{"id":9911,"date":"2024-08-02T18:04:17","date_gmt":"2024-08-02T10:04:17","guid":{"rendered":"https:\/\/17aitech.com\/?p=9911"},"modified":"2024-11-25T18:17:11","modified_gmt":"2024-11-25T10:17:11","slug":"%e3%80%90%e8%af%be%e7%a8%8b%e6%80%bb%e7%bb%93%e3%80%91day19%ef%bc%88%e4%b8%ad%ef%bc%89%ef%bc%9atransformer%e6%9e%b6%e6%9e%84%e5%8f%8a%e6%b3%a8%e6%84%8f%e5%8a%9b%e6%9c%ba%e5%88%b6%e4%ba%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/17aitech.com\/?p=9911","title":{"rendered":"\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011day19\uff08\u4e2d\uff09\uff1aTransformer\u67b6\u6784\u53ca\u6ce8\u610f\u529b\u673a\u5236\u4e86\u89e3"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_78 ez-toc-wrap-left-text counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E5%89%8D%E8%A8%80\" >\u524d\u8a00<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E6%B3%A8%E6%84%8F%E5%8A%9B%E6%9C%BA%E5%88%B6%EF%BC%88Attention%EF%BC%89\" >\u6ce8\u610f\u529b\u673a\u5236\uff08Attention\uff09<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E8%83%8C%E6%99%AF\" >\u80cc\u666f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E6%B3%A8%E6%84%8F%E5%8A%9B%E7%9A%84%E4%BA%A7%E7%94%9F\" 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>RNN\u7684\u95ee\u9898<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/17aitech.com\/?p=9911\/#Transformer%E7%9A%84%E4%BC%98%E5%8A%BF\" >Transformer\u7684\u4f18\u52bf<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/17aitech.com\/?p=9911\/#Transformer%E6%9E%B6%E6%9E%84\" >Transformer\u67b6\u6784<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E6%95%B4%E4%BD%93%E6%9E%B6%E6%9E%84\" >\u6574\u4f53\u67b6\u6784<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E5%AE%8F%E8%A7%82%E5%A4%84%E7%90%86%E6%B5%81%E7%A8%8B\" >\u5b8f\u89c2\u5904\u7406\u6d41\u7a0b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E8%BE%93%E5%85%A5%E5%A4%84%E7%90%86%E9%83%A8%E5%88%86\" >\u8f93\u5165\u5904\u7406\u90e8\u5206<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E7%BC%96%E7%A0%81encoder%E9%83%A8%E5%88%86\" >\u7f16\u7801encoder\u90e8\u5206<\/a><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E8%87%AA%E6%B3%A8%E6%84%8F%E5%8A%9B%EF%BC%88Self-Attention%EF%BC%89\" >\u81ea\u6ce8\u610f\u529b\uff08Self-Attention\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E5%A4%9A%E5%A4%B4%E6%B3%A8%E6%84%8F%E5%8A%9B%EF%BC%88Multi-Head_Attention%EF%BC%89\" >\u591a\u5934\u6ce8\u610f\u529b\uff08Multi-Head Attention\uff09<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E8%A7%A3%E7%A0%81decoder%E9%83%A8%E5%88%86\" >\u89e3\u7801decoder\u90e8\u5206<\/a><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E8%BE%93%E5%87%BA%E5%A4%84%E7%90%86%E9%83%A8%E5%88%86\" >\u8f93\u51fa\u5904\u7406\u90e8\u5206<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E5%A4%9A%E5%A4%B4%E6%8E%A9%E7%A0%81%E6%B3%A8%E6%84%8F%E5%8A%9BMasked_Multi-Head_Attention%E5%A4%84%E7%90%86%E9%83%A8%E5%88%86\" >\u591a\u5934\u63a9\u7801\u6ce8\u610f\u529b(Masked Multi-Head Attention)\u5904\u7406\u90e8\u5206<\/a><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/17aitech.com\/?p=9911\/#Mask%E6%8E%A9%E7%A0%81%E7%9A%84%E4%BD%9C%E7%94%A8%EF%BC%9A\" >Mask\u63a9\u7801\u7684\u4f5c\u7528\uff1a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/17aitech.com\/?p=9911\/#pad_mask\" >pad mask<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/17aitech.com\/?p=9911\/#subsequence_mask\" >subsequence mask<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E8%9E%8D%E5%90%88%E6%B3%A8%E6%84%8F%E5%8A%9B%E5%A4%84%E7%90%86%E9%83%A8%E5%88%86\" >\u878d\u5408\u6ce8\u610f\u529b\u5904\u7406\u90e8\u5206<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E5%9B%9E%E9%A1%BETransformer%E7%9A%84%E6%95%B4%E4%BD%93%E7%BB%93%E6%9E%84\" >\u56de\u987eTransformer\u7684\u6574\u4f53\u7ed3\u6784<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E8%AF%A6%E7%BB%86%E7%9A%84%E7%BB%93%E6%9E%84%E5%9B%BE%E5%B8%A6%E6%9C%89%E5%86%85%E9%83%A8%E7%BB%84%E4%BB%B6\" >\u8be6\u7ec6\u7684\u7ed3\u6784\u56fe(\u5e26\u6709\u5185\u90e8\u7ec4\u4ef6)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E7%AE%80%E5%8C%96%E7%9A%84%E7%BB%93%E6%9E%84%E5%9B%BE%E5%B8%A6%E6%9C%89%E5%8A%A8%E7%94%BB%E6%95%88%E6%9E%9C\" >\u7b80\u5316\u7684\u7ed3\u6784\u56fe(\u5e26\u6709\u52a8\u753b\u6548\u679c)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E5%86%85%E5%AE%B9%E5%B0%8F%E7%BB%93\" >\u5185\u5bb9\u5c0f\u7ed3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/17aitech.com\/?p=9911\/#%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\" >\u53c2\u8003\u8d44\u6599<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E5%89%8D%E8%A8%80\"><\/span>\u524d\u8a00<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u672c\u7ae0\u5185\u5bb9\uff0c\u6211\u4eec\u5c06\u4ece\u6ce8\u610f\u529b\u7684\u57fa\u7840\u6982\u5ff5\u5165\u624b\uff0c\u7ed3\u5408Transformer\u67b6\u6784\uff0c\u7531\u5b8f\u89c2\u7406\u89e3\u5176\u8fd0\u884c\u6d41\u7a0b\uff0c\u7136\u540e\u9010\u6b65\u6df1\u5165\u4e86\u89e3\u591a\u5934\u6ce8\u610f\u529b\u3001\u591a\u5934\u63a9\u7801\u6ce8\u610f\u529b\u3001\u878d\u5408\u6ce8\u610f\u529b\u7b49\u6982\u5ff5\u53ca\u4f5c\u7528\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%B3%A8%E6%84%8F%E5%8A%9B%E6%9C%BA%E5%88%B6%EF%BC%88Attention%EF%BC%89\"><\/span>\u6ce8\u610f\u529b\u673a\u5236\uff08Attention\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%E8%83%8C%E6%99%AF\"><\/span>\u80cc\u666f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6df1\u5ea6\u5b66\u4e60\u4e2d\u7684\u6ce8\u610f\u529b\u673a\u5236\uff08Attention