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https://github.com/InternLM/lmdeploy

LMDeploy is a toolkit for compressing, deploying, and serving LLMs.
https://github.com/InternLM/lmdeploy

codellama cuda-kernels deepspeed fastertransformer internlm llama llama2 llm llm-inference turbomind

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LMDeploy is a toolkit for compressing, deploying, and serving LLMs.

Host: GitHub
URL: https://github.com/InternLM/lmdeploy
Owner: InternLM
License: apache-2.0
Created: 2023-06-15T12:38:06.000Z (12 months ago)
Default Branch: main
Last Pushed: 2024-01-13T09:44:23.000Z (5 months ago)
Last Synced: 2024-01-14T02:55:43.983Z (5 months ago)
Topics: codellama, cuda-kernels, deepspeed, fastertransformer, internlm, llama, llama2, llm, llm-inference, turbomind
Language: C++
Homepage:
Size: 2.13 MB
Stars: 1,686
Watchers: 21
Forks: 146
Open Issues: 85
Metadata Files:
- Readme: README.md
- Contributing: .github/CONTRIBUTING.md
- License: LICENSE

Lists

awesome-stars - lmdeploy
awesome-stars - InternLM/lmdeploy - LMDeploy is a toolkit for compressing, deploying, and serving LLMs. (Python)
awesome-stars - InternLM/lmdeploy - LMDeploy is a toolkit for compressing, deploying, and serving LLMs. (Python)
awesome-local-ai - LmDeploy - LMDeploy is a toolkit for compressing, deploying, and serving LLMs. | Pytorch / Turbomind | Both | ❌ | Python/C++ | Text-Gen | (Inference Engine)
awesome-local-llms - lmdeploy
Awesome-LLM - LMDeploy - A high-throughput and low-latency inference and serving framework for LLMs and VLs (LLM Deployment)
Awesome-LLM?tab=readme-ov-file - LMDeploy - A high-throughput and low-latency inference and serving framework for LLMs and VLs (LLM Deployment)

README

        


  

[![docs](https://img.shields.io/badge/docs-latest-blue)](https://lmdeploy.readthedocs.io/en/latest/)

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English | [简体中文](README_zh-CN.md)





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______________________________________________________________________

## Latest News 🎉

2024

- \[2024/01\] [OpenAOE](https://github.com/InternLM/OpenAOE) seamless integration with [LMDeploy Serving Service](./docs/en/serving/restful_api.md).

- \[2024/01\] Support for multi-model, multi-machine, multi-card inference services. For usage instructions, please refer to [here](./docs/en/serving/proxy_server.md)

- \[2024/01\] Support [PyTorch inference engine](./docs/en/inference/pytorch.md), developed entirely in Python, helping to lower the barriers for developers and enable  rapid experimentation with new features and technologies.

2023

- \[2023/12\] Turbomind supports multimodal input. [Gradio Demo](./examples/vl/README.md)

- \[2023/11\] Turbomind supports loading hf model directly. Click [here](docs/en/inference/load_hf.md) for details.

- \[2023/11\] TurboMind major upgrades, including: Paged Attention, faster attention kernels without sequence length limitation, 2x faster KV8 kernels, Split-K decoding (Flash Decoding), and W4A16 inference for sm_75

- \[2023/09\] TurboMind supports Qwen-14B

- \[2023/09\] TurboMind supports InternLM-20B

- \[2023/09\] TurboMind supports all features of Code Llama: code completion, infilling, chat / instruct, and python specialist. Click [here](./docs/en/supported_models/codellama.md) for deployment guide

- \[2023/09\] TurboMind supports Baichuan2-7B

- \[2023/08\] TurboMind supports flash-attention2.

- \[2023/08\] TurboMind supports Qwen-7B, dynamic NTK-RoPE scaling and dynamic logN scaling

- \[2023/08\] TurboMind supports Windows (tp=1)

- \[2023/08\] TurboMind supports 4-bit inference, 2.4x faster than FP16, the fastest open-source implementation. Check [this](docs/en/quantization/w4a16.md) guide for detailed info

- \[2023/08\] LMDeploy has launched on the [HuggingFace Hub](https://huggingface.co/lmdeploy), providing ready-to-use 4-bit models.

- \[2023/08\] LMDeploy supports 4-bit quantization using the [AWQ](https://arxiv.org/abs/2306.00978) algorithm.

- \[2023/07\] TurboMind supports Llama-2 70B with GQA.

- \[2023/07\] TurboMind supports Llama-2 7B/13B.

- \[2023/07\] TurboMind supports tensor-parallel inference of InternLM.

______________________________________________________________________

# Introduction

LMDeploy is a toolkit for compressing, deploying, and serving LLM, developed by the [MMRazor](https://github.com/open-mmlab/mmrazor) and [MMDeploy](https://github.com/open-mmlab/mmdeploy) teams. It has the following core features:

- **Efficient Inference**: LMDeploy delivers up to 1.8x higher request throughput than vLLM, by introducing key features like persistent batch(a.k.a. continuous batching), blocked KV cache, dynamic split&fuse, tensor parallelism, high-performance CUDA kernels and so on.

