vllm
https://github.com/vllm-project/vllm
Python
A high-throughput and memory-efficient inference and serving engine for LLMs
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- Issues
- [Bug]: Prefix caching fails for incremental multimodal requests on Mamba-Attention hybrid models (Qwen3.5)
- Optimize DFlash context KV cache updates
- [Bug]: Qwen3-VL-2B-Instruct Geo3K accuracy score lower than SGLang with deterministic sampling
- [MRV2][KVCache] Optimize block mapping with np array
- [Bugfix] Fix KeyError on KV-shared consumer layer in get_attn_backends_for_group
- [CI/Perf] Invalid JSON in serving benchmark config
- [Bug]: MoE+DP — zero-token-scheduled step skips coordinate_batch_across_dp for ray/mp DP backends → ~T+1h NCCL reduce_scatter deadlock
- [Bug]: AssertFail
- Fix custom allreduce warmup values
- [Quant] Manual fusion for static FP8 attention output quant
- Docs
- Python not yet supported