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Man Pages


Manual Reference Pages  -  HPL_SEND (3)

NAME

HPL_send - Send a message.

CONTENTS

Synopsis
Description
Arguments
See Also

SYNOPSIS

#include "hpl.h"

int HPL_send( double * SBUF, int SCOUNT, int DEST, int STAG, MPI_Comm COMM );

DESCRIPTION

HPL_send is a simple wrapper around MPI_Send. Its main purpose is to allow for some experimentation / tuning of this simple routine. Successful completion is indicated by the returned error code MPI_SUCCESS. In the case of messages of length less than or equal to zero, this function returns immediately.

ARGUMENTS

SBUF (local input) double *
  On entry, SBUF specifies the starting address of buffer to be sent.
SCOUNT (local input) int
  On entry, SCOUNT specifies the number of double precision entries in SBUF. SCOUNT must be at least zero.
DEST (local input) int
  On entry, DEST specifies the rank of the receiving process in the communication space defined by COMM.
STAG (local input) int
  On entry, STAG specifies the message tag to be used for this communication operation.
COMM (local input) MPI_Comm
  The MPI communicator identifying the communication space.

SEE ALSO

HPL_recv (3), HPL_sendrecv (3).
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HPL 2.1 HPL_SEND (3) October 26, 2012

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