Created by: gavin1332
As a sequential work of https://github.com/PaddlePaddle/Paddle/pull/23037, we assign nccl_comm initialized by ParallelExecutor and dygraph to NCCLCommContext to supports Executor run collective operators.
Created by: gavin1332
As a sequential work of https://github.com/PaddlePaddle/Paddle/pull/23037, we assign nccl_comm initialized by ParallelExecutor and dygraph to NCCLCommContext to supports Executor run collective operators.