Wenkai Du 09acdb6b49 Allow zero byte sendrecv in alltoallv (#1349) ...

* Allow zero byte sendrecv in alltoallv

* Fix previous merge error

[ROCm/rccl commit: 821d2e1f30]

2024-10-11 10:40:32 -07:00

..

rccl

Allow zero byte sendrecv in alltoallv (#1349)

2024-10-11 10:40:32 -07:00