\u548c3\u53f7\u90fd\u662f\u975e\u63a9\u7801\u6ce8\u610f\u529b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            \u6309\u7167\u4e0a\u8ff0\u8bf4\u660e，\u4e0a\u56fe1-3\u53f7\u6ce8\u610f\u529b\u8be6\u7ec6\u5206\u7c7b\u5982\u4e0b：<\/p>\n

          • 1\u53f7\u6ce8\u610f\u529b，\u5c5e\u4e8e\u591a\u5934\u6ce8\u610f\u529b\u3001\u81ea\u6ce8\u610f\u529b\u3001\u975e\u63a9\u7801\u6ce8\u610f\u529b<\/li>\n
          • 2\u53f7\u6ce8\u610f\u529b，\u5c5e\u4e8e\u591a\u5934\u6ce8\u610f\u529b\u3001\u81ea\u6ce8\u610f\u529b\u3001\u63a9\u7801\u6ce8\u610f\u529b<\/li>\n
          • 3\u53f7\u6ce8\u610f\u529b，\u5c5e\u4e8e\u591a\u5934\u6ce8\u610f\u529b\u3001\u4ea4\u53c9\u6ce8\u610f\u529b\u3001\u975e\u63a9\u7801\u6ce8\u610f\u529b<\/li>\n

            \u591a\u5934\u6ce8\u610f\u529b\u8be6\u89e3<\/h2>\n

            \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

            \u4ec0\u4e48\u662f\u591a\u5934\u6ce8\u610f\u529b<\/h3>\n

            \u4ece\u672c\u8d28\u4e0a\u770b：\u591a\u5934\u6ce8\u610f\u529b\u662f\u4e00\u79cd\u5c06\u4fe1\u606f\u7684\u8868\u793a\u7a7a\u95f4\u8fdb\u884c\u5206\u89e3\u7684\u6ce8\u610f\u529b\u3002 \u5b83\u5c06\u4e00\u4e2a\u6807\u51c6\u7684\u6ce8\u610f\u529b\u8fc7\u7a0b\u5206\u89e3\u4e3a\u591a\u4e2a\u5e76\u884c\u7684"\u5934"，\u6bcf\u4e2a\u5934\u5728\u4e0d\u540c\u7684\u8868\u793a\u5b50\u7a7a\u95f4\u4e2d\u5b66\u4e60\u4e0d\u540c\u7684\u6ce8\u610f\u529b\u6a21\u5f0f，\u6700\u540e\u5c06\u6240\u6709\u5934\u7684\u8f93\u51fa\u62fc\u63a5\u5e76\u7ebf\u6027\u53d8\u6362\u3002 \u4ece\u5f62\u5f0f\u4e0a\u770b：\u591a\u5934\u6ce8\u610f\u529b\u4f7f\u7528\u591a\u7ec4<\/p>\n

            W<\/p>\n

            Q<\/p>\n

            W^Q<\/p>\n

            <\/span><\/span>W<\/span><\/span>Q<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u3001<\/p>\n

            W<\/p>\n

            K<\/p>\n

            W^K<\/p>\n

            <\/span><\/span>W<\/span><\/span>K<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u3001<\/p>\n

            W<\/p>\n

            V<\/p>\n

            W^V<\/p>\n

            <\/span><\/span>W<\/span><\/span>V<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u77e9\u9635，\u6807\u51c6\u5355\u5934\u6ce8\u610f\u529b\u5219\u4ec5\u4f7f\u7528\u4e00\u7ec4\u3002<\/p>\n

            \u591a\u5934\u6ce8\u610f\u529b\u7684\u6bcf\u4e2a\u5934\u662f\u4ec0\u4e48<\/h3>\n

            \u6bcf\u4e2a"\u5934"\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u6ce8\u610f\u529b\u8ba1\u7b97\u5355\u5143，\u5305\u542b\u4e09\u4e2a\u5173\u952e\u90e8\u5206：<\/p>\n

