{"id":3850,"date":"2021-06-18T20:43:42","date_gmt":"2021-06-18T12:43:42","guid":{"rendered":"http:\/\/www.sniper97.cn\/?p=3850"},"modified":"2021-06-18T20:43:42","modified_gmt":"2021-06-18T12:43:42","slug":"%e3%80%90%e6%b7%b1%e5%ba%a6%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%e3%80%91self-attention%ef%bc%88synthesizer%ef%bc%89","status":"publish","type":"post","link":"http:\/\/www.sniper97.cn\/index.php\/note\/deep-learning\/note-deep-learning\/3850\/","title":{"rendered":"\u3010\u6df1\u5ea6\u5b66\u4e60\u7b14\u8bb0\u3011self-attention\uff08Synthesizer\uff09"},"content":{"rendered":"\n

\u65e2\u7136\u5df2\u7ecf\u6709\u4e86\u3010\u6df1\u5ea6\u5b66\u4e60\u7b14\u8bb0\u3011Attention\u548cself Attention\u7684\u8054\u7cfb\u548c\u533a\u522b<\/a>\uff0c\u4e3a\u4ec0\u4e48\u8fd9\u91cc\u8981\u518d\u5f00\u4e00\u7bc7\u6765\u8bb2self-attention\u5462\uff1f<\/p>\n\n\n

\u56e0\u4e3a\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7528\u6765\u63a8\u7ffb\u81ea\u6ce8\u610f\u529b\u673a\u5236\u7684\u3002<\/p>\n\n\n

\u5176\u5b9e\u6df1\u5ea6\u5b66\u4e60\u4e00\u76f4\u6709\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\u9ed1\u7bb1\uff0c\u5e76\u6ca1\u6709\u5f88\u5177\u4f53\u7684\u53ef\u89e3\u91ca\u6027\uff0c\u867d\u7136\u8fd1\u5e74\u6765\u505a\u4e86\u5f88\u591a\u7f51\u7edc\u53ef\u89e3\u91ca\u7684\u5de5\u4f5c\uff0c\u6bd4\u5982\u56fe\u7247\u8bc6\u522b\u65b9\u5411\u7684CNN\u53ef\u89c6\u5316\u7b49\u7b49\uff0c\u4f46\u662f\u53ef\u89e3\u91ca\u6027\u4f9d\u7136\u6bd4\u8f83\u5dee\u3002<\/p>\n\n\n

\u5728\u8fd9\u91cc\u9762\u81ea\u6ce8\u610f\u529b\u673a\u5236\u53c8\u662f\u4e00\u4e2a\u76f8\u5bf9\u6765\u8bf4\u53ef\u89e3\u91ca\u6027\u6bd4\u8f83\u5f3a\u7684\u4e00\u4e2a\u6a21\u578b\u4e86\uff0c\u5b83\u901a\u8fc7\u81ea\u5df1\u4e0e\u81ea\u5df1\u7684attention\u6765\u81ea\u52a8\u6355\u83b7token\u548ctoken\u4e4b\u95f4\u7684\u5173\u8054\u3002\u751a\u81f3\u300aattention is all you need\u300b<\/a> \u8bba\u6587\u4e2d\u4e5f\u7ed9\u51fa\u4e86\u4e00\u4e2a\u6bd4\u8f83\u5408\u7406\u7684\u53ef\u89c6\u5316\u7ed3\u679c\u3002<\/p>\n\n\n

\"\"\/<\/figure>\n\n\n

\u4f46\u662f\u4e8b\u5b9e\u771f\u7684\u662f\u8fd9\u6837\u7684\u5417\uff1f<\/p>\n\n\n

\u524d\u4e0d\u4e45\u8c37\u6b4c\u7684\u65b0\u8bba\u6587ICML2021\u300aSynthesizer: Rethinking Self-Attention in Transformer Models\u300b<\/a>\u8ba9\u6211\u4eec\u5f00\u59cb\u5bf9\u8fd9\u4e2a\u60f3\u6cd5\u662f\u5426\u79d1\u5b66\u5f00\u59cb\u6709\u4e86\u4e00\u5b9a\u7684\u6000\u7591\u3002<\/p>\n\n\n

\u5bf9\u4e8e\u6ce8\u610f\u529b\u673a\u5236\uff0c\u53ef\u4ee5\u67e5\u770b\u4e4b\u524d\u5728 \u3010\u6df1\u5ea6\u5b66\u4e60\u3011Transformer<\/a>\u4e2d\u5bf9\u591a\u5934\u6ce8\u610f\u529b\u673a\u5236\u8fdb\u884c\u7684\u63cf\u8ff0\u3002<\/p>\n\n\n

\u800c\u8c37\u6b4c\u5728\u8fd9\u7bc7\u8bba\u6587\u4e0a\u505a\u4e86\u4e00\u4e2a\u5b9e\u9a8c\uff0c\u90a3\u5c31\u662f<\/p>\n\n\n

\"\"\/<\/figure>\n\n\n

\u6700\u5de6\u8fb9\u8fd9\u4e2a\u5c31\u662f\u4e00\u4e2a\u6700\u57fa\u7840\u7684\u6ce8\u610f\u529b\u673a\u5236\uff0c\u662f\u901a\u8fc7qk\u8ba1\u7b97\u4e00\u4e2a\u6ce8\u610f\u529b\u77e9\u9635\uff0c\u7136\u540e\u548cv\u76f8\u4e58\u8f93\u51fa\u4e00\u4e2a\u7ed3\u679c\u3002<\/p>\n\n\n

\u800c\u95ee\u9898\u5c31\u662f\uff0c\u8fd9\u4e2a\u77e9\u9635\u771f\u7684\u662f\u201c\u6709\u9053\u7406\u201d\u5417\uff1f<\/p>\n\n\n

