{"id":38673,"date":"2019-08-01T00:00:52","date_gmt":"2019-07-31T16:00:52","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=38673"},"modified":"2022-01-04T01:28:41","modified_gmt":"2022-01-03T17:28:41","slug":"%e3%80%8c%e5%89%aa%e3%80%8d%e5%87%ba%e6%9c%80%e6%9c%89%e6%95%88%e7%8e%87%e7%9a%84%e7%a5%9e%e7%b6%93%e7%b6%b2%e8%b7%af","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=38673","title":{"rendered":"\u300c\u526a\u300d\u51fa\u6700\u6709\u6548\u7387\u7684\u795e\u7d93\u7db2\u8def"},"content":{"rendered":"<div class=\"single-post-media clr\">\n<div class=\"post-thumbnail\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2019\/08\/pruning.jpg\" alt=\"\u300c\u526a\u300d\u51fa\u6700\u6709\u6548\u7387\u7684\u795e\u7d93\u7db2\u8def\" width=\"500\" height=\"333\" \/><\/div>\n<\/div>\n<div class=\"entry clr\">\n<div class=\"pf-content\">\n<p><strong>\u64b0\u6587\uff0f\u9673\u5101\u7ff0<\/strong><\/p>\n<p><strong>\u6a02\u900f\u5047\u8aaa<\/strong><\/p>\n<p>\u5178\u578b\u7684\u526a\u679d\u5206\u70ba\u4e09\u500b\u6b65\u9a5f\uff0c\u5206\u5225\u662f\u8a13\u7df4\u3001\u526a\u679d\u9084\u6709\u5fae\u8abf\u3002\u5728\u8a13\u7df4\u968e\u6bb5\uff0c\u6211\u5011\u4e00\u822c\u6703\u9078\u53d6\u4e00\u500b\u8f03\u5927\u7684\u6a21\u578b\uff0c\u4f7f\u5f97\u5728\u8a13\u7df4\u5b8c\u6210\u5f8c\u80fd\u5920\u53bb\u9664\u6389\u5197\u9918\u7684\u53c3\u6578\u5f97\u5230\u8f03\u5c0f\u7684\u6a21\u578b\uff0c\u4e14\u4e0d\u6703\u9020\u6210\u6e96\u78ba\u7387\u9a5f\u964d\u3002\u4e0b\u4e00\u6b65\uff0c\u526a\u679d\uff1a\u91dd\u5c0d\u5404\u53c3\u6578\u6216\u53c3\u6578\u7d44\u7684\u91cd\u8981\u6027\u9032\u884c\u6392\u5e8f\uff0c\u4e26\u79fb\u9664\u6bd4\u8f03\u4e0d\u91cd\u8981\u7684\u53c3\u6578\u3002\u6700\u5f8c\uff0c\u5fae\u8abf\uff1a\u5f4c\u88dc\u526a\u679d\u5f8c\u9020\u6210\u7684\u6027\u80fd\u964d\u4f4e\u800c\u518d\u6b21\u8a13\u7df4\u3002<\/p>\n<p>MIT\u8a08\u7b97\u6a5f\u79d1\u5b78\u8207\u4eba\u5de5\u667a\u6167\u5be6\u9a57\u5ba4\u7684\u7814\u7a76\u4eba\u54e1\u6191\u85c9\u9019\u6a23\u7684\u89c0\u5bdf\u63d0\u51fa\u300c\u6a02\u900f\u5047\u8aaa\u300d\uff08the lottery ticket hypothesis\uff09\uff1a\u53ea\u8981\u662f\u4e00\u500b\u5bc6\u96c6\u7684\u3001\u96a8\u6a5f\u521d\u59cb\u5316\u7684\u524d\u994b\u795e\u7d93\u7db2\u8def\uff0c\u90fd\u5305\u542b\u4e86\u6578\u500b\u5b50\u7db2\u8def\u53ef\u4ee5\u7d93\u904e\u7368\u7acb\u7684\u8a13\u7df4\uff0c\u5728\u76f8\u4f3c\u7684\u8a13\u7df4\u6642\u9593\u5f97\u5230\u76f8\u4f3c\u6e96\u78ba\u5ea6\u3002\u4ee5\u526a\u679d\u7684\u89d2\u5ea6\u4f86\u8aaa\uff0c\u5c31\u662f\u5728\u7d93\u904e\u4e00\u822c\u8a13\u7df4\u6d41\u7a0b\u7684\u795e\u7d93\u7db2\u8def\u4e2d\uff0c\u90fd\u53ef\u4ee5\u900f\u904e\u526a\u679d\u5f97\u5230\u4e00\u500b\u6709\u76f8\u4f3c\u6e96\u78ba\u5ea6\u7684\u5b