{"id":513,"date":"2024-04-02T01:53:49","date_gmt":"2024-04-01T17:53:49","guid":{"rendered":"https:\/\/tobykskgd.life\/?p=513"},"modified":"2024-11-14T22:22:40","modified_gmt":"2024-11-14T14:22:40","slug":"20","status":"publish","type":"post","link":"https:\/\/tobykskgd.life\/index.php\/20\/","title":{"rendered":"\u674e\u5b8f\u6bc5\u673a\u5668\u5b66\u4e60\u8bfe\u7a0b\u7b14\u8bb0EP13"},"content":{"rendered":"\n

\u3010\u5404\u5f0f\u5404\u6837\u7684Attention\u3011\u674e\u5b8f\u6bc52021\/2022\u6625\u673a\u5668\u5b66\u4e60\u8bfe\u7a0b\u7b14\u8bb0EP13\uff08P51\uff09<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4ece\u4eca\u5929\u5f00\u59cb\u6211\u5c06\u5b66\u4e60\u674e\u5b8f\u6bc5\u6559\u6388\u7684\u673a\u5668\u5b66\u4e60\u89c6\u9891\uff0c\u4e0b\u9762\u662f\u8bfe\u7a0b\u7684\u8fde\u63a5(\u5f3a\u63a8)\u674e\u5b8f\u6bc52021\/2022\u6625\u673a\u5668\u5b66\u4e60\u8bfe\u7a0b_\u54d4\u54e9\u54d4\u54e9_bilibili<\/a>\u3002\u4e00\u5171\u6709155\u4e2a\u89c6\u9891\uff0c\u4e89\u53d6\u90fd\u5b66\u4e60\u5b8c\u6210\u5427\u3002<\/p>\n\n\n\n

\u90a3\u4e48\u9996\u5148\u8fd9\u95e8\u8bfe\u7a0b\u9700\u8981\u6709\u4e00\u5b9a\u7684\u4ee3\u7801\u57fa\u7840\uff0c\u7b80\u5355\u5b66\u4e60\u4e00\u4e0bPython\u7684\u57fa\u672c\u7528\u6cd5\uff0c\u8fd8\u6709\u91cc\u9762\u7684NumPy\u5e93\u7b49\u7b49\u7684\u57fa\u672c\u77e5\u8bc6\u3002\u518d\u5c31\u662f\u6570\u5b66\u65b9\u9762\u7684\u57fa\u7840\u5566\uff0c\u5fae\u79ef\u5206\u3001\u7ebf\u6027\u4ee3\u6570\u548c\u6982\u7387\u8bba\u7684\u57fa\u7840\u90fd\u662f\u542c\u61c2\u8fd9\u95e8\u8bfe\u5fc5\u987b\u7684\u3002<\/p>\n\n\n\n

\n\n\n\n

\u672c\u8282\u8bfe\u7d27\u63a5\u7740EP11\uff08\u3010\u81ea\u6ce8\u610f\u529b\u673a\u5236\u3011\u674e\u5b8f\u6bc52021\/2022\u6625\u673a\u5668\u5b66\u4e60\u8bfe\u7a0b\u7b14\u8bb0EP11\uff08P38-P39\uff09 \u2013 -TobyKSKGD\u7684\u4e2a\u4eba\u535a\u5ba2-<\/a>\uff09\uff0c\u63a5\u7740\u8bf4\u7684\u662f\u5404\u5f0f\u5404\u6837Self-attention\u7684\u53d8\u4f53\u3002<\/p>\n\n\n\n

Self-attention\u5904\u7406\u7684\u5c31\u662f\u8f93\u5165\u662f\u4e00\u6392\u5411\u91cf\uff08Sequence\uff09\u7684\u60c5\u51b5\u3002\u5728\u4e4b\u524d\u7684\u7b14\u8bb0\u91cc\u9762\u8bf4\uff0c\u8fd9\u4e2aSequence\u548cSequence\u7684\u8ba1\u7b97\u91cf\u975e\u5e38\u5927\uff0c\u6240\u4ee5\u6211\u4eec\u60f3\u8981\u7528\u5404\u79cd\u529e\u6cd5\u53bb\u51cf\u5c0f\u8ba1\u7b97\u91cf\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u91cc\u5148\u8bf4\uff0c\u5f53\u8f93\u5165\u7684Sequence\u975e\u5e38\u957f\uff08\u6bd4\u5982\u56fe\u7247\uff09\u7684\u65f6\u5019\uff0c\u6574\u4e2aTransformer\u91cc\u9762\u6700\u4e3b\u8981\u7684\u8fd0\u7b97\u5c31\u4f1a\u6765\u81ea\u4e8eSelf-attention\u3002\u6240\u4ee5\u5f53\u8f93\u5165\u7684Sequence\u5f88\u957f\u7684\u65f6\u5019\uff0c\u4e0b\u9762\u5bf9\u4e8eSelf-attention\u7684\u53d8\u5f62\u6548\u679c\u624d\u4f1a\u660e\u663e\u3002<\/p>\n\n\n\n

