{"id":147,"date":"2026-10-07T10:54:24","date_gmt":"2026-10-07T02:54:24","guid":{"rendered":"https:\/\/luqimu.xyz\/?p=147"},"modified":"2026-10-07T10:54:25","modified_gmt":"2026-10-07T02:54:25","slug":"transformer%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/luqimu.xyz\/index.php\/2026\/10\/07\/transformer%e5%ad%a6%e4%b9%a0\/","title":{"rendered":"Transformer\u5b66\u4e60"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">2017 \u5e74\uff0cGoogle \u5728\u8bba\u6587\u300aAttention Is All You Need\u300b\u4e2d\u63d0\u51fa\u4e86 Transformer\u3002\u4eca\u5929\u6211\u4eec\u63a5\u89e6\u5230\u7684\u5927\u8bed\u8a00\u6a21\u578b\uff0c\u7edd\u5927\u591a\u6570\u90fd\u53ef\u4ee5\u8ffd\u6eaf\u5230 Transformer\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46 Transformer \u5e76\u4e0d\u662f\u51ed\u7a7a\u51fa\u73b0\u7684\uff0c\u5b83\u6700\u521d\u8981\u89e3\u51b3\u7684\u4ecd\u7136\u662f\u81ea\u7136\u8bed\u8a00\u5904\u7406\u4e2d\u7684\u4e00\u4e2a\u7ecf\u5178\u95ee\u9898\uff1a<strong>\u5982\u4f55\u628a\u4e00\u4e2a\u5e8f\u5217\u8f6c\u6362\u6210\u53e6\u4e00\u4e2a\u5e8f\u5217\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e\u5f53\u65f6\u4e3b\u6d41\u7684\u5e8f\u5217\u6a21\u578b\u4e0d\u540c\uff0cTransformer \u4e0d\u518d\u4f9d\u8d56\u5faa\u73af\u795e\u7ecf\u7f51\u7edc\uff08Recurrent Neural Network\uff0cRNN\uff09\u6cbf\u5e8f\u5217\u9010\u6b65\u4f20\u9012\u9690\u85cf\u72b6\u6001\uff0c\u800c\u662f\u8ba9\u6ce8\u610f\u529b\u673a\u5236\u627f\u62c5\u4e0d\u540c\u4f4d\u7f6e\u4e4b\u95f4\u7684\u4fe1\u606f\u4ea4\u6362\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u673a\u5668\u7ffb\u8bd1\u4e3a\u4f8b\uff0c\u6574\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u6982\u62ec\u4e3a\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f6c\u6362\u8f93\u5165\u2014\u2014Embedding\uff1a<\/strong> \u6e90\u5e8f\u5217\u4e2d\u7684 Token \u9996\u5148\u7ecf\u8fc7 Input Embedding\uff0c\u88ab\u8f6c\u6362\u6210\u6a21\u578b\u53ef\u4ee5\u5904\u7406\u7684\u5411\u91cf\u8868\u793a\u3002<\/li>\n\n\n\n<li><strong>\u7406\u89e3\u6e90\u5e8f\u5217\u2014\u2014Encoder\uff1a<\/strong> Encoder \u8bfb\u53d6\u6e90\u5e8f\u5217\uff0c\u4e3a\u6bcf\u4e2a\u8f93\u5165 Token \u751f\u6210\u5305\u542b\u4e0a\u4e0b\u6587\u4fe1\u606f\u7684\u8868\u793a\u3002<\/li>\n\n\n\n<li><strong>\u751f\u6210\u76ee\u6807\u8868\u793a\u2014\u2014Decoder\uff1a<\/strong> Decoder \u8bfb\u53d6 Encoder \u7684\u8f93\u51fa\uff0c\u5e76\u7ed3\u5408\u5f53\u524d\u5df2\u7ecf\u751f\u6210\u7684\u76ee\u6807\u524d\u7f00\uff0c\u751f\u6210\u5f53\u524d\u4f4d\u7f6e\u7684\u9690\u85cf\u8868\u793a\u3002<\/li>\n\n\n\n<li><strong>\u6620\u5c04\u5230\u8bcd\u8868\u2014\u2014Linear\uff1a<\/strong> Linear \u5c42\u5c06 Decoder \u7684\u9690\u85cf\u8868\u793a\u6620\u5c04\u5230\u8bcd\u8868\u7a7a\u95f4\uff0c\u4e3a\u8bcd\u8868\u4e2d\u7684\u6bcf\u4e2a\u5019\u9009 Token \u6253\u5206\u3002<\/li>\n\n\n\n<li><strong>\u8f6c\u6362\u4e3a\u6982\u7387\u2014\u2014Softmax\uff1a<\/strong> Softmax \u5c06\u8fd9\u4e9b\u5206\u6570\u8f6c\u6362\u6210\u603b\u548c\u4e3a 1 \u7684\u6982\u7387\u5206\u5e03\uff0c\u8868\u793a\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u751f\u6210\u5404\u4e2a Token \u7684\u6982\u7387\u3002<\/li>\n\n\n\n<li><strong>\u9884\u6d4b\u4e0b\u4e00\u4e2a Token\u2014\u2014\u81ea\u56de\u5f52\u751f\u6210\uff1a<\/strong> \u6a21\u578b\u6839\u636e\u6982\u7387\u5206\u5e03\u9009\u62e9\u4e0b\u4e00\u4e2a Token\uff0c\u5e76\u5c06\u5b83\u52a0\u5165\u76ee\u6807\u524d\u7f00\u3002\u4e0b\u4e00\u8f6e\u9884\u6d4b\u65f6\uff0c\u66f4\u65b0\u540e\u7684\u76ee\u6807\u524d\u7f00\u7ecf\u8fc7 Output Embedding \u8f6c\u6362\u6210\u5411\u91cf\uff0c\u518d\u8f93\u5165 Decoder\u3002\u6a21\u578b\u91cd\u590d\u4e0a\u8ff0\u8fc7\u7a0b\uff0c\u76f4\u5230\u751f\u6210 <code>&lt;EOS><\/code>\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u6574\u4f53\u6d41\u7a0b\u6765\u770b\uff0cTransformer \u4e0e Seq2Seq \u5e76\u6ca1\u6709\u672c\u8d28\u533a\u522b\uff1aEncoder \u8d1f\u8d23\u7406\u89e3\u8f93\u5165\uff0cDecoder \u8d1f\u8d23\u9010\u6b65\u751f\u6210\u8f93\u51fa\u3002\u771f\u6b63\u53d1\u751f\u53d8\u5316\u7684\u662f Encoder \u548c Decoder \u5185\u90e8\u751f\u6210\u4e0a\u4e0b\u6587\u8868\u793a\u7684\u65b9\u5f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Positional Encoding\uff1a\u4e3a Token \u52a0\u5165\u4f4d\u7f6e\u4fe1\u606f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46 Transformer \u4e0d\u518d\u50cf RNN \u4e00\u6837\u6cbf\u5e8f\u5217\u9010\u6b65\u8ba1\u7b97\uff0cSelf-Attention \u4f1a\u540c\u65f6\u5904\u7406\u5e76\u6bd4\u8f83\u4e0d\u540c\u4f4d\u7f6e\u7684 Token\u3002\u8fd9\u6837\u867d\u7136\u6d88\u9664\u4e86\u987a\u5e8f\u8ba1\u7b97\u7684\u4f9d\u8d56\uff0c\u5374\u4e5f\u610f\u5473\u7740\u6a21\u578b\u65e0\u6cd5\u4ece\u8ba1\u7b97\u987a\u5e8f\u4e2d\u83b7\u5f97\u4f4d\u7f6e\u4fe1\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0cTransformer \u8fd8\u9700\u8981\u4e3a\u6bcf\u4e2a Token \u63d0\u4f9b\u4f4d\u7f6e\u4fe1\u606f\u3002\u5b83\u4f1a\u5bf9\u5e8f\u5217\u4e2d\u7684\u4f4d\u7f6e\u8fdb\u884c\u7f16\u7801\uff0c\u5e76\u5c06\u4f4d\u7f6e\u7f16\u7801\uff08Positional Encoding\uff09\u76f4\u63a5\u52a0\u5230\u5bf9\u5e94 Token \u7684 Embedding \u4e0a\uff0c\u4f7f\u8fdb\u5165\u7b2c\u4e00\u5c42 Encoder \u548c Decoder \u7684\u5411\u91cf\u540c\u65f6\u5305\u542b Token \u4fe1\u606f\u548c\u4f4d\u7f6e\u4fe1\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/5b13ed0ae41bee9defcf75f2efc5f060.svg\"> \u8868\u793a\u5e8f\u5217\u4e2d\u7b2c <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2443fbcfeb7e85e1d62b6f5e4f27207e.svg\"> \u4e2a\u4f4d\u7f6e\u7684 Token\uff0c\u90a3\u4e48\u5b83\u8fdb\u5165\u7b2c\u4e00\u5c42 Encoder \u6216 Decoder \u524d\u7684\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/011a3fede4f60db30f22c3f890f71edc.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/011a3fede4f60db30f22c3f890f71edc.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Self-Attention\uff1a\u8ba9\u8f93\u5165\u4f4d\u7f6e\u76f4\u63a5\u4ea4\u6362\u4fe1\u606f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 RNN \u4e2d\uff0c\u53ea\u6709\u5f97\u5230\u524d\u4e00\u4e2a\u4f4d\u7f6e\u7684\u9690\u85cf\u72b6\u6001\uff0c\u624d\u80fd\u7ee7\u7eed\u8ba1\u7b97\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u3002\u53e5\u5c3e\u7684\u8bcd\u60f3\u8981\u83b7\u5f97\u53e5\u9996\u7684\u4fe1\u606f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u5fc5\u987b\u7ecf\u8fc7\u4e2d\u95f4\u591a\u4e2a\u9690\u85cf\u72b6\u6001\u9010\u6b65\u4f20\u9012\u3002\u5e8f\u5217\u8d8a\u957f\uff0c\u4f20\u9012\u8def\u5f84\u8d8a\u957f\uff0c\u540c\u4e00\u5c42\u4e2d\u7684\u4e0d\u540c\u4f4d\u7f6e\u4e5f\u65e0\u6cd5\u540c\u65f6\u5b8c\u6210\u8ba1\u7b97\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Self-Attention \u6539\u53d8\u4e86\u8fd9\u79cd\u4fe1\u606f\u4f20\u9012\u65b9\u5f0f\u3002\u8f93\u5165\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e2a Token \u90fd\u4f1a\u6839\u636e\u81ea\u8eab\u8868\u793a\u751f\u6210 Query\uff0c\u4e0e\u6574\u4e2a\u5e8f\u5217\u4e2d\u5404\u4e2a\u4f4d\u7f6e\u7684 Key \u8ba1\u7b97\u5339\u914d\u7a0b\u5ea6\uff0c\u518d\u6839\u636e\u5f97\u5230\u7684\u6ce8\u610f\u529b\u6743\u91cd\u5bf9\u76f8\u5e94\u7684 Value \u8fdb\u884c\u52a0\u6743\u6c47\u603b\u3002\u8fd9\u6837\uff0c\u6bcf\u4e2a Token \u90fd\u53ef\u4ee5\u76f4\u63a5\u8bfb\u53d6\u5176\u4ed6\u4f4d\u7f6e\u7684\u4fe1\u606f\uff0c\u751f\u6210\u878d\u5408\u4e0a\u4e0b\u6587\u7684\u65b0\u8868\u793a\u3002<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786108151903-88bd681b-7d57-43f0-a4b2-f995441b167e.png\" alt=\"img\"><\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/1560f5200a36f74ab909e116789388e9.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/1560f5200a36f74ab909e116789388e9.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u540c\u4e00\u5c42\u4e2d\uff0c\u5404\u4e2a\u4f4d\u7f6e Token \u5173\u7cfb\u7684\u8ba1\u7b97\u4e0d\u9700\u8981\u7b49\u5f85\u524d\u4e00\u4e2a\u4f4d\u7f6e\u7684\u7ed3\u679c\u3002\u53ea\u8981\u6574\u6bb5\u8f93\u5165\u5df2\u7ecf\u5b58\u5728\uff0c\u6240\u6709 Token \u7684\u6ce8\u610f\u529b\u8ba1\u7b97\u5c31\u53ef\u4ee5\u7ec4\u7ec7\u6210\u77e9\u9635\u5e76\u884c\u5b8c\u6210\uff0c\u8fd9\u6b63\u662f Transformer \u76f8\u6bd4 RNN \u66f4\u9002\u5408\u5e76\u884c\u8bad\u7ec3\u7684\u91cd\u8981\u539f\u56e0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Transformer \u8fd8\u4f7f\u7528\u4e86\u591a\u5934\u6ce8\u610f\u529b\uff0c\u591a\u7ec4\u4e0d\u540c\u7684\u53c2\u6570\u5bf9\u540c\u4e00\u6bb5\u8f93\u5165\u8fdb\u884c\u6620\u5c04\uff0c\u8ba9\u591a\u4e2a Attention Head \u5206\u522b\u4ece\u4e0d\u540c\u7684\u8868\u793a\u7a7a\u95f4\u63d0\u53d6\u4fe1\u606f\uff0c\u6700\u540e\u518d\u5c06\u5404\u4e2a Head \u7684\u7ed3\u679c\u62fc\u63a5\u5e76\u878d\u5408\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Add &amp; Norm\uff1a\u8ba9\u4fe1\u606f\u7a33\u5b9a\u5730\u7a7f\u8fc7\u6df1\u5c42\u7f51\u7edc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u67b6\u6784\u56fe\u4e2d\u7684 <strong>Nx<\/strong> \u4ee3\u8868\u53ef\u4ee5\u5806\u53e0\u591a\u5c42\uff0cSelf-Attention \u5b8c\u6210\u4e86\u4e0d\u540c Token \u4e4b\u95f4\u7684\u4fe1\u606f\u4ea4\u6362\uff0c\u4f46\u968f\u7740\u7f51\u7edc\u4e0d\u65ad\u5806\u53e0\uff0c\u539f\u6709\u4fe1\u606f\u53ef\u80fd\u5728\u8fde\u7eed\u53d8\u6362\u4e2d\u9010\u6e10\u4e22\u5931\uff0c\u5404\u5c42\u8f93\u51fa\u7684\u6570\u503c\u5206\u5e03\u4e5f\u53ef\u80fd\u53d1\u751f\u8f83\u5927\u53d8\u5316\u3002\u56e0\u6b64\uff0cTransformer \u4f1a\u5728\u6bcf\u4e2a\u5b50\u5c42\u4e4b\u540e\u52a0\u5165 Add &amp; Norm\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0cAdd \u8868\u793a\u6b8b\u5dee\u8fde\u63a5\u3002\u5047\u8bbe\u5b50\u5c42\u7684\u8f93\u5165\u4e3a <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/712ecf7894348e92d8779c3ee87eeeb0.svg\">\uff0c\u5b50\u5c42\u5b8c\u6210\u7684\u53d8\u6362\u4e3a <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/c0170ff76378c9e9f3e1d5bb21ac9a56.svg\">\uff0c\u90a3\u4e48\u6b8b\u5dee\u8fde\u63a5\u4f1a\u628a\u539f\u59cb\u8f93\u5165\u76f4\u63a5\u52a0\u56de\u5b50\u5c42\u8f93\u51fa\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/9e923a4b670f11204ec358ed02dc1b16.