\u8c37\u6b4c\u5728\u8fd9\u7bc7\u8bba\u6587\u4e2d\u5c1d\u8bd5\u4e86\u4e24\u4e2a\u5176\u4ed6\u65b9\u6cd5\u6765\u751f\u6210\u8fd9\u4e2a\u77e9\u9635\u3002<\/p>\n\n\n

\u5206\u522b\u662f\uff1a\u4f7f\u7528dense\u6765\u8bad\u7ec3\u8fd9\u4e2a\u77e9\u9635\uff08\u4e2d\u95f4\u90a3\u4e2a\uff09\u548c\u968f\u673a\u521d\u59cb\u5316\uff08\u53f3\u8fb9\u90a3\u4e2a\uff09\uff0c\u6765\u9a8c\u8bc1\u6211\u4eec\u901a\u8fc7qv\u7684\u76f8\u4e58\u6700\u540e\u751f\u6210\u7684\u6ce8\u610f\u529b\u77e9\u9635\u5230\u5e95\u662f\u4e0d\u662f\u201c\u79d1\u5b66\u201d\u7684\u3002\u800c\u8fd9\u4e9b\u6a21\u578b\u7edf\u79f0\u4e3a Synthesizer<\/strong>\u3002<\/p>\n\n\n

dense<\/h4>\n\n\n

\u5bf9\u4e8e\u4f7f\u7528dense\u6765\u8bad\u7ec3\uff0c\u5176\u5b9e\u5c31\u662f\u901a\u8fc7\u4e00\u4e2a\u77e9\u9635\u5c06\u8f93\u5165\u53d8\u6362\u4e3a\u201c\u6ce8\u610f\u529b\u77e9\u9635\u201d\u3002<\/p>\n\n\n

\u539f\u6587\u4e2d\u4f7f\u7528\u4e86\u4e24\u5c42Dense\u6765\u505a\u8fd9\u4e00\u4e2a\u5de5\u4f5c<\/p>\n\n\n

\"\"<\/figure><\/div>\n\n\n

\u5176\u4e2d\uff1aX\u662f\u8f93\u5165\uff0cW\u548cb\u4e3adense\u6743\u91cd\u3002<\/p>\n\n\n

random<\/h4>\n\n\n

\u800crandom\u5219\u66f4\u52a0\u5f02\u60f3\u5929\u5f00\uff0c\u76f4\u63a5\u968f\u673a\u521d\u59cb\u5316\u8fd9\u4e2a\u77e9\u9635\uff08\u5f53\u7136\u4e5f\u53ef\u4ee5\u9009\u62e9\u8bad\u7ec3\u548c\u4e0d\u8bad\u7ec3\uff09\u3002<\/p>\n\n\n

\u90a3\u4e48\u6548\u679c\u548b\u6837\u5462\uff1f\u5b9e\u9a8c\u7ed3\u679c\u8ba9\u6211\u4eec\u5927\u8dcc\u773c\u955c\u3002<\/p>\n\n\n

\u7ed3\u679c\u8868\u660e\uff0c\u591a\u4efb\u52a1\u7684\u591a\u5b9e\u9a8c\u7ed3\u679c\uff0c\u9664\u4e86\u51bb\u7ed3ramdom\uff08fixed random\uff09\uff0c\u5176\u4f59\u7684\u81ea\u6ce8\u610f\u529b\u7ed3\u679c\u90fd\u5dee\u4e0d\u591a\u3002<\/p>\n\n\n

\"\"\/
\u673a\u5668\u7ffb\u8bd1\u7684\u7ed3\u679c<\/figcaption><\/figure>\n\n\n
\"\"\/
\u6458\u8981\u5bf9\u8bdd\u7684\u7ed3\u679c<\/figcaption><\/figure>\n\n\n

\u9884\u8bad\u7ec3+\u5fae\u8c03<\/h4>\n\n\n
\"\"\/
\u5728T5\u4e0a\u7684\u9884\u8bad\u7ec3+\u5fae\u8c03<\/figcaption><\/figure>\n\n\n

\u5728\u8fd9\u4e2a\u7ed3\u679c\uff0c\u4f7f\u7528D\u548cR\u7684\u81ea\u6ce8\u610f\u529b\u5c31\u4f1a\u76f8\u5bf9\u900a\u8272\u4e86\uff0c\u8fd9\u8868\u660eD\u548cR\u7684\u8fc1\u79fb\u80fd\u529b\u8f83\u5f31\u3002<\/p>\n\n\n

\u4f46\u662f\u4e0d\u53ef\u5426\u5b9a\uff0c\u7531\u4e8e\u7701\u53bb\u4e86\u77e9\u9635\u8ba1\u7b97\u7684\u8fc7\u7a0b\uff0c\u8fd0\u7b97\u6548\u7387\u4f1a\u663e\u8457\u63d0\u5347\uff0c\u4e5f\u5c31\u662f\u5982\u679c\u89e3\u51b3\u4e86\u8fc1\u79fb\u7684\u95ee\u9898\uff0cTransformer\u5bb6\u65cf\u6216\u5c06\u8d62\u6765\u5927\u6362\u8840\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u65e2\u7136\u5df2\u7ecf\u6709\u4e86\u3010\u6df1\u5ea6\u5b66\u4e60\u7b14\u8bb0\u3011Attention\u548cself Attention\u7684\u8054\u7cfb\u548c\u533a\u522b\uff0c\u4e3a\u4ec0\u4e48\u8fd9\u91cc […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[9],"tags":[37,39,41],"views":4803,"_links":{"self":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/3850"}],"collection":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/comments?post=3850"}],"version-history":[{"count":0,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/3850\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/media?parent=3850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/categories?post=3850"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/tags?post=3850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}