\u5148\u6765\u8bf4\u5176\u4e2d\u7684\u4e00\u79cd\u53d8\u5f62\uff1aLocal Attention \/ Truncated Attention\u3002<\/p>\n\n\n\n

\u8fd9\u662f\u4e00\u4e2a\u53ef\u4ee5\u52a0\u5febSelf-attention\u7684\u8fd0\u7b97\u65b9\u6cd5\uff0c\u4f46\u662f\u4e0d\u4e00\u5b9a\u53ef\u4ee5\u7ed9\u5230\u975e\u5e38\u597d\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

Local Attention\u7684\u65b9\u6cd5\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u6bcf\u4e2a\u4f4d\u7f6e\u4e0a\u53ea\u9700\u8981\u770b\u5b83\u4eec\u81ea\u5df1\u5de6\u53f3\u90bb\u5c45\u5373\u53ef\uff0c\u8981\u662f\u4e2d\u95f4\u9694\u4e86\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u6b64\u65f6\u5bf9\u4e8e\u8fd9\u4e2a\u4f4d\u7f6e\u6765\u8bf4\uff0c\u6b64\u5904\u7684\u6743\u91cd\u5c31\u662f0\u3002\u7136\u540e\u6211\u4eec\u770b\u53f3\u8fb9query\u548ckey\u7684\u6ce8\u610f\u529b\u77e9\u9635\u5c31\u53ef\u4ee5\u53d1\u73b0\uff0c\u84dd\u8272\u90e8\u5206\u662f\u6211\u4eec\u8ba1\u7b97\u7684\u6ce8\u610f\u529b\u6743\u91cd\uff0c\u7136\u540e\u65c1\u8fb9\u7070\u8272\u7684\u5730\u65b9\u6211\u4eec\u5c31\u4e0d\u9700\u8981\u53bb\u8ba1\u7b97\u3002\u8fd9\u79cd\u601d\u60f3\u5176\u5b9e\u7c7b\u4f3c\u4e8eCNN\uff0c\u53ea\u6ce8\u610f\u91cd\u8981\u90e8\u5206\u7684\u601d\u60f3\u3002<\/p>\n\n\n\n

\u7b2c\u4e8c\u79cd\u662f\u548cLocal Attention\u5dee\u4e0d\u591a\u7684Stride Attention\u3002<\/p>\n\n\n\n

