{"id":39317,"date":"2025-03-10T00:02:25","date_gmt":"2025-03-09T16:02:25","guid":{"rendered":"https:\/\/17aitech.com\/?p=39317"},"modified":"2025-03-10T00:02:25","modified_gmt":"2025-03-09T16:02:25","slug":"%e9%9a%8f%e7%9d%80%e5%a4%a7%e6%a8%a1%e5%9e%8b%e5%9c%a8%e9%95%bf%e6%96%87%e6%9c%ac%e5%a4%84%e7%90%86%e4%bb%bb%e5%8a%a1%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8%e6%97%a5%e7%9b%8a%e5%b9%bf%e6%b3%9b%ef%bc%8c","status":"publish","type":"post","link":"https:\/\/17aitech.com\/?p=39317","title":{"rendered":"\u968f\u7740\u5927\u6a21\u578b\u5728\u957f\u6587\u672c\u5904\u7406\u4efb\u52a1\u4e2d\u7684\u5e94\u7528\u65e5\u76ca\u5e7f\u6cdb\uff0c\u5982\u4f55\u5ba2\u89c2\u4e14\u7cbe\u51c6\u5730\u8bc4\u4f30\u5176\u957f\u6587\u672c\u80fd\u529b\u5df2\u6210\u4e3a\u4e00\u4e2a\u4e9f\u5f85\u89e3\u51b3\u7684\u95ee\u9898\u3002"},"content":{"rendered":"<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:<a href=\"https:\/\/www.jiqizhixin.com\/articles\/2025-03-09\" target=\"_blank\">\u968f\u7740\u5927\u6a21\u578b\u5728\u957f\u6587\u672c\u5904\u7406\u4efb\u52a1\u4e2d\u7684\u5e94\u7528\u65e5\u76ca\u5e7f\u6cdb\uff0c\u5982\u4f55\u5ba2\u89c2\u4e14\u7cbe\u51c6\u5730\u8bc4\u4f30\u5176\u957f\u6587\u672c\u80fd\u529b\u5df2\u6210\u4e3a\u4e00\u4e2a\u4e9f\u5f85\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/a><\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-8f57dc770eec2006e2f3b92332805500.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-8f57dc770eec2006e2f3b92332805500.png\"><\/a><\/p>\n<section>\u968f\u7740\u5927\u6a21\u578b\u5728\u957f\u6587\u672c\u5904\u7406\u4efb\u52a1\u4e2d\u7684\u5e94\u7528\u65e5\u76ca\u5e7f\u6cdb\uff0c\u5982\u4f55\u5ba2\u89c2\u4e14\u7cbe\u51c6\u5730\u8bc4\u4f30\u5176\u957f\u6587\u672c\u80fd\u529b\u5df2\u6210\u4e3a\u4e00\u4e2a\u4e9f\u5f85\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/section>\n<section><\/section>\n<section>\u4f20\u7edf\u4e0a\uff0c\u56f0\u60d1\u5ea6\uff08Perplexity, PPL\uff09\u88ab\u89c6\u4e3a\u8861\u91cf\u6a21\u578b\u8bed\u8a00\u7406\u89e3\u4e0e\u751f\u6210\u8d28\u91cf\u7684\u6807\u51c6\u6307\u6807\u2014\u2014\u56f0\u60d1\u5ea6\u8d8a\u4f4e\uff0c\u901a\u5e38\u610f\u5473\u7740\u6a21\u578b\u5bf9\u4e0b\u4e00\u4e2a\u8bcd\u7684\u9884\u6d4b\u80fd\u529b\u8d8a\u5f3a\u3002\u7531\u4e8e\u957f\u6587\u672c\u53ef\u88ab\u89c6\u4e3a\u4e00\u822c\u6587\u672c\u7684\u6269\u5c55\uff0c\u8bb8\u591a\u7814\u7a76\u81ea\u7136\u5730\u901a\u8fc7\u5c55\u793a\u6a21\u578b\u5728\u957f\u6587\u672c\u4e0a\u7684\u4f4e\u56f0\u60d1\u5ea6\u6765\u8bc1