{"id":39941,"date":"2025-05-26T13:57:16","date_gmt":"2025-05-26T05:57:16","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/39941.html"},"modified":"2025-05-26T13:57:16","modified_gmt":"2025-05-26T05:57:16","slug":"%e7%ac%ac%e5%8d%81%e4%b8%83%e7%ab%a0%ef%bc%9allama-factory-%e6%b7%b1%e5%ba%a6%e5%89%96%e6%9e%90%ef%bc%9a%e6%98%93%e7%94%a8%e6%80%a7%e8%83%8c%e5%90%8e%e7%9a%84%e5%be%ae%e8%b0%83%e6%a1%86%e6%9e%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/39941.html","title":{"rendered":"\u7b2c\u5341\u4e03\u7ae0\uff1aLlama Factory \u6df1\u5ea6\u5256\u6790\uff1a\u6613\u7528\u6027\u80cc\u540e\u7684\u5fae\u8c03\u6846\u67b6\u8bbe\u8ba1"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250526055715-683402bb4d413.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u7ae0\u8282\u5f15\u5bfc&#xff1a;\u5728\u6a21\u578b\u5b9a\u5236\u7684\u5b9e\u8df5\u4e2d&#xff0c;Llama Factory (github.com\/hiyouga\/LLaMA-Factory) \u4ee5\u5176\u60ca\u4eba\u7684\u6613\u7528\u6027\u548c\u5bf9\u591a\u79cd\u5f00\u6e90\u5927\u6a21\u578b\u3001\u591a\u79cd\u53c2\u6570\u9ad8\u6548\u5fae\u8c03\u65b9\u6cd5&#xff08;PEFT&#xff09;\u7684\u5e7f\u6cdb\u652f\u6301&#xff0c;\u8fc5\u901f\u6210\u4e3a\u5f00\u6e90\u793e\u533a\u7684\u70ed\u95e8\u9009\u62e9\u3002\u4f60\u53ef\u80fd\u5df2\u7ecf\u719f\u7ec3\u638c\u63e1\u4e86\u5982\u4f55\u901a\u8fc7\u5176 Web UI \u6216\u547d\u4ee4\u884c\u542f\u52a8\u4e00\u6b21\u5fae\u8c03\u4efb\u52a1&#xff0c;\u5e76\u83b7\u5f97\u4e86\u521d\u6b65\u7684\u6548\u679c\u3002\u4f46\u672c\u7ae0&#xff0c;\u6211\u4eec\u5c06\u8d85\u8d8a\u201c\u5982\u4f55\u4f7f\u7528\u201d&#xff0c;\u6df1\u5165 Llama Factory \u7684\u201c\u5f15\u64ce\u76d6\u4e0b\u201d&#xff0c;\u63a2\u7a76\u5176\u8bbe\u8ba1\u54f2\u5b66\u3001\u6838\u5fc3\u67b6\u6784\u4e0e\u5173\u952e\u5b9e\u73b0\u673a\u5236\u3002\u6211\u4eec\u5c06\u5206\u6790\u5b83\u662f\u5982\u4f55\u5de7\u5999\u5730\u5c01\u88c5\u590d\u6742\u6027&#xff0c;\u5b9e\u73b0\u5bf9 LoRA, QLoRA \u7b49\u591a\u79cd\u5fae\u8c03\u7b56\u7565\u7684\u7edf\u4e00\u7ba1\u7406\u548c\u9ad8\u6548\u6267\u884c\u7684&#xff1f;\u5b83\u5728\u6570\u636e\u5904\u7406\u3001\u6a21\u578b\u52a0\u8f7d\u3001\u8bad\u7ec3\u5faa\u73af\u3001\u7ed3\u679c\u4fdd\u5b58\u7b49\u65b9\u9762\u6709\u54ea\u4e9b\u503c\u5f97\u5b66\u4e60\u7684\u8bbe\u8ba1&#xff1f;\u7406\u89e3\u8fd9\u4e9b&#xff0c;\u4e0d\u4ec5\u80fd\u8ba9\u6211\u4eec\u66f4\u9ad8\u6548\u5730\u4f7f\u7528 Llama Factory&#xff0c;\u4e5f\u80fd\u4e3a\u6211\u4eec\u81ea\u884c\u6784\u5efa\u6216\u5b9a\u5236\u5fae\u8c03\u6d41\u7a0b\u63d0\u4f9b\u6df1\u523b\u7684\u542f\u793a&#xff0c;\u5e76\u66f4\u597d\u5730\u7406\u89e3\u5fae\u8c03\u8fd9\u4e00\u5173\u952e\u7684\u6a21\u578b\u5b9a\u5236\u6280\u672f\u3002<\/p>\n<p>\u76ee\u6807\u8bfb\u8005\u4e0e\u524d\u63d0&#xff1a; \u672c\u7ae0\u5047\u8bbe\u8bfb\u8005\u5bf9 LLM \u5fae\u8c03\u7684\u57fa\u672c\u6982\u5ff5&#xff08;\u5982\u6307\u4ee4\u5fae\u8c03\u3001SFT&#xff09;\u6709\u6240\u4e86\u89e3&#xff0c;\u5e76\u5bf9 Llama Factory \u6709\u521d\u6b65\u7684\u4f7f\u7528\u7ecf\u9a8c\u3002\u6211\u4eec\u5c06\u805a\u7126\u4e8e\u5176\u5185\u90e8\u8bbe\u8ba1\u548c\u5b9e\u73b0\u903b\u8f91&#xff0c;\u800c\u975e\u57fa\u7840\u64cd\u4f5c\u6559\u7a0b\u3002<\/p>\n<h3>17.1 \u518d\u63a2\u5fae\u8c03&#xff1a;Llama Factory \u5728\u5fae\u8c03\u751f\u6001\u4e2d\u7684\u5b9a\u4f4d\u4e0e\u4ef7\u503c<\/h3>\n<p>\u5728\u6df1\u5165 Llama Factory \u4e4b\u524d&#xff0c;\u8ba9\u6211\u4eec\u518d\u6b21\u660e\u786e\u5fae\u8c03\u5728 LLM \u5e94\u7528\u5f00\u53d1\u4e2d\u7684\u4f4d\u7f6e\u3002<\/p>\n<h4>\u5fae\u8c03\u7684\u6838\u5fc3\u76ee\u7684\u4e0e\u6311\u6218<\/h4>\n<ul>\n<li>\u76ee\u7684&#xff1a;\n<ul>\n<li>\u77e5\u8bc6\u6ce8\u5165\/\u9886\u57df\u9002\u5e94: \u8ba9\u6a21\u578b\u5b66\u4e60\u7279\u5b9a\u9886\u57df\u77e5\u8bc6\u3001\u672f\u8bed\u3001\u98ce\u683c\u3002<\/li>\n<li>\u80fd\u529b\u5bf9\u9f50\/\u6307\u4ee4\u9075\u5faa: \u63d0\u5347\u6a21\u578b\u7406\u89e3\u548c\u6267\u884c\u7279\u5b9a\u6307\u4ee4\u7684\u80fd\u529b\u3002<\/li>\n<li>\u884c\u4e3a\/\u98ce\u683c\u6a21\u4eff: \u8f93\u51fa\u7b26\u5408\u7279\u5b9a\u54c1\u724c\u3001\u89d2\u8272\u6216\u5bf9\u8bdd\u98ce\u683c\u7684\u6587\u672c\u3002<\/li>\n<li>(\u6709\u65f6) \u964d\u4f4e\u63a8\u7406\u6210\u672c: \u7528\u5fae\u8c03\u540e\u7684\u5c0f\u6a21\u578b\u66ff\u4ee3\u5927\u901a\u7528\u6a21\u578b\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6311\u6218&#xff1a;\n<ul>\n<li>\u6570\u636e\u4f9d\u8d56: \u9ad8\u8d28\u91cf\u3001\u4efb\u52a1\u76f8\u5173\u7684\u6570\u636e\u662f\u6210\u529f\u7684\u5173\u952e&#xff0c;\u83b7\u53d6\u6210\u672c\u9ad8\u3002<\/li>\n<li>\u8d44\u6e90\u6d88\u8017: \u5168\u91cf\u5fae\u8c03\u5927\u578b LLM \u5bf9\u8ba1\u7b97\u8d44\u6e90\u8981\u6c42\u6781\u9ad8\u3002<\/li>\n<li>\u6280\u672f\u95e8\u69db: \u7406\u89e3\u539f\u7406\u3001\u9009\u62e9\u53c2\u6570\u3001\u914d\u7f6e\u73af\u5883\u3001\u5904\u7406\u9519\u8bef\u6709\u96be\u5ea6\u3002<\/li>\n<li>\u8fc7\u62df\u5408\u98ce\u9669: \u5c0f\u6570\u636e\u96c6\u6613\u5bfc\u81f4\u8fc7\u62df\u5408\u6216\u707e\u96be\u6027\u9057\u5fd8\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>Llama Factory \u7684\u6838\u5fc3\u4ef7\u503c\u4e3b\u5f20<\/h4>\n<p>Llama Factory \u81f4\u529b\u4e8e\u89e3\u51b3\u5fae\u8c03\u7684\u6280\u672f\u95e8\u69db\u548c\u8d44\u6e90\u6d88\u8017\u95ee\u9898&#xff0c;\u5176\u6838\u5fc3\u4ef7\u503c\u5728\u4e8e&#xff1a;<\/p>\n<li>\u6781\u7b80\u914d\u7f6e\u4e0e\u64cd\u4f5c&#xff1a; \u901a\u8fc7\u76f4\u89c2 Web UI\u3001\u7edf\u4e00 YAML \u914d\u7f6e\u6216\u547d\u4ee4\u884c\u53c2\u6570&#xff0c;\u5927\u5e45\u7b80\u5316\u590d\u6742\u7684\u5fae\u8c03\u6d41\u7a0b\u3002<\/li>\n<li>\u7edf\u4e00\u591a\u79cd PEFT \u65b9\u6cd5&#xff1a; \u5185\u7f6e\u652f\u6301 