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mpix: gpu stream aware extensions#5905

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hzhou wants to merge 7 commits intopmodels:mainpmodels/mpich:mainfrom hzhou:2203_streamhzhou/mpich:2203_streamCopy head branch name to clipboard

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Commits on Mar 31, 2022

• mpl: add MPL_gpu_launch_hostfn

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• datatype/typerep: add MPIR_Typerep_pack_stream

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• api: add frame for MPI_Send_enqueue and MPI_Recv_enqueue

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• pt2pt: implement basic send/recv stream

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• pt2pt: use MPIR_Typerep_pack_stream in stream.c

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• pt2pt/stream: skip packing if the buffer is host buffer

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Commits on Apr 1, 2022

• test: add test/mpi/impls/mpich/cuda/stream.cu

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