calcdecomp Module

@file

$Revision$ $LastChangedDate$

Uses

Variables

Type	Visibility	Attributes		Name		Initial
integer,	public,	parameter	::	default_blocksize	=	884736
integer,	public		::	blocksize	=	default_blocksize

Subroutines

public subroutine pio_set_blocksize(newsize)

Sets the contiguous block size read or written from each IO task. The optimal value of this parameter is filesystem specific.

Arguments

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	newsize

public subroutine CalcStartandCount(basetype, ndims, gdims, num_io_procs, myiorank, start, kount, use_io_procs, innermostdecomposed)

Arguments

Type	Intent	Optional	Attributes		Name
integer(kind=i4),	intent(in)			::	basetype
integer(kind=i4),	intent(in)			::	ndims
integer(kind=i4),	intent(in)			::	gdims(ndims)
integer(kind=i4),	intent(in)			::	num_io_procs
integer(kind=i4),	intent(in)			::	myiorank
integer(kind=PIO_OFFSET),	intent(out)			::	start(ndims)
integer(kind=PIO_OFFSET),	intent(out)			::	kount(ndims)
integer,	intent(out)			::	use_io_procs
integer,	intent(out),	optional		::	innermostdecomposed

public subroutine computestartandcount(gdim, ioprocs, rank, start, kount)

Arguments

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	gdim
integer,	intent(in)			::	ioprocs
integer,	intent(in)			::	rank
integer(kind=pio_offset),	intent(out)			::	start
integer(kind=pio_offset),	intent(out)			::	kount