support vLLM >=0.11.0 (V1 engine) for better performance #1640
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Support running CosyVoice2 inference with vLLM 0.11.0(V1 engine only) for better performance.
Under the same conditions, compared with vLLM 0.9.0 (V0 engine), the first-chunk latency for inference with vLLM 0.11.0 (V1 engine) is reduced by approximately 15+ ms. Additionally, the first-chunk latency is more stable, with much smaller fluctuations than the V0 engine.