Parallel I/O 주의사항

mpi_file_open, mpi_file_set_viewcollective call이기 때문에 사용할때 주의해야한다.

아니면 그냥 mpi_file_read_at 혹은 mpi_file_write_at을 사용하는게 정신 건강에 좋다.

mpi_file_read_atmpi_file_read + mpi_file_set_view 형태이므로 딱히 더 살펴볼게 있나 싶다.

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