LoRA, QLoRA, IA3 \u7b49&#xff0c;\u7528\u6237\u901a\u8fc7\u914d\u7f6e\u5207\u6362&#xff0c;\u65e0\u9700\u6df1\u7a76\u5e95\u5c42 API\u3002<\/li>\n<li>\u96c6\u6210\u5e38\u89c1\u6a21\u578b\u4e0e\u6570\u636e\u96c6&#xff1a; \u9884\u7f6e\u5bf9 Llama, Mistral, Qwen \u7b49\u6a21\u578b\u548c Alpaca, ShareGPT \u7b49\u6570\u636e\u683c\u5f0f\u7684\u652f\u6301\u3002<\/li>\n<li>\u5185\u7f6e\u6700\u4f73\u5b9e\u8df5\u4e0e\u4f18\u5316&#xff1a; \u9ed8\u8ba4\u96c6\u6210 FlashAttention, DeepSpeed, BitsAndBytes \u91cf\u5316\u7b49&#xff0c;\u7528\u6237\u65e0\u9700\u624b\u52a8\u914d\u7f6e\u3002<\/li>\n<li>\u964d\u4f4e\u4f7f\u7528\u95e8\u69db&#xff1a; \u4f7f\u975e\u6df1\u5ea6 AI \u80cc\u666f\u7684\u5f00\u53d1\u8005\u4e5f\u80fd\u5feb\u901f\u4e0a\u624b\u5e76\u8fdb\u884c\u6709\u6548\u7684\u5fae\u8c03\u5b9e\u9a8c\u3002<\/li>\n<h4>\u751f\u6001\u4f4d\u5206\u6790<\/h4>\n<ul>\n<li>vs. \u624b\u52a8\u811a\u672c (Hugging Face Trainer &#043; PEFT): Llama Factory \u63d0\u4f9b\u4e86\u9ad8\u5ea6\u5c01\u88c5\u548c\u6613\u7528\u6027\u62bd\u8c61&#xff0c;\u907f\u514d\u4e86\u5927\u91cf\u6837\u677f\u4ee3\u7801\u3002<\/li>\n<li>vs. \u5927\u89c4\u6a21\u8bad\u7ec3\u6846\u67b6 (DeepSpeed\/Megatron-LM): Llama Factory \u53ef\u9009\u62e9\u6027\u96c6\u6210 DeepSpeed&#xff0c;\u66f4\u4fa7\u91cd\u4e8e\u53c2\u6570\u9ad8\u6548\u5fae\u8c03\u7684\u6613\u7528\u6027\u3002<\/li>\n<li>\u72ec\u7279\u4f18\u52bf: \u6613\u7528\u6027\u3001\u9ad8\u96c6\u6210\u5ea6\u3001\u5bf9\u591a\u79cd PEFT \u65b9\u6cd5\u7684\u5f00\u7bb1\u5373\u7528\u652f\u6301\u3002<\/li>\n<\/ul>\n<h3>17.2 Llama Factory \u67b6\u6784\u6982\u89c8\u4e0e\u6838\u5fc3\u7ec4\u4ef6\u5256\u6790<\/h3>\n<p>Llama Factory \u7684\u6613\u7528\u6027\u6e90\u4e8e\u5176\u6a21\u5757\u5316\u8bbe\u8ba1\u3002<\/p>\n<p>\u6574\u4f53\u67b6\u6784\u56fe (\u6982\u5ff5\u6027):<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250526055715-683402bb69069.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5173\u952e\u7ec4\u4ef6\u8be6\u89e3&#xff1a; (\u8def\u5f84\u63d0\u793a&#xff1a;\u4ee5\u4e0b\u63d0\u53ca\u7684\u6e90\u7801\u6587\u4ef6\u8def\u5f84\u53ef\u80fd\u968f Llama Factory \u7248\u672c\u66f4\u65b0\u800c\u53d8\u5316&#xff0c;\u8bf7\u4ee5\u4f60\u6240\u4f7f\u7528\u7684\u9879\u76ee\u5b9e\u9645\u7ed3\u6784\u4e3a\u51c6\u3002)<\/p>\n<li>\u914d\u7f6e\u7ba1\u7406 (\u6838\u5fc3\u5728 workflow.py \u6216\u4e3b\u8bad\u7ec3\u811a\u672c\u5982 src\/llmtuner\/train\/tuner.py \u7684\u53c2\u6570\u89e3\u6790\u90e8\u5206):\n<ul>\n<li>\u7edf\u4e00\u7ba1\u7406\u6765\u81ea Web UI\u3001\u547d\u4ee4\u884c\u6216 YAML \u6587\u4ef6\u7684\u53c2\u6570&#xff0c;\u8fdb\u884c\u7c7b\u578b\u6821\u9a8c\u3001\u9ed8\u8ba4\u503c\u586b\u5145&#xff0c;\u5e76\u4f20\u9012\u7ed9\u4e0b\u6e38\u6a21\u5757\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6570\u636e\u5904\u7406\u4e0e\u52a0\u8f7d\u6a21\u5757 (\u901a\u5e38\u5728 