[Feature] qwen3.5可以turbo后端可以开启prefill cache吗

[janelu9]

Motivation

qwen3.5可以turbo后端可以开启prefill_cache吗 禁用多模态后可以吗

Related resources

No response

Additional context

No response

[lvhan028]

main分支，turbomind 已经支持了 qwen3.5 prefix caching, both text and multimodal.

[janelu9]

main分支，turbomind 已经支持了 qwen3.5 prefix caching, both text and multimodal.

同学们测下来 提升不多 没有vllm开启prefill cache后快的明显,什么问题