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Foil 10 The Six Fundamental MPI routines

From CPS615-Initial Lecture on MPI ending with discussion of basic MPI_SEND Delivered Lectures of CPS615 Basic Simulation Track for Computational Science -- 31 October 96. by Geoffrey C. Fox *
Secs 243.3
call MPI_INIT(mpierr) -- initialize
call MPI_COMM_RANK (comm,rank,mpierr) -- find processor label (rank) in group
call MPI_COMM_SIZE(comm,size,mpierr) -- find total number of processors
call MPI_SEND (sndbuf,count,datatype,dest,tag,comm,mpierr) -- send a message
call MPI_RECV (recvbuf,count,datatype,source,tag,comm,status,mpierr) -- receive a message
call MPI_FINALIZE(mpierr) -- End Up

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