src\/llmtuner\/data\/ \u76ee\u5f55\u4e0b):\n<ul>\n<li>\u6570\u636e\u96c6\u9002\u914d: \u5305\u542b\u9488\u5bf9 Alpaca, ShareGPT \u7b49\u683c\u5f0f\u7684\u9884\u5904\u7406\u903b\u8f91&#xff0c;\u5c06\u5176\u8f6c\u6362\u4e3a\u6a21\u578b\u8bad\u7ec3\u6240\u9700\u683c\u5f0f\u3002<\/li>\n<li>Prompt \u6a21\u677f\u5316 (\u5982 template.py): \u5185\u7f6e\u591a\u79cd\u6a21\u578b\u7684\u5bf9\u8bdd\u6a21\u677f&#xff08;Llama2-Chat, ChatML \u7b49&#xff09;&#xff0c;\u786e\u4fdd\u8f93\u5165\u683c\u5f0f\u4e0e\u6a21\u578b\u9884\u8bad\u7ec3\u4e00\u81f4\u3002<\/li>\n<li>Data Collator: \u4f7f\u7528 Hugging Face DataCollatorForSeq2Seq \u6216\u81ea\u5b9a\u4e49 Collator \u5904\u7406\u6279\u5904\u7406\u4e2d\u7684 Padding \u548c Label Masking\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6a21\u578b\u52a0\u8f7d\u4e0e PEFT \u9002\u914d\u6a21\u5757 (\u901a\u5e38\u5728 src\/llmtuner\/model\/loader.py \u548c src\/llmtuner\/model\/patcher.py):\n<ul>\n<li>\u57fa\u7840\u6a21\u578b\u52a0\u8f7d: \u4f7f\u7528 AutoModelForCausalLM \u7b49\u3002<\/li>\n<li>PEFT \u96c6\u6210: \u6839\u636e\u914d\u7f6e&#xff0c;\u4f7f\u7528 peft \u5e93\u7684 get_peft_model \u52a8\u6001\u6ce8\u5165 LoRA, QLoRA \u7b49\u9002\u914d\u5668\u3002\u5bf9\u4e8e QLoRA&#xff0c;\u4e0e bitsandbytes \u96c6\u6210\u8fdb\u884c\u91cf\u5316\u3002<\/li>\n<li>\u6a21\u578b Patching: \u5e94\u7528 FlashAttention \u7b49\u4f18\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8bad\u7ec3\u5668\u6838\u5fc3 (\u901a\u5e38\u56f4\u7ed5 src\/llmtuner\/train\/tuner.py \u53ca sft_trainer.py \u7b49):\n<ul>\n<li>\u9ad8\u5ea6\u4f9d\u8d56\u5e76\u6269\u5c55 Hugging Face Trainer\u3002<\/li>\n<li>\u5904\u7406 PEFT \u6a21\u578b\u4fdd\u5b58\/\u52a0\u8f7d\u3001\u81ea\u5b9a\u4e49\u8bc4\u4f30\u3001Web UI \u4ea4\u4e92\u3001\u5206\u5e03\u5f0f\u8bad\u7ec3 (DeepSpeed, DDP\/FSDP) \u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u65e5\u5fd7\u3001\u76d1\u63a7\u4e0e\u7ed3\u679c\u4fdd\u5b58\u6a21\u5757 (\u901a\u5e38\u5728 src\/llmtuner\/extras\/callbacks.py, src\/llmtuner\/extras\/logging.py):\n<ul>\n<li>\u6807\u51c6\u65e5\u5fd7\u8f93\u51fa&#xff0c;\u652f\u6301 TensorBoard, WandB \u7b49\u56de\u8c03\u3002<\/li>\n<li>\u4fdd\u5b58\u6a21\u578b\u6743\u91cd\u3001\u914d\u7f6e\u6587\u4ef6\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<h3>17.3 \u6838\u5fc3\u529f\u80fd\u5b9e\u73b0\u63a2\u79d8&#xff1a;Llama Factory \u5982\u4f55\u7b80\u5316\u590d\u6742\u6027&#xff1f;<\/h3>\n<p>Llama Factory \u7684\u7b80\u6d01\u80cc\u540e\u662f\u5bf9\u590d\u6742\u6280\u672f\u7684\u5de7\u5999\u5c01\u88c5&#xff1a;<\/p>\n<ul>\n<li>\u591a\u79cd PEFT \u65b9\u6cd5\u7684\u7edf\u4e00\u63a5\u53e3&#xff1a;\n<ul>\n<li>\u673a\u5236&#xff1a; \u5185\u90e8\u7ef4\u62a4 PEFT \u65b9\u6cd5\u5230 peft \u5e93 PeftConfig \u5b50\u7c7b\u7684\u6620\u5c04\u3002\u7528\u6237\u9009\u62e9\u65b9\u6cd5\u548c\u53c2\u6570\u540e&#xff0c;Llama