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MPI_File_read_all_begin(3)	      MPI	    MPI_File_read_all_begin(3)

NAME
       MPI_File_read_all_begin -  Begin	a split	collective read	using individ-
       ual file	pointer

SYNOPSIS
       int MPI_File_read_all_begin(MPI_File fh,	void *buf, int count, MPI_Datatype datatype)

INPUT PARAMETERS
       fh     -	file handle (handle)
       count  -	number of elements in buffer (nonnegative integer)
       datatype
	      -	datatype of each buffer	element	(handle)

OUTPUT PARAMETERS
       buf    -	initial	address	of buffer (choice)

NOTES FOR FORTRAN
       All  MPI	routines in Fortran (except for	MPI_WTIME and MPI_WTICK	) have
       an additional argument ierr at the end of the argument list.   ierr  is
       an  integer and has the same meaning as the return value	of the routine
       in C.  In Fortran, MPI routines are subroutines,	and are	 invoked  with
       the call	statement.

       All MPI objects (e.g., MPI_Datatype , MPI_Comm )	are of type INTEGER in
       Fortran.

				   2/3/2025	    MPI_File_read_all_begin(3)

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