fix(trainer): stage CPU-offloaded weights through CUDA in NCCL broadcast#3045

mikasenghaas wants to merge 4 commits into

mainPrimeIntellect-ai/prime-rl:mainfrom

fix/nccl-broadcast-cpu-offloadPrimeIntellect-ai/prime-rl:fix/nccl-broadcast-cpu-offloadCopy head branch name to clipboard