{"id":4103,"date":"2023-10-04T08:58:26","date_gmt":"2023-10-04T00:58:26","guid":{"rendered":""},"modified":"2023-10-04T08:58:26","modified_gmt":"2023-10-04T00:58:26","slug":"","status":"publish","type":"post","link":"http:\/\/www.idea2003.com\/dongtai\/4103.html","title":{"rendered":"\u4ee53D\u89c6\u89d2\u6d1e\u6089\u77e9\u9635\u4e58\u6cd5\uff0c\u8fd9\u5c31\u662fAI\u601d\u8003\u7684\u6837\u5b50"},"content":{"rendered":"<blockquote>\n<p>\u58f0\u660e:\u672c\u6587\u6765\u81ea\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7 \u673a\u5668\u4e4b\u5fc3\uff08ID:almosthuman2014\uff09\uff0c\u4f5c\u8005:\u673a\u5668\u4e4b\u5fc3\uff0c\u6388\u6743\u5fae\u65b0\u521b\u60f3\u8f6c\u8f7d\u53d1\u5e03\u3002<\/p>\n<\/blockquote>\n<p>\u5982\u679c\u80fd\u4ee5<span>3D<\/span> 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class=\"spamTxt\">\u6700\u597d<\/span>\u3002\u8fd9\u662f\u540e\u9762\u4f1a\u63d0\u5230\u7684 LoRA:<\/p>\n<p><strong>3\u70ed\u8eab:\u8868\u8fbe\u5f0f<\/strong><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u600e\u6837\u7684\u65b9\u5f0f\u5c06\u8fd9\u79cd\u53ef\u89c6\u5316\u65b9\u6cd5\u6269\u5c55\u7528\u4e8e\u77e9\u9635\u4e58\u6cd5\u7684\u5206\u89e3?\u4e4b\u524d\u7684\u793a\u4f8b\u53ef\u89c6\u5316\u7684\u662f\u77e9\u9635 L \u548c R \u7684\u5355\u6b21\u77e9\u9635\u4e58\u6cd5 L @ R\uff0c\u4f46\u8981\u662f L \u548c \/ \u6216 R 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\u7684\u5bbd\u5ea6\u65f6\uff0c\u5bf9 A @ B @ C \u7684\u53ef\u89c6\u5316\u5219\u4f1a\u6709\u4e00\u4e2a\u74f6\u9888\uff0c\u7c7b\u4f3c\u81ea\u52a8\u7f16\u7801\u5668\u7684\u5f62\u72b6\u3002<\/p>\n<p style=\"text-align:center\">\n<p>\u4ea4\u66ff\u7684\u51f9\u51f8\u6a21\u5757\u7684\u6a21\u5f0f\u8fd8\u53ef\u4ee5\u6269\u5c55\u6210\u4efb\u610f\u957f\u5ea6\u7684\u94fe:\u6bd4\u5982\u8fd9\u4e2a\u591a\u5c42\u74f6\u9888:<\/p>\n<p style=\"text-align:center\">\n<p><strong>3b \u53f3\u7ed3\u5408\u8868\u8fbe\u5f0f<\/strong><\/p>\n<p>\u63a5\u4e0b\u6765\u53ef\u89c6\u5316\u53f3\u7ed3\u5408\u8868\u8fbe\u5f0f A @ \uff08B @ C\uff09\u3002<\/p>\n<p>\u4e0e\u5de6\u7ed3\u5408\u8868\u8fbe\u5f0f\u7684\u6c34\u5e73\u6269\u5c55\u7c7b\u4f3c \u2014\u2014 \u53ef\u4ee5\u8bf4\u662f\u4ece\u6839\u8868\u8fbe\u5f0f\u7684\u5de6\u4fa7\u53c2\u6570\u53d1\u7aef\uff0c\u53f3\u7ed3\u5408\u8868\u8fbe\u5f0f\u94fe\u662f\u4ee5\u5782\u76f4\u65b9\u5f0f\u6269\u5c55\uff0c\u4ece\u6839\u8868\u8fbe\u5f0f\u7684\u53f3\u4fa7\u53c2\u6570\u53d1\u7aef\u3002<\/p>\n<p>\u4eba\u4eec\u6709\u65f6\u5019\u53ef\u4ee5\u770b\u5230\u4e00\u4e2a\u4ee5\u53f3\u7ed3\u5408\u5f62\u5f0f\u5f62\u6210\u7684 MLP\uff0c\u5373\u53f3\u4fa7\u662f\u67f1\u72b6\u8f93\u5165\uff0c\u6743\u91cd\u5c42\u4ece\u53f3\u5230\u5de6\u8fd0\u884c\u3002\u4f7f\u7528\u4e0a\u9762\u63cf\u7ed8\u7684\u4e8c\u5c42 FFN \u793a\u4f8b\u7684\u77e9\u9635\uff08\u9002\u5f53\u8f6c\u7f6e\u540e\uff09\uff0c\u770b\u8d77\u6765\u4f1a\u662f\u8fd9\u6837\uff0cC \u73b0\u5728\u662f\u8f93\u5165\uff0cB \u662f<span class=\"spamTxt\">\u7b2c\u4e00<\/span>\u5c42\uff0cA \u662f\u7b2c\u4e8c\u5c42:<\/p>\n<p style=\"text-align:center\">\n<p>\u53e6\u5916\uff0c\u9664\u4e86\u7bad\u7fbd\u7684\u989c\u8272\uff08\u5de6\u4fa7\u4e3a\u84dd\u8272\uff0c\u53f3\u4fa7\u4e3a\u7ea2\u8272\uff09\uff0c\u533a\u5206\u5de6\u53f3\u53c2\u6570\u7684\u7b2c\u4e8c\u4e2a\u89c6\u89c9\u63d0\u793a\u662f\u5b83\u4eec\u7684\u65b9\u5411:\u5de6\u4fa7\u53c2\u6570\u7684\u884c\u4e0e\u7ed3\u679c\u7684\u884c\u5171\u9762 \u2014\u2014 \u5b83\u4eec\u6cbf\u540c\u4e00\u6839\u8f74 (i) \u5806\u53e0\u3002\u6bd4\u5982\u4e0a\u9762\u7684 (B @ C)\uff0c\u8fd9\u4e24\u4e2a\u63d0\u793a\u90fd\u80fd\u544a\u8bc9\u6211\u4eec B \u662f\u5de6\u4fa7\u53c2\u6570\u3002<\/p>\n<p><strong>3c 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\u5206\u533a\uff0c\u5bf9\u521d\u59cb\u5de6\u4fa7\u53c2\u6570\uff08\u300c\u6279\u300d\uff09\u548c\u6240\u6709\u4e2d\u95f4\u7ed3\u679c(\u300c\u6fc0\u6d3b\u300d)\u8fdb\u884c\u5206\u6bb5\uff0c\u4f46\u4e0d\u5bf9\u540e\u7eed\u53c2\u6570(\u300c\u6743\u91cd\u300d)\u5206\u6bb5 \u2014\u2014 \u8fd9\u79cd\u51e0\u4f55\u7ed3\u6784\u4f7f\u5f97\u8868\u8fbe\u5f0f\u4e2d\u7684\u54ea\u4e9b\u53c2\u4e0e\u8005\u88ab\u5206\u6bb5\u4ee5\u53ca\u54ea\u4e9b\u4fdd\u6301\u5b8c\u6574\u53d8\u5f97\u663e\u800c\u6613\u89c1:<\/p>\n<p style=\"text-align:center\">\n<p>\u7b2c\u4e8c\u4e2a\u793a\u4f8b\u5982\u679c\u6ca1\u6709\u6e05\u6670\u7684\u51e0\u4f55\u652f\u6301\uff0c\u5c31\u5f88\u96be\u76f4\u89c9\u5730\u7406\u89e3:\u5b83\u5c55\u793a\u4e86\u5982\u4f55\u901a\u8fc7\u6cbf j \u8f74\u5bf9\u5de6\u4fa7\u5b50\u8868\u8fbe\u5f0f\u5206\u533a\u3001\u6cbf