Basic HTML version of Foils prepared 10 Oct 1995

Foil 10 The Six Fundamental MPI routines

From Fox Presentation Fall 1995 CPS615 Basic Simulation Track for Computational Science -- Fall Semester 95. by Geoffrey C. Fox
1 call MPI_INIT(mpierr) -- initialize
2 call MPI_COMM_RANK (comm,rank,mpierr) -- find processor label (rank) in group
3 call MPI_COMM_SIZE(comm,size,mpierr) -- find total number of processors
4 call MPI_SEND (sndbuf,count,datatype,dest,tag,comm,mpierr) -- send a message
5 call MPI_RECV (recvbuf,count,datatype,source,tag,comm,status,mpierr) -- receive a message
6 call MPI_FINALIZE(mpierr) -- End Up
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© on Tue Oct 7 1997