[Beowulf] large array to run

Geoff Jacobs gdjacobs at gmail.com
Thu Dec 13 16:11:03 EST 2007


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?

Oops, forgot to put the decimal in the right place.

9915^3 * 8 bits/integer / 1024^3 bytes/GB = 907 GB.

It could be done with a 64 bit kernel. Too big for PAE.

-- 
Geoffrey D. Jacobs

To have no errors
  would be life without meaning
  No struggle, no joy
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