{"id":25962,"date":"2025-05-11T15:35:57","date_gmt":"2025-05-11T07:35:57","guid":{"rendered":"http:\/\/139.9.1.231\/?p=25962"},"modified":"2025-05-28T15:28:32","modified_gmt":"2025-05-28T07:28:32","slug":"llm-tokenizer","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2025\/05\/11\/llm-tokenizer\/","title":{"rendered":"LLM\u5206\u8bcd\u5668-SentencePiece\/tiktoken\/subword-nmt"},"content":{"rendered":"\n<ul class=\"has-light-pink-background-color has-background\"><li><em><strong><a href=\"https:\/\/github.com\/google\/sentencepiece\">https:\/\/github.com\/google\/sentencepiece<\/a><\/strong><\/em><\/li><li><em><strong><a href=\"https:\/\/github.com\/openai\/tiktoken\">https:\/\/github.com\/openai\/tiktoken<\/a><\/strong><\/em><\/li><li><em><strong><a href=\"https:\/\/github.com\/rsennrich\/subword-nmt\/tree\/master\">https:\/\/github.com\/rsennrich\/subword-nmt\/tree\/master<\/a> \u3010paraformer\u4f7f\u7528\u3011<\/strong><\/em><\/li><\/ul>\n\n\n\n<h2 id=\"h_691609961_1\">SentencePiece \u7b80\u4ecb<\/h2>\n\n\n\n<p><a href=\"https:\/\/github.com\/google\/sentencepiece\"><strong><em>https:\/\/github.com\/google\/sentencepiece<\/em><\/strong><\/a><\/p>\n\n\n\n<p>SentencePiece \u662f\u4e00\u79cd\u65e0\u76d1\u7763\u7684\u6587\u672c tokenizer \u548c detokenizer\uff0c\u4e3b\u8981\u7528\u4e8e\u57fa\u4e8e\u795e\u7ecf\u7f51\u7edc\u7684\u6587\u672c\u751f\u6210\u7cfb\u7edf\uff0c\u5176\u4e2d\uff0c\u8bcd\u6c47\u91cf\u5728\u795e\u7ecf\u7f51\u7edc\u6a21\u578b\u8bad\u7ec3\u4e4b\u524d\u5c31\u5df2\u7ecf\u9884\u5148\u786e\u5b9a\u4e86\u3002 SentencePiece \u5b9e\u73b0\u4e86<strong>subword<\/strong>\u5355\u5143\uff08\u4f8b\u5982\uff0c\u5b57\u8282\u5bf9\u7f16\u7801 (BPE)\uff09\u548c unigram \u8bed\u8a00\u6a21\u578b\uff09\uff0c\u5e76\u53ef\u4ee5\u76f4\u63a5\u4ece\u539f\u59cb\u53e5\u5b50\u8bad\u7ec3\u5b57\u8bcd\u6a21\u578b(subword model)\u3002 \u8fd9\u4f7f\u5f97\u6211\u4eec\u53ef\u4ee5\u5236\u4f5c\u4e00\u4e2a\u4e0d\u4f9d\u8d56\u4e8e\u7279\u5b9a\u8bed\u8a00\u7684\u9884\u5904\u7406\u548c\u540e\u5904\u7406\u7684\u7eaf\u7cb9\u7684\u7aef\u5230\u7aef\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p>SentencePiece \u5728\u5927\u6a21\u578b\u9886\u57df\u4e3b\u8981\u7528\u4e8e\u6587\u672c\u7684&nbsp;<strong>\u5206\u8bcd<\/strong>&nbsp;\u548c&nbsp;<strong>\u7f16\u7801<\/strong>\u3002<\/p>\n\n\n\n<p><strong>\u5206\u8bcd<\/strong>&nbsp;\u662f\u5c06\u6587\u672c\u5206\u5272\u6210\u4e00\u4e2a\u4e2a\u72ec\u7acb\u7684\u8bcd\u8bed\u6216\u7b26\u53f7\u3002\u4f20\u7edf\u7684\u4e2d\u6587\u5206\u8bcd\u65b9\u6cd5\uff0c\u4f8b\u5982 BMM \u5206\u8bcd\u3001HMM \u5206\u8bcd\uff0c\u90fd\u662f\u57fa\u4e8e\u89c4\u5219\u7684\uff0c\u9700\u8981\u4eba\u5de5\u5236\u5b9a\u5206\u8bcd\u89c4\u5219\u3002\u800c SentencePiece \u5219\u662f\u57fa\u4e8e&nbsp;<strong>\u65e0\u76d1\u7763\u5b66\u4e60<\/strong>&nbsp;\u7684\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u5b66\u4e60\u6587\u672c\u7684\u8bed\u4e49\u548c\u7ed3\u6784\uff0c\u5e76\u6839\u636e\u5b66\u4e60\u7ed3\u679c\u8fdb\u884c\u5206\u8bcd\u3002<\/p>\n\n\n\n<p><strong>\u7f16\u7801<\/strong>&nbsp;\u662f\u5c06\u5206\u8bcd\u540e\u7684\u8bcd\u8bed\u6216\u7b26\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u5f62\u5f0f\uff0c\u4ee5\u4fbf\u8ba1\u7b97\u673a\u80fd\u591f\u5904\u7406\u3002SentencePiece \u4f7f\u7528\u4e86\u4e00\u79cd\u79f0\u4e3a&nbsp;<strong>\u5b57\u8282\u5bf9\u7f16\u7801<\/strong>&nbsp;\u7684\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5c06\u6bcf\u4e2a\u8bcd\u8bed\u6216\u7b26\u53f7\u7f16\u7801\u6210\u4e00\u4e2a\u6216\u591a\u4e2a\u5b57\u8282\u3002\u5b57\u8282\u5bf9\u7f16\u7801\u7684\u4f18\u70b9\u662f\u80fd\u591f\u6709\u6548\u5730\u5229\u7528\u7a7a\u95f4\uff0c\u5e76\u4e14\u53ef\u4ee5\u5c06\u8bcd\u8bed\u6216\u7b26\u53f7\u4e4b\u95f4\u7684\u5173\u7cfb\u7f16\u7801\u5230\u7f16\u7801\u4e2d\u3002<\/p>\n\n\n\n<p>SentencePiece \u5728\u5927\u6a21\u578b\u9886\u57df\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n\n\n\n<ul><li>\u5206\u8bcd\u6548\u679c\u597d\uff0c\u80fd\u591f\u51c6\u786e\u5730\u8bc6\u522b\u8bcd\u8bed\u548c\u7b26\u53f7\u7684\u8fb9\u754c\u3002<\/li><li>\u7f16\u7801\u6548\u7387\u9ad8\uff0c\u80fd\u591f\u8282\u7701\u7a7a\u95f4\u3002<\/li><li>\u80fd\u591f\u5c06\u8bcd\u8bed\u6216\u7b26\u53f7\u4e4b\u95f4\u7684\u5173\u7cfb\u7f16\u7801\u5230\u7f16\u7801\u4e2d\uff0c\u6709\u5229\u4e8e\u6a21\u578b\u5b66\u4e60\u3002<\/li><\/ul>\n\n\n\n<p>\u56e0\u6b64\uff0cSentencePiece \u5df2\u7ecf\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u5927\u6a21\u578b\uff0c\u4f8b\u5982 Google \u7684&nbsp;<a href=\"https:\/\/zhida.zhihu.com\/search?content_id=241821760&amp;content_type=Article&amp;match_order=1&amp;q=BERT&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">BERT<\/a>\u3001<a href=\"https:\/\/zhida.zhihu.com\/search?content_id=241821760&amp;content_type=Article&amp;match_order=1&amp;q=GPT-3&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">GPT-3<\/a>\uff0c\u4ee5\u53ca\u963f\u91cc\u5df4\u5df4\u7684&nbsp;<a href=\"https:\/\/zhida.zhihu.com\/search?content_id=241821760&amp;content_type=Article&amp;match_order=1&amp;q=M6&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">M6<\/a>&nbsp;\u7b49\u3002<\/p>\n\n\n\n<p>\u7b80\u5355\u6765\u8bf4\uff0cSentencePiece \u5c31\u662f\u5927\u6a21\u578b\u9886\u57df\u7684\u4e00\u4e2a&nbsp;<strong>\u5206\u8bcd\u548c\u7f16\u7801\u5de5\u5177<\/strong>\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u5927\u6a21\u578b\u66f4\u597d\u5730\u7406\u89e3\u548c\u5904\u7406\u6587\u672c\u3002<\/p>\n\n\n\n<h3 id=\"h_691609961_2\">\u81ea\u76d1\u7763\u8bad\u7ec3\u539f\u7406<\/h3>\n\n\n\n<p>SentencePiece \u7684\u81ea\u76d1\u7763\u8bad\u7ec3\u6a21\u578b\u539f\u7406\u662f\u901a\u8fc7&nbsp;<strong>\u65e0\u76d1\u7763\u5b66\u4e60<\/strong>&nbsp;\u7684\u65b9\u5f0f\uff0c\u5b66\u4e60\u6587\u672c\u7684\u8bed\u4e49\u548c\u7ed3\u6784\uff0c\u5e76\u6839\u636e\u5b66\u4e60\u7ed3\u679c\u8fdb\u884c\u5206\u8bcd\u548c\u7f16\u7801\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u6765\u8bf4\uff0cSentencePiece \u7684\u8bad\u7ec3\u8fc7\u7a0b\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol><li><strong>\u6570\u636e\u51c6\u5907<\/strong>\uff1a\u9996\u5148\u9700\u8981\u51c6\u5907\u4e00\u4e2a\u6587\u672c\u8bed\u6599\u5e93\uff0c\u8bed\u6599\u5e93\u4e2d\u7684\u6587\u672c\u53ef\u4ee5\u662f\u4efb\u4f55\u7c7b\u578b\uff0c\u4f8b\u5982\u65b0\u95fb\u6587\u7ae0\u3001\u4e66\u7c4d\u3001\u4ee3\u7801\u7b49\u3002<\/li><li><strong>\u6a21\u578b\u8bad\u7ec3<\/strong>\uff1a\u4f7f\u7528\u65e0\u76d1\u7763\u5b66\u4e60\u7b97\u6cd5\u8bad\u7ec3 SentencePiece \u6a21\u578b\uff0c\u6a21\u578b\u7684\u8f93\u5165\u662f\u6587\u672c\u8bed\u6599\u5e93\uff0c\u8f93\u51fa\u662f\u5206\u8bcd\u540e\u7684\u6587\u672c\u3002<\/li><li><strong>\u6a21\u578b\u8bc4\u4f30<\/strong>\uff1a\u4f7f\u7528\u8bc4\u4f30\u6307\u6807\u8bc4\u4f30\u6a21\u578b\u7684\u6027\u80fd\uff0c\u4f8b\u5982\u5206\u8bcd\u51c6\u786e\u7387\u3001\u53ec\u56de\u7387\u7b49\u3002<\/li><\/ol>\n\n\n\n<p>SentencePiece \u4f7f\u7528\u7684\u65e0\u76d1\u7763\u5b66\u4e60\u7b97\u6cd5\u662f\u4e00\u79cd\u79f0\u4e3a&nbsp;<strong>Masked Language Modeling (MLM)<\/strong>&nbsp;\u7684\u7b97\u6cd5\u3002<strong>MLM \u7684\u57fa\u672c\u601d\u60f3\u662f\uff1a\u5c06\u6587\u672c\u4e2d\u7684\u90e8\u5206\u8bcd\u8bed\u6216\u7b26\u53f7\u8fdb\u884c\u906e\u853d\uff0c\u7136\u540e\u8ba9\u6a21\u578b\u9884\u6d4b\u88ab\u906e\u853d\u7684\u8bcd\u8bed\u6216\u7b26\u53f7<\/strong>\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6a21\u578b\u53ef\u4ee5\u5b66\u4e60\u6587\u672c\u7684\u8bed\u4e49\u548c\u7ed3\u6784\u3002<\/p>\n\n\n\n<p>\u5728 SentencePiece \u4e2d\uff0cMLM \u7684\u5177\u4f53\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol><li>\u968f\u673a\u9009\u62e9\u6587\u672c\u4e2d\u7684\u90e8\u5206\u8bcd\u8bed\u6216\u7b26\u53f7\u8fdb\u884c\u906e\u853d\u3002<\/li><li>\u5c06\u88ab\u906e\u853d\u7684\u8bcd\u8bed\u6216\u7b26\u53f7\u66ff\u6362\u4e3a\u4e00\u4e2a\u7279\u6b8a\u7b26\u53f7\uff0c\u4f8b\u5982&nbsp;<code>[MASK]<\/code>\u3002<\/li><li>\u5c06\u5904\u7406\u540e\u7684\u6587\u672c\u8f93\u5165\u6a21\u578b\uff0c\u8ba9\u6a21\u578b\u9884\u6d4b\u88ab\u906e\u853d\u7684\u8bcd\u8bed\u6216\u7b26\u53f7\u3002<\/li><\/ol>\n\n\n\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6a21\u578b\u53ef\u4ee5\u5b66\u4e60\u5230\u88ab\u906e\u853d\u8bcd\u8bed\u6216\u7b26\u53f7\u4e0e\u5468\u56f4\u8bcd\u8bed\u6216\u7b26\u53f7\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u4ece\u800c\u63d0\u9ad8\u5206\u8bcd\u548c\u7f16\u7801\u7684\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n<p>SentencePiece \u7684\u81ea\u76d1\u7763\u8bad\u7ec3\u6a21\u578b\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n\n\n\n<ul><li>\u4e0d\u9700\u8981\u4eba\u5de5\u5236\u5b9a\u5206\u8bcd\u89c4\u5219\uff0c\u80fd\u591f\u81ea\u52a8\u5b66\u4e60\u6587\u672c\u7684\u8bed\u4e49\u548c\u7ed3\u6784\u3002<\/li><li>\u5206\u8bcd\u6548\u679c\u597d\uff0c\u80fd\u591f\u51c6\u786e\u5730\u8bc6\u522b\u8bcd\u8bed\u548c\u7b26\u53f7\u7684\u8fb9\u754c\u3002<\/li><li>\u7f16\u7801\u6548\u7387\u9ad8\uff0c\u80fd\u591f\u8282\u7701\u7a7a\u95f4\u3002<\/li><\/ul>\n\n\n\n<p>SentencePiece \u7684\u81ea\u76d1\u7763\u8bad\u7ec3\u6a21\u578b\u5df2\u7ecf\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u5927\u6a21\u578b\uff0c\u4f8b\u5982 Google \u7684 BERT\u3001GPT-3\uff0c\u4ee5\u53ca\u963f\u91cc\u5df4\u5df4\u7684 M6 \u7b49\u3002<\/p>\n\n\n\n<p><strong><code>SentencePiece<\/code>\u4e2d\u5305\u542b\u6709\u56db\u4e2a\u90e8\u5206\uff1a<\/strong><\/p>\n\n\n\n<ul><li>Normalizer: \u89c4\u4e00\u5316\u64cd\u4f5c\uff0c\u7c7b\u4f3cUnicode\u628a\u5b57\u7b26\u8f6c\u4e3a\u7edf\u4e00\u683c\u5f0f\u3002<\/li><li>Trainer: \u4ece\u89c4\u4e00\u5316\u540e\u7684\u8bed\u6599\u4e2d\u5b66\u4e60subword\u7684\u5207\u5206\u6a21\u578b\u3002<\/li><li>Encoder: \u5bf9\u5e94\u9884\u5904\u7406\u65f6\u7684tokenization\u64cd\u4f5c\uff0c\u628a\u53e5\u5b50\u8f6c\u4e3a\u5bf9\u5e94\u7684subword\u6216id\u3002<\/li><li>Decoder: \u5bf9\u5e94\u540e\u5904\u7406\u65f6\u7684detokenization\u64cd\u4f5c\uff0c\u628asubword\u6216id\u8fd8\u539f\u4e3a\u539f\u6709\u53e5\u5b50<\/li><\/ul>\n\n\n\n<h2 id=\"h_691609961_3\">\u548c SentencePiece \u7c7b\u4f3c\u7684\u5de5\u5177<\/h2>\n\n\n\n<ul><li><strong><a href=\"https:\/\/zhida.zhihu.com\/search?content_id=241821760&amp;content_type=Article&amp;match_order=1&amp;q=Jieba&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">Jieba<\/a><\/strong>\uff1aJieba \u662f\u4e00\u4e2a\u4e2d\u6587\u5206\u8bcd\u5de5\u5177\uff0c\u5b83\u4f7f\u7528\u4e86\u4e00\u79cd\u79f0\u4e3a&nbsp;<strong>\u6700\u5927\u4f3c\u7136\u6cd5<\/strong>&nbsp;\u7684\u65b9\u6cd5\u8fdb\u884c\u5206\u8bcd\u3002Jieba \u7684\u5206\u8bcd\u6548\u679c\u8f83\u597d\uff0c\u5e76\u4e14\u901f\u5ea6\u8f83\u5feb\u3002<\/li><li><strong><a href=\"https:\/\/zhida.zhihu.com\/search?content_id=241821760&amp;content_type=Article&amp;match_order=1&amp;q=Hmmseg&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">Hmmseg<\/a><\/strong>\uff1aHmmseg \u662f\u53e6\u4e00\u4e2a\u4e2d\u6587\u5206\u8bcd\u5de5\u5177\uff0c\u5b83\u4f7f\u7528\u4e86\u4e00\u79cd\u79f0\u4e3a&nbsp;<strong>\u9690\u9a6c\u5c14\u53ef\u592b\u6a21\u578b<\/strong>&nbsp;\u7684\u65b9\u6cd5\u8fdb\u884c\u5206\u8bcd\u3002Hmmseg \u7684\u5206\u8bcd\u6548\u679c\u8f83\u597d\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u8bed\u8a00\u3002<\/li><li><strong>Stanford CoreNLP<\/strong>\uff1aStanford CoreNLP \u662f\u4e00\u4e2a\u81ea\u7136\u8bed\u8a00\u5904\u7406\u5de5\u5177\u5305\uff0c\u5b83\u5305\u542b\u4e86\u5206\u8bcd\u3001\u8bcd\u6027\u6807\u6ce8\u3001\u53e5\u6cd5\u5206\u6790\u7b49\u529f\u80fd\u3002Stanford CoreNLP \u7684\u5206\u8bcd\u6548\u679c\u8f83\u597d\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u8bed\u8a00\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/pic4.zhimg.com\/v2-8a82de840dd20f4e9f3a38c2058c0189_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u4f7f\u7528\u5efa\u8bae\uff1a<\/strong><\/p>\n\n\n\n<ul><li>\u5982\u679c\u9700\u8981\u5bf9\u4e2d\u6587\u6587\u672c\u8fdb\u884c\u5206\u8bcd\uff0c\u5e76\u4e14\u5bf9\u5206\u8bcd\u6548\u679c\u8981\u6c42\u8f83\u9ad8\uff0c\u53ef\u4ee5\u9009\u62e9 SentencePiece\u3001Jieba \u6216 Hmmseg\u3002<\/li><li>\u5982\u679c\u9700\u8981\u5bf9\u591a\u79cd\u8bed\u8a00\u6587\u672c\u8fdb\u884c\u5206\u8bcd\uff0c\u53ef\u4ee5\u9009\u62e9 Stanford CoreNLP\u3002<\/li><li>\u5982\u679c\u9700\u8981\u5bf9\u6587\u672c\u8fdb\u884c\u5206\u8bcd\u548c\u7f16\u7801\uff0c\u5e76\u4e14\u5bf9\u901f\u5ea6\u8981\u6c42\u8f83\u9ad8\uff0c\u53ef\u4ee5\u9009\u62e9 Jieba\u3002<\/li><li>\u5982\u679c\u9700\u8981\u5bf9\u6587\u672c\u8fdb\u884c\u5206\u8bcd\u548c\u7f16\u7801\uff0c\u5e76\u4e14\u5bf9\u5206\u8bcd\u6548\u679c\u8981\u6c42\u8f83\u9ad8\uff0c\u53ef\u4ee5\u9009\u62e9 SentencePiece \u6216 Hmmseg\u3002<\/li><\/ul>\n\n\n\n<h2 id=\"h_691609961_4\">TiToken \u7b80\u4ecb<\/h2>\n\n\n\n<p>Tiktoken \u7684\u529f\u80fd\u4e0e SentencePiece \u7c7b\u4f3c\uff0c\u90fd\u662f\u7528\u4e8e\u6587\u672c\u7684&nbsp;<strong>\u5206\u8bcd<\/strong>&nbsp;\u548c&nbsp;<strong>\u7f16\u7801<\/strong>\u3002<\/p>\n\n\n\n<p><strong>Tiktoken<\/strong>&nbsp;\u662f\u4e00\u4e2a\u57fa\u4e8e&nbsp;<strong>BPE<\/strong>&nbsp;\u7b97\u6cd5\u7684&nbsp;<strong>\u5feb\u901f\u5206\u8bcd\u5668<\/strong>\uff0c\u5b83\u4e13\u95e8\u9488\u5bf9&nbsp;<strong>GPT-4<\/strong>&nbsp;\u548c&nbsp;<strong>ChatGPT<\/strong>&nbsp;\u7b49\u5927\u6a21\u578b\u8fdb\u884c\u4e86\u4f18\u5316\u3002Tiktoken \u7684\u4e3b\u8981\u7279\u70b9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul><li>\u901f\u5ea6\u5feb\uff1aTiktoken \u7684\u5206\u8bcd\u901f\u5ea6\u6bd4 SentencePiece \u5feb\u5f88\u591a\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5927\u6a21\u578b\u8bad\u7ec3\u548c\u63a8\u7406\u7684\u9700\u6c42\u3002<\/li><li>\u6548\u679c\u597d\uff1aTiktoken \u7684\u5206\u8bcd\u6548\u679c\u4e0e SentencePiece \u76f8\u5f53\uff0c\u80fd\u591f\u51c6\u786e\u5730\u8bc6\u522b\u8bcd\u8bed\u548c\u7b26\u53f7\u7684\u8fb9\u754c\u3002<\/li><li>\u6613\u7528\u6027\uff1aTiktoken \u63d0\u4f9b\u4e86\u7b80\u5355\u7684 API \u63a5\u53e3\uff0c\u65b9\u4fbf\u4f7f\u7528\u3002<\/li><\/ul>\n\n\n\n<p><strong>Tiktoken \u4e0e SentencePiece \u7684\u4e3b\u8981\u533a\u522b<\/strong>&nbsp;\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul><li><strong>\u5206\u8bcd\u7b97\u6cd5<\/strong>\uff1aTiktoken \u4f7f\u7528&nbsp;<strong><a href=\"https:\/\/zhida.zhihu.com\/search?content_id=241821760&amp;content_type=Article&amp;match_order=1&amp;q=BPE+%E7%AE%97%E6%B3%95&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">BPE \u7b97\u6cd5<\/a><\/strong>\u8fdb\u884c\u5206\u8bcd\uff0c\u800c SentencePiece \u4f7f\u7528\u7684\u662f<strong>\u65e0\u76d1\u7763\u5b66\u4e60\u7b97\u6cd5<\/strong>\u3002<\/li><li><strong>\u901f\u5ea6<\/strong>\uff1aTiktoken \u7684\u5206\u8bcd\u901f\u5ea6\u6bd4 SentencePiece \u5feb\u5f88\u591a\u3002<\/li><li><strong>\u6a21\u578b<\/strong>\uff1aTiktoken \u4e13\u95e8\u9488\u5bf9 GPT-4 \u548c ChatGPT \u7b49\u5927\u6a21\u578b\u8fdb\u884c\u4e86\u4f18\u5316\uff0c\u800c SentencePiece \u5219\u662f\u901a\u7528\u7684\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/pica.zhimg.com\/v2-e1013a863591191e38cfb00678a5c134_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u5177\u4f53\u4f7f\u7528\u5efa\u8bae\uff1a<\/strong><\/p>\n\n\n\n<ul><li>\u5982\u679c\u9700\u8981\u5bf9\u6587\u672c\u8fdb\u884c<strong>\u5feb\u901f\u5206\u8bcd<\/strong>\uff0c\u5e76\u4e14\u5bf9\u5206\u8bcd\u6548\u679c\u8981\u6c42\u8f83\u9ad8\uff0c\u53ef\u4ee5\u9009\u62e9 Tiktoken\u3002<\/li><li>\u5982\u679c\u9700\u8981\u5bf9\u6587\u672c\u8fdb\u884c\u5206\u8bcd\u548c<strong>\u7f16\u7801<\/strong>\uff0c\u5e76\u4e14\u9700\u8981\u652f\u6301\u591a\u79cd\u8bed\u8a00\uff0c\u53ef\u4ee5\u9009\u62e9 SentencePiece\u3002<\/li><li>\u5982\u679c\u9700\u8981\u5bf9 GPT-4 \u6216 ChatGPT \u7b49\u5927\u6a21\u578b\u8fdb\u884c\u8bad\u7ec3\u6216\u63a8\u7406\uff0c\u53ef\u4ee5\u9009\u62e9 Tiktoken\u3002<\/li><\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/github.com\/google\/sentencepiece https:\/\/github. &hellip; <a href=\"http:\/\/139.9.1.231\/index.php\/2025\/05\/11\/llm-tokenizer\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">LLM\u5206\u8bcd\u5668-SentencePiece\/tiktoken\/subword-nmt<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21,4,38,34],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/25962"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=25962"}],"version-history":[{"count":16,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/25962\/revisions"}],"predecessor-version":[{"id":26414,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/25962\/revisions\/26414"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=25962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=25962"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=25962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}