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/9e923a4b670f11204ec358ed02dc1b16.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Norm \u8868\u793a\u5c42\u5f52\u4e00\u5316\uff08Layer Normalization\uff0cLayerNorm\uff09\u3002\u5b83\u4f1a\u5bf9\u6bcf\u4e2a Token \u9690\u85cf\u8868\u793a\u5185\u90e8\u7684\u5404\u4e2a\u7ef4\u5ea6\u8fdb\u884c\u5f52\u4e00\u5316\uff0c\u5c06\u6570\u503c\u8c03\u6574\u5230\u76f8\u5bf9\u7a33\u5b9a\u7684\u8303\u56f4\uff0c\u51cf\u5c11\u7f51\u7edc\u5c42\u5c42\u5806\u53e0\u65f6\u6570\u503c\u5206\u5e03\u7684\u5267\u70c8\u53d8\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Add &amp; Norm \u7684\u8fc7\u7a0b\u53ef\u4ee5\u5199\u6210\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/bd9939156c303e46460cb1da00c74045.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/bd9939156c303e46460cb1da00c74045.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Encoder \u4e2d\u7684 Self-Attention \u548c FFN \u540e\u9762\u90fd\u8ddf\u7740 Add &amp; Norm\uff0cDecoder \u4e2d\u7684\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u3001\u4ea4\u53c9\u6ce8\u610f\u529b\u548c FFN \u540e\u9762\u4e5f\u5206\u522b\u4f7f\u7528 Add &amp; Norm\uff0c\u4f5c\u7528\u540c\u6837\u662f\u4fdd\u7559\u539f\u59cb\u4fe1\u606f\u3001\u7a33\u5b9a\u6570\u503c\u5206\u5e03\uff0c\u8ba9\u4fe1\u606f\u80fd\u591f\u987a\u5229\u7a7f\u8fc7\u591a\u5c42 Decoder\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FFN\uff1a\u8fdb\u4e00\u6b65\u52a0\u5de5\u6bcf\u4e2a\u4f4d\u7f6e\u7684\u4fe1\u606f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ecf\u8fc7 Encoder \u7684 Self-Attention \u540e\uff0c\u6bcf\u4e2a Token \u5df2\u7ecf\u4ece\u5e8f\u5217\u4e2d\u7684\u5176\u4ed6\u4f4d\u7f6e\u6c47\u603b\u4e86\u4e0e\u81ea\u5df1\u76f8\u5173\u7684\u4fe1\u606f\u3002\u4f46\u6ce8\u610f\u529b\u4e3b\u8981\u89e3\u51b3\u7684\u662f\u201c\u5e94\u8be5\u5173\u6ce8\u54ea\u4e9b\u4f4d\u7f6e\u3001\u4ece\u8fd9\u4e9b\u4f4d\u7f6e\u8bfb\u53d6\u591a\u5c11\u4fe1\u606f\u201d\uff0c\u5f97\u5230\u7684\u4e0a\u4e0b\u6587\u8868\u793a\u8fd8\u9700\u8981\u8fdb\u4e00\u6b65\u52a0\u5de5\uff0c\u624d\u80fd\u5f62\u6210\u66f4\u6709\u8868\u8fbe\u80fd\u529b\u7684\u7279\u5f81\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Transformer \u4f7f\u7528\u524d\u9988\u795e\u7ecf\u7f51\u7edc\u5bf9\u8fd9\u4e9b\u4fe1\u606f\u8fdb\u884c\u91cd\u65b0\u7ec4\u5408\u548c\u8f6c\u6362\u3002FFN \u7531\u4e24\u4e2a\u7ebf\u6027\u5c42\u7ec4\u6210\uff0c\u4e2d\u95f4\u52a0\u5165\u4e00\u4e2a ReLU \u6fc0\u6d3b\u51fd\u6570\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/00e13c7d3c7960c0bdcfc52aeef3d596.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/00e13c7d3c7960c0bdcfc52aeef3d596.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6574\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u5206\u4e3a\u4e09\u6b65\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u4e2a\u7ebf\u6027\u5c42\u5c06\u9690\u85cf\u8868\u793a\u6620\u5c04\u5230\u66f4\u9ad8\u7684\u7ef4\u5ea6\uff0c\u63d0\u4f9b\u66f4\u5bbd\u7684\u7279\u5f81\u7a7a\u95f4\uff1b<\/li>\n\n\n\n<li>ReLU \u5f15\u5165\u975e\u7ebf\u6027\uff0c\u4f7f\u7f51\u7edc\u80fd\u591f\u5b66\u4e60\u66f4\u590d\u6742\u7684\u7279\u5f81\u8f6c\u6362\uff1b<\/li>\n\n\n\n<li>\u7b2c\u4e8c\u4e2a\u7ebf\u6027\u5c42\u5c06\u7ed3\u679c\u6620\u5c04\u56de\u539f\u6765\u7684\u9690\u85cf\u7ef4\u5ea6\uff0c\u4ee5\u4fbf\u4e0e\u6b8b\u5dee\u8fde\u63a5\u76f8\u52a0\uff0c\u5e76\u7ee7\u7eed\u4f20\u9012\u7ed9\u4e0b\u4e00\u5c42\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4 Self-Attention \u8d1f\u8d23\u5728\u4e0d\u540c Token \u4e4b\u95f4\u4ea4\u6362\u4fe1\u606f\uff0cFFN \u8d1f\u8d23\u8fdb\u4e00\u6b65\u52a0\u5de5\u6bcf\u4e2a Token \u5df2\u7ecf\u83b7\u5f97\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">FFN \u5904\u7406\u5b8c\u6210\u540e\uff0c\u6570\u636e\u4f1a\u518d\u6b21\u7ecf\u8fc7 Add &amp; Norm\uff0c\u7136\u540e\u7ee7\u7eed\u8fdb\u5165\u4e0b\u4e00\u5c42 Encoder\u3002\u7ecf\u8fc7\u591a\u5c42 Encoder \u7684\u4fe1\u606f\u4ea4\u6362\u548c\u52a0\u5de5\uff0c\u6a21\u578b\u6700\u7ec8\u4f1a\u4e3a\u6e90\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e2a Token \u751f\u6210\u4e00\u4e2a\u4e0a\u4e0b\u6587\u8868\u793a\u3002\u8fd9\u4e9b\u8868\u793a\u7ecf\u8fc7\u7ebf\u6027\u6620\u5c04\u540e\uff0c\u5c06\u4f5c\u4e3a Decoder Cross-Attention \u4f7f\u7528\u7684 Key \u548c Value\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Masked Self-Attention\uff1a\u8bad\u7ec3\u65f6\u4e5f\u4e0d\u80fd\u770b\u89c1\u672a\u6765<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u63a8\u7406\u9636\u6bb5\uff0cDecoder \u6bcf\u6b21\u53ea\u80fd\u83b7\u5f97\u5df2\u7ecf\u751f\u6210\u7684\u76ee\u6807\u524d\u7f00\uff0c\u672a\u6765\u7684 Token \u5c1a\u4e0d\u5b58\u5728\uff0c\u56e0\u6b64\u672c\u6765\u5c31\u65e0\u4ece\u8bfb\u53d6\u3002<strong>\u63a9\u7801\u771f\u6b63\u9700\u8981\u89e3\u51b3\u7684\u662f\u8bad\u7ec3\u9636\u6bb5\u7684\u95ee\u9898\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bad\u7ec3\u65f6\uff0c\u4e3a\u4e86\u5e76\u884c\u8ba1\u7b97\u6240\u6709\u4f4d\u7f6e\uff0c\u6a21\u578b\u4e0d\u4f1a\u50cf\u63a8\u7406\u65f6\u4e00\u6837\u9010\u4e2a\u751f\u6210 Token\uff0c\u800c\u662f\u901a\u8fc7 Teacher Forcing\uff0c\u4e00\u6b21\u6027\u628a\u53f3\u79fb\u540e\u7684\u5b8c\u6574\u76ee\u6807\u5e8f\u5217\u4ea4\u7ed9 Decoder<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u95ee\u9898\u4e5f\u968f\u4e4b\u51fa\u73b0\uff1a\u65e2\u7136\u5b8c\u6574\u7684\u76ee\u6807\u5e8f\u5217\u5df2\u7ecf\u653e\u8fdb Decoder\uff0c\u5982\u679c\u4e0d\u52a0\u4efb\u4f55\u9650\u5236\uff0c\u7528\u4e8e\u9884\u6d4b\u201c\u559c\u6b22\u201d\u7684\u4f4d\u7f6e\u5c31\u53ef\u80fd\u76f4\u63a5\u8bfb\u53d6\u540e\u9762\u7684\u201c\u559c\u6b22\u201d\uff0c\u76f8\u5f53\u4e8e\u63d0\u524d\u770b\u5230\u4e86\u6b63\u786e\u7b54\u6848\u3002\u6a21\u578b\u53ef\u80fd\u7531\u6b64\u627e\u5230\u4e00\u6761\u8bad\u7ec3\u65f6\u6709\u6548\u3001\u63a8\u7406\u65f6\u5374\u65e0\u6cd5\u4f7f\u7528\u7684\u6377\u5f84\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u4f1a\u5728 Self-Attention \u7684\u57fa\u7840\u4e0a\u589e\u52a0<strong>\u56e0\u679c\u63a9\u7801\uff08Causal Mask\uff09<\/strong>\uff0c\u9650\u5236\u6bcf\u4e2a\u4f4d\u7f6e\u53ea\u80fd\u5173\u6ce8\u81ea\u5df1\u4ee5\u53ca\u524d\u9762\u7684\u4f4d\u7f6e\u3002<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786238672308-a81eab5a-26f2-47a9-bda1-d827261975be.png\" alt=\"img\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ecf\u8fc7\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u540e\uff0cDecoder \u4f1a\u4e3a\u6bcf\u4e2a\u4f4d\u7f6e\u751f\u6210\u4e00\u4efd\u53ea\u5305\u542b\u76ee\u6807\u524d\u7f00\u4fe1\u606f\u7684\u4e0a\u4e0b\u6587\u8868\u793a\u3002\u5b83\u8bb0\u5f55\u4e86\u76ee\u6807\u5e8f\u5217\u5230\u5f53\u524d\u4f4d\u7f6e\u4e3a\u6b62\u5df2\u7ecf\u51fa\u73b0\u7684\u5185\u5bb9\uff0c\u63a5\u4e0b\u6765\u5c06\u4f5c\u4e3a Query\uff0c\u901a\u8fc7\u4ea4\u53c9\u6ce8\u610f\u529b\u4ece Encoder \u8f93\u51fa\u4e2d\u5bfb\u627e\u9884\u6d4b\u4e0b\u4e00\u4e2a Token \u6240\u9700\u8981\u7684\u6e90\u5e8f\u5217\u4fe1\u606f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cross-Attention\uff1a\u8ba9 Decoder \u67e5\u8be2 Encoder<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u6574\u7406\u4e86\u5df2\u7ecf\u751f\u6210\u7684\u76ee\u6807\u5185\u5bb9\uff0c\u4f46\u53ea\u770b\u76ee\u6807\u524d\u7f00\u8fd8\u4e0d\u8db3\u4ee5\u5b8c\u6210\u7ffb\u8bd1\u3002Decoder \u8fd8\u9700\u8981\u77e5\u9053\u6e90\u5e8f\u5217\u8868\u8fbe\u4e86\u4ec0\u4e48\uff0c\u56e0\u6b64\u63a5\u4e0b\u6765\u8981\u901a\u8fc7\u4ea4\u53c9\u6ce8\u610f\u529b\u8bfb\u53d6 Encoder \u7684\u8f93\u51fa\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e00\u6b65\u4e0e Seq2Seq Attention \u7684\u601d\u60f3\u5982\u51fa\u4e00\u8f99\uff0cDecoder \u5148\u63cf\u8ff0\u5f53\u524d\u9700\u8981\u4ec0\u4e48\u4fe1\u606f\uff0c\u518d\u4e0e Encoder \u4fdd\u5b58\u7684\u6e90\u5e8f\u5217\u4fe1\u606f\u8fdb\u884c\u5339\u914d\uff0c\u6700\u540e\u53d6\u51fa\u76f8\u5173\u5185\u5bb9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 Cross-Attention \u4e2d<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Query \u6765\u81ea Decoder \u63a9\u7801\u81ea\u6ce8\u610f\u529b\u4ea7\u751f\u7684\u76ee\u6807\u5e8f\u5217\u4e0a\u4e0b\u6587\u8868\u793a\uff1b<\/li>\n\n\n\n<li>Key \u6765\u81ea Encoder \u8f93\u51fa\u7684\u6e90\u5e8f\u5217\u4e0a\u4e0b\u6587\u8868\u793a\uff1b<\/li>\n\n\n\n<li>Value \u540c\u6837\u6765\u81ea Encoder \u8f93\u51fa\u7684\u6e90\u5e8f\u5217\u4e0a\u4e0b\u6587\u8868\u793a\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u7b80\u5316\u5199\u6210\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/a3fa2813db7d9546c2218a1ebe865a18.