{"id":61871,"date":"2026-01-18T19:34:31","date_gmt":"2026-01-18T11:34:31","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/61871.html"},"modified":"2026-01-18T19:34:31","modified_gmt":"2026-01-18T11:34:31","slug":"%e5%a4%a7%e6%a8%a1%e5%9e%8b%e5%ba%94%e7%94%a8%ef%bc%9a%e4%b8%8a%e4%b8%8b%e6%96%87%e7%90%86%e8%a7%a3%e6%9e%81%e9%99%90%ef%bc%9acontext-window-%e4%b8%8e%e6%b3%a8%e6%84%8f%e5%8a%9b%e8%b7%a8%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/61871.html","title":{"rendered":"\u5927\u6a21\u578b\u5e94\u7528\uff1a\u4e0a\u4e0b\u6587\u7406\u89e3\u6781\u9650\uff1aContext Window \u4e0e\u6ce8\u610f\u529b\u8de8\u5ea6\u7684\u6570\u5b66\u8fb9\u754c.57"},"content":{"rendered":"<h2>\u4e00\u3001\u5f15\u8a00<\/h2>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u5927\u6a21\u578b\u7684\u4e16\u754c\u91cc&#xff0c;\u7406\u89e3\u5176\u5904\u7406\u957f\u6587\u672c\u7684\u80fd\u529b&#xff0c;\u4e0d\u80fd\u53ea\u770b\u4e00\u4e2a\u6570\u5b57\u3002\u6211\u4eec\u5e38\u542c\u5230\u201c\u652f\u6301128K\u4e0a\u4e0b\u6587\u201d\u8fd9\u6837\u7684\u5ba3\u4f20&#xff0c;\u4f46\u771f\u6b63\u51b3\u5b9a\u6a21\u578b\u80fd\u5426\u6709\u6548\u5229\u7528\u8fd9\u4e9b\u4fe1\u606f\u7684&#xff0c;\u8fdc\u4e0d\u6b62\u7a97\u53e3\u957f\u5ea6\u672c\u8eab\u3002\u4e8b\u5b9e\u4e0a&#xff0c;\u6709\u4e09\u4e2a\u76f8\u4e92\u5173\u8054\u5374\u53c8\u672c\u8d28\u4e0d\u540c\u7684\u57fa\u7840\u6982\u5ff5\u5171\u540c\u6784\u6210\u4e86\u6a21\u578b\u5bf9\u957f\u5e8f\u5217\u7684\u5904\u7406\u80fd\u529b&#xff1a;\u4e0a\u4e0b\u6587\u7a97\u53e3&#xff08;Context Window&#xff09;\u3001\u6ce8\u610f\u529b\u8de8\u5ea6\u548c \u6570\u5b66\u8fb9\u754c\u3002<\/p>\n<p>\u7b80\u5355\u6765\u8bf4&#xff1a;<\/p>\n<ul>\n<li>\u4e0a\u4e0b\u6587\u7a97\u53e3\u662f\u6211\u4eec\u80fd\u770b\u89c1\u7684\u6700\u5927\u8303\u56f4&#xff0c;\u5b83\u5b9a\u4e49\u4e86\u6a21\u578b\u5355\u6b21\u63a8\u7406\u4e2d\u53ef\u4ee5\u63a5\u6536\u7684\u8f93\u5165\u957f\u5ea6\u4e0a\u9650&#xff1b;<\/li>\n<li>\u6ce8\u610f\u529b\u8de8\u5ea6\u662f\u6211\u4eec\u771f\u6b63\u7528\u5fc3\u770b\u7684\u90e8\u5206&#xff0c;\u5373\u4f7f\u5185\u5bb9\u5728\u89c6\u91ce\u4e4b\u5185&#xff0c;\u6a21\u578b\u4e5f\u53ef\u80fd\u53ea\u5bf9\u5176\u4e2d\u4e00\u6bb5\u6838\u5fc3\u533a\u57df\u4fdd\u6301\u654f\u611f\u548c\u8bb0\u5fc6&#xff1b;<\/li>\n<li>\u800c\u6570\u5b66\u8fb9\u754c\u5219\u662f\u5927\u81ea\u7136\u89c4\u5f8b\u4e0e\u5de5\u7a0b\u73b0\u5b9e\u5171\u540c\u5212\u4e0b\u7684\u7ea2\u7ebf&#xff0c;\u5b83\u7531\u7b97\u6cd5\u590d\u6742\u5ea6\u3001\u786c\u4ef6\u663e\u5b58\u548c\u8ba1\u7b97\u6548\u7387\u5171\u540c\u51b3\u5b9a&#xff0c;\u4e00\u65e6\u5f3a\u884c\u7a81\u7834&#xff0c;\u5e26\u6765\u7684\u4e0d\u662f\u80fd\u529b\u63d0\u5347&#xff0c;\u800c\u662f\u8d44\u6e90\u6ea2\u51fa\u3001\u6027\u80fd\u5d29\u6e83\u751a\u81f3\u7cfb\u7edf\u5931\u6548\u3002<\/li>\n<\/ul>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7406\u89e3\u8fd9\u4e09\u4e2a\u6982\u5ff5&#xff0c;\u662f\u5408\u7406\u4f7f\u7528\u5927\u6a21\u578b\u3001\u8bbe\u8ba1\u9ad8\u6548\u63d0\u793a&#xff08;prompt&#xff09;\u3001\u8bc4\u4f30\u957f\u6587\u6863\u5904\u7406\u6027\u80fd\u7684\u524d\u63d0&#xff0c;\u4e5f\u662f\u907f\u514d\u9677\u5165\u8d8a\u957f\u8d8a\u597d\u8bef\u533a\u7684\u5173\u952e\u3002\u63a5\u4e0b\u6765&#xff0c;\u6211\u4eec\u5c06\u9010\u4e00\u6df1\u5165\u5256\u6790\u5b83\u4eec\u7684\u6280\u672f\u5185\u6db5\u4e0e\u5b9e\u8df5\u610f\u4e49\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"1535\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118113419-696cc53bef1a1.png\" width=\"2730\" \/><\/p>\n<h2>\u4e8c\u3001\u57fa\u7840\u6982\u5ff5<\/h2>\n<h3>1. Context Window&#xff08;\u4e0a\u4e0b\u6587\u7a97\u53e3&#xff09;<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6a21\u578b\u7684\u4e00\u6b21\u6027\u9605\u8bfb\u80fd\u529b&#xff0c;\u5728\u5927\u6a21\u578b\u4e2d&#xff0c;\u4e0a\u4e0b\u6587\u7a97\u53e3\u6307\u7684\u662f\u6a21\u578b\u5728\u4e00\u6b21\u63a8\u7406\u8fc7\u7a0b\u4e2d\u80fd\u591f\u63a5\u6536\u5e76\u5904\u7406\u7684\u8f93\u5165 token \u5e8f\u5217\u7684\u6700\u5927\u957f\u5ea6\u3002\u8fd9\u4e2a\u6570\u503c&#xff08;\u6bd4\u5982 4K\u30018K\u300132K\u3001128K tokens&#xff09;\u662f\u5728\u6a21\u578b\u67b6\u6784\u8bbe\u8ba1\u9636\u6bb5\u5c31\u56fa\u5b9a\u4e0b\u6765\u7684\u786c\u6027\u9650\u5236&#xff0c;\u7531\u4f4d\u7f6e\u7f16\u7801\u65b9\u5f0f\u3001Transformer \u5c42\u7ed3\u6784\u4ee5\u53ca\u8bad\u7ec3\u6570\u636e\u5206\u5e03\u5171\u540c\u51b3\u5b9a\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7b80\u5355\u6765\u8bf4&#xff0c;\u5c31\u662f\u5927\u6a21\u578b\u4e00\u6b21\u6027\u80fd\u770b\u61c2\u7684\u6700\u957f\u6587\u5b57&#xff0c;\u8d85\u8fc7\u8fd9\u4e2a\u957f\u5ea6\u7684\u5185\u5bb9&#xff0c;\u8981\u4e48\u88ab\u622a\u65ad&#xff0c;\u8981\u4e48\u88ab\u5ffd\u7565&#xff0c;\u6211\u4eec\u53ef\u4ee5\u628a\u5b83\u60f3\u8c61\u6210\u5728\u8bfb\u4e66\u65f6\u4e00\u773c\u80fd\u770b\u6e05\u7684\u5b57\u6570\u8303\u56f4\u3002\u5047\u8bbe\u6211\u4eec\u6234\u4e86\u4e00\u526f\u7279\u6b8a\u773c\u955c&#xff0c;\u6bcf\u6b21\u53ea\u80fd\u805a\u7126\u5728\u8fde\u7eed\u7684 10 \u4e2a\u6c49\u5b57\u4e0a&#xff0c;\u8fd9 10 \u4e2a\u5b57\u5c31\u662f\u6211\u4eec\u7684\u9605\u8bfb\u7a97\u53e3\u3002\u5982\u679c\u4e00\u6bb5\u8bdd\u6709 15 \u4e2a\u5b57&#xff0c;\u90a3\u4f60\u5fc5\u987b\u5148\u770b\u524d 10 \u4e2a&#xff0c;\u518d\u79fb\u52a8\u89c6\u7ebf\u770b\u540e 10 \u4e2a\u3002\u540c\u7406&#xff0c;\u5f53\u7528\u6237\u8f93\u5165\u4e00\u7bc7\u8d85\u957f\u6587\u6863\u7ed9\u5927\u6a21\u578b&#xff0c;\u800c\u6587\u6863\u957f\u5ea6\u8d85\u8fc7\u4e86\u5b83\u7684\u4e0a\u4e0b\u6587\u7a97\u53e3&#xff0c;\u591a\u4f59\u7684\u90e8\u5206\u5c31\u4f1a\u88ab\u76f4\u63a5\u622a\u65ad\u6216\u4e22\u5f03&#xff0c;\u6a21\u578b\u6839\u672c\u770b\u4e0d\u89c1&#xff0c;\u66f4\u8c08\u4e0d\u4e0a\u7406\u89e3\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u56e0\u6b64&#xff0c;\u4e0a\u4e0b\u6587\u7a97\u53e3\u4e0d\u662f\u8bb0\u5fc6\u529b&#xff0c;\u800c\u662f\u5355\u6b21\u611f\u77e5\u80fd\u529b\u7684\u4e0a\u9650\u3002\u5b83\u51b3\u5b9a\u4e86\u6a21\u578b\u80fd\u540c\u65f6\u770b\u5230\u591a\u5c11\u4fe1\u606f\u6765\u505a\u51fa\u5f53\u524d\u56de\u7b54\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"200\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118113426-696cc54273f6c.png\" width=\"1200\" \/><\/p>\n<h3>2. \u6ce8\u610f\u529b\u8de8\u5ea6<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6a21\u578b\u771f\u6b63\u7684\u5173\u6ce8\u7126\u70b9&#xff0c;\u5373\u4f7f\u4e00\u6bb5\u6587\u672c\u5b8c\u5168\u843d\u5728\u4e0a\u4e0b\u6587\u7a97\u53e3\u4e4b\u5185&#xff0c;\u6a21\u578b\u4e5f\u4e0d\u4f1a\u5bf9\u6bcf\u4e2a\u8bcd\u90fd\u6295\u5165\u540c\u7b49\u6ce8\u610f\u529b\u3002\u6ce8\u610f\u529b\u8de8\u5ea6\u63cf\u8ff0\u7684\u662f&#xff1a;\u5728\u5141\u8bb8\u7684\u4e0a\u4e0b\u6587\u8303\u56f4\u5185&#xff0c;\u6a21\u578b\u5b9e\u9645\u80fd\u591f\u6709\u6548\u5efa\u6a21\u548c\u5229\u7528\u7684\u4fe1\u606f\u8ddd\u79bb\u6709\u591a\u8fdc\u3002\u5b83\u53cd\u6620\u7684\u662f\u6ce8\u610f\u529b\u673a\u5236\u5728\u957f\u5e8f\u5217\u4e2d\u7ef4\u6301\u8bed\u4e49\u5173\u8054\u7684\u80fd\u529b\u3002\u6362\u53e5\u8bdd\u8bf4\u5c31\u662f\u6a21\u578b\u5728\u4e0a\u4e0b\u6587\u7a97\u53e3\u8303\u56f4\u5185&#xff0c;\u5bf9\u4e0d\u540c\u4f4d\u7f6e