Factory \u5b9e\u4f8b\u5316\u76f8\u5e94 PeftConfig&#xff0c;\u8c03\u7528 get_peft_model \u52a8\u6001\u6ce8\u5165\u9002\u914d\u5668\u5230\u57fa\u7840\u6a21\u578b\u7684\u6307\u5b9a\u6a21\u5757\u3002<\/li>\n<li>\u7b80\u5316&#xff1a; \u7528\u6237\u65e0\u9700\u5173\u5fc3 peft \u5e93 API \u7ec6\u8282\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6570\u636e\u5e76\u884c\u4e0e\u6a21\u578b\u5e76\u884c (DDP, FSDP, DeepSpeed) \u7684\u96c6\u6210&#xff1a;\n<ul>\n<li>\u673a\u5236&#xff1a; \u4e3b\u8981\u4f9d\u8d56 Hugging Face Trainer \u7684\u5185\u7f6e\u652f\u6301\u3002Llama Factory \u63d0\u4f9b\u4fbf\u6377\u7684\u914d\u7f6e\u5165\u53e3&#xff0c;Trainer \u81ea\u52a8\u5904\u7406\u521d\u59cb\u5316\u3001\u6570\u636e\u5206\u53d1\u3001\u68af\u5ea6\u540c\u6b65\u7b49\u3002<\/li>\n<li>\u7b80\u5316&#xff1a; \u7528\u6237\u65e0\u9700\u624b\u52a8\u7f16\u5199\u590d\u6742\u7684\u5206\u5e03\u5f0f\u8bad\u7ec3\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6df7\u5408\u7cbe\u5ea6\u8bad\u7ec3\u4e0e\u91cf\u5316 (QLoRA):\n<ul>\n<li>\u673a\u5236&#xff1a; fp16\/bf16 \u901a\u8fc7 TrainingArguments \u542f\u7528&#xff0c;\u7531 Trainer \u7684 PyTorch AMP \u5b9e\u73b0\u3002QLoRA \u5219\u5728\u6a21\u578b\u52a0\u8f7d\u65f6\u4f7f\u7528 bitsandbytes \u8fdb\u884c\u91cf\u5316&#xff0c;\u518d\u5e94\u7528 LoRA\u3002<\/li>\n<li>\u7b80\u5316&#xff1a; \u7528\u6237\u53ea\u9700\u914d\u7f6e\u9009\u9879&#xff0c;\u6846\u67b6\u81ea\u52a8\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6a21\u578b\u4fdd\u5b58\u4e0e\u52a0\u8f7d (Checkpointing &amp; Merging):\n<ul>\n<li>\u673a\u5236&#xff1a; PEFT \u65b9\u6cd5\u901a\u5e38\u53ea\u4fdd\u5b58 Adapter \u6743\u91cd (PeftModel.save_pretrained())\u3002Llama Factory \u63d0\u4f9b\u811a\u672c\u6216\u9009\u9879\u5c06 Adapter \u5408\u5e76\u56de\u57fa\u7840\u6a21\u578b (PeftModel.merge_and_unload())\u3002<\/li>\n<li>\u7b80\u5316&#xff1a; \u5c4f\u853d\u4e86\u624b\u52a8\u52a0\u8f7d\u3001\u5408\u5e76\u7b49\u6b65\u9aa4\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>17.4 \u6570\u636e\u96c6\u5904\u7406\u4e0e Prompt \u6784\u5efa\u7684\u6700\u4f73\u5b9e\u8df5 (Llama Factory \u89c6\u89d2)<\/h3>\n<p>\u9ad8\u8d28\u91cf\u6570\u636e\u548c\u9002\u914d\u7684 Prompt \u662f\u5fae\u8c03\u6210\u529f\u7684\u5173\u952e\u3002<\/p>\n<ul>\n<li>\u5e38\u89c1\u6570\u636e\u96c6\u683c\u5f0f\u652f\u6301&#xff1a; Llama Factory \u5185\u7f6e\u89e3\u6790\u5668\u652f\u6301 Alpaca (instruction, input, output), ShareGPT (conversations \u5217\u8868) \u7b49\u683c\u5f0f&#xff0c;\u5e76\u5c06\u5176\u7edf\u4e00\u8f6c\u6362\u4e3a\u5185\u90e8\u8868\u793a\u3002<\/li>\n<li>Prompt \u6a21\u677f\u5316\u4e0e\u5904\u7406 (\u6838\u5fc3\u5728 template.py \u6216\u7c7b\u4f3c\u6a21\u5757):\n<ul>\n<li>\u4e3a\u591a\u79cd\u4e3b\u6d41\u6a21\u578b\u9884\u5b9a\u4e49\u4e86\u5bf9\u8bdd\u6a21\u677f&#xff0c;\u5305\u542b\u7279\u6b8a