H5P_SET_DXPL_MPIO

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Page Title

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Excerpt
Sets data transfer mode

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Procedure:

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H5P_SET_DXPL_MPIO ( dxpl_id, xfer_mode )

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Signature:

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<pre><code class="language-c">herr_t H5Pset_dxpl_mpio( hid_t dxpl_id, H5FD_mpio_xfer_t xfer_mode ) </code></pre>

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<pre><code class="language-fortran">Fortran90 Interface:
    
SUBROUTINE h5pset_dxpl_mpio_f(prp_id, data_xfer_mode, hdferr) 
  IMPLICIT NONE
  INTEGER(HID_T), INTENT(IN) :: prp_id  ! Property list identifier
  INTEGER, INTENT(IN) :: data_xfer_mode ! Data transfer mode 
                                        ! Possible values are:
                                        !    H5FD_MPIO_INDEPENDENT_F
                                        !    H5FD_MPIO_COLLECTIVE_F
  INTEGER, INTENT(OUT) :: hdferr        ! Error code
                                        ! 0 on success and -1 on failure
END SUBROUTINE h5pset_dxpl_mpio_f
	</code></pre>

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Parameters:

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hid_t `dxpl_id`	IN: Data transfer property list identifier
H5FD_mpio_xfer_t `xfer_mode`	IN: Transfer mode

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Description:

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H5P_SET_DXPL_MPIO sets the data transfer property list dxpl_id to use transfer mode xfer_mode. The property list can then be used to control the I/O transfer mode during data I/O operations.

Valid transfer modes are as follows:

H5FD_MPIO_INDEPENDENT Use independent I/O access (default)

H5FD_MPIO_COLLECTIVE Use collective I/O access

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Returns:

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Returns a non-negative value if successful. Otherwise returns a negative value.

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Coming Soon!

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repoSlug	hdf5
branchId	refs/heads/1.10/master
projectKey	HDFFV
filepath	examples/

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ph5example.c
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repoSlug	hdf5
branchId	refs/heads/1.10/master
projectKey	HDFFV
filepath	fortran/examples/

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ph5example.f90
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Release	Change
1.4.0	Function introduced in this release.

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