[Info-vax] problems allocating "large" arrays in OpenVMS-Fortran

[VAXman- at SendSpamHere.ORG]

In article <l4lidb$uhf$1 at speranza.aioe.org>, Joukj <joukj at hrem.nano.tudelft.nl> writes:
>VAXman- @SendSpamHere.ORG wrote:
>> In article <l4lenl$lh1$1 at speranza.aioe.org>, Joukj <joukj at hrem.nano.tudelft.nl> writes:
>> 
>> 1*1000*1000*1000 => 1000000000 or %x3B9ACA00
>> 2*1000*1000*1000 => 2000000000 or %x77359400
>> 
>> I'm pretty sure that your Fortran is carving the array space out of the
>> process's P0 space.  That's %x00000000 to %x3FFFFFFF.  With GB=2, you've
>> exceeded this.
>> 
>> You need to use ADDRESS64 which will use P2 space for the allocation.
>> 
>Tried to force the ADDRESS64 attribute on the array:
>
>program test
>!
>   integer ( kind = 1 ) , allocatable :: size_array( : , : , : )
>   integer ( kind = 4 ) , parameter :: dimens = 1000
>   real ( kind = 4 ) :: gbs
>!
>!DEC$ATTRIBUTES ADDRESS64 :: size_array

cDEC$ ATTRIBUTES ADDRESS64 :: size_array
-----^----------^---------^--^---------- spaces
^---- c is one of the following: C or c or ! or *.

Try again with a SPACE in your directive statement.

-- 
VAXman- A Bored Certified VMS Kernel Mode Hacker    VAXman(at)TMESIS(dot)ORG

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