{"id":459,"date":"2023-03-02T08:35:26","date_gmt":"2023-03-02T00:35:26","guid":{"rendered":"http:\/\/madapapa.com\/wordpress\/?p=459"},"modified":"2023-03-22T14:55:23","modified_gmt":"2023-03-22T06:55:23","slug":"chatgpt","status":"publish","type":"post","link":"http:\/\/madapapa.com\/wordpress\/?p=459","title":{"rendered":"ChatGPT"},"content":{"rendered":"<p>\u6700\u8fd1\u8ff7\u4e0a\u4e86chatGPT\uff0c\u9010\u6e10\u5f97\u51fa\u4e00\u4e2a\u7ed3\u8bba\uff0c\u4f60\u4f7f\u7528chatGPT\u7684\u6548\u679c\uff0c\u5176\u5b9e\u5c31\u662f\u4f60\u548c\u8fd9\u4e2a\u6570\u5b57\u4e16\u754c\u7684\u8fb9\u754c\uff0c\u6216\u8005\u4f60\u548c\u8fd9\u4e2a\u6570\u5b57\u4e16\u754c\u7684\u719f\u6089\u7a0b\u5ea6\u3002<\/p>\n<p>\u4f8b\u5982<\/p>\n<ul>\n<li>\u4f60\u53ea\u4f7f\u7528\u81ea\u7136\u8bed\u8a00\uff0c\u90a3\u4e48\u5c31\u65e0\u6cd5\u4eab\u53d7\u7528\u673a\u5668\u8bed\u8a00\u548cgpt\u804a\u5929\u7684\u4e50\u8da3\uff1b<\/li>\n<li>\u5c40\u9650\u5728\u4e2d\u6587\u4e16\u754c\uff0cchatgpt\u7684\u8f93\u51fa\u8303\u56f4\uff0c\u5c31\u8981\u6709\u9650\u5f88\u591a\uff0c\u800c\u4e14\u4f1a\u4e0d\u81ea\u89c9\u5e26\u4e0a\u7b80\u4e2d\u4e16\u754c\u7684\u7279\u8272\uff0c\u8ba9\u4f60\u89c9\u5f97\u5728AI\u7684\u591a\u91cd\u5b87\u5b99\u4e2d\uff0c\u65e0\u6cd5\u81ea\u62d4\uff1b<\/li>\n<\/ul>\n<p>\u6211\u8d8a\u6765\u8d8a\u76f8\u4fe1\u9ad8\u65af\u5206\u5e03\uff0c\u8fd9\u4e2a\u4e16\u754c\u867d\u7136\u5f88\u5927\uff0c\u949f\u578b\u66f2\u7ebf\u5305\u88f9\u4e0b\u7684\u82b8\u82b8\u4f17\u751f\uff0c\u5dee\u5f02\u5176\u5b9e\u5f88\u5c0f\u3002\u800c\u4e00\u65e6\u4f60\u53d1\u73b0\u81ea\u5df1\u548c\u957f\u5c3e\u96c6\u5408\u4e2d\u7684\u67d0\u4e2a\u73b0\u8c61\u6709\u4e86\u4ea4\u96c6\uff0c\u4e00\u5b9a\u4e0d\u8981\u72b9\u8c6b\u3001\u4e0d\u8981\u61d2\u60f0\uff0c\u8981\u52aa\u529b\u6293\u7740\u5b83\uff0c\u8fd9\u662f\u8ba9\u4f60\u6446\u8131\u4e2d\u8f74\u7ebf\u7684\u552f\u4e00\u673a\u4f1a\u3002<\/p>\n<p>2019\u5e74\u7b2c\u4e00\u6b21\u542cJJ\u4ecb\u7ecd\u5927\u6a21\u578b\u7684\u65f6\u5019\uff0c\u9664\u4e86\u60ca\u5947\u5916\uff0c\u6ca1\u6709\u591a\u5c11\u60f3\u6cd5\uff0c\u6bd5\u7adf\u6240\u9700\u8981\u7684\u50a8\u5907\u77e5\u8bc6\u8fd1\u4e4e\u4e8e\u65e0\uff0c\u800c\u4e14\u6ca1\u6709\u4efb\u4f55\u5e94\u7528\u573a\u666f\u3002\u867d\u7136\u968f\u540e\u7684\u51e0\u5e74\uff0c\u81ea\u5df1\u9690\u9690\u7ea6\u7ea6\u89c9\u5f97\uff0cAI\u6280\u672f\u662f\u771f\u6b63\u7684\u5de5\u5177\uff0c\u4f7f\u7528\u8fd9\u4e2a\u5de5\u5177\uff0c\u6211\u53ef\u4ee5\u66f4\u597d\u7684\u8ba4\u8bc6\u4e16\u754c\u3001\u8ba4\u8bc6\u81ea\u5df1\uff0c\u5c31\u50cf\u5c0f\u65f6\u5019\u5229\u7528\u811a\u8e7c\u8fdb\u884c\u81ea\u7531\u6cf3\u7684\u7ec3\u4e60\u4e00\u6837\u3002<\/p>\n