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/a3fa2813db7d9546c2218a1ebe865a18.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/55fc237afbe535f7d8434985b848a6a7.svg\">\u8868\u793a Decoder \u6839\u636e\u76ee\u6807\u524d\u7f00\u751f\u6210\u7684\u4e0a\u4e0b\u6587\u8868\u793a\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/ff1b78684db901dd0b7bfa173991deab.svg\">\u8868\u793a Encoder \u8f93\u51fa\u7684\u6e90\u5e8f\u5217\u4e0a\u4e0b\u6587\u8868\u793a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Linear \u548c Softmax\uff1a\u628a\u9690\u85cf\u8868\u793a\u53d8\u6210 Token \u6982\u7387<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Linear \u4f1a\u628a Decoder \u9690\u85cf\u8868\u793a\u6620\u5c04\u5230\u8bcd\u8868\u7a7a\u95f4\uff0c\u4e3a\u6bcf\u4e2a\u4f4d\u7f6e\u8f93\u51fa\u6253\u5206\uff0c\u968f\u540eSoftmax \u5c06\u8fd9\u4e9b\u5206\u6570\u8f6c\u6362\u6210\u603b\u548c\u4e3a 1 \u7684\u6982\u7387\u5206\u5e03\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a8\u7406\u65f6\uff0c\u6a21\u578b\u4f1a\u6839\u636e\u8fd9\u4e2a\u6982\u7387\u5206\u5e03\u9009\u62e9\u4e0b\u4e00\u4e2a Token\uff0c\u5c06\u5b83\u52a0\u5165\u76ee\u6807\u524d\u7f00\uff0c\u518d\u6b21\u9001\u5165 Decoder\uff0c\u7ee7\u7eed\u9884\u6d4b\u540e\u9762\u7684\u5185\u5bb9\u3002\u8fd9\u4e2a\u4e0d\u65ad\u628a\u5df2\u751f\u6210\u7ed3\u679c\u4f5c\u4e3a\u4e0b\u4e00\u6b65\u8f93\u5165\u7684\u8fc7\u7a0b\uff0c\u5c31\u662f\u81ea\u56de\u5f52\u751f\u6210\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bad\u7ec3\u9636\u6bb5\u7531\u4e8e\u6b63\u786e\u7684\u76ee\u6807\u5e8f\u5217\u5df2\u7ecf\u5b58\u5728\uff0cDecoder \u53ef\u4ee5\u540c\u65f6\u5f97\u5230\u5404\u4e2a\u4f4d\u7f6e\u7684\u8f93\u51fa\uff0c\u5e76\u884c\u8ba1\u7b97\u5b83\u4eec\u5728\u8bcd\u8868\u4e0a\u7684\u6982\u7387\u548c\u8bad\u7ec3\u8bef\u5dee\uff1b\u63a8\u7406\u9636\u6bb5\u5219\u53ea\u80fd\u5728\u83b7\u5f97\u524d\u4e00\u4e2a Token \u540e\u7ee7\u7eed\u751f\u6210\u4e0b\u4e00\u4e2a Token\u3002\u56e0\u6b64\uff0cTransformer \u6d88\u9664\u7684\u662f\u5df2\u77e5\u5e8f\u5217\u5185\u90e8\u7684\u5faa\u73af\u8ba1\u7b97\u4f9d\u8d56\uff0c\u5e76\u6ca1\u6709\u6d88\u9664\u81ea\u56de\u5f52\u751f\u6210\u672c\u8eab\u7684\u5148\u540e\u987a\u5e8f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u7801\u5668<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6e90\u5e8f\u5217\u8fdb\u5165 Encoder \u4e4b\u524d\uff0c\u5148\u7ecf\u8fc7 Embedding \u5e76\u52a0\u5165\u4f4d\u7f6e\u4fe1\u606f<\/li>\n\n\n\n<li>Encoder \u4f7f\u7528 Self-Attention \u8ba9\u6e90\u5e8f\u5217\u4e2d\u7684\u4e0d\u540c\u4f4d\u7f6e\u76f4\u63a5\u4ea4\u6362\u4fe1\u606f<\/li>\n\n\n\n<li>\u518d\u901a\u8fc7 Add &amp; Norm \u548c FFN \u7ee7\u7eed\u52a0\u5de5\u6bcf\u4e2a\u4f4d\u7f6e\u7684\u8868\u793a\uff0c\u6700\u7ec8\u8f93\u51fa\u4e00\u7ec4\u6e90\u5e8f\u5217\u4e0a\u4e0b\u6587\u8868\u793a<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u7801\u5668<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u76ee\u6807\u524d\u7f00\u8fdb\u5165 Decoder \u540e\uff0c\u540c\u6837\u5148\u7ecf\u8fc7 Embedding \u548c\u4f4d\u7f6e\u7f16\u7801<\/li>\n\n\n\n<li>Masked Self-Attention \u751f\u6210\u76ee\u6807\u524d\u7f00\u7684\u4e0a\u4e0b\u6587\u8868\u793a\uff0c\u5e76\u7531\u5b83\u8fdb\u4e00\u6b65\u6620\u5c04\u5f97\u5230 Cross-Attention \u7684 Q<\/li>\n\n\n\n<li>Cross-Attention \u518d\u4f7f\u7528\u6765\u81ea Decoder \u7684 Q \u67e5\u8be2\u6765\u81ea Encoder \u7684 K \u548c V<\/li>\n\n\n\n<li>\u7ecf\u8fc7\u540e\u7eed\u7684 FFN \u548c Add &amp; Norm\uff0cDecoder \u5f97\u5230\u7528\u4e8e\u9884\u6d4b Token \u7684\u9690\u85cf\u8868\u793a<\/li>\n\n\n\n<li>\u6700\u540e\u7531 Linear \u548c Softmax \u751f\u6210\u8bcd\u8868\u6982\u7387<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6ce8\u610f\u529b\u7a76\u7adf\u5728\u505a\u4ec0\u4e48<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Transformer \u4e2d\u4f7f\u7528\u4e86\u4e09\u7c7b\u6ce8\u610f\u529b\uff1a\u7f16\u7801\u5668\u4e2d\u7684\u81ea\u6ce8\u610f\u529b\u3001\u89e3\u7801\u5668\u4e2d\u7684\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u548c\u4ea4\u53c9\u6ce8\u610f\u529b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Attention \u4f1a\u8ba1\u7b97\u5e8f\u5217\u4e2d\u4e0d\u540c\u4f4d\u7f6e\u4e4b\u95f4\u7684\u5339\u914d\u5173\u7cfb\uff0c\u518d\u6309\u7167\u5339\u914d\u7a0b\u5ea6\u8bfb\u53d6\u5e76\u6c47\u603b\u4fe1\u606f\uff0c\u4e3a\u6bcf\u4e2a Token \u751f\u6210\u65b0\u7684\u4e0a\u4e0b\u6587\u8868\u793a\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 Attention \u4e4b\u524d\uff0c\u6bcf\u4e2a Token \u7684\u5411\u91cf\u4e3b\u8981\u8868\u793a\u81ea\u8eab\u7684\u8bed\u4e49\u548c\u4f4d\u7f6e\uff1b\u7ecf\u8fc7 Attention \u4e4b\u540e\uff0c\u6bcf\u4e2a Token \u7684\u65b0\u5411\u91cf\u5df2\u7ecf\u878d\u5408\u4e86\u5e8f\u5217\u4e2d\u5176\u4ed6\u76f8\u5173\u4f4d\u7f6e\u7684\u4fe1\u606f\u3002<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786771346856-0a9ae8a1-94be-4321-bc88-0f16f5eacd47.png\" alt=\"img\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u8f83\u4e8e\u57fa\u4e8ecnn\u67b6\u6784\u7684seq2seq,Transformer \u5b8c\u6210\u7684\u662f\u76f8\u540c\u7684\u4efb\u52a1\uff0c\u53ea\u662f\u4e0d\u518d\u4f7f\u7528 RNN \u9010\u6b65\u751f\u6210\u9690\u85cf\u72b6\u6001\uff0c\u800c\u662f\u628a\u7406\u89e3\u5e8f\u5217\u8fd9\u4ef6\u4e8b\u672c\u8eab\u4e5f\u4ea4\u7ed9\u4e86 Attention\u3002\u6574\u4f53\u6d41\u7a0b\u53ef\u4ee5\u6982\u62ec\u4e3a\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Encoder \u4f7f\u7528<strong>\u81ea\u6ce8\u610f\u529b<\/strong>\u5904\u7406\u8f93\u5165\u5e8f\u5217\uff0c\u751f\u6210\u8f93\u5165\u5e8f\u5217\u7684\u4e0a\u4e0b\u6587\u8868\u793a\uff1b<\/li>\n\n\n\n<li>Decoder \u4f7f\u7528<strong>\u63a9\u7801\u81ea\u6ce8\u610f\u529b<\/strong>\u5904\u7406\u5df2\u7ecf\u751f\u6210\u7684\u8f93\u51fa\u5e8f\u5217\uff1b<\/li>\n\n\n\n<li>Decoder \u4f7f\u7528<strong>\u4ea4\u53c9\u6ce8\u610f\u529b<\/strong>\uff0c\u6839\u636e\u5f53\u524d\u751f\u6210\u72b6\u6001\u8bfb\u53d6\u8f93\u5165\u5e8f\u5217\u7684\u4fe1\u606f\uff1b<\/li>\n\n\n\n<li>\u7ecf\u8fc7 FFN\u3001\u7ebf\u6027\u6620\u5c04\u548c Softmax\uff0c\u9884\u6d4b\u4e0b\u4e00\u4e2a Token\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e09\u7c7b\u6ce8\u610f\u529b\u5185\u90e8\u4f7f\u7528\u7684\u662f\u540c\u4e00\u79cd\u8ba1\u7b97\u673a\u5236\uff0c\u4e3b\u8981\u533a\u522b\u5728\u4e8e Query\u3001Key \u548c Value \u6765\u81ea\u54ea\u91cc\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u6ce8\u610f\u529b\u7c7b\u578b<\/strong><\/th><th><strong>Query \u6765\u6e90<\/strong><\/th><th><strong>Key\u3001Value \u6765\u6e90<\/strong><\/th><th><strong>\u4e3b\u8981\u4f5c\u7528<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u81ea\u6ce8\u610f\u529b<\/td><td>\u8f93\u5165\u5e8f\u5217<\/td><td>\u8f93\u5165\u5e8f\u5217<\/td><td>\u751f\u6210\u8f93\u5165\u5e8f\u5217\u7684\u4e0a\u4e0b\u6587\u8868\u793a<\/td><\/tr><tr><td>\u63a9\u7801\u81ea\u6ce8\u610f\u529b<\/td><td>\u8f93\u51fa\u5e8f\u5217<\/td><td>\u8f93\u51fa\u5e8f\u5217<\/td><td>\u751f\u6210\u5f53\u524d\u8f93\u51fa\u524d\u7f00\u7684\u4e0a\u4e0b\u6587\u8868\u793a<\/td><\/tr><tr><td>\u4ea4\u53c9\u6ce8\u610f\u529b<\/td><td>Decoder<\/td><td>Encoder<\/td><td>\u6839\u636e\u5f53\u524d\u751f\u6210\u72b6\u6001\u8bfb\u53d6\u8f93\u5165\u5e8f\u5217<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u8f93\u5165\u5e8f\u5217\u9884\u5904\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fdb\u5165 Encoder \u4e4b\u524d\uff0c\u8f93\u5165\u5e8f\u5217\u4f1a\u9996\u5148\u7ecf\u8fc7 Embedding \u548c Positional Encoding \u5904\u7406\uff0c\u8f6c\u6362\u6210\u4e00\u4e2a\u5e8f\u5217\u8868\u793a\u77e9\u9635\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">I love deep learning<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u6a21\u578b\u4f7f\u7528 512 \u7ef4\u5411\u91cf\u8868\u793a\u6bcf\u4e2a Token\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5e8f\u5217\u4f1a\u5f62\u6210\u4e00\u4e2a <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/e73a9d7a22579f2e5dd75c719bdbd1f7.svg\"> \u7684\u77e9\u9635\uff0c\u77e9\u9635\u4e2d\u7684\u6bcf\u4e00\u884c\u5bf9\u5e94\u4e00\u4e2a Token\uff0c\u5305\u542b\u8fd9\u4e2a Token \u7684\u8bed\u4e49\u548c\u4f4d\u7f6e\u4fe1\u606f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/59c943525c59e9aefddb17f146da6a1f.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/59c943525c59e9aefddb17f146da6a1f.