Wenkai Du 0f10b6ceeb Add option to use alltoall, gather and scatter API ...

These APIs launche RCCL kernel implementation by default. If environmental
variable RCCL_ALLTOALL_KERNEL_DISABLE=1, then the APIs use wrapper around
ncclSend and ncclRecv.


[ROCm/rccl-tests commit: 2813c96826]

2020-05-11 15:21:19 -07:00

..

rccl-tests

Add option to use alltoall, gather and scatter API

2020-05-11 15:21:19 -07:00