[Beowulf] large array to run

Geoff Jacobs gdjacobs at gmail.com
Thu Dec 13 16:07:37 EST 2007


f.costen at cs.man.ac.uk wrote:
> Dear All,
> I am facing a very stange problem both g77 and ifort at the
> moment.
> When I try to use the array of
> integer actual(9915,9915,9915)
> in the test program which does not have
> any other arrays,
> the compilation works but
> when I tried to run it
> the program is immediately killed.
> I do not get any error message for that
> 
> I tried this at our local cluster
> and the Univ's supercomputer and
> I get the same situation.
> If any of you in the list has this sort of
> problem and know the remedy for it
> can you let me have your idea ?
> 
> Thank you very much
> Fumie

You do realize that array is utilizing almost a gig of ram. Do you have
that much available (physical and virtual)? Is your kernel configured to
allow that high a ram limit per process? What happens when the size of
one dimension is tuned down slightly?

-- 
Geoffrey D. Jacobs

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