Mechanism\uff09\u662f\u4e00\u79cd\u6a21\u4eff\u4eba\u7c7b\u89c6\u89c9\u548c\u8ba4\u77e5\u7cfb\u7edf\u7684\u65b9\u6cd5\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E6%B3%A8%E6%84%8F%E5%8A%9B%E7%9A%84%E4%BA%A7%E7%94%9F\"><\/span>\u6ce8\u610f\u529b\u7684\u4ea7\u751f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u4eba\u8111\u5728\u770b\u5230\u4e00\u5e45\u56fe\u50cf\u65f6\u662f\u5982\u4f55\u5206\u914d\u6709\u9650\u7684\u6ce8\u610f\u529b\u8d44\u6e90\uff1a<code>\u7ea2\u8272\u533a\u57df<\/code>\u8868\u660e\u89c6\u89c9\u7cfb\u7edf\u66f4\u52a0\u5173\u6ce8\u7684\u533a\u57df\u3002<\/p>\n<blockquote>\n<p>\u4eba\u4eec\u4f1a\u628a\u6ce8\u610f\u529b\u66f4\u591a\u7684\u6295\u5165\u5230\u4eba\u7684\u8138\u90e8\u3001\u6587\u672c\u7684\u6807\u9898\u4ee5\u53ca\u6587\u7ae0\u7684\u9996\u53e5\u7b49\u4f4d\u7f6e\u3002<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u4eba\u8111\u7684\u6ce8\u610f\u529b.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u4eba\u8111\u7684\u6ce8\u610f\u529b.png\" alt=\"\" \/><\/a><\/p>\n<\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"%E6%B3%A8%E6%84%8F%E5%8A%9B%E6%9C%BA%E5%88%B6%E6%A0%B8%E5%BF%83%E6%80%9D%E6%83%B3\"><\/span>\u6ce8\u610f\u529b\u673a\u5236\u6838\u5fc3\u601d\u60f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6a21\u4eff\u4eba\u7684\u6ce8\u610f\u529b\u5206\u914d\u65b9\u5f0f\uff0c\u5c06\u8f93\u5165\u6570\u636e\u7684<strong>\u91cd\u8981\u6027<\/strong>\u52a8\u6001\u5730\u5206\u914d<strong>\u6743\u91cd<\/strong>\uff0c\u4ece\u800c\u63d0\u9ad8\u6a21\u578b\u7684\u8868\u73b0\u3002<\/p>\n<blockquote>\n<p>\u5982\u4e0a\u56fe\uff1a<\/p>\n<ul>\n<li>\u5c0f\u5b69\u7684\u8138\u90e8\uff1a\u91cd\u8981\uff0c\u4e58\u4ee5\u4e00\u4e2a\u8f83\u5927\u7684\u6743\u91cd(\u59820.99)\uff0c\u7a81\u51fa\u91cd\u8981\u6027<\/li>\n<li>\u56fe\u7247\u7684\u80cc\u666f\uff1a\u4e0d\u91cd\u8981\uff0c\u4e58\u4ee5\u4e00\u4e2a\u8f83\u5c0f\u7684\u6743\u91cd(\u59820.01)\uff0c\u524a\u5f31\u91cd\u8981\u6027<\/li>\n<\/ul>\n<\/blockquote>\n<p><strong>\u6ce8\u610f\u529b\u672c\u8d28<\/strong>\uff1a\u5173\u6ce8\u7684\u589e\u5f3a\uff0c\u4e0d\u5173\u6ce8\u7684\u51cf\u5f31<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%85%AC%E5%85%B1%E5%BA%95%E5%B1%82%E6%9E%B6%E6%9E%84Transformer\"><\/span>\u516c\u5171\u5e95\u5c42\u67b6\u6784Transformer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728\u4e86\u89e3\u6ce8\u610f\u529b\u673a\u5236\u540e\uff0c\u6211\u4eec\u4ece\u4eba\u5de5\u667a\u80fd\u7684\u516c\u5171\u5e95\u5c42\u67b6\u6784Transformer\u5165\u624b\u6765\u9010\u6b65\u4e86\u89e3\u6574\u4f53\u7684\u8fd0\u884c\u673a\u5236\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E8%83%8C%E6%99%AF%E5%9B%9E%E9%A1%BE\"><\/span>\u80cc\u666f\u56de\u987e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5728<a href=\"https:\/\/17aitech.com\/?p=8758#toc-12\">\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011Day17\uff08\u4e0a\uff09\uff1aNLP\u81ea\u7136\u8bed\u8a00\u5904\u7406\u53caRNN\u7f51\u7edc<\/a>\u4e2d\uff0c\u6211\u4eec\u66fe\u4ecb\u7ecd\u8fc7\u81ea\u7136\u8bed\u8a00\u662f\u5177\u6709\u65f6\u5e8f\u6027\uff1a<\/p>\n<pre><code class=\"language-shell\">\u201c\u72d7\u8ffd\u732b\u3002\u201d\n\u201c\u732b\u8ffd\u72d7\u3002\u201d<\/code><\/pre>\n<p>\u4ee5\u4e0a\u4f8b\u5b50\u4e2d\uff0c\u5b57\u90fd\u662f\u76f8\u540c\u7684\uff0c\u4f46\u662f\u5b57\u7684\u987a\u5e8f\u4e0d\u540c\u7684\uff0c\u6240\u8868\u8fbe\u7684\u610f\u601d\u5b8c\u5168\u76f8\u53cd\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"RNN%E7%9A%84%E9%97%AE%E9%A2%98\"><\/span>RNN\u7684\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/RNN\u7684\u65f6\u5e8f\u793a\u4f8b.