i \u8f74\u5bf9\u53f3\u4fa7\u5b50\u8868\u8fbe\u5f0f\u5206\u533a\u4ee5\u53ca\u6cbf k \u8f74\u5bf9\u7236\u8868\u8fbe\u5f0f\u8fdb\u884c\u5206\u533a\u6765\u5e76\u884c\u5316\u4e00\u4e2a\u4e8c\u5143\u8868\u8fbe\u5f0f:<\/p>\n<p style=\"text-align:center\">\n<p><strong>4\u6df1\u5165\u6ce8\u610f\u529b\u5934<\/strong><\/p>\n<p>\u73b0\u5728\u6765\u770b\u770b GPT-2\u7684\u6ce8\u610f\u529b\u5934 \u2014\u2014 \u5177\u4f53\u6765\u8bf4\u662f\u6765\u81ea NanoGPT \u76845\u5c42\u7b2c4\u5934\u7684 \u300cgpt2\u300d\uff08small\uff09 \u914d\u7f6e(\u5c42\u6570 =12\uff0c\u5934\u6570 =12\uff0c\u5d4c\u5165\u6570 =768)\uff0c\u901a\u8fc7 HuggingFace \u4f7f\u7528\u4e86\u6765\u81ea OpenAI \u7684\u6743\u91cd\u3002\u8f93\u5165\u6fc0\u6d3b\u53d6\u81ea\u5728\u542b256\u4e2a token \u7684 OpenWebText \u8bad\u7ec3\u6837\u672c\u4e0a\u4e00\u6b21\u524d\u5411\u901a\u8fc7\u3002<\/p>\n<p>\u8fd9\u4e2a\u7279\u5b9a\u7684\u5934\u5e76\u65e0\u4efb\u4f55\u7279\u6b8a\u4e4b\u5904\uff0c\u9009\u62e9\u5b83\u4e3b\u8981\u662f\u56e0\u4e3a\u5176\u8ba1\u7b97\u7684\u662f\u4e00\u4e2a\u975e\u5e38\u5e38\u89c1\u7684\u6ce8\u610f\u529b\u6a21\u5f0f\uff0c\u5e76\u4e14\u5b83\u4f4d\u4e8e\u6a21\u578b\u4e2d\u90e8\uff0c\u5176\u4e2d\u6fc0\u6d3b\u5df2\u7ecf\u53d8\u5f97\u7ed3\u6784\u5316\u5e76\u663e\u793a\u51fa\u4e00\u4e9b\u6709\u8da3\u7684\u7eb9\u7406\u3002<\/p>\n<p style=\"text-align:center\">\n<p><strong>4a \u7ed3\u6784<\/strong><\/p>\n<p>\u8fd9\u4e2a\u5b8c\u6574\u6ce8\u610f\u529b\u5934\u88ab\u53ef\u89c6\u5316\u6210\u4e86\u5355\u4e2a\u590d\u5408\u8868\u8fbe\u5f0f\uff0c\u5176\u59cb\u4e8e\u8f93\u5165\uff0c\u7ec8\u4e8e\u6295\u5f71\u7684\u8f93\u51fa\u3002\uff08\u6ce8:\u4e3a\u4e86\u4fdd\u8bc1\u81ea\u8db3\u6027\uff0c\u8fd9\u91cc\u6309\u7167 Megatron-LM \u7684\u63cf\u8ff0\u5bf9\u6bcf\u4e2a\u5934\u6267\u884c\u8f93\u51fa\u6295\u5f71\u3002\uff09<\/p>\n<p>\u8fd9\u4e00\u8ba1\u7b97\u5305\u542b\u516d\u6b21\u77e9\u9635\u4e58\u6cd5:<\/p>\n<ul><\/ul>\n<pre>Q=input@wQ\/\/1K_t=wK_t@input_t\/\/2V=input@wV\/\/3attn=sdpa\uff08Q@K_t\uff09\/\/4head_out=attn@V\/\/5out=head_out@wO\/\/6<\/pre>\n<p>\u7b80\u5355\u63cf\u8ff0\u4e00\u4e0b\u8fd9\u91cc\u5728\u505a\u4ec0\u4e48:<\/p>\n<ul>\n<li>\n<p>\u98ce\u8f66\u7684\u53f6\u7247\u4e3a\u77e9\u9635\u4e58\u6cd51\u30012\u30013\u548c6:\u524d\u4e00\u7ec4\u662f\u8f93\u5165\u5230 