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786774785127-5ad4dbcd-1020-424f-97ac-8afafb5e9f07.png\" alt=\"img\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\uff0c\u6bcf\u4e00\u884c\u4e3b\u8981\u63cf\u8ff0\u7684\u4ecd\u7136\u662f\u5bf9\u5e94 Token \u81ea\u8eab\u3002\u4f8b\u5982\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/3b706851e65404c8b1bb41ab4807a67b.svg\"> \u5305\u542b <code>learning<\/code> \u7684\u8bed\u4e49\u548c\u4f4d\u7f6e\uff0c\u5374\u8fd8\u6ca1\u6709\u76f4\u63a5\u878d\u5408 <code>I<\/code>\u3001<code>love<\/code> \u548c <code>deep<\/code> \u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u4e00\u4e2a Token \u5728\u53e5\u5b50\u4e2d\u7684\u542b\u4e49\u548c\u4f5c\u7528\uff0c\u5f80\u5f80\u53d6\u51b3\u4e8e\u5b83\u4e0e\u5176\u4ed6 Token \u7684\u5173\u7cfb\u3002<code>learning<\/code> \u524d\u9762\u7684 <code>deep<\/code> \u4fee\u9970\u4e86\u5b83\uff0c<code>love<\/code> \u5219\u63cf\u8ff0\u4e86 <code>I<\/code> \u4e0e <code>deep learning<\/code> \u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Self-Attention \u8981\u505a\u7684\u4e8b\u60c5\uff0c\u5c31\u662f\u8ba9\u6bcf\u4e2a\u4f4d\u7f6e\u89c2\u5bdf\u6574\u4e2a\u5e8f\u5217\uff0c\u6839\u636e\u5b83\u4e0e\u5176\u4ed6\u4f4d\u7f6e\u7684\u5173\u7cfb\uff0c\u91cd\u65b0\u751f\u6210\u4e00\u4e2a\u5305\u542b\u4e0a\u4e0b\u6587\u4fe1\u606f\u7684\u5411\u91cf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Q\u3001K\u3001V \u662f\u8f93\u5165\u77e9\u9635\u7684\u4e09\u79cd\u6295\u5f71<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u8ba1\u7b97\u4e0d\u540c\u4f4d\u7f6e\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u6a21\u578b\u4f1a\u5b66\u4e60\u4e09\u7ec4\u53c2\u6570\u77e9\u9635\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/39fcb73745b94c8062ae6ea1fd1f7e6d.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/39fcb73745b94c8062ae6ea1fd1f7e6d.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u5165\u77e9\u9635 <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/94e79ad0c1aabeafef9e2fc4af6adf66.svg\"> \u5206\u522b\u4e0e\u5b83\u4eec\u76f8\u4e58\uff0c\u5f97\u5230 Query\u3001Key \u548c Value\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/0906f5963f30f8efdeae6c4911692e42.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/0906f5963f30f8efdeae6c4911692e42.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u77e9\u9635\u4e58\u6cd5\u4f1a\u4e00\u6b21\u5b8c\u6210\u6240\u6709 Token \u7684\u7ebf\u6027\u6295\u5f71\uff0c\u56e0\u6b64 <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/4ef7132d0df72d9e3db76f6391960a3d.svg\">\u3001<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/38a3f4d664b7a723d138f9d57be0c783.svg\">\u3001<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/9f493997c33913987175caf4a4849955.svg\"> \u4e2d\u4ecd\u7136\u5404\u6709\u4e00\u884c\u5bf9\u5e94\u5e8f\u5217\u4e2d\u7684\u4e00\u4e2a Token\u3002\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\u4e09\u79cd\u6295\u5f71\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Query<\/strong>\uff1a\u63cf\u8ff0\u5f53\u524d\u4f4d\u7f6e\u5728\u66f4\u65b0\u81ea\u8eab\u8868\u793a\u65f6\uff0c\u5e0c\u671b\u5bfb\u627e\u4ec0\u4e48\u4fe1\u606f\uff1b<\/li>\n\n\n\n<li><strong>Key<\/strong>\uff1a\u63cf\u8ff0\u5f53\u524d\u4f4d\u7f6e\u63d0\u4f9b\u4e86\u54ea\u4e9b\u53ef\u4ee5\u53c2\u4e0e\u5339\u914d\u7684\u7279\u5f81\uff1b<\/li>\n\n\n\n<li><strong>Value<\/strong>\uff1a\u63cf\u8ff0\u5339\u914d\u6210\u529f\u540e\uff0c\u5f53\u524d\u4f4d\u7f6e\u771f\u6b63\u63d0\u4f9b\u7ed9\u5176\u4ed6\u4f4d\u7f6e\u7684\u5185\u5bb9\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786775154612-30591b6c-cd24-4599-8ddb-77443822ab90.png\" alt=\"img\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u7684\u201c\u5bfb\u627e\u201d\u201c\u63d0\u4f9b\u201d\u53ea\u662f\u4e3a\u4e86\u5e2e\u52a9\u6211\u4eec\u7406\u89e3 Attention \u7684\u4fe1\u606f\u6d41\u3002Query\u3001Key \u548c Value \u90fd\u662f\u6a21\u578b\u8bad\u7ec3\u51fa\u6765\u7684\u5411\u91cf\uff0c\u6211\u4eec\u65e0\u9700\u628a\u5176\u4e2d\u67d0\u4e2a\u5177\u4f53\u7ef4\u5ea6\u76f4\u63a5\u89e3\u91ca\u6210\u4e00\u79cd\u56fa\u5b9a\u7684\u4eba\u7c7b\u8bed\u4e49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u4e2a Token \u5982\u4f55\u8bfb\u53d6\u6574\u4e2a\u5e8f\u5217<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u9762\u4ee5 <code>learning<\/code> \u4e3a\u4f8b\uff0c\u89c2\u5bdf\u5b83\u5982\u4f55\u901a\u8fc7 Self-Attention \u751f\u6210\u65b0\u7684\u4e0a\u4e0b\u6587\u8868\u793a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786775340156-2c6443b0-8f2a-4be8-a0ee-8796819645f2.png\" alt=\"img\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Query \u4e0e\u6240\u6709 Key \u8ba1\u7b97\u5339\u914d\u5206\u6570<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d6\u51fa <code>learning<\/code> \u5bf9\u5e94\u7684 Query \u5411\u91cf <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/f53e27f1c9060afa7d2b29ac78edf24f.svg\">\uff0c\u5206\u522b\u4e0e\u5e8f\u5217\u4e2d\u6240\u6709 Token \u7684 Key \u505a\u70b9\u79ef\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/a53c09678444ecac0d28214ef70eff81.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/a53c09678444ecac0d28214ef70eff81.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u70b9\u79ef\u7ed3\u679c\u8868\u793a <code>learning<\/code> \u7684 Query \u4e0e\u5404\u4e2a\u4f4d\u7f6e\u7684 Key \u6709\u591a\u5339\u914d\u3002\u8fd9\u91cc\u5f97\u5230\u7684\u53ea\u662f\u5339\u914d\u5206\u6570\uff0c\u8fd8\u4e0d\u662f\u6700\u7ec8\u7684\u4fe1\u606f\u8bfb\u53d6\u6bd4\u4f8b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u9664\u4ee5 <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/ab1300d712e9e97c9e2657c79b9c40a0.svg\"><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740\u5411\u91cf\u7ef4\u5ea6\u589e\u52a0\uff0c\u70b9\u79ef\u7ed3\u679c\u7684\u6570\u503c\u901a\u5e38\u4e5f\u4f1a\u589e\u5927\u3002\u5982\u679c\u76f4\u63a5\u8f93\u5165 Softmax \u8ba1\u7b97\uff0c\u53ef\u80fd\u4f7f\u8f93\u51fa\u5206\u5e03\u8fc7\u4e8e\u96c6\u4e2d\uff0c\u5bfc\u81f4\u68af\u5ea6\u53d8\u5c0f\uff0c\u5f71\u54cd\u8bad\u7ec3\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0cTransformer \u4f1a\u628a\u70b9\u79ef\u7ed3\u679c\u9664\u4ee5<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/ab1300d712e9e97c9e2657c79b9c40a0.svg\">\u8fdb\u884c\u7f29\u653e\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/1dbcade63c0d54d42df63c3aa277d4b1.svg\"> \u8868\u793a\u5f53\u524d\u6ce8\u610f\u529b\u5934\u4e2d Query \u548c Key \u7684\u5411\u91cf\u7ef4\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u4f7f\u7528 Softmax \u5f97\u5230\u6ce8\u610f\u529b\u6743\u91cd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f29\u653e\u540e\u7684\u5339\u914d\u5206\u6570\u7ecf\u8fc7 Softmax\uff0c\u88ab\u8f6c\u6362\u6210\u4e00\u7ec4\u603b\u548c\u4e3a 1 \u7684\u6ce8\u610f\u529b\u6743\u91cd\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/d1340eeb3aef409df0144b7d749ccdb8.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/d1340eeb3aef409df0144b7d749ccdb8.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u6743\u91cd\u8868\u793a\uff1a\u4e3a\u4e86\u66f4\u65b0 <code>learning<\/code> \u7684\u8868\u793a\uff0c\u5f53\u524d\u6ce8\u610f\u529b\u5934\u5e94\u8be5\u4ece\u5404\u4e2a\u4f4d\u7f6e\u8bfb\u53d6\u591a\u5c11\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u6a21\u578b\u53ef\u80fd\u4e3a <code>deep<\/code> \u5206\u914d\u8f83\u9ad8\u6743\u91cd\uff0c\u56e0\u4e3a\u5b83\u4e0e <code>learning<\/code> \u5171\u540c\u6784\u6210\u4e86 <code>deep learning<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u6309\u7167\u6743\u91cd\u6c47\u603b Value<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f97\u5230\u6ce8\u610f\u529b\u6743\u91cd\u4e4b\u540e\uff0c\u6a21\u578b\u4f1a\u6309\u7167\u76f8\u5e94\u6bd4\u4f8b\uff0c\u5bf9\u6240\u6709\u4f4d\u7f6e\u7684 Value \u8fdb\u884c\u52a0\u6743\u6c42\u548c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/6e1bc512b4f6fa55e604684ca6fde499.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/6e1bc512b4f6fa55e604684ca6fde499.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u7ec8\u5f97\u5230\u7684 <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/8849500a515fc6c63f2e95b15b640e57.svg\">\uff0c\u5c31\u662f <code>learning<\/code> \u5728\u8fd9\u4e2a\u6ce8\u610f\u529b\u5934\u4e2d\u751f\u6210\u7684\u65b0\u8868\u793a\u3002\u5b83\u4e0d\u518d\u53ea\u5305\u542b <code>learning<\/code> \u81ea\u8eab\u7684\u4fe1\u606f\uff0c\u8fd8\u878d\u5408\u4e86 <code>I<\/code>\u3001<code>love<\/code>\u3001<code>deep<\/code> \u548c\u81ea\u8eab Value \u4e2d\u4e0e\u5f53\u524d Query \u76f8\u5173\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u77e9\u9635\u4ece\u4e00\u4e2a Token \u6269\u5c55\u5230\u6574\u4e2a\u5e8f\u5217<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e2a Token \u90fd\u9700\u8981\u7ecf\u5386\u76f8\u540c\u7684\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528\u81ea\u5df1\u7684 Query \u4e0e\u6240\u6709\u4f4d\u7f6e\u7684 Key \u8ba1\u7b97\u5339\u914d\u5206\u6570\uff1b<\/li>\n\n\n\n<li>\u901a\u8fc7 Softmax \u628a\u5339\u914d\u5206\u6570\u8f6c\u6362\u6210\u6ce8\u610f\u529b\u6743\u91cd\uff1b<\/li>\n\n\n\n<li>\u6309\u7167\u6743\u91cd\u5bf9\u6240\u6709\u4f4d\u7f6e\u7684 Value \u52a0\u6743\u6c42\u548c\uff1b<\/li>\n\n\n\n<li>\u5f97\u5230\u5f53\u524d\u4f4d\u7f6e\u65b0\u7684\u4e0a\u4e0b\u6587\u8868\u793a\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u77e9\u9635\u4e58\u6cd5\uff0c\u53ef\u4ee5\u4e00\u6b21\u5b8c\u6210\u6574\u4e2a\u5e8f\u5217\u7684\u8ba1\u7b97\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u8ba1\u7b97\u6ce8\u610f\u529b\u6743\u91cd\u77e9\u9635\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/9bcffe3910f68c252f3cbe840673fbbc.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/9bcffe3910f68c252f3cbe840673fbbc.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5e8f\u5217\u4e2d\u6709<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/459f3c80a50b7be28751b0869ef5386a.svg\">\u4e2a Token\uff0c\u90a3\u4e48\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/9ed652089c8ec4da0ecf013d92e382ba.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/9ed652089c8ec4da0ecf013d92e382ba.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u77e9\u9635<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/de951302f41d4707b9d80ca1af34dd0f.svg\">\u7684\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2443fbcfeb7e85e1d62b6f5e4f27207e.svg\">\u884c\u3001\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/036441a335dd85c838f76d63a3db2363.svg\">\u5217\uff0c\u8868\u793a\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2443fbcfeb7e85e1d62b6f5e4f27207e.svg\">\u4e2a\u4f4d\u7f6e\u5728\u66f4\u65b0\u81ea\u8eab\u8868\u793a\u65f6\uff0c\u5bf9\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/036441a335dd85c838f76d63a3db2363.svg\">\u4e2a\u4f4d\u7f6e\u5206\u914d\u7684\u6ce8\u610f\u529b\u6743\u91cd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\u6a21\u578b\u4f7f\u7528<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/de951302f41d4707b9d80ca1af34dd0f.svg\">\u5bf9 Value \u8fdb\u884c\u52a0\u6743\u6c47\u603b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/23639fda44f79e1a6eb96f93b6d836d2.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/23639fda44f79e1a6eb96f93b6d836d2.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5408\u5e76\u540e\uff0c\u5c31\u662f\u6211\u4eec\u7ecf\u5e38\u770b\u5230\u7684\u7f29\u653e\u70b9\u79ef\u6ce8\u610f\u529b\u516c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/308909310a0ccf6787cc2c11f2ddbaf2.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/308909310a0ccf6787cc2c11f2ddbaf2.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\u77e9\u9635<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/a946bfe2d39be198589a4de189e0f670.svg\">\u4e2d\u7684\u6bcf\u4e00\u884c\uff0c\u90fd\u662f\u4e00\u4e2a Token \u878d\u5408\u4e0a\u4e0b\u6587\u4fe1\u606f\u4e4b\u540e\u7684\u65b0\u8868\u793a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0cAttention \u7684\u5b8c\u6574\u4f5c\u7528\u4e0d\u53ea\u662f\u5224\u65ad\u54ea\u4e9b\u8bcd\u66f4\u91cd\u8981\uff0c\u800c\u662f<strong>\u5148\u8ba1\u7b97\u4e0d\u540c\u4f4d\u7f6e\u4e4b\u95f4\u7684\u5339\u914d\u5173\u7cfb\uff0c\u518d\u6309\u7167\u8fd9\u4e9b\u5173\u7cfb\u91cd\u65b0\u7ec4\u7ec7\u4fe1\u606f\uff0c\u751f\u6210\u6574\u4e2a\u5e8f\u5217\u65b0\u7684\u4e0a\u4e0b\u6587\u8868\u793a\u3002<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u63a9\u7801\u81ea\u6ce8\u610f\u529b\uff1a\u7406\u89e3\u5df2\u7ecf\u751f\u6210\u7684\u5185\u5bb9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Decoder \u4e2d\u7684\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u4e0e Encoder \u81ea\u6ce8\u610f\u529b\u4f7f\u7528\u76f8\u540c\u7684\u8ba1\u7b97\u8fc7\u7a0b\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u751f\u6210\u76ee\u6807\u5e8f\u5217\u7684\u4e0a\u4e0b\u6587\u8868\u793a\u3002\u4e24\u8005\u7684\u533a\u522b\u5728\u4e8e Decoder \u5728<strong>\u8bad\u7ec3<\/strong>\u65f6\u53ef\u4ee5\u4e00\u6b21\u63a5\u6536\u5230\u5b8c\u6574\u7684\u76ee\u6807\u5e8f\u5217\u3002\u5982\u679c\u4e0d\u505a\u4efb\u4f55\u9650\u5236\uff0c\u524d\u9762\u7684\u4f4d\u7f6e\u5c31\u53ef\u80fd\u76f4\u63a5\u8bfb\u53d6\u540e\u9762\u7684\u6b63\u786e\u7b54\u6848\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u6a21\u578b\u9700\u8981\u4f7f\u7528\u56e0\u679c\u63a9\u7801\u906e\u6321\u672a\u6765\u4f4d\u7f6e\uff0c\u4f7f\u7b2c <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/cead1760d9d5723460c4b8d4028f113a.svg\"> \u4e2a\u4f4d\u7f6e\u53ea\u80fd\u5173\u6ce8\u81ea\u5df1\u4ee5\u53ca\u5b83\u4e4b\u524d\u7684 Token\uff0c\u4e0d\u80fd\u8bfb\u53d6\u540e\u9762\u7684\u5185\u5bb9\u3002\u4e5f\u5c31\u662f\u8bf4\u63a9\u7801\u662f\u4e3a\u4e86\u9632\u6b62\u8bad\u7ec3\u65f6\u51fa\u73b0\u76ee\u6807\u4fe1\u606f\u6cc4\u6f0f\uff0c\u4f7f\u6a21\u578b\u8bad\u7ec3\u65f6\u6bcf\u4e2a\u4f4d\u7f6e\u7684\u53ef\u89c1\u8303\u56f4\u4e0e\u63a8\u7406\u65f6\u81ea\u56de\u5f52\u751f\u6210\u65f6\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786776255358-2676b791-08e8-4c8b-96ab-0d3cddd78bce.png\" alt=\"img\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u9700\u8981\u628a\u4e0b\u9762\u7684\u5e8f\u5217\u7ffb\u8bd1\u6210\u4e2d\u6587\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">I love deep learning<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a8\u7406\u521a\u5f00\u59cb\u65f6\uff0cDecoder \u7684\u8f93\u5165\u53ea\u6709\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;BOS&gt;<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ecf\u8fc7 Embedding\u3001Positional Encoding \u548c\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u4e4b\u540e\uff0cDecoder \u4f1a\u5f97\u5230 <code>&lt;BOS&gt;<\/code> \u5bf9\u5e94\u7684\u8868\u793a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u751f\u6210\u201c\u6211\u201d\u4ee5\u540e\uff0cDecoder \u7684\u8f93\u5165\u53d8\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;BOS&gt; \u6211<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\uff0c\u201c\u6211\u201d\u6240\u5728\u4f4d\u7f6e\u53ef\u4ee5\u8bfb\u53d6 <code>&lt;BOS&gt;<\/code> \u548c\u81ea\u8eab\u7684\u4fe1\u606f\uff0c\u4ece\u800c\u751f\u6210\u4e00\u4e2a\u5305\u542b\u5f53\u524d\u6574\u4e2a\u8f93\u51fa\u524d\u7f00\u4fe1\u606f\u7684\u65b0\u8868\u793a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u52a0\u5165\u63a9\u7801\u540e\u7684 Attention \u53ef\u4ee5\u7b80\u5316\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/3afe4a572b369127e180b146bd661d44.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/3afe4a572b369127e180b146bd661d44.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/6f5dde593f0bc27956e14b5eaec2ed17.svg\"> \u662f\u56e0\u679c\u63a9\u7801\u77e9\u9635\u3002\u5141\u8bb8\u5173\u6ce8\u7684\u4f4d\u7f6e\u53d6 0\uff0c\u9700\u8981\u906e\u6321\u7684\u4f4d\u7f6e\u53d6\u8d1f\u65e0\u7a77\u3002\u7ecf\u8fc7 Softmax \u540e\uff0c\u88ab\u906e\u6321\u4f4d\u7f6e\u7684\u6ce8\u610f\u529b\u6743\u91cd\u4f1a\u53d8\u6210 0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u867d\u7136\u63a8\u7406\u65f6\u901a\u5e38\u4f7f\u7528\u6700\u65b0\u4f4d\u7f6e\u7684\u8868\u793a\u9884\u6d4b\u4e0b\u4e00\u4e2a Token\uff0c\u4f46\u8fd9\u4e2a\u8868\u793a\u5df2\u7ecf\u901a\u8fc7\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u878d\u5408\u4e86\u5f53\u524d\u6574\u4e2a\u751f\u6210\u524d\u7f00\u7684\u4fe1\u606f\u3002\u56e0\u6b64\uff0c\u5b83\u4e0d\u662f\u53ea\u8868\u793a\u201c\u6211\u201d\u8fd9\u4e2a Token\uff0c\u800c\u662f\u8868\u793a\u6a21\u578b\u5f53\u524d\u751f\u6210\u5230\u54ea\u91cc\u7684\u6574\u4f53\u72b6\u6001\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ea4\u53c9\u6ce8\u610f\u529b\uff1a\u6839\u636e\u5f53\u524d\u72b6\u6001\u8bfb\u53d6\u8f93\u5165\u5e8f\u5217<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ecf\u8fc7\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u4e4b\u540e\uff0cDecoder \u5df2\u7ecf\u5f62\u6210\u4e86\u5f53\u524d\u8f93\u51fa\u5e8f\u5217\u7684\u4e0a\u4e0b\u6587\u8868\u793a\uff0c\u4f46\u5b83\u8fd8\u9700\u8981\u56de\u5230\u8f93\u5165\u5e8f\u5217\u4e2d\uff0c\u8bfb\u53d6\u9884\u6d4b\u4e0b\u4e00\u4e2a Token \u6240\u9700\u7684\u4fe1\u606f\uff0c\u8fd9\u5c31\u8981\u8fdb\u5165\u4ea4\u53c9\u6ce8\u610f\u529b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e4b\u6240\u4ee5\u79f0\u4e3a\u4ea4\u53c9\u6ce8\u610f\u529b\uff0c\u662f\u56e0\u4e3a Query \u4e0e Key\u3001Value \u6765\u81ea\u4e24\u4e2a\u4e0d\u540c\u7684\u5e8f\u5217\u3002\u4ea4\u53c9\u6ce8\u610f\u529b\u4e2d Q\u3001K\u3001V \u7684\u6765\u6e90\u5206\u522b\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Query \u6765\u81ea Decoder \u7684\u5f53\u524d\u5e8f\u5217\u8868\u793a\uff1b<\/li>\n\n\n\n<li>Key \u548c Value \u6765\u81ea Encoder \u7684\u6700\u7ec8\u8f93\u51fa\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786776881618-73f605ff-7ab1-4dd7-8040-88b429c7aac0.png\" alt=\"img\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe Encoder \u5bf9\u8f93\u5165\u5e8f\u5217\u751f\u6210\u4e86\u4e0a\u4e0b\u6587\u8868\u793a <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/ff1b78684db901dd0b7bfa173991deab.svg\">\uff0cDecoder \u7ecf\u8fc7\u63a9\u7801\u81ea\u6ce8\u610f\u529b\u540e\u751f\u6210\u4e86\u8868\u793a <img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/ca9972fb0e732f9a939604a4b2e0f4c0.svg\">\uff0c\u90a3\u4e48\u4ea4\u53c9\u6ce8\u610f\u529b\u4e2d\u7684 Q\u3001K\u3001V \u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/94320d15de789b6c08936ef181d43759.