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/RNN\u7684\u65f6\u5e8f\u793a\u4f8b.png\" alt=\"\" \/><\/a><br \/>\n\u4e3a\u4e86\u5904\u7406\u4e0a\u8ff0\u65f6\u5e8f\u6570\u636e\uff0cRNN\u901a\u8fc7\u5faa\u73af\u7ed3\u6784\uff0c\u5c06\u6bcf\u4e2a\u65f6\u95f4\u6b65\u7684\u8f93\u51fa\u4f5c\u4e3a\u4e0b\u4e00\u65f6\u95f4\u6b65\u7684\u8f93\u5165\uff0c\u6700\u7ec8\u5f97\u5230\u4e00\u4e2a\u5b8c\u6574\u7684\u8f93\u51fa\u5e8f\u5217\u3002\u4f46\u8fd9\u4e5f\u968f\u4e4b\u5e26\u6765\u4e86\u4e00\u4e9b\u95ee\u9898\uff1a<\/p>\n<ol>\n<li><strong>\u68af\u5ea6\u6d88\u5931\u4e0e\u7206\u70b8<\/strong>\uff1a\u4f20\u7edf RNN \u5728\u5904\u7406\u957f\u5e8f\u5217\u65f6\uff0c\u5bb9\u6613\u51fa\u73b0\u68af\u5ea6\u6d88\u5931\u6216\u68af\u5ea6\u7206\u70b8\u7684\u95ee\u9898\uff0c\u5bfc\u81f4\u8bad\u7ec3\u56f0\u96be\u3002<\/li>\n<li><strong>\u8bad\u7ec3\u65f6\u95f4\u8f83\u957f<\/strong>\uff1a\u7531\u4e8e\u5e8f\u5217\u6570\u636e\u7684\u7279\u6027\uff0cRNN \u7684\u8bad\u7ec3\u65f6\u95f4\u901a\u5e38\u8f83\u957f\uff0c\u5c24\u5176\u662f\u5728\u957f\u5e8f\u5217\u4e0a\u3002<\/li>\n<li><strong>\u5e76\u884c\u5316\u56f0\u96be<\/strong>\uff1aRNN \u7684\u8ba1\u7b97\u4f9d\u8d56\u4e8e\u524d\u4e00\u4e2a\u65f6\u95f4\u6b65\u7684\u8f93\u51fa\uff0c\u5bfc\u81f4\u5176\u5728\u8bad\u7ec3\u548c\u63a8\u7406\u65f6\u96be\u4ee5\u8fdb\u884c\u5e76\u884c\u5316\uff0c\u6548\u7387\u8f83\u4f4e\uff0c\u65e0\u6cd5\u6709\u6548\u5229\u7528\u786c\u4ef6\u52a0\u901f\u3002<\/li>\n<\/ol>\n<h4><span class=\"ez-toc-section\" id=\"Transformer%E7%9A%84%E4%BC%98%E5%8A%BF\"><\/span>Transformer\u7684\u4f18\u52bf<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>2017\u5e74\uff1aGoogle\u7684\u7814\u7a76\u56e2\u961f\u5728\u8bba\u6587\u300aAttention is All You Need\u300b\u4e2d\u9996\u6b21\u63d0\u51fa\u4e86Transformer\u67b6\u6784\u3002\u8be5\u67b6\u6784\u5b8c\u5168\u57fa\u4e8e\u81ea\u6ce8\u610f\u529b\u673a\u5236\uff08self-attention\uff09\uff0c\u6452\u5f03\u4e86\u4f20\u7edf\u7684\u5faa\u73af\u7ed3\u6784\uff0c\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u5e76\u884c\u5904\u7406\u80fd\u529b\u548c\u8bad\u7ec3\u6548\u7387\u3002<\/p>\n<p><strong>\u4f18\u52bf<\/strong>\uff1a<\/p>\n<ol>\n<li><strong>\u6446\u8131\u5faa\u73af<\/strong>\uff1aTransformer \u6446\u8131\u4e86\u5faa\u73af\uff0c\u80fd\u591f\u5728\u8bad\u7ec3\u548c\u63a8\u7406\u65f6\u8fdb\u884c\u5e76\u884c\u5316\uff0c\u5927\u5927\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<li><strong>\u5e76\u884c\u5316<\/strong>\uff1aTransformer \u901a\u8fc7<code>\u81ea\u6ce8\u610f\u529b<\/code>\u5e76\u884c\u62bd\u53d6\u7279\u5f81\uff0c\u6ca1\u6709\u524d\u540e\u987a\u5e8f\u7684\u4f9d\u8d56\uff0c\u4e5f\u5c31\u65e0\u4ece\u8c08\u8d77\u4fe1\u606f\u9057\u5fd8\u3002<\/li>\n<li><strong>\u53ef\u5806\u53e0<\/strong>\uff1a\u6709ResBlock\u548cLayerNorm\u7684\u52a0\u6301\uff0c\u6a21\u578b\u53ef\u4ee5\u65e0\u9650\u5806\u53e0\uff0c\u91cd\u590d\u8d8a\u591a\uff0c\u80fd\u529b\u8d8a\u5927\u3002<\/li>\n<li><strong>\u80fd\u529b\u6d8c\u73b0<\/strong>\uff1a\u771f\u6b63\u5b9e\u73b0\u4e86\u91cf\u53d8\u5230\u8d28\u53d8\uff0c\u80fd\u529b\u53d1\u751f\u4e86\u6d8c\u73b0\u3002<br \/>\n<blockquote>\n<p>\u6240\u8c13<strong>\u80fd\u529b\u6d8c\u73b0<\/strong>\u662f\u6307\uff1a<\/p>\n<ul>\n<li>\u65e9\u671f\u4eba\u5de5\u667a\u80fd\uff1a\u53ea\u662f\u5728\u65e2\u6709\u6570\u636e\u57fa\u7840\u4e0a\u8fdb\u884c\u5b66\u4e60\uff0c\u7136\u540e\u53ef\u4ee5\u6a21\u4eff\u5904\u7406\u7c7b\u4f3c\u95ee\u9898\uff0c\u8fd9\u79cd\u80fd\u529b\u53ea\u80fd\u70b9\u5bf9\u70b9\u7684\u89e3\u51b3\u7279\u5b9a\u95ee\u9898\uff0c\u4e0d\u80fd\u79f0\u4e3a\u667a\u80fd\u3002<\/li>\n<li>Transformer\u53ca\u5927\u6a21\u578b\uff1a \u9762\u4e34\u65b0\u7684\u573a\u666f\u65f6\uff0c\u53ef\u4ee5\u628a\u81ea\u5df1\u8001\u7684\u7ecf\u9a8c\u548c\u77e5\u8bc6\u8fc1\u79fb\u8fc7\u6765\uff0c\u89e3\u51b3\u65b0\u7684\u95ee\u9898\uff0c\u8fd9\u624d\u662f\u667a\u80fd\u3002\u8fd9\u79cd\u80fd\u529b\u4e5f\u79f0\u4e4b\u4e3a\u80fd\u529b\u6d8c\u73b0\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Transformer%E6%9E%B6%E6%9E%84\"><\/span>Transformer\u67b6\u6784<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"%E6%95%B4%E4%BD%93%E6%9E%B6%E6%9E%84\"><\/span>\u6574\u4f53\u67b6\u6784<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/Transformer\u67b6\u6784.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/Transformer\u67b6\u6784.png\" alt=\"\" \/><\/a><br \/>\nTransformer\u662f\u4e00\u4e2a\u5178\u578b\u7684encoder-decoder\u7ed3\u6784\u3002<\/p>\n<blockquote>\n<p>\u5173\u4e8eencoder-decoder\u7684\u5185\u5bb9\u56de\u987e\uff0c\u53ef\u4ee5\u67e5\u770b<a href=\"https:\/\/17aitech.com\/?p=8947\">\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011Day17\uff08\u4e0b\uff09\uff1a\u521d\u59cbSeq2Seq\u6a21\u578b<\/a>\uff0c\u672c\u6587\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n<\/blockquote>\n<h4><span class=\"ez-toc-section\" id=\"%E5%AE%8F%E8%A7%82%E5%A4%84%E7%90%86%E6%B5%81%E7%A8%8B\"><\/span>\u5b8f\u89c2\u5904\u7406\u6d41\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u7531\u4e8eTransformer\u7684\u67b6\u6784\u56fe\u6709\u975e\u5e38\u591a\u7684\u5143\u7d20\uff0c\u76f4\u63a5\u6df1\u5165\u7ec6\u8282\u53ef\u80fd\u4e0d\u4fbf\u4e8e\u7406\u89e3\u6574\u4f53\u8fd0\u884c\u6d41\u7a0b\uff0c\u6240\u4ee5\u6211\u4eec\u5bf9\u6a21\u578b\u67b6\u6784\u56fe\u505a\u4e00\u4e9b\u5212\u5206\u5904\u7406\uff0c\u4ee5\u4fbf\u4ece\u5b8f\u89c2\u7ef4\u5ea6\u7406\u89e3\u6574\u4f53\u7684\u8fd0\u884c\u6d41\u7a0b\u3002<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/Transformer\u5b8f\u89c2\u67b6\u6784-2.