Wenkai Du e3e1c6b29c rccl-prim-test: add all-to-all benchmark (#185)
For gfx908, support simple detection of ring topology.
Call ReduceOrCopyMulti directly from kernel.
Also simplify code by removing kernel start synchronization option
which has no effect on throughput measurements.

[ROCm/rccl commit: ebc823e603]
2020-03-16 10:00:54 -07:00
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