MPI Most Important Functions

• Synchronous communication:

• mpi_send

• mpi_recv

• mpi_sendrecv

• Asynchronous communication:

• mpi_isend

• mpi_irecv

• mpi_iprobe

• mpi_wait/waitall

• Collective communication:

• mpi_barrier

• mpi_bcast

• mpi_gather/scatter

• mpi_reduce/allreduce

• mpi_alltoall

• Creating communicators:

• mpi_comm_dup

• mpi_comm_split

• mpi_comm_free

• mpi_intercomm_create

• Derived data types:

• mpi_type_contiguous

• mpi_type_vector

• mpi_type_indexed

• mpi_type_pack

• mpi_type_commit

• mpi_type_free

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