            1. \u72ec\u7acb\u7684\u53c2\u6570\u6295\u5f71Q\u3001K\u3001V<\/h4>\n

            2. \u72ec\u7acb\u7684\u6ce8\u610f\u529b\u8ba1\u7b97\u8fc7\u7a0b:<\/h4>\n

            head_i =<\/span> Attention(<\/span>head_i_Q,<\/span> head_i_K,<\/span> head_i_V)<\/span><\/p>\n

              \n
            • \u6bcf\u4e2a\u5934\u5728\u81ea\u5df1\u7684\u5b50\u7a7a\u95f4\u4e2d\u8ba1\u7b97\u6ce8\u610f\u529b\u6743\u91cd<\/li>\n
            • \u8ba1\u7b97\u516c\u5f0f\u76f8\u540c：\n

              s<\/p>\n

              o<\/p>\n

              f<\/p>\n

              t<\/p>\n

              m<\/p>\n

              a<\/p>\n

              x<\/p>\n

              (<\/p>\n

              Q<\/p>\n

              K<\/p>\n

              T<\/p>\n

              \/<\/p>\n

              \u221a<\/p>\n

              d<\/p>\n

              k<\/p>\n

              )<\/p>\n

              V<\/p>\n

              softmax(QK\u1d40\/\u221ad_k)V<\/p>\n

              <\/span><\/span>so<\/span>f<\/span>t<\/span>ma<\/span>x<\/span>(<\/span>Q<\/span>K<\/span><\/span>T<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\/\u221a<\/span>d<\/span><\/span>k<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span>V<\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n

              3. \u72ec\u7acb\u7684\u4fe1\u606f\u805a\u7126：<\/h4>\n

              \u4e0d\u540c\u7684\u5934\u53ef\u80fd\u4f1a\u81ea\u53d1\u5730\u5b66\u4e60\u5173\u6ce8\u4e0d\u540c\u7c7b\u578b\u7684\u4fe1\u606f：<\/p>\n

                \n
              • \u59341：\u53ef\u80fd\u5173\u6ce8\u8bed\u6cd5\u7ed3\u6784（\u5982\u4e3b\u8c13\u5173\u7cfb）<\/li>\n
              • \u59342：\u53ef\u80fd\u5173\u6ce8\u8bed\u4e49\u89d2\u8272（\u5982\u65bd\u4e8b\u3001\u53d7\u4e8b）<\/li>\n
              • \u59343：\u53ef\u80fd\u5173\u6ce8\u957f\u8ddd\u79bb\u4f9d\u8d56<\/li>\n
              • \u59344：\u53ef\u80fd\u5173\u6ce8\u5c40\u90e8\u77ed\u8bed\u7ed3\u6784<\/li>\n<\/ul>\n

                \u793a\u4f8b（\u7ffb\u8bd1\u4efb\u52a1：\u201cThe animal didn\u2019t cross the street because it was too tired\u201d）：<\/p>\n

                \u59341\u5173\u6ce8 "it" \u2192 "animal" （\u6307\u4ee3\u5173\u7cfb）
                \n\u59342\u5173\u6ce8 "didn't" \u2192 "cross" （\u5426\u5b9a\u4fee\u9970）
                \n\u59343\u5173\u6ce8 "cross" \u2192 "street" （\u52a8\u5bbe\u5173\u7cfb）
                \n\u59344\u5173\u6ce8 "tired" \u2192 "animal" （\u5c5e\u6027\u63cf\u8ff0）<\/p>\n

