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350f9e107f
Since #4335 was merged, I've noticed that the definition of ServerRunner in the tests is the same as in the test for OpenAI API. I have moved the class to the test utilities to avoid code duplication. (Although it only has been repeated twice so far, I will add another similar test suite in #4200 which would duplicate the code a third time) Also, I have moved the test utilities file (test_utils.py) to under the test directory (tests/utils.py), since none of its code is actually used in the main package. Note that I have added __init__.py to each test subpackage and updated the ray.init() call in the test utilities file in order to relative import tests/utils.py.
Easy, fast, and cheap LLM serving for everyone
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Latest News 🔥
- [2024/04] We hosted the third vLLM meetup with Roblox! Please find the meetup slides here.
- [2024/01] We hosted the second vLLM meetup in SF! Please find the meetup slides here.
- [2024/01] Added ROCm 6.0 support to vLLM.
- [2023/12] Added ROCm 5.7 support to vLLM.
- [2023/10] We hosted the first vLLM meetup in SF! Please find the meetup slides here.
- [2023/09] We created our Discord server! Join us to discuss vLLM and LLM serving! We will also post the latest announcements and updates there.
- [2023/09] We released our PagedAttention paper on arXiv!
- [2023/08] We would like to express our sincere gratitude to Andreessen Horowitz (a16z) for providing a generous grant to support the open-source development and research of vLLM.
- [2023/07] Added support for LLaMA-2! You can run and serve 7B/13B/70B LLaMA-2s on vLLM with a single command!
- [2023/06] Serving vLLM On any Cloud with SkyPilot. Check out a 1-click example to start the vLLM demo, and the blog post for the story behind vLLM development on the clouds.
- [2023/06] We officially released vLLM! FastChat-vLLM integration has powered LMSYS Vicuna and Chatbot Arena since mid-April. Check out our blog post.
About
vLLM is a fast and easy-to-use library for LLM inference and serving.
vLLM is fast with:
- State-of-the-art serving throughput
- Efficient management of attention key and value memory with PagedAttention
- Continuous batching of incoming requests
- Fast model execution with CUDA/HIP graph
- Quantization: GPTQ, AWQ, SqueezeLLM, FP8 KV Cache
- Optimized CUDA kernels
vLLM is flexible and easy to use with:
- Seamless integration with popular Hugging Face models
- High-throughput serving with various decoding algorithms, including parallel sampling, beam search, and more
- Tensor parallelism support for distributed inference
- Streaming outputs
- OpenAI-compatible API server
- Support NVIDIA GPUs and AMD GPUs
- (Experimental) Prefix caching support
- (Experimental) Multi-lora support
vLLM seamlessly supports many Hugging Face models, including the following architectures:
- Aquila & Aquila2 (
BAAI/AquilaChat2-7B,BAAI/AquilaChat2-34B,BAAI/Aquila-7B,BAAI/AquilaChat-7B, etc.) - Baichuan & Baichuan2 (
baichuan-inc/Baichuan2-13B-Chat,baichuan-inc/Baichuan-7B, etc.) - BLOOM (
bigscience/bloom,bigscience/bloomz, etc.) - ChatGLM (
THUDM/chatglm2-6b,THUDM/chatglm3-6b, etc.) - Command-R (
CohereForAI/c4ai-command-r-v01, etc.) - DBRX (
databricks/dbrx-base,databricks/dbrx-instructetc.) - DeciLM (
Deci/DeciLM-7B,Deci/DeciLM-7B-instruct, etc.) - Falcon (
tiiuae/falcon-7b,tiiuae/falcon-40b,tiiuae/falcon-rw-7b, etc.) - Gemma (
google/gemma-2b,google/gemma-7b, etc.) - GPT-2 (
gpt2,gpt2-xl, etc.) - GPT BigCode (
bigcode/starcoder,bigcode/gpt_bigcode-santacoder, etc.) - GPT-J (
EleutherAI/gpt-j-6b,nomic-ai/gpt4all-j, etc.) - GPT-NeoX (
EleutherAI/gpt-neox-20b,databricks/dolly-v2-12b,stabilityai/stablelm-tuned-alpha-7b, etc.) - InternLM (
internlm/internlm-7b,internlm/internlm-chat-7b, etc.) - InternLM2 (
internlm/internlm2-7b,internlm/internlm2-chat-7b, etc.) - Jais (
core42/jais-13b,core42/jais-13b-chat,core42/jais-30b-v3,core42/jais-30b-chat-v3, etc.) - LLaMA, Llama 2, and Meta Llama 3 (
meta-llama/Meta-Llama-3-8B-Instruct,meta-llama/Meta-Llama-3-70B-Instruct,meta-llama/Llama-2-70b-hf,lmsys/vicuna-13b-v1.3,young-geng/koala,openlm-research/open_llama_13b, etc.) - MiniCPM (
openbmb/MiniCPM-2B-sft-bf16,openbmb/MiniCPM-2B-dpo-bf16, etc.) - Mistral (
mistralai/Mistral-7B-v0.1,mistralai/Mistral-7B-Instruct-v0.1, etc.) - Mixtral (
mistralai/Mixtral-8x7B-v0.1,mistralai/Mixtral-8x7B-Instruct-v0.1,mistral-community/Mixtral-8x22B-v0.1, etc.) - MPT (
mosaicml/mpt-7b,mosaicml/mpt-30b, etc.) - OLMo (
allenai/OLMo-1B-hf,allenai/OLMo-7B-hf, etc.) - OPT (
facebook/opt-66b,facebook/opt-iml-max-30b, etc.) - Orion (
OrionStarAI/Orion-14B-Base,OrionStarAI/Orion-14B-Chat, etc.) - Phi (
microsoft/phi-1_5,microsoft/phi-2, etc.) - Phi-3 (
microsoft/Phi-3-mini-4k-instruct,microsoft/Phi-3-mini-128k-instruct, etc.) - Qwen (
Qwen/Qwen-7B,Qwen/Qwen-7B-Chat, etc.) - Qwen2 (
Qwen/Qwen1.5-7B,Qwen/Qwen1.5-7B-Chat, etc.) - Qwen2MoE (
Qwen/Qwen1.5-MoE-A2.7B,Qwen/Qwen1.5-MoE-A2.7B-Chat, etc.) - StableLM(
stabilityai/stablelm-3b-4e1t,stabilityai/stablelm-base-alpha-7b-v2, etc.) - Starcoder2(
bigcode/starcoder2-3b,bigcode/starcoder2-7b,bigcode/starcoder2-15b, etc.) - Xverse (
xverse/XVERSE-7B-Chat,xverse/XVERSE-13B-Chat,xverse/XVERSE-65B-Chat, etc.) - Yi (
01-ai/Yi-6B,01-ai/Yi-34B, etc.)
Install vLLM with pip or from source:
pip install vllm
Getting Started
Visit our documentation to get started.
Contributing
We welcome and value any contributions and collaborations. Please check out CONTRIBUTING.md for how to get involved.
Citation
If you use vLLM for your research, please cite our paper:
@inproceedings{kwon2023efficient,
title={Efficient Memory Management for Large Language Model Serving with PagedAttention},
author={Woosuk Kwon and Zhuohan Li and Siyuan Zhuang and Ying Sheng and Lianmin Zheng and Cody Hao Yu and Joseph E. Gonzalez and Hao Zhang and Ion Stoica},
booktitle={Proceedings of the ACM SIGOPS 29th Symposium on Operating Systems Principles},
year={2023}
}