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/94320d15de789b6c08936ef181d43759.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u540e\u4ecd\u7136\u4f7f\u7528\u76f8\u540c\u7684 Attention \u516c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/899a7fd4af5efc38e0ad25699f3e40b4.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/899a7fd4af5efc38e0ad25699f3e40b4.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u7406\u89e3\u4e3a\uff1a<strong>Decoder \u6839\u636e\u5f53\u524d\u5df2\u7ecf\u751f\u6210\u7684\u5185\u5bb9\u5f62\u6210 Query\uff0c\u518d\u7528\u5b83\u67e5\u8be2 Encoder \u5bf9\u8f93\u5165\u5e8f\u5217\u7684\u8868\u793a\uff0c\u5f97\u5230\u9884\u6d4b\u4e0b\u4e00\u4e2a Token \u6240\u9700\u7684\u6e90\u5e8f\u5217\u4fe1\u606f\u3002<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Multi-Head Attention \u7684\u5de5\u4f5c\u6d41\u7a0b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5355\u5934 Attention \u4e2d\uff0c\u8f93\u5165\u5e8f\u5217\u8868\u793a<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/94e79ad0c1aabeafef9e2fc4af6adf66.svg\">\u7ecf\u8fc7\u4e09\u7ec4\u53c2\u6570\u77e9\u9635\u5f97\u5230 Query\u3001Key \u548c Value\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/0906f5963f30f8efdeae6c4911692e42.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/0906f5963f30f8efdeae6c4911692e42.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u8ba1\u7b97\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/919cc55e5ca4316891a2770187173b4e.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/919cc55e5ca4316891a2770187173b4e.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Multi-Head Attention \u7684\u601d\u8def\u662f\u5728\u540c\u4e00\u4e2a\u8f93\u5165\u5e8f\u5217\u4e0a\u5e76\u884c\u8fdb\u884c\u591a\u6b21 Attention\uff0c\u8ba9\u4e0d\u540c\u7684 Head \u4ece\u4e0d\u540c\u8f83\u4f4e\u63d0\u53d6\u7279\u5f81\uff0c\u5f62\u6210\u81ea\u5df1\u5bf9\u5e8f\u5217\u7406\u89e3\u7684\u5339\u914d\u5173\u7cfb\uff0c\u6700\u540e\u518d\u628a\u591a\u4e2a Head \u5f97\u5230\u7684\u7ed3\u679c\u7ec4\u5408\u8d77\u6765\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5982\u679c\u591a\u4e2a Head \u4f7f\u7528\u5b8c\u5168\u76f8\u540c\u7684 Q\u3001K\u3001V\uff0c\u90a3\u4e48\u5b83\u4eec\u8ba1\u7b97\u51fa\u6765\u7684\u7ed3\u679c\u4e5f\u4e0d\u4f1a\u6709\u4ec0\u4e48\u533a\u522b\u3002\u4e3a\u4e86\u8ba9\u4e0d\u540c Head \u80fd\u591f\u5b66\u4e60\u4e0d\u540c\u7684\u5339\u914d\u65b9\u5f0f\uff0c\u6a21\u578b\u4f1a\u4e3a\u6bcf\u4e2a Head \u5206\u522b\u5b66\u4e60\u4e00\u7ec4\u72ec\u7acb\u7684\u6295\u5f71\u53c2\u6570\u3002\u5bf9\u4e8e\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2443fbcfeb7e85e1d62b6f5e4f27207e.svg\">\u4e2a Head\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/d97f9a65659604a59393b6bc24cee733.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/d97f9a65659604a59393b6bc24cee733.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2a Head \u518d\u4f7f\u7528\u81ea\u5df1\u7684 Query\u3001Key \u548c Value \u72ec\u7acb\u5b8c\u6210\u4e00\u6b21 Attention\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/6a8581c9229174774ffaa882bcc8450f.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/6a8581c9229174774ffaa882bcc8450f.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6a21\u578b\u4e00\u5171\u4f7f\u7528<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/67df0f404d0960fadcc99f6258733f22.svg\">\u4e2a Head\uff0c\u5c31\u4f1a\u5f97\u5230<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/07e3146d95a546d256b301c85d3580bb.svg\">\u8fd9\u4e9b\u4e0d\u540c\u7684\u8f93\u51fa\u3002\u5b83\u4eec\u968f\u540e\u88ab\u62fc\u63a5\u5230\u4e00\u8d77\uff0c\u5e76\u7ecf\u8fc7\u4e00\u6b21\u7ebf\u6027\u6620\u5c04\uff0c\u91cd\u65b0\u5f62\u6210\u7edf\u4e00\u7684\u5e8f\u5217\u8868\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/1654963a81a99c0301c5190682b8867e.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/1654963a81a99c0301c5190682b8867e.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786849254073-17f0955f-825b-45f9-b28f-c7fc5d1e034a.png\" alt=\"img\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Multi-Head Attention \u5bf9\u540c\u4e00\u4e2a\u8f93\u5165\u5e8f\u5217\u7ecf\u8fc7\u591a\u7ec4\u4e0d\u540c\u7684 Q\u3001K\u3001V \u6295\u5f71\uff0c\u5206\u522b\u5b8c\u6210 Attention\uff0c\u518d\u5c06\u591a\u4e2a Head \u7684\u7ed3\u679c\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u7684\u5e8f\u5217\u8868\u793a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u591a\u4e2a Head \u7684\u77e9\u9635\u7ef4\u5ea6\u5982\u4f55\u53d8\u5316<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u4e2a Head \u867d\u7136\u80fd\u591f\u4ece\u4e0d\u540c\u7684\u8868\u793a\u7a7a\u95f4\u8ba1\u7b97 Attention\uff0c\u4f46\u5982\u679c\u6bcf\u4e2a Head \u90fd\u5904\u7406\u5b8c\u6574\u7684<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/06f9c341dca78ca8c823d328fe27f3a8.svg\">\u7ef4\u5411\u91cf\uff0c\u8ba1\u7b97\u91cf\u4e5f\u4f1a\u968f Head \u6570\u91cf\u5feb\u901f\u589e\u52a0\u3002Transformer \u5e76\u6ca1\u6709\u7b80\u5355\u5730\u590d\u5236\u591a\u4efd\u5b8c\u6574\u7684 Attention\uff0c\u800c\u662f\u8fdb\u4e00\u6b65\u5bf9\u6bcf\u4e2a Head \u7684\u7ef4\u5ea6\u8fdb\u884c\u4e86\u62c6\u5206\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/768b5c14f533ace270dc16c04f9123cd.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/768b5c14f533ace270dc16c04f9123cd.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u4e48\u6bcf\u4e2a Head \u7684 Query\u3001Key \u548c Value \u7ef4\u5ea6\u901a\u5e38\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/a9a300fe63be9d55ce4674818c00acba.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/a9a300fe63be9d55ce4674818c00acba.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5f53\u524d\u5e8f\u5217\u4e2d\u6709<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/459f3c80a50b7be28751b0869ef5386a.svg\">\u4e2a Token\uff0c\u539f\u59cb\u8f93\u5165\u77e9\u9635\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/fd48ad738485f34d341257cd2443b72e.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/fd48ad738485f34d341257cd2443b72e.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ecf\u8fc7\u4e0d\u540c Head \u7684\u6295\u5f71\u4ee5\u540e\uff0c\u6bcf\u4e2a Head \u5f97\u5230\u7684 Query\u3001Key \u548c Value \u90fd\u662f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/a9131d6ee22a11809b3c0ba3649f3e1d.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/a9131d6ee22a11809b3c0ba3649f3e1d.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\u5728\u6bcf\u4e2a Head \u5185\u90e8\u8ba1\u7b97 Query \u4e0e Key \u7684\u5339\u914d\u5173\u7cfb\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/f77cd61bfa9999c209b5dcb14c42cf93.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/f77cd61bfa9999c209b5dcb14c42cf93.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u65e0\u8bba\u6bcf\u4e2a Head \u7684\u5185\u90e8\u7ef4\u5ea6\u662f\u591a\u5c11\uff0c\u5b83\u5f97\u5230\u7684\u6ce8\u610f\u529b\u6743\u91cd\u77e9\u9635\u4ecd\u7136\u662f<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/33913e46e9446e4390959a6d52f0f23f.svg\">\u3002\u8fd9\u4e2a\u77e9\u9635\u63cf\u8ff0\u7684\u4f9d\u7136\u662f\u5e8f\u5217\u4e2d<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/459f3c80a50b7be28751b0869ef5386a.svg\">\u4e2a\u4f4d\u7f6e\u5f7c\u6b64\u4e4b\u95f4\u7684\u5339\u914d\u5173\u7cfb\uff0c\u53ea\u662f\u4e0d\u540c Head \u4f1a\u5f97\u5230\u4e0d\u540c\u7684\u6743\u91cd\u5206\u5e03\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u540e\uff0c\u6ce8\u610f\u529b\u6743\u91cd\u4e0e Value \u76f8\u4e58\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/66a406be81e13fa19ab9b67d0a67b9f7.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/66a406be81e13fa19ab9b67d0a67b9f7.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u6bcf\u4e2a Head \u7684\u6700\u7ec8\u8f93\u51fa\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/4ed0a1a0bc01304213dea43c6350d10d.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/4ed0a1a0bc01304213dea43c6350d10d.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">8 \u4e2a Head \u5404\u81ea\u5f97\u5230\u4e00\u4e2a<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/155451e4263bfd1d2a824b214636d447.svg\">\u7684\u7ed3\u679c\uff0c\u62fc\u63a5\u4e4b\u540e\u91cd\u65b0\u6062\u590d\u6210\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/fbec0e82c3e7ce3ecdd3e008177266dc.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/fbec0e82c3e7ce3ecdd3e008177266dc.