                \u591a\u5934\u6ce8\u610f\u529b\u7684\u4f18\u7f3a\u70b9<\/h3>\n\n\u65b9\u9762\u4f18\u70b9\u7f3a\u70b9<\/tr>\n\n\n\n\n\n\n\n\n
                🎯 \u8868\u793a\u80fd\u529b<\/td>\n1. \u591a\u89c6\u89d2\u5b66\u4e60：\u540c\u65f6\u6355\u6349\u8bed\u6cd5\u3001\u8bed\u4e49\u3001\u6307\u4ee3\u7b49\u591a\u79cd\u5173\u7cfb2. \u7279\u5f81\u591a\u6837\u6027：\u7c7b\u4f3cCNN\u591a\u6ee4\u6ce2\u5668，\u63d0\u53d6\u4e0d\u540c\u6a21\u5f0f\u7279\u5f813. \u8868\u8fbe\u80fd\u529b\u589e\u5f3a：\u8d85\u8d8a\u5355\u5934\u6ce8\u610f\u529b\u7684\u8868\u793a\u4e0a\u9650<\/td>\n1. \u5197\u4f59\u98ce\u9669：\u591a\u4e2a\u5934\u53ef\u80fd\u5b66\u4e60\u76f8\u4f3c\u6a21\u5f0f，\u9020\u6210\u53c2\u6570\u6d6a\u8d392. \u534f\u8c03\u56f0\u96be：\u4e0d\u540c\u5934\u4e4b\u95f4\u9700\u8981\u826f\u597d\u914d\u5408，\u4f18\u5316\u96be\u5ea6\u589e\u52a0<\/td>\n<\/tr>\n
                \u26a1 \u8ba1\u7b97\u6548\u7387<\/td>\n1. \u5e76\u884c\u52a0\u901f：\u591a\u4e2a\u5934\u53ef\u5b8c\u5168\u5e76\u884c\u8ba1\u7b97，GPU\u5229\u7528\u7387\u9ad82. \u7ef4\u5ea6\u5206\u89e3：\u5355\u5934\u7ef4\u5ea6\u964d\u4f4e（d_k = d_model\/h），\u77e9\u9635\u4e58\u6cd5\u66f4\u9ad8\u65483. \u590d\u6742\u5ea6\u4f18\u5316：\u7406\u8bba\u590d\u6742\u5ea6\u4ece O(n\u00b2\u00b7d_model\u00b2) \u964d\u81f3 O(n\u00b2\u00b7d_model\u00b2\/h)<\/td>\n1. \u5b9e\u9645\u5f00\u9500：\u62fc\u63a5\u3001\u6295\u5f71\u3001\u6570\u636e\u79fb\u52a8\u589e\u52a0\u989d\u5916\u5f00\u95002. \u5185\u5b58\u6d88\u8017：\u9700\u5b58\u50a8\u6240\u6709\u5934\u7684\u4e2d\u95f4\u7ed3\u679c，\u5185\u5b58\u5360\u7528\u663e\u8457\u589e\u52a03. \u901a\u4fe1\u6210\u672c：\u5206\u5e03\u5f0f\u8bad\u7ec3\u65f6，\u591a\u5934\u7684\u68af\u5ea6\u540c\u6b65\u6210\u672c\u9ad8<\/td>\n<\/tr>\n
                🔄 \u6a21\u578b\u6027\u80fd<\/td>\n1. \u6cdb\u5316\u63d0\u5347：\u7c7b\u4f3c\u96c6\u6210\u5b66\u4e60\u6548\u5e94，\u51cf\u5c11\u8fc7\u62df\u54082. \u6536\u655b\u52a0\u901f：\u591a\u8def\u5f84\u5b66\u4e60\u6709\u52a9\u4e8e\u68af\u5ea6\u6d41\u52a83. \u9c81\u68d2\u6027\u589e\u5f3a：\u90e8\u5206\u5934\u5931\u6548\u65f6，\u5176\u4ed6\u5934\u53ef\u8865\u507f<\/td>\n1. \u50f5\u5c38\u5934\u95ee\u9898：\u90e8\u5206\u5934\u5b66\u4e60\u4e0d\u5230\u6709\u6548\u6a21\u5f0f，\u6210\u4e3a"\u6b7b\u5934"2. \u4e0d\u7a33\u5b9a\u8bad\u7ec3：\u591a\u5934\u7ade\u4e89\u53ef\u80fd\u5bfc\u81f4\u8bad\u7ec3\u6ce2\u52a83. \u8fc7\u53c2\u6570\u5316：\u5c0f\u6570\u636e\u96c6\u4e0a\u5bb9\u6613\u8fc7\u62df\u5408<\/td>\n<\/tr>\n