token \u7684\u6ce8\u610f\u529b\u6743\u91cd\u5206\u5e03\u7684\u6709\u6548\u8986\u76d6\u8303\u56f4&#xff0c;\u53cd\u6620\u6a21\u578b\u5bf9\u957f\u5e8f\u5217\u4fe1\u606f\u7684\u6355\u6349\u80fd\u529b\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e3e\u4e2a\u4f8b\u5b50&#xff1a;\u6211\u4eec\u5728\u542c\u4e00\u573a 10 \u5206\u949f\u7684\u6f14\u8bb2&#xff0c;\u8033\u6735\u80fd\u5b8c\u6574\u542c\u5230\u5168\u90e8\u5185\u5bb9&#xff0c;\u76f8\u5f53\u4e8e\u4e0a\u4e0b\u6587\u7a97\u53e3\u8db3\u591f\u5927&#xff0c;\u4f46\u56e0\u4e3a\u8d70\u795e\u3001\u75b2\u52b3\u6216\u4fe1\u606f\u5bc6\u5ea6\u4f4e&#xff0c;\u6211\u4eec\u771f\u6b63\u8bb0\u4f4f\u5e76\u7406\u89e3\u7684\u53ea\u6709\u4e2d\u95f4 6 \u5206\u949f\u7684\u5185\u5bb9\u3002\u8fd9 6 \u5206\u949f\u5c31\u662f\u6240\u8c13\u7684\u201c\u6ce8\u610f\u529b\u8de8\u5ea6\u201d\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u6280\u672f\u5c42\u9762&#xff0c;\u5c3d\u7ba1 Transformer \u7406\u8bba\u4e0a\u53ef\u4ee5\u5bf9\u4efb\u610f\u4e24\u4e2a token \u5efa\u7acb\u8fde\u63a5&#xff0c;\u4f46\u5728\u5b9e\u8df5\u4e2d&#xff0c;\u968f\u7740\u5e8f\u5217\u53d8\u957f&#xff0c;\u6ce8\u610f\u529b\u6743\u91cd\u5f80\u5f80\u4f1a\u96c6\u4e2d\u5728\u5c40\u90e8\u533a\u57df&#xff0c;\u5982\u6700\u8fd1\u7684\u51e0\u4e2a\u53e5\u5b50&#xff0c;\u5bf9\u9065\u8fdc\u4f4d\u7f6e\u7684 token \u5173\u6ce8\u5ea6\u6025\u5267\u8870\u51cf\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6709\u4e9b\u53f7\u79f0\u652f\u6301 128K \u4e0a\u4e0b\u6587\u7684\u6a21\u578b&#xff0c;\u5728\u5904\u7406 100K \u957f\u6587\u6863\u65f6&#xff0c;\u5bf9\u5f00\u5934\u5185\u5bb9\u7684\u56de\u7b54\u4ecd\u7136\u53ef\u80fd\u51fa\u9519&#xff0c;\u7a97\u53e3\u867d\u5927&#xff0c;\u4f46\u5fc3\u4e0d\u5728\u7109\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"400\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118113426-696cc54291b20.png\" width=\"1000\" \/><\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6240\u4ee5&#xff0c;\u4e0a\u4e0b\u6587\u7a97\u53e3\u662f\u786c\u4ef6\u548c\u67b6\u6784\u7ed9\u7684\u821e\u53f0\u5927\u5c0f&#xff0c;\u800c\u6ce8\u610f\u529b\u8de8\u5ea6\u662f\u6a21\u578b\u81ea\u5df1\u6f14\u51fa\u7684\u4e13\u6ce8\u8303\u56f4&#xff0c;\u7b80\u5355\u7406\u89e3\u5c31\u662f\u6a21\u578b\u5728\u80fd\u770b\u61c2\u7684\u6587\u5b57\u91cc&#xff0c;\u771f\u6b63\u80fd\u5173\u6ce8\u5230\u7684\u6709\u6548\u8303\u56f4&#xff0c;\u4e0d\u662f\u7a97\u53e3\u5185\u6240\u6709\u6587\u5b57\u90fd\u88ab\u5e73\u7b49\u5173\u6ce8\u3002<\/p>\n<h3>3. \u6570\u5b66\u8fb9\u754c<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5230\u8fd9\u91cc&#xff0c;\u6211\u4eec\u4f1a\u4e0d\u4f1a\u6709\u4e2a\u7591\u95ee&#xff0c;\u5927\u6a21\u578b\u8fd9\u4e48\u5389\u5bb3&#xff0c;\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u65e0\u9650\u6269\u5927\u4e0a\u4e0b\u6587\u7a97\u53e3&#xff0c;\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u50cf\u53c2\u6570\u4e00\u6837\u81ea\u5df1\u914d\u7f6e\u5462&#xff1f;\u6bd4\u5982\u76f4\u63a5\u505a\u5230 1M tokens&#xff1f;\u8fd9\u5c31\u89e6\u53ca\u4e86\u6570\u5b66\u8fb9\u754c&#xff0c;\u4e00\u4e2a\u7531\u591a\u91cd\u73b0\u5b9e\u7ea6\u675f\u5171\u540c\u6784\u6210\u7684\u7406\u8bba\u5929\u82b1\u677f&#xff0c;\u4e00\u91cd\u4e0d\u53ef\u903e\u8d8a\u7684\u7269\u7406\u6cd5\u5219\u3002<\/p>\n<p>\u8fd9\u4e2a\u8fb9\u754c\u4e3b\u8981\u6765\u81ea\u4e09\u65b9\u9762&#xff1a;<\/p>\n<ul>\n<li>\u8ba1\u7b97\u590d\u6742\u5ea6&#xff1a;\u6807\u51c6 Transformer \u7684\u81ea\u6ce8\u610f\u529b\u673a\u5236\u65f6\u95f4\u590d\u6742\u5ea6\u662f O(n\u00b2)&#xff0c;\u5e8f\u5217\u957f\u5ea6\u7ffb\u500d&#xff0c;\u8ba1\u7b97\u91cf\u53d8\u4e3a\u56db\u500d\u3002128K tokens \u7684 attention \u77e9\u9635\u9700\u8981\u6570\u767e GB \u663e\u5b58&#xff0c;\u8fdc\u8d85\u73b0\u6709 GPU \u80fd\u529b\u3002<\/li>\n<li>\u786c\u4ef6\u9650\u5236&#xff1a;\u663e\u5b58\u5bb9\u91cf\u3001\u5e26\u5bbd\u3001\u529f\u8017\u7b49\u7269\u7406\u6761\u4ef6&#xff0c;\u51b3\u5b9a\u4e86\u5355\u6b21\u524d\u5411\u4f20\u64ad\u80fd\u627f\u8f7d\u7684\u6570\u636e\u89c4\u6a21\u3002<\/li>\n<li>\u8bad\u7ec3\u4e0e\u63a8\u7406\u6548\u7387&#xff1a;\u8fc7\u957f\u7684\u4e0a\u4e0b\u6587\u4f1a\u663e\u8457\u62d6\u6162\u54cd\u5e94\u901f\u5ea6&#xff0c;\u964d\u4f4e\u541e\u5410\u91cf&#xff0c;\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u548c\u90e8\u7f72\u6210\u672c\u3002<\/li>\n<\/ul>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fd9\u5c31\u50cf\u4e00\u4e2a\u6c34\u676f\u7684\u5bb9\u91cf\u4e0a\u9650&#xff1a;\u676f\u8eab\u9ad8\u5ea6&#xff08;\u7531\u6570\u5b66\u89c4\u5f8b\u51b3\u5b9a&#xff0c;\u6bd4\u5982 n\u00b2 \u00a0\u590d\u6742\u5ea6&#xff09;\u8bbe\u5b9a\u4e86\u7406\u8bba\u6700\u5927\u5bb9\u79ef&#xff1b;\u800c\u676f\u58c1\u6750\u6599\u5f3a\u5ea6&#xff08;\u786c\u4ef6\u663e\u5b58\u4e0e\u7b97\u529b&#xff09;\u51b3\u5b9a\u4e86\u5b83\u80fd\u5426\u771f\u7684\u88c5\u5230\u90a3\u4e2a\u9ad8\u5ea6\u800c\u4e0d\u7834\u88c2\u3002\u5982\u679c\u5f3a\u884c\u5f80 500ml \u7684\u676f\u5b50\u91cc\u5012 600ml \u6c34&#xff0c;\u7ed3\u679c\u4e0d\u662f\u591a\u88c5\u4e86\u4e00\u70b9&#xff0c;\u800c\u662f\u6c34\u6ea2\u51fa\u6765\u3001\u684c\u9762\u6e7f\u900f\u3001\u8d44\u6e90\u6d6a\u8d39&#xff0c;\u5bf9\u5e94\u5230\u6a21\u578b\u4e2d&#xff0c;\u5c31\u662f\u663e\u5b58\u6ea2\u51fa\u3001\u63a8\u7406\u5931\u8d25\u3001\u6216\u7cfb\u7edf\u5d29\u6e83\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"500\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118113426-696cc542b19c8.png\" width=\"1200\" \/><\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u56e0\u6b64&#xff0c;\u6269\u5bb9\u4e0a\u4e0b\u6587\u7a97\u53e3\u4e0d\u662f\u7b80\u5355\u6539\u4e2a\u53c2\u6570\u5c31\u884c&#xff0c;\u800c\u662f\u9700\u8981\u7b97\u6cd5\u521b\u65b0&#xff08;\u5982\u7a00\u758f\u6ce8\u610f\u529b\u3001\u7ebf\u6027\u6ce8\u610f\u529b&#xff09;\u3001\u786c\u4ef6\u534f\u540c\u3001\u5de5\u7a0b\u4f18\u5316\u4e09\u4f4d\u4e00\u4f53\u7a81\u7834\u3002\u4efb\u4f55\u5ffd\u89c6\u6570\u5b66\u8fb9\u754c\u7684\u66b4\u529b\u6269\u5bb9&#xff0c;\u6700\u7ec8\u90fd\u4f1a\u4ee5\u6027\u80fd\u5d29\u584c\u6216\u8d44\u6e90\u6d6a\u8d39\u6536\u573a\u3002<\/p>\n<p>\u4e09\u8005\u5173\u7cfb\u5f3a\u5316&#xff1a;<\/p>\n<ul>\n<li>\u4e0a\u4e0b\u6587\u7a97\u53e3\u662f\u201c\u7269\u7406\u5bb9\u5668\u201d&#xff1a;\u51b3\u5b9a\u6a21\u578b\u80fd \u201c\u88c5\u4e0b\u201d \u591a\u5c11\u6587\u672c&#xff1b;<\/li>\n<li>\u6ce8\u610f\u529b\u8de8\u5ea6\u662f\u201c\u5bb9\u5668\u7684\u6709\u6548\u5229\u7528\u7387\u201d&#xff1a;\u51b3\u5b9a\u6a21\u578b\u80fd \u201c\u7528\u597d\u201d \u591a\u5c11\u88c5\u4e0b\u7684\u6587\u672c&#xff1b;<\/li>\n<li>\u6570\u5b66\u8fb9\u754c\u662f\u201c\u5bb9\u5668\u7684\u751f\u4ea7\u6807\u51c6\u201d&#xff1a;\u51b3\u5b9a\u5bb9\u5668\u7684\u6700\u5927\u5c3a\u5bf8\u4e0a\u9650\u3002<\/li>\n<\/ul>\n<h2 style=\"background-color:transparent\">\u4e09\u3001\u6a21\u578b\u5982\u4f55\u8bfb\u61c2\u6587\u5b57<\/h2>\n<p>\u8981\u7406\u89e3\u4e0a\u4e0b\u6587\u7a97\u53e3&#xff0c;\u5fc5\u987b\u5148\u638c\u63e1 Transformer \u81ea\u6ce8\u610f\u529b\u673a\u5236&#xff0c;\u8fd9\u662f\u5927\u6a21\u578b\u5904\u7406\u6587\u672c\u7684\u6838\u5fc3\u5f15\u64ce\u3002\u6211\u4eec\u7528\u5b66\u751f\u9020\u53e5\u7684\u4f8b\u5b50&#xff0c;\u4e00\u6b65\u6b65\u62c6\u89e3\u3002<\/p>\n<h3>1. \u81ea\u6ce8\u610f\u529b\u673a\u5236<\/h3>\n<p>\u6a21\u578b\u7684\u9605\u8bfb\u7406\u89e3\u673a\u5236&#xff0c;\u5f53\u6211\u4eec\u8ba9\u6a21\u578b\u5b8c\u6210\u53e5\u5b50\u586b\u7a7a&#xff1a;\u201c\u5c0f\u660e\u5728\u64cd\u573a___&#xff0c;\u56e0\u4e3a\u4eca\u5929\u5929\u6c14\u5f88\u597d\u201d<br \/>\n\u6a21\u578b\u8981\u505a 3 \u4ef6\u4e8b&#xff0c;\u8fd9\u5c31\u662f\u81ea\u6ce8\u610f\u529b\u673a\u5236\u7684\u5de5\u4f5c\u6d41\u7a0b&#xff1a;<\/p>\n<p>1. \u8bcd\u5d4c\u5165&#xff08;Token Embedding&#xff09;&#xff1a;\u628a\u6bcf\u4e2a\u8bcd\u8f6c\u6362\u6210\u8ba1\u7b97\u673a\u80fd\u770b\u61c2\u7684 \u201c\u6570\u5b57\u5411\u91cf\u201d&#xff0c;\u6bd4\u5982 \u201c\u5c0f\u660e\u201d\u2192[0.2, 0.5, -0.1]&#xff0c;\u201c\u64cd\u573a\u201d\u2192[0.3, 0.1, 0.7]\u3002<\/p>\n<p>2. \u6ce8\u610f\u529b\u6743\u91cd\u8ba1\u7b97&#xff1a;\u6a21\u578b\u8ba1\u7b97 \u201c\u6bcf\u4e2a\u8bcd\u548c\u5176\u4ed6\u8bcd\u7684\u5173\u8054\u7a0b\u5ea6\u201d&#xff0c;\u7528\u6743\u91cd\u503c\u8868\u793a\u3002\u6bd4\u5982&#xff1a;<\/p>\n<ul>\n<li>\u201c___\u201d \u548c \u201c\u64cd\u573a\u201d \u7684\u6743\u91cd\u662f 0.9&#xff08;\u56e0\u4e3a\u64cd\u573a\u662f\u6d3b\u52a8\u5730\u70b9&#xff09;&#xff1b;<\/li>\n<li>\u201c___\u201d \u548c \u201c\u5929\u6c14\u5f88\u597d\u201d \u7684\u6743\u91cd\u662f 0.8&#xff08;\u56e0\u4e3a\u5929\u6c14\u597d\u9002\u5408\u6237\u5916\u6d3b\u52a8&#xff09;&#xff1b;<\/li>\n<li>\u201c___\u201d \u548c \u201c\u5c0f\u660e\u201d \u7684\u6743\u91cd\u662f 0.7&#xff08;\u56e0\u4e3a\u5c0f\u660e\u662f\u52a8\u4f5c\u7684\u6267\u884c\u8005&#xff09;\u3002<\/li>\n<\/ul>\n<p>3. \u52a0\u6743\u6c42\u548c&#xff1a;\u628a\u9ad8\u6743\u91cd\u8bcd\u7684\u5411\u91cf \u201c\u52a0\u8d77\u6765\u201d&#xff0c;\u5f97\u5230 \u201c___\u201d \u7684\u6700\u7ec8\u5411\u91cf&#xff0c;\u7136\u540e\u6a21\u578b\u6839\u636e\u8fd9\u4e2a\u5411\u91cf\u9884\u6d4b\u51fa \u201c\u8dd1\u6b65\u201d\u201c\u8e22\u7403\u201d \u8fd9\u7c7b\u8bcd\u3002<\/p>\n<p>\u4e00\u53e5\u8bdd\u603b\u7ed3&#xff1a;\u81ea\u6ce8\u610f\u529b\u673a\u5236\u8ba9\u6a21\u578b\u201c\u77e5\u9053\u8be5\u5173\u6ce8\u54ea\u4e9b\u8bcd\u201d&#xff0c;\u4ece\u800c\u7406\u89e3\u6587\u672c\u7684\u903b\u8f91\u5173\u7cfb\u3002<\/p>\n<h3>2. \u4e0a\u4e0b\u6587\u7a97\u53e3\u7684\u672c\u8d28<\/h3>\n<p>\u4e0a\u4e0b\u6587\u7a97\u53e3\u7684\u672c\u8d28\u662f\u6ce8\u610f\u529b\u8ba1\u7b97\u7684\u8303\u56f4\u67b7\u9501&#xff0c;\u4e3a\u4ec0\u4e48\u6a21\u578b\u4e0d\u80fd\u65e0\u9650\u5236\u6269\u5927\u4e0a\u4e0b\u6587\u7a97\u53e3&#xff1f;\u6838\u5fc3\u662f\u6ce8\u610f\u529b\u8ba1\u7b97\u7684\u590d\u6742\u5ea6\u9677\u9631\u3002<\/p>\n<ul>\n<li>\u6211\u4eec\u5148\u660e\u786e\u4e00\u4e2a\u516c\u5f0f&#xff1a;\u81ea\u6ce8\u610f\u529b\u7684\u8ba1\u7b97\u590d\u6742\u5ea6 &#061; O(n\u00b2)<\/li>\n<li>\u5176\u4e2d n \u662f\u8f93\u5165\u6587\u672c\u7684 token \u6570\u91cf&#xff0c;\u8fd9\u4e2a\u516c\u5f0f\u7684\u610f\u601d\u662f&#xff1a;\u8ba1\u7b97\u91cf\u4f1a\u968f\u7740 token \u6570\u91cf\u7684\u589e\u52a0\u5448\u5e73\u65b9\u7ea7\u7206\u70b8\u589e\u957f\u3002<\/li>\n<\/ul>\n<p>\u6211\u4eec\u7528\u5177\u4f53\u6570\u5b57\u5bf9\u6bd4&#xff0c;\u76f4\u89c2\u611f\u53d7\u8fd9\u4e2a\u8ba1\u7b97\u91cf&#xff1a;<\/p>\n<table>\n<tr>token \u6570\u91cf n\u8ba1\u7b97\u91cf n\u00b2\u6240\u9700\u663e\u5b58&#xff08;\u5047\u8bbe\u6bcf\u4e2a\u5143\u7d20 4 \u5b57\u8282&#xff09;\u666e\u901a\u663e\u5361\u80fd\u5426\u652f\u6491<\/tr>\n<tbody>\n<tr>\n<td style=\"text-align:center\">512<\/td>\n<td style=\"text-align:center\">262,144<\/td>\n<td style=\"text-align:center\">262144 \u00d7 4 &#061; 1,048,576 \u5b57\u8282 \u2248 1MB<\/td>\n<td style=\"text-align:center\">\u8f7b\u677e\u652f\u6491<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:center\">2048<\/td>\n<td style=\"text-align:center\">4,194,304<\/td>\n<td style=\"text-align:center\">\u2248 16MB<\/td>\n<td style=\"text-align:center\">\u8f7b\u677e\u652f\u6491<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:center\">8192<\/td>\n<td style=\"text-align:center\">67,108,864<\/td>\n<td style=\"text-align:center\">\u2248 262MB<\/td>\n<td style=\"text-align:center\">\u52c9\u5f3a\u652f\u6491<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:center\">65536<\/td>\n<td style=\"text-align:center\">4,294,967,296<\/td>\n<td style=\"text-align:center\">\u2248 16.4GB<\/td>\n<td style=\"text-align:center\">\u53ea\u6709\u9ad8\u7aef\u663e\u5361\u80fd\u652f\u6491<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:center\">131072<\/td>\n<td style=\"text-align:center\">17,179,869,184<\/td>\n<td style=\"text-align:center\">\u2248 65.5GB<\/td>\n<td style=\"text-align:center\">\u666e\u901a\u663e\u5361\u76f4\u63a5 \u201c\u7f62\u5de5\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"650\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118113426-696cc542eba34.png\" width=\"1100\" \/><\/p>\n<p>\u8fd9\u5c31\u662f\u6570\u5b66\u8fb9\u754c\u7684\u6838\u5fc3\u67b7\u9501&#xff1a;\u54ea\u6015\u4f60\u60f3\u628a\u7a97\u53e3\u4ece 