viable/strict/1788024140: Revert "[c10d] Make nccl2 the default NCCL backend (#192281)"
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- Previous: earlier the same day · trunk/8b802259223ccdc4df77e910dfa081441ae98aa7: [c10d] Set local rank in backend test workers (#195103)
What happened
This reverts commit 4078ac4 . Reverted #192281 on behalf of https://github.com/pytorch-auto-revert due to Reverted automatically by pytorch's autorevert, to avoid this behaviour add the tag autorevert: disable ( comment )
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