{"id":38869,"date":"2025-02-24T21:01:36","date_gmt":"2025-02-24T13:01:36","guid":{"rendered":"https:\/\/17aitech.com\/?p=38869"},"modified":"2025-02-24T21:01:36","modified_gmt":"2025-02-24T13:01:36","slug":"%e7%a8%80%e7%96%8f%e6%b3%a8%e6%84%8f%e5%8a%9b%e5%86%8d%e6%b7%bb%e4%b8%80%e5%91%98%ef%bc%8c%e5%8d%8e%e4%b8%ba%e8%af%ba%e4%ba%9a%e6%8e%a8%e5%87%ba%e9%ab%98%e6%95%88%e9%80%89%e6%8b%a9%e6%b3%a8%e6%84%8f","status":"publish","type":"post","link":"https:\/\/17aitech.com\/?p=38869","title":{"rendered":"\u7a00\u758f\u6ce8\u610f\u529b\u518d\u6dfb\u4e00\u5458\uff0c\u534e\u4e3a\u8bfa\u4e9a\u63a8\u51fa\u9ad8\u6548\u9009\u62e9\u6ce8\u610f\u529b\u67b6\u6784ESA"},"content":{"rendered":"<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:<a href=\"https:\/\/www.jiqizhixin.com\/articles\/2025-02-24-12\" target=\"_blank\">\u7a00\u758f\u6ce8\u610f\u529b\u518d\u6dfb\u4e00\u5458\uff0c\u534e\u4e3a\u8bfa\u4e9a\u63a8\u51fa\u9ad8\u6548\u9009\u62e9\u6ce8\u610f\u529b\u67b6\u6784ESA<\/a><\/p>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0f6931fc73fc088c01785f2cd7a44c76.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0f6931fc73fc088c01785f2cd7a44c76.png\"><\/a><\/section>\n<blockquote data-author-name=\"\" data-content-utf8-length=\"166\" data-source-title=\"\" data-type=\"2\" data-url=\"\">\n<section>\n<section>AIxiv\u4e13\u680f\u662f\u673a\u5668\u4e4b\u5fc3\u53d1\u5e03\u5b66\u672f\u3001\u6280\u672f\u5185\u5bb9\u7684\u680f\u76ee\u3002\u8fc7\u53bb\u6570\u5e74\uff0c\u673a\u5668\u4e4b\u5fc3AIxiv\u4e13\u680f\u63a5\u6536\u62a5\u9053\u4e862000\u591a\u7bc7\u5185\u5bb9\uff0c\u8986\u76d6\u5168\u7403\u5404\u5927\u9ad8\u6821\u4e0e\u4f01\u4e1a\u7684\u9876\u7ea7\u5b9e\u9a8c\u5ba4\uff0c\u6709\u6548\u4fc3\u8fdb\u4e86\u5b66\u672f\u4ea4\u6d41\u4e0e\u4f20\u64ad\u3002\u5982\u679c\u60a8\u6709\u4f18\u79c0\u7684\u5de5\u4f5c\u60f3\u8981\u5206\u4eab\uff0c\u6b22\u8fce\u6295\u7a3f\u6216\u8005\u8054\u7cfb\u62a5\u9053\u3002\u6295\u7a3f\u90ae\u7bb1\uff1aliyazhou@jiqizhixin.com\uff1bzhaoyunfeng@jiqizhixin.com<\/section>\n<\/section>\n<\/blockquote>\n<section><\/section>\n<section>\u5f53 DeepSeek \u7684 NSA \u4e0e\u6708\u4e4b\u6697\u9762\u7684 MoBA \u4ee5\u7a00\u758f\u6ce8\u610f\u529b\u6380\u8d77\u957f\u5e8f\u5217\u6280\u672f\u70ed\u6f6e\uff0c\u884c\u4e1a\u5bf9 \u201c\u6548\u7387\u9769\u547d\u201d \u7684\u8ffd\u9010\u8fce\u6765\u5173\u952e\u4e00\u8dc3 \u2014\u2014 <strong>\u534e\u4e3a\u8bfa\u4e9a\u65b9\u821f\u5b9e\u9a8c\u5ba4\u6b63\u5f0f\u53d1\u5e03\u5168\u65b0 ESA \u7b97\u6cd5\uff08Efficient Selective Attention\uff09\u3002<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-be8a71ebea89e8077b1533098e3e43a6.