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/Transformer\u5b8f\u89c2\u67b6\u6784-2.png\" alt=\"\" \/><\/a><\/p>\n<ul>\n<li><strong>\u7b2c\u4e00\u6b65<\/strong>\uff1a\u8f93\u5165\u5185\u5bb9\u7ecf\u8fc7<code>\u8f93\u5165\u5904\u7406\u90e8\u5206<\/code>\u8fdb\u884cembedding\u4ee5\u53ca\u4f4d\u7f6e\u7f16\u7801\uff0c\u751f\u6210\u5bf9\u5e94\u4e0a\u6587\u7684\u8bcd\u5411\u91cf\u6570\u636e\u3002<\/li>\n<li><strong>\u7b2c\u4e8c\u6b65<\/strong>\uff1a\u7279\u5f81\u7ecf\u8fc7<code>\u591a\u5934\u6ce8\u610f\u529b\u5904\u7406\u90e8\u5206<\/code>\u8fdb\u884c\u7279\u5f81\u62bd\u53d6\u3002<\/li>\n<li><strong>\u7b2c\u4e09\u6b65<\/strong>\uff1a\u62bd\u53d6\u7684\u7279\u5f81\u7ecf\u8fc7<code>\u540e\u5904\u7406\u90e8\u5206<\/code>\u8fdb\u884c\u975e\u7ebf\u6027\u53d8\u6362\uff0c\u4ee5\u589e\u5f3a\u6a21\u578b\u7684\u8868\u8fbe\u80fd\u529b\u548c\u6355\u6349\u590d\u6742\u7279\u5f81\uff0c\u6700\u7ec8\u5f62\u6210<code>\u4e2d\u95f4\u8868\u8fbe<\/code>\u3002<\/li>\n<li><strong>\u7b2c\u56db\u6b65<\/strong>\uff1a<code>\u8f93\u51fa\u5904\u7406\u90e8\u5206<\/code>\u91c7\u7528\u4e0e<code>\u8f93\u5165\u5904\u7406\u90e8\u5206<\/code>\u7684\u7c7b\u4f3c\u673a\u5236\u8fdb\u884cembedding\u548c\u589e\u52a0\u4f4d\u7f6e\u4fe1\u606f\u3002(\u4e0b\u6587\u521d\u59cb\u4f1a\u589e\u52a0<code>&lt;SOS&gt;<\/code>\u542f\u52a8\u4fe1\u53f7\u3002)<\/li>\n<li><strong>\u7b2c\u4e94\u6b65<\/strong>\uff1a\u8f93\u51fa\u8bcd\u5411\u91cf\u6570\u636e\u7ecf\u8fc7<code>\u591a\u5934\u63a9\u7801\u6ce8\u610f\u529b\u5904\u7406\u90e8\u5206<\/code>\u8fdb\u884c\u7279\u5f81\u62bd\u53d6\u3002<\/li>\n<li><strong>\u7b2c\u516d\u6b65<\/strong>\uff1a<code>\u878d\u5408\u5904\u7406\u90e8\u5206<\/code>\u5c06\u8f93\u5165\u4fa7\u4ea7\u751f\u7684\u4e2d\u95f4\u8868\u8fbe\u4e0e\u8f93\u51fa\u4fa7\u4e0a\u6587\u7279\u5f81\u8fdb\u884c\u878d\u5408\uff0c\u5373\u63d0\u4f9b\u4e0a\u6587\uff0c\u8ba9\u6a21\u578b\u8865\u5145\u4e0b\u6587\u3002<\/li>\n<li><strong>\u7b2c\u4e03\u6b65<\/strong>\uff1a<code>\u8f93\u51fa\u6982\u7387\u90e8\u5206<\/code>\u5c06<code>\u878d\u5408\u5904\u7406\u90e8\u5206<\/code>\u4ea7\u751f\u7684\u7ed3\u679c\u7ecf\u8fc7<code>softmax<\/code>\u8fdb\u884c\u6982\u7387\u5206\u5e03\uff0c\u5f97\u5230\u8f93\u51fa\u7ed3\u679c\u3002<\/li>\n<li><strong>\u7b2c\u516b\u6b65<\/strong>\uff1a\u8fdb\u884c\u81ea\u56de\u5f52\u5faa\u73af\uff0c\u5c06\u4ea7\u751f\u7684\u8f93\u51fa\u7ed3\u679c\u4ea4\u7ed9<code>\u8f93\u51fa\u5904\u7406\u90e8\u5206<\/code>\u7ee7\u7eed\u7b2c\u56db~\u7b2c\u4e03\u6b65\uff0c\u76f4\u5230\u8f93\u5165<code>&lt;EOS&gt;<\/code>\u7ed3\u675f\u3002<\/li>\n<\/ul>\n<blockquote>\n<p><strong>\u6ce8\u610f<\/strong>\uff1a<br \/>\nTransformer\u76f8\u6bd4\u8f83RNN\u629b\u5f03\u5faa\u73af\u7684\u90e8\u5206\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u4e0a\u56fe\u6d45\u84dd\u8272\u7684\u65b9\u6846\u4e2d\uff0c\u5373\u901a\u8fc7\u6ce8\u610f\u529b\u673a\u5236\u5c06RNN\u5faa\u73af\u5904\u7406\u7684\u65b9\u5f0f\u4e00\u6b21\u6027\u5e76\u884c\u5904\u7406\u3002<\/p>\n<\/blockquote>\n<p>\u52a8\u56fe\u6f14\u793a\u5b8f\u89c2\u5904\u7406\u8fc7\u7a0b\uff1a<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/transformer\u52a8\u56fe\u7406\u89e3.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/transformer\u52a8\u56fe\u7406\u89e3.gif\" alt=\"\" \/><\/a><\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E8%BE%93%E5%85%A5%E5%A4%84%E7%90%86%E9%83%A8%E5%88%86\"><\/span>\u8f93\u5165\u5904\u7406\u90e8\u5206<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u8f93\u5165\u5904\u7406\u90e8\u5206.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u8f93\u5165\u5904\u7406\u90e8\u5206.png\" alt=\"\" \/><\/a><\/p>\n<p><strong>\u4f5c\u7528<\/strong>\uff1a\u89e3\u51b3\u5e8f\u5217\u6570\u636e\u4e0d\u4f1a\u4e22\u5931\u987a\u5e8f\u7684\u95ee\u9898\u3002\u7531\u4e8eTransformer<strong>\u53d6\u6d88\u4e86<\/strong>RNN\u7684<strong>\u5faa\u73af\u7ed3\u6784<\/strong>\uff0c\u5176\u5728\u5904\u7406\u7279\u5f81\u65f6\u662f<strong>\u5e76\u884c\u5904\u7406<\/strong>\uff0c\u6240\u4ee5\u5728\u8f93\u5165\u90e8\u5206\u9700\u8981\u5f15\u5165<code>Positional Encoding<\/code>\u89e3\u51b3<strong>\u5e8f\u5217\u6570\u636e\u4e0d\u4f1a\u4e22\u5931\u987a\u5e8f<\/strong>\u7684\u95ee\u9898\u3002<\/p>\n<p><strong>\u4ee5&quot;\u72d7\u8ffd\u732b&quot;\u4e3a\u4f8b<\/strong>\uff1a<\/p>\n<ul>\n<li>\u539f\u59cb\u8f93\u5165\uff1a&quot;\u72d7\u8ffd\u732b&quot;<\/li>\n<li>\u7ecf\u8fc7\u5206\u8bcd\uff1a&quot;\u72d7 \u8ffd \u732b&quot;<\/li>\n<li>\u7ecf\u8fc7word2idx\u4e4b\u540e\uff1a&quot;1 2 3&quot;<\/li>\n<li>\u6b64\u65f6inputs = [1, 2, 3]<\/li>\n<li>\u7ecf\u8fc7embedding\u4e4b\u540e\uff1a(\u5047\u8bbe\u8f6c\u6362\u540e\u7684\u8bcd\u5411\u91cf\u5982\u4e0b)\n<ul>\n<li>\u201c\u72d7\u201d \u2192 [0.1,0.2,0.3,0.4]<\/li>\n<li>\u201c\u8ffd\u201d \u2192 [0.5,0.6,0.7,0.8]<\/li>\n<li>\u201c\u732b\u201d \u2192 [0.9,1.0,1.1,1.2]<\/li>\n<\/ul>\n<\/li>\n<li>\u7ecf\u8fc7Positional Encoding\uff1a\n<ul>\n<li>\u7b2c\u4e00\u6b65\uff1a\u8ba1\u7b97\u4f4d\u7f6e\u7f16\u7801\uff1a\n<ul>\n<li>\u4f4d\u7f6e0\u7684\u7f16\u7801\u4e3a [0, 1, 0, 1]<\/li>\n<li>\u4f4d\u7f6e1\u7684\u7f16\u7801\u4e3a [0.0001, 1, 0.0001, 