MPI_Issend - Starts a nonblocking synchronous send
SYNOPSIS
C:
#include <mpi.h>
int MPI_Issend( buf, count, datatype, dest, tag,
comm, request )
void *buf;
int count;
MPI_Datatype datatype;
int dest;
int tag;
MPI_Comm comm;
MPI_Request *request;
C++:
#include <mpi.h>
Request Comm::Issend(
const void* buf,
int count,
const Datatype& datatype,
int dest,
int tag) const
Fortran:
INCLUDE "mpif.h" (or USE MPI)
<type> BUF(*)
INTEGER count, datatype, dest, tag, comm, request, ierror
CALL MPI_ISSEND( buf, count, datatype, dest, tag, comm, request, ierror)
STANDARDS
This release implements the MPI 1.2 standard, as
documented by the MPI Forum in the spring 1997 release of
MPI: A Message Passing Interface Standard.
DESCRIPTION
The MPI_Issend routine starts a nonblocking synchronous
send operation. This routine accepts the following
parameters:
buf Specifies the initial address of the send buffer
(choice)
buffer (integer)
datatype Specifies the data type of each send buffer
element (handle)
dest Specifies the rank of the destination (integer)
tag Specifies the message tag (integer)
comm Specifies the communicator (handle)
request Returns the communication request (handle)
ierror Specifies the return code value for successful
completion, which is in MPI_SUCCESS.
MPI_SUCCESS is defined in the mpif.h file.
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