8192 \u6269\u5bb9\u5230 131072&#xff0c;\u8ba1\u7b97\u91cf\u4f1a\u4ece 6700 \u4e07\u66b4\u6da8\u5230 170 \u4ebf&#xff0c;\u663e\u5b58\u9700\u6c42\u4ece 262MB \u6da8\u5230 65.5GB&#xff0c;\u666e\u901a\u786c\u4ef6\u6839\u672c\u625b\u4e0d\u4f4f\u3002<\/p>\n<h3>3. \u6ce8\u610f\u529b\u8de8\u5ea6\u7684\u5173\u952e<\/h3>\n<p>\u5173\u952e\u5728\u4e8e\u4e0d\u662f\u88c5\u5f97\u591a&#xff0c;\u800c\u662f\u8981\u7528\u5f97\u597d&#xff0c;\u5f88\u591a\u4eba\u4f1a\u8bef\u4ee5\u4e3a\u201c\u7a97\u53e3\u8d8a\u5927&#xff0c;\u6a21\u578b\u6548\u679c\u8d8a\u597d\u201d&#xff0c;\u4f46\u6ce8\u610f\u529b\u8de8\u5ea6\u4f1a\u6253\u7834\u8fd9\u4e2a\u8bef\u533a\u3002<\/p>\n<ul>\n<li>\u5f3a\u6ce8\u610f\u529b\u8de8\u5ea6\u6a21\u578b&#xff1a;\u6a21\u578b\u80fd\u5747\u5300\u5173\u6ce8\u7a97\u53e3\u5185\u7684\u6240\u6709\u6587\u672c&#xff0c;\u603b\u7ed3\u957f\u6587\u6863\u65f6&#xff0c;\u5f00\u5934\u7684\u7814\u7a76\u80cc\u666f\u548c\u7ed3\u5c3e\u7684 \u7ed3\u8bba\u90fd\u80fd\u7cbe\u51c6\u63d0\u70bc\u3002<\/li>\n<li>\u5f31\u6ce8\u610f\u529b\u8de8\u5ea6\u6a21\u578b&#xff1a;\u6a21\u578b\u53ea\u5173\u6ce8\u7a97\u53e3\u7684\u540e 2048 \u4e2a token&#xff0c;\u603b\u7ed3\u65f6\u5b8c\u5168\u5ffd\u7565\u5f00\u5934\u7684 \u201c\u7814\u7a76\u80cc\u666f\u201d&#xff0c;\u53ea\u63d0\u70bc\u7ed3\u5c3e\u7684\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"396\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118113427-696cc5434503f.png\" width=\"1400\" \/><\/p>\n<p>\u5982\u56fe\u6240\u793a&#xff1a;<\/p>\n<ul>\n<li>\u5f3a\u6ce8\u610f\u529b\u8de8\u5ea6\u6a21\u578b&#xff1a;\u4e00\u4e2a\u957f\u6587\u6863\u7684\u5206\u6bb5\u793a\u610f\u56fe&#xff0c;\u6bcf\u4e00\u6bb5\u90fd\u662f\u201c\u9ad8\u5173\u6ce8\u5ea6\u201d\u7684\u7eff\u8272\u6807\u8bb0&#xff0c;\u6240\u4ee5\u53ef\u4ee5\u7406\u89e3\u4e3a\u201c\u5f3a\u6ce8\u610f\u529b\u8de8\u5ea6&#xff0c;\u4e0d\u9057\u6f0f\u4efb\u4f55\u5173\u952e\u4fe1\u606f\u201d\u3002<\/li>\n<li>\u5f31\u6ce8\u610f\u529b\u8de8\u5ea6\u6a21\u578b&#xff1a;\u540c\u6837\u7684\u957f\u6587\u6863\u793a\u610f\u56fe&#xff0c;\u524d 6144 \u4e2a token \u662f\u201c\u4f4e\u5173\u6ce8\u5ea6\u201d &#xff0c;\u540e 2048 \u4e2a token \u662f\u201c\u9ad8\u5173\u6ce8\u5ea6\u201d&#xff0c;\u6240\u4ee5\u201c\u5f31\u6ce8\u610f\u529b\u8de8\u5ea6&#xff0c;\u5927\u7a97\u53e3\u4e5f\u4f1a\u6d6a\u8d39\u201d\u3002<\/li>\n<\/ul>\n<p>\u5173\u952e\u7ed3\u8bba&#xff1a;\u63d0\u5347\u6a21\u578b\u957f\u6587\u672c\u5904\u7406\u80fd\u529b&#xff0c;\u5148\u4f18\u5316\u6ce8\u610f\u529b\u8de8\u5ea6\u63d0\u5347\u5229\u7528\u7387&#xff0c;\u518d\u6269\u5927\u4e0a\u4e0b\u6587\u7a97\u53e3\u63d0\u5347\u5bb9\u91cf&#xff0c;\u624d\u662f\u6027\u4ef7\u6bd4\u6700\u9ad8\u7684\u8def\u5f84\u3002<\/p>\n<h2 style=\"background-color:transparent\">\u56db\u3001\u7531\u6d45\u5165\u6df1\u5206\u6790<\/h2>\n<p>\u9636\u6bb5 1&#xff1a;\u76f4\u89c2\u73b0\u8c61&#xff0c;\u7a97\u53e3\u4e0d\u591f\u7528&#xff0c;\u6a21\u578b\u4f1a\u201c\u5931\u5fc6\u201d<\/p>\n<p>\u6211\u4eec\u7528\u4e00\u4e2a\u771f\u5b9e\u5b9e\u9a8c\u573a\u666f&#xff0c;\u770b\u7a97\u53e3\u9650\u5236\u7684\u5177\u4f53\u8868\u73b0&#xff1a;<\/p>\n<ul>\n<li>\u5b9e\u9a8c\u6761\u4ef6&#xff1a;\u7528\u4e00\u4e2a\u53ea\u67094096 token\u7684\u6a21\u578b\u5904\u7406\u4e00\u7bc7 5000 token \u7684\u4ea7\u54c1\u8bf4\u660e\u4e66&#xff0c;\u7136\u540e\u8ba9\u6a21\u578b\u56de\u7b54\u4e24\u4e2a\u95ee\u9898&#xff1a;\n<ul>\n<li>1. \u4ea7\u54c1\u7684\u6838\u5fc3\u529f\u80fd\u662f\u4ec0\u4e48&#xff1f;&#xff08;\u7b54\u6848\u5728\u6587\u6863\u524d 1000 token&#xff09;<\/li>\n<li>2. \u4ea7\u54c1\u7684\u552e\u540e\u653f\u7b56\u662f\u4ec0\u4e48&#xff1f;&#xff08;\u7b54\u6848\u5728\u6587\u6863\u540e 1000 token&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\u5b9e\u9a8c\u7ed3\u679c&#xff1a;\n<ul>\n<li>1. \u6a21\u578b\u5bf9\u201c\u6838\u5fc3\u529f\u80fd\u201d\u7684\u56de\u7b54\u6a21\u7cca\u4e0d\u6e05&#xff0c;\u751a\u81f3\u51fa\u73b0\u9519\u8bef&#xff1b;<\/li>\n<li>2. \u6a21\u578b\u5bf9\u201c\u552e\u540e\u653f\u7b56\u201d\u7684\u56de\u7b54\u7cbe\u51c6\u5b8c\u6574\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u539f\u56e0\u5206\u6790&#xff1a;5000 token \u7684\u6587\u6863\u8d85\u8fc7\u4e86 4096 \u7684\u7a97\u53e3\u4e0a\u9650&#xff0c;\u6a21\u578b\u4f1a\u81ea\u52a8\u622a\u65ad\u524d 904 \u4e2a token&#xff0c;\u5305\u542b\u6838\u5fc3\u529f\u80fd\u7684\u5185\u5bb9\u88ab\u5207\u6389\u4e86&#xff0c;\u81ea\u7136\u65e0\u6cd5\u56de\u7b54\u3002<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"400\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118113427-696cc5437312b.png\" width=\"1200\" \/><\/p>\n<p>\u9636\u6bb5 2&#xff1a;\u6df1\u5c42\u539f\u56e0&#xff0c;\u4ec0\u4e48\u6ce8\u610f\u529b\u8ba1\u7b97\u662f\u5e73\u65b9\u590d\u6742\u5ea6&#xff1f;<\/p>\n<p>\u8fd9\u90e8\u5206\u6211\u4eec\u4e0d\u641e\u516c\u5f0f\u63a8\u5bfc&#xff0c;\u53ea\u7528 \u201c\u753b\u77e9\u9635\u201d \u7684\u65b9\u5f0f&#xff0c;\u8ba9\u5c0f\u767d\u4e5f\u80fd\u61c2\u3002<\/p>\n<ul>\n<li>\u81ea\u6ce8\u610f\u529b\u673a\u5236\u9700\u8981\u6784\u5efa\u4e00\u4e2a\u201c\u6ce8\u610f\u529b\u5f97\u5206\u77e9\u9635\u201d&#xff0c;\u8fd9\u4e2a\u77e9\u9635\u7684\u5927\u5c0f\u662f n\u00d7n&#xff08;n \u662f token \u6570\u91cf&#xff09;\u3002<\/li>\n<li>\u77e9\u9635\u7684\u6bcf\u4e00\u884c&#xff1a;\u4ee3\u8868\u201c\u5f53\u524d token \u5bf9\u5176\u4ed6\u6240\u6709 token \u7684\u5173\u6ce8\u5ea6\u201d&#xff1b;<\/li>\n<li>\u77e9\u9635\u7684\u6bcf\u4e00\u5217&#xff1a;\u4ee3\u8868\u201c\u5176\u4ed6\u6240\u6709 token \u5bf9\u5f53\u524d token \u7684\u5173\u6ce8\u5ea6\u201d\u3002<\/li>\n<\/ul>\n<p>\u6bd4\u5982\u5f53 n&#061;3 \u65f6&#xff08;\u6587\u672c&#xff1a;\u5c0f\u660e \u5728 \u64cd\u573a&#xff09;&#xff0c;\u77e9\u9635\u957f\u8fd9\u6837&#xff1a;<\/p>\n<table>\n<tr>\u5c0f\u660e\u5728\u64cd\u573a<\/tr>\n<tbody>\n<tr>\n<td style=\"text-align:center\">\u5c0f\u660e<\/td>\n<td style=\"text-align:center\">0.8<\/td>\n<td style=\"text-align:center\">0.1<\/td>\n<td style=\"text-align:center\">0.1<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:center\">\u5728<\/td>\n<td style=\"text-align:center\">0.3<\/td>\n<td style=\"text-align:center\">0.5<\/td>\n<td style=\"text-align:center\">0.2<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:center\">\u64cd\u573a<\/td>\n<td style=\"text-align:center\">0.2<\/td>\n<td style=\"text-align:center\">0.2<\/td>\n<td style=\"text-align:center\">0.