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-be8a71ebea89e8077b1533098e3e43a6.png\"><\/a><\/section>\n<section>\u8bba\u6587\u5730\u5740\uff1ahttps:\/\/arxiv.org\/pdf\/2502.14477<\/section>\n<section><\/section>\n<section>\u901a\u8fc7\u7a00\u758f\u5316\u6ce8\u610f\u529b\u7684\u521b\u65b0\u8bbe\u8ba1\uff0cESA \u7a81\u7834\u4e86\u5927\u6a21\u578b\u5728\u957f\u6587\u672c\u5904\u7406\u4e2d\u7684\u74f6\u9888\u3002ESA \u4e0d\u4ec5\u5b9e\u73b0\u4e86\u6570\u500d\u5e8f\u5217\u957f\u5ea6\u7684\u62d3\u5c55\uff0c\u8fd8\u5f15\u5165\u72ec\u521b\u7684\u52a8\u6001\u8ba1\u7b97\u8303\u5f0f\uff0c\u7ed3\u5408\u90bb\u57df\u5f71\u54cd\u529b\u6709\u6548\u907f\u514d\u4e86\u5355\u7eaf\u9009\u62e9 top-ranked token \u6240\u5e26\u6765\u7684\u6027\u80fd\u635f\u5931\u3002\u901a\u8fc7\u5bf9\u5173\u952e token \u7684\u7cbe\u786e\u9009\u62e9\uff0cESA \u5728\u4f18\u5316\u957f\u5e8f\u5217\u5904\u7406\u6548\u7387\u7684\u540c\u65f6\uff0c\u63d0\u5347\u4e86\u8ba1\u7b97\u6027\u80fd\uff0c\u4e3a\u5927\u6a21\u578b\u5728\u957f\u5e8f\u5217\u4efb\u52a1\u4e2d\u7684\u5e94\u7528\u5e26\u6765\u4e86\u65b0\u7684\u53ef\u80fd\u6027\u3002<\/section>\n<section><\/section>\n<section>\u5728\u5927\u8bed\u8a00\u6a21\u578b\u7684\u63a8\u7406\u8fc7\u7a0b\u4e2d\uff0c\u957f\u5e8f\u5217\u6a21\u578b\u7684\u8bad\u7ec3\u9700\u8981\u6781\u9ad8\u7684\u7b97\u529b\u548c\u6d77\u91cf\u6570\u636e\u652f\u6301\uff0c\u7406\u60f3\u7684\u89e3\u51b3\u65b9\u6848\u662f\u901a\u8fc7\u77ed\u5e8f\u5217\u7684\u8bad\u7ec3\u6210\u679c\u5916\u63a8\u5230\u957f\u5e8f\u5217\u3002\u7136\u800c\uff0c\u968f\u7740\u5e8f\u5217\u957f\u5ea6\u7684\u589e\u52a0\uff0c\u6ce8\u610f\u529b\u8ba1\u7b97\u7684\u590d\u6742\u5ea6\u5448\u5e73\u65b9\u7ea7\u589e\u957f\uff0c\u8fd9\u4f7f\u5f97\u9ad8\u6548\u4e14\u51c6\u786e\u7684\u957f\u5e8f\u5217\u63a8\u7406\u6210\u4e3a\u4e86\u4e00\u5927\u6311\u6218\u3002\u4e3a\u6b64\uff0c\u7814\u7a76\u4eba\u5458\u63d0\u51fa\u4e86\u591a\u79cd\u65b9\u6cd5\uff0c\u4ee5\u5e94\u5bf9\u8fd9\u4e00\u6311\u6218\u3002<\/section>\n<section><\/section>\n<section>ESA \u65b9\u6848\u6b63\u662f\u5728\u8fd9\u4e00\u80cc\u666f\u4e0b\u63d0\u51fa\u7684\u521b\u65b0\u5916\u63a8\u89e3\u51b3\u65b9\u6848\u3002ESA \u901a\u8fc7\u5bf9 query \u548c key \u7684\u4f4e\u7ef4\u538b\u7f29\uff0c\u6709\u6548\u51cf\u5c11\u4e86 token \u9009\u62e9\u7684\u8ba1\u7b97\u590d\u6742\u5ea6\u3002<strong>\u8be5\u65b9\u6848\u901a\u8fc7\u7075\u6d3b\u9ad8\u6548\u5730\u9009\u62e9\u5173\u952e token \u8fdb\u884c\u6ce8\u610f\u529b\u8ba1\u7b97\uff0c\u5927\u5e45\u5ea6\u964d\u4f4e\u4e86 LLMs \u5728\u5904\u7406\u957f\u6587\u672c\u65f6\u7684\u8ba1\u7b97\u8d1f\u62c5\uff0c\u4e14\u5728\u6027\u80fd\u4e0a\u4e0e\u5168\u6ce8\u610f\u529b\u5916\u63a8\u65b9\u6cd5\u76f8\u5f53\uff0c\u751a\u81f3\u5728\u9ad8\u500d\u5916\u63a8\u573a\u666f\u4e0b\u4f18\u4e8e\u5168\u6ce8\u610f\u529b\u7b97\u6cd5\uff0c\u5b9e\u73b0\u4e86\u4e0a\u4e0b\u6587\u957f\u5ea6\u7684\u6709\u6548\u6269\u5c55\u3002<\/strong><\/section>\n<section><\/section>\n<section><strong>1. \u9ad8\u6548\u5916\u63a8<\/strong><\/section>\n<section><\/section>\n<section>\u5f53\u5927\u6a21\u578b\u8bad\u7ec3\u957f\u5ea6\u6709\u9650\uff0c\u968f\u7740\u5e8f\u5217\u957f\u5ea6\u7684\u589e\u957f\uff0c\u4e00\u65b9\u9762\u4f1a\u51fa\u73b0 OOD (out-of-distribution) \u7684\u95ee\u9898\uff0c\u53e6\u4e00\u65b9\u9762\u6ce8\u610f\u529b\u8ba1\u7b97\u91cf\u4f1a\u8fc5\u901f\u589e\u5927\u3002\u73b0\u6709\u7684\u7814\u7a76\u8868\u660e\uff0c\u6ce8\u610f\u529b\u77e9\u9635\u5177\u6709\u7a00\u758f\u6027\uff0c\u5bf9\u4e8e\u957f\u5e8f\u5217\u800c\u8a00\uff0c\u7a00\u758f\u7a0b\u5ea6\u8fdb\u4e00\u6b65\u6269\u5927\u3002\u9009\u62e9\u6027\u6ce8\u610f\u529b\uff08Selective Attention\uff09\u5229\u7528\u4e86\u7a00\u758f\u6027\u8fd9\u4e00\u7279\u6027\uff0c\u9009\u62e9\u90e8\u5206 token \u6765\u8ba1\u7b97\u6ce8\u610f\u529b\uff0c\u7ed3\u5408\u5916\u63a8\u7684\u4f4d\u7f6e\u7f16\u7801\u80fd\u5c06\u77ed\u5e8f\u5217\u6a21\u578b\u5e94\u7528\u5230\u957f\u5e8f\u5217\u4efb\u52a1\u4e0a\u7684\u540c\u65f6\uff0c\u663e\u8457\u964d\u4f4e\u8ba1\u7b97\u91cf\u3002\u5728\u8ba1\u7b97\u7a00\u758f\u6ce8\u610f\u529b\u65f6\u7ec6\u7c92\u5ea6\u7684 token \u9009\u62e9\u65b9\u6cd5\u80fd\u591f\u66f4\u52a0\u7075\u6d3b\u3001\u7cbe\u51c6\u5730\u5b9a\u4f4d\u5230\u5173\u952e\u4fe1\u606f\u3002\u7136\u800c\uff0ctoken \u7c92\u5ea6\u9009\u62e9\u4f1a\u5f15\u5165\u5de8\u5927\u7684\u8ba1\u7b97\u5f00\u9500\u3002\u8fd9\u5f15\u51fa\u4e86\u4e00\u4e2a\u6838\u5fc3\u7684\u95ee\u9898\uff1a\u5982\u4f55\u5728\u9009\u62e9\u6027\u6ce8\u610f\u529b\u65b9\u6cd5\u4e2d\u5e73\u8861\u7075\u6d3b\u6027\u4e0e\u6548\u7387\u3002\u9488\u5bf9\u8fd9\u4e00\u6311\u6218\uff0cESA \u65b9\u6cd5\u901a\u8fc7\u5c06 query \u548c key \u8fdb\u884c\u4f4e\u7ef4\u538b\u7f29\uff0c\u663e\u8457\u964d\u4f4e token \u9009\u62e9\u7684\u8ba1\u7b97\u590d\u6742\u5ea6\uff0c\u5728\u5916\u63a8\u573a\u666f\u4e0b\u5b9e\u73b0 token \u7c92\u5ea6\u52a8\u6001\u7a00\u758f\u6ce8\u610f\u529b\u673a\u5236\u3002<\/section>\n<section><\/section>\n<section>\u5177\u4f53\u800c\u8a00\uff0cESA \u5305\u62ec\u4ee5\u4e0b\u4e24\u4e2a\u6838\u5fc3\u6b65\u9aa4\uff1a<\/section>\n<section><\/section>\n<section>\u9ad8\u6548\u9009\u62e9\uff1aESA \u5f15\u5165\u4e86\u4e00\u79cd\u57fa\u4e8e query \u611f\u77e5\u7684 token \u7c92\u5ea6\u9009\u62e9\u673a\u5236\uff0c\u57fa\u4e8e\u538b\u7f29\u540e\u7684 query \u548c key \u8ba1\u7b97 token \u7684\u91cd\u8981\u6027\u5206\u6570\uff0c\u540c\u65f6\u8003\u8651\u5468\u56f4 token \u7684\u5f71\u54cd\uff08\u90bb\u8ddd\u5f71\u54cd\u529b\uff09\uff0c\u4ee5\u907f\u514d\u76f4\u63a5\u9009\u62e9 top-ranked token \u5bfc\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/section>\n<section><\/section>\n<section>\u6ce8\u610f\u529b\u8ba1\u7b97\uff1a\u5728\u9009\u62e9\u5173\u952e token \u540e\uff0cESA \u4f7f\u7528\u88ab\u9009\u4e2d\u7684 token \u7684\u5b8c\u6574\u7684 query \u548c key \u8fdb\u884c\u6ce8\u610f\u529b\u8ba1\u7b97\uff0c\u800c\u975e\u5bf9\u6240\u6709\u524d\u5e8f token \u8fdb\u884c\u8ba1\u7b97\uff0c\u4ece\u800c\u5927\u5e45\u964d\u4f4e\u590d\u6742\u5ea6\u3002<\/section>\n<section><\/section>\n<section><strong>2.ESA\uff1a\u57fa\u4e8e token \u7c92\u5ea6\u7684\u9ad8\u6548\u9009\u62e9\u6027\u6ce8\u610f\u529b<\/strong><\/section>\n<section><\/section>\n<section>ESA \u7684\u4e3b\u8981\u521b\u65b0\u70b9\u5728\u4e8e\u901a\u8fc7 token \u7c92\u5ea6\u9009\u62e9\u6027\u6ce8\u610f\u529b\u673a\u5236\uff0c\u5728\u4fdd\u6301\u6a21\u578b\u51c6\u786e\u7387\u7684\u540c\u65f6\u663e\u8457\u964d\u4f4e\u8ba1\u7b97\u590d\u6742\u5ea6\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u4e0e\u73b0\u6709\u7684\u957f\u5e8f\u5217\u5916\u63a8\u65b9\u6cd5\u4e0d\u540c\uff0cESA \u63d0\u51fa\u4e86\u4e00\u79cd\u57fa\u4e8e token \u7684\u7ec6\u7c92\u5ea6\u9009\u62e9\u6ce8\u610f\u529b\uff0c\u80fd\u591f\u5728 prefilling \u548c decoding \u9636\u6bb5\u52a8\u6001\u9009\u62e9\u6700\u5173\u952e\u7684\u5c11\u91cf token\uff0c\u800c\u4e0d\u662f\u56fa\u5b9a block \u9009\u62e9\u6216\u8005\u6c38\u4e45\u4e22\u5f03\u4e0d\u91cd\u8981\u7684 token\u3002\u9996\u5148\uff0cESA \u5c06 query \u548c key \u7ecf\u8fc7\u7b80\u5355\u7684\u4e00\u5c42 MLP \u538b\u7f29\u5230\u539f\u6709\u7ef4\u5ea6\u7684\u5927\u7ea6 3.2%\uff0c\u5728\u4f4e\u7ef4\u7a7a\u95f4\u8ba1\u7b97\u91cd\u8981\u6027\u5206\u6570\uff0c\u663e\u8457\u964d\u4f4e\u8ba1\u7b97\u590d\u6742\u5ea6\uff1b\u5176\u6b21\uff0c\u6839\u636e\u91cd\u8981\u6027\u5206\u6570\u9009\u62e9 topk \u7684 token\uff0c\u63a7\u5236 key \u7684\u957f\u5ea6\u662f\u56fa\u5b9a\u7684\uff0c\u8fd9\u6837\u5c06\u6ce8\u610f\u529b\u8ba1\u7b97\u7531\u539f\u6709\u7684\u5e73\u65b9\u590d\u6742\u5ea6\u964d\u4f4e\u4e3a\u7ebf\u6027\u590d\u6742\u5ea6\u3002\u867d\u7136\u9009\u62e9 token \u662f\u5e73\u65b9\u590d\u6742\u5ea6\uff0c\u4f46\u662f\u7531\u4e8e\u5c06 query \u548c key \u538b\u7f29\u5230\u4e86\u66f4\u4f4e\u7ef4\u7684\u7a7a\u95f4\uff0c\u4f7f\u5f97\u5bf9\u4e8e\u7b97\u529b\u8981\u6c42\u5927\u5927\u964d\u4f4e\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-658b0e818e7b1de1839938a15d85aa2a.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-658b0e818e7b1de1839938a15d85aa2a.png\"><\/a><\/section>\n<section><em><sup>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ESA \u7b97\u6cd5\u793a\u610f\u56fe<\/sup><\/em><\/section>\n<section><\/section>\n<section>ESA \u7684\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u5982\u4e0b\uff1a\u8f93\u5165\u5e8f\u5217\u7684 token \u88ab\u5206\u4e3a 4 \u90e8\u5206\uff0c\u6ce8\u610f\u529b\u5305\u62ec\u5168\u5c40\u6ce8\u610f\u529b\u548c window \u7684\u5c40\u90e8\u6ce8\u610f\u529b\uff0c\u521d\u59cb token \u548c ESA \u9009\u62e9\u7684 topk \u4e2d\u95f4 token \u62fc\u63a5\u8d77\u6765\u8ba1\u7b97\u5168\u5c40\u6ce8\u610f\u529b\uff0clocaltoken \u7528\u4e8e\u8ba1\u7b97 window \u7684\u6ce8\u610f\u529b\uff0c\u4e24\u90e8\u5206\u6ce8\u610f\u529b\u8fdb\u884c\u878d\u5408\u8ba1\u7b97\u6700\u7ec8\u7684\u6ce8\u610f\u529b\u3002ESA \u6309\u7167 chunked-prefill \u7f13\u5b58 key \u548c value\uff0c\u5373\u57fa\u4e8e\u5f53\u524d chunk \u7684 query \u9009\u62e9\u91cd\u8981\u7684\u4e2d\u95f4 tokens\uff0c\u8ba1\u7b97 token \u7684\u91cd\u8981\u6027\u65f6\u517c\u987e\u5f53\u524d\u7684\u6240\u6709 query\uff1b\u5728\u89e3\u7801\u9636\u6bb5\uff0c\u53ea\u9700\u8981\u8003\u8651\u5f53\u524d\u7684\u4e00\u4e2a token \u7684 query \u5373\u53ef\u3002\u5982\u679c\u8ba1\u7b97\u4e2d\u95f4\u67d0\u4e2a token \u91cd\u8981\u6027\uff0c\u9700\u8981\u8ba1\u7b97\u548c\u5f53\u524d\u6240\u6709 token \u7684\u91cd\u8981\u6027\uff0c\u5176\u4e2d\u5355\u4e2a token \u7684\u91cd\u8981\u6027\u7528 query \u548c key \u7684\u70b9\u79ef\u8868\u793a\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-4a5b458a658b4eb9246e11617cb3c387.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-4a5b458a658b4eb9246e11617cb3c387.png\"><\/a><\/section>\n<section>\u8fd9\u91cc H \u662f head \u7684\u6570\u91cf\uff0c\u4e3a\u4e86\u964d\u4f4e\u590d\u6742\u5ea6 ESA \u6574\u5408\u4e86\u6240\u6709\u7684 head\u3002\u4e3a\u4e86\u8fdb\u4e00\u6b65\u964d\u4f4e\u8ba1\u7b97\u590d\u6742\u5ea6\uff0c\u4e0d\u8981\u6c42\u51c6\u786e\u8ba1\u7b97\u91cd\u8981\u6027\u5206\u6570\uff0c\u800c\u662f\u66f4\u5173\u6ce8\u76f8\u5bf9\u5927\u5c0f\uff0cESA \u5c06 query \u548c key \u5206\u522b\u901a\u8fc7\u4e00\u5c42 MLP \u8fdb\u884c\u538b\u7f29\u3002ESA \u91c7\u53d6 offline \u7684\u65b9\u5f0f\u5b66\u4e60 MLP \u7684\u6743\u91cd\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-2dd4a7c952b4d0c47600d815f8fd6894.