<p>\u4e2d\u95f4\u51e0\u5e74\u65e0\u975e\u75ab\u60c5\u3001\u5404\u79cd\u65e0\u5173\u7d27\u8981\u7684\u653f\u5e9c\u9879\u76ee\uff0cJJ\u4e5f\u79bb\u804c\u53bb\u5f00\u521b\u81ea\u5df1\u7684\u4e8b\u4e1a\uff0c\u867d\u7136\u77ed\u77ed1\u5e74\u591a\uff0c\u6211\u4ece\u4ed6\u8fd9\u91cc\u6ca1\u6709\u5b66\u4e60\u5230\u4efb\u4f55\u6838\u5fc3\u6280\u672f\uff0c\u4f46\u662f\u8fd9\u79cd\u4eba\u4e0e\u4eba\u7684\u5dee\u8ddd\uff0c\u6df1\u6df1\u5f71\u54cd\u4e86\u6211\u5bf9\u9ad8\u65af\u5206\u5e03\u7684\u770b\u6cd5\u3002<\/p>\n<p>\u7ec8\u4e8e\uff0cchatGPT\u6765\u4e86\uff0c\u6211\u68a6\u5bd0\u4ee5\u6c42\u7684\u5de5\u5177\uff0c\u7adf\u7136\u4ee5\u8fd9\u4e48\u620f\u5267\u5316\u7684\u65b9\u5f0f\u5c06\u4e34\u8eab\u8fb9\u3002<\/p>\n<h2><a id=\"%E4%B8%80%E4%B8%AA%E4%BE%8B%E5%AD%90\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4e00\u4e2a\u4f8b\u5b50<\/h2>\n<p><img decoding=\"async\" src=\"http:\/\/madapapa.com\/wordpress\/wp-content\/uploads\/2023\/03\/16793687630084.jpg\" alt=\"\" \/><br \/>\n\u8bed\u53e5\u5b57\u7b26\u4e32S\uff0c\u5c31\u662f\u4e00\u4e2a\u53e5\u5b50\uff0c\u5b83\u7684\u6982\u7387\u5206\u5e03\uff0c\u53ef\u4ee5\u662f\u6bcf\u4e2a\u5355\u8bcd\u5728\u8fd9\u53e5\u8bdd\u4e2d\u51fa\u73b0\u7684\u6982\u7387\u3002<\/p>\n<pre><code class=\"language-plain_text\">\ud835\udc5d(\ud835\udc46) = \ud835\udc5d(\ud835\udc641) \ud835\udc5d(\ud835\udc642|\ud835\udc641) \ud835\udc5d(\ud835\udc643|\ud835\udc641\ud835\udc642) \u00b7\u00b7\u00b7 \ud835\udc5d(\ud835\udc641|\ud835\udc641\ud835\udc642 \u00b7\u00b7\u00b7 \ud835\udc64n)\n<\/code><\/pre>\n<p>\u516c\u5f0f\u7684\u7b2c\u4e00\u884c\uff0c\u662f\u5c06\u53e5\u5b50\u7684\u6982\u7387\u5206\u89e3\u4e3a\u6bcf\u4e2a\u5355\u8bcd\u7684\u6761\u4ef6\u6982\u7387\u76f8\u4e58\u7684\u5f62\u5f0f\uff0c \u4f8b\u5982\uff0cp(w2|w1)\u8868\u793a\u7ed9\u5b9aw1\u51fa\u73b0\u540e\uff0cw2\u51fa\u73b0\u7684\u6982\u7387\u3002\u6309\u7167\u8fd9\u6837\u7684\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u6574\u4e2a\u53e5\u5b50\u7684\u6982\u7387\u5206\u5e03\u3002<\/p>\n<p>\u603b\u4f53\u6765\u8bf4\uff0c\u8fd9\u4e2a\u516c\u5f0f\u5c55\u793a\u4e86\u8bed\u8a00\u6a21\u578b\u5982\u4f55\u57fa\u4e8e\u5148\u524d\u7684\u5355\u8bcd\u6216\u6587\u672c\u5e8f\u5217\uff0c\u8ba1\u7b97\u51fa\u4e0b\u4e00\u4e2a\u5355\u8bcd\u51fa\u73b0\u7684\u6982\u7387\uff0c\u5e76\u8fdb\u800c\u8ba1\u7b97\u6574\u4e2a\u53e5\u5b50\u7684\u6982\u7387\u5206\u5e03\u3002<\/p>\n<h3><a