sglang/docs/flashinfer.md

Flashinfer Mode

flashinfer is a kernel library for LLM serving. It can be used in SGLang runtime to accelerate attention computation.

Install flashinfer

Note: The compilation can take a very long time.

git submodule update --init --recursive
pip install 3rdparty/flashinfer/python

Run a Server With Flashinfer Mode

Add --model-mode flashinfer argument to enable flashinfer when launching a server.

Example:

python -m sglang.launch_server --model-path meta-llama/Llama-2-7b-chat-hf --port 30000 --model-mode flashinfer