feat(grpo): add M2PO for stale-rollout training - #9965

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primorLee wants to merge 3 commits into

modelscope:mainfrom

primorLee:feat/m2po-loss

Commits on Aug 21, 2026

feat(grpo): add M2PO stale-rollout loss
primorLee
committed
5bada75

Commits on Aug 23, 2026

fix(grpo): exclude CP replicas from M2PO selection
primorLee
committed
60da0d4

Commits on Aug 29, 2026

fix(grpo): preserve optimizer-batch M2PO semantics
primorLee
committed
4ad0ed6