Stride Attention\u7684\u505a\u6cd5\u5c31\u662f\u9694\u6307\u5b9a\u7684\u4f4d\u7f6e\u770b\u53d1\u751f\u4ec0\u4e48\u4e8b\u60c5\uff0cLocal Attention\u5c31\u662f\u770b\u90bb\u5c45\uff0c\u73b0\u5728\u8fd9\u4e2aStride Attention\u5c31\u662f\u9694\u51e0\u4e2a\u4f4d\u7f6e\u770b\uff0c\u5176\u5b83\u6ca1\u6709\u4ec0\u4e48\u4e0d\u540c\u3002\u90a3\u9694\u51e0\u4e2a\u4f4d\u7f6e\u53ef\u4ee5\u7531\u6211\u4eec\u4e2d\u95f4\u6765\u51b3\u5b9a\uff0c\u8fd9\u4e2a\u6839\u636e\u5177\u4f53\u7684\u95ee\u9898\u51b3\u5b9aStride Attention\u5e94\u8be5\u8981\u957f\u4ec0\u4e48\u6837\u5b50\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7b2c\u4e09\u79cd\u53eb\u505aGlobal Attention\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u90a3Global Attention\u7684\u505a\u6cd5\u662f\u6709\u4e00\u4e2aspecial token\uff08\u7c89\u8272\u90e8\u5206\uff09\uff0c\u7136\u540e\u5b83\u4f1a\u5173\u6ce8\u8fd9\u4e2a\u8d44\u6599\u96c6\u5e76\u4e14\u5b83\u4e0e\u6240\u4ee5token\u90fd\u6709\u8054\u7cfb\uff0c\u9664\u6b64\u4e4b\u5916\uff0c\u5176\u5b83\u7684token\uff08\u7070\u8272\u90e8\u5206\uff09\u76f8\u4e92\u4e4b\u95f4\u90fd\u662f\u6ca1\u6709\u5f80\u6765\u7684\uff0c\u5982\u679c\u5b83\u4eec\u60f3\u770b\u8d44\u6599\u96c6\uff0c\u5c31\u4f1a\u901a\u8fc7\u4e0especial token\u8054\u7cfb\u6765\u67e5\u770b\u3002\u90a3\u8fd9\u4e2aspecial token\u4e00\u822c\u4f1a\u628a\u5b83\u8bbe\u7f6e\u6210\u4e00\u4e2a\u53e5\u5b50\u7684\u9996\u90e8\u6216\u8005\u6807\u70b9\u7b26\u53f7\u8fd9\u6837\u6bd4\u8f83\u7279\u6b8a\u7684\u4f4d\u7f6e\u4e0a\uff0c\u6216\u8005\u4f60\u53ef\u4ee5\u4ece\u5916\u9762\u52a0\u51e0\u4e2atoken\u5f53\u4f5cspecial token\u3002<\/p>\n\n\n\n

\u4e8b\u5b9e\u4e0a\uff0c\u4ece\u5b9e\u9a8c\u7ed3\u679c\u6765\u770b\uff0c\u628a\u524d\u9762\u8bb2\u7684\u8fd9\u4e09\u79cd\u65b9\u5f0f\u5168\u90e8\u7ed3\u5408\u8d77\u6765\u5f97\u5230\u7684\u6548\u679c\u662f\u6700\u597d\u7684\u3002\u4f60\u53ef\u4ee5\u5728Self-attention\u91cc\u7528\u4e0d\u540c\u7684head\u53bb\u505a\u4e0d\u540c\u7684\u4e8b\u60c5\uff0c\u5bf9\u5e94\u524d\u9762\u4e0d\u540c\u7684attention\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4e0b\u9762\u8fd9\u4e2aLongformer\u5b9e\u9645\u4e0a\u5c31\u662f\u76f4\u63a5\u628aLocal attention\u3001Stride Attention\u548cGlobal attention\u5168\u90e8\u7ed3\u5408\u8d77\u6765\u7684\u7ed3\u679c\u4e86\u3002<\/p>\n\n\n\n

\u540e\u9762\u7684\u8fd9\u4e2aBig Bird\u5b9e\u9645\u4e0a\u5c31\u662f\u5728Longformer\u628aLocal attention\u3001Stride Attention\u548cGlobal attention\u5168\u90e8\u7ed3\u5408\u8d77\u6765\u7684\u57fa\u7840\u4e0a\u52a0\u4e0a\u4e86\u4e00\u4e2aRandom Attention\u7684\u7ed3\u679c\u3002\u8fd9\u4e2aRandom Attention\u7684\u505a\u6cd5\u5c31\u662f\u968f\u673a\u9009token\u4f4d\u7f6e\uff0c\u8ba9\u4ed6\u4eec\u5f7c\u6b64\u5173\u6ce8\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7136\u540e\u6211\u4eec\u5728\u770b\u6ce8\u610f\u529b\u77e9\u9635\u7684\u65f6\u5019\uff0c\u5176\u5b9e\u53ef\u4ee5\u53ea\u5173\u6ce8\u91cd\u8981\u7684\u4fe1\u606f\uff0c\u7136\u540e\u628a\u6ce8\u610f\u529b\u77e9\u9635\u91cc\u9762\u90a3\u4e9battention weight\u6570\u503c\u5c0f\u7684\u90e8\u5206\u76f4\u63a5\u5f53\u4f5c0\u5904\u7406\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u8fdb\u4e00\u6b65\u51cf\u5c11\u8ba1\u7b97\u91cf\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u6240\u4ee5\u8bf4\u6211\u4eec\u5e94\u8be5\u5982\u4f55\u53bb\u8fa8\u522btoken\u7684\u5927\u5c0f\uff1f<\/p>\n\n\n\n