id=\"%E8%AE%A1%E7%AE%97%E4%B8%80%E4%B8%AA%E5%AD%97%E7%AC%A6%E4%B8%B2%E4%B8%AD%E6%AF%8F%E4%B8%AA%E5%8D%95%E8%AF%8D%E7%9A%84%E5%87%BA%E7%8E%B0%E6%A6%82%E7%8E%87%E5%8F%AF%E4%BB%A5%E9%80%9A%E8%BF%87%E4%BB%A5%E4%B8%8B%E6%AD%A5%E9%AA%A4%E5%AE%9E%E7%8E%B0%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u8ba1\u7b97\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5355\u8bcd\u7684\u51fa\u73b0\u6982\u7387\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\uff1a<\/h3>\n<ol>\n<li>\u5c06\u5b57\u7b26\u4e32S\u5206\u5272\u6210\u5355\u8bcd\u5e8f\u5217w1,w2,w3,\u2026wi\u3002<\/li>\n<li>\u7edf\u8ba1\u6bcf\u4e2a\u5355\u8bcdwi\u5728\u5b57\u7b26\u4e32S\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\u3002<\/li>\n<li>\u8ba1\u7b97\u6bcf\u4e2a\u5355\u8bcdwi\u5728\u5b57\u7b26\u4e32S\u4e2d\u51fa\u73b0\u7684\u6982\u7387\uff0c\u5373wi\u51fa\u73b0\u7684\u6b21\u6570\u9664\u4ee5\u5b57\u7b26\u4e32S\u7684\u603b\u957f\u5ea6\u3002<br \/>\n\u4f8b\u5982\uff0c\u5bf9\u4e8e\u5b57\u7b26\u4e32S=\u201cI love to eat pizza\u201d\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u5206\u5272\u6210\u5355\u8bcd\u5e8f\u5217[\u201cI\u201d, \u201clove\u201d, \u201cto\u201d, \u201ceat\u201d, \u201cpizza\u201d]\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u7edf\u8ba1\u6bcf\u4e2a\u5355\u8bcd\u5728\u5b57\u7b26\u4e32S\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\n<p>&quot;I&quot;\u51fa\u73b0\u4e861\u6b21<\/p>\n<\/li>\n<li>\n<p>&quot;love&quot;\u51fa\u73b0\u4e861\u6b21<\/p>\n<\/li>\n<li>\n<p>&quot;to&quot;\u51fa\u73b0\u4e861\u6b21<\/p>\n<\/li>\n<li>\n<p>&quot;eat&quot;\u51fa\u73b0\u4e861\u6b21<\/p>\n<\/li>\n<li>\n<p>&quot;pizza&quot;\u51fa\u73b0\u4e861\u6b21<br \/>\n\u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u6bcf\u4e2a\u5355\u8bcd\u5728\u5b57\u7b26\u4e32S\u4e2d\u51fa\u73b0\u7684\u6982\u7387\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/li>\n<li>\n<p>P(\u201cI\u201d) = 1\/5 = 0.2<\/p>\n<\/li>\n<li>\n<p>P(\u201clove\u201d) = 1\/5 = 0.2<\/p>\n<\/li>\n<li>\n<p>P(\u201cto\u201d) = 1\/5 = 0.2<\/p>\n<\/li>\n<li>\n<p>P(\u201ceat\u201d) = 1\/5 = 0.2<\/p>\n<\/li>\n<li>\n<p>P(\u201cpizza\u201d) = 1\/5 = 0.2<br \/>\n\u8fd9\u4e2a\u6982\u7387\u5206\u5e03\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u81ea\u7136\u8bed\u8a00\u5904\u7406\u4efb\u52a1\uff0c\u4f8b\u5982\u8bed\u8a00\u6a21\u578b\u3001\u673a\u5668\u7ffb\u8bd1\u548c\u6587\u672c\u5206\u7c7b\u7b49\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5927\u6a21\u578b\u8bad\u7ec3\u65f6\uff0c\u9762\u5bf9\u6d77\u91cf\u6570\u636e\uff0c\u6ca1\u6cd5\u627f\u62c5\u9ad8\u6602\u7684\u6807\u6ce8\u6210\u672c\uff0c\u5f80\u5f80\u4f1a\u91c7\u7528\u81ea\u76d1\u7763\u5b66\u4e60\u7684\u65b9\u5f0f\u3002<\/p>\n<pre><code