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# InfiniLM
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本项目是基于 [`InfiniCore`](https://github.com/InfiniTensor/InfiniCore) 的推理引擎。

## 使用方式

- 编译并安装 `InfiniCore` 。注意根据提示设置好 `INFINI_ROOT` 环境变量(默认为 `$HOME/.infini`)。

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- 编译并安装 `InfiniLM`
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```bash
xmake && xmake install
```

- 运行模型推理测试

```bash
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python scripts/jiuge.py [--cpu | --nvidia | --cambricon | --ascend | --metax | --moore | --iluvatar | --kunlun | --hygon] path/to/model_dir [n_device]
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```

- 部署模型推理服务

```bash
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python scripts/launch_server.py --model-path MODEL_PATH [-h] [--dev {cpu,nvidia,cambricon,ascend,metax,moore,iluvatar,kunlun,hygon}] [--ndev NDEV] [--max-batch MAX_BATCH] [--max-tokens MAX_TOKENS]
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```

- 测试模型推理服务性能

```bash
python scripts/test_perf.py 
```

- 使用推理服务测试模型困惑度(Perplexity)

```bash
python scripts/test_ppl.py --model-path MODEL_PATH [--ndev NDEV] [--max-batch MAX_BATCH] [--max-tokens MAX_TOKENS]
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```
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## 使用方式(新版)

- 编译并安装 `InfiniCore`, 详情见 InfiniCore的 [`README`](https://github.com/InfiniTensor/InfiniCore) :
    
    - 注意根据提示设置好 `INFINI_ROOT` 环境变量(默认为 `$HOME/.infini`
    - 根据硬件平台,选择 xmake 构建配置
    - 编译安装InfiniCore
    - 安装 C++ 库
    - 安装 Python 包

- 单次推理测试
    - llama示例
```bash
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python examples/llama.py [--cpu | --nvidia | --metax | --moore | --iluvatar] --model_path=<path/to/model_dir>
```
例如:
```bash
python examples/llama.py --nvidia --model_path=~/TinyLlama-1.1B-Chat-v1.0
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```