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feat(megatron): add nccl_comm_warmup to avoid iteration-1 NCCL cudaMalloc OOM (#6387)#9602

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feat(megatron): add nccl_comm_warmup to avoid iteration-1 NCCL cudaMalloc OOM (#6387)#9602
yuchenwang3 wants to merge 1 commit into
modelscope:mainfrom
yuchenwang3:feat/nccl-comm-warmup

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Commits on Jun 18, 2026