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whitecirclewhitecircle/halo/skills/rl-setup/SKILL.md

rl-setup

Skill851 starsChanged 4 days agoLicence not identifiedView on GitHub

Wire up online GRPO (RLVR) or async GRPO with environments (multi-turn tool-use) for Halo: bring up the separate rollout container — vLLM 0.32.0 (cu13), or SGLang 0.5.22 for async GRPO with environments (rollout_backend: sglang, the families its loaders can take an update for) — point the trainer at it via AsyncRolloutConfig rollout URLs, establish NCCL weight sync through the engine client in halo/weight_sync/ (parallelism-aware gather — EP/TP/ETP and multi-rank FSDP2 all participate), select the RL environment by registry name, and set the key GRPO hyperparameters. USER-INVOKED ONLY — invoke when the user explicitly asks to set up / configure / wire online or async GRPO, the vLLM or SGLang rollout server, Ray rollout actors, or NCCL weight sync.

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