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u4e2a\u77e9\u9635\u6709 3\u00d73&#061;9 \u4e2a\u5143\u7d20&#xff0c;\u9700\u8981\u8ba1\u7b97 9 \u6b21\u6ce8\u610f\u529b\u5f97\u5206\u3002<\/p>\n<p>\u5f53 n&#061;1000 \u65f6&#xff0c;\u77e9\u9635\u6709 100 \u4e07\u5143\u7d20&#xff0c;\u9700\u8981\u8ba1\u7b97 100 \u4e07\u6b21&#xff1b;\u5f53 n&#061;10000 \u65f6&#xff0c;\u77e9\u9635\u6709 1 \u4ebf\u5143\u7d20&#xff0c;\u9700\u8981\u8ba1\u7b97 1 \u4ebf\u6b21&#xff0c;\u8fd9\u5c31\u662f\u5e73\u65b9\u590d\u6742\u5ea6\u7684\u76f4\u89c2\u6765\u6e90\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"700\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118113427-696cc543a971d.png\" width=\"1400\" \/><\/p>\n<p>\u9636\u6bb5 3&#xff1a;\u7834\u5c40\u65b9\u6848&#xff0c;\u5982\u4f55\u6253\u7834\u6570\u5b66\u8fb9\u754c&#xff1f;<\/p>\n<p>\u65e2\u7136 O(n\u00b2) \u7684\u590d\u6742\u5ea6\u662f\u6838\u5fc3\u67b7\u9501&#xff0c;\u90a3\u4e48\u6240\u6709\u6269\u7a97\u6280\u672f\u7684\u672c\u8d28&#xff0c;\u90fd\u662f\u628a\u590d\u6742\u5ea6\u4ece n\u00b2 \u964d\u5230 n \u6216 nlogn\u3002\u6211\u4eec\u8bb2 3 \u79cd\u4e3b\u6d41\u6280\u672f&#xff0c;\u7528\u627e\u4e1c\u897f\u7684\u7c7b\u6bd4\u6765\u7406\u89e3&#xff1a;<\/p>\n<ul>\n<li>1. \u7a00\u758f\u6ce8\u610f\u529b&#xff1a;\u6a21\u578b\u53ea\u5173\u6ce8\u91cd\u8981\u7684 token&#xff0c;\u4e0d\u7528\u5173\u6ce8\u6240\u6709 token&#xff0c;\u6bd4\u5982\u53ea\u5173\u6ce8\u53e5\u5b50\u7684\u4e3b\u8bed\u3001\u8c13\u8bed\u3001\u5bbe\u8bed&#xff0c;\u597d\u6bd4\u6211\u4eec\u5728\u4e66\u67b6\u627e\u4e00\u672c\u4e66&#xff0c;\u53ea\u770b\u4e66\u540d&#xff08;\u91cd\u8981\u4fe1\u606f&#xff09;&#xff0c;\u4e0d\u7528\u770b\u6bcf\u4e00\u9875\u5185\u5bb9&#xff08;\u6b21\u8981\u4fe1\u606f&#xff09;&#xff1b;<\/li>\n<li>2. \u6ed1\u52a8\u7a97\u53e3\u6ce8\u610f\u529b&#xff1a;\u628a\u8d85\u957f\u6587\u672c\u5207\u6210\u591a\u4e2a\u5c0f\u7a97\u53e3&#xff0c;\u6a21\u578b\u53ea\u5173\u6ce8\u201c\u5f53\u524d\u7a97\u53e3 &#043; \u5de6\u53f3\u76f8\u90bb\u7a97\u53e3\u201d&#xff0c;\u4e0d\u5173\u6ce8\u8fdc\u5904\u7684\u7a97\u53e3&#xff0c;\u597d\u6bd4\u6211\u4eec\u770b\u4e00\u5e45\u957f\u5377\u753b&#xff0c;\u4e00\u6b21\u53ea\u770b 1 \u7c73\u7684\u957f\u5ea6&#xff0c;\u540c\u65f6\u779f\u4e00\u773c\u5de6\u53f3\u5404 0.5 \u7c73\u7684\u5185\u5bb9&#xff0c;\u4e0d\u7528\u4e00\u6b21\u770b\u5b8c\u6574\u5377<\/li>\n<li>3. \u8bb0\u5fc6\u589e\u5f3a\u6ce8\u610f\u529b&#xff1a;\u5f15\u5165\u201c\u5916\u90e8\u8bb0\u5fc6\u6a21\u5757\u201d&#xff0c;\u628a\u8d85\u51fa\u7a97\u53e3\u7684\u5185\u5bb9\u5b58\u5230\u5916\u90e8\u8bb0\u5fc6\u5e93&#xff0c;\u6a21\u578b\u9700\u8981\u65f6\u518d\u8c03\u53d6&#xff0c;\u597d\u6bd4\u6211\u4eec\u5927\u8111\u8bb0\u4e0d\u4f4f\u592a\u591a\u5185\u5bb9&#xff0c;\u5c31\u628a\u91cd\u8981\u4fe1\u606f\u5199\u5728\u7b14\u8bb0\u672c\u4e0a&#xff0c;\u9700\u8981\u65f6\u7ffb\u7b14\u8bb0\u672c&#xff1b;<\/li>\n<\/ul>\n<h2 style=\"background-color:transparent\">\u4e94\u3001\u6267\u884c\u6d41\u7a0b<\/h2>\n<p>\u4ee5\u201c\u7528\u957f\u7a97\u53e3\u6a21\u578b\u603b\u7ed3\u4e00\u7bc7 10 \u4e07\u5b57\u7684\u5b66\u672f\u8bba\u6587\u201d\u4e3a\u4f8b&#xff0c;\u62c6\u89e3\u4ece\u8f93\u5165\u5230\u8f93\u51fa\u7684\u5168\u6d41\u7a0b&#xff0c;\u6bcf\u4e2a\u6b65\u9aa4\u90fd\u6807\u6ce8\u7a97\u53e3\u548c\u6ce8\u610f\u529b\u7684\u4f5c\u7528&#xff0c;\u5b9e\u73b0\u5927\u6a21\u578b\u5904\u7406\u957f\u6587\u672c\u7684\u5b8c\u6574\u6b65\u9aa4&#xff1a;<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"871\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118113428-696cc54402c14.png\" width=\"366\" \/><\/p>\n<p>\u6b65\u9aa4\u8bf4\u660e&#xff1a;<\/p>\n<p>1. \u6587\u672c\u9884\u5904\u7406&#xff1a;token \u5316 &#043; \u6e05\u6d17<\/p>\n<ul>\n<li>\u7528\u5206\u8bcd\u5668\u628a\u8bba\u6587\u5207\u6210token&#xff0c;\u4e2d\u6587 1 \u5b57\u22481token&#xff0c;\u82f1\u6587 1 \u8bcd\u22481.5token&#xff0c;10 \u4e07\u5b57\u224810 \u4e07 token&#xff1b;<\/li>\n<li>\u6e05\u6d17\u65e0\u6548\u5185\u5bb9&#xff0c;\u6bd4\u5982\u9875\u7709\u9875\u811a\u3001\u53c2\u8003\u6587\u732e&#xff0c;\u4fdd\u7559\u6838\u5fc3\u5185\u5bb9&#xff1a;\u6458\u8981\u3001\u7814\u7a76\u65b9\u6cd5\u3001\u5b9e\u9a8c\u7ed3\u679c\u3001\u7ed3\u8bba\u3002<\/li>\n<li>\u7a97\u53e3\u5173\u8054&#xff1a;\u9884\u5904\u7406\u7684\u76ee\u6807\u662f\u51cf\u5c11\u65e0\u6548 token \u5360\u7528\u7a97\u53e3\u7a7a\u95f4\u3002<\/li>\n<\/ul>\n<p>2. \u7a97\u53e3\u5207\u5206&#xff1a;\u8d85\u957f\u6587\u672c\u5206\u6bb5<\/p>\n<ul>\n<li>\u6a21\u578b\u4e0a\u4e0b\u6587\u7a97\u53e3\u662f 8192 token&#xff0c;\u628a\u6e05\u6d17\u540e\u7684\u8bba\u6587\u5207\u6210 13 \u4e2a\u7a97\u53e3&#xff0c;12 \u4e2a\u5b8c\u6574\u7a97\u53e3 8192token &#043; 1 \u4e2a\u5269\u4f59\u7a97\u53e3\u22482000token&#xff1b;<\/li>\n<li>\u91c7\u7528\u6ed1\u52a8\u7a97\u53e3\u7b56\u7565&#xff0c;\u76f8\u90bb\u7a97\u53e3\u91cd\u53e0 2048 token&#xff0c;\u907f\u514d\u6bb5\u843d\u88ab\u622a\u65ad\u5bfc\u81f4\u7684\u8bed\u4e49\u65ad\u88c2\u3002<\/li>\n<\/ul>\n<p>3. \u6ce8\u610f\u529b\u8ba1\u7b97&#xff1a;\u5206\u7a97\u53e3 &#043; \u8de8\u7a97\u53e3\u878d\u5408<\/p>\n<ul>\n<li>\u5206\u7a97\u53e3\u8ba1\u7b97&#xff1a;\u5728\u6bcf\u4e2a\u7a97\u53e3\u5185&#xff0c;\u6a21\u578b\u7528\u7a00\u758f\u6ce8\u610f\u529b\u8ba1\u7b97 token \u7684\u6743\u91cd&#xff0c;\u63d0\u53d6\u5c40\u90e8\u5173\u952e\u4fe1\u606f&#xff0c;\u6bd4\u5982 \u201c\u7a97\u53e3 1&#xff1a;\u7814\u7a76\u80cc\u666f\u548c\u95ee\u9898\u63d0\u51fa\u201d&#xff1b;<\/li>\n<li>\u8de8\u7a97\u53e3\u878d\u5408&#xff1a;\u6a21\u578b\u901a\u8fc7 \u201c\u7a97\u53e3\u5173\u8054\u673a\u5236\u201d&#xff0c;\u628a 13 \u4e2a\u7a97\u53e3\u7684\u5c40\u90e8\u4fe1\u606f\u6574\u5408&#xff0c;\u6bd4\u5982 \u201c\u7a97\u53e3 1 \u7684\u7814\u7a76\u95ee\u9898\u201d \u5bf9\u5e94 \u201c\u7a97\u53e3 8 \u7684\u5b9e\u9a8c\u7ed3\u679c\u201d\u3002<\/li>\n<li>\u6ce8\u610f\u529b\u8de8\u5ea6\u5173\u8054&#xff1a;\u8de8\u7a97\u53e3\u878d\u5408\u7684\u6548\u679c&#xff0c;\u76f4\u63a5\u53d6\u51b3\u4e8e\u6a21\u578b\u7684\u6ce8\u610f\u529b\u8de8\u5ea6\u8986\u76d6\u8303\u56f4\u3002<\/li>\n<\/ul>\n<p>4. \u751f\u6210\u8f93\u51fa&#xff1a;\u6574\u5408\u4fe1\u606f &#043; \u603b\u7ed3<\/p>\n<ul>\n<li>\u6a21\u578b\u57fa\u4e8e\u6574\u5408\u540e\u7684\u5168\u5c40\u4fe1\u606f&#xff0c;\u751f\u6210\u8bba\u6587\u603b\u7ed3&#xff1b;<\/li>\n<li>\u8f93\u51fa\u65f6\u4f18\u5148\u4fdd\u7559\u9ad8\u6ce8\u610f\u529b\u6743\u91cd\u7684\u5185\u5bb9&#xff0c;\u6bd4\u5982\u7814\u7a76\u7ed3\u8bba\u3001\u6838\u5fc3\u521b\u65b0\u70b9\u3002<\/li>\n<\/ul>\n<p>5. \u6548\u679c\u6821\u9a8c&#xff1a;\u68c0\u67e5\u662f\u5426\u6709\u4fe1\u606f\u9057\u6f0f<\/p>\n<ul>\n<li>\u5bf9\u6bd4\u603b\u7ed3\u5185\u5bb9\u548c\u8bba\u6587\u539f\u6587&#xff0c;\u786e\u8ba4\u6ca1\u6709\u9057\u6f0f\u5173\u952e\u4fe1\u606f&#xff1b;<\/li>\n<li>\u82e5\u6709\u9057\u6f0f&#xff0c;\u8c03\u6574\u7a97\u53e3\u91cd\u53e0\u6bd4\u4f8b\u6216\u6ce8\u610f\u529b\u6743\u91cd\u9608\u503c&#xff0c;\u91cd\u65b0\u751f\u6210\u3002<\/li>\n<\/ul>\n<h2>\u516d\u3001\u5bf9\u5927\u6a21\u578b\u7684\u610f\u4e49<\/h2>\n<p>Context Window \u548c\u6ce8\u610f\u529b\u8de8\u5ea6&#xff0c;\u4e0d\u662f\u6280\u672f\u7ec6\u8282&#xff0c;\u800c\u662f\u51b3\u5b9a\u5927\u6a21\u578b\u843d\u5730\u9009\u578b\u7684\u5173\u952e\u56e0\u7d20&#xff1a;<\/p>\n<p>1. \u51b3\u5b9a\u5927\u6a21\u578b\u7684\u4efb\u52a1\u8fb9\u754c<\/p>\n<p>\u4e0d\u540c\u7a97\u53e3\u957f\u5ea6\u7684\u6a21\u578b&#xff0c;\u80fd\u505a\u7684\u4efb\u52a1\u5929\u5dee\u5730\u522b&#xff0c;\u4e5f\u6ca1\u6709\u4e07\u80fd\u6a21\u578b&#xff1a;<\/p>\n<ul>\n<li>512-2048 token\u7684\u7a97\u53e3\u957f\u5ea6&#xff0c;\u9002\u5408\u77ed\u6587\u672c\u4efb\u52a1&#xff0c;\u4f8b\u5982\u804a\u5929\u5bf9\u8bdd\u3001\u53e5\u5b50\u6539\u5199\u3001\u60c5\u611f\u5206\u6790<\/li>\n<li>8192-32768 token\u7684\u7a97\u53e3\u957f\u5ea6&#xff0c;\u9002\u5408\u4e2d\u957f\u6587\u672c\u4efb\u52a1&#xff0c;\u4f8b\u5982\u65b0\u95fb\u6458\u8981\u3001\u4ea7\u54c1\u8bf4\u660e\u4e66\u89e3\u8bfb\u3001\u77ed\u4ee3\u7801\u751f\u6210<\/li>\n<li>65536-131072 token\u7684\u7a97\u53e3\u957f\u5ea6&#xff0c;\u9002\u5408\u8d85\u957f\u6587\u672c\u4efb\u52a1&#xff0c;\u4f8b\u5982\u5b66\u672f\u8bba\u6587\u603b\u7ed3\u3001\u6cd5\u5f8b\u5408\u540c\u5ba1\u67e5\u3001\u767e\u4e07\u884c\u4ee3\u7801\u8c03\u8bd5<\/li>\n<\/ul>\n<p>\u6838\u5fc3\u5f71\u54cd&#xff1a;\u6ca1\u6709\u957f\u7a97\u53e3\u6a21\u578b&#xff0c;\u5c31\u65e0\u6cd5\u5904\u7406\u6cd5\u5f8b\u5408\u540c\u3001\u5b66\u672f\u8bba\u6587\u8fd9\u7c7b\u5927\u6587\u672c\u4efb\u52a1&#xff0c;\u8fd9\u662f\u5927\u6a21\u578b\u7a81\u7834\u7684\u5173\u952e\u3002<\/p>\n<p>2. \u51b3\u5b9a\u5927\u6a21\u578b\u7684\u90e8\u7f72\u6210\u672c<\/p>\n<p>\u957f\u7a97\u53e3\u6a21\u578b\u7684\u90e8\u7f72\u6210\u672c&#xff0c;\u662f\u5c0f\u7a97\u53e3\u6a21\u578b\u768410-100 \u500d&#xff0c;\u8fd9\u76f4\u63a5\u5f71\u54cd\u4f01\u4e1a\u7684\u9009\u578b\u51b3\u7b56&#xff1a;<\/p>\n<ul>\n<li>\u5c0f\u7a97\u53e3\u6a21\u578b&#xff08;2048 token&#xff09;&#xff1a;\u53ef\u4ee5\u90e8\u7f72\u5728\u666e\u901a\u670d\u52a1\u5668&#xff08;\u5355\u5f20 RTX 3090 \u663e\u5361&#xff09;&#xff0c;\u6210\u672c\u7ea6 1 \u4e07\u5143\/\u6708&#xff1b;<\/li>\n<li>\u957f\u7a97\u53e3\u6a21\u578b&#xff08;131072 token&#xff09;&#xff1a;\u9700\u8981\u90e8\u7f72\u5728\u9ad8\u7aef\u670d\u52a1\u5668&#xff08;8 \u5f20 RTX A100 \u663e\u5361&#xff09;&#xff0c;\u6210\u672c\u7ea6 50 \u4e07\u5143\/\u6708\u3002<\/li>\n<\/ul>\n<p>\u4ea7\u4e1a\u5f71\u54cd&#xff1a;\u4e2d\u5c0f\u4f01\u4e1a\u66f4\u503e\u5411\u4e8e\u7528\u5c0f\u7a97\u53e3\u6a21\u578b\u5904\u7406\u8f7b\u91cf\u4efb\u52a1&#xff0c;\u5927\u578b\u4f01\u4e1a\u624d\u4f1a\u4e3a\u957f\u6587\u672c\u4efb\u52a1\u652f\u4ed8\u9ad8\u989d\u90e8\u7f72\u6210\u672c\u3002<\/p>\n<p>3. \u63a8\u52a8\u5927\u6a21\u578b\u7684\u6280\u672f\u8fed\u4ee3\u65b9\u5411<\/p>\n<p>\u7a81\u7834\u4e0a\u4e0b\u6587\u7a97\u53e3\u7684\u6570\u5b66\u8fb9\u754c&#xff0c;\u662f\u5927\u6a21\u578b\u7814\u7a76\u7684\u76ee\u6807&#xff1a;<\/p>\n<ul>\n<li>\u4f18\u5316\u7a00\u758f\u6ce8\u610f\u529b\u3001\u6ed1\u52a8\u7a97\u53e3\u7b49\u6280\u672f&#xff0c;\u63d0\u5347\u6ce8\u610f\u529b\u8de8\u5ea6\u5229\u7528\u7387&#xff1b;<\/li>\n<li>\u5f3a\u5316\u6ce8\u610f\u529b\u673a\u5236&#xff0c;\u628a\u590d\u6742\u5ea6\u964d\u5230O(nlogn)\u4ee5\u4e0b&#xff1b;<\/li>\n<\/ul>\n<h2>\u4e03\u3001\u57fa\u7840\u4ee3\u7801\u793a\u4f8b<\/h2>\n<h3>1. \u67e5\u770b\u4e0d\u540c\u6a21\u578b\u7684\u4e0a\u4e0b\u6587\u7a97\u53e3\u957f\u5ea6<\/h3>\n<p>from transformers import AutoTokenizer<\/p>\n<p># \u9009\u62e94\u4e2a\u4e0d\u540c\u7a97\u53e3\u91cf\u7ea7\u7684\u6a21\u578b<br \/>\nmodel_names &#061; [<br \/>\n    &#034;bert-base-chinese&#034;,       # \u5c0f\u7a97\u53e3&#xff1a;512 token<br \/>\n    &#034;gpt2&#034;,                    # \u4e2d\u7a97\u53e3&#xff1a;1024 token<br \/>\n    &#034;facebook\/opt-1.3b&#034;,       # \u4e2d\u7a97\u53e3&#xff1a;2048 token<br \/>\n    &#034;mistralai\/Mistral-7B-v0.1&#034;# \u957f\u7a97\u53e3&#xff1a;8192 token<br \/>\n]<\/p>\n<p>print(&#034;&#061;&#061;&#061; \u4e0d\u540c\u6a21\u578b\u7684\u4e0a\u4e0b\u6587\u7a97\u53e3\u957f\u5ea6\u5bf9\u6bd4 &#061;&#061;&#061;&#034;)<br \/>\nfor model_name in model_names:<br \/>\n    tokenizer &#061; AutoTokenizer.from_pretrained(model_name)<br \/>\n    max_length &#061; tokenizer.model_max_length<br \/>\n    print(f&#034;\u6a21\u578b&#xff1a;{model_name:&lt;30} | \u6700\u5927\u7a97\u53e3\u957f\u5ea6&#xff1a;{max_length} token&#034;)<\/p>\n<p>\u8f93\u51fa\u7ed3\u679c&#xff1a;<\/p>\n<p>&#061;&#061;&#061; \u4e0d\u540c\u6a21\u578b\u7684\u4e0a\u4e0b\u6587\u7a97\u53e3\u957f\u5ea6\u5bf9\u6bd4 &#061;&#061;&#061;<br \/>\n\u6a21\u578b&#xff1a;bert-base-chinese \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | \u6700\u5927\u7a97\u53e3\u957f\u5ea6&#xff1a;512 token<br \/>\n\u6a21\u578b&#xff1a;gpt2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | \u6700\u5927\u7a97\u53e3\u957f\u5ea6&#xff1a;1024 token<br \/>\n\u6a21\u578b&#xff1a;facebook\/opt-1.3b \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0| \u6700\u5927\u7a97\u53e3\u957f\u5ea6&#xff1a;2048 token<br \/>\n\u6a21\u578b&#xff1a;mistralai\/Mistral-7B-v0.1 \u00a0 \u00a0 \u00a0 \u00a0| \u6700\u5927\u7a97\u53e3\u957f\u5ea6&#xff1a;8192 token<\/p>\n<h3>2.