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-2dd4a7c952b4d0c47600d815f8fd6894.png\"><\/a><\/section>\n<section>ESA \u4f7f\u7528\u4e00\u4e2a\u5c0f\u7684\u6821\u51c6\u6570\u636e\u96c6\u7528\u6a21\u578b\u8fdb\u884c\u63a8\u7406\uff0c\u4fdd\u5b58\u4e2d\u95f4\u7684 query\u3001key \u548c value\uff0c\u7528\u4e8e\u8bad\u7ec3\u964d\u7ef4 MLP\uff0c\u53ea\u589e\u52a0\u4e86\u6781\u5c11\u91cf\u7684\u964d\u4f4e query \u548c key \u5927\u5c0f\u7684\u7f51\u7edc\u6743\u91cd\uff0c\u4e14\u65e0\u9700\u5bf9\u6a21\u578b\u5fae\u8c03\u3002<\/section>\n<section><\/section>\n<section>\u4e3a\u4e86\u786e\u4fdd\u5206\u6570\u7684\u76f8\u5bf9\u5927\u5c0f\uff0c\u907f\u514d\u67d0\u4e2a token \u5728\u91cd\u8981\u6027\u5206\u6570\u4e2d\u5360\u636e\u4e3b\u5bfc\u5730\u4f4d\uff0cESA \u5bf9\u5206\u6570\u8fdb\u884c\u4fee\u6b63\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-8637e479c71b2671b7ee4b6796521097.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-8637e479c71b2671b7ee4b6796521097.png\"><\/a><\/section>\n<section>\u8fdb\u4e00\u6b65\u7684\uff0c\u4f5c\u8005\u53d1\u73b0\u4ec5\u9009\u62e9 topk \u7684 token \u6a21\u578b\u5728\u5927\u6d77\u635e\u9488\u4efb\u52a1\u4e2d\u53ea\u80fd\u68c0\u7d22\u5230\u90e8\u5206\u4fe1\u606f\uff0c\u63d0\u51fa\u4e86\u90bb\u8ddd\u5f71\u54cd\u529b\u7684\u6982\u5ff5\uff0c\u5373\u5bf9\u4e8e\u67d0\u4e2a\u4e2d\u95f4\u7684 token\uff0c\u5176\u91cd\u8981\u6027\u5206\u6570\u4e0d\u4ec5\u53d6\u51b3\u4e8e\u81ea\u8eab\u7684\u5206\u6570\uff0c\u8fd8\u53d7\u5230\u5468\u56f4 token \u7684\u5f71\u54cd\uff0c\u66f4\u65b0\u540e\u7684\u5206\u6570\u4e3a\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-9231aab6986c2f9f7a1ddc7fe822d673.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-9231aab6986c2f9f7a1ddc7fe822d673.png\"><\/a><\/section>\n<section>\u5728\u9009\u62e9\u5b8c\u91cd\u8981 token \u540e\uff0cESA \u4f7f\u7528\u5b8c\u6574\u7684 query\u3001key \u548c value \u8ba1\u7b97\u6ce8\u610f\u529b\uff0c\u6700\u7ec8\u7684\u6ce8\u610f\u529b\u8f93\u51fa\u5982\u4e0b\u6240\u793a\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-5ecb9b6b92f20e6a7acb4a1067743d84.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-5ecb9b6b92f20e6a7acb4a1067743d84.png\"><\/a><\/section>\n<section>ESA \u7684\u8ba1\u7b97\u590d\u6742\u5ea6\u964d\u4f4e\u4e3b\u8981\u6765\u6e90\u4e8e\u4f4e\u7ef4\u7684 query \u548c key \u8ba1\u7b97\u91cd\u8981\u6027\u5206\u6570\u4ee5\u53ca\u9009\u62e9\u5b8c\u6210\u4ee5\u540e\u7684\u7ebf\u6027\u6ce8\u610f\u529b\u8ba1\u7b97\u590d\u6742\u5ea6\uff0c\u7ecf\u8fc7\u7406\u8bba\u8ba1\u7b97\uff0c\u4e00\u6b65 attention \u8ba1\u7b97\u5728\u957f\u5e8f\u5217\u573a\u666f\u4e0b\u80fd\u964d\u4f4e\u4e3a\u539f\u6709\u7684\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-65996f5c62056d496c8a59c66d6b51c3.