{"id":404,"date":"2023-08-09T11:19:14","date_gmt":"2023-08-09T03:19:14","guid":{"rendered":"http:\/\/8.154.33.202\/?p=404"},"modified":"2023-08-09T11:19:14","modified_gmt":"2023-08-09T03:19:14","slug":"transformer%ef%bc%88attention-is-all-you-need%ef%bc%89%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"http:\/\/8.154.33.202\/?p=404","title":{"rendered":"transformer\uff08attention is all you need\uff09\u5b66\u4e60"},"content":{"rendered":"\n<p>transformer\u6700\u5f00\u59cb\u662f\u505a\u7ffb\u8bd1\u7684\uff0c\u4e4b\u524d\u770b\u5b83\u7684\u8bba\u6587\u4ee5\u53ca\u7f51\u4e0a\u76f8\u5173\u4ecb\u7ecd\uff0c\u5bf9\u4e00\u4e9b\u4e1c\u897f\u6ca1\u6709\u5f04\u660e\u767d\uff0c\u770b\u4e86\u77e5\u4e4e\u7684\u4e00\u4e2a\u4ecb\u7ecd <a href=\"https:\/\/zhuanlan.zhihu.com\/p\/338817680\">Transformer\u6a21\u578b\u8be6\u89e3\uff08\u56fe\u89e3\u6700\u5b8c\u6574\u7248\uff09 &#8211; \u77e5\u4e4e (zhihu.com)<\/a> \uff0c\u7136\u540e\u7814\u7a76\u4e86\u4e00\u4e0bGitHub\u4e0a\u7684\u4ee3\u7801 <a href=\"https:\/\/github.com\/jadore801120\/attention-is-all-you-need-pytorch\/tree\/master\">GitHub &#8211; jadore801120\/attention-is-all-you-need-pytorch: A PyTorch implementation of the Transformer model in &#8220;Attention is All You Need&#8221;.<\/a> \uff0c\u7b97\u662f\u57fa\u672c\u628a\u539f\u672ctransformer\u5f04\u61c2\u4e86\u3002\u5728\u6b64\u603b\u7ed3\u4e00\u4e0b\u4e4b\u524d\u6ca1\u6709\u5f04\u660e\u767d\u7684\u51e0\u4e2a\u95ee\u9898\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic3.zhimg.com\/v2-f5049e8711c3abe8f8938ced9e7fc3da_r.jpg\" alt=\"\"\/><figcaption>transformer\u603b\u4f53\u7ed3\u6784<\/figcaption><\/figure>\n\n\n\n<p>\u4ece\u4e0a\u9762\u7684\u603b\u4f53\u67b6\u6784\u770b\uff0c\u5176\u5b9e\u6db5\u76d6\u4e86\u7f51\u7edc\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u4f46\u662f\u6709\u4e00\u4e9b\u5730\u65b9\u6ca1\u6709\u8be6\u7ec6\u8bf4\u660e\uff0c\u4e5f\u662f\u7ed9\u6211\u9020\u6210\u4e86\u4e00\u4e9b\u7591\u95ee\uff0c\u7136\u540e\u7814\u7a76\u4e86\u4e00\u4e0b\u4ee3\u7801\u624d\u641e\u61c2\u3002\u9996\u5148\u4ece\u8f93\u5165\u5f00\u59cb\u8bf4\u660e\u3002\u8f93\u5165\u662f\u4e00\u6bb5\u8bdd\uff0c\u9884\u5904\u7406\u5c31\u662f\u5c06\u6bcf\u4e2a\u8bcd\u6839\u636e\u8bcd\u6c47\u8868\u6620\u5c04\u6210\u4e00\u4e2a\u6574\u6570\u6765\u8868\u793a\u5b83\uff0c\u6211\u7406\u89e3\u5c31\u662f\u8fd9\u4e2a\u8bcd\u7684token\uff0c\u7136\u540e\u8f93\u5165\u5230\u7f51\u7edc\u91cc\u7684\u5c31\u662f\u8fd9\u4e00\u4e32\u6574\u6570\u3002\u7f51\u7edc\u5c06\u8fd9\u4e32\u6570\u5b57\uff0c\u9996\u5148\u7ecf\u8fc7torch.nn.embedding\u5c42\uff0c\u5f97\u5230\u8f93\u5165\u7684embedding\u3002<\/p>\n\n\n\n<p>\u7136\u540e\u5c31\u662f\u52a0\u4e0aposition_encoding\uff0c\u7ecf\u8fc7encoder\u3002\u56fe\u4e2d\u7070\u8272\u7684\u90e8\u5206\u5c31\u662fencoder_layer\u3002encoder\u662fn\u4e2a\u4e0d\u540c\u7684encoder_layer\u7ec4\u6210\uff0c\u800c\u4e0d\u662f\u4e00\u4e2aencoder_layer\u91cd\u590dn\u6b21\u3002\u53f3\u8fb9\u7684decoder\u4e5f\u662f\u540c\u7406\u3002<\/p>\n\n\n\n<p>\u7136\u540e\u5c31\u5230decoder\u7684\u90e8\u5206\u3002\u4e00\u5f00\u59cb\u4f1a\u6709\u4e00\u4e2a\u521d\u59cb\u7684token\uff0c\u8868\u793a\u53e5\u5b50\u7684\u5f00\u59cb\uff0c\u540c\u6837\u4e5f\u662f\u7ecf\u8fc7torch.nn.Embedding\u5c42\u5f97\u5230embedding\uff0c\u7136\u540e\u7ecf\u8fc7decoder\uff08\u9700\u8981encoder\u7684\u8f93\u51fa\uff09\uff0c\u5f97\u5230\u6700\u540edecoder\u7684output\uff0c\u7136\u540e\u8fd9\u4e2aoutput\u7ecf\u8fc7linear\u5c42\u548csoftmax\uff0c\u5f97\u5230\u4e00\u4e2a\u7ed3\u679c\uff0c\u4f46\u662f\u8fd9\u91cc\u6ce8\u610f\uff0c\u8fd9\u4e2a\u7ed3\u679c\u5e76\u4e0d\u662f\u6700\u540e\u7684\u7ed3\u679c\uff0c\u53e5\u5b50\u5df2\u7ecf\u7ffb\u8bd1\u5b8c\u4e86\uff0c\u800c\u53ea\u662f\u5f97\u5230\u4e0b\u4e00\u4e2atoken\uff0csoftmax\u8f93\u51fa\u8868\u793a\u4e0b\u4e00\u4e2atoken\u7684\u53ef\u80fd\u6027\u3002\u7136\u540e\u53d6\u53ef\u80fd\u6027\u6700\u5927\u7684\u4f5c\u4e3a\u9884\u6d4b\u7684\u4e0b\u4e00\u4e2atoken\uff0c\u5c06\u9884\u6d4b\u7684token\uff0c\u63a5\u5728\u4e4b\u524d\u7684\u6240\u6709token\u540e\u9762\uff0c\u518d\u6b21\u91cd\u590ddecoder\u7684\u8fc7\u7a0b\uff0c\u76f4\u5230\u67d0\u4e00\u4e2a\u9884\u6d4b\u7684token\u4e3a\u8868\u793a\u53e5\u5b50\u7ed3\u675f\u7684token\u3002\u6700\u540e\u5c06\u5f97\u5230\u7684token\u5e8f\u5217\uff0c\u6839\u636e\u8bcd\u6c47\u8868\u6620\u5c04\u4e3a\u5bf9\u5e94\u7684\u5355\u8bcd\uff0c\u5b8c\u6210\u53e5\u5b50\u7684\u7ffb\u8bd1\u3002\u56e0\u6b64\uff0c\u7ffb\u8bd1\u7ed3\u679c\u4e2d\u6bcf\u4e2a\u5355\u8bcd\u662f\u9010\u4e2a\u5f97\u5230\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u5b8c\u6210\u7684\uff0c\u6bcf\u4e00\u4e2a\u8f93\u51fa\u7684\u5355\u8bcd\u90fd\u662f\u7531\u5df2\u7ecf\u5f97\u5230\u7684\u7ed3\u679c\uff0c\u7ecf\u8fc7\u4e00\u6b21decoder\u5f97\u5230\u7684\u3002<\/p>\n\n\n\n<p>\u800cdecoder\u6700\u540e\u7ecf\u8fc7softmax\u5f97\u5230\u4e0b\u4e00\u4e2atoken\uff0c\u5e76\u4e0d\u603b\u662f\u76f4\u63a5\u53d6\u53ef\u80fd\u6027\u6700\u5927\u7684token\u4f5c\u4e3a\u7ed3\u679c\u3002\u5b9e\u9645\u4e0atransformer\u7ef4\u62a4\u7740k\u4e2a\u53ef\u80fd\u6027\u6700\u9ad8\u7684token\u5e8f\u5217\u4ee5\u53ca\u5b83\u4eec\u5bf9\u5e94\u7684\u53ef\u80fd\u6027\u5f97\u5206\u3002\u5c06\u8fd9k\u4e2a\u5e8f\u5217\u90fd\u8f93\u5165decoder 