Tokens \u548c\u89d2\u8272\u6807\u8bb0\u3002<\/li>\n<li>\u6839\u636e\u9009\u62e9\u7684\u57fa\u7840\u6a21\u578b\u7c7b\u578b&#xff0c;\u81ea\u52a8\u5e94\u7528\u76f8\u5e94\u6a21\u677f\u683c\u5f0f\u5316\u8f93\u5165\u6570\u636e&#xff0c;\u786e\u4fdd\u4e0e\u6a21\u578b\u9884\u8bad\u7ec3\u683c\u5f0f\u4e00\u81f4&#xff0c;\u8fd9\u5bf9\u5fae\u8c03\u6548\u679c\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u81ea\u5b9a\u4e49\u6570\u636e\u96c6\u4e0e Prompt \u7ed3\u6784:\n<ul>\n<li>\u81ea\u5b9a\u4e49\u6570\u636e\u96c6: \u901a\u5e38\u652f\u6301\u81ea\u5b9a\u4e49 JSONL \u6587\u4ef6&#xff0c;\u9700\u5305\u542b\u6846\u67b6\u80fd\u7406\u89e3\u7684\u5b57\u6bb5\u3002<\/li>\n<li>\u81ea\u5b9a\u4e49 Prompt:\n<li>\u6ce8\u518c\u65b0\u6a21\u677f: \u4fee\u6539 Llama Factory \u7684\u6a21\u677f\u7cfb\u7edf&#xff08;\u5982 template.py&#xff09;&#xff0c;\u5b9a\u4e49\u65b0\u6a21\u677f\u7c7b\u548c\u683c\u5f0f\u5316\u903b\u8f91&#xff08;\u9700\u8981\u4ee3\u7801\u80fd\u529b&#xff09;\u3002<\/li>\n<li>\u9884\u683c\u5f0f\u5316\u6570\u636e: \u5728\u6570\u636e\u51c6\u5907\u9636\u6bb5\u5c06\u6570\u636e\u5b8c\u5168\u683c\u5f0f\u5316\u4e3a\u6700\u7ec8 Prompt \u5b57\u7b26\u4e32&#xff0c;\u9009\u62e9\u6846\u67b6\u4e2d\u201c\u539f\u59cb\u201d\u6216\u7b80\u5355\u62fc\u63a5\u7684\u6a21\u677f\u3002<\/li>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u7406\u89e3 Llama Factory \u7684\u6570\u636e\u548c Prompt \u5904\u7406\u673a\u5236&#xff0c;\u6709\u52a9\u4e8e\u51c6\u5907\u66f4\u4f18\u8d28\u7684\u5fae\u8c03\u6570\u636e\u3002<\/p>\n<h3>17.5 \u8fdb\u9636\u4f7f\u7528\u4e0e\u573a\u666f\u5206\u6790 (\u57fa\u4e8e\u5df2\u6709\u7ecf\u9a8c)<\/h3>\n<p>\u672c\u8282\u6211\u4eec\u57fa\u4e8e\u5df2\u6709\u7684 Llama Factory \u4f7f\u7528\u7ecf\u9a8c&#xff0c;\u5bf9\u4e0d\u540c\u5fae\u8c03\u573a\u666f\u8fdb\u884c\u66f4\u6df1\u5c42\u6b21\u7684\u7b56\u7565\u5206\u6790\u548c\u601d\u8003\u3002<\/p>\n<h4>\u573a\u666f\u4e00&#xff1a;\u7279\u5b9a\u77e5\u8bc6\u6ce8\u5165\u7684\u5fae\u8c03\u7b56\u7565\u5206\u6790<\/h4>\n<ul>\n<li>\u7ecf\u9a8c\u56de\u987e&#xff1a; \u4f7f\u7528 Llama Factory \u5411\u6a21\u578b\u6ce8\u5165\u5782\u76f4\u9886\u57df\u77e5\u8bc6\u3002<\/li>\n<li>\u8ba8\u8bba\u70b9&#xff1a;\n<ul>\n<li>\u6570\u636e\u6784\u5efa&#xff1a;QA \u683c\u5f0f\u662f\u5426\u8db3\u591f&#xff1f;\u7bc7\u7ae0\u6027\u63cf\u8ff0\u6216\u5bf9\u8bdd\u6570\u636e\u6548\u679c\u5982\u4f55&#xff1f;\u6570\u636e\u91cf\u3001\u8d28\u91cf\u3001Prompt \u683c\u5f0f\u5bf9\u77e5\u8bc6\u201c\u5438\u6536\u201d\u7684\u5f71\u54cd&#xff1f;<\/li>\n<li>\u6548\u679c\u8bc4\u4f30&#xff1a;\u5982\u4f55\u9a8c\u8bc1\u77e5\u8bc6\u662f\u5426\u5b66\u4f1a&#xff1f;\u662f\u76f4\u63a5\u56de\u7b54\u95ee\u9898&#xff0c;\u8fd8\u662f\u5728\u4e0b\u6e38\u4efb\u52a1\u4e2d\u8fd0\u7528&#xff1f;<\/li>\n<li>\u53c2\u6570\u654f\u611f\u6027&#xff1a;\u5b66\u4e60\u7387\u3001Epochs\u3001LoRA