#include "mpi.h" int MPI_Isend( buf, count, datatype, dest, tag, comm, request ) void *buf; int count; MPI_Datatype datatype; int dest; int tag; MPI_Comm comm; MPI_Request *request;
buf | initial address of send buffer (choice)
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count | number of elements in send buffer (integer)
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datatype | datatype of each send buffer element (handle)
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dest | rank of destination (integer)
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tag | message tag (integer)
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comm | communicator (handle)
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