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-65996f5c62056d496c8a59c66d6b51c3.png\"><\/a><\/section>\n<section>\u5b9e\u9645\u5b9e\u9a8c\u4e2d\u6211\u4eec\u5c06 query \u548c key \u538b\u7f29\u4e3a\u539f\u6709\u7684 3.2%\uff0c\u4e00\u6b65 attention \u8ba1\u7b97\u91cf\u5728\u8f93\u5165\u5e8f\u5217\u8db3\u591f\u957f\u65f6\u7406\u8bba\u80fd\u964d\u4f4e\u81f3 1.6% \u5de6\u53f3\u3002<\/section>\n<section><\/section>\n<section><strong>3. \u5b9e\u9a8c\u7ed3\u679c<\/strong><\/section>\n<section><\/section>\n<section>\u8bba\u6587\u9009\u62e9\u5f00\u6e90\u8bad\u7ec3\u96c6 Pile \u7684 2 \u6761 Books3 \u6837\u672c\u6536\u96c6\u7528\u4e8e\u8bad\u7ec3\u964d\u7ef4 MLP \u7684 qk \u6837\u672c\uff0cquery \u548c key \u4ece 4096 \u538b\u7f29\u4e3a 128\uff0c\u538b\u7f29\u6bd4\u4f8b\u7ea6\u4e3a l3.2%\uff0c\u6ce8\u610f\u529b\u8ba1\u7b97\u7684\u7a97\u53e3\u957f\u5ea6\u7ea6\u4e3a 6k\u3002\u4e3a\u4e86\u5c06\u5f00\u6e90\u7684\u77ed\u5e8f\u5217\u6a21\u578b\u5e94\u7528\u5230\u957f\u5e8f\u5217\u4e2d\uff0cESA \u6cbf\u7528\u4e86 Infllm \u7684\u5916\u63a8\u4f4d\u7f6e\u7f16\u7801\u8bbe\u7f6e\uff0c\u4f7f\u7528 Llama-3-8B-Instruct \u548c Mistral-7B-Instruct-v0.2\uff0c\u5728\u591a\u4e2a\u516c\u5f00\u7684\u957f\u5e8f\u5217\u57fa\u51c6\u6d4b\u8bd5\u4e2d\u9a8c\u8bc1\u4e86 ESA \u7684\u6027\u80fd\uff0c\u5305\u62ec Longbench\u3001InfiniteBench\u3001NeedleBench \u7b49\u3002\u4f5c\u8005\u5bf9\u6bd4\u4e86 full attention \u7684\u5916\u63a8\u65b9\u6cd5\u548c\u540c\u7c7b\u578b\u7684\u57fa\u4e8e window \u7684\u5916\u63a8\u65b9\u6cd5\uff0c\u4e14\u540c\u7c7b\u578b\u65b9\u6cd5\u7684 window \u957f\u5ea6\u4e00\u81f4\u3002\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0cESA \u901a\u8fc7\u9ad8\u6548\u7075\u6d3b\u9009\u62e9\u91cd\u8981\u7684 token\uff0c\u603b\u4f53\u6027\u80fd\u5728\u5916\u63a8\u500d\u6570\u8db3\u591f\u5927\u65f6\u5019\u4f18\u4e8e full attention \u7684\u65b9\u6cd5\uff0c\u4e14\u5747\u660e\u663e\u4f18\u4e8e\u540c\u7c7b\u578b\u7684\u65b9\u6cd5\uff0c\u5c24\u5176\u5728 multi needles \u68c0\u7d22\u573a\u666f\u4e0b\u4f8b\u5982\u6570\u661f\u661f\u548c NeedleBench\uff0c\u5728\u5176\u4ed6\u540c\u7c7b\u578b\u65b9\u6cd5\u5931\u6548\u7684\u65f6\u5019\uff0cESA \u4ecd\u7136\u6709\u8f83\u9ad8\u7684\u51c6\u786e\u7387\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-f9b7ced0f49aaf897146f840752cc334.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-f9b7ced0f49aaf897146f840752cc334.png\"><\/a><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-64f7546f1a8a81eccacc00975fd1716d.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-64f7546f1a8a81eccacc00975fd1716d.png\"><\/a><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-bef6655a3acc51edd8a6f30b2c70605f.