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786851286699-f2c42bdb-d163-4061-bc59-41756bae6c68.png\" alt=\"img\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u770b\u5230\uff0cMulti-Head Attention \u5e76\u4e0d\u662f\u8ba9 8 \u4e2a Head \u90fd\u5904\u7406\u5b8c\u6574\u7684 512 \u7ef4\u8868\u793a\uff0c\u800c\u662f\u628a\u539f\u6765\u7684\u8868\u793a\u7a7a\u95f4\u5212\u5206\u6210\u591a\u4e2a\u8f83\u5c0f\u7684\u5b50\u7a7a\u95f4\uff0c\u8ba9\u4e0d\u540c Head \u5206\u522b\u5b8c\u6210 Attention\uff0c\u6700\u540e\u518d\u62fc\u63a5\u56de\u6765\u3002\u8fd9\u6837\u65e2\u53ef\u4ee5\u83b7\u5f97\u591a\u7ec4\u4e0d\u540c\u7684\u6ce8\u610f\u529b\u5173\u7cfb\uff0c\u53c8\u4e0d\u4f1a\u7b80\u5355\u5730\u628a\u8ba1\u7b97\u89c4\u6a21\u6269\u5927 8 \u500d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u7801\u5b9e\u73b0\u65f6\uff0c\u591a\u4e2a Head \u5e76\u4e0d\u4f1a\u901a\u8fc7\u5faa\u73af\u9010\u4e2a\u8ba1\u7b97\uff0c\u800c\u662f\u5c06 Head \u4f5c\u4e3a\u5f20\u91cf\u4e2d\u7684\u4e00\u4e2a\u7ef4\u5ea6\u7ec4\u7ec7\u8d77\u6765\uff0c\u5229\u7528\u77e9\u9635\u8fd0\u7b97\u4e00\u6b21\u5e76\u884c\u5b8c\u6210\u6240\u6709 Head \u7684 Attention \u8ba1\u7b97\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4f4d\u7f6e\u7f16\u7801<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Embedding \u8d1f\u8d23\u8868\u793a\u8fd9\u662f\u4ec0\u4e48 Token\uff0c\u4f4d\u7f6e\u7f16\u7801\uff08Positional Encoding\uff09\u8d1f\u8d23\u8868\u793a\u8fd9\u4e2a Token \u51fa\u73b0\u5728\u4ec0\u4e48\u4f4d\u7f6e\u3002\u5bf9\u4e8e\u5e8f\u5217\u4e2d\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2443fbcfeb7e85e1d62b6f5e4f27207e.svg\">\u4e2a Token\uff0cTransformer \u4f1a\u628a\u5b83\u7684 Token Embedding \u4e0e\u5bf9\u5e94\u7684\u4f4d\u7f6e\u7f16\u7801\u76f8\u52a0\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/011a3fede4f60db30f22c3f890f71edc.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/011a3fede4f60db30f22c3f890f71edc.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/5b13ed0ae41bee9defcf75f2efc5f060.svg\">\u8868\u793a\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2443fbcfeb7e85e1d62b6f5e4f27207e.svg\">\u4e2a Token\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/1b058b79f691a127970f5c24036303e3.svg\">\u662f\u5b83\u7684\u8bed\u4e49\u8868\u793a\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/f1c47e34af04dda94acc62da0319e599.svg\">\u5219\u662f\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2443fbcfeb7e85e1d62b6f5e4f27207e.svg\">\u4e2a\u4f4d\u7f6e\u5bf9\u5e94\u7684\u4f4d\u7f6e\u8868\u793a\u3002\u76f8\u52a0\u5f97\u5230\u7684<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/7ca2ff984e95d4a9e44fe7498e281020.svg\">\u4e0d\u518d\u53ea\u63cf\u8ff0\u5f53\u524d Token \u662f\u4ec0\u4e48\uff0c\u8fd8\u5305\u542b\u4e86\u5b83\u51fa\u73b0\u5728\u4ec0\u4e48\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">dog bites man<br>man bites dog<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e24\u6b21\u51fa\u73b0\u7684<code>dog<\/code>\u4f7f\u7528\u540c\u4e00\u4e2a Token Embedding\uff0c\u4f46\u7531\u4e8e\u5b83\u4eec\u6240\u5728\u7684\u4f4d\u7f6e\u4e0d\u540c\uff0c\u9700\u8981\u53e0\u52a0\u7684\u4f4d\u7f6e\u7f16\u7801\u4e5f\u4e0d\u540c\uff0c\u56e0\u6b64\u6700\u7ec8\u9001\u5165\u6a21\u578b\u7684\u8868\u793a\u5206\u522b\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/b3c5b2fd31db6af0577dcc831067f98c.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/b3c5b2fd31db6af0577dcc831067f98c.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/575565d21ffb7eb83ac292dc68c78f3b.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/575565d21ffb7eb83ac292dc68c78f3b.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2026\/png\/87727\/1786940685199-600d788b-e095-4862-bfb8-2d35e58a114c.png\" alt=\"img\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u4e00\u6765\uff0c\u5373\u4f7f Token \u672c\u8eab\u76f8\u540c\uff0c\u53ea\u8981\u5b83\u51fa\u73b0\u5728\u4e0d\u540c\u4f4d\u7f6e\uff0c\u6700\u7ec8\u5f97\u5230\u7684\u8f93\u5165\u8868\u793a\u5c31\u4f1a\u4e0d\u540c\u3002\u540e\u7eed\u7531<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/94e79ad0c1aabeafef9e2fc4af6adf66.svg\">\u751f\u6210\u7684 Query\u3001Key \u548c Value \u4e5f\u4f1a\u53d7\u5230\u4f4d\u7f6e\u4fe1\u606f\u5f71\u54cd\uff0c\u4f7f Self-Attention \u5728\u8ba1\u7b97 Token \u4e4b\u95f4\u7684\u5339\u914d\u5173\u7cfb\u65f6\uff0c\u53ef\u4ee5\u540c\u65f6\u5229\u7528\u8bed\u4e49\u4e0e\u987a\u5e8f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Transformer 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src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/173bfc48d973b47a7c46aa17c2d98a57.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/173bfc48d973b47a7c46aa17c2d98a57.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/c4b4aed21f876065eeb9187248d57f19.svg\">\u8868\u793a Token \u5728\u5e8f\u5217\u4e2d\u7684\u4f4d\u7f6e\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/d775db00ee6c94e33d1f504cab4e789e.svg\">\u8868\u793a\u6a21\u578b\u7684\u9690\u85cf\u7ef4\u5ea6\u3002\u8fd9\u91cc\u7684<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2443fbcfeb7e85e1d62b6f5e4f27207e.svg\">\u4e0d\u662f\u5355\u4e2a\u7ef4\u5ea6\u7684\u7f16\u53f7\uff0c\u800c\u662f\u6b63\u5f26\u3001\u4f59\u5f26\u7ec4\u5408\u7684\u7f16\u53f7\u3002\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2443fbcfeb7e85e1d62b6f5e4f27207e.svg\">\u7ec4\u8ba1\u7b97\u4f1a\u4ea7\u751f\u4e24\u4e2a\u6570\uff0c\u5e76\u5206\u522b\u5199\u5165\u4f4d\u7f6e\u5411\u91cf\u7684\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/502743f1792bdf8c7c4622db537e4059.svg\">\u548c\u7b2c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/c34f8016b9e2fbb16985e33fb6b66d0d.svg\">\u4e2a\u7ef4\u5ea6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/502743f1792bdf8c7c4622db537e4059.svg\" alt=\"img\">\u4e2a\u7ef4\u5ea6\u4f7f\u7528\u6b63\u5f26\u51fd\u6570\uff1b<\/li>\n\n\n\n<li>\u7b2c<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/c34f8016b9e2fbb16985e33fb6b66d0d.svg\" alt=\"img\">\u4e2a\u7ef4\u5ea6\u4f7f\u7528\u4f59\u5f26\u51fd\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff0c<strong>\u4e00\u79cd\u9891\u7387\u4f1a\u5360\u7528\u4f4d\u7f6e\u5411\u91cf\u4e2d\u7684\u4e24\u4e2a\u7ef4\u5ea6\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f4d\u7f6e\u7f16\u7801\u9700\u8981<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/afb0613a26341d701b3967ba170aa30c.svg\">\u7ef4\uff0c\u5c31\u4f7f\u7528<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2b89979f54ec02a7bf87aa0c1ea58ff9.svg\">\u7ec4\u9891\u7387\uff1b\u5982\u679c\u4f4d\u7f6e\u7f16\u7801\u9700\u8981<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/f5794288c516a700737ae84b490f2ca9.svg\">\u7ef4\uff0c\u5c31\u4f7f\u7528<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/afb0613a26341d701b3967ba170aa30c.svg\">\u7ec4\u9891\u7387\u3002\u4e00\u822c\u6765\u8bf4\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/9318aba641153b1fa11d4375991b01a4.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/9318aba641153b1fa11d4375991b01a4.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u5982\u679c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/8053a44c46cfdec31995d1a82ab98646.svg\">\uff0c\u5c31\u4f1a\u4f7f\u7528<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/b6740483d867ae4320ac5c5dd034112e.svg\">\u7ec4\u4e0d\u540c\u9891\u7387\uff0c\u6bcf\u7ec4\u751f\u6210\u4e00\u4e2a\u6b63\u5f26\u503c\u548c\u4e00\u4e2a\u4f59\u5f26\u503c\uff0c\u6700\u7ec8\u5f97\u5230\u4e00\u4e2a<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/b18970e691ced2ba531e8647efd946da.svg\">\u7ef4\u7684\u4f4d\u7f6e\u5411\u91cf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f4d\u7f6e\u7f16\u7801\u7684\u7ef4\u5ea6\u4e0d\u662f\u7531\u6b63\u5f26\u548c\u4f59\u5f26\u51fd\u6570\u81ea\u52a8\u51b3\u5b9a\u7684\uff0c\u800c\u662f\u5148\u7531<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/d775db00ee6c94e33d1f504cab4e789e.svg\">\u786e\u5b9a\u9700\u8981\u591a\u5c11\u4e2a\u7ef4\u5ea6\uff0c\u518d\u628a\u8fd9\u4e9b\u7ef4\u5ea6\u4e24\u4e24\u5206\u7ec4\uff0c\u4e3a\u6bcf\u4e00\u7ec4\u5206\u914d\u4e00\u79cd\u4e0d\u540c\u7684\u9891\u7387\u3002\u4ee5<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/41eab1903128d19d593eef505278201d.svg\">\u3001<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/cc78f3955429b61803e186b32154135e.svg\">\u4e3a\u4f8b\uff0c<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>8 \u4e2a\u7ef4\u5ea6\u5206\u6210 4 \u7ec4<\/li>\n\n\n\n<li>\u5206\u6bcd\u4f9d\u6b21\u662f<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/ed75e9aaf38a7256e514f559e95b1d20.svg\" alt=\"img\">\u3001<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/c9f990309cb5defa22eb3f4931b3dfda.svg\" alt=\"img\">\u3001<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/c7dfe9fb48c05fdea3123b412884297b.svg\" alt=\"img\">\u3001<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/191de3179184788c24796b7e4b034565.svg\" alt=\"img\"><\/li>\n\n\n\n<li>\u540c\u4e00\u4e2a<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/c4b4aed21f876065eeb9187248d57f19.svg\" alt=\"img\">\u5206\u522b\u4ee3\u5165\u8fd9\u56db\u7ec4\uff0c\u5c31\u5f97\u5230\u516b\u4e2a\u6570\uff1a<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/128ce8bc5606221233bdc73d3589c3e9.