[Beowulf] large array to run

Craig Tierney ctierney at hypermall.net
Fri Dec 14 21:18:19 EST 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.

Craig



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

_______________________________________________
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf

!DSPAM:47633a32140461804284693!



More information about the Beowulf mailing list