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-bef6655a3acc51edd8a6f30b2c70605f.png\"><\/a><\/section>\n<section>ESA \u4e0d\u5bf9\u6bcf\u4e2a head \u5355\u72ec\u9009\u62e9 token\uff0c\u800c\u662f\u5c06\u6240\u6709 head \u6574\u5408\u5230\u4e00\u8d77\u8ba1\u7b97\u91cd\u8981\u6027\u5206\u6570\uff0c\u6709\u5229\u4e8e\u964d\u4f4e\u8ba1\u7b97\u590d\u6742\u5ea6\uff0c\u63d0\u5347\u6548\u7387\uff0c\u4e3a\u4e86\u9a8c\u8bc1\u8fd9\u4e00\u64cd\u4f5c\u5bf9\u7b97\u6cd5\u7684\u5f71\u54cd\uff0c\u4f5c\u8005\u505a\u7684\u5bf9\u6bd4\u5b9e\u9a8c\u5982\u4e0b\u6240\u793a\uff0c\u53ef\u4ee5\u770b\u51fa\u8fd9\u6837\u7684\u6574\u5408\u5bf9\u4e8e\u7b97\u6cd5\u5f71\u54cd\u6709\u9650\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-f13c24a0b1282ef218089447162081bd.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-f13c24a0b1282ef218089447162081bd.png\"><\/a><\/section>\n<section>\u8bba\u6587\u7814\u7a76\u4e86\u90bb\u8ddd\u5f71\u54cd\u529b\u7684\u8d85\u53c2\u6570\u5f71\u54cd\uff0c\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff0c\u5bf9\u4e0d\u540c\u7684\u6d4b\u8bc4\u96c6\u8be5\u53c2\u6570\u7684\u5f71\u54cd\u4e0d\u540c\uff0c\u53d6\u503c\u8f83\u5c0f\u6709\u5229\u4e8e multi needles \u7c7b\u578b\u7684\u68c0\u7d22\u4efb\u52a1\uff0c\u53d6\u503c\u8f83\u5927\u5219\u6709\u5229\u4e8e single needle \u7c7b\u578b\u4efb\u52a1\uff0c\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u5355\u9488\u68c0\u7d22\u4efb\u52a1\u53ea\u9700\u8981\u5173\u6ce8 ground truth \u6240\u5728\u7684\u7247\u6bb5\u5373\u53ef\uff0c\u589e\u5927\u90bb\u8ddd\u5f71\u54cd\u529b\u6709\u5229\u4e8e attention \u96c6\u4e2d\u5230\u8f83\u957f\u7684\u7247\u6bb5\u4e0a\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-6aac0fdb164cdea2b339754d5bbf20ff.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-6aac0fdb164cdea2b339754d5bbf20ff.png\"><\/a><\/section>\n<section><strong>4. \u603b\u7ed3<\/strong><\/section>\n<section><\/section>\n<section>ESA \u6709\u6548\u5e73\u8861\u4e86\u957f\u5e8f\u5217\u5916\u63a8\u573a\u666f\u4e0b\u7684\u9009\u62e9\u6027\u6ce8\u610f\u529b\u4e2d\u7684\u7075\u6d3b\u6027\u548c\u8ba1\u7b97\u6548\u7387\uff0c\u7528\u4e8e\u5728\u4e0d\u8fdb\u884c\u6a21\u578b\u53c2\u6570\u589e\u91cf\u5fae\u8c03\u7684\u60c5\u51b5\u4e0b\u6269\u5c55\u4e0a\u4e0b\u6587\u957f\u5ea6\u3002ESA \u7684\u6838\u5fc3\u601d\u60f3\u662f\u5728\u6bcf\u4e2a\u6b65\u9aa4\u4e2d\u9009\u62e9\u56fa\u5b9a\u6570\u91cf\u7684\u6700\u91cd\u8981 token \u6765\u8ba1\u7b97\u6ce8\u610f\u529b\uff0c\u5229\u7528\u6ce8\u610f\u529b\u77e9\u9635\u7684\u7a00\u758f\u6027\u3002\u5f53\u8f93\u5165\u5e8f\u5217\u8db3\u591f\u957f\u65f6\uff0cESA \u901a\u8fc7\u5c06 query \u548c key 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