- **Effective Quantization**: LMDeploy supports weight-only and k/v quantization, and the 4-bit inference performance is 2.4x higher than FP16. The quantization quality has been confirmed via OpenCompass evaluation.

- **Effortless Distribution Server**: Leveraging the request distribution service, LMDeploy facilitates an easy and efficient deployment of multi-model services across multiple machines and cards.

- **Interactive Inference Mode**: By caching the k/v of attention during multi-round dialogue processes, the engine remembers dialogue history, thus avoiding repetitive processing of historical sessions.

# Performance

![v0 1 0-benchmark](https://github.com/InternLM/lmdeploy/assets/4560679/8e455cf1-a792-4fa8-91a2-75df96a2a5ba)

For detailed inference benchmarks in more devices and more settings, please refer to the following link:

- [A100](./docs/en/benchmark/a100_fp16.md)

- V100

- 4090

- 3090

- 2080

# Supported Models

|       Model        |    Size    |

| :----------------: | :--------: |

|       Llama        |  7B - 65B  |

|       Llama2       |  7B - 70B  |

|      InternLM      |  7B - 20B  |

|     InternLM2      |  7B - 20B  |

| InternLM-XComposer |     7B     |

|        QWen        |  7B - 72B  |

|      QWen1.5       | 0.5B - 72B |

|      QWen-VL       |     7B     |

|      Baichuan      |  7B - 13B  |

|     Baichuan2      |  7B - 13B  |

|     Code Llama     |  7B - 34B  |

|      ChatGLM2      |     6B     |

|       Falcon       | 7B - 180B  |

|         YI         |  6B - 34B  |

|      Mistral       |     7B     |

LMDeploy has developed two inference engines - [TurboMind](./docs/en/inference/turbomind.md) and [PyTorch](./docs/en/inference/pytorch.md), each with a different focus. The former strives for ultimate optimization of inference performance, while the latter, developed purely in Python, aims to decrease the barriers for developers.

They differ in the types of supported models and the inference data type. Please refer to [this table](./docs/en/supported_models/supported_models.md) for each engine's capability and choose the proper one that best fits your actual needs.

# Quick Start

## Installation

Install lmdeploy with pip ( python 3.8+) or [from source](./docs/en/build.md)

```shell

pip install lmdeploy

```

The default prebuilt package is compiled on CUDA 11.8. However, if CUDA 12+ is required, you can install lmdeploy by:

```shell

export LMDEPLOY_VERSION=0.2.0

export PYTHON_VERSION=38

pip install https://github.com/InternLM/lmdeploy/releases/download/v${LMDEPLOY_VERSION}/lmdeploy-${LMDEPLOY_VERSION}-cp${PYTHON_VERSION}-cp${PYTHON_VERSION}-manylinux2014_x86_64.whl

```

## Offline Batch Inference

```python

import lmdeploy

pipe = lmdeploy.pipeline("internlm/internlm-chat-7b")

response = pipe(["Hi, pls intro yourself", "Shanghai is"])

print(response)

```

> \[!NOTE\]

> By default, LMDeploy downloads model from HuggingFace. If you would like to use models from ModelScope, please install ModelScope by `pip install modelscope` and set the environment variable:

>

> `export LMDEPLOY_USE_MODELSCOPE=True`

For more information about inference pipeline, please refer to [here](./docs/en/inference/pipeline.md).

# Tutorials

Please overview [getting_started](./docs/en/get_started.md) section for the basic usage of LMDeploy.

For detailed user guides and advanced guides, please refer to our [tutorials](https://lmdeploy.readthedocs.io/en/latest/):

- User Guide

  - [Inference pipeline](./docs/en/inference/pipeline.md)

  - [Inference Engine - TurboMind](docs/en/inference/turbomind.md)

  - [Inference Engine - PyTorch](docs/en/inference/pytorch.md)

  - [Serving](docs/en/serving/restful_api.md)

  - [Quantization](docs/en/quantization)

- Advance Guide

  - Add chat template

  - Add a new model

  - gemm tuning

  - [Long context inference](docs/en/advance/long_context.md)

  - [Multi-model inference service](docs/en/serving/proxy_server.md)

## Contributing

We appreciate all contributions to LMDeploy. Please refer to [CONTRIBUTING.md](.github/CONTRIBUTING.md) for the contributing guideline.

## Acknowledgement

- [FasterTransformer](https://github.com/NVIDIA/FasterTransformer)

- [llm-awq](https://github.com/mit-han-lab/llm-awq)

- [vLLM](https://github.com/vllm-project/vllm)

- [DeepSpeed-MII](https://github.com/microsoft/DeepSpeed-MII)

## License

This project is released under the [Apache 2.0 license](LICENSE).