support weight-update in disaggregated mode using sglang#1766
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PengchengShi00 wants to merge 1 commit intoInternLM:rl_designfrom
Open
support weight-update in disaggregated mode using sglang#1766PengchengShi00 wants to merge 1 commit intoInternLM:rl_designfrom
PengchengShi00 wants to merge 1 commit intoInternLM:rl_designfrom
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a. 创建训练 ranks 之间使用的 gloo group，训推分离权重同步时通过该group做 barrier
b. 创建了一个 NCCL process group，用来将训练 rank0 把 bucket 后的权重 broadcast 给 SGLang rollout ranks：