\u63a5\u4e0b\u53bb\u6765\u4ecb\u7ecdClustering\u3002<\/p>\n\n\n\n

\u7b2c\u4e00\u6b65\u5c31\u662f\u5bf9query\u548ckey\u7684\u5411\u91cf\u8fdb\u884c\u5206\u7c7b\uff0c\u6211\u4eec\u7684\u76ee\u7684\u662f\u60f3\u8ba9\u76f8\u8fd1\u7684\u5411\u91cf\u5c5e\u4e8e\u540c\u4e00\u7c7b\u3002\u7136\u540e\u6211\u4eec\u7684\u76ee\u7684\u662f\u51cf\u5c11\u8ba1\u7b97\u91cf\uff0c\u6240\u4ee5\u5728\u8fd9\u4e2a\u5730\u65b9\u6211\u4eec\u4e0d\u60f3\u53bb\u8fdb\u4e00\u6b65\u589e\u52a0\u8ba1\u7b97\u91cf\u4e86\uff0c\u56e0\u6b64\u8fd9\u91cc\u7684\u5206\u7c7b\u53ea\u662f\u4f30\u6d4b\uff0c\u5b83\u7684\u901f\u5ea6\u5feb\u4f46\u662f\u7ed3\u679c\u4e0d\u4e00\u5b9a\u51c6\uff0c\u4f46\u662f\u6211\u4eec\u4e0dcare\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7b2c\u4e8c\u6b65\u5c31\u662f\u53ea\u8ba1\u7b97query\u548ckey\u5f52\u5230\u540c\u4e00\u7c7b\u7684\u6743\u91cd\uff0c\u6211\u4eec\u628a\u5176\u5b83\u6ca1\u6709\u5f52\u7c7b\u7684\u5730\u65b9\u90fd\u7edf\u7edf\u8bbe\u62100\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u6837\u5b50\u6211\u4eec\u5c31\u7528Clustering\u8fdb\u4e00\u6b65\u7b80\u5316\u4e86\u8ba1\u7b97\u91cf\u3002<\/p>\n\n\n\n

\u524d\u9762\u8bf4\u7684\u90fd\u662f\u6211\u4eec\u4eba\u53bb\u4e3b\u52a8\u8c03\u6574\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u8ba9\u673a\u5668\u81ea\u5df1\u5b66\u51fa\u6765\u54ea\u4e9b\u5730\u65b9\u8981\u4e0d\u8981\u8ba1\u7b97\u6743\u91cd\u3002<\/p>\n\n\n\n

\u5b83\u7684\u505a\u6cd5\u4e3b\u8981\u5c31\u662f\u518d\u53e6\u5916\u5b66\u4e60\u4e00\u4e2a\u7f51\u7edc\u6765\u51b3\u5b9a\u54ea\u4e9b\u5730\u65b9\u9700\u8981\u8ba1\u7b97\u6743\u91cd\u3002\u6700\u540e\u6211\u4eec\u518d\u7528\u4e00\u4e9b\u7279\u6b8a\u7684\u65b9\u6cd5\uff0c\u628a\u7528\u53e6\u5916\u4e00\u4e2a\u7f51\u7edc\u8ba1\u7b97\u5f97\u5230\u7684Attention\u77e9\u9635\u505a\u5904\u7406\uff0c\u5f97\u5230\u6700\u7ec8\u7684\u4e8c\u8fdb\u5236\u77e9\u9635\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u63a5\u7740\u6211\u4eec\u518d\u6765\u601d\u8003\uff0c\u6211\u4eec\u662f\u5426\u771f\u7684\u9700\u8981\u4e00\u6574\u4e2a\u7684attention\u77e9\u9635\u5462\uff1f<\/p>\n\n\n\n

\u5176\u5b9e\u662f\u4e0d\u7528\u7684\uff0c\u8fd9\u91cc\u4e0d\u9700\u8981\u6574\u4e2a\u7684\u6ce8\u610f\u529b\u77e9\u9635\u5c31\u53eb\u505a\uff1aLinformer\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