1]<\/li>\n<li>\u4f4d\u7f6e2\u7684\u7f16\u7801\u4e3a [0.0002, 1, 0.0002, 1]<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c\u4e8c\u6b65\uff1a\u5c06\u4f4d\u7f6e\u7f16\u7801\u548c\u8bcd\u5411\u91cf\u76f8\u52a0\uff1a<\/li>\n<li>\u53e5\u5b501\uff1a\u201c\u72d7\u8ffd\u732b\u3002\u201d\n<ul>\n<li>\u5bf9\u4e8e\u201c\u72d7\u201d\uff1a[0.1,0.2,0.3,0.4]+[0,1,0,1]=[0.1,1.2,0.3,1.4]<\/li>\n<li>\u5bf9\u4e8e\u201c\u8ffd\u201d\uff1a[0.5,0.6,0.7,0.8]+[0.0001,1,0.0001,1]\u2248[0.5001,1.6,0.7001,1.8]<\/li>\n<li>\u5bf9\u4e8e\u201c\u732b\u201d\uff1a[0.9,1.0,1.1,1.2]+[0.0002,1,0.0002,1]\u2248[0.9002,2.0,1.1002,2.2]<\/li>\n<\/ul>\n<\/li>\n<li>\u53e5\u5b502\uff1a\u201c\u732b\u8ffd\u72d7\u3002\u201d\n<ul>\n<li>\u5bf9\u4e8e\u201c\u732b\u201d\uff1a[0.9,1.0,1.1,1.2]+[0,1,0,1]=[0.9,2.0,1.1,2.2]<\/li>\n<li>\u5bf9\u4e8e\u201c\u8ffd\u201d\uff1a[0.5,0.6,0.7,0.8]+[0.0001,1,0.0001,1]\u2248[0.5001,1.6,0.7001,1.8]<\/li>\n<li>\u5bf9\u4e8e\u201c\u72d7\u201d\uff1a[0.1,0.2,0.3,0.4]+[0.0002,1,0.0002,1]\u2248[0.1002,1.2,0.3002,1.4]<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<blockquote>\n<ul>\n<li>\u8ba1\u7b97\u4f4d\u7f6e\u7f16\u7801\u7684\u65b9\u5f0f\u4e00\u822c\u662f\u4eba\u5de5\u9884\u8bbe\u7684\u65b9\u5f0f\u8ba1\u7b97\u51fa\u6765\u3002<\/li>\n<li>\u4ee5\u4e0aPosition\u7684\u793a\u4f8b\u662f\u7531GPT\u8f85\u52a9\u751f\u6210\uff0c\u6211\u5e76\u6ca1\u6709\u6df1\u7a76\uff0c\u5173\u4e8e\u8ba1\u7b97\u516c\u5f0f\u8be6\u60c5\u8bf7\u89c1<a href=\"https:\/\/blog.csdn.net\/michaelshare\/article\/details\/124178685\">Positional Encoding<\/a><\/li>\n<\/ul>\n<\/blockquote>\n<p>\u901a\u8fc7\u4f4d\u7f6e\u7f16\u7801\uff0cTransformer\u80fd\u591f\u6709\u6548\u5730\u6355\u83b7\u201c\u72d7\u8ffd\u732b\u201d\u548c\u201c\u732b\u8ffd\u72d7\u201d\u8fd9\u4e24\u4e2a\u53e5\u5b50\u4e2d\u8bcd\u8bed\u7684\u4f4d\u7f6e\u4fe1\u606f\uff0c\u4ece\u800c\u7406\u89e3\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u548c\u8bed\u4e49\uff0c\u8fdb\u800c\u8fbe\u5230<strong>\u65f6\u5e8f\u6570\u636e\u5e76\u884c\u8ba1\u7b97<\/strong>\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E7%BC%96%E7%A0%81encoder%E9%83%A8%E5%88%86\"><\/span>\u7f16\u7801encoder\u90e8\u5206<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u7f16\u7801encoder\u90e8\u5206.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u7f16\u7801encoder\u90e8\u5206.png\" alt=\"\" \/><\/a><\/p>\n<p>\u5bf9encoder\u7ed3\u6784\u5f52\u7eb3\u603b\u7ed3\uff0c\u5176\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff1a\u524d\u9988\u7f51\u7edc\uff08Feed Forward\uff09\u548c \u81ea\u6ce8\u610f\u529b\uff08Self-Attention\uff09\u3002<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/encoder\u5206\u89e3.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/encoder\u5206\u89e3.png\" alt=\"\" \/><\/a><\/p>\n<h5><span class=\"ez-toc-section\" id=\"%E8%87%AA%E6%B3%A8%E6%84%8F%E5%8A%9B%EF%BC%88Self-Attention%EF%BC%89\"><\/span>\u81ea\u6ce8\u610f\u529b\uff08Self-Attention\uff09<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p><strong>\u57fa\u672c\u601d\u60f3<\/strong>\uff1a\u5728\u5904\u7406\u5e8f\u5217\u6570\u636e\u65f6\uff0c<strong>\u6bcf\u4e2a\u5143\u7d20<\/strong>\u90fd\u53ef\u4ee5\u4e0e\u5e8f\u5217\u4e2d\u7684<strong>\u5176\u4ed6\u5143\u7d20<\/strong>\u5efa\u7acb\u5173\u8054\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u4f9d\u8d56\u4e8e\u76f8\u90bb\u4f4d\u7f6e\u7684\u5143\u7d20\u3002<\/p>\n<p><strong>\u8ba1\u7b97\u539f\u5219<\/strong>\uff1a\u5173\u6ce8\u7684\u589e\u5f3a\uff0c\u4e0d\u5173\u6ce8\u7684\u51cf\u5f31<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u81ea\u6ce8\u610f\u529b\u8ba1\u7b97\u793a\u610f\u56fe.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u81ea\u6ce8\u610f\u529b\u8ba1\u7b97\u793a\u610f\u56fe.png\" alt=\"\" \/><\/a><\/p>\n<p><strong>\u5177\u4f53\u65b9\u6cd5<\/strong>\uff1a<\/p>\n<ol>\n<li><strong>\u8f93\u5165\u8868\u793a<\/strong>\uff1a\u539f\u59cb\u8f93\u5165\u7684\u8bcd\uff0c\u7ecf\u8fc7\u53d8ID\u3001embedding\u3001\u4f4d\u7f6e\u7f16\u7801\u7b49\u5904\u7406\u540e\uff0c\u8bcd\u5411\u91cf\u5e8f\u5217(\u5982\u56fe\u4e2d<code class=\"katex-inline\">PV^1<\/code>~<code class=\"katex-inline\">PV^5<\/code>)\u3002<\/li>\n<li><strong>\u4e00\u5206\u4e09<\/strong>\uff1a\u901a\u8fc7\u4e09\u4e2a\u4e0d\u540c\u7684\u7ebf\u6027\u53d8\u6362\uff0c\u5c06\u6bcf\u4e2a\u8bcd\u4e00\u5206\u4e09\u4e3aQ\u3001K\u3001V\n<ul>\n<li><code class=\"katex-inline\">Q = PVW_Q<\/code>\uff1aquery \u67e5\u8be2\u5411\u91cf(\u4f5c\u7528\uff1a\u67e5\u8be2\u4ed6\u4eba)<\/li>\n<li><code class=\"katex-inline\">K = PVW_K<\/code>\uff1akey \u5173\u952e\u8bcd\u5411\u91cf(\u4f5c\u7528\uff1a\u7b49\u7740\u522b\u4eba\u6765\u67e5\u8be2)<\/li>\n<li><code class=\"katex-inline\">V = PVW_V<\/code>\uff1avalue \u503c\u5411\u91cf(\u4f5c\u7528\uff1a\u4ee3\u8868\u8be5\u8bcd\u7684\u4fe1\u606f)<br \/>\n<blockquote>\n<ul>\n<li>PV \uff1a\u4ee3\u8868\u5177\u6709\u4f4d\u7f6e\u4fe1\u606f\u7684\u8bcd\u5411\u91cf\u3002<\/li>\n<li><code