[Beowulf] large array to run

Craig Tierney ctierney at hypermall.net
Fri Dec 14 18:18:19 PST 2007

Geoff Jacobs wrote:
> Mark Hahn wrote:
>>> When I try to use the array of
>>> integer actual(9915,9915,9915)
>> I don't speak fortran natively, but isn't that array
>> approximately 3.6 TB in size?
> And quadruple that, 'cuz integers are 32 bits per in FORTRAN, by
> default. So, you are correct.

(Ready to be corrected)

Integer*4 are 32 bits in Fortran, integers are not.  The standard does
not specify the size of an integer.  On older Crays (at least not the
AMD based XT series), integers are 64-bit.


> Note to self: make sure I am alert before I post.

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