Linformer\u7684\u505a\u6cd5\u662f\u9009\u62e9\u51fa\u6709\u4ee3\u8868\u6027\u7684key\uff0c\u7136\u540e\u518d\u6311\u51fa\u6709\u4ee3\u8868\u6027\u7684value\uff0c\u7136\u540e\u7528\u4e4b\u524d\u4e00\u6837\u8ba1\u7b97Self-attention\u8f93\u51fa\u7684\u65b9\u6cd5\u8ba1\u7b97\u8f93\u51fa\u5373\u53ef\u3002\u5982\u679c\u4f60\u5fd8\u8bb0\u4e86\uff0c\u8fd9\u91cc\u518d\u7b80\u5355\u63d0\u4e00\u4e0b\uff0c\u5982\u4e0b\u56fe\uff0c\u5c31\u662f\u7528\u9009\u51fa\u6765\u7684K\u53bb\u4e58\u4e0aquery\uff0c\u7136\u540e\u518d\u4e58\u4e0aV\u4e5f\u5c31\u662fvalue\uff0c\u6700\u540e\u518d\u5168\u9762\u52a0\u8d77\u6765\u5f97\u5230\u4e00\u4e2a\u8f93\u51fa\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4f60\u4e5f\u8bb8\u4f1a\u60f3\uff0ckey\u53ef\u4ee5\u9009\u51fa\u4ee3\u8868\u6027\u7684\u53bb\u51cf\u5c11key\u7684\u957f\u5ea6\uff0c\u90a3query\u53ef\u4e0d\u53ef\u4ee5\u5462\uff1f<\/p>\n\n\n\n

\u51cf\u5c11query\u957f\u5ea6\u5728\u6709\u4e9b\u95ee\u9898\u4e0a\u662f\u65e0\u59a8\u7684\uff0c\u4f46\u662f\u5728\u4e00\u4e9b\u5b9e\u9645\u7684\u95ee\u9898\u4e0a\u4f1a\u51fa\u73b0\u95ee\u9898\uff08\u56e0\u4e3a\u4f1a\u6539\u53d8output\u7684\u957f\u5ea6\uff09\u3002\u6240\u4ee5\u6211\u4eec\u8fd8\u662f\u9700\u8981\u6839\u636e\u5b9e\u9645\u95ee\u9898\u53bb\u8003\u8651\u8981\u4e0d\u8981\u6539\u53d8query\u7684\u957f\u5ea6\u3002<\/p>\n\n\n\n

\u7d27\u63a5\u7740\u4e0a\u9762\u7684\u95ee\u9898\uff0c\u6211\u4eec\u8981\u600e\u4e48\u627e\u51fa\u6709\u4ee3\u8868\u6027\u7684key\u5462\uff1f<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u91cc\u6709\u4e24\u4e2a\u65b9\u6cd5\uff0c\u4e00\u79cd\u662f\u628akey\u7684Sequence\u5e73\u5747\u5206\u7ec4\u5582\u7ed9CNN\uff0c\u8ba9CNN\u8ba1\u7b97\u51fa\u91cd\u8981\u7684key\u3002\u8fd8\u6709\u4e00\u79cd\u65b9\u6cd5\u662fLinformer\u4e2d\u7684\u505a\u6cd5\uff0c\u5c31\u662f\u628akey\u7684Sequence\u505a\u4e00\u4e2a\u7ebf\u6027\u7ec4\u5408\u4f5c\u4e3a\u91cd\u8981\u7684key\u3002<\/p>\n\n\n\n

\u7136\u540e\u8fd8\u6709Self-attention\u672c\u8eab\u8ba1\u7b97\u7684\u7b80\u5316\u3002<\/p>\n\n\n\n

\u5148\u6765\u56de\u5fc6\u4e00\u4e9bSelf-attention\u7684\u8ba1\u7b97\u65b9\u6cd5\u3002\u5982\u679c\u4f60\u5fd8\u8bb0\u4e86\uff0c\u4f20\u9001\u95e8\u8d34\u5728\u8fd9\u91cc\u4e86\uff1a\u3010\u81ea\u6ce8\u610f\u529b\u673a\u5236\u3011\u674e\u5b8f\u6bc52021\/2022\u6625\u673a\u5668\u5b66\u4e60\u8bfe\u7a0b\u7b14\u8bb0EP11\uff08P38-P39\uff09 \u2013 -TobyKSKGD\u7684\u4e2a\u4eba\u535a\u5ba2-<\/a>\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u90a3\u56de\u987eSelf-attention\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u6211\u4eec\u4f1a\u53d1\u73b0\u8fd9\u91cc\u6700\u4e3b\u8981\u7684\u8ba1\u7b97\u91cf\u5c31\u5728O \u2248 V K Q\u8fd9\u91cc\uff0c\u5047\u8bbe\u8bf4\u6211\u4eec\u5148\u62ff\u6389softmax\u5c42\u7684\u8bdd\u3002<\/p>\n\n\n\n

