Support MLA_CACHE & Fix V1_Schedule Bug #4318
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chang-wenbin
commented
Sep 29, 2025
chang-wenbin
commented
- Support cache initialization of MLA backend to rationalize the allocation of kvcache video memory, blocknum from 1500->4500, concurrency from 45->145.
- Fixed a bug in v1-schedule that caused the number of activated tokens to exceed max-num-batched-tokens.
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Thanks for your contribution! |
zhoutianzi666
approved these changes
Sep 29, 2025
qingqing01
reviewed
Sep 29, 2025
| # To rationalize the allocation of kvcache. | ||
| from fastdeploy import envs | ||
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| self.mla_cache = envs.FD_ATTENTION_BACKEND == "MLA_ATTN" |
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这里是用 MLA 的模型自动设置此环境变量，还是需要手动设置？
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目前是启动脚本手动设置 export FD_ATTENTION_BACKEND="MLA_ATTN"，
后面会根据config.json中的model_type 自动设置backend,这项修改计划和mla默认开启tensor_core一起提交。
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