50\u7db2\u8def\uff0c\u5c31\u50cf\u5728\u5f69\u5238\u5806\u4e2d\u627e\u5230\u90a3\u5f35\u4e2d\u4e86\u6a02\u900f\u982d\u5f69\u7684\u5f69\u5238\u3002<\/p>\n<p><strong>\u526a\u679d\u7684\u610f\u7fa9\u8207\u50f9\u503c<\/strong><\/p>\n<p>\u5728\u5178\u578b\u7684\u526a\u679d\u6d41\u7a0b\u88e1\uff0c\u5fae\u8abf\u9019\u500b\u6b65\u9a5f\u662f\u57fa\u65bc\u73fe\u6709\u7684\u53c3\u6578\u518d\u6b21\u8a13\u7df4\u3002\u7136\u800c\uff0c\u5be6\u9a57\u7d50\u679c\u8868\u660e\uff0c\u6211\u5011\u53ef\u4ee5\u62ff\u526a\u679d\u5f8c\u7684\u6a21\u578b\u76f4\u63a5\u91cd\u65b0\u9032\u884c\u8a13\u7df4\uff0c\u5927\u90e8\u5206\u60c5\u6cc1\u4e0b\u90fd\u6703\u5f97\u5230\u6bd4\u5fae\u8abf\u66f4\u597d\u7684\u7d50\u679c\uff0c\u751a\u81f3\u6703\u8d85\u8d8a\u526a\u679d\u524d\u6a21\u578b\u7684\u8868\u73fe\u3002<\/p>\n<p>\u4e0b\u8868\u6574\u7406\u4e86\u4e0d\u540c\u5fae\u8abf\u8207\u8a13\u7df4\u65b9\u6cd5\uff0c\u5728\u4e0d\u540c\u8cc7\u6599\u96c6\u4e2d\u7684\u8868\u73fe\u3002<\/p>\n<div id=\"attachment_82568\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2019\/08\/lottery-ticket-hypothesis.png\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"wp-image-82568 size-full\" src=\"https:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2019\/08\/lottery-ticket-hypothesis.png\" alt=\"\" width=\"663\" height=\"432\" \/><\/a><\/p>\n<p class=\"wp-caption-text\">\uff08\u4f86\u6e90\uff1aLiu et al. 2019.\uff09<\/p>\n<\/div>\n<p>Unpruned\u4ee3\u8868\u672a\u526a\u679d\u7684\u6a21\u578b\uff0cPrune ratio\u4ee3\u8868\u526a\u6389\u7684\u6bd4\u4f8b\uff0cFine-tuned\u662f\u5fae\u8abf\u7684\u6a21\u578b\uff0c Scratch-E\u662f\u526a\u679d\u5f8c\u91cd\u65b0\u8a13\u7df4\u4e14\u758a\u4ee3\u6b21\u6578\u76f8\u540c\uff0cScratch-B\u662f\u526a\u679d\u5f8c\u91cd\u65b0\u8a13\u7df4\u4e14\u8a13\u7df4\u6642\u9593\u8207\u8a08\u7b97\u8cc7\u6e90\u76f8\u540c\u3002\u53ef\u4ee5\u770b\u5230Scratch-B\u5728\u8a31\u591a\u60c5\u6cc1\u90fd\u6709\u8f03\u9ad8\u7684\u6e96\u78ba\u7387\uff0c\u751a\u81f3\u5f88\u591a\u6642\u5019\u80fd\u8d85\u8d8a\u672a\u526a\u679d\u6a21\u578b\u7684\u6e96\u78ba\u7387\u3002<\/p>\n<p>\u9019\u6a23\u7684\u7d50\u679c\u544a\u8a34\u6211\u5011\uff1a\u526a\u679d\u7684\u50f9\u503c\u4e0d\u5728\u65bc\u628a\u8a13\u7df4\u5f97\u5230\u7684\u53c3\u6578\u7559\u4e0b\u4f86\uff0c\u800c\u5728\u65bc\u7559\u4e0b\u526a\u679d\u5f8c\u7684\u7db2\u8def\u67b6\u69cb\u3002\u526a\u679d\u53ef\u4ee5\u88ab\u8996\u70ba\u4e00\u7a2e\u5c0b\u627e\u512a\u79c0\u6a21\u578b\u67b6\u69cb\u7684\u65b9\u6cd5\uff0c\u4e26\u53ef\u4ee5\u8996\u8a08\u7b97\u8cc7\u6e90\u9078\u64c7\u5fae\u8abf\u6216\u662f\u91cd\u65b0\u8a13\u7df4\u526a\u679d\u5f8c\u7684\u65b0\u6a21\u578b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599<\/strong><\/p>\n<ol>\n<li>Z. Liu, M. Sun, T. Zhou, G. Huang and T. Darrell, \u201c<a href=\"https:\/\/arxiv.org\/abs\/1810.05270\">Rethinking the Value of Network Pruning<\/a>\u201c<em>, arXiv,\u00a0<\/em>2019.