                🔍 \u53ef\u89e3\u91ca\u6027<\/td>\n1. \u6a21\u5f0f\u53ef\u89c6\u5316：\u53ef\u5206\u6790\u4e0d\u540c\u5934\u5173\u6ce8\u7684\u8bed\u4e49\/\u8bed\u6cd5\u6a21\u5f0f2. \u8c03\u8bd5\u53cb\u597d：\u901a\u8fc7\u5934\u5206\u6790\u5b9a\u4f4d\u6a21\u578b\u95ee\u98983. \u7ed3\u6784\u6d1e\u5bdf：\u63ed\u793a\u6a21\u578b\u5b66\u4e60\u5230\u7684\u8bed\u8a00\u5b66\u7ed3\u6784<\/td>\n1. \u89e3\u8bfb\u8bef\u5bfc：\u6ce8\u610f\u529b\u6743\u91cd\u2260\u91cd\u8981\u6027，\u53ef\u80fd\u88ab\u8fc7\u5ea6\u89e3\u8bfb2. \u6a21\u5f0f\u6df7\u5408：\u5b9e\u9645\u4e2d\u5934\u5e38\u5b66\u4e60\u6df7\u5408\u7279\u5f81，\u8fb9\u754c\u6a21\u7cca3. \u5206\u6790\u590d\u6742\u5ea6：\u9700\u8981\u4e13\u95e8\u5de5\u5177\u5206\u6790\u591a\u5934\u6ce8\u610f\u529b\u6a21\u5f0f<\/td>\n<\/tr>\n
                🔧 \u5de5\u7a0b\u5b9e\u73b0<\/td>\n1. \u6a21\u5757\u5316\u8bbe\u8ba1：\u7ed3\u6784\u6e05\u6670，\u6613\u4e8e\u5b9e\u73b0\u548c\u6269\u5c552. \u517c\u5bb9\u6027\u597d：\u4e0e\u5404\u79cd\u4f18\u5316\u6280\u672f（\u6df7\u5408\u7cbe\u5ea6\u3001\u68af\u5ea6\u68c0\u67e5\u70b9）\u517c\u5bb93. \u793e\u533a\u652f\u6301：\u4e3b\u6d41\u6846\u67b6\u5747\u6709\u4f18\u5316\u5b9e\u73b0<\/td>\n1. \u5b9e\u73b0\u590d\u6742\u5ea6：\u6bd4\u5355\u5934\u6ce8\u610f\u529b\u5b9e\u73b0\u66f4\u590d\u67422. \u6279\u5904\u7406\u9650\u5236：\u4e0d\u540c\u5934\u53ef\u80fd\u5bf9\u6279\u5927\u5c0f\u654f\u611f3. \u90e8\u7f72\u6311\u6218：\u8fb9\u7f18\u8bbe\u5907\u4e0a\u591a\u5934\u8ba1\u7b97\u8d44\u6e90\u8981\u6c42\u9ad8<\/td>\n<\/tr>\n
                📊 \u8d44\u6e90\u6d88\u8017<\/td>\n1. \u8ba1\u7b97\u5206\u89e3：\u5927\u77e9\u9635\u5206\u89e3\u4e3a\u5c0f\u77e9\u9635，\u9002\u5408\u786c\u4ef6\u4f18\u53162. \u7075\u6d3b\u914d\u7f6e：\u53ef\u6839\u636e\u8d44\u6e90\u8c03\u6574\u5934\u6570<\/td>\n1. \u53c2\u6570\u91cf\u589e\u52a0：\u589e\u52a0\u7ea6 (3h+1)\/4 \u500d\u53c2\u6570（\u76f8\u6bd4\u5355\u5934）2. \u6fc0\u6d3b\u503c\u5b58\u50a8：\u524d\u5411\u4f20\u64ad\u9700\u5b58\u50a8\u591a\u5934\u4e2d\u95f4\u7ed3\u679c，\u5185\u5b58\u5cf0\u503c\u9ad83. \u80fd\u8017\u589e\u52a0：\u79fb\u52a8\u7aef\/\u8fb9\u7f18\u8bbe\u5907\u80fd\u8017\u663e\u8457\u589e\u52a0<\/td>\n<\/tr>\n
                🎓 \u5b66\u4e60\u52a8\u6001<\/td>\n1. \u591a\u76ee\u6807\u4f18\u5316：\u4e0d\u540c\u5934\u53ef\u4e13\u6ce8\u4e0d\u540c\u5b50\u4efb\u52a12. \u907f\u514d\u5c40\u90e8\u6700\u4f18：\u591a\u8d77\u70b9\u641c\u7d22\u63d0\u9ad8\u627e\u5230\u5168\u5c40\u6700\u4f18\u6982\u7387<\/td>\n1. \u4f18\u5316\u51b2\u7a81：\u4e0d\u540c\u5934\u7684\u68af\u5ea6\u65b9\u5411\u53ef\u80fd\u51b2\u7a812. \u5b66\u4e60\u4e0d\u5e73\u8861：\u67d0\u4e9b\u5934\u5b66\u4e60\u5feb，\u67d0\u4e9b\u5b66\u4e60\u61623. \u8d85\u53c2\u6570\u654f\u611f：\u5934\u6570\u9009\u62e9\u5bf9\u6027\u80fd\u5f71\u54cd\u5927，\u9700\u7cbe\u7ec6\u8c03\u53c2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                \u63a9\u7801\u6ce8\u610f\u529b\u8be6\u89e3<\/h2>\n

