{"id":23022,"date":"2024-11-12T11:22:20","date_gmt":"2024-11-12T03:22:20","guid":{"rendered":"https:\/\/aif.amtbbs.org\/?p=23022"},"modified":"2024-11-12T11:22:20","modified_gmt":"2024-11-12T03:22:20","slug":"%e5%85%8b%e6%9c%8d%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e8%bd%ac%e6%8d%a2%e5%99%a8%e7%9a%84%e5%b1%80%e9%99%90%e6%80%a7-%e4%bb%8e%e4%bd%8d%e7%bd%ae%e5%b5%8c%e5%85%a5%e5%88%b0rope","status":"publish","type":"post","link":"https:\/\/aif.amtbbs.org\/index.php\/2024\/11\/12\/23022\/","title":{"rendered":"\u514b\u670d\u673a\u5668\u5b66\u4e60\u8f6c\u6362\u5668\u7684\u5c40\u9650\u6027\u2014\u2014\u4ece\u4f4d\u7f6e\u5d4c\u5165\u5230RoPE\u548cALiBi\u65b9\u6cd5"},"content":{"rendered":"<p><img data-dominant-color=\"0f4e7c\" data-has-transparency=\"false\" style=\"--dominant-color: #0f4e7c;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-23024\" 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is all you need\u300b\u8bba\u6587\u4e2d\u5f15\u5165\u7684\u3002\u6b63\u5f26\u4f4d\u7f6e\u7f16\u7801\u4e3a\u8f93\u5165\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e2a\u6807\u8bb0\u63d0\u4f9b\u552f\u4e00\u7684\u4f4d\u7f6e\u8868\u793a\u3002\u5b83\u57fa\u4e8e\u4e0d\u540c\u9891\u7387\u7684\u6b63\u5f26\u548c\u4f59\u5f26\u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p>\u5176\u4e2d\uff0cpos\u662f\u6807\u8bb0\u5728\u5e8f\u5217\u4e2d\u7684\u4f4d\u7f6e\uff0cd\u662f\u4f4d\u7f6e\u5d4c\u5165\u7ef4\u5ea6\uff0ci\u662f\u7ef4\u5ea6\u7d22\u5f15\uff080&lt;=i&lt;d\uff09\u3002<\/p>\n<p>\u6b63\u5f26\u548c\u4f59\u5f26\u51fd\u6570\u5728\u6b63\u5f26\u4f4d\u7f6e\u7f16\u7801\u4e2d\u7684\u4f7f\u7528\u4e0e\u5085\u91cc\u53f6\u53d8\u6362\u6709\u7740\u5bc6\u5207\u7684\u5173\u7cfb\u3002\u901a\u8fc7\u4f7f\u7528\u4e00\u7cfb\u5217\u4e0d\u540c\u7684\u9891\u7387\u5bf9\u4f4d\u7f6e\u8fdb\u884c\u7f16\u7801\uff0c\u8f6c\u6362\u5668\u521b\u5efa\u4e86\u4e00\u4e2a\u7c7b\u4f3c\u4e8e\u5085\u91cc\u53f6\u53d8\u6362\u7684\u8868\u793a\uff0c\u5176\u4e2d\uff1a<\/p>\n<ul data-id=\"u738a58b-bPaiIfWP\">\n<li data-id=\"ld70c578-cT8KhHlb\">\u9ad8\u9891\u5206\u91cf\uff08\u8f83\u4f4e\u7684i\uff09\u4f7f\u6a21\u578b\u80fd\u591f\u6355\u83b7\u672c\u5730\u4f4d\u7f6e\u4fe1\u606f\u3002\u8fd9\u5bf9\u4e8e\u7406\u89e3\u5e8f\u5217\u4e2d\u76f8\u90bb\u6807\u8bb0\uff08\u5982\u5355\u8bcd\u5bf9\uff09\u4e4b\u95f4\u7684\u5173\u7cfb\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li