<\/li>\n<li>J. Frankle and M. Carbin, \u201c<a href=\"https:\/\/arxiv.org\/abs\/1803.03635\">The Lottery Ticket Hypothesis: Finding Sparse, Trainable Neural Networks<\/a>\u201c,\u00a0<em>arXiv<\/em>, 2019.<\/li>\n<li>H. Li, A. Kadav, I. Durdanovic, H. Samet and H. Graf, \u201c<a href=\"https:\/\/arxiv.org\/abs\/1608.08710\">Pruning Filters for Efficient ConvNets<\/a>\u201c<em>,<\/em>\u00a0<em>arXiv<\/em>, 2019.<\/li>\n<\/ol>\n<p>(\u672c\u6587\u7531\u6559\u80b2\u90e8\u88dc\u52a9\u300cAI\u5831\u5831\u2500AI\u79d1\u666e\u63a8\u5ee3\u8a08\u756b\u300d\u57f7\u884c\u5718\u968a\u7de8\u8b6f)<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u526a\u679d\uff08pruning\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6280\u5de7\uff0c\u85c9\u7531\u53bb\u9664\u795e\u7d93\u7db2\u8def\u4e2d\u5197\u9918\u7684\u53c3\u6578\uff0c\u4f7f\u5f97\u904b\u7b97\u901f\u5ea6\u5feb\u4e0a\u6578\u500d\uff0c\u4e26\u964d\u4f4e\u5c0d\u8cc7\u6599\u5132\u5b58\u91cf\u7684\u9700\u6c42\uff0c\u540c\u6642\u4fdd\u6301\u7626\u8eab\u5f8c\u6a21\u578b\u7684\u6e96\u78ba\u5ea6\u8207\u539f\u6a21\u578b\u76f8\u7576\u3002\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u526a\u679d\u5f8c\u7684\u6a21\u578b\u5728\u91cd\u65b0\u8a13\u7df4\u5f8c\uff0c\u751a\u81f3\u80fd\u8d85\u8d8a\u539f\u672c\u7684\u6a21\u578b\u3002\u9019\u5728\u6709\u901f\u5ea6\u8981\u6c42\uff08\u4f8b\u5982\u9ad8\u5e40\u6578\u7684\u5373\u6642\u7269\u4ef6\u8fa8\u8b58\uff09\u6216\u6709\u786c\u9ad4\u689d\u4ef6\u9650\u5236\uff08\u4f8b\u5982\u5728\u624b\u6a5f\u4e0a\u904b\u884c\u6a21\u578b\uff09\u7684\u60c5\u5883\u4e2d\u5f88\u6709\u5e6b\u52a9\uff0c\u6700\u65b0\u7684\u7814\u7a76\u8b93\u6211\u5011\u66f4\u4e86\u89e3\u526a\u679d\u7684\u610f\u7fa9\u8207\u50f9\u503c\u3002<\/p>\n","protected":false},"author":21,"featured_media":38674,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3772,3293],"tags":[5900,5737],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2022\/01\/pruning.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38673"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=38673"}],"version-history":[{"count":1,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38673\/revisions"}],"predecessor-version":[{"id":38675,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38673\/revisions\/38675"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/38674"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=38673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=38673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=38673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}