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<TITLE>HPL_send HPL 2.0 Library Functions September 10, 2008</TITLE>
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<BODY BGCOLOR="WHITE" TEXT = "#000000" LINK = "#0000ff" VLINK = "#000099"
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      ALINK = "#ffff00">
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<H1>Name</H1>
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<B>HPL_send</B> Send a message.
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<H1>Synopsis</H1>
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<CODE>#include "hpl.h"</CODE><BR><BR>
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<CODE>int</CODE>
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<CODE>HPL_send(</CODE>
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<CODE>double *</CODE>
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<CODE>SBUF</CODE>,
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<CODE>int</CODE>
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<CODE>SCOUNT</CODE>,
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<CODE>int</CODE>
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<CODE>DEST</CODE>,
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<CODE>int</CODE>
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<CODE>STAG</CODE>,
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<CODE>MPI_Comm</CODE>
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<CODE>COMM</CODE>
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<CODE>);</CODE>
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<H1>Description</H1>
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<B>HPL_send</B>
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is a simple wrapper around  MPI_Send.  Its  main  purpose is
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to  allow for some  experimentation / tuning  of this simple routine.
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Successful  completion  is  indicated  by  the  returned  error  code
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MPI_SUCCESS.  In the case of messages of length less than or equal to
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zero, this function returns immediately.
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<H1>Arguments</H1>
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<PRE>
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SBUF    (local input)                 double *
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        On entry, SBUF specifies the starting address of buffer to be
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        sent.
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</PRE>
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<PRE>
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SCOUNT  (local input)                 int
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        On entry,  SCOUNT  specifies  the number of  double precision
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        entries in SBUF. SCOUNT must be at least zero.
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</PRE>
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<PRE>
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DEST    (local input)                 int
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        On entry, DEST specifies the rank of the receiving process in
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        the communication space defined by COMM.
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</PRE>
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<PRE>
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STAG    (local input)                 int
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        On entry,  STAG specifies the message tag to be used for this
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        communication operation.
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</PRE>
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<PRE>
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COMM    (local input)                 MPI_Comm
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        The MPI communicator identifying the communication space.
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</PRE>
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<H1>See Also</H1>
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<A HREF="HPL_recv.html">HPL_recv</A>,
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<A HREF="HPL_sendrecv.html">HPL_sendrecv</A>.
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