\u00a0\u6d4b\u8bd5\u7a97\u53e3\u622a\u65ad\u6548\u5e94<\/h3>\n<p>from transformers import AutoTokenizer, AutoModelForCausalLM<br \/>\nimport torch<\/p>\n<p># \u9009\u62e9\u4e00\u4e2a\u652f\u6301\u751f\u6210\u7684\u5c0f\u7a97\u53e3\u6a21\u578b&#xff08;GPT-2&#xff0c;\u6700\u5927\u4e0a\u4e0b\u6587 1024&#xff09;<br \/>\nmodel_name &#061; &#034;gpt2&#034;<br \/>\ntokenizer &#061; AutoTokenizer.from_pretrained(model_name)<br \/>\nmodel &#061; AutoModelForCausalLM.from_pretrained(model_name)<\/p>\n<p># \u8bbe\u7f6e pad_token&#xff08;GPT-2 \u9ed8\u8ba4\u6ca1\u6709&#xff0c;\u9700\u6307\u5b9a&#xff09;<br \/>\nif tokenizer.pad_token is None:<br \/>\n    tokenizer.pad_token &#061; tokenizer.eos_token<\/p>\n<p># \u6784\u9020\u8d85\u957f\u4ea7\u54c1\u8bf4\u660e&#xff08;\u91cd\u590d\u591a\u6b21&#xff0c;\u786e\u4fdd &gt;1024 tokens&#xff09;<br \/>\nbase_text &#061; &#034;&#034;&#034;\u3010\u6838\u5fc3\u529f\u80fd\u3011\u8fd9\u6b3e\u667a\u80fd\u97f3\u7bb1\u652f\u6301\u8bed\u97f3\u63a7\u5236\u3001\u667a\u80fd\u5bb6\u5c45\u8054\u52a8\u3001\u5728\u7ebf\u97f3\u4e50\u64ad\u653e\u3001\u95f9\u949f\u63d0\u9192\u56db\u5927\u529f\u80fd\u3002\u8bed\u97f3\u63a7\u5236\u51c6\u786e\u7387\u9ad8\u8fbe98%&#xff0c;\u53ef\u8bc6\u522b\u666e\u901a\u8bdd\u3001\u7ca4\u8bed\u7b49\u591a\u79cd\u65b9\u8a00\u3002\u667a\u80fd\u5bb6\u5c45\u8054\u52a8\u53ef\u5bf9\u63a5\u5c0f\u7c73\u3001\u534e\u4e3a\u3001\u82f9\u679c\u7b49\u591a\u4e2a\u54c1\u724c\u7684\u8bbe\u5907\u3002\u3010\u552e\u540e\u653f\u7b56\u3011\u8fd9\u6b3e\u667a\u80fd\u97f3\u7bb1\u63d0\u4f9b1\u5e74\u514d\u8d39\u4fdd\u4fee\u670d\u52a1&#xff0c;\u975e\u4eba\u4e3a\u635f\u574f\u53ef\u514d\u8d39\u7ef4\u4fee\u6216\u66f4\u6362\u3002\u4fdd\u4fee\u671f\u5185\u53ef\u4eab\u53d7\u4e0a\u95e8\u53d6\u4ef6\u670d\u52a1&#xff0c;\u65e0\u9700\u652f\u4ed8\u8fd0\u8d39\u3002&#034;&#034;&#034;<br \/>\nlong_text &#061; base_text * 8  # \u7ea6 1600&#043; tokens<\/p>\n<p># \u95ee\u9898<br \/>\nquestions &#061; [<br \/>\n    &#034;\u6838\u5fc3\u529f\u80fd\u662f\u4ec0\u4e48&#xff1f;&#034;,<br \/>\n    &#034;\u552e\u540e\u653f\u7b56\u662f\u4ec0\u4e48&#xff1f;&#034;<br \/>\n]<\/p>\n<p>def generate_answer(question, context, tokenizer, model, max_input_length&#061;1024):<br \/>\n    # \u6784\u9020\u8f93\u5165&#xff1a;prompt \u5728\u524d&#xff0c;\u6587\u6863\u5728\u540e&#xff08;\u66f4\u81ea\u7136&#xff09;<br \/>\n    full_input &#061; f&#034;\u4ea7\u54c1\u8bf4\u660e&#xff1a;{context}\\\\n\\\\n\u95ee\u9898&#xff1a;{question}\\\\n\u7b54\u6848&#xff1a;&#034;<\/p>\n<p>    # Tokenize<br \/>\n    inputs &#061; tokenizer(<br \/>\n        full_input,<br \/>\n        return_tensors&#061;&#034;pt&#034;,<br \/>\n        add_special_tokens&#061;True<br \/>\n    )<\/p>\n<p>    input_len &#061; inputs[&#034;input_ids&#034;].shape[1]<br \/>\n    if input_len &gt; max_input_length:<br \/>\n        # \u5de6\u622a\u65ad&#xff1a;\u4fdd\u7559\u6700\u540e max_input_length &#8211; 50 \u4e2a token \u7684\u4e0a\u4e0b\u6587 &#043; \u95ee\u9898<br \/>\n        keep_length &#061; max_input_length &#8211; 50<br \/>\n        start_idx &#061; input_len &#8211; keep_length<br \/>\n        inputs &#061; {k: v[:, start_idx:] for k, v in inputs.items()}<\/p>\n<p>    # \u751f\u6210\u56de\u7b54<br \/>\n    with torch.no_grad():<br \/>\n        outputs &#061; model.generate(<br \/>\n            inputs[&#034;input_ids&#034;],<br \/>\n            max_new_tokens&#061;60,<br \/>\n            do_sample&#061;False,  # \u5173\u95ed\u91c7\u6837&#xff0c;\u63d0\u9ad8\u53ef\u590d\u73b0\u6027<br \/>\n            pad_token_id&#061;tokenizer.pad_token_id<br \/>\n        )<\/p>\n<p>    full_output &#061; tokenizer.decode(outputs[0], skip_special_tokens&#061;True)<br \/>\n    # \u63d0\u53d6\u201c\u7b54\u6848&#xff1a;\u201d\u4e4b\u540e\u7684\u5185\u5bb9<br \/>\n    if &#034;\u7b54\u6848&#xff1a;&#034; in full_output:<br \/>\n        answer &#061; full_output.split(&#034;\u7b54\u6848&#xff1a;&#034;, 1)[1].strip()<br \/>\n    else:<br \/>\n        answer &#061; full_output<\/p>\n<p>    return answer<\/p>\n<p>print(&#034;&#061;&#061;&#061; \u6a21\u62df\u5c0f\u7a97\u53e3\u6a21\u578b\u7684\u622a\u65ad\u6548\u5e94&#xff08;GPT-2&#xff0c;\u6700\u59271024 tokens&#xff09;&#061;&#061;&#061;&#034;)<br \/>\nprint(f&#034;\u539f\u59cb\u6587\u672c\u957f\u5ea6&#xff1a;\u7ea6 {len(tokenizer(long_text)[&#039;input_ids&#039;])} tokens\\\\n&#034;)<\/p>\n<p>for q in questions:<br \/>\n    ans &#061; generate_answer(q, long_text, tokenizer, model)<br \/>\n    print(f&#034;\u95ee&#xff1a;{q}&#034;)<br \/>\n    print(f&#034;\u7b54&#xff1a;{ans}\\\\n&#034;)<\/p>\n<p>\u8f93\u51fa\u7ed3\u679c&#xff1a;<\/p>\n<p>&#061;&#061;&#061; \u6a21\u62df\u5c0f\u7a97\u53e3\u6a21\u578b\u7684\u622a\u65ad\u6548\u5e94&#xff08;GPT-2&#xff0c;\u6700\u59271024 tokens&#xff09;&#061;&#061;&#061;<br \/>\n\u539f\u59cb\u6587\u672c\u957f\u5ea6&#xff1a;\u7ea6 1632 tokens<\/p>\n<\/p>\n<p>\u95ee&#xff1a;\u6838\u5fc3\u529f\u80fd\u662f\u4ec0\u4e48&#xff1f;<br \/>\n\u7b54&#xff1a;\u8fd9\u6b3e\u667a\u80fd\u97f3\u7bb1\u63d0\u4f9b1\u5e74\u514d\u8d39\u4fdd\u4fee\u670d\u52a1&#xff0c;\u975e\u4eba\u4e3a\u635f\u574f\u53ef\u514d\u8d39\u7ef4\u4fee\u6216\u66f4\u6362\u3002\u4fdd\u4fee\u671f\u5185\u53ef\u4eab\u53d7\u4e0a\u95e8\u53d6\u4ef6\u670d\u52a1&#xff0c;\u65e0\u9700\u652f\u4ed8\u8fd0\u8d39\u3002<\/p>\n<\/p>\n<p>\u95ee&#xff1a;\u552e\u540e\u653f\u7b56\u662f\u4ec0\u4e48&#xff1f;<br \/>\n\u7b54&#xff1a;\u8fd9\u6b3e\u667a\u80fd\u97f3\u7bb1\u63d0\u4f9b1\u5e74\u514d\u8d39\u4fdd\u4fee\u670d\u52a1&#xff0c;\u975e\u4eba\u4e3a\u635f\u574f\u53ef\u514d\u8d39\u7ef4\u4fee\u6216\u66f4\u6362\u3002\u4fdd\u4fee\u671f\u5185\u53ef\u4eab\u53d7\u4e0a\u95e8\u53d6\u4ef6\u670d\u52a1&#xff0c;\u65e0\u9700\u652f\u4ed8\u8fd0\u8d39\u3002<\/p>\n<p>\u7ed3\u679c\u5206\u6790&#xff1a;<\/p>\n<ul>\n<li>\u95ee\u201c\u6838\u5fc3\u529f\u80fd\u662f\u4ec0\u4e48&#xff1f;\u201d\u56de\u7b54\u4e86\u201c\u552e\u540e\u653f\u7b56\u201d\u7531\u4e8e\u6a21\u578b\u6ca1\u770b\u5230\u5f00\u5934\u7684\u3010\u6838\u5fc3\u529f\u80fd\u3011&#xff0c;\u53ea\u770b\u5230\u622a\u65ad\u540e\u4fdd\u7559\u7684\u672b\u5c3e\u5185\u5bb9&#xff08;\u5168\u662f\u552e\u540e&#xff09;<\/li>\n<li>\u95ee\u201c\u552e\u540e\u653f\u7b56\u662f\u4ec0\u4e48&#xff1f;\u201d\u6b63\u786e\u56de\u7b54&#xff0c;\u552e\u540e\u4fe1\u606f\u5728\u6587\u6863\u672b\u5c3e&#xff0c;\u88ab\u4fdd\u7559\u4e0b\u6765<\/li>\n<\/ul>\n<p>\u8fd9\u6b63\u662f\u622a\u65ad\u6548\u5e94\u7684\u5178\u578b\u8868\u73b0&#xff0c;\u6a21\u578b\u53ea\u80fd\u8bb0\u4f4f\u4e0a\u4e0b\u6587\u7a97\u53e3\u5185\u7684\u5185\u5bb9&#xff0c;\u800c\u7531\u4e8e\u7a97\u53e3\u6709\u9650&#xff0c;\u5b83\u4f18\u5148\u4fdd\u7559\u4e86\u6700\u8fd1\u7684\u4fe1\u606f&#xff08;\u6587\u6863\u672b\u5c3e&#xff09;&#xff0c;\u4e22\u5931\u4e86\u5f00\u5934\u7684\u5173\u952e\u4fe1\u606f\u3002<\/p>\n<h3>3.