                \u4ec0\u4e48\u662f\u63a9\u7801\u6ce8\u610f\u529b<\/h3>\n

                \u63a9\u7801\u6ce8\u610f\u529b\u662f\u5728\u6ce8\u610f\u529b\u8ba1\u7b97\u4e2d，\u901a\u8fc7\u4e00\u4e2a\u63a9\u7801\u77e9\u9635\u5f3a\u5236\u8ba9\u67d0\u4e9b\u4f4d\u7f6e\u7684\u6ce8\u610f\u529b\u6743\u91cd\u53d8\u4e3a\u96f6（\u6216\u63a5\u8fd1\u96f6），\u4ece\u800c\u9650\u5236\u4fe1\u606f\u6d41\u52a8\u65b9\u5411\u7684\u6ce8\u610f\u529b\u673a\u5236\u3002 \u4e0b\u56fe\u5206\u522b\u5448\u73b0\u4e861-3\u53f7\u6ce8\u610f\u529b\u7684\u6743\u91cd\u5173\u7cfb\u7279\u5f81，\u5176\u4e2d2\u53f7\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u4e2d，\u6bcf\u4e2atoken\u53ea\u80fd\u5411\u524d\u5173\u6ce8，\u65e0\u6cd5\u5411\u540e\u5173\u6ce8，\u56e0\u4e3a\u540e\u9762\u7684token\u8fd8\u6ca1\u6709\u751f\u6210\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                \u4e3a\u4ec0\u4e48\u7528\u63a9\u7801\u6ce8\u610f\u529b<\/h3>\n
                  \n
                • \u4fdd\u8bc1\u81ea\u56de\u5f52\u6027（\u56e0\u679c\u63a9\u7801）：\u9632\u6b62\u89e3\u7801\u65f6\u770b\u5230\u672a\u6765\u4fe1\u606f，\u786e\u4fdd\u9010\u8bcd\u751f\u6210<\/li>\n
                • \u5904\u7406\u53d8\u957f\u5e8f\u5217（\u586b\u5145\u63a9\u7801）：\u5ffd\u7565padding\u4f4d\u7f6e，\u805a\u7126\u6709\u6548\u5185\u5bb9<\/li>\n
                • \u9884\u8bad\u7ec3\u4efb\u52a1\u9700\u6c42（\u968f\u673a\u63a9\u7801）：\u5982BERT\u7684MLM\u4efb\u52a1，\u968f\u673a\u906e\u76d6\u90e8\u5206token<\/li>\n
                • \u63d0\u5347\u8ba1\u7b97\u6548\u7387（\u7a00\u758f\u63a9\u7801）：\u51cf\u5c11\u6ce8\u610f\u529b\u8ba1\u7b97\u91cf，\u5904\u7406\u957f\u5e8f\u5217<\/li>\n<\/ul>\n

