{"id":38029,"date":"2025-02-08T17:00:56","date_gmt":"2025-02-08T09:00:56","guid":{"rendered":"https:\/\/17aitech.com\/?p=38029"},"modified":"2025-02-08T17:00:56","modified_gmt":"2025-02-08T09:00:56","slug":"iclr-2025-%e6%9e%81%e6%80%a7%e6%84%9f%e7%9f%a5%e7%ba%bf%e6%80%a7%e6%b3%a8%e6%84%8f%e5%8a%9b%ef%bc%81%e5%93%88%e5%b7%a5%e6%b7%b1%e5%bc%a0%e6%ad%a3%e5%9b%a2%e9%98%9f%e6%8f%90%e5%87%bapolaformer","status":"publish","type":"post","link":"https:\/\/17aitech.com\/?p=38029","title":{"rendered":"ICLR 2025 | \u6781\u6027\u611f\u77e5\u7ebf\u6027\u6ce8\u610f\u529b\uff01\u54c8\u5de5\u6df1\u5f20\u6b63\u56e2\u961f\u63d0\u51faPolaFormer\u89c6\u89c9\u57fa\u7840\u6a21\u578b"},"content":{"rendered":"<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:<a href=\"https:\/\/www.jiqizhixin.com\/articles\/2025-02-01-6\" target=\"_blank\">ICLR 2025 | \u6781\u6027\u611f\u77e5\u7ebf\u6027\u6ce8\u610f\u529b\uff01\u54c8\u5de5\u6df1\u5f20\u6b63\u56e2\u961f\u63d0\u51faPolaFormer\u89c6\u89c9\u57fa\u7840\u6a21\u578b<\/a><\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-264facd2d5fd09a7f3108c0f12944c1c.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-264facd2d5fd09a7f3108c0f12944c1c.png\"><\/a><\/p>\n<blockquote data-author-name=\"\" data-content-utf8-length=\"166\" data-source-title=\"\" data-type=\"2\" data-url=\"\">\n<section>\n<p>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<\/p>\n<\/section>\n<\/blockquote>\n<section><\/section>\n<section><strong>\u672c\u6587\u4e00\u4f5c\u5b5f\u7ef4\u5eb7\u662f\u54c8\u5c14\u6ee8\u5de5\u4e1a\u5927\u5b66\uff08\u6df1\u5733\uff09\u4e0e\u9e4f\u57ce\u5b9e\u9a8c\u5ba4\u8054\u5408\u57f9\u517b\u7684\u535a\u58eb\u751f\uff0c\u672c\u79d1\u6bd5\u4e1a\u4e8e\u54c8\u5c14\u6ee8\u5de5\u4e1a\u5927\u5b66\uff0c\u4e3b\u8981\u7814\u7a76\u65b9\u5411\u662f\u5927\u89c4\u6a21\u57fa\u7840\u6a21\u578b\u7684\u9ad8\u6548\u8bad\u7ec3\u548c\u63a8\u7406\u7b97\u6cd5\u7814\u7a76\u3002<\/strong><\/section>\n<section><strong><br \/><\/strong><\/section>\n<section><strong>\u901a\u8baf\u4f5c\u8005\u5f20\u6b63\u6559\u6388\uff0c\u54c8\u5c14\u6ee8\u5de5\u4e1a\u5927\u5b66\uff08\u6df1\u5733\uff09\u7684\u957f\u8058\u6559\u6388\u53ca\u535a\u58eb\u751f\u5bfc\u5e08\uff0c\u6559\u80b2\u90e8\u9752\u5e74\u957f\u6c5f\u5b66\u8005\uff0c\u5e7f\u4e1c\u7279\u652f\u8ba1\u5212\u9752\u5e74\u73e0\u6c5f\u5b66\u8005\uff0c\u6df1\u5733\u5e02\u4f18\u9752\u3002\u957f\u671f\u4ece\u4e8b\u9ad8\u6548\u80fd\u591a\u6a21\u6001\u673a\u5668\u5b66\u4e60\u7684\u7814\u7a76\uff0c\u4e13\u6ce8\u4e8e\u9ad8\u6548\u4e0e\u53ef\u4fe1\u591a\u6a21\u6001\u5927\u6a21\u578b\u3002<\/strong><\/section>\n<section><strong><br \/><\/strong><\/section>\n<section><strong>\u8bfe\u9898\u7ec4\uff1aBig Media Intelligence (BMI) \u6b22\u8fce\u6821\u5185\u5916\u4f18\u79c0\u5b66\u8005\u7684\u52a0\u5165\u4ee5\u53ca\u6765\u8bbf\u4ea4\u6d41\u3002<\/strong><\/section>\n<section><strong><br \/><\/strong><\/section>\n<section><strong>\u8bfe\u9898\u7ec4\u4e3b\u9875\uff1ahttps:\/\/cszhengzhang.cn\/BMI\/<\/strong><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-a1cd5cbab9f9d3c27467c7bd84c10b94.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-a1cd5cbab9f9d3c27467c7bd84c10b94.png\"><\/a><\/section>\n<ul>\n<li>\n<section>\u8bba\u6587\u6807\u9898\uff1aPolaFormer: Polarity-aware Linear Attention for Vision Transformers<\/section>\n<\/li>\n<li>\n<section>\u8bba\u6587\u94fe\u63a5\uff1ahttps:\/\/arxiv.org\/pdf\/2501.15061<\/section>\n<\/li>\n<li>\n<section>GitHub \u94fe\u63a5\uff1ahttps:\/\/github.com\/ZacharyMeng\/PolaFormer<\/section>\n<\/li>\n<li>\n<section>Huggingface\u00a0\u6743\u91cd\u94fe\u63a5\uff1ahttps:\/\/huggingface.co\/ZachMeng\/PolaFormer\/tree\/main<\/section>\n<\/li>\n<\/ul>\n<section><\/section>\n<section>\u5c3d\u7ba1 Vision Transformer \u53ca\u5176\u53d8\u79cd\u5728\u89c6\u89c9\u4efb\u52a1\u4e0a\u53d6\u5f97\u4e86\u4eae\u773c\u7684\u6027\u80fd\uff0c\u4f46\u4ecd\u9762\u4e34\u7740\u81ea\u6ce8\u610f\u529b\u673a\u5236\u65f6\u7a7a\u95f4\u5e73\u65b9\u590d\u6742\u5ea6\u7684\u6311\u6218\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u7ebf\u6027\u81ea\u6ce8\u610f\u529b\u901a\u8fc7\u8bbe\u8ba1\u65b0\u7684\u6838\u51fd\u6570\u66ff\u6362\u6807\u51c6\u81ea\u6ce8\u610f\u529b\u673a\u5236\u4e2d\u7684 softmax \u51fd\u6570\uff0c\u4f7f\u6a21\u578b\u590d\u6742\u5ea6\u964d\u4f4e\u4e3a\u7ebf\u6027\u3002\u8fd9\u7bc7\u8bba\u6587\u4e2d\uff0c\u7814\u7a76\u8005\u63d0\u51fa\u4e86\u4e00\u4e2a\u65b0\u7684\u300c\u6781\u6027\u611f\u77e5\u7ebf\u6027\u6ce8\u610f\u529b\u300d\u6a21\u5757\uff0c\u4f7f\u6a21\u578b\u8fbe\u5230\u4e86\u66f4\u9ad8\u7684\u4efb\u52a1\u6027\u80fd\u4e0e\u8ba1\u7b97\u6548\u7387\u3002<\/section>\n<section><\/section>\n<section>\u5177\u4f53\u6765\u8bf4\uff0c\u672c\u5de5\u4f5c\u4ece\u7ebf\u6027\u81ea\u6ce8\u610f\u529b\u65b9\u6cd5\u9700\u8981\u6ee1\u8db3\u6ce8\u610f\u529b\u6743\u91cd\u77e9\u9635\u7684\u4e24\u4e2a\u7279\u6027\uff08\u5373\u6b63\u503c\u6027\u548c\u4f4e\u4fe1\u606f\u71b5\uff09\u5165\u624b\u3002\u9996\u5148\uff0c\u6307\u51fa\u4e86\u73b0\u6709\u7684\u505a\u6cd5\u4e3a\u4e86\u6ee1\u8db3\u6b63\u503c\u6027\uff0c\u727a\u7272\u4e86 Q \u77e9\u9635\u548c K \u77e9\u9635\u5143\u7d20\u4e2d\u8d1f\u503c\u7684\u7f3a\u9677\uff0c\u63d0\u51fa\u4e86\u6781\u6027\u611f\u77e5\u7684\u8ba1\u7b97\u65b9\u5f0f\u53ef\u4ee5\u4fdd\u8bc1 Q \u77e9\u9635\u548c K \u77e9\u9635\u4e2d\u6240\u6709\u5143\u7d20\u53ef\u4ee5\u5e73\u7b49\u5730\u8fdb\u884c\u76f8\u4f3c\u5ea6\u7684\u8ba1\u7b97\uff0c\u4f7f\u8ba1\u7b97\u7ed3\u679c\u66f4\u51c6\u786e\uff0c\u6a21\u578b\u8868\u793a\u80fd\u529b\u66f4\u5f3a\u3002\u5176\u6b21\uff0c\u672c\u6587\u63d0\u51fa\u53ea\u8981\u91c7\u7528\u4e00\u65cf\u5177\u6709\u7279\u6b8a\u6027\u8d28\u7684\u6620\u5c04\u51fd\u6570\uff0c\u5c31\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u6ce8\u610f\u529b\u6743\u91cd\u5206\u5e03\u7684\u4fe1\u606f\u71b5\uff0c\u5e76\u7ed9\u51fa\u4e86\u6570\u5b66\u4e0a\u7684\u8bc1\u660e\u3002<\/section>\n<section><\/section>\n<section>\u5927\u91cf\u7684\u5b9e\u9a8c\u8868\u660e\uff0c\u672c\u6587\u63d0\u51fa\u7684\u7ebf\u6027\u6ce8\u610f\u529b\u6a21\u5757\u53ef\u4ee5\u76f4\u63a5\u66ff\u6362\u73b0\u6709 Vision Transformer \u6846\u67b6\u4e2d\u7684\u81ea\u6ce8\u610f\u529b\u6a21\u5757\uff0c\u5e76\u5728\u89c6\u89c9\u57fa\u7840\u4efb\u52a1\u548c LRA \u4efb\u52a1\u4e0a\u4e00\u81f4\u5730\u63d0\u5347\u4e86\u6027\u80fd\u3002<\/section>\n<section><\/section>\n<section><strong>\u5f15\u5165<\/strong><\/section>\n<section><\/section>\n<section>Transformer \u6a21\u578b\u5df2\u7ecf\u5728\u5e7f\u6cdb\u7684\u89c6\u89c9\u4efb\u52a1\u4e2d\u5c55\u73b0\u51fa\u4eae\u773c\u7684\u6027\u80fd\u3002\u5176\u6838\u5fc3\u6a21\u5757 \u2014\u2014 \u901a\u8fc7 softmax \u5f52\u4e00\u5316\u7684\u70b9\u79ef\u81ea\u6ce8\u610f\u529b\u673a\u5236\uff0c\u8ba9 Transformer \u6a21\u578b\u53ef\u4ee5\u6709\u6548\u5730\u6355\u6349\u957f\u8ddd\u79bb\u4f9d\u8d56\u5173\u7cfb\u3002\u7136\u800c\uff0c\u8fd9\u5e26\u6765\u4e86\u6a21\u578b O (N^2) \u590d\u6742\u5ea6\uff0c\u5728\u5904\u7406\u957f\u5e8f\u5217\u89c6\u9891\u6216\u9ad8\u5206\u8fa8\u7387\u56fe\u50cf\u65f6\uff0c\u4f1a\u5bfc\u81f4\u76f8\u5f53\u5927\u7684\u8ba1\u7b97\u5f00\u9500\u548c\u663e\u5b58\u5360\u7528\u3002\u8fd9\u9650\u5236\u4e86\u5b83\u4eec\u5728\u8d44\u6e90\u53d7\u9650\u73af\u5883\u4e2d\u7684\u6548\u7387\uff0c\u4f7f\u5f97\u5728\u8fd9\u4e9b\u573a\u666f\u4e0b\u7684\u5b9e\u9645\u90e8\u7f72\u53d8\u5f97\u56f0\u96be\u3002<\/section>\n<section><\/section>\n<section>\u7ebf\u6027\u6ce8\u610f\u529b\uff0c\u4f5c\u4e3a\u4e00\u79cd\u66f4\u5177\u53ef\u884c\u6027\u7684\u89e3\u51b3\u65b9\u6848\u4f7f\u7528\u6838\u5316\u7279\u5f81\u6620\u5c04\u66ff\u6362 q,k \u70b9\u79ef\u4e2d\u7684 Softmax \u64cd\u4f5c\uff0c\u6709\u6548\u5730\u5c06\u65f6\u95f4\u548c\u7a7a\u95f4\u590d\u6742\u5ea6\u4ece O (N\u00b2d) \u964d\u4f4e\u5230 O (Nd\u00b2)\u3002\u5c3d\u7ba1\u7ebf\u6027\u6ce8\u610f\u529b\u5728\u8ba1\u7b97\u6548\u7387\u4e0a\u6709\u6240\u63d0\u5347\uff0c\u4f46\u5728\u8868\u8fbe\u80fd\u529b\u65b9\u9762\u4ecd\u4e0d\u53ca\u57fa\u4e8e Softmax \u7684\u6ce8\u610f\u529b\uff0c\u6211\u4eec\u7684\u5206\u6790\u786e\u5b9a\u4e86\u9020\u6210\u8fd9\u79cd\u4e0d\u8db3\u7684\u4e24\u4e2a\u4e3b\u8981\u539f\u56e0\uff0c\u5b83\u4eec\u90fd\u6e90\u4e8e Softmax \u8fd1\u4f3c\u8fc7\u7a0b\u4e2d\u7684\u4fe1\u606f\u4e22\u5931\uff1a<\/section>\n<section><\/section>\n<ol>\n<li>\n<section><strong>\u8d1f\u503c\u4e22\u5931<\/strong>\u3002\u4f9d\u8d56\u975e\u8d1f\u7279\u5f81\u6620\u5c04\uff08\u5982 ReLU\uff09\u7684\u7ebf\u6027\u6ce8\u610f\u529b\u6a21\u578b\u65e0\u6cd5\u4fdd\u6301\u4e0e\u539f\u59cb q,k \u70b9\u79ef\u7684\u4e00\u81f4\u6027\u3002\u8fd9\u4e9b\u7279\u5f81\u6620\u5c04\u4ec5\u4fdd\u7559\u4e86\u6b63 &#8211; \u6b63\u4ea4\u4e92\u4f5c\u7528\uff0c\u800c\u5173\u952e\u7684\u6b63 &#8211; \u8d1f\u548c\u8d1f &#8211; \u8d1f\u4ea4\u4e92\u4f5c\u7528\u5219\u5b8c\u5168\u4e22\u5931\u3002\u8fd9\u79cd\u9009\u62e9\u6027\u8868\u793a\u9650\u5236\u4e86\u6a21\u578b\u6355\u83b7\u5168\u9762\u5173\u7cfb\u8303\u56f4\u7684\u80fd\u529b\uff0c\u5bfc\u81f4\u6ce8\u610f\u529b\u56fe\u7684\u8868\u8fbe\u80fd\u529b\u51cf\u5f31\u548c\u5224\u522b\u529b\u964d\u4f4e\u3002<\/section>\n<\/li>\n<li>\n<section><strong>\u6ce8\u610f\u529b\u5206\u5e03\u9ad8\u4fe1\u606f\u71b5<\/strong>\u3002\u6ca1\u6709 softmax \u7684\u6307\u6570\u7f29\u653e\uff0c\u7ebf\u6027\u6ce8\u610f\u529b\u4f1a\u5bfc\u81f4\u6743\u91cd\u5206\u5e03\u66f4\u52a0\u5747\u5300\u4e14\u71b5\u66f4\u4f4e\u3002\u8fd9\u79cd\u5747\u5300\u6027\u524a\u5f31\u4e86\u6a21\u578b\u533a\u5206\u5f3a\u5f31 q,k \u5bf9\u7684\u80fd\u529b\uff0c\u635f\u5bb3\u4e86\u5176\u5bf9\u91cd\u8981\u7279\u5f81\u7684\u5173\u6ce8\uff0c\u5e76\u5728\u9700\u8981\u7cbe\u7ec6\u7ec6\u8282\u7684\u4efb\u52a1\u4e2d\u964d\u4f4e\u4e86\u6027\u80fd\u3002<\/section>\n<\/li>\n<\/ol>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-7af76ac566dcc2d4999f973e19f78de2.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-7af76ac566dcc2d4999f973e19f78de2.png\"><\/a><\/p>\n<section>\u5728\u8fd9\u9879\u5de5\u4f5c\u4e2d\uff0c\u4f5c\u8005\u63d0\u51fa\u4e86\u4e00\u79cd\u6781\u6027\u611f\u77e5\u7ebf\u6027\u6ce8\u610f\u529b\uff08PolaFormer\uff09\u673a\u5236\uff0c\u65e8\u5728\u901a\u8fc7\u7eb3\u5165\u88ab\u5ffd\u7565\u7684\u8d1f\u4ea4\u4e92\u4f5c\u7528\u6765\u89e3\u51b3\u5148\u524d\u7ebf\u6027\u6ce8\u610f\u529b\u6a21\u578b\u7684\u5c40\u9650\u6027\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u4e3a\u4e86\u89e3\u51b3\u7ebf\u6027\u6ce8\u610f\u529b\u4e2d\u5e38\u89c1\u7684\u6ce8\u610f\u529b\u6743\u91cd\u5206\u5e03\u4fe1\u606f\u71b5\u8fc7\u9ad8\u7684\u95ee\u9898\uff0c\u4ed6\u4eec\u63d0\u4f9b\u4e86\u6570\u5b66\u7406\u8bba\u57fa\u7840\uff0c\u8868\u660e\u5982\u679c\u4e00\u4e2a\u9010\u5143\u7d20\u8ba1\u7b97\u7684\u51fd\u6570\u5177\u6709\u6b63\u7684\u4e00\u9636\u548c\u4e8c\u9636\u5bfc\u6570\uff0c\u5219\u53ef\u4ee5\u91cd\u65b0\u7f29\u653e