\u660e\u5176\u957f\u6587\u672c\u6cdb\u5316\u80fd\u529b\u7684\u6709\u6548\u6027\u3002<strong>\u4f46\u4f60\u77e5\u9053\uff0c\u8fd9\u4e2a\u8bc4\u4f30\u65b9\u5f0f\u53ef\u80fd\u5b8c\u5168\u9519\u4e86\u5417<\/strong>\uff1f<\/section>\n<section><\/section>\n<section>\u8fd1\u671f\u7814\u7a76\u53d1\u73b0\uff0c\u56f0\u60d1\u5ea6\u5728\u957f\u6587\u672c\u4efb\u52a1\u4e2d\u7684\u9002\u7528\u6027\u5b58\u5728\u663e\u8457\u5c40\u9650\u6027\uff1a\u67d0\u4e9b\u5728\u56f0\u60d1\u5ea6\u6307\u6807\u4e0a\u8868\u73b0\u4f18\u5f02\u7684\u6a21\u578b\uff0c\u5728\u5b9e\u9645\u957f\u6587\u672c\u5e94\u7528\u4e2d\u5374\u672a\u80fd\u8fbe\u5230\u9884\u671f\u6548\u679c\u3002\u5982\u56fe 1\uff08\u4e0a\uff09\u6240\u793a\uff0c\u5728 <strong>9 \u79cd\u4e3b\u6d41\u957f\u6587\u672c\u5927\u6a21\u578b<\/strong>\u4e0a\uff0c\u56f0\u60d1\u5ea6\uff08y \u8f74\uff09\u4e0e\u6a21\u578b\u5728\u957f\u6587\u672c\u4efb\u52a1\u4e2d\u7684\u771f\u5b9e\u8868\u73b0\uff08x \u8f74\uff09\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u6781\u4f4e\u3002\u8fd9\u4e00\u53cd\u5e38\u73b0\u8c61\u5f15\u51fa\u4e86\u4e00\u4e2a\u5173\u952e\u95ee\u9898\uff1a<strong>\u4e3a\u4f55\u56f0\u60d1\u5ea6\uff08PPL\uff09\u5728\u957f\u6587\u672c\u573a\u666f\u4e0b\u5931\u6548<\/strong>\uff1f<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-45d4a8dc2bea01b75b691384fd803557.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-45d4a8dc2bea01b75b691384fd803557.png\"><\/a><em><sup>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u56fe 1 \u5927\u6a21\u578b\u7684\u56f0\u60d1\u5ea6 (PPL) \u548c\u957f\u6587\u672c\u56f0\u60d1\u5ea6 (LongPPL) \u4e0e\u957f\u6587\u672c\u4efb\u52a1\u96c6 LongBench \u5206\u6570\u7684\u76f8\u5173\u6027\u3002<\/sup><\/em><\/section>\n<section><\/section>\n<section>\u9488\u5bf9\u8fd9\u4e00\u95ee\u9898\uff0c\u5317\u4eac\u5927\u5b66\u738b\u5955\u68ee\u56e2\u961f\u4e0e MIT\u3001\u963f\u91cc\u4e00\u9053\u5f00\u5c55\u4e86\u6df1\u5165\u7814\u7a76\uff0c\u63a2\u8ba8\u56f0\u60d1\u5ea6\u5728\u957f\u6587\u672c\u4efb\u52a1\u4e2d\u5931\u6548\u7684\u539f\u56e0\uff0c\u5e76\u63d0\u51fa\u5168\u65b0\u6307\u6807 LongPPL\uff0c\u66f4\u7cbe\u51c6\u53cd\u6620\u957f\u6587\u672c\u80fd\u529b\u3002<\/section>\n<section><\/section>\n<section>\u901a\u8fc7\u5b9e\u9a8c\uff0c\u4ed6\u4eec\u53d1\u73b0\u957f\u6587\u672c\u4e2d\u4e0d\u540c token \u5bf9\u957f\u8ddd\u79bb\u4e0a\u4e0b\u6587\u4fe1\u606f\u7684\u4f9d\u8d56\u7a0b\u5ea6\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u5176\u4e2d\uff0c\u5bf9\u957f\u4e0a\u4e0b\u6587\u4fe1\u606f\u4f9d\u8d56\u8f83\u5f3a\u7684 token \u5728\u8bc4\u4f30\u6a21\u578b\u7684\u957f\u6587\u672c\u5904\u7406\u6027\u80fd\u65f6\u8d77\u5230\u5173\u952e\u4f5c\u7528\uff0c\u4f46\u8fd9\u7c7b token \u5728\u81ea\u7136\u6587\u672c\u4e2d\u53ea\u5360\u5c11\u6570\u3002\u8fd9\u8868\u660e\uff0c<strong>\u56f0\u60d1\u5ea6\u5931\u6548\u7684\u539f\u56e0\u5728\u4e8e\u5176\u5bf9\u6240\u6709 token \u8fdb\u884c\u5e73\u5747\u8ba1\u7b97\uff0c\u65e0\u6cd5\u5145\u5206\u5173\u6ce8\u8fd9\u4e9b\u4e0e\u957f\u6587\u672c\u80fd\u529b\u5173\u7cfb\u5bc6\u5207\u7684\u5173\u952e token<\/strong>\u3002<\/section>\n<section><\/section>\n<section>\u4e3a\u6b64\uff0c\u4ed6\u4eec\u5c06\u56f0\u60d1\u5ea6\u7684\u8ba1\u7b97\u9650\u5236\u5728\u957f\u6587\u672c\u7684\u5173\u952e token \u4e0a\uff0c\u4ece\u800c\u5b9a\u4e49\u51fa\u80fd\u591f\u53cd\u6620\u6a21\u578b\u957f\u6587\u672c\u5904\u7406\u80fd\u529b\u7684\u957f\u6587\u672c\u56f0\u60d1\u5ea6\uff08LongPPL\uff09\uff0c\u8be5\u6307\u6807\u8868\u73b0\u51fa\u4e0e\u957f\u6587\u672c\u4efb\u52a1\u6027\u80fd\u6781\u9ad8\u7684\u76f8\u5173\u6027 (\u5982\u56fe 1\uff08\u4e0b\uff09)\u3002\u6b64\u5916\uff0c\u4ed6\u4eec\u8fd8\u57fa\u4e8e\u8fd9\u4e00\u8bbe\u8ba1\u601d\u60f3\u63d0\u51fa\u957f\u6587\u672c\u4ea4\u53c9\u71b5\u635f\u5931\uff08LongCE\uff09\uff0c\u663e\u8457\u63d0\u5347\u4e86\u6a21\u578b\u901a\u8fc7\u5fae\u8c03\u589e\u5f3a\u957f\u6587\u672c\u5904\u7406\u80fd\u529b\u7684\u6548\u679c\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-ea19634a57a51aafd77904d33cac0403.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-ea19634a57a51aafd77904d33cac0403.png\"><\/a><\/section>\n<ul>\n<li>\n<p>\u8bba\u6587\u9898\u76ee: What is Wrong with Perplexity for Long-context Language Modeling?<\/p>\n<\/li>\n<li>\n<p>\u8bba\u6587\u5730\u5740: https:\/\/arxiv.org\/abs\/2410.23771<\/p>\n<\/li>\n<li>\n<p>\u4ee3\u7801\u5730\u5740: https:\/\/github.com\/PKU-ML\/LongPPL<\/p>\n<\/li>\n<\/ul>\n<section><\/section>\n<section><strong>\u5e76\u975e\u6240\u6709 token \u90fd\u53cd\u6620\u6a21\u578b\u957f\u6587\u672c\u80fd\u529b<\/strong><\/section>\n<section><\/section>\n<section>\u4e3a\u63a2\u8ba8\u56f0\u60d1\u5ea6\u5728\u957f\u6587\u672c\u4efb\u52a1\u4e2d\u5931\u6548\u7684\u539f\u56e0\uff0c\u4f5c\u8005\u9996\u5148\u5206\u6790\u4e86\u957f\u6587\u672c\u4e0e\u77ed\u6587\u672c\u5728\u672c\u8d28\u4e0a\u7684\u5dee\u5f02\u3002\u76f4\u89c2\u6765\u770b\uff0c\u4e00\u6bb5\u6587\u672c\u4e2d\u4e0d\u540c\u8bcd\u8bed\u5bf9\u957f\u8ddd\u79bb\u4e0a\u4e0b\u6587\u7684\u4f9d\u8d56\u7a0b\u5ea6\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u4f8b\u5982\uff0c\u5728\u5c0f\u8bf4\u4e2d\uff0c\u67d0\u4e2a\u60c5\u8282\u7684\u53d1\u5c55\u53ef\u80fd\u9700\u8981\u4e0e\u6570\u7ae0\u4e4b\u524d\u57cb\u4e0b\u7684\u4f0f\u7b14\u76f8\u547c\u5e94\uff0c\u800c\u67d0\u4e9b\u8bed\u6cd5\u4e0a\u7684\u56fa\u5b9a\u642d\u914d\u5219\u901a\u5e38\u65e0\u9700\u4f9d\u8d56\u8f83\u8fdc\u7684\u4e0a\u4e0b\u6587\u3002\u5728\u957f\u6587\u672c\u573a\u666f\u4e0b\uff0c\u8fd9\u79cd\u4f9d\u8d56\u7a0b\u5ea6\u7684\u5dee\u5f02\u8f83\u77ed\u6587\u672c\u66f4\u4e3a\u663e\u8457\u3002<\/section>\n<section><\/section>\n<section>\u4e3a\u4e86\u91cf\u5316\u5e76\u9a8c\u8bc1\u8fd9\u4e00\u76f4\u89c2\u8ba4\u8bc6\uff0c\u672c\u6587\u9996\u5148\u8003\u8651\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u4efb\u52a1\u573a\u666f\u2014\u2014LongEval \u957f\u6587\u672c\u952e\u503c\u5bf9\u68c0\u7d22\u4efb\u52a1\uff08\u56fe 2\uff08a\uff09\uff09\u3002\u5728\u6b64\u4efb\u52a1\u4e2d\uff0c\u6a21\u578b\u6839\u636e\u95ee\u9898\u5728\u957f\u4e0a\u4e0b\u6587\u4e2d\u68c0\u7d22\u51fa\u4e0e\u7ed9\u5b9a\u952e\u76f8\u5339\u914d\u7684\u503c\u3002\u672c\u6587\u5c06\u95ee\u9898\u7684\u6807\u51c6\u56de\u7b54\u5212\u5206\u4e3a\u975e\u7b54\u6848\u90e8\u5206\uff08\u84dd\u8272\uff09\u548c\u7b54\u6848\u90e8\u5206\uff08\u6a59\u8272\uff09\u3002\u663e\u7136\uff0c\u975e\u7b54\u6848\u90e8\u5206\u7684\u751f\u6210\u4ec5\u4f9d\u8d56\u77ed\u4e0a\u4e0b\u6587\uff0c\u5373\u6700\u540e\u7684\u95ee\u53e5\u5185\u5bb9\uff1b\u800c\u7b54\u6848\u90e8\u5206\u5219\u9700\u8981\u6a21\u578b\u805a\u7126\u4e8e\u5b8c\u6574\u7684\u957f\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002<\/section>\n<section><\/section>\n<section>\u56fe 2 (b)(c) \u8868\u660e\uff0c\u7b54\u6848\u90e8\u5206\u7684\u56f0\u60d1\u5ea6\u4e0e\u6a21\u578b\u5728\u6b64\u4efb\u52a1\u4e2d\u7684\u5b9e\u9645\u8868\u73b0\u9ad8\u5ea6\u76f8\u5173\uff0c\u800c\u975e\u7b54\u6848\u90e8\u5206\u7684\u56f0\u60d1\u5ea6\u51e0\u4e4e\u4e0e\u4efb\u52a1\u8868\u73b0\u65e0\u5173\u3002\u7531\u6b64\u53ef\u89c1\uff0c\u4f9d\u8d56\u957f\u4e0a\u4e0b\u6587\u4fe1\u606f\u7684\u5173\u952e token \u5728\u8bc4\u4f30\u6a21\u578b\u7684\u957f\u6587\u672c\u80fd\u529b\u65f6\u66f4\u52a0\u91cd\u8981\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-a08cd6a66265f2473c2dfd7fe156ca59.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-a08cd6a66265f2473c2dfd7fe156ca59.png\"><\/a><em><sup>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u56fe 2\uff08a\uff09LongEval \u4efb\u52a1\u793a\u610f\u56fe \uff08b\uff09(c) LongEval \u7684\u7b54\u6848 \/ \u975e\u7b54\u6848\u90e8\u5206\u7684\u56f0\u60d1\u5ea6\u4e0e\u4efb\u52a1\u8868\u73b0\u7684\u76f8\u5173\u6027\u3002<\/sup><\/em><\/section>\n<section><\/section>\n<section><strong>\u901a\u8fc7\u957f-\u77ed\u4e0a\u4e0b\u6587\u5bf9\u6bd4\u5728\u81ea\u7136\u6587\u672c\u4e2d\u5b9a\u4f4d\u5173\u952e token<\/strong><\/section>\n<section><\/section>\n<section>\u5728\u4e0a\u8ff0\u7ed3\u679c\u7684\u542f\u53d1\u4e0b\uff0c\u4e00\u4e2a\u81ea\u7136\u800c\u7136\u7684\u60f3\u6cd5\u662f\uff1a\u82e5\u5c06\u56f0\u60d1\u5ea6\u6307\u6807\u9650\u5b9a\u4e8e\u4f9d\u8d56\u957f\u4e0a\u4e0b\u6587\u4fe1\u606f\u7684\u5173\u952e token \u4e0a\uff0c\u4fbf\u53ef\u66f4\u6709\u6548\u5730\u8bc4\u4f30\u6a21\u578b\u5904\u7406\u957f\u6587\u672c\u7684\u80fd\u529b\u3002<\/section>\n<section><\/section>\n<section>\u7136\u800c\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\u5b58\u5728\u4e00\u4e2a\u6311\u6218\uff1a\u5728\u81ea\u7136\u6587\u672c\u4e2d\uff0c\u65e0\u6cd5\u50cf LongEval \u57fa\u51c6\u4e2d\u90a3\u6837\u660e\u786e\u6807\u6ce8\u54ea\u4e9b token \u4f9d\u8d56\u4e8e\u957f\u8ddd\u79bb\u4e0a\u4e0b\u6587\uff0c\u56e0\u6b64\u8feb\u5207\u9700\u8981\u4e00\u79cd\u6307\u6807\u6765\u81ea\u52a8\u8bc6\u522b\u8fd9\u4e9b\u5173\u952e token\u3002<\/section>\n<section><\/section>\n<section>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u957f-\u77ed\u4e0a\u4e0b\u6587\u5bf9\u6bd4\u7684\u65b9\u6cd5\u3002\u5177\u4f53\u800c\u8a00\uff0c\u672c\u6587\u5c06\u6bcf\u4e2a token x_i \u7684\u957f\u4e0a\u4e0b\u6587 l_i=(x_1,\u2026,x_(i-1)) \u622a\u65ad\u6210\u77ed\u4e0a\u4e0b\u6587 s_i=(x_(i-K),\u2026,x_(i-1))\uff0c\u7136\u540e\u8ba1\u7b97\u6a21\u578b \u03b8 \u5728\u957f \/ \u77ed\u4e0a\u4e0b\u6587\u4e0b\u751f\u6210\u540c\u4e00 token \u7684\uff08\u5bf9\u6570\uff09\u6982\u7387\u5dee\u8ddd (Long-short difference, LSD):<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-31fbd2e320ba6bcee608e60d0a68a840.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-31fbd2e320ba6bcee608e60d0a68a840.png\"><\/a><\/section>\n<section>\u8fd9\u4e00\u6307\u6807\u7528\u4e8e\u91cf\u5316\u957f\u4e0a\u4e0b\u6587\u5bf9\u6a21\u578b\u9884\u6d4b\u51c6\u786e\u5ea6\u7684\u63d0\u5347\u3002\u56fe 3 \u8868\u660e\uff0c\u5728 LongEval \u4efb\u52a1\u4e2d\uff0cLSD \u51e0\u4e4e\u80fd\u591f\u5b8c\u7f8e\u533a\u5206\u7b54\u6848\u90e8\u5206\u548c\u975e\u7b54\u6848\u90e8\u5206\u3002\u4e0e\u957f\u4e0a\u4e0b\u6587\u4fe1\u606f\u76f8\u5173\u7684\u7b54\u6848\u90e8\u5206 LSD \u503c\u666e\u904d\u5927\u4e8e 2\uff0c\u800c\u4e0e\u957f\u4e0a\u4e0b\u6587\u4fe1\u606f\u51e0\u4e4e\u65e0\u5173\u7684\u975e\u7b54\u6848\u90e8\u5206 LSD \u503c\u666e\u904d\u5728 &#8211; 0.5 \u5230 0.5 \u4e4b\u95f4\u3002\u8fd9\u4e00\u7ed3\u679c\u521d\u6b65\u9a8c\u8bc1\u4e86\u8be5\u6307\u6807\u5728\u5b9a\u4f4d\u5173\u952e token \u65b9\u9762\u7684\u6709\u6548\u6027\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-81375c110f1f0a4deec8637d99b7898b.