class=\"katex-inline\">W_Q<\/code>\u3001<code class=\"katex-inline\">W_K<\/code>\u3001<code class=\"katex-inline\">W_V<\/code>\uff1a\u4ee3\u8868\u4e09\u4e2a\u516c\u5171\u7684\u3001\u53ef\u5b66\u4e60\u7684\u6743\u91cd\u77e9\u9635\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8ba1\u7b97\u6ce8\u610f\u529b\u6743\u91cd<\/strong>\uff1a\u901a\u8fc7\u8ba1\u7b97\u67e5\u8be2\u4e0e\u952e\u7684<strong>\u5411\u91cf\u5185\u79ef<\/strong>\u6765\u83b7\u5f97<a href=\"https:\/\/17aitech.com\/?p=1922\">\u76f8\u4f3c\u5ea6<\/a>\uff0c\u7136\u540e\u8fdb\u884c\u7f29\u653e\u548csoftmax\u5904\u7406\uff0c\u5f52\u4e00\u5316\u4e3a\u6ce8\u610f\u529b\u6743\u91cd\u3002<br \/>\n<blockquote>\n<p>\u4f8b\u5982\uff1aq1\u4e0ek1\uff0cq1\u4e0ek2\uff0cq1\u4e0ek3\u8ba1\u7b97\u70b9\u79ef\uff0c\u7136\u540e\u9664\u4ee5<code class=\"katex-inline\">\\sqrt{d}<\/code>\u8fdb\u884c\u7f29\u653e\u548csoftmax\u5904\u7406\u4e3a\u5c0f\u6570\u3002<\/p>\n<ul>\n<li>( d ) \u662f\u8bcd\u5411\u91cf\u7ef4\u5ea6\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<\/li>\n<li><strong>\u52a0\u6743\u6c42\u548c<\/strong>\uff1a\u901a\u8fc7\u5c06\u6bcf\u4e2a\u5143\u7d20\u4e0e\u5bf9\u5e94\u7684\u6ce8\u610f\u529b\u6743\u91cd\u8fdb\u884c\u52a0\u6743\u6c42\u548c\uff0c\u53ef\u4ee5\u5f97\u5230\u81ea\u6ce8\u610f\u529b\u673a\u5236\u7684\u8f93\u51fa<code class=\"katex-inline\">Z^1<\/code>~<code class=\"katex-inline\">Z^5<\/code>\u3002<\/li>\n<\/ol>\n<h5><span class=\"ez-toc-section\" id=\"%E5%A4%9A%E5%A4%B4%E6%B3%A8%E6%84%8F%E5%8A%9B%EF%BC%88Multi-Head_Attention%EF%BC%89\"><\/span>\u591a\u5934\u6ce8\u610f\u529b\uff08Multi-Head Attention\uff09<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u591a\u5934\u6ce8\u610f\u529b\u673a\u5236\u662f\u5728\u81ea\u6ce8\u610f\u529b\u673a\u5236\u7684\u57fa\u7840\u4e0a\u53d1\u5c55\u8d77\u6765\u7684\uff0c\u662f\u81ea\u6ce8\u610f\u529b\u673a\u5236\u7684\u53d8\u4f53\uff0c\u65e8\u5728\u589e\u5f3a\u6a21\u578b\u7684\u8868\u8fbe\u80fd\u529b\u548c\u6cdb\u5316\u80fd\u529b\u3002<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u591a\u5934\u6ce8\u610f\u529b\u673a\u5236\u793a\u610f\u56fe.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u591a\u5934\u6ce8\u610f\u529b\u673a\u5236\u793a\u610f\u56fe.png\" alt=\"\" \/><\/a><br \/>\n\u591a\u5934\u6ce8\u610f\u529b\u5728\u751f\u6210q\u3001k\u3001v\u65f6\uff0c\u4f1a\u518d\u5206\u914d\u591a\u4e2aq\u3001k\u3001v\u3002\uff08\u4f8b\u5982\uff1a\u4e0a\u56fe\u662f\u4ee52\u5934\u4e3a\u4f8b\uff0c\u5176\u4e2d<code class=\"katex-inline\">q^{i,1}<\/code>\u3001<code class=\"katex-inline\">q^{i,2}<\/code>\u5373\u4e3a<code class=\"katex-inline\">q^i<\/code>\u5206\u51fa\u76842\u4e2a\u5934\uff09<\/p>\n<p><strong>\u5177\u4f53\u65b9\u6cd5<\/strong>\uff1a<\/p>\n<ol>\n<li><strong>\u8f93\u5165\u8868\u793a<\/strong>\uff1a\u4e0e\u81ea\u6ce8\u610f\u529b\u76f8\u540c\u3002<\/li>\n<li><strong>\u4e00\u5206\u4e09<\/strong>\uff1a\u5bf9\u4e8e\u6bcf\u4e2a\u6ce8\u610f\u529b\u5934 <code class=\"katex-inline\">i<\/code>\uff0c\u4f7f\u7528\u4e0d\u540c\u7684\u7ebf\u6027\u53d8\u6362\u77e9\u9635\u6765\u751f\u6210\u67e5\u8be2\u3001\u952e\u548c\u503c\uff1a\n<ul>\n<li>\u67e5\u8be2 <code class=\"katex-inline\">Q_i = X W_Q^i<\/code><\/li>\n<li>\u952e <code class=\"katex-inline\">K_i = X W_K^i<\/code><\/li>\n<li>\u503c <code class=\"katex-inline\">V_i = X W_V^i<\/code><br \/>\n<blockquote>\n<ul>\n<li><code class=\"katex-inline\">W_Q^i<\/code>\u3001<code class=\"katex-inline\">W_K^i<\/code>\u3001<code class=\"katex-inline\">W_V^i<\/code> \u662f\u6bcf\u4e2a\u5934\u7684\u53ef\u5b66\u4e60\u6743\u91cd\u77e9\u9635\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8ba1\u7b97\u6ce8\u610f\u529b\u6743\u91cd<\/strong>\uff1a\u5bf9\u4e8e\u6bcf\u4e2a\u5934\u8ba1\u7b97\u6ce8\u610f\u529b\u6743\u91cd\uff0c\u65b9\u6cd5\u540c\u81ea\u6ce8\u610f\u529b\u3002<\/li>\n<li><strong>\u52a0\u6743\u6c42\u548c<\/strong>\uff1a\u52a0\u6743\u6c42\u6bcf\u4e2a\u5934\u7684\u8f93\u51fa\u3002<\/li>\n<li><strong>\u62fc\u63a5\u8f93\u51fa<\/strong>\uff1a\u5c06\u6bcf\u4e2a\u5934\u7684\u8f93\u51fa\u62fc\u63a5\u8d77\u6765\uff0c\u5f97\u5230\u6700\u7ec8\u7684\u8f93\u51fa\u3002<\/li>\n<li><strong>\u7ebf\u6027\u8f6c\u6362<\/strong>\uff1a\u5c06\u62fc\u63a5\u540e\u7684\u8f93\u51fa\u901a\u8fc7\u7ebf\u6027\u53d8\u6362\u77e9\u9635\u5f97\u5230\u6700\u7ec8\u7684\u8f93\u51fa\u3002<\/li>\n<\/ol>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u591a\u5934\u6ce8\u610f\u529b\u8ba1\u7b97\u8fc7\u7a0b.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u591a\u5934\u6ce8\u610f\u529b\u8ba1\u7b97\u8fc7\u7a0b.png\" alt=\"\" \/><\/a><\/p>\n<blockquote>\n<p>\u591a\u5934\u6ce8\u610f\u529b\u7684\u8ba1\u7b97\u4ec5\u8fdb\u884c\u4e86\u7b80\u5355\u5730\u6982\u5ff5\u4e86\u89e3\uff0c\u5177\u4f53\u7684\u8ba1\u7b97\u8fc7\u7a0b\u672a\u505a\u6df1\u7a76\uff0c\u5982\u987b\u4e86\u89e3\u8bf7\u53c2\u8003<a href=\"http:\/\/jalammar.github.io\/illustrated-transformer\/\">The Illustrated Transformer<\/a><\/p>\n<\/blockquote>\n<h4><span class=\"ez-toc-section\" id=\"%E8%A7%A3%E7%A0%81decoder%E9%83%A8%E5%88%86\"><\/span>\u89e3\u7801decoder\u90e8\u5206<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/decoder\u90e8\u5206\u793a\u610f\u56fe.