[Bug] 不支持qwen0.5b的加速？以及qwen0.5b的awq量化？

### Checklist

- [ ] 1. I have searched related issues but cannot get the expected help.
- [ ] 2. The bug has not been fixed in the latest version.

### Describe the bug

是否不支持qwen0.5b的加速？以及qwen0.5b的awq量化？
qwen0.5b 单卡t4 推理延时如下：
vllm：1.3s
lmdeploy:3.2s

### Reproduction

from lmdeploy import pipeline, GenerationConfig, TurbomindEngineConfig
backend_config = TurbomindEngineConfig(cache_max_entry_count=0.9)
gen_config = GenerationConfig(top_p=0.95,
temperature=0.001,
max_new_tokens=512)

llm = pipeline(model_path,
backend_config=backend_config)

arrival_time = time.time()
llm_results = llm(prompts, gen_config=gen_config)
finished_time = time.time()

### Environment

```Shell
lmdeploy 0.4.2
```

### Error traceback

_No response_