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-81375c110f1f0a4deec8637d99b7898b.png\"><\/a><em><sup>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u56fe 3 LongEval \u6807\u51c6\u56de\u7b54\u4e2d\u4e0d\u540c\u7c7b\u578b\u7684 token \u6309 LSD \u5206\u7c7b\u7684\u5206\u5e03\u3002<\/sup><\/em><\/section>\n<section><\/section>\n<section>\u6b64\u5916\uff0c\u672c\u6587\u53d1\u73b0\u6a21\u578b\u57fa\u4e8e\u957f\u6587\u672c\u7684\uff08\u5bf9\u6570\uff09\u751f\u6210\u6982\u7387 (Long-context likelihood, LCL) \u4e5f\u6709\u52a9\u4e8e\u5b9a\u4f4d\u5173\u952e token\uff08\u5728\u6b64\u4e0d\u505a\u5c55\u5f00\uff09:<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-189cd7fe13db505abb978e46689ee3cd.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-189cd7fe13db505abb978e46689ee3cd.png\"><\/a><\/section>\n<section><strong>\u56f0\u60d1\u5ea6\u65e0\u6cd5\u53cd\u6620\u6a21\u578b\u957f\u6587\u672c\u80fd\u529b\u7684\u539f\u56e0<\/strong><\/section>\n<section><\/section>\n<section>\u8fdb\u4e00\u6b65\uff0c\u672c\u6587\u5728 GovReport \u653f\u5e9c\u62a5\u544a\u6570\u636e\u96c6\u4e0a\u8ba1\u7b97\u4e86\u6309 LSD \u5206\u7c7b\u7684 token \u5206\u5e03\u3002\u5982\u56fe 4 \u6240\u793a\uff0c\u5927\u90e8\u5206 token \u7684 LSD \u96c6\u4e2d\u5728 [-0.5, 0.5) \u8303\u56f4\u5185\uff0c\u800c LSD \u5927\u4e8e 2 \u7684 token \u5360\u6bd4\u4e0d\u5230 10%\u3002\u8fd9\u610f\u5473\u7740\u5728\u81ea\u7136\u6587\u672c\u4e2d\uff0c\u53ea\u6709\u975e\u5e38\u5c11\u6570\u7684 token \u4e0e\u957f\u4e0a\u4e0b\u6587\u4e2d\u7684\u4fe1\u606f\u6709\u5f3a\u76f8\u5173\u6027\uff0c\u800c\u7edd\u5927\u90e8\u5206\u7684 token \u53ea\u9700\u8981\u4f9d\u8d56\u77ed\u4e0a\u4e0b\u6587\u7684\u4fe1\u606f\u5373\u53ef\u751f\u6210\u3002<\/section>\n<section><\/section>\n<section>\u8fd9\u4e00\u7ed3\u679c\u8868\u660e\uff0c<strong>\u56f0\u60d1\u5ea6\u5728\u957f\u6587\u672c\u4e0a\u5931\u6548\u7684\u539f\u56e0\u5728\u4e8e\u5176\u5bf9\u6240\u6709 token \u8fdb\u884c\u5e73\u5747\u8ba1\u7b97\uff0c\u672a\u80fd\u5145\u5206\u5173\u6ce8\u957f\u6587\u672c\u4e2d\u8fd9\u4e9b\u5c11\u6570\u7684\u5173\u952etoken<\/strong>\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-92c0c3122d9a9aeab5d9469f45ff3452.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-92c0c3122d9a9aeab5d9469f45ff3452.png\"><\/a><em><sup>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u56fe 4 GovReport \u6570\u636e\u96c6\u4e2d token \u6309 LSD \u5206\u7c7b\u7684\u5206\u5e03\u3002<\/sup><\/em><\/section>\n<section><\/section>\n<section><strong>\u957f\u6587\u672c\u56f0\u60d1\u5ea6\u2014\u2014\u957f\u6587\u672c\u80fd\u529b\u8bc4\u4f30\u6307\u6807\u7684\u6539\u8fdb<\/strong><\/section>\n<section><\/section>\n<section>\u57fa\u4e8e\u4e0a\u8ff0\u5206\u6790\uff0c\u4e3a\u4e86\u514b\u670d\u4f20\u7edf\u56f0\u60d1\u5ea6\u6307\u6807\u5728\u957f\u6587\u672c\u573a\u666f\u4e0b\u7684\u5c40\u9650\u6027\uff0c\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u4e2a\u65b0\u7684\u8bc4\u4f30\u6307\u6807\u2014\u2014\u957f\u6587\u672c\u56f0\u60d1\u5ea6\uff08LongPPL\uff09\u3002\u5177\u4f53\u8bbe\u8ba1\u4e3a\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-d1fedb113396d19a52d98175fff31088.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-d1fedb113396d19a52d98175fff31088.png\"><\/a><\/section>\n<section>\u5176\u6838\u5fc3\u601d\u60f3\u5728\u4e8e\u901a\u8fc7 LSD \u548c LCL \u6307\u6807\uff0c\u5c06<strong>\u56f0\u60d1\u5ea6\u7684\u8ba1\u7b97\u9650\u5236\u5728\u957f\u6587\u672c\u7684\u5173\u952e token<\/strong> \u4e0a\uff0c\u4ece\u800c<strong>\u805a\u7126\u4e8e\u5173\u952e token \u7684\u9884\u6d4b\u8d28\u91cf<\/strong>\uff0c\u4ee5\u66f4\u51c6\u786e\u5730\u53cd\u6620\u6a21\u578b\u7684\u957f\u6587\u672c\u80fd\u529b\u3002<\/section>\n<section><\/section>\n<section>\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0c\u6a21\u578b\u5728\u81ea\u7136\u6587\u672c\u4e0a\u7684 LongPPL \u548c\u957f\u6587\u672c\u4efb\u52a1\u7684\u5b9e\u9645\u8868\u73b0\u9ad8\u5ea6\u76f8\u5173\u3002\u5982\u56fe 1\uff08\u4e0b\uff09\u6240\u793a\uff0c\u5728 GovReport \u6570\u636e\u96c6\u4e0a\uff0c9 \u4e2a\u4e3b\u6d41\u957f\u6587\u672c\u5927\u6a21\u578b\u7684 LongPPL \u4e0e\u5728 LongBench \u4efb\u52a1\u96c6\u4e0a\u8868\u73b0\u7684\u76ae\u5c14\u900a\u76f8\u5173\u7cfb\u6570\u8fbe\u5230\u4e86 &#8211; 0.96\u3002<\/section>\n<section><\/section>\n<section><strong>\u957f\u6587\u672c\u4ea4\u53c9\u71b5\u2014\u2014\u957f\u6587\u672c\u8bad\u7ec3\u65b9\u6cd5\u7684\u4f18\u5316<\/strong><\/section>\n<section><\/section>\n<section>\u9664\u4e86\u7528\u4e8e\u8bc4\u4f30\u957f\u6587\u672c\u80fd\u529b\u5916\uff0c\u672c\u6587\u8fd8\u57fa\u4e8e LongPPL \u7684\u601d\u60f3\u63d0\u51fa\u4e86\u4e00\u79cd\u6539\u8fdb\u7684\u8bad\u7ec3\u635f\u5931 \u2014\u2014 \u957f\u6587\u672c\u4ea4\u53c9\u71b5\uff08LongCE\uff09\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-06ce0282b3f8e7d45d4881a77eebaec8.