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/decoder\u90e8\u5206\u793a\u610f\u56fe.png\" alt=\"\" \/><\/a><\/p>\n<h5><span class=\"ez-toc-section\" id=\"%E8%BE%93%E5%87%BA%E5%A4%84%E7%90%86%E9%83%A8%E5%88%86\"><\/span>\u8f93\u51fa\u5904\u7406\u90e8\u5206<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u8be5\u90e8\u5206\u7684\u903b\u8f91\u4e0eencoder\u4e2d\u7684\u4e0a\u6587\u5904\u7406\u90e8\u5206\u903b\u8f91\u4e00\u81f4\uff0c\u6240\u4ee5\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n<h5><span class=\"ez-toc-section\" id=\"%E5%A4%9A%E5%A4%B4%E6%8E%A9%E7%A0%81%E6%B3%A8%E6%84%8F%E5%8A%9BMasked_Multi-Head_Attention%E5%A4%84%E7%90%86%E9%83%A8%E5%88%86\"><\/span>\u591a\u5934\u63a9\u7801\u6ce8\u610f\u529b(Masked Multi-Head Attention)\u5904\u7406\u90e8\u5206<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u591a\u5934\u63a9\u7801\u6ce8\u610f\u529b(Masked Multi-Head Attention)\u6bd4\u591a\u5934\u6ce8\u610f\u529b(Multi-Head Attention)\u7ed3\u6784\u591a\u4e86\u4e00\u4e2amasked\u3002\u6240\u4ee5\u9996\u5148\u641e\u6e05\u695amask\u63a9\u7801\u7684\u4f5c\u7528\u3002<\/p>\n<h6><span class=\"ez-toc-section\" id=\"Mask%E6%8E%A9%E7%A0%81%E7%9A%84%E4%BD%9C%E7%94%A8%EF%BC%9A\"><\/span>Mask\u63a9\u7801\u7684\u4f5c\u7528\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h6>\n<ul>\n<li>\u4f5c\u75281\uff1a\u5904\u7406\u975e\u5b9a\u957f\u5e8f\u5217\uff0c\u533a\u5206 padding \u548c\u975e padding \u90e8\u5206<\/li>\n<li>\u4f5c\u75282\uff1a\u5904\u7406\u5b9a\u957f\u5e8f\u5217\uff0c\u533a\u5206\u4e0d\u540c\u65f6\u95f4\u6b65\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb<\/li>\n<\/ul>\n<h6><span class=\"ez-toc-section\" id=\"pad_mask\"><\/span>pad mask<span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>\u80cc\u666f<\/strong>\uff1a<br \/>\n\u5728NLP\u4e2d\uff0c\u6587\u672c\u4e00\u822c\u662f\u4e0d\u5b9a\u957f\u7684\uff0c\u6240\u4ee5\u5728\u8fdb\u884c batch\u8bad\u7ec3\u4e4b\u524d\uff0c\u8981\u5148\u8fdb\u884c\u957f\u5ea6\u7684\u7edf\u4e00\uff0c\u5176\u4e2d\u8fc7\u77ed\u7684\u53e5\u5b50\u901a\u8fc7 padding \u589e\u52a0\u5230\u56fa\u5b9a\u7684\u957f\u5ea6\uff1b\u4f46\u662f padding \u5bf9\u5e94\u7684\u5b57\u7b26\u53ea\u662f\u4e3a\u4e86\u7edf\u4e00\u957f\u5ea6\uff0cpadding\u53c2\u4e0e\u8fd0\u7b97\u7b49\u4e8e\u8ba9\u65e0\u6548\u7684\u90e8\u5206\u53c2\u4e0e\u4e86\u8fd0\u7b97\uff0c\u8fd9\u4f1a\u5f71\u54cd\u6a21\u578b\u7684\u6027\u80fd\u3002<\/p>\n<blockquote>\n<p>\u4ee5\u4e0a\u5185\u5bb9\u66fe\u5728<a href=\"https:\/\/17aitech.com\/?p=9534#toc-9\">\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011Day18\uff1aSeq2Seq\u7684\u6df1\u5165\u4e86\u89e3<\/a>\u4e5f\u9047\u5230\u8fc7\uff0cSeq2Seq\u662f\u901a\u8fc7\u4f20\u5165\u5b9e\u9645\u7684\u6570\u636e\u957f\u5ea6\u4ee5\u7565\u8fc7padding\u90e8\u5206\u3002<\/p>\n<\/blockquote>\n<p>\u5728Transformer\u4e2d\uff0c\u901a\u8fc7\u7ed9\u65e0\u6548\u533a\u57df\u52a0\u4e00\u4e2a\u5f88\u5927\u7684\u8d1f\u6570\u504f\u7f6e\uff0c\u4f7f\u65e0\u6548\u533a\u57df\u7ecf\u8fc7softmax\u8ba1\u7b97\u4e4b\u540e\u5f97\u5230\u7684\u7ed3\u679c\u51e0\u4e4e\u4e3a0\uff0c\u4ece\u800c\u907f\u514d\u4e86\u65e0\u6548\u533a\u57df\u53c2\u4e0e\u8ba1\u7b97\u3002<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/mask_\u89e3\u51b3padding.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/mask_\u89e3\u51b3padding.png\" alt=\"\" \/><\/a><\/p>\n<h6><span class=\"ez-toc-section\" id=\"subsequence_mask\"><\/span>subsequence mask<span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p>\u5728\u8bed\u8a00\u6a21\u578b\u4e2d\uff0c\u5e38\u5e38\u9700\u8981\u4ece\u4e0a\u4e00\u4e2a\u8bcd\u9884\u6d4b\u4e0b\u4e00\u4e2a\u8bcd\uff0c\u4f46\u5982\u679c\u8981\u5728LM\u4e2d\u5e94\u7528 self attention \u6216\u8005\u662f\u540c\u65f6\u4f7f\u7528\u4e0a\u4e0b\u6587\u7684\u4fe1\u606f\uff0c\u8981\u60f3\u4e0d\u6cc4\u9732\u8981\u9884\u6d4b\u7684\u6807\u7b7e\u4fe1\u606f\uff0c\u5c31\u9700\u8981 mask \u6765\u201c\u906e\u76d6\u201d\u5b83\u3002<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/mask_\u89e3\u51b3\u4fe1\u606f\u6cc4\u9732.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/mask_\u89e3\u51b3\u4fe1\u606f\u6cc4\u9732.png\" alt=\"\" \/><\/a><\/p>\n<ul>\n<li>\u4e00\u4e2a\u5305\u62ec\u56db\u4e2a\u8bcd\u7684\u53e5\u5b50[A,B,C,D]\uff0c\u5728\u8ba1\u7b97\u4e86\u76f8\u4f3c\u5ea6scores\u4e4b\u540e\uff0c\u5f97\u5230\u4e0a\u9762\u7b2c\u4e00\u5e45\u56fe<\/li>\n<li>\u5c06scores\u7684\u4e0a\u4e09\u89d2\u533a\u57dfmask\u6389\uff0c\u5373\u66ff\u6362\u4e3a\u8d1f\u65e0\u7a77\uff0c\u518d\u505asoftmax\u5f97\u5230\u7b2c\u4e09\u5e45\u56fe\u3002<\/li>\n<li>\u8fd9\u6837\uff0c\u6bd4\u5982\u8f93\u5165 B \u5728self-attention\u4e4b\u540e\uff0c\u4e5f\u53ea\u548cA\uff0cB\u6709\u5173\uff0c\u800c\u4e0e\u540e\u5e8f\u4fe1\u606f\u65e0\u5173\u3002<\/li>\n<\/ul>\n<blockquote>\n<p>\u4ee5\u4e0a\u5185\u5bb9\u642c\u8fd0\u81ea<a href=\"https:\/\/blog.csdn.net\/qq_23981335\/article\/details\/106657818\">\u52a8\u56fe\u56fe\u89e3Transformer\u53ca\u5176\u5de5\u7a0b\u9886\u57df\u5e94\u7528<\/a>\u3002<\/p>\n<\/blockquote>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u5176\u4ed6\u529f\u80fd\u4e0e\u591a\u5934\u6ce8\u610f\u529b\u4e00\u81f4\uff0c\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n<h5><span class=\"ez-toc-section\" id=\"%E8%9E%8D%E5%90%88%E6%B3%A8%E6%84%8F%E5%8A%9B%E5%A4%84%E7%90%86%E9%83%A8%E5%88%86\"><\/span>\u878d\u5408\u6ce8\u610f\u529b\u5904\u7406\u90e8\u5206<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u878d\u5408\u5904\u7406\u6ce8\u610f\u529b\u90e8\u5206.