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## 模型说明
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### 1. 对话模型支持
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模型仅支持通过API调用的模型,如果是需要运行本地模型,则建议使用 vllm 转成 API 服务之后使用。
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2024-07-21 18:15:28 +08:00
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|模型供应商(`config.model_provider`)|默认模型(`config.model_name`)|配置项目(`.env`)|
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|:-|:-|:-|
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|`qianfan`|`ernie_speed`|`QIANFAN_ACCESS_KEY`, `QIANFAN_SECRET_KEY`|
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|`zhipu`|`glm-4`|`ZHIPUAPI`|
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|`deepseek`|`deepseek-chat`|`DEEPSEEKAPI`|
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|`vllm`|`vllm`|`VLLM_API_KEY`, `VLLM_API_BASE`|
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vllm 的具体配置项可以参考[这里](https://docs.vllm.ai/en/latest/serving/openai_compatible_server.html#named-arguments), 部署参考脚本:
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```bash
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python -m vllm.entrypoints.openai.api_server \
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--model="/home/zwj/workspace/models/chatglm3-6b" \
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--tensor-parallel-size 1 \
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--trust-remote-code \
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--device auto \
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--gpu-memory-utilization 0.98 \
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--dtype half \
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--served-model-name "vllm" \
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--host 0.0.0.0 \
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--port 8080
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```
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*openai 没条件测,不知道
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### 2. 向量模型支持
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|模型名称(`config.embed_model`)|默认路径/模型|需要配置项目(`config.model_local_paths`)|
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|:-|:-|:-|
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|`bge-large-zh-v1.5`|`BAAI/bge-large-zh-v1.5`|`bge-large-zh-v1.5`(*修改为本地路径)|
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|`zhipu`|`embedding-2`|`ZHIPUAPI` (`.env`)|
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### 3. 重排序模型支持
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例如(`config/base.yaml`):
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```yaml
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model_provider: qianfan
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model_name: null # for default
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## model dir 可以写相对路径和绝对路径
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### 相对路径是相对于环境变量 (.env) 中 MODEL_ROOT_DIR 的路径
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model_local_paths:
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bge-large-zh-v1.5: /models/bge-large-zh-v1.5
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```
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