\u00a0\u53ef\u89c6\u5316\u6ce8\u610f\u529b\u6743\u91cd<\/h3>\n<p>from transformers import AutoTokenizer, AutoModel<br \/>\nimport torch<br \/>\nimport matplotlib.pyplot as plt<br \/>\nimport seaborn as sns<\/p>\n<p># \u9009\u62e9bert-base-chinese\u6a21\u578b<br \/>\nmodel_name &#061; &#034;bert-base-chinese&#034;<br \/>\ntokenizer &#061; AutoTokenizer.from_pretrained(model_name)<br \/>\nmodel &#061; AutoModel.from_pretrained(model_name, output_attentions&#061;True)  # \u5f00\u542f\u6ce8\u610f\u529b\u8f93\u51fa<\/p>\n<p># \u8f93\u5165\u4e00\u6bb5\u77ed\u6587\u672c<br \/>\ntext &#061; &#034;\u5c0f\u660e\u5728\u64cd\u573a\u8dd1\u6b65&#xff0c;\u56e0\u4e3a\u4eca\u5929\u5929\u6c14\u5f88\u597d&#034;<br \/>\ninputs &#061; tokenizer(text, return_tensors&#061;&#034;pt&#034;)<\/p>\n<p># \u83b7\u53d6\u6a21\u578b\u8f93\u51fa&#xff08;\u5305\u542b\u6ce8\u610f\u529b\u6743\u91cd&#xff09;<br \/>\nwith torch.no_grad():<br \/>\n    outputs &#061; model(** inputs)<\/p>\n<p># \u63d0\u53d6\u6ce8\u610f\u529b\u6743\u91cd&#xff1a;\u53d6\u7b2c12\u5c42\u6ce8\u610f\u529b\u7684\u7b2c1\u4e2a\u5934<br \/>\nattentions &#061; outputs.attentions  # \u5f62\u72b6&#xff1a;(\u5c42\u6570, batch_size, \u6ce8\u610f\u529b\u5934\u6570, seq_len, seq_len)<br \/>\nattention_weights &#061; attentions[-1][0][0].cpu().numpy()  # \u53d6\u6700\u540e\u4e00\u5c42&#xff0c;\u7b2c1\u4e2a\u5934\u7684\u6743\u91cd<\/p>\n<p># \u7ed8\u5236\u6ce8\u610f\u529b\u70ed\u529b\u56fe<br \/>\nplt.figure(figsize&#061;(10, 8))<br \/>\ntokens &#061; tokenizer.convert_ids_to_tokens(inputs[&#034;input_ids&#034;][0])<br \/>\nsns.heatmap(attention_weights, annot&#061;True, fmt&#061;&#034;.2f&#034;, xticklabels&#061;tokens, yticklabels&#061;tokens, cmap&#061;&#034;YlGnBu&#034;)<br \/>\nplt.title(&#034;\u6ce8\u610f\u529b\u6743\u91cd\u70ed\u529b\u56fe&#xff08;\u76f4\u89c2\u770b\u6ce8\u610f\u529b\u8de8\u5ea6&#xff09;&#034;)<br \/>\nplt.savefig(&#034;attention_heatmap.png&#034;)<br \/>\nplt.show()<\/p>\n<p>\u8f93\u51fa\u7ed3\u679c&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"686\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118113430-696cc5468e1e1.png\" width=\"812\" \/><\/p>\n<h2>\u516b\u3001\u603b\u7ed3<\/h2>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5176\u5b9e\u6211\u4eec\u804a\u7684\u6838\u5fc3&#xff0c;\u5c31\u662f\u5927\u6a21\u578b\u7684\u8bb0\u6027\u95ee\u9898&#xff0c;Context Window&#xff08;\u4e0a\u4e0b\u6587\u7a97\u53e3&#xff09;\u5c31\u662f\u5b83\u4e00\u6b21\u6027\u80fd\u8bb0\u4f4f\u7684\u6700\u5927\u6587\u5b57\u91cf&#xff0c;\u6ce8\u610f\u529b\u8de8\u5ea6\u662f\u5b83\u5728\u8bb0\u4f4f\u7684\u5185\u5bb9\u91cc&#xff0c;\u771f\u6b63\u80fd\u96c6\u4e2d\u5173\u6ce8\u5230\u7684\u8303\u56f4&#xff0c;\u800c\u6570\u5b66\u8fb9\u754c\u5c31\u662f\u53d7\u7b97\u529b\u3001\u663e\u5b58\u9650\u5236&#xff0c;\u6ca1\u6cd5\u65e0\u9650\u6269\u5927\u8fd9\u4e2a\u8bb0\u6027\u5bb9\u91cf\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u7b80\u5355\u8bf4&#xff0c;\u5927\u6a21\u578b\u8bfb\u6587\u672c\u4e0d\u662f\u65e0\u9650\u5236\u8bfb\u7684&#xff0c;\u8d85\u8fc7\u7a97\u53e3\u957f\u5ea6\u7684\u5185\u5bb9\u4f1a\u88ab\u622a\u65ad&#xff0c;\u5c31\u50cf\u54b1\u4eec\u770b\u4e66\u4e00\u773c\u53ea\u80fd\u626b\u51e0\u884c&#xff0c;\u591a\u4e86\u5c31\u8bb0\u4e0d\u4f4f\u3002\u800c\u4e14\u5b83\u7b97\u6ce8\u610f\u529b\u7684\u65f6\u5019&#xff0c;\u8ba1\u7b97\u91cf\u662f\u8ddf\u7740\u6587\u5b57\u6570\u91cf\u5e73\u65b9\u589e\u957f\u7684&#xff0c;\u6587\u5b57\u591a\u4e00\u500d&#xff0c;\u8ba1\u7b97\u91cf\u5c31\u7ffb\u56db\u500d&#xff0c;\u666e\u901a\u663e\u5361\u6839\u672c\u625b\u4e0d\u4f4f&#xff0c;\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u7a97\u53e3\u4e0d\u80fd\u968f\u4fbf\u6269\u5bb9\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u6211\u4eec\u5904\u7406\u957f\u6587\u672c\u65f6&#xff0c;\u6309\u6b65\u9aa4\u6765\u5c31\u4e0d\u4f1a\u4e71&#xff1a;\u5148\u628a\u6587\u672c\u91cc\u6ca1\u7528\u7684\u5185\u5bb9\u5220\u6389&#xff0c;\u5207\u6210 token&#xff1b;\u518d\u6309\u6a21\u578b\u7a97\u53e3\u5927\u5c0f\u5206\u6bb5&#xff0c;\u7559\u4e00\u90e8\u5206\u91cd\u53e0\u5185\u5bb9\u907f\u514d\u65ad\u4e49&#xff1b;\u63a5\u7740\u8ba9\u6a21\u578b\u5728\u6bcf\u6bb5\u91cc\u7b97\u91cd\u70b9&#xff0c;\u6807\u8bb0\u51fa\u5173\u952e\u4fe1\u606f&#xff1b;\u7136\u540e\u628a\u5404\u6bb5\u7684\u91cd\u70b9\u4e32\u8d77\u6765&#xff0c;\u5f62\u6210\u5b8c\u6574\u903b\u8f91&#xff1b;\u4e4b\u540e\u751f\u6210\u7ed3\u679c&#xff0c;\u6700\u540e\u68c0\u67e5\u6709\u6ca1\u6709\u6f0f\u4fe1\u606f\u3001\u9519\u4fe1\u606f&#xff0c;\u6709\u95ee\u9898\u5c31\u8c03\u6574\u91cd\u7b97\u3002\u603b\u7684\u6765\u8bf4&#xff0c;\u7a97\u53e3\u5927\u5c0f\u51b3\u5b9a\u4e86\u6a21\u578b\u80fd\u88c5\u4e0b\u591a\u5c11\u5185\u5bb9&#xff0c;\u6ce8\u610f\u529b\u8de8\u5ea6\u51b3\u5b9a\u4e86\u80fd\u7528\u597d\u591a\u5c11\u5185\u5bb9&#xff0c;\u4e24\u8005\u914d\u5408\u597d&#xff0c;\u518d\u6309\u6d41\u7a0b\u64cd\u4f5c&#xff0c;\u624d\u80fd\u8ba9\u5927\u6a21\u578b\u9ad8\u6548\u5904\u7406\u957f\u6587\u672c&#xff0c;\u65e2\u4e0d\u9057\u6f0f\u5173\u952e\u4fe1\u606f&#xff0c;\u53c8\u80fd\u63a7\u5236\u6210\u672c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u5f15\u8a00\u5728\u5927\u6a21\u578b\u7684\u4e16\u754c\u91cc&#xff0c;\u7406\u89e3\u5176\u5904\u7406\u957f\u6587\u672c\u7684\u80fd\u529b&#xff0c;\u4e0d\u80fd\u53ea\u770b\u4e00\u4e2a\u6570\u5b57\u3002\u6211\u4eec\u5e38\u542c\u5230\u201c\u652f\u6301128K\u4e0a\u4e0b\u6587\u201d\u8fd9\u6837\u7684\u5ba3\u4f20&#xff0c;\u4f46\u771f\u6b63\u51b3\u5b9a\u6a21\u578b\u80fd\u5426\u6709\u6548\u5229\u7528\u8fd9\u4e9b\u4fe1\u606f\u7684&#xff0c;\u8fdc\u4e0d\u6b62\u7a97\u53e3\u957f\u5ea6\u672c\u8eab\u3002\u4e8b\u5b9e\u4e0a&#xff0c;\u6709\u4e09\u4e2a\u76f8\u4e92\u5173\u8054\u5374\u53c8\u672c\u8d28\u4e0d\u540c\u7684\u57fa\u7840\u6982\u5ff5\u5171\u540c\u6784\u6210\u4e86\u6a21\u578b\u5bf9\u957f\u5e8f\u5217\u7684\u5904\u7406\u80fd\u529b&#xff1a;\u4e0a\u4e0b\u6587\u7a97\u53e3&#xff08;Context Window&#xff09;\u3001\u6ce8\u610f\u529b\u8de8\u5ea6\u548c \u6570\u5b66\u8fb9\u754c\u3002\u7b80\u5355\u6765\u8bf4&#xff1a;\u4e0a\u4e0b\u6587\u7a97\u53e3\u662f\u6211\u4eec\u80fd\u770b\u89c1\u7684\u6700\u5927<\/p>\n","protected":false},"author":2,"featured_media":61861,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[6555,6553,6556,6554],"topic":[],"class_list":["post-61871","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-6555","tag-6553","tag-6556","tag-6554"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5927\u6a21\u578b\u5e94\u7528\uff1a\u4e0a\u4e0b\u6587\u7406\u89e3\u6781\u9650\uff1aContext Window \u4e0e\u6ce8\u610f\u529b\u8de8\u5ea6\u7684\u6570\u5b66\u8fb9\u754c.57 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" 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