                  \u63a9\u7801\u81ea\u6ce8\u610f\u529b\u600e\u4e48\u8ba1\u7b97<\/h3>\n

                  \u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\u56fe： \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u63a9\u7801\u903b\u8f91\u793a\u610f\u5982\u4e0b：<\/p>\n

                  \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                  \u6ce8\u610f：\u4e4b\u6240\u4ee5\u8fd9\u91cc\u7528<\/p>\n

                  \u2212<\/p>\n

                  \u221e<\/p>\n

                  -\u221e<\/p>\n

                  <\/span><\/span>\u2212<\/span>\u221e<\/span><\/span><\/span><\/span><\/span>，\u662f\u56e0\u4e3a\u540e\u7eedsoftmax\u51fd\u6570\u4e2d\u7684<\/p>\n

                  e<\/p>\n

                  x<\/p>\n

                  e^x<\/p>\n

                  <\/span><\/span>e<\/span><\/span>x<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>，\u5f53x\u662f<\/p>\n

                  \u2212<\/p>\n

                  \u221e<\/p>\n

                  -\u221e<\/p>\n

                  <\/span><\/span>\u2212<\/span>\u221e<\/span><\/span><\/span><\/span><\/span>，<\/p>\n

                  e<\/p>\n

                  x<\/p>\n

                  e^x<\/p>\n

                  <\/span><\/span>e<\/span><\/span>x<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u8d8b\u8fd1\u4e8e0<\/p>\n

                  \u7f16\u89e3\u7801\u6ce8\u610f\u529b<\/h2>\n

                  \u5373\u4f20\u7edf\u7684\u6ce8\u610f\u529b\u673a\u5236，\u53ea\u662f\u5b83\u7684K\u548cV\u6765\u81ea\u4e8e\u7f16\u7801\u5668\u7684\u8f93\u51fa，Q\u6765\u81ea\u4e8e\u89e3\u7801\u5668\u81ea\u8eab\u4e4b\u524d\u7684\u8f93\u51fa，\u4f20\u7edf\u6ce8\u610f\u529b\u673a\u5236\u7684\u8bf4\u660e，\u8be6\u89c1\u524d\u6587-\u6ce8\u610f\u529b\u673a\u5236<\/p>\n","protected":false},"excerpt":{"rendered":"

                  \u76ee\u7684
                  \n\u4e3a\u907f\u514d\u4e00\u5b66\u5c31\u4f1a\u3001\u4e00\u7528\u5c31\u5e9f，\u8fd9\u91cc\u505a\u4e0b\u7b14\u8bb0
                  \n\u8bf4\u660e
                  \n\u672c\u6587\u5185\u5bb9\u7d27\u627f\u524d\u6587-Transformer\u67b6\u67841-\u6574\u4f53\u4ecb\u7ecd\u3001Transformer\u67b6\u67842-\u81ea\u6ce8\u610f\u529b\u3001Transformer\u67b6\u67843-\u5d4c\u5165\u548c\u4f4d\u7f6e\u7f16\u7801，\u6b32\u6e10\u8fdb，\u8bf7\u5faa\u5e8f\u672c\u6587\u91cd\u70b9\u4ecb\u7ecdTransformer\u67b6\u6784\u4e2d\u7684\u591a\u79cd\u6ce8\u610f\u529b，\u5b83\u4eec\u5728\u7f16\u7801\u5668\u5806\u6808\u548c\u89e3\u7801\u5668\u5806\u6808\u4e2d\u90fd\u6709\u7528\u5230
                  \n\u6982\u8ff0
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