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u878d\u5408\u5904\u7406\u6ce8\u610f\u529b\u90e8\u5206.png\" alt=\"\" \/><\/a><\/p>\n<p>\u878d\u5408\u5904\u7406\u90e8\u5206\u7684\u8f93\u5165\u7bad\u5934\u4e2d\uff1a<\/p>\n<ul>\n<li>\u5de6\u4fa7\u4e24\u4e2a\u662f\u6765\u81eaencoder\u7684\u4e2d\u95f4\u8868\u8fbeK\u548cV<\/li>\n<li>\u53f3\u4fa7\u4e00\u4e2a\u7bad\u5934\u6765\u81ea decoder\u7684\u8f93\u51fa\n<ul>\n<li>\u8fd9\u90e8\u5206\u529f\u80fd\u662f\u5c06encoder\u7684\u8f93\u51fa\u4e0edecoder\u7684\u8f93\u51fa\u8fdb\u884c\u878d\u5408\uff0c\u4ece\u800c\u5f97\u5230\u4e00\u4e2a\u5b8c\u6574\u7684\u8f93\u51fa\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E5%9B%9E%E9%A1%BETransformer%E7%9A%84%E6%95%B4%E4%BD%93%E7%BB%93%E6%9E%84\"><\/span>\u56de\u987eTransformer\u7684\u6574\u4f53\u7ed3\u6784<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%E8%AF%A6%E7%BB%86%E7%9A%84%E7%BB%93%E6%9E%84%E5%9B%BE%E5%B8%A6%E6%9C%89%E5%86%85%E9%83%A8%E7%BB%84%E4%BB%B6\"><\/span>\u8be6\u7ec6\u7684\u7ed3\u6784\u56fe(\u5e26\u6709\u5185\u90e8\u7ec4\u4ef6)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u8be6\u7ec6\u5185\u90e8\u7ec4\u4ef6\u7684\u7ed3\u6784\u56fe.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/\u8be6\u7ec6\u5185\u90e8\u7ec4\u4ef6\u7684\u7ed3\u6784\u56fe.png\" alt=\"\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E7%AE%80%E5%8C%96%E7%9A%84%E7%BB%93%E6%9E%84%E5%9B%BE%E5%B8%A6%E6%9C%89%E5%8A%A8%E7%94%BB%E6%95%88%E6%9E%9C\"><\/span>\u7b80\u5316\u7684\u7ed3\u6784\u56fe(\u5e26\u6709\u52a8\u753b\u6548\u679c)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/transformer_decoding_2.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/08\/transformer_decoding_2.gif\" alt=\"\" \/><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%86%85%E5%AE%B9%E5%B0%8F%E7%BB%93\"><\/span>\u5185\u5bb9\u5c0f\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\u6ce8\u610f\u529b\u673a\u5236\u662f\u4e00\u79cd\u6a21\u4eff\u4eba\u7c7b\u89c6\u89c9\u548c\u8ba4\u77e5\u7cfb\u7edf\u7684\u65b9\u6cd5\uff0c\u5176\u672c\u8d28\u662f\uff1a\u5173\u6ce8\u7684\u589e\u5f3a\uff0c\u4e0d\u5173\u6ce8\u7684\u51cf\u5f31<\/li>\n<li><code>Transformer<\/code> \u67b6\u6784\u57fa\u4e8e\u81ea\u6ce8\u610f\u529b\u673a\u5236\uff08self-attention\uff09\uff0c\u6452\u5f03\u4e86\u4f20\u7edf\u7684RNN\u5faa\u73af\u7ed3\u6784\uff0c\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u5e76\u884c\u5904\u7406\u80fd\u529b\u548c\u8bad\u7ec3\u6548\u7387\u3002<\/li>\n<li><code>Transformer<\/code> \u662f\u4e00\u4e2a\u5178\u578b\u7684seq2seq\u7ed3\u6784\uff08encoder-decoder\u7ed3\u6784\uff09\uff0c\n<ul>\n<li>\u5728endoder\u90e8\u5206\uff0c\u4e3b\u8981\u7531<code>\u8f93\u5165\u5904\u7406\u5916\u6302<\/code>\u548c<code>\u591a\u5934\u6ce8\u610f\u529b\u5904\u7406<\/code>\u7ec4\u6210\uff1b<\/li>\n<li>\u5728decoder\u90e8\u5206\uff0c\u4e3b\u8981\u7531<code>\u8f93\u51fa\u5904\u7406\u5916\u6302<\/code>\u3001<code>\u591a\u5934\u63a9\u7801\u6ce8\u610f\u529b<\/code>\u3001<code>\u878d\u5408\u5904\u7406<\/code>\u7ec4\u6210\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5173\u4e8e\u6ce8\u610f\u529b\n<ul>\n<li><code>\u81ea\u6ce8\u610f\u529b\u673a\u5236<\/code> \u5728\u5904\u7406\u5e8f\u5217\u6570\u636e\u65f6\uff0c<strong>\u6bcf\u4e2a\u5143\u7d20<\/strong>\u90fd\u53ef\u4ee5\u4e0e\u5e8f\u5217\u4e2d\u7684<strong>\u5176\u4ed6\u5143\u7d20<\/strong>\u5efa\u7acb\u5173\u8054\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u4f9d\u8d56\u4e8e\u76f8\u90bb\u4f4d\u7f6e\u7684\u5143\u7d20\u3002<\/li>\n<li><code>\u591a\u5934\u6ce8\u610f\u529b\u673a\u5236<\/code> \u662f\u5728 <code>\u81ea\u6ce8\u610f\u529b\u673a\u5236<\/code> \u7684\u57fa\u7840\u4e0a\u53d1\u5c55\u8d77\u6765\u7684\uff0c\u662f\u81ea\u6ce8\u610f\u529b\u673a\u5236\u7684<strong>\u53d8\u4f53<\/strong>\uff0c\u65e8\u5728\u589e\u5f3a\u6a21\u578b\u7684\u8868\u8fbe\u80fd\u529b\u548c\u6cdb\u5316\u80fd\u529b\u3002<\/li>\n<li><code>\u591a\u5934\u63a9\u7801\u6ce8\u610f\u529b(Masked Multi-Head Attention)<\/code> \u6bd4 <code>\u591a\u5934\u6ce8\u610f\u529b(Multi-Head Attention)<\/code> \u7ed3\u6784\u591a\u4e86\u4e00\u4e2a<code>masked<\/code>\u3002<\/li>\n<li><code>\u878d\u5408\u6ce8\u610f\u529b<\/code> 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