Wenkai Du 287ed0f18a Enable collnet in RCCL (#333) ...

* Enable CollNet and use different number of channels

* topo_expl: enable collnet

[ROCm/rccl commit: 1d6244b18d]

2021-03-19 12:58:13 -07:00

..

rccl

Enable collnet in RCCL (#333)

2021-03-19 12:58:13 -07:00