MPI_Win_flush_all.3 - Online Linux Manual Page

MPI_Win_flush - Online Linux Manual PageSection : 3
Updated : Jan 21, 2016
Source : 1.10.2
Note : Open MPI

NAMEMPI_Win_flush, MPI_Win_flush_all − Complete all outstanding RMA operations at both the origin and the target

SYNTAX

C Syntax#include <mpi.h> int MPI_Win_flush (int rank, MPI_Win win) int MPI_Win_flush_all (MPI_Win win)

Fortran SyntaxINCLUDE 'mpif.h' MPI_WIN_FLUSH(RANK, WIN, IERROR) INTEGER RANK, WIN, IERROR MPI_WIN_FLUSH_ALL(\fWIN, IERROR\fP) INTEGER WIN, IERROR

INPUT PARAMETERSrank Rank of window (nonnegative integer). win Window object (handle).

OUTPUT PARAMETERIERROR Fortran only: Error status (integer).

DESCRIPTIONMPI_Win_flush completes all outstanding RMA operations initiated by the calling process to the target rank on the specified window. The operations are completed both at the origin and at the target. MPI_Win_flush_all completes all outstanding RMA operations to all targets. Can only be called from within a passive target epoch.

ERRORSAlmost all MPI routines return an error value; C routines as the value of the function and Fortran routines in the last argument. Before the error value is returned, the current MPI error handler is called. By default, this error handler aborts the MPI job, except for I/O function errors. The error handler may be changed with MPI_Comm_set_errhandler; the predefined error handler MPI_ERRORS_RETURN may be used to cause error values to be returned. Note that MPI does not guarantee that an MPI program can continue past an error.

SEE ALSOMPI_Win_flush_local MPI_Win_lock MPI_Win_lock_all
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