data-id=\"ld70c578-eEL5RfSk\">\u4f4e\u9891\u5206\u91cf\uff08i\u503c\u8d8a\u9ad8\uff09\u5728\u6574\u4e2a\u5e8f\u5217\u4e2d\u6355\u83b7\u4e86\u66f4\u591a\u7684\u5168\u5c40\u6a21\u5f0f\u3002\u8fd9\u6709\u52a9\u4e8e\u6a21\u578b\u5173\u6ce8\u53ef\u80fd\u76f8\u8ddd\u751a\u8fdc\u7684\u6807\u8bb0\u4e4b\u95f4\u66f4\u5e7f\u6cdb\u7684\u5173\u7cfb\uff0c\u4f8b\u5982\u4e24\u4e2a\u4e0d\u540c\u53e5\u5b50\u4e2d\u5355\u8bcd\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u6709\u52a9\u4e8e\u6a21\u578b\u901a\u8fc7\u6bd4\u8f83\u6807\u8bb0\u7684\u4f4d\u7f6e\u7f16\u7801\u6765\u7406\u89e3\u6807\u8bb0\u7684\u76f8\u5bf9\u4f4d\u7f6e\u3002\u6b63\u5f26\u4f4d\u7f6e\u7f16\u7801\u5728\u63a8\u7406\u65f6\u63a8\u5e7f\u5230\u66f4\u5927\u7684\u5e8f\u5217\u957f\u5ea6\u65f6\u4e0d\u9700\u8981\u989d\u5916\u7684\u8bad\u7ec3\u53c2\u6570\u3002\u7136\u800c\uff0c\u5b83\u7684\u8868\u73b0\u529b\u662f\u6709\u9650\u7684\u3002<\/p>\n<h3>\uff082\uff09b\u5b66\u4e60\u4f4d\u7f6e\u7f16\u7801<\/h3>\n<p>\u300aAttention is all you 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data-id=\"ld70c578-O6REgmcp\">\u03b8\uff1a\u662f\u4e00\u4e2a\u63a7\u5236\u4f4d\u7f6e\u65cb\u8f6c\u901f\u7387\u7684\u5e38\u6570\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u7b97\u6cd5\u63d0\u51fa\u4e86\u4e00\u4e2a\u5e7f\u4e49\u65cb\u8f6c\u77e9\u9635\uff0c\u9002\u7528\u4e8e\u4efb\u4f55\u5076\u6570\u5d4c\u5165\u7ef4\u6570d\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p>\u5176\u4e2d\u03b8<sub>i<\/sub>\u662f\u9884\u5b9a\u4e49\u7684\uff1a<\/p>\n<p>\u5c06RoPE\uff08https:\/\/arxiv.org\/pdf\/2104.09864\uff09\u5e94\u7528\u4e8e\u6ce8\u610f\u529b\u6743\u91cd\u5c06\u5f97\u5230\u5982\u4e0b\u516c\u5f0f\uff1a<\/p>\n<p>\u8bf7\u6ce8\u610f\uff0cRoPE\u516c\u5f0f\u4e0d\u4f1a\u5c06\u4f4d\u7f6e\u4fe1\u606f\u6dfb\u52a0\u5230\u6ce8\u610f\u529b\u6a21\u5757\u7684\u503c\u4e2d\u3002\u6ce8\u610f\u529b\u6a21\u5757\u7684\u8f93\u51fa\u662f\u503c\u5411\u91cf\u7684\u52a0\u6743\u548c\uff0c\u7531\u4e8e\u4f4d\u7f6e\u4fe1\u606f\u6ca1\u6709\u6dfb\u52a0\u5230\u503c\u4e2d\uff0c\u56e0\u6b64\u6bcf\u4e2a\u8f6c\u6362\u5668\u5c42\u7684\u8f93\u51fa\u90fd\u6ca1\u6709\u660e\u786e\u7684\u4f4d\u7f6e\u7ec6\u8282\u3002<\/p>\n<p>LLaMA\u548cGPT-NeoX\u7b49\u6d41\u884c\u6a21\u578b\u4e5f\u6b63\u5728\u4f7f\u7528RoPE\u3002<\/p>\n<p>\u56fe2\uff1aALiBi\u65b9\u6cd5\u53ef\u89c6\u5316\uff08\u56fe\u7247\u6765\u81ea\u8bba\u6587https:\/\/arxiv.org\/pdf\/2108.12409\uff09\u3002<\/p>\n<h2>4.\u6ce8\u610f\u7ebf\u6027\u504f\u5dee\uff08ALiBi\uff09<\/h2>\n<p>ALiBi\u7b97\u6cd5\u4e5f\u4e0d\u4f1a\u5728\u5355\u8bcd\u5d4c\u5165\u4e2d\u6dfb\u52a0\u4f4d\u7f6e\u7f16\u7801\uff1b\u76f8\u53cd\uff0c\u5b83\u5bf9\u6ce8\u610f\u529b\u6743\u91cd\u5206\u6570\u589e\u52a0\u4e86\u4e00\u4e2a\u60e9\u7f5a\uff0c\u8be5\u60e9\u7f5a\u4e0e\u6807\u8bb0\u4e4b\u95f4\u7684\u8ddd\u79bb\u6210\u6b63\u6bd4\u3002\u56e0\u6b64\uff0c\u6bcf\u5c42\u4e24\u4e2a\u6807\u8bb0i\u548cj\u4e4b\u95f4\u7684\u6ce8\u610f\u529b\u5f97\u5206\u8ba1\u7b97\u5982\u4e0b\uff1a<\/p>\n<p>\u6ce8\u610f\u529b\u5f97\u5206=query_i 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