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-06ce0282b3f8e7d45d4881a77eebaec8.png\"><\/a><\/section>\n<section>\u5728\u63d0\u5347\u6a21\u578b\u957f\u6587\u672c\u80fd\u529b\u7684\u5fae\u8c03\u8fc7\u7a0b\u4e2d\uff0cLongCE \u4f1a<strong>\u8d4b\u4e88\u5173\u952e token \u66f4\u9ad8\u7684\u6743\u91cd<\/strong>\uff0c\u4f7f\u5f97\u6a21\u578b\u5728\u8bad\u7ec3\u4e2d<strong>\u66f4\u52a0\u805a\u7126\u63d0\u5347\u8fd9\u4e9b\u5173\u952e token \u7684\u9884\u6d4b\u51c6\u786e\u6027<\/strong>\uff0c\u4ece\u800c\u589e\u5f3a\u6a21\u578b\u5728\u957f\u6587\u672c\u4efb\u52a1\u4e2d\u7684\u8868\u73b0\u3002<\/section>\n<section><\/section>\n<section>\u4e3a\u4e86\u9a8c\u8bc1 LongCE \u7684\u6709\u6548\u6027\uff0c\u7814\u7a76\u56e2\u961f\u5728 Llama-2-7b \u6a21\u578b\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u4e86\u591a\u7ec4\u5bf9\u6bd4\u5b9e\u9a8c\u3002<\/section>\n<section><\/section>\n<section>\u5b9e\u9a8c\u8bbe\u8ba1\u6db5\u76d6\u4e86\u4e0d\u540c\u7684\u8bad\u7ec3\u6570\u636e\u96c6\uff08\u5305\u62ec PG-19 \u4e66\u7c4d\u6570\u636e\u96c6\u548c Pile-arxiv \u8bba\u6587\u6570\u636e\u96c6\uff09\u4ee5\u53ca\u4e0d\u540c\u7684\u8bad\u7ec3\u65b9\u6cd5\uff08\u5305\u62ec\u71b5\u611f\u77e5\u57fa\u8c03\u6574 EABF \u548c\u4f4d\u7f6e\u63d2\u503c PI\uff0c\u5176\u4e2d EABF \u4e0e Deepseek-v3 \u91c7\u7528\u7684 YaRN \u63d2\u503c\u65b9\u6cd5\u76f8\u4f3c\uff09\u3002\u5b9e\u9a8c\u8bc4\u4f30\u91c7\u7528\u4e86 LongBench\u3001LongEval \u548c RULER \u8fd9\u4e09\u4e2a\u5e7f\u6cdb\u4f7f\u7528\u7684\u957f\u6587\u672c\u6d4b\u8bd5\u4efb\u52a1\u96c6\u3002<\/section>\n<section><\/section>\n<section>\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0c\u5728\u5404\u79cd\u5b9e\u9a8c\u8bbe\u5b9a\u4e0b\uff0c\u91c7\u7528 LongCE 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\u53ef\u4ee5\u4e0e\u8fd9\u4e9b\u65b9\u6cd5\u5b9e\u73b0\u65e0\u7f1d\u7ed3\u5408\uff0c\u5c55\u73b0\u51fa\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\u548c\u5f3a\u5927\u7684\u6027\u80fd\u63d0\u5347\u6f5c\u529b\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-d43b9d7504dda4786ddec862333b1f43.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/03\/frc-d43b9d7504dda4786ddec862333b1f43.png\"><\/a><em><sup>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u8868 2 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