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MHA\u4e4b\u540e\u8f93\u51fa\u7684\u5e8f\u5217Z\uff08\u548c\u8f93\u5165\u5e8f\u5217\u957f\u5ea6\u76f8\u540c\uff09\uff0c\u6bcf\u4e2a\u4f4d\u7f6e\u7684\u7ed3\u679c\u90fd\u53ea\u662f\u7531\u8f93\u5165\u5e8f\u5217\u8be5\u4f4d\u7f6e\u4e4b\u524d\u7684\u5185\u5bb9\u8ba1\u7b97\u5f97\u5230\u7684\uff0c\u5c31\u7b49\u540c\u4e8e\u5bf9Z\u7684\u8fd9\u4e2a\u4f4d\u7f6e\u5143\u7d20\u6765\u8bf4\uff0c\u8f93\u5165\u5c31\u662f\u4ece\u5f00\u5934\u5230\u8fd9\u4e2a\u4f4d\u7f6e\u7684\u4e0d\u5b8c\u6574\u5e8f\u5217\u3002\u6700\u540edecoder\u7684\u8f93\u51fa\u4e5f\u662f\u540c\u7406\uff0c\u6bcf\u4e2a\u4f4d\u7f6e\u7684\u7ed3\u679c\u90fd\u53ea\u4ece\u8f93\u5165\u5e8f\u5217\u8be5\u4f4d\u7f6e\u4e4b\u524d\u7684\u5185\u5bb9\u8ba1\u7b97\u5f97\u5230\u3002\u518d\u7ecf\u8fc7linear\uff08linear\u4e4b\u540e\u957f\u5ea6\u4ecd\u7136\u548c\u8f93\u5165\u7684\u957f\u5ea6\u4e00\u81f4\uff09\u548csoftmax\uff0c\u53d6\u6bcf\u4e2a\u4f4d\u7f6esoftmax\u540e\u7684\u7ed3\u679c\uff0c\u4e0e\u8be5\u4f4d\u7f6e\u5bf9\u5e94\u7684\u76ee\u6807token\uff0c\u8ba1\u7b97loss\uff0c\u5b9e\u73b0\u8bad\u7ec3\u3002\uff08\u9884\u6d4b\u7684\u65f6\u5019\u662f\u53d6\u6700\u540e\u4e00\u4e2a\u4f4d\u7f6e\u5bf9\u5e94\u7684softmax\u7684\u7ed3\u679c\u4f5c\u4e3a\u9884\u6d4b\uff0c\u524d\u9762\u4f4d\u7f6e\u7684\u7ed3\u679c\u662f\u65e0\u610f\u4e49\u7684\uff09<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>transformer\u6700\u5f00\u59cb\u662f\u505a\u7ffb\u8bd1\u7684\uff0c\u4e4b\u524d\u770b\u5b83\u7684\u8bba\u6587\u4ee5\u53ca\u7f51\u4e0a\u76f8\u5173\u4ecb\u7ecd\uff0c\u5bf9\u4e00\u4e9b\u4e1c\u897f\u6ca1\u6709\u5f04\u660e\u767d\uff0c\u770b\u4e86\u77e5\u4e4e\u7684\u4e00\u4e2a\u4ecb &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/8.154.33.202\/?p=404\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201ctransformer\uff08attention is all you need\uff09\u5b66\u4e60\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-404","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts\/404"}],"collection":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=404"}],"version-history":[{"count":2,"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts\/404\/revisions"}],"predecessor-version":[{"id":407,"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts\/404\/revisions\/407"}],"wp:attachment":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=404"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}