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/128ce8bc5606221233bdc73d3589c3e9.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u628a\u8fd9\u516b\u4e2a\u6570\u6309\u7ef4\u5ea6\u987a\u5e8f\u6392\u597d\uff0c\u6700\u7ec8\u5f97\u5230\u7684\u4f4d\u7f6e\u7f16\u7801\u5411\u91cf\u5c31\u662f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/50cc7f27cb1eaf9b9b9d5609c09b9c4b.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/50cc7f27cb1eaf9b9b9d5609c09b9c4b.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0d\u540c\u9891\u7387\uff0c\u8fa8\u522b\u8fdc\u8fd1\u5173\u7cfb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u628a\u8fd9\u4e9b\u7ef4\u5ea6\u7ec4\u5408\u8d77\u6765\uff0c\u6bcf\u4e2a\u4f4d\u7f6e\u5c31\u4f1a\u5f97\u5230\u4e00\u7ec4\u4e0d\u540c\u7684\u6570\u503c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/644209a573f2db4d69e79af8b7899c32.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/644209a573f2db4d69e79af8b7899c32.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u5f26\u548c\u4f59\u5f26\u5185\u90e8\u7684\u5206\u6bcd<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/d422738bc8b94b8d5339da628a41de0d.svg\">\u51b3\u5b9a\u4e86\u8fd9\u4e00\u7ec4\u6570\u503c\u53d8\u5316\u7684\u901f\u5ea6\uff1a\u968f\u7740<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/2443fbcfeb7e85e1d62b6f5e4f27207e.svg\">\u589e\u5927\uff0c\u5206\u6bcd\u4f1a\u9010\u6e10\u53d8\u5927\uff0c<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/c4b4aed21f876065eeb9187248d57f19.svg\">\u6bcf\u589e\u52a0<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/53072c2388d69edc65c2377681e4e87c.svg\">\u6240\u5e26\u6765\u7684\u89d2\u5ea6\u53d8\u5316\u5c31\u4f1a\u8d8a\u6765\u8d8a\u5c0f\uff0c\u56e0\u6b64\u4e0d\u540c\u7ec4\u5408\u4f1a\u5f62\u6210\u5feb\u6162\u4e0d\u540c\u7684\u53d8\u5316\u9891\u7387\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u5355\u4e2a\u7ef4\u5ea6\u89c2\u5bdf\uff0c\u4f4d\u7f6e\u7f16\u7801\u4f1a\u968f\u7740\u4f4d\u7f6e\u53d8\u5316\u5f62\u6210\u4e00\u6761\u5468\u671f\u66f2\u7ebf<\/p>\n\n\n\n<ul 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class=\"wp-block-paragraph\">\u5355\u72ec\u89c2\u5bdf\u67d0\u4e00\u7ec4\u6b63\u5f26\u548c\u4f59\u5f26\uff0c\u5b83\u7684\u53d6\u503c\u4f1a\u968f\u7740\u5468\u671f\u91cd\u590d\uff1b\u4f46\u591a\u7ec4\u4e0d\u540c\u9891\u7387\u7ec4\u5408\u8d77\u6765\u540e\uff0c\u5c31\u53ef\u4ee5\u4e3a\u4e0d\u540c\u4f4d\u7f6e\u5f62\u6210\u5177\u6709\u533a\u522b\u5ea6\u7684\u7f16\u7801\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u540c\u9891\u7387\u80fd\u591f\u8ba9\u4e0d\u540c\u4f4d\u7f6e\u5f62\u6210\u4e0d\u540c\u7684\u7f16\u7801\uff0c\u4f46\u8fd9\u8fd8\u4e0d\u662f\u9009\u62e9\u6b63\u5f26\u548c\u4f59\u5f26\u7684\u5168\u90e8\u539f\u56e0\u3002\u524d\u9762\u63d0\u5230\uff0cAttention 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src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/3704b92dfede291035ea693350d93f6b.svg\">\u4e0a\u5404\u6709\u4e00\u5bf9\u6b63\u5f26\u3001\u4f59\u5f26\u503c\u3002\u5b83\u4eec\u5bf9\u5e94\u76f8\u4e58\u518d\u76f8\u52a0\uff0c\u6b63\u597d\u53ef\u4ee5\u5408\u5e76\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.nlark.com\/yuque\/__latex\/f20211911d99598e9a3996b0daf0fec9.svg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/f20211911d99598e9a3996b0daf0fec9.svg\" 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src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/bf5afcbe4368f420f4ef82914ed7053a.svg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e24\u4e2a\u4f4d\u7f6e\u7f16\u7801\u7684\u70b9\u79ef\u4e0e\u5b83\u4eec\u5404\u81ea\u5904\u5728\u4ec0\u4e48\u7edd\u5bf9\u4f4d\u7f6e\u65e0\u5173\uff0c\u53ea\u7531\u4e8c\u8005\u76f8\u9694\u591a\u8fdc\u51b3\u5b9a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RoPE\uff1a\u4ece\u7edd\u5bf9\u4f4d\u7f6e\u5230\u76f8\u5bf9\u4f4d\u7f6e<\/h2>\n\n\n\n<p 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class=\"wp-block-paragraph\">\u65e2\u7136\u6b63\u5f26\u3001\u4f59\u5f26\u7f16\u7801\u7684\u70b9\u79ef\u5df2\u7ecf\u53ea\u4e0e\u8ddd\u79bb\u6709\u5173\uff0c\u4e3a\u4ec0\u4e48\u8fd8\u4f1a\u51fa\u73b0\u65b0\u7684\u65b9\u6848\uff1f\u56e0\u4e3a\u8fd9\u4e2a\u6027\u8d28\u662f\u5bf9<strong>\u4f4d\u7f6e\u7f16\u7801\u672c\u8eab<\/strong>\u6210\u7acb\u7684\u3002\u4f4d\u7f6e\u7f16\u7801\u662f\u52a0\u5728\u8f93\u5165\u4e0a\u7684\uff0c\u771f\u6b63\u8fdb\u5165\u6ce8\u610f\u529b\u5206\u6570\u7684\u662f<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/37cb0bd166ef8fd029c376f879d6e6ad.svg\">\u7ecf\u8fc7<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/60b59ab950cf235a6c25eb186a35ee5d.svg\">\u3001<img decoding=\"async\" alt=\"img\" src=\"https:\/\/cdn.nlark.com\/yuque\/__latex\/90df64f941b8deaeb5dce98a837640df.svg\">\u6295\u5f71\u4e4b\u540e\u7684\u7ed3\u679c\uff0c\u5c55\u5f00\u540e\u65e2\u5305\u542b\u8bed\u4e49\u4e0e\u8bed\u4e49\u7684\u9879\uff0c\u4e5f\u5305\u542b\u8bed\u4e49\u4e0e\u4f4d\u7f6e\u7684\u4ea4\u53c9\u9879\uff0c\u53ea\u4f9d\u8d56\u8ddd\u79bb\u7684\u7ed3\u6784\u4e0d\u518d\u88ab\u4fdd\u8bc1\uff0c\u80fd\u4e0d\u80fd\u7528\u4e0a\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u8981\u4ea4\u7ed9\u8bad\u7ec3\u8fc7\u7a0b\u81ea\u5df1\u53bb\u5b66\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u5f88\u591a\u8bed\u8a00\u7406\u89e3\u4efb\u52a1\u5173\u6ce8\u7684\u5e76\u4e0d\u662f\u67d0\u4e2a\u8bcd\u4f4d\u4e8e\u7b2c\u51e0\u4e2a\u4f4d\u7f6e\uff0c\u800c\u662f\u4e24\u4e2a\u8bcd\u4e4b\u95f4\u7684\u8ddd\u79bb\u548c\u987a\u5e8f\u5173\u7cfb\u3002\u4f8b\u5982\uff0c<code>dog<\/code>\u662f\u5426\u4f4d\u4e8e<code>bites<\/code>\u4e4b\u524d\uff0c\u5f53\u524d Token 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class=\"wp-block-paragraph\">q=[q_1,q_2,q_3,q_4,&#8230;]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RoPE \u4f1a\u5c06\u76f8\u90bb\u4e24\u4e2a\u7ef4\u5ea6\u7ec4\u5408\u6210\u4e8c\u7ef4\u5411\u91cf\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(q_1,q_2),(q_3,q_4),&#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u6839\u636e\u8be5 Token \u6240\u5904\u7684\u4f4d\u7f6em\uff0c\u4e3a\u6bcf\u7ec4\u4e8c\u7ef4\u5411\u91cf\u8ba1\u7b97\u4e00\u4e2a\u65cb\u8f6c\u89d2\u5ea6\uff0c\u5e76\u4f7f\u7528\u65cb\u8f6c\u77e9\u9635\u6539\u53d8\u5411\u91cf\u65b9\u5411\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\\begin{bmatrix} q_1&#8217;\\\\ q_2&#8242; \\end{bmatrix} = \\begin{bmatrix} \\cos\\theta_m &amp; -\\sin\\theta_m\\\\ \\sin\\theta_m &amp; \\cos\\theta_m \\end{bmatrix} \\begin{bmatrix} q_1\\\\ q_2 \\end{bmatrix}<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\\theta_m\u7531 Token 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\u4e0e\u628a\u4f4d\u7f6e\u52a0\u5728\u8f93\u5165\u4e0a\u7684\u505a\u6cd5\u7684\u5173\u952e\u533a\u522b\uff0c\u540e\u8005\u7684\u76f8\u5bf9\u6027\u53ea\u5b58\u5728\u4e8e\u7f16\u7801\u5c42\u9762\uff0c\u80fd\u5426\u4fdd\u7559\u5230\u5206\u6570\u91cc\u53d6\u51b3\u4e8e\u8bad\u7ec3\uff1b\u800c RoPE \u4e0d\u7ba1\u8bed\u4e49\u5411\u91cf\u662f\u4ec0\u4e48\uff0c\u76f8\u5bf9\u8ddd\u79bb\u90fd\u5fc5\u7136\u51fa\u73b0\u5728\u6ce8\u610f\u529b\u5206\u6570\u4e2d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Attention \u6700\u7ec8\u5173\u6ce8\u7684\u662f Query \u548c Key \u4e4b\u95f4\u7684\u5339\u914d\u5173\u7cfb\uff0c\u800c\u8bed\u8a00\u4e2d\u7684\u5f88\u591a\u4fe1\u606f\u4e5f\u4f9d\u8d56 Token \u4e4b\u95f4\u7684\u76f8\u5bf9\u8ddd\u79bb\u548c\u987a\u5e8f\u3002RoPE \u8ba9\u8fd9\u79cd\u76f8\u5bf9\u4f4d\u7f6e\u5173\u7cfb\u81ea\u7136\u4f53\u73b0\u5728\u6ce8\u610f\u529b\u5206\u6570\u4e2d\uff0c\u4f7f\u6a21\u578b\u80fd\u591f\u66f4\u76f4\u63a5\u5730\u7406\u89e3\u4e0d\u540c Token \u4e4b\u95f4\u7684\u4f4d\u7f6e\u5173\u7cfb\uff0c\u540c\u65f6\u4fdd\u6301\u539f\u6709\u5411\u91cf\u7ef4\u5ea6\uff0c\u4e0d\u589e\u52a0\u989d\u5916\u53c2\u6570\u3002\u76ee\u524d\u4e3b\u6d41\u5927\u8bed\u8a00\u6a21\u578b\u666e\u904d\u91c7\u7528 RoPE \u4f5c\u4e3a\u4f4d\u7f6e\u7f16\u7801\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2017 \u5e74\uff0cGoogle \u5728\u8bba\u6587\u300aAttention Is All You Need\u300b\u4e2d\u63d0\u51fa\u4e86 Transf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-147","post","type-post","status-publish","format-standard","hentry","category-6"],"_links":{"self":[{"href":"https:\/\/luqimu.xyz\/index.php\/wp-json\/wp\/v2\/posts\/147","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/luqimu.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/luqimu.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/luqimu.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/luqimu.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=147"}],"version-history":[{"count":1,"href":"https:\/\/luqimu.xyz\/index.php\/wp-json\/wp\/v2\/posts\/147\/revisions"}],"predecessor-version":[{"id":148,"href":"https:\/\/luqimu.xyz\/index.php\/wp-json\/wp\/v2\/posts\/147\/revisions\/148"}],"wp:attachment":[{"href":"https:\/\/luqimu.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/luqimu.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/luqimu.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}