class=\"language-plain_text\">\u81ea\u76d1\u7763\u5b66\u4e60\u662f\u4e00\u79cd\u65e0\u76d1\u7763\u5b66\u4e60\u7684\u65b9\u6cd5\uff0c\u5b83\u901a\u8fc7\u5229\u7528\u6570\u636e\u7684\u67d0\u4e9b\u5c5e\u6027\u6765\u8bbe\u7f6e\u4f2a\u76d1\u7763\u4efb\u52a1\u6765\u66ff\u6362\u6807\u51c6\u76d1\u7763\u4efb\u52a1\uff0c\u4ece\u800c\u4f7f\u6a21\u578b\u80fd\u591f\u4ece\u5927\u91cf\u672a\u6807\u8bb0\u7684\u6570\u636e\u4e2d\u8fdb\u884c\u8bad\u7ec3\u3002\n\u81ea\u76d1\u7763\u5b66\u4e60\u7684\u76ee\u6807\u662f\u5b66\u4e60\u5230\u6570\u636e\u7684\u6709\u7528\u8868\u793a\uff0c\u8fd9\u4e9b\u8868\u793a\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u4efb\u52a1\uff0c\u4f8b\u5982\u5206\u7c7b\u3001\u68c0\u6d4b\u3001\u5206\u5272\u548c\u751f\u6210\u7b49\u3002\n\u81ea\u76d1\u7763\u5b66\u4e60\u7684\u4e00\u4e2a\u4f8b\u5b50\u662f\u5bf9\u4e8e\u201c\u635f\u5931\u51fd\u6570\u4e2d\u4f7f\u7528\u5230\u7684\u76d1\u7763\u4fe1\u606f\u65e0\u9700\u4eba\u5de5\u6807\u6ce8\u201d\u7684\u8bad\u7ec3\u8303\u5f0f\u7684\u4e00\u79cd\u7edf\u79f0\uff0c\u81ea\u76d1\u7763\u5b66\u4e60\u53ef\u4ee5\u7528\u5728\u9884\u8bad\u7ec3\u4e0a\uff0c\u4e5f\u53ef\u4ee5\u7528\u5728\u5b9e\u9645\u4efb\u52a1\u672c\u8eab\u7684\u8bad\u7ec3\u4e0a\uff0c\u5f53\u7136\u76ee\u524d\u770b\u6765\u8fd8\u662f\u7528\u5728\u9884\u8bad\u7ec3\u4e0a\u7684\u60c5\u51b5\u663e\u8457\u66f4\u591a.\n<\/code><\/pre>\n<h2><a id=\"%E5%9F%BA%E7%A1%80%E6%A6%82%E5%BF%B5\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u57fa\u7840\u6982\u5ff5<\/h2>\n<h3><a id=\"%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0transfer-learning%E4%BD%BF%E5%9F%BA%E7%A1%80%E6%A8%A1%E5%9E%8B%E6%88%90%E4%B8%BA%E5%8F%AF%E8%83%BD\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u8fc1\u79fb\u5b66\u4e60(Transfer Learning)\u4f7f\u57fa\u7840\u6a21\u578b\u6210\u4e3a\u53ef\u80fd<\/h3>\n<ul>\n<li>\u6280\u672f\u5c42\u9762\u4e0a\uff0c\u57fa\u7840\u6a21\u578b\u901a\u8fc7\u8f6c\u79fb\u5b66\u4e60(Transfer Learning)(Thrun 1998)\u548c\u89c4\u6a21(scale)\u5f97\u4ee5\u5b9e\u73b0\u3002\u8fc1\u79fb\u5b66\u4e60\u7684\u601d\u60f3\u662f\u5c06\u4ece\u4e00\u9879\u4efb\u52a1\u4e2d\u5b66\u4e60\u5230\u7684\u201c\u77e5\u8bc6\u201d(\u4f8b\u5982\uff0c\u56fe\u50cf\u4e2d\u7684\u5bf9\u8c61\u8bc6\u522b)\u5e94\u7528\u4e8e\u53e6\u4e00\u9879\u4efb\u52a1(\u4f8b\u5982\uff0c\u89c6\u9891\u4e2d\u7684\u6d3b\u52a8\u8bc6\u522b)\u3002<\/li>\n<li>\u5728\u6df1\u5ea6\u5b66\u4e60\u4e2d\uff0c\u9884\u8bad\u7ec3\u53c8\u662f\u8fc1\u79fb\u5b66\u4e60\u7684\u4e3b\u8981\u65b9\u6cd5:\u5728\u66ff\u4ee3\u4efb\u52a1\u4e0a\u8bad\u7ec3\u6a21\u578b(\u901a\u5e38\u53ea\u662f\u8fbe\u5230\u76ee\u7684\u7684\u4e00\u79cd\u624b\u6bb5)\uff0c\u7136\u540e\u901a\u8fc7\u5fae\u8c03\u6765\u9002\u5e94\u611f\u5174\u8da3\u7684\u4e0b\u6e38\u4efb\u52a1\u3002\u8f6c\u79fb\u5b66\u4e60(Transfer