Major changes

• Up to 60% performance improvement by optimizing de-tokenization and sampler
• Initial support for AWQ (performance not optimized)
• Support for RoPE scaling and LongChat
• Support for Mistral-7B
• Many bug fixes

What's Changed

• add option to shorten prompt print in log by @leiwen83 in #991
• Make max_model_len configurable by @Yard1 in #972
• Fix typo in README.md by @eltociear in #1033
• Use TGI-like incremental detokenization by @Yard1 in #984
• Add Model Revision Support in #1014
• [FIX] Minor bug fixes by @zhuohan123 in #1035
• Announce paper release by @WoosukKwon in #1036
• Fix detokenization leaving special tokens by @Yard1 in #1044
• Add pandas to requirements.txt by @WoosukKwon in #1047
• OpenAI-Server: Only fail if logit_bias has actual values by @LLukas22 in #1045
• Fix warning message on LLaMA FastTokenizer by @WoosukKwon in #1037
• Abort when coroutine is cancelled by @rucyang in #1020
• Implement AWQ quantization support for LLaMA by @WoosukKwon in #1032
• Remove AsyncLLMEngine busy loop, shield background task by @Yard1 in #1059
• Fix hanging when prompt exceeds limit by @chenxu2048 in #1029
• [FIX] Don't initialize parameter by default by @zhuohan123 in #1067
• added support for quantize on LLM module by @orellavie1212 in #1080
• align llm_engine and async_engine step method. by @esmeetu in #1081
• Fix get_max_num_running_seqs for waiting and swapped seq groups by @zhuohan123 in #1068
• Add safetensors support for quantized models by @WoosukKwon in #1073
• Add minimum capability requirement for AWQ by @WoosukKwon in #1064
• [Community] Add vLLM Discord server by @zhuohan123 in #1086
• Add pyarrow to dependencies & Print warning on Ray import error by @WoosukKwon in #1094
• Add gpu_memory_utilization and swap_space to LLM by @WoosukKwon in #1090
• Add documentation to Triton server tutorial by @tanmayv25 in #983
• rope_theta and max_position_embeddings from config by @Yard1 in #1096
• Replace torch.cuda.DtypeTensor with torch.tensor by @WoosukKwon in #1123
• Add float16 and float32 to dtype choices by @WoosukKwon in #1115
• clean api code, remove redundant background task. by @esmeetu in #1102
• feat: support stop_token_ids parameter. by @gesanqiu in #1097
• Use --ipc=host in docker run for distributed inference by @WoosukKwon in #1125
• Docs: Fix broken link to openai example by @nkpz in #1145
• Announce the First vLLM Meetup by @WoosukKwon in #1148
• [Sampler] Vectorized sampling (simplified) by @zhuohan123 in #1048
• [FIX] Simplify sampler logic by @zhuohan123 in #1156
• Fix config for Falcon by @WoosukKwon in #1164
• Align max_tokens behavior with openai by @HermitSun in #852
• [Setup] Enable TORCH_CUDA_ARCH_LIST for selecting target GPUs by @WoosukKwon in #1074
• Add comments on RoPE initialization by @WoosukKwon in #1176
• Allocate more shared memory to attention kernel by @Yard1 in #1154
• Support Longchat by @LiuXiaoxuanPKU in #555
• fix typo (?) by @WrRan in #1184
• fix qwen-14b model by @Sanster in #1173
• Automatically set max_num_batched_tokens by @WoosukKwon in #1198
• Use standard extras for uvicorn by @danilopeixoto in #1166
• Keep special sampling params by @blahblahasdf in #1186
• qwen add rope_scaling by @Sanster in #1210
• [Mistral] Mistral-7B-v0.1 support by @Bam4d in #1196
• Fix Mistral model by @WoosukKwon in #1220
• [Fix] Remove false assertion by @WoosukKwon in #1222
• Add Mistral to supported model list by @WoosukKwon in #1221
• Fix OOM in attention kernel test by @WoosukKwon in #1223
• Provide default max model length by @WoosukKwon in #1224
• Bump up the version to v0.2.0 by @WoosukKwon in #1212

New Contributors

• @leiwen83 made their first contribution in #991
• @LLukas22 made their first contribution in #1045
• @rucyang made their first contribution in #1020
• @chenxu2048 made their first contribution in #1029
• @orellavie1212 made their first contribution in #1080
• @tanmayv25 made their first contribution in #983
• @nkpz made their first contribution in #1145
• @WrRan made their first contribution in #1184
• @danilopeixoto made their first contribution in #1166
• @blahblahasdf made their first contribution in #1186
• @Bam4d made their first contribution in #1196

Full Changelog: v0.1.7...v0.2.0