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@ -458,6 +458,13 @@ llm = LLM(model="../models/2b_sft_model/", tokenizer_mode="auto", trust_remote_c
llm = LLM(model="../models/8b_sft_model/", tokenizer_mode="cpm", trust_remote_code=True) llm = LLM(model="../models/8b_sft_model/", tokenizer_mode="cpm", trust_remote_code=True)
``` ```
如果想使用多轮对话,需要指定对应的聊天模版,修改prompts,每次将上一轮的问题和答案拼接到本轮输入即可:
``` python
prompts = [
"<用户>问题1<AI>答案1<用户>问题2<AI>答案2<用户>问题3<AI>"
]
```
### 部署OpenAI API服务推理 ### 部署OpenAI API服务推理
vLLM可以为 LLM 服务进行部署,这里提供了一个示例: vLLM可以为 LLM 服务进行部署,这里提供了一个示例:
1. 启动服务: 1. 启动服务:
@ -494,7 +501,7 @@ INFO: Application startup complete.
INFO: Uvicorn running on http://0.0.0.0:8000 (Press CTRL+C to quit) INFO: Uvicorn running on http://0.0.0.0:8000 (Press CTRL+C to quit)
``` ```
2. 调用API 2. 调用推理API
启动服务端成功后重新打开一个终端可参考执行以下python脚本 启动服务端成功后重新打开一个终端可参考执行以下python脚本
``` python ``` python
@ -512,6 +519,30 @@ completion = client.completions.create(model="../models/9G/",
print("Completion result:", completion) print("Completion result:", completion)
``` ```
3. 调用多轮对话API
启动服务端成功后重新打开一个终端可参考执行以下python脚本
``` python
# chat_client.py
from openai import OpenAI
client = OpenAI(
base_url="http://localhost:8000/v1",
api_key="CPMAPI",
)
#每次将上一轮的问题和答案拼接到本轮输入即可
completion = client.chat.completions.create(
model="../models/9G/",
messages=[
{"role": "user", "content": "问题1"},
{"role": "system", "content": "答案1"},
{"role": "user", "content": "问题2"},
{"role": "system", "content": "答案2"},
{"role": "user", "content": "问题3"},
]
)
print(completion.choices[0].message)
```
## 常见问题 ## 常见问题
1. Conda安装pytorch时卡在solving environment网络问题。 1. Conda安装pytorch时卡在solving environment网络问题。
解决方法: 解决方法: