, .
, (Fast/Gigabit Ethernet, Myrinet) . , . () . Linux . , , Unix : , , , . Linux MPI PVM, , .
MPI - . MPI "Message passing interface" (" ").
, , , . , - , . . "" Unix, : MPI Unix, MPI , .
- . . MPI, - . (communication domains). - . - (, , ), "" : , , . . " ": , - , - . MPI , , .
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MPI
2.1. : , ,
- () , . , ; . ("requests"), . , , .
- . , .. . - MPI .
- - , . ( , ).
MPI
, "MPI_". , : MPI_Get_count, MPI_Comm_rank. , , : MPI_Sendrecv, MPI_Alltoall.
" ": "MPI_", (Type, Comm, Group, Attr, Errhandler ..), (MPI_Errhandler_create, MPI_Errhandler_set,...). : "-", , MPI_Barrier, MPI_Unpack.
( ) : MPI_COMM_WORLD, MPI_FLOAT. - , : MPI_Send, MPI_Comm_size.