Wenkai Du 625bb2bc98 Uses nullptr as send buffer for non-root ranks during scatter ...

[ROCm/rccl-tests commit: bf4a866109]

2020-10-19 14:06:23 -04:00

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rccl-tests

Uses nullptr as send buffer for non-root ranks during scatter

2020-10-19 14:06:23 -04:00