Q\u3001K \u548c V \u7684\u5185\u6295\u5f71;\u540e\u8005\u662f\u4ece attn @ V \u56de\u5230\u5d4c\u5165\u7ef4\u5ea6\u7684\u5916\u6295\u5f71\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e2d\u5fc3\u6709\u4e24\u4e2a\u77e9\u9635\u4e58\u6cd5;<span class=\"spamTxt\">\u7b2c\u4e00<\/span>\u4e2a\u8ba1\u7b97\u7684\u662f\u6ce8\u610f\u529b\u5206\u6570\uff08\u540e\u9762\u7684\u51f8\u7acb\u65b9\u4f53\uff09\uff0c\u7136\u540e\u4f7f\u7528\u5b83\u4eec\u57fa\u4e8e\u503c\u5411\u91cf\u5f97\u5230\u8f93\u51fa token(\u524d\u9762\u7684\u51f9\u7acb\u65b9\u4f53)\u3002\u56e0\u679c\u5173\u7cfb\u610f\u5473\u7740\u6ce8\u610f\u529b\u5206\u6570\u5f62\u6210\u4e00\u4e2a\u4e0b\u4e09\u89d2\u5f62\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4f46\u8bfb\u8005<span class=\"spamTxt\">\u6700\u597d<\/span>\u80fd\u4eb2\u81ea\u8be6\u7ec6\u63a2\u7d22\u8fd9\u4e2a\u5de5\u5177\uff0c\u800c\u4e0d\u662f\u53ea\u770b\u622a\u56fe\u6216\u4e0b\u9762\u7684\u89c6\u9891\uff0c\u4ee5\u4fbf\u66f4\u8be6\u7ec6\u5730\u7406\u89e3 \u2014\u2014 \u4e0d\u7ba1\u662f\u5176\u7ed3\u6784\u8fd8\u662f\u6d41\u8fc7\u8ba1\u7b97\u8fc7\u7a0b\u7684\u5b9e\u9645\u503c\u3002<\/p>\n<p><strong>4b 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\u77e9\u9635\u79ef\u7684\u878d\u5408\u94fe\u6765\u8ba1\u7b97:\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e00\u9879\u90fd\u5728\u4e00\u6b65\u4e4b\u5185\u4ece\u8f93\u5165\u7a7f\u8fc7\u6ce8\u610f\u529b\u5230\u8f93\u51fa\u3002\u540e\u9762\u5173\u4e8e\u5e76\u884c\u5316\u7684\u90e8\u5206\u4f1a\u63d0\u5230\u66f4\u591a\u6709\u5173\u8fd9\u4e2a\u52a8\u753b\u7684\u9009\u62e9\uff0c\u4f46\u6211\u4eec\u5148\u770b\u770b\u8ba1\u7b97\u7684\u503c\u80fd\u544a\u8bc9\u6211\u4eec\u4ec0\u4e48\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5f88\u591a\u6709\u8da3\u7684\u4e1c\u897f:<\/p>\n<ul>\n<li>\n<p>\u5728\u8ba8\u8bba\u6ce8\u610f\u529b\u8ba1\u7b97\u4e4b\u524d\uff0c\u53ef\u4ee5\u770b\u5230\u4f4e\u79e9 Q \u548c K_t \u7684\u5f62\u6001\u662f\u591a\u4e48\u60ca\u4eba\u3002\u653e\u5927 Q @ K_t \u5411\u91cf &#8211; \u77e9\u9635\u79ef\u52a8\u753b\uff0c\u770b\u8d77\u6765\u4f1a\u66f4\u52a0\u751f\u52a8:Q \u548c K \u4e2d\u5927\u91cf\u901a\u9053\uff08\u5d4c\u5165\u4f4d\u7f6e\uff09\u5728\u5e8f\u5217\u4e2d\u770b\u8d77\u6765\u6216\u591a\u6216\u5c11\u662f\u6052\u5b9a\u7684\uff0c\u8fd9\u610f\u5473\u7740\u6709\u7528\u7684\u6ce8\u610f\u529b\u4fe1\u53f7\u53ef\u80fd\u4ec5\u7531\u4e00\u5c0f\u90e8\u5206\u5d4c\u5165\u9a71\u52a8\u3002\u7406\u89e3\u548c\u5229\u7528\u8fd9\u79cd\u73b0\u8c61\u662f SysML ATOM transformer \u6548\u7387\u9879\u76ee\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e5f\u8bb8\u4eba\u4eec\u6700\u719f\u6089\u7684\u662f\u6ce8\u610f\u529b\u77e9\u9635\u4e2d\u51fa\u73b0\u7684\u5f3a\u5927\u4f46\u4e0d\u5b8c\u7f8e\u7684\u5bf9\u89d2\u7ebf\u3002\u8fd9\u662f\u4e00\u79cd\u5e38\u89c1\u6a21\u5f0f\uff0c\u51fa\u73b0\u5728\u8be5\u6a21\u578b\uff08\u4ee5\u53ca\u8bb8\u591a Transformer\uff09\u7684\u8bb8\u591a\u6ce8\u610f\u529b\u5934\u4e2d\u3002\u5b83\u80fd\u4ea7\u751f\u5c40\u90e8\u6ce8\u610f\u529b:\u7d27\u90bb\u8f93\u51fa token \u4f4d\u7f6e\u4e4b\u524d\u7684\u5c0f\u90bb\u57df\u4e2d\u7684\u503c token \u5f88\u5927\u7a0b\u5ea6\u4e0a\u51b3\u5b9a\u4e86\u8f93\u51fa token \u7684\u5185\u5bb9\u6a21\u5f0f\u3002<\/p>\n<\/li>\n<li>\n<p>\u7136\u800c\uff0c\u8fd9\u4e2a\u90bb\u57df\u7684\u5927\u5c0f\u548c\u5176\u4e2d\u5404\u4e2a token \u7684\u5f71\u54cd\u53d8\u5316\u5f88\u5927 \u2014\u2014 \u8fd9\u53ef\u4ee5\u5728\u6ce8\u610f\u529b\u7f51\u683c\u4e2d\u7684\u975e\u5bf9\u89d2 frost \u4e2d\u770b\u5230\uff0c\u4e5f\u80fd\u5728\u6ce8\u610f\u529b\u77e9\u9635\u6cbf\u5e8f\u5217\u4e0b\u964d\u65f6 attn [i] @ V \u5411\u91cf &#8211; \u77e9\u9635\u79ef\u5e73\u9762\u7684\u6ce2\u52a8\u6a21\u5f0f\u4e2d\u770b\u5230\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f46\u8bf7\u6ce8\u610f\uff0c\u5c40\u90e8\u90bb\u57df\u5e76\u4e0d\u662f<span class=\"spamTxt\">\u552f\u4e00<\/span>\u503c\u5f97\u6ce8\u610f\u7684\u4e1c\u897f:\u6ce8\u610f\u529b\u7f51\u683c\u7684\u6700\u5de6\u5217\uff08\u5bf9\u5e94\u4e8e\u5e8f\u5217\u7684<span class=\"spamTxt\">\u7b2c\u4e00<\/span>\u4e2a token \uff09\u5b8c\u5168\u586b\u5145\u4e86\u975e\u96f6(\u4f46\u6ce2\u52a8)\u7684\u503c\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u4e2a\u8f93\u51fa token \u90fd\u4f1a\u53d7\u5230<span class=\"spamTxt\">\u7b2c\u4e00<\/span>\u4e2a\u503c token \u4e00\u5b9a\u7a0b\u5ea6\u7684\u5f71\u54cd\u3002<\/p>\n<\/li>\n<li>\n<p>\u6b64\u5916\uff0c\u5f53\u524d token \u90bb\u57df\u548c\u521d\u59cb token \u4e4b\u95f4\u7684\u6ce8\u610f\u529b\u5206\u6570\u4e3b\u5bfc\u6027\u5b58\u5728\u4e0d\u7cbe\u786e\u4f46\u53ef\u8fa8\u522b\u7684\u632f\u8361\u3002\u8be5\u632f\u8361\u7684\u5468\u671f\u5404\u6709\u4e0d\u540c\uff0c\u4f46\u4e00\u822c\u6765\u8bf4\uff0c\u4e00\u5f00\u59cb\u5f88\u77ed\uff0c\u7136\u540e\u6cbf\u5e8f\u5217\u5411\u4e0b\u79fb\u52a8\u800c\u53d8\u957f\uff08\u7c7b\u4f3c\u5730\uff0c\u5728\u7ed9\u5b9a\u56e0\u679c\u5173\u7cfb\u7684\u60c5\u51b5\u4e0b\uff0c\u4e0e\u6bcf\u4e00\u884c\u7684\u5019\u9009\u6ce8\u610f\u529b token \u7684\u6570\u91cf\u76f8\u5173\uff09\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e3a\u4e86\u4e86\u89e3 \uff08attn @ V\uff09 \u7684\u5f62\u6210\u65b9\u5f0f\uff0c\u4e0d\u5355\u72ec\u5173\u6ce8\u6ce8\u610f\u529b\u662f\u5f88\u91cd\u8981\u7684 \u2014\u2014V \u4e5f\u540c\u7b49\u91cd\u8981\u3002\u6bcf\u4e2a\u8f93\u51fa\u9879\u90fd\u662f\u6574\u4e2a V \u5411\u91cf\u7684\u52a0\u6743\u5e73\u5747\u503c:\u5728\u6ce8\u610f\u529b\u662f\u5b8c\u7f8e\u5bf9\u89d2\u7ebf\u7684\u6781\u7aef\u60c5\u51b5\u4e0b\uff0cattn @ V \u53ea\u662f V \u7684\u7cbe\u786e\u526f\u672c\u3002\u8fd9\u91cc\u6211\u4eec\u770b\u5230\u66f4\u6709\u7eb9\u7406\u7684\u4e1c\u897f:\u53ef\u89c1\u7684\u5e26\u72b6\u7ed3\u6784\uff0c\u5176\u4e2d\u7279\u5b9a token \u5728\u6ce8\u610f\u529b\u884c\u7684\u8fde\u7eed\u5b50\u5e8f\u5217\u4e0a\u7684\u5f97\u5206\u5f88\u9ad8\uff0c\u53e0\u52a0\u5728\u4e0e V \u660e\u663e\u76f8\u4f3c\u7684\u77e9\u9635\u4e0a\uff0c\u4f46\u7531\u4e8e\u5bf9\u89d2\u7ebf\u8f83\u7c97\u800c\u6709\u4e00\u4e9b\u5782\u76f4\u906e\u6321\u3002(\u65c1\u6ce8:\u6839\u636e mm \u53c2\u8003\u6307\u5357\uff0c\u957f\u6309\u6216\u6309\u4f4f Control \u952e\u5355\u51fb\u5c06\u663e\u793a\u53ef\u89c6\u5316\u5143\u7d20\u7684\u5b9e\u9645\u6570\u503c\u3002)<\/p>\n<\/li>\n<li>\n<p>\u8bf7\u8bb0\u4f4f\uff0c\u7531\u4e8e\u6211\u4eec\u4f4d\u4e8e\u4e2d\u95f4\u5c42\uff085\u5c42\uff09\uff0c\u56e0\u6b64\u8be5\u6ce8\u610f\u529b\u5934\u7684\u8f93\u5165\u662f\u4e00\u4e2a\u4e2d\u95f4\u8868\u793a\uff0c\u800c\u4e0d\u662f\u539f\u59cb token \u5316\u6587\u672c\u3002\u56e0\u6b64\uff0c\u5728\u8f93\u5165\u4e2d\u770b\u5230\u7684\u6a21\u5f0f\u672c\u8eab\u5c31\u53d1\u4eba\u6df1\u7701 \u2014\u2014 \u7279\u522b\u662f\uff0c\u5f3a\u5927\u7684\u5782\u76f4\u7ebf\u6761\u662f\u7279\u5b9a\u7684\u5d4c\u5165\u4f4d\u7f6e\uff0c\u5176\u503c\u5728\u5e8f\u5217\u7684\u957f\u6bb5\u4e0a\u7edf\u4e00\u5177\u6709\u9ad8\u7684\u5e45\u5ea6 \u2014\u2014 \u6709\u65f6\u51e0\u4e4e\u662f\u5360\u6ee1\u4e86\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f46\u6709\u8da3\u7684\u662f\uff0c\u8f93\u5165\u5e8f\u5217\u4e2d\u7684<span class=\"spamTxt\">\u7b2c\u4e00<\/span>\u4e2a\u5411\u91cf\u662f\u72ec\u7279\u7684\uff0c\u4e0d\u4ec5\u6253\u7834\u4e86\u8fd9\u4e9b\u9ad8\u5e45\u5ea6\u5217\u7684\u6a21\u5f0f\uff0c\u800c\u4e14\u51e0\u4e4e\u5728\u6bcf\u4e2a\u4f4d\u7f6e\u90fd\u643a\u5e26\u7740\u975e\u5178\u578b\u503c\uff08\u65c1\u6ce8:\u8fd9\u91cc\u6ca1\u6709\u53ef\u89c6\u5316\uff0c\u4f46\u8fd9\u79cd\u6a21\u5f0f\u53cd\u590d\u51fa\u73b0\u5728\u591a\u4e2a\u6837\u672c\u8f93\u5165\u4e0a\uff09\u3002<\/p>\n<\/li>\n<li>\n<p>\u6ce8\u610f:\u5173\u4e8e\u6700\u540e\u4e24\u4e2a\u8981\u70b9\uff0c\u503c\u5f97\u91cd\u7533\u7684\u662f\uff0c\u8fd9\u91cc\u53ef\u89c6\u5316\u7684\u662f\u5bf9\u5355\u4e2a\u6837\u672c\u8f93\u5165\u7684\u8ba1\u7b97\u3002\u5728\u5b9e\u8df5\u4e2d\uff0c\u53ef\u4ee5\u53d1\u73b0\u6bcf\u4e2a\u5934\u90fd\u6709\u4e00\u4e2a\u7279\u5f81\u6a21\u5f0f\uff0c\u80fd\u5728\u76f8\u5f53\u591a\u7684\u6837\u672c\u96c6\u5408\u4e0a\u4e00\u81f4\uff08\u5c3d\u7ba1\u4e0d\u7b49\u540c\uff09\u5730\u8868\u8fbe\uff0c\u4f46\u5f53\u67e5\u770b\u4efb\u610f\u5305\u542b\u6fc0\u6d3b\u7684\u53ef\u89c6\u5316\u65f6\uff0c\u9700\u8981\u8bb0\u4f4f:\u8f93\u5165\u7684\u5b8c\u6574\u5206\u5e03\u53ef\u80fd\u4f1a\u4ee5\u5fae\u5999\u7684\u65b9\u5f0f\u5f71\u54cd\u5b83\u6fc0\u53d1\u7684\u60f3\u6cd5\u548c\u76f4\u89c9\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u6700\u540e\uff0c\u518d\u6b21\u5efa\u8bae\u76f4\u63a5\u63a2\u7d22\u52a8\u753b!<\/p>\n<p><strong>4c \u6ce8\u610f\u529b\u5934\u6709\u5f88\u591a\u6709\u8da3\u7684\u4e0d\u540c\u4e4b\u5904<\/strong><\/p>\n<p>\u7ee7\u7eed\u4e4b\u524d\uff0c\u8fd9\u91cc\u518d\u901a\u8fc7\u4e00\u4e2a\u6f14\u793a\u5c55\u73b0\u7b80\u5355\u5730\u7814\u7a76\u6a21\u578b\u4ee5\u4e86\u89e3\u5176\u8be6\u7ec6\u5de5\u4f5c\u65b9\u5f0f\u7684\u6709\u7528\u6027\u3002<\/p>\n<p>\u8fd9\u662f GPT-2\u7684\u53e6\u4e00\u4e2a\u6ce8\u610f\u529b\u5934\u3002\u5176\u884c\u4e3a\u6a21\u5f0f\u4e0e5\u5c42\u7b2c4\u5934\u5927\u6709\u4e0d\u540c \u2014\u2014 \u8fd9\u7b26\u5408\u4eba\u4eec\u9884\u671f\uff0c\u6bd5\u7adf\u5b83\u4f4d\u4e8e\u6a21\u578b\u4e00\u4e2a\u975e\u5e38\u4e0d\u540c\u7684\u90e8\u5206\u3002\u8fd9\u4e2a\u5934\u4f4d\u4e8e<span class=\"spamTxt\">\u7b2c\u4e00<\/span>\u5c42:0\u5c42\u7684\u7b2c2\u5934:<\/p>\n<p style=\"text-align:center\">\n<p>\u503c\u5f97\u6ce8\u610f\u7684\u70b9:<\/p>\n<ul>\n<li>\n<p>\u8fd9\u4e2a\u5934\u7684\u6ce8\u610f\u529b\u5206\u5e03\u5f88\u5747\u5300\u3002\u8fd9\u4f1a\u4ea7\u751f\u4e00\u4e2a\u6548\u679c:\u5c06 V \u7684\u76f8\u5bf9\u672a\u52a0\u6743\u7684\u5e73\u5747\u503c\uff08\u6216\u8005\u8bf4 V \u7684\u5408\u9002\u7684\u56e0\u679c\u524d\u7f00\uff09\u4ea4\u5230 attn @ V \u7684\u6bcf\u4e00\u884c;\u5982\u52a8\u753b\u6240\u793a:\u5f53\u6211\u4eec\u5411\u4e0b\u79fb\u52a8\u6ce8\u610f\u529b\u5206\u6570\u4e09\u89d2\u65f6\uff0cattn [i] @ V \u5411\u91cf &#8211; \u77e9\u9635\u79ef\u6709\u5f88\u5c0f\u7684\u6ce2\u52a8\uff0c\u800c\u4e0d\u662f\u7b80\u5355\u7684 V \u7684\u7f29\u5c0f\u6bd4\u4f8b\u7684\u3001\u9010\u6e10\u63ed\u793a\u7684\u526f\u672c\u3002<\/p>\n<\/li>\n<li>\n<p>attn @ V \u5177\u6709\u60ca\u4eba\u7684\u5782\u76f4\u5747\u5300\u6027 \u2014\u2014 \u5728\u5d4c\u5165\u7684\u5927\u67f1\u72b6\u533a\u57df\u4e2d\uff0c\u76f8\u540c\u7684\u503c\u6a21\u5f0f\u5728\u6574\u4e2a\u5e8f\u5217\u4e2d\u6301\u7eed\u5b58\u5728\u3002\u4eba\u4eec\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u770b\u4f5c\u662f\u6bcf\u4e2a token \u5171\u4eab\u7684\u5c5e\u6027\u3002<\/p>\n<\/li>\n<li>\n<p>\u65c1\u6ce8:\u4e00\u65b9\u9762\uff0c\u8003\u8651\u5230\u6ce8\u610f\u529b\u5206\u5e03\u975e\u5e38\u5747\u5300\u7684\u6548\u679c\uff0c\u4eba\u4eec\u53ef\u80fd\u4f1a\u671f\u671b attn @ V \u5177\u6709\u4e00\u5b9a\u7684\u4e00\u81f4\u6027\u3002\u4f46\u662f\u6bcf\u4e00\u884c\u90fd\u662f\u7531 V \u7684\u56e0\u679c\u5b50\u5e8f\u5217\u800c\u4e0d\u662f\u6574\u4e2a\u5e8f\u5217\u6784\u6210 \u2014\u2014 \u4e3a\u4ec0\u4e48\u8fd9\u4e0d\u4f1a\u5bfc\u81f4\u66f4\u591a\u7684\u53d8\u5316\uff0c\u5c31\u50cf\u6cbf\u7740\u5e8f\u5217\u5411\u4e0b\u79fb\u52a8\u65f6\u7684\u6e10\u8fdb\u53d8\u5f62\u4e00\u6837?\u901a\u8fc7\u89c6\u89c9\u68c0\u67e5\u53ef\u77e5\uff0cV 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