Wen-Heng (Jack) Chung a7fbe68535 Skip doneEvent inside MSCCL by default. ...

Added a RCCL_MSCCL_ENABLE_DONE_EVENT env var, set it be 0 by default.

The env var is to control whether to use doneEvent when invoking MSCCL
kernels.

Skipping doneEvent would cause the firmware to skip L2 cache flush,
resulting in overall performance improvement.


[ROCm/rccl commit: 12dba425de]

2023-05-17 16:49:42 +00:00

projects/rccl

Skip doneEvent inside MSCCL by default.

2023-05-17 16:49:42 +00:00

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