q,k \u54cd\u5e94\u4ee5\u964d\u4f4e\u71b5\u3002\u8fd9\u4e9b\u589e\u5f3a\u529f\u80fd\u5171\u540c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u7a33\u5065\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4ee5\u7f29\u5c0f\u7ebf\u6027\u5316\u548c\u57fa\u4e8e Softmax \u7684\u6ce8\u610f\u529b\u4e4b\u95f4\u7684\u5dee\u8ddd\u3002<\/section>\n<section><\/section>\n<section><strong>\u80cc\u666f<\/strong><\/section>\n<section><\/section>\n<section><strong>\u6807\u51c6\u81ea\u6ce8\u610f\u529b\u673a\u5236\u7684\u4f4e\u6548<\/strong><\/section>\n<section><\/section>\n<section>\u8003\u8651\u4e00\u4e2a\u957f\u5ea6\u4e3a N\u3001\u7ef4\u5ea6\u4e3a D \u7684\u5e8f\u5217<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-29cf2b5c8baec570d6fe2f7e3f67cd7b.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-29cf2b5c8baec570d6fe2f7e3f67cd7b.png\"><\/a>\u3002\u8be5\u5e8f\u5217\u88ab\u5206\u6210 h \u4e2a\u5934\uff0c\u6bcf\u4e2a\u5934\u7684\u7ef4\u5ea6\u662f d\u3002\u5728\u6bcf\u4e2a\u5934\u4e2d\uff0c\u4e0d\u540c\u4f4d\u7f6e\u7684\u6807\u8bb0\uff08token\uff09\u5171\u540c\u88ab\u5173\u6ce8\u4ee5\u6355\u83b7\u957f\u8ddd\u79bb\u4f9d\u8d56\u5173\u7cfb\u3002\u8f93\u51fa\u53ef\u8868\u793a\u4e3a<\/section>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-aa4b57a3b297da545089a619435422fe.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-aa4b57a3b297da545089a619435422fe.png\"><\/a><\/p>\n<section>\u53ef\u89c1\uff0c\u81ea\u6ce8\u610f\u529b\u7684\u590d\u6742\u5ea6\u662f O (N2d)\u3002\u8fd9\u79cd\u590d\u6742\u5ea6\u4f7f\u5f97\u81ea\u6ce8\u610f\u529b\u673a\u5236\u5728\u5904\u7406\u957f\u5e8f\u5217\u65f6\u6548\u7387\u4f4e\u4e0b\uff0c\u5bfc\u81f4\u8ba1\u7b97\u6210\u672c\u6025\u5267\u4e0a\u5347\u3002\u76ee\u524d\uff0c\u964d\u4f4e\u81ea\u6ce8\u610f\u529b\u7684\u590d\u6742\u5ea6\u7684\u4e3b\u8981\u65b9\u6cd5\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u7a00\u758f\u6ce8\u610f\u529b\u3001\u7ebf\u6027\u5316\u6ce8\u610f\u529b\u4ee5\u53ca\u57fa\u4e8e\u6838\u7684\u6ce8\u610f\u529b\u7b49\u3002<\/section>\n<section><\/section>\n<section><strong>\u57fa\u4e8e\u6838\u7684\u7ebf\u6027\u6ce8\u610f\u529b<\/strong><\/section>\n<section><\/section>\n<section>\u4e3a\u4e86\u7f13\u89e3\u6807\u51c6\u81ea\u6ce8\u610f\u529b\u673a\u5236\u7684\u6548\u7387\u74f6\u9888\uff0c\u4eba\u4eec\u63d0\u51fa\u4e86\u57fa\u4e8e\u6838\u7684\u7ebf\u6027\u6ce8\u610f\u529b\u673a\u5236\uff0c\u8be5\u673a\u5236\u5c06\u76f8\u4f3c\u5ea6\u51fd\u6570\u5206\u89e3\u4e3a\u7279\u5f81\u6620\u5c04\u7684\u70b9\u79ef\u3002\u6309\u7167 Linear Attention \u5de5\u4f5c\u91cc\u7684\u7b26\u53f7\uff0c\u6211\u4eec\u5b9a\u4e49<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0947eed5b7a1a79106025fbec7d48920.