\u7136\u540e\u662f\u7528\u7ebf\u6027\u4ee3\u6570\u7684\u5185\u5bb9\u53bb\u89e3\u91ca\uff0c\u8fd9\u91cc\u76f4\u63a5\u8bf4\u7ed3\u8bba\u4e86\u3002\u4e00\u822c\u6211\u4eec\u505aSelf-attention\u7684\u65f6\u5019\u662f\u5148\u8ba9K\u4e58\u4e0aQ\uff0c\u7136\u540e\u8fd9\u6837\u7684\u505a\u4e58\u6cd5\u7684\u6b21\u6570\u662f(d + d’)N2<\/sup>\u6b21\u3002\u5982\u679c\u6211\u4eec\u5148\u8ba1\u7b97V\u4e58\u4e0aK\uff0c\u5c31\u4f1a\u5927\u5927\u51cf\u5c11\u8ba1\u7b97\u91cf\uff0c\u8fd9\u6b21\u7684\u4e58\u6cd5\u6b21\u6570\u662f2dd’N\u6b21\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

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\u7136\u540e\u8fd9\u91cc\u03a6(q)\u7684\u4ea7\u751f\u65b9\u5f0f\uff0c\u4e0d\u540c\u7684\u6587\u732e\u6709\u4e0d\u540c\u7684\u4ea7\u751f\u65b9\u5f0f\uff0c\u8fd9\u91cc\u4e0d\u505a\u9610\u8ff0\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u6700\u540e\u518d\u6765\u4ecb\u7ecdSynthesizer\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u4e0d\u9700\u8981q\u548ck\u53bb\u8ba1\u7b97\u5f97\u5230\u6ce8\u610f\u529b\u77e9\u9635\u3002<\/p>\n\n\n\n

Synthesizer\u91cc\u76f4\u63a5\u628a\u6ce8\u610f\u529b\u77e9\u9635\u53d8\u6210\u795e\u7ecf\u7f51\u7edc\u4e2d\u7684\u4e00\u90e8\u5206\uff0c\u91cc\u9762\u7684\u6743\u91cd\u5c31\u662f\u795e\u7ecf\u7f51\u7edc\u4e2d\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4f60\u95ee\uff0c\u65e2\u7136\u662f\u795e\u7ecf\u7f51\u7edc\u4e2d\u7684\u53c2\u6570\uff0c\u90a3input\u4e0d\u540c\u7684Sequence\uff0cattention\u7684weight\u90fd\u662f\u4e00\u6837\u7684\u554a\uff1f<\/p>\n\n\n\n

\u662f\u7684\u3002<\/p>\n\n\n\n

\u90a3\u8fd9\u6837\u5b50\u6a21\u578b\u7684\u8868\u73b0\u4f1a\u4e0d\u4f1a\u53d8\u5dee\uff1f<\/p>\n\n\n\n

\u4e0d\u4f1a\u3002<\/p>\n\n\n\n

\u5c31\u662f\u8fd9\u6837\u3002<\/p>\n\n\n\n

\u6240\u4ee5\u6211\u4eec\u4f1a\u5bf9attention\u7684\u610f\u4e49\u4ea7\u751f\u601d\u8003\uff0c\u65e2\u7136\u6ca1\u6709attention\u4e5f\u4e00\u6837\uff0c\u90a3\u6211\u4eec\u662f\u5426\u53ef\u4ee5\u50cf\u4e22\u5f03RNN\u90a3\u6837\u4e22\u5f03attention\uff1f\u5b9e\u9645\u4e0a\u8fd9\u4e5f\u662f\u4e00\u79cd\u5728\u7814\u7a76\u7684\u65b9\u5411\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u90a3\u4ee5\u4e0a\u5c31\u662f\u5bf9Self-attention\u53d8\u5f62\u7684\u8bb2\u89e3\u4e86\u3002\u4e0b\u9762\u662f\u5bf9\u8fd9\u6b21\u8bb2\u89e3\u7684\u53d8\u5f62\u505a\u7684summary\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
\n\n\n\n

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