Rank\/Alpha\u3001Target Modules \u5bf9\u6b64\u7c7b\u4efb\u52a1\u7684\u5f71\u54cd&#xff1f;\u5982\u4f55\u907f\u514d\u8fc7\u62df\u5408\u4e0e\u707e\u96be\u6027\u9057\u5fd8&#xff1f;<\/li>\n<\/ul>\n<\/li>\n<li>\u601d\u8003&#xff1a; \u5fae\u8c03\u6ce8\u5165\u77e5\u8bc6 vs. RAG \u52a8\u6001\u68c0\u7d22&#xff0c;\u5404\u81ea\u4f18\u52a3\u4e0e\u9002\u7528\u573a\u666f&#xff1f;<\/li>\n<\/ul>\n<h4>\u573a\u666f\u4e8c&#xff1a;\u6a21\u578b\u884c\u4e3a\/\u98ce\u683c\u5bf9\u9f50\u7684\u5fae\u8c03\u7b56\u7565\u5206\u6790<\/h4>\n<ul>\n<li>\u7ecf\u9a8c\u56de\u987e&#xff1a; \u5fae\u8c03\u6a21\u578b\u6a21\u4eff\u7279\u5b9a\u5199\u4f5c\u98ce\u683c\u6216\u5bf9\u8bdd\u884c\u4e3a\u3002<\/li>\n<li>\u8ba8\u8bba\u70b9&#xff1a;\n<ul>\n<li>\u9ad8\u8d28\u91cf\u98ce\u683c\u6570\u636e\u96c6\u6784\u5efa&#xff1a;\u662f\u5426\u9700\u8981\u6b63\u53cd\u4f8b&#xff1f;<\/li>\n<li>Prompt \u8bbe\u8ba1&#xff1a;\u9664\u4e86\u98ce\u683c\u5316\u8f93\u5165\u8f93\u51fa\u5bf9&#xff0c;\u662f\u5426\u9700\u5728 Prompt \u4e2d\u660e\u786e\u6307\u793a\u5b66\u4e60\u98ce\u683c&#xff1f;<\/li>\n<li>\u8bc4\u4f30\u6311\u6218&#xff1a;\u98ce\u683c\u5bf9\u9f50\u7684\u4e3b\u89c2\u6027\u5f3a&#xff0c;\u5982\u4f55\u5ba2\u89c2\u8bc4\u4f30&#xff1f;\u6709\u65e0\u81ea\u52a8\u5316\u6307\u6807\u8f85\u52a9&#xff1f;<\/li>\n<li>\u6cdb\u5316\u4e0e\u8fc7\u62df\u5408&#xff1a;\u5982\u4f55\u786e\u4fdd\u5b66\u4e60\u65b0\u98ce\u683c\u7684\u540c\u65f6\u4e0d\u4e22\u5931\u539f\u6709\u80fd\u529b\u6216\u5728\u4e0d\u76f8\u5173\u4efb\u52a1\u4e0a\u5f3a\u5957\u98ce\u683c&#xff1f;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>\u573a\u666f\u4e09&#xff1a;\u591a\u8f6e\u5bf9\u8bdd\u5fae\u8c03\u7684\u6311\u6218\u4e0e Llama Factory \u7684\u652f\u6301<\/h4>\n<ul>\n<li>\u7ecf\u9a8c\u56de\u987e&#xff1a; \u4f7f\u7528 ShareGPT \u7b49\u683c\u5f0f\u6570\u636e\u5fae\u8c03\u6a21\u578b\u63d0\u5347\u591a\u8f6e\u5bf9\u8bdd\u80fd\u529b\u3002<\/li>\n<li>\u8ba8\u8bba\u70b9&#xff1a;\n<ul>\n<li>\u6570\u636e\u683c\u5f0f\u91cd\u8981\u6027&#xff1a;\u6e05\u6670\u7684\u591a\u8f6e\u5386\u53f2\u3001\u89d2\u8272\u533a\u5206\u5bf9\u6a21\u578b\u5b66\u4e60\u4e0a\u4e0b\u6587\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<li>Llama Factory \u5904\u7406&#xff1a;\u5bf9\u8bdd\u6a21\u677f\u5982\u4f55\u5904\u7406\u548c\u622a\u65ad\u957f\u5386\u53f2&#xff1f;\u5982\u4f55\u6784\u5efa\u8bad\u7ec3\u6807\u7b7e&#xff08;\u4ec5\u9884\u6d4b\u6700\u540e\u4e00\u8f6e AI \u56de\u590d vs. \u5168\u90e8&#xff09;&#xff1f;<\/li>\n<li>\u4e0a\u4e0b\u6587\u957f\u5ea6\u6311\u6218&#xff1a;\u5fae\u8c03\u80fd\u5426\u663e\u8457\u63d0\u5347\u5904\u7406\u957f\u7a0b\u4f9d\u8d56\u7684\u80fd\u529b&#xff1f;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>** \u6e90\u7801\u7247\u6bb5\u9a8c\u8bc1\u4e0e\u63a2\u7d22&#xff1a;**<\/p>\n<p>\u4e3a\u4e86\u66f4\u6df1\u5165\u7406\u89e3&#xff0c;\u53ef\u4ee5\u5c1d\u8bd5&#xff1a;<\/p>\n<ul>\n<li>\u6570\u636e\u5904\u7406\u63a2\u7d22&#xff1a; \u5728 