Learning)\u4f7f\u57fa\u7840\u6a21\u578b\u6210\u4e3a\u53ef\u80fd\u3002<\/li>\n<\/ul>\n<h3><a id=\"%E5%A4%A7%E8%A7%84%E6%A8%A1%E5%8C%96scale%E4%BD%BF%E5%9F%BA%E7%A1%80%E6%A8%A1%E5%9E%8B%E6%9B%B4%E5%BC%BA%E5%A4%A7%EF%BC%8C%E5%9B%A0%E8%80%8C-gpt%E6%A8%A1%E5%9E%8B%E5%BE%97%E4%BB%A5%E5%BD%A2%E6%88%90\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u5927\u89c4\u6a21\u5316(scale)\u4f7f\u57fa\u7840\u6a21\u578b\u66f4\u5f3a\u5927\uff0c\u56e0\u800cGPT\u6a21\u578b\u5f97\u4ee5\u5f62\u6210<\/h3>\n<ul>\n<li>\u5927\u89c4\u6a21\u9700\u8981\u4e09\u4e2a\u8981\u7d20:\n<ul>\n<li>(i)\u8ba1\u7b97\u673a\u786c\u4ef6\u7684\u6539\u8fdb\u2014\u2014\u4f8b\u5982\uff0cGPU\u541e\u5410\u91cf\u548c\u5185\u5b58\u5728\u8fc7\u53bb\u56db\u5e74\u4e2d\u589e\u52a0\u4e8610\u500d;<\/li>\n<li>(ii)Transformer\u6a21\u578b\u67b6\u6784\u7684\u5f00\u53d1( Vaswani et al. 2017 )\uff0c\u8be5\u67b6\u6784\u5229\u7528\u786c\u4ef6\u7684\u5e76\u884c\u6027\u6765\u8bad\u7ec3\u6bd4\u4ee5\u524d\u66f4\u5177\u8868\u73b0\u529b\u7684\u6a21\u578b;<\/li>\n<li>\u4ee5\u53ca(iii)\u66f4\u591a\u8bad\u7ec3\u6570\u636e\u7684\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u57fa\u4e8eTransformer\u7684\u5e8f\u5217\u5efa\u6a21\u65b9\u6cd5\u73b0\u5728\u5e94\u7528\u4e8e\u6587\u672c\u3001\u56fe\u50cf\u3001\u8bed\u97f3\u3001\u8868\u683c\u6570\u636e\u3001\u86cb\u767d\u8d28\u5e8f\u5217\u3001\u6709\u673a\u5206\u5b50\u548c\u5f3a\u5316\u5b66\u4e60\u7b49\uff0c\u8fd9\u4e9b\u4f8b\u5b50\u7684\u9010\u6b65\u5f62\u6210\u4f7f\u5f97\u4f7f\u7528\u4e00\u5957\u7edf\u4e00\u7684\u5de5\u5177\u6765\u5f00\u53d1\u5404\u79cd\u6a21\u6001\u7684\u57fa\u7840\u6a21\u578b\u8fd9\u79cd\u7406\u5ff5\u5f97\u4ee5\u6210\u719f\u3002\u4f8b\u5982\uff0cGPT-3( Brown et al. 2020 )\u4e0eGPT-2\u768415\u4ebf\u53c2\u6570\u76f8\u6bd4\uff0c GPT-3\u5177\u67091750\u4ebf\u4e2a\u53c2\u6570\uff0c\u5141\u8bb8\u4e0a\u4e0b\u6587\u5b66\u4e60\uff0c\u5728\u4e0a\u4e0b\u6587\u5b66\u4e60\u4e2d\uff0c\u53ea\u9700\u5411\u4e0b\u6e38\u4efb\u52a1\u63d0\u4f9b\u63d0\u793a(\u4efb\u52a1\u7684\u81ea\u7136\u8bed\u8a00\u63cf\u8ff0)\uff0c\u8bed\u8a00\u6a21\u578b\u5c31\u53ef\u4ee5\u9002\u5e94\u4e0b\u6e38\u4efb\u52a1\uff0c\u8fd9\u662f\u4ea7\u751f\u7684\u4e00\u79cd\u65b0\u5174\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<h3><a id=\"transformer%E5%A5%A0%E5%AE%9A%E4%BA%86%E7%94%9F%E6%88%90%E5%BC%8Fai%E9%A2%86%E5%9F%9F%E7%9A%84%E6%B8%B8%E6%88%8F%E8%A7%84%E5%88%99\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>Transformer\u5960\u5b9a\u4e86\u751f\u6210\u5f0fAI\u9886\u57df\u7684\u6e38\u620f\u89c4\u5219<\/h3>\n<pre><code class=\"language-plain_text\">Transformer\u6446\u8131\u4e86\u4eba\u5de5\u6807\u6ce8\u6570\u636e\u96c6\u7684\u7f3a\u9677\uff0c\u6a21\u578b\u5728\u8d28\u91cf\u4e0a\u66f4\u4f18\u3001 \u66f4\u6613\u4e8e\u5e76\u884c\u5316\uff0c\u6240\u9700\u8bad\u7ec3\u65f6\u95f4\u660e\u663e\u66f4\u5c11\uff0c\nTransformer\u901a\u8fc7\u6210\u529f\u5730\u5c06\u5176\u5e94\u7528\u4e8e\u5177\u6709\u5927\u91cf\u548c\u6709\u9650\u8bad\u7ec3\u6570\u636e\u7684\u5206\u6790\uff0c\u53ef\u4ee5\u5f88\u597d\u5730\u63a8\u5e7f\u5230\u5176\u4ed6\u4efb\u52a1\u3002\n<\/code><\/pre>\n<ul>\n<li>2017\u5e74\uff0c\u5728Ashish Vaswani et.al \u7684\u8bba\u6587\u300aAttention Is All You Need\u300b \u4e2d\uff0c\u8003\u8651\u5230\u4e3b\u5bfc\u5e8f\u5217\u8f6c\u5bfc\u6a21\u578b\u57fa\u4e8e\u7f16\u7801\u5668-\u89e3\u7801\u5668\u914d\u7f6e\u4e2d\u7684\u590d\u6742\u9012\u5f52\u6216\u5377\u79ef \u795e\u7ecf\u7f51\u7edc\uff0c\u6027\u80fd\u6700\u597d\u7684\u6a21\u578b\u88ab\u8bc1\u660e\u8fd8\u662f\u901a\u8fc7\u6ce8\u610f\u529b\u673a\u5236(attention mechanism)\u8fde\u63a5\u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\uff0c\u56e0\u800c\u300aAttention Is All You Need\u300b \u4e2d\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u7684\u7b80\u5355\u67b6\u6784\u2014\u2014Transformer\uff0c\u5b83\u5b8c\u5168\u57fa\u4e8e\u6ce8\u610f\u529b\u673a\u5236\uff0c \u5b8c\u5168\u4e0d\u7528\u91cd\u590d\u548c\u5377\u79ef\uff0c\u56e0\u800c\u8fd9\u4e9b\u6a21\u578b\u5728\u8d28\u91cf\u4e0a\u66f4\u4f18\uff0c\u540c\u65f6\u66f4\u6613\u4e8e\u5e76\u884c\u5316\uff0c\u5e76 \u4e14\u9700\u8981\u7684\u8bad\u7ec3\u65f6\u95f4\u660e\u663e\u66f4\u5c11\u3002<\/li>\n<li>Transformer\u51fa\u73b0\u4ee5\u540e\uff0c\u8fc5\u901f\u53d6\u4ee3\u4e86RNN\u7cfb\u5217\u53d8\u79cd\uff0c\u8dfb\u8eab\u4e3b\u6d41\u6a21\u578b\u67b6\u6784\u57fa \u7840\u3002(RNN\u7f3a\u9677\u6b63\u5728\u4e8e\u6d41\u6c34\u7ebf\u5f0f\u7684\u987a\u5e8f\u8ba1\u7b97)<\/li>\n<\/ul>\n<p>Transformer\u6a21\u578b\u67b6\u6784\u5982\u4e0b\u56fe<br \/>\n<img decoding=\"async\" src=\"http:\/\/madapapa.com\/wordpress\/wp-content\/uploads\/2023\/03\/16793713211222.jpg\" alt=\"\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u8ff7\u4e0a\u4e86chatGPT\uff0c\u9010\u6e10\u5f97\u51fa\u4e00\u4e2a\u7ed3\u8bba\uff0c\u4f60\u4f7f\u7528chatGPT\u7684\u6548\u679c\uff0c\u5176\u5b9e\u5c31\u662f\u4f60\u548c\u8fd9\u4e2a\u6570\u5b57\u4e16\u754c\u7684\u8fb9\u754c\uff0c\u6216\u8005\u4f60\u548c\u8fd9\u4e2a\u6570\u5b57\u4e16\u754c\u7684\u719f\u6089\u7a0b\u5ea6\u3002 \u4f8b\u5982 \u4f60\u53ea\u4f7f\u7528\u81ea\u7136\u8bed\u8a00\uff0c\u90a3\u4e48\u5c31\u65e0\u6cd5\u4eab\u53d7\u7528\u673a\u5668\u8bed\u8a00\u548cgpt\u804a\u5929\u7684\u4e50\u8da3\uff1b \u5c40\u9650\u5728\u4e2d\u6587\u4e16\u754c\uff0cchatgpt\u7684\u8f93\u51fa\u8303\u56f4\uff0c\u5c31\u8981\u6709\u9650\u5f88\u591a\uff0c\u800c\u4e14\u4f1a\u4e0d\u81ea\u89c9\u5e26\u4e0a\u7b80\u4e2d\u4e16\u754c\u7684\u7279\u8272\uff0c\u8ba9\u4f60\u89c9\u5f97\u5728AI\u7684\u591a\u91cd\u5b87\u5b99\u4e2d\uff0c\u65e0\u6cd5\u81ea\u62d4\uff1b \u6211\u8d8a\u6765\u8d8a\u76f8\u4fe1\u9ad8\u65af\u5206\u5e03\uff0c\u8fd9\u4e2a\u4e16\u754c\u867d\u7136\u5f88\u5927\uff0c\u949f\u578b\u66f2\u7ebf\u5305\u88f9\u4e0b\u7684\u82b8\u82b8\u4f17\u751f\uff0c\u5dee\u5f02\u5176\u5b9e\u5f88\u5c0f\u3002\u800c\u4e00\u65e6\u4f60\u53d1\u73b0\u81ea\u5df1\u548c\u957f\u5c3e\u96c6\u5408\u4e2d\u7684\u67d0\u4e2a\u73b0\u8c61\u6709\u4e86\u4ea4\u96c6\uff0c\u4e00\u5b9a\u4e0d\u8981\u72b9\u8c6b\u3001\u4e0d\u8981\u61d2\u60f0\uff0c\u8981\u52aa\u529b\u6293\u7740\u5b83\uff0c\u8fd9\u662f\u8ba9\u4f60\u6446\u8131\u4e2d\u8f74\u7ebf\u7684\u552f\u4e00\u673a\u4f1a\u3002 2019\u5e74\u7b2c\u4e00\u6b21\u542cJJ\u4ecb\u7ecd\u5927\u6a21\u578b\u7684\u65f6\u5019\uff0c\u9664\u4e86\u60ca\u5947\u5916\uff0c\u6ca1\u6709\u591a\u5c11\u60f3\u6cd5\uff0c\u6bd5\u7adf\u6240\u9700\u8981\u7684\u50a8\u5907\u77e5\u8bc6\u8fd1\u4e4e\u4e8e\u65e0\uff0c\u800c\u4e14\u6ca1\u6709\u4efb\u4f55\u5e94\u7528\u573a\u666f\u3002\u867d\u7136\u968f\u540e\u7684\u51e0\u5e74\uff0c\u81ea\u5df1\u9690\u9690\u7ea6\u7ea6\u89c9\u5f97\uff0cAI\u6280\u672f\u662f\u771f\u6b63\u7684\u5de5\u5177\uff0c\u4f7f\u7528\u8fd9\u4e2a\u5de5\u5177\uff0c\u6211\u53ef\u4ee5\u66f4\u597d\u7684\u8ba4\u8bc6\u4e16\u754c\u3001\u8ba4\u8bc6\u81ea\u5df1\uff0c\u5c31\u50cf\u5c0f\u65f6\u5019\u5229\u7528\u811a\u8e7c\u8fdb\u884c\u81ea\u7531\u6cf3\u7684\u7ec3\u4e60\u4e00\u6837\u3002 \u4e2d\u95f4\u51e0\u5e74\u65e0\u975e\u75ab\u60c5\u3001\u5404\u79cd\u65e0\u5173\u7d27\u8981\u7684\u653f\u5e9c\u9879\u76ee\uff0cJJ\u4e5f\u79bb\u804c\u53bb\u5f00\u521b\u81ea\u5df1\u7684\u4e8b\u4e1a\uff0c\u867d\u7136\u77ed\u77ed1\u5e74\u591a\uff0c\u6211\u4ece\u4ed6\u8fd9\u91cc\u6ca1\u6709\u5b66\u4e60\u5230\u4efb\u4f55\u6838\u5fc3\u6280\u672f\uff0c\u4f46\u662f\u8fd9\u79cd\u4eba\u4e0e\u4eba\u7684\u5dee\u8ddd\uff0c\u6df1\u6df1\u5f71\u54cd\u4e86\u6211\u5bf9\u9ad8\u65af\u5206\u5e03\u7684\u770b\u6cd5\u3002 \u7ec8\u4e8e\uff0cchatGPT\u6765\u4e86\uff0c\u6211\u68a6\u5bd0\u4ee5\u6c42\u7684\u5de5\u5177\uff0c\u7adf\u7136\u4ee5\u8fd9\u4e48\u620f\u5267\u5316\u7684\u65b9\u5f0f\u5c06\u4e34\u8eab\u8fb9\u3002 \u4e00\u4e2a\u4f8b\u5b50 \u8bed\u53e5\u5b57\u7b26\u4e32S\uff0c\u5c31\u662f\u4e00\u4e2a\u53e5\u5b50\uff0c\u5b83\u7684\u6982\u7387\u5206\u5e03\uff0c\u53ef\u4ee5\u662f\u6bcf\u4e2a\u5355\u8bcd\u5728\u8fd9\u53e5\u8bdd\u4e2d\u51fa\u73b0\u7684\u6982\u7387\u3002 \ud835\udc5d(\ud835\udc46) = \ud835\udc5d(\ud835\udc641) \ud835\udc5d(\ud835\udc642|\ud835\udc641) \ud835\udc5d(\ud835\udc643|\ud835\udc641\ud835\udc642) \u00b7\u00b7\u00b7 \ud835\udc5d(\ud835\udc641|\ud835\udc641\ud835\udc642 \u00b7\u00b7\u00b7 \ud835\udc64n) \u516c\u5f0f\u7684\u7b2c\u4e00\u884c\uff0c\u662f\u5c06\u53e5\u5b50\u7684\u6982\u7387\u5206\u89e3\u4e3a\u6bcf\u4e2a\u5355\u8bcd\u7684\u6761\u4ef6\u6982\u7387\u76f8\u4e58\u7684\u5f62\u5f0f\uff0c \u4f8b\u5982\uff0cp(w2|w1)\u8868\u793a\u7ed9\u5b9aw1\u51fa\u73b0\u540e\uff0cw2\u51fa\u73b0\u7684\u6982\u7387\u3002\u6309\u7167\u8fd9\u6837\u7684\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u6574\u4e2a\u53e5\u5b50\u7684\u6982\u7387\u5206\u5e03\u3002 \u603b\u4f53\u6765\u8bf4\uff0c\u8fd9\u4e2a\u516c\u5f0f\u5c55\u793a\u4e86\u8bed\u8a00\u6a21\u578b\u5982\u4f55\u57fa\u4e8e\u5148\u524d\u7684\u5355\u8bcd\u6216\u6587\u672c\u5e8f\u5217\uff0c\u8ba1\u7b97\u51fa\u4e0b\u4e00\u4e2a\u5355\u8bcd\u51fa\u73b0\u7684\u6982\u7387\uff0c\u5e76\u8fdb\u800c\u8ba1\u7b97\u6574\u4e2a\u53e5\u5b50\u7684\u6982\u7387\u5206\u5e03\u3002 \u8ba1\u7b97\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5355\u8bcd\u7684\u51fa\u73b0\u6982\u7387\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\uff1a \u5c06\u5b57\u7b26\u4e32S\u5206\u5272\u6210\u5355\u8bcd\u5e8f\u5217w1,w2,w3,\u2026wi\u3002 \u7edf\u8ba1\u6bcf\u4e2a\u5355\u8bcdwi\u5728\u5b57\u7b26\u4e32S\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\u3002 \u8ba1\u7b97\u6bcf\u4e2a\u5355\u8bcdwi\u5728\u5b57\u7b26\u4e32S\u4e2d\u51fa\u73b0\u7684\u6982\u7387\uff0c\u5373wi\u51fa\u73b0\u7684\u6b21\u6570\u9664\u4ee5\u5b57\u7b26\u4e32S\u7684\u603b\u957f\u5ea6\u3002 \u4f8b\u5982\uff0c\u5bf9\u4e8e\u5b57\u7b26\u4e32S=\u201cI love to eat pizza\u201d\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u5206\u5272\u6210\u5355\u8bcd\u5e8f\u5217[\u201cI\u201d, \u201clove\u201d, \u201cto\u201d, \u201ceat\u201d, \u201cpizza\u201d]\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u7edf\u8ba1\u6bcf\u4e2a\u5355\u8bcd\u5728\u5b57\u7b26\u4e32S\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a &quot;I&quot;\u51fa\u73b0\u4e861\u6b21 &quot;love&quot;\u51fa\u73b0\u4e861\u6b21 &quot;to&quot;\u51fa\u73b0\u4e861\u6b21 &quot;eat&quot;\u51fa\u73b0\u4e861\u6b21 &quot;pizza&quot;\u51fa\u73b0\u4e861\u6b21 \u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u6bcf\u4e2a\u5355\u8bcd\u5728\u5b57\u7b26\u4e32S\u4e2d\u51fa\u73b0\u7684\u6982\u7387\uff0c\u5982\u4e0b\u6240\u793a\uff1a P(\u201cI\u201d) = 1\/5 = 0.2 P(\u201clove\u201d) = 1\/5 = 0.2 P(\u201cto\u201d) = 1\/5 = &hellip; <a href=\"http:\/\/madapapa.com\/wordpress\/?p=459\" class=\"more-link\">Continue reading <span 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