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LMDeploy 量化部署实践闯关任务

环境配置

conda create -n lmdeploy  python=3.10 -y
conda activate lmdeploy
conda install pytorch==2.1.2 torchvision==0.16.2 torchaudio==2.1.2 pytorch-cuda=12.1 -c pytorch -c nvidia -y
pip install timm==1.0.8 openai==1.40.3 lmdeploy[all]==0.5.3pip install datasets==2.19.2

创建文件夹并设置开发机共享目录的软链接。

mkdir /root/models
ln -s /root/share/new_models/Shanghai_AI_Laboratory/internlm2_5-7b-chat /root/models
ln -s /root/share/new_models/Shanghai_AI_Laboratory/internlm2_5-1_8b-chat /root/models
ln -s /root/share/new_models/OpenGVLab/InternVL2-26B /root/models

启动InternLM2_5-1_8b-chat

lmdeploy chat /root/models/internlm2_5-1_8b-chat

API部署

lmdeploy serve api_server \/root/models/internlm2_5-1_8b-chat \--model-format hf \--quant-policy 0 \--server-name 0.0.0.0 \--server-port 23333 \--tp 1

以命令行形式连接API服务器
关闭http://127.0.0.1:23333网页，但保持终端和本地窗口不动，新建一个终端。

以Gradio网页形式连接API服务器

lmdeploy serve gradio http://localhost:23333 \--server-name 0.0.0.0 \--server-port 6006

W4A16 量化+ KV cache+KV cache 量化

lmdeploy serve api_server \/root/models/internlm2_5-1_8b-chat-w4a16-4bit/ \--model-format awq \--quant-policy 4 \--cache-max-entry-count 0.4\--server-name 0.0.0.0 \--server-port 23333 \--tp 1

原模型

量化后

量化后做kv cache

lmdeploy serve api_server \/root/models/internlm2_5-1_8b-chat-w4a16-4bit/ \--model-format awq \--quant-policy 4 \--cache-max-entry-count 0.4\--server-name 0.0.0.0 \--server-port 23333 \--tp 1

Function call

conda activate lmdeploy
lmdeploy serve api_server \/root/models/internlm2_5-7b-chat \--model-format hf \--quant-policy 0 \--server-name 0.0.0.0 \--server-port 23333 \--tp 1

touch /root/internlm2_5_func.py

from openai import OpenAIdef add(a: int, b: int):return a + bdef mul(a: int, b: int):return a * btools = [{'type': 'function','function': {'name': 'add','description': 'Compute the sum of two numbers','parameters': {'type': 'object','properties': {'a': {'type': 'int','description': 'A number',},'b': {'type': 'int','description': 'A number',},},'required': ['a', 'b'],},}
}, {'type': 'function','function': {'name': 'mul','description': 'Calculate the product of two numbers','parameters': {'type': 'object','properties': {'a': {'type': 'int','description': 'A number',},'b': {'type': 'int','description': 'A number',},},'required': ['a', 'b'],},}
}]
messages = [{'role': 'user', 'content': 'Compute (3+5)*2'}]client = OpenAI(api_key='YOUR_API_KEY', base_url='http://0.0.0.0:23333/v1')
model_name = client.models.list().data[0].id
response = client.chat.completions.create(model=model_name,messages=messages,temperature=0.8,top_p=0.8,stream=False,tools=tools)
print(response)
func1_name = response.choices[0].message.tool_calls[0].function.name
func1_args = response.choices[0].message.tool_calls[0].function.arguments
func1_out = eval(f'{func1_name}(**{func1_args})')
print(func1_out)messages.append({'role': 'assistant','content': response.choices[0].message.content
})
messages.append({'role': 'environment','content': f'3+5={func1_out}','name': 'plugin'
})
response = client.chat.completions.create(model=model_name,messages=messages,temperature=0.8,top_p=0.8,stream=False,tools=tools)
print(response)
func2_name = response.choices[0].message.tool_calls[0].function.name
func2_args = response.choices[0].message.tool_calls[0].function.arguments
func2_out = eval(f'{func2_name}(**{func2_args})')
print(func2_out)

python /root/internlm2_5_func.py

遇到如下问题proxys报错问题，把httpx版本改为0.27.0