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-0947eed5b7a1a79106025fbec7d48920.png\"><\/a>\u4f5c\u4e3a softmax \u6838\u51fd\u6570\u3002\u4ece\u6570\u5b66\u4e0a\u8bb2\uff0c\u7ebf\u6027\u6ce8\u610f\u529b\u7684\u76ee\u6807\u662f\u4f7f\u7528 \u03d5(q_i)\u03d5(k_j)^T \u6765\u8fd1\u4f3c SM (\u22c5,\u22c5)\uff0c\u5219\u6ce8\u610f\u529b\u8f93\u51fa\u7684\u7b2c t \u884c\u53ef\u4ee5\u91cd\u5199\u4e3a\uff1a<\/section>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-823b1b46a56afb0035e5707b10a8038e.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-823b1b46a56afb0035e5707b10a8038e.png\"><\/a><\/p>\n<section>\u901a\u8fc7\u5229\u7528\u77e9\u9635\u4e58\u6cd5\u7684\u7ed3\u5408\u5f8b\uff0c\u6bcf\u4e2a\u5934\u7684\u590d\u6742\u5ea6\u53ef\u4ee5\u964d\u4f4e\u5230 O (Nd\u20192)\uff0c\u5176\u4e2d d\u2019\u662f\u7279\u5f81\u6620\u5c04\u540e\u7684\u7ef4\u5ea6\uff0c\u4e0e\u5e8f\u5217\u957f\u5ea6\u6210\u7ebf\u6027\u5173\u7cfb\u3002<\/section>\n<section><\/section>\n<section><strong>\u65b9\u6cd5\u6982\u89c8<\/strong><\/section>\n<section><strong><br \/><\/strong><\/section>\n<section><strong>\u6781\u6027\u611f\u77e5\u6ce8\u610f\u529b<\/strong><\/section>\n<section><\/section>\n<section>\u6781\u6027\u611f\u77e5\u6ce8\u610f\u529b\u80cc\u540e\u7684\u6838\u5fc3\u601d\u60f3\u662f\u4e3a\u4e86\u89e3\u51b3\u73b0\u6709\u7ebf\u6027\u6ce8\u610f\u529b\u673a\u5236\u7684\u5c40\u9650\u6027\uff0c\u8fd9\u4e9b\u673a\u5236\u901a\u5e38\u4f1a\u4e22\u5f03\u6765\u81ea\u8d1f\u6210\u5206\u7684\u6709\u4ef7\u503c\u4fe1\u606f\u3002<\/section>\n<section><\/section>\n<section>PolaFormer \u5728\u5904\u7406\u8d1f\u6210\u5206\u65f6\uff0c\u6781\u6027\u611f\u77e5\u6ce8\u610f\u529b\u5c06 query \u548c key \u5411\u91cf\u5206\u89e3\u4e3a\u5b83\u4eec\u7684\u6b63\u90e8\u548c\u8d1f\u90e8\u3002\u8fd9\u79cd\u5206\u89e3\u5141\u8bb8\u673a\u5236\u5206\u522b\u8003\u8651\u6b63\u76f8\u4f3c\u5ea6\u548c\u8d1f\u76f8\u4f3c\u5ea6\u5bf9\u6ce8\u610f\u529b\u6743\u91cd\u7684\u5f71\u54cd\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5bf9\u4e8e\u67e5\u8be2\u5411\u91cf q \u548c\u952e\u5411\u91cf k\uff0c\u53ef\u4ee5\u5c06\u5b83\u4eec\u5206\u89e3\u4e3a\uff1a<\/section>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-55d60f0096f9f21555a86958c9d97e9c.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-55d60f0096f9f21555a86958c9d97e9c.png\"><\/a><\/p>\n<section>\u5176\u4e2d\uff0c<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-b9025046317926d32d94d924ca5d94c7.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-b9025046317926d32d94d924ca5d94c7.png\"><\/a>\u548c<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-713876df7abf4e59dcad5674727ab854.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-713876df7abf4e59dcad5674727ab854.png\"><\/a>\u5206\u522b\u4ee3\u8868 q \u7684\u6b63\u90e8\u548c\u8d1f\u90e8\uff0c\u540c\u7406\u5bf9\u4e8e k\u3002<\/section>\n<section><\/section>\n<section>\u5c06\u8fd9\u4e9b\u5206\u89e3\u4ee3\u5165 q \u548c k \u7684\u5185\u79ef\u4e2d\uff0c\u53ef\u4ee5\u5f97\u5230\uff1a<\/section>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-bb275bcaf4bb70174611474321778d71.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-bb275bcaf4bb70174611474321778d71.png\"><\/a><\/p>\n<section>\u524d\u4e24\u9879\u6355\u6349\u4e86\u540c\u53f7\u6210\u5206\u4e4b\u95f4\u7684\u76f8\u4f3c\u6027\uff0c\u800c\u540e\u4e24\u9879\u5219\u4ee3\u8868\u4e86\u5f02\u53f7\u6210\u5206\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u3002\u4e4b\u524d\u7684\u7ebf\u6027\u6ce8\u610f\u529b\u65b9\u6cd5\uff0c\u5982\u57fa\u4e8e ReLU \u7684\u7279\u5f81\u6620\u5c04\uff0c\u901a\u8fc7\u5c06\u8d1f\u6210\u5206\u6620\u5c04\u5230\u96f6\u6765\u6d88\u9664\u5b83\u4eec\uff0c\u8fd9\u5728\u8fd1\u4f3c q,k \u70b9\u79ef\u65f6\u4f1a\u5bfc\u81f4\u663e\u8457\u7684\u4fe1\u606f\u4e22\u5931\u3002<\/section>\n<section><\/section>\n<section>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6781\u6027\u611f\u77e5\u6ce8\u610f\u529b\u673a\u5236\u6839\u636e q,k \u7684\u6781\u6027\u5c06\u5b83\u4eec\u5206\u5f00\uff0c\u5e76\u72ec\u7acb\u8ba1\u7b97\u5b83\u4eec\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u3002\u6ce8\u610f\u529b\u6743\u91cd\u7684\u8ba1\u7b97\u65b9\u5f0f\u5982\u4e0b\uff1a<\/section>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-d5d8bc8e5b2438aa6a9d0cdeb7ab9414.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-d5d8bc8e5b2438aa6a9d0cdeb7ab9414.png\"><\/a><\/p>\n<section>PolaFormer \u6839\u636e\u6781\u6027\u660e\u786e\u5730\u5c06 q,k \u5bf9\u5206\u5f00\uff0c\u5904\u7406\u5728\u5185\u79ef\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\u7ef4\u5ea6\u7684\u540c\u53f7\u548c\u5f02\u53f7\u4ea4\u4e92\u4f5c\u7528\u3002\u8fd9\u4e9b\u4ea4\u4e92\u4f5c\u7528\u5728\u4e24\u4e2a\u6d41\u4e2d\u5904\u7406\uff0c\u4ece\u800c\u80fd\u591f\u66f4\u51c6\u786e\u5730\u91cd\u5efa\u539f\u59cb\u7684 softmax \u6ce8\u610f\u529b\u6743\u91cd\u3002\u4e3a\u4e86\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u6027\uff0c\u4f5c\u8005\u6cbf\u7740\u901a\u9053\u7ef4\u5ea6\u62c6\u5206 v \u5411\u91cf\uff0c\u5728\u4e0d\u5f15\u5165\u989d\u5916\u53ef\u5b66\u4e60\u53c2\u6570\u7684\u60c5\u51b5\u4e0b\u5904\u7406\u8fd9\u4e24\u79cd\u7c7b\u578b\u7684\u4ea4\u4e92\u4f5c\u7528\u3002\u7136\u540e\uff0c\u5c06\u8f93\u51fa\u8fdb\u884c\u62fc\u63a5\uff0c\u5e76\u901a\u8fc7\u4e00\u4e2a\u53ef\u5b66\u4e60\u7684\u7b26\u53f7\u611f\u77e5\u77e9\u9635\u8fdb\u884c\u7f29\u653e\uff0c\u4ee5\u786e\u4fdd\u51c6\u786e\u91cd\u5efa q,k \u5173\u7cfb\u3002<\/section>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-a771db093c18f1ec658b8454f1831cfb.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-a771db093c18f1ec658b8454f1831cfb.png\"><\/a><\/p>\n<section>\u4f5c\u8005\u7edf\u8ba1\u5206\u6790\u4e86\u4e24\u4e2a G \u77e9\u9635\u7684\u7279\u6027\uff0c\u5b58\u5728\u4e00\u4e2a\u660e\u663e\u7684\u8d1f\u76f8\u5173\u548c\u4ef7\u503c\u5dee\u5f02\u3002\u8fd9\u8bc1\u660e\u4e86\u672c\u6587\u63d0\u51fa\u7684\u53ef\u5b66\u4e60\u6df7\u5408\u7b56\u7565\u8865\u507f\u4e86\u677e\u5f1b\u51cf\u6cd5\u64cd\u4f5c\u6240\u5e26\u6765\u7684\u5f71\u54cd\u3002<\/section>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-a7656bcfbd803cb86d93f70c0c8447f8.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-a7656bcfbd803cb86d93f70c0c8447f8.png\"><\/a><\/p>\n<section><strong>\u7528\u4e8e\u964d\u4f4e\u4fe1\u606f\u71b5\u7684\u53ef\u5b66\u4e60\u5e42\u51fd\u6570<\/strong><\/section>\n<section><\/section>\n<section>\u4e3a\u4e86\u89e3\u51b3\u7ebf\u6027\u6ce8\u610f\u529b\u4e2d\u5e38\u89c1\u7684\u6ce8\u610f\u529b\u6743\u91cd\u5206\u5e03\u4fe1\u606f\u71b5\u8fc7\u9ad8\u7684\u95ee\u9898\uff0c\u4f5c\u8005\u63d0\u4f9b\u4e86\u6570\u5b66\u7406\u8bba\u57fa\u7840\uff0c\u8868\u660e\u5982\u679c\u4e00\u4e2a\u9010\u5143\u7d20\u8ba1\u7b97\u7684\u51fd\u6570\u5177\u6709\u6b63\u7684\u4e00\u9636\u548c\u4e8c\u9636\u5bfc\u6570\uff0c\u5219\u53ef\u4ee5\u91cd\u65b0\u7f29\u653e q,k \u54cd\u5e94\u4ee5\u964d\u4f4e\u71b5\u3002<\/section>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-ee2f2e1dd672ff9a1bc751a4fe1b969c.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-ee2f2e1dd672ff9a1bc751a4fe1b969c.png\"><\/a><\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-6f122054afe25404123cd8f1392e4b5b.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2025\/02\/frc-6f122054afe25404123cd8f1392e4b5b.png\"><\/a><\/p>\n<section>\u8fd9\u4e00\u7406\u8bba\u6709\u52a9\u4e8e\u9610\u660e\u4e3a\u4ec0\u4e48\u5148\u524d\u7684\u7279\u5f81\u6620\u5c04\u4f1a\u63d0\u9ad8\u4fe1\u606f\u71b5\uff0c\u4ece\u800c\u5bfc\u81f4\u6ce8\u610f\u529b\u5206\u5e03\u8fc7\u4e8e\u5e73\u6ed1\u3002\u4e3a\u4e86\u7b80\u5316\uff0c\u4f5c\u8005\u91c7\u7528\u901a\u9053\u7ea7\u53ef\u5b66\u4e60\u7684\u5e42\u51fd\u6570\u8fdb\u884c\u91cd\u65b0\u7f29\u653e\uff0c\u8fd9\u4fdd\u7559\u4e86 Softmax 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