Llama Factory \u7684\u6570\u636e\u9884\u5904\u7406\u811a\u672c&#xff08;\u5982 src\/llmtuner\/data\/preprocess.py&#xff0c;\u5177\u4f53\u8def\u5f84\u8bf7\u67e5\u9605\u4f60\u4f7f\u7528\u7684\u7248\u672c&#xff09;\u4e2d&#xff0c;\u627e\u5230\u5904\u7406\u7279\u5b9a\u6570\u636e\u96c6\u683c\u5f0f&#xff08;\u5982 ShareGPT&#xff09;\u7684\u51fd\u6570\u3002\u901a\u8fc7\u65ad\u70b9\u6216\u6253\u5370&#xff0c;\u89c2\u5bdf\u539f\u59cb\u6570\u636e\u5982\u4f55\u88ab\u8f6c\u6362\u4e3a\u6a21\u578b\u8f93\u5165\u7684 Token ID \u548c\u6807\u7b7e\u3002<\/li>\n<li>PEFT \u5e94\u7528\u63a2\u7d22&#xff1a; \u5728\u6a21\u578b\u52a0\u8f7d\u6a21\u5757&#xff08;\u5982 src\/llmtuner\/model\/loader.py&#xff09;&#xff0c;\u627e\u5230\u8c03\u7528 get_peft_model \u7684\u5730\u65b9&#xff0c;\u67e5\u770b\u5982\u4f55\u6839\u636e\u7528\u6237\u914d\u7f6e&#xff08;\u5982 lora_target&#xff09;\u9009\u62e9\u6ce8\u5165 LoRA \u9002\u914d\u5668\u7684\u5c42\u3002<\/li>\n<\/ul>\n<h3>17.6 \u5fae\u8c03\u6a21\u578b\u7684\u8bc4\u4f30\u3001\u90e8\u7f72\u4e0e\u6301\u7eed\u8fed\u4ee3 (Llama Factory \u8f93\u51fa\u7684\u540e\u7eed)<\/h3>\n<p>\u5fae\u8c03\u5b8c\u6210\u5e76\u975e\u7ec8\u70b9\u3002<\/p>\n<ul>\n<li>\u8bc4\u4f30\u518d\u5f3a\u8c03 (\u56de\u987e Ch16): \u591a\u7ef4\u5ea6\u8bc4\u4f30&#xff08;\u4eba\u5de5\u3001\u81ea\u52a8\u5316\u3001\u4e0e RAG\/Prompting \u5bf9\u6bd4&#xff09;&#xff0c;\u5173\u6ce8\u6cdb\u5316\u4e0e\u707e\u96be\u6027\u9057\u5fd8\u3002<\/li>\n<li>\u6a21\u578b\u5bfc\u51fa\u4e0e\u5408\u5e76: Llama Factory \u652f\u6301\u5bfc\u51fa Adapter \u6743\u91cd&#xff0c;\u5e76\u63d0\u4f9b\u811a\u672c\u6216\u9009\u9879\u5c06 Adapter \u5408\u5e76\u56de\u57fa\u7840\u6a21\u578b&#xff0c;\u751f\u6210\u53ef\u76f4\u63a5\u90e8\u7f72\u7684\u5b8c\u6574\u6a21\u578b&#xff08;\u901a\u8fc7 PeftModel.merge_and_unload()&#xff09;\u3002<\/li>\n<li>\u90e8\u7f72\u8003\u91cf (\u8fde\u63a5\u4e0b\u4e00\u7ae0):\n<ul>\n<li>Adapter \u52a8\u6001\u52a0\u8f7d: \u73b0\u4ee3\u63a8\u7406\u6846\u67b6\u5982 vLLM (\u4e0b\u4e00\u7ae0\u8be6\u8ff0)\u3001Hugging Face TGI\u3001SGLang \u652f\u6301\u52a0\u8f7d\u57fa\u7840\u6a21\u578b\u540e\u52a8\u6001\u52a0\u8f7d\u548c\u5207\u6362 LoRA Adapter\u3002\u8fd9\u6781\u5927\u8282\u7701\u663e\u5b58&#xff0c;\u5141\u8bb8\u5355\u57fa\u7840\u6a21\u578b\u670d\u52a1\u591a\u5fae\u8c03\u4efb\u52a1\u3002vLLM \u901a\u5e38\u901a\u8fc7\u7279\u5b9a API \u53c2\u6570\u6216\u914d\u7f6e\u542f\u7528 LoRA\u3002<\/li>\n<li>\u5408\u5e76\u540e\u6a21\u578b\u90e8\u7f72: \u4e0e\u666e\u901a\u9884\u8bad\u7ec3\u6a21\u578b\u7c7b\u4f3c&#xff0c;\u4f46\u9700\u6ce8\u610f\u5927\u5c0f\u548c\u8ba1\u7b97\u9700\u6c42\u3002<\/li>\n<li>\u517c\u5bb9\u6027: 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