release initial code

Co-authored-by: Ying Sheng <sqy1415@gmail.com>
Co-authored-by: Liangsheng Yin <hnyls2002@gmail.com>
Co-authored-by: Zhiqiang Xie <xiezhq@stanford.edu>
Co-authored-by: parasol-aser <3848358+parasol-aser@users.noreply.github.com>
Co-authored-by: LiviaSun <33578456+ChuyueSun@users.noreply.github.com>
Co-authored-by: Cody Yu <hao.yu.cody@gmail.com>

docs/test_process.md

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+## SRT Unit Tests
+
+### Low-level API
+```
+cd sglang/test/srt/model
+
+python3 test_llama_low_api.py
+python3 test_llama_extend.py
+python3 test_llava_low_api.py
+python3 bench_llama_low_api.py
+```
+
+### High-level API
+
+```
+python -m sglang.launch_server --model-path meta-llama/Llama-2-7b-chat-hf --port 30000
+```
+
+```
+cd test/lang
+python3 test_srt_backend.py
+```
+
+### Performance
+
+#### MMLU
+```
+cd benchmark/mmlu
+```
+Follow README.md to download the data.
+
+```
+python3 bench_sglang.py --nsub 3
+
+# Expected performance on A10G
+# Total latency: 8.200
+# Average accuracy: 0.413
+```
+
+### More Models
+
+#### LLaVA
+
+```
+python3 -m sglang.launch_server --model-path liuhaotian/llava-v1.5-7b --tokenizer-path llava-hf/llava-1.5-7b-hf --port 30000
+```
+
+```
+cd benchmark/llava_bench
+python3 bench_sglang.py
+```
+
+## SGLang Unit Tests
+```
+export ANTHROPIC_API_KEY=
+export OPENAI_API_KEY=
+python -m sglang.launch_server --model-path meta-llama/Llama-2-7b-chat-hf --port 30000
+```
+
+```
+cd test/lang
+python3 run_all.py
+```