Wenkai Du 22a6211eaf Improve 4P2H topology on Rome (#243) ...

1. Use bi-directional rings
2. GPU search is sorted by PCI device ID to get consistent results

[ROCm/rccl commit: d1e20b4c5e]

2020-07-28 14:21:44 -07:00

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rccl

Improve 4P2H topology on Rome (#243)

2020-07-28 14:21:44 -07:00