[SUMMARY] How to use data structures > 1GB

From: Gerhard Nolte <gnolte_at_gwdg.de>
Date: Wed, 23 Sep 1998 10:12:06 +0200 (MET DST)

Dear Managers,

I asked:

> A user tried to use an array with size > 1GB in a Fortran program. The
> program fails with
>
> prompt> memtest
> 1183:memtest: /sbin/loader: Fatal Error: cannot map Main
>
> I think I have to tune the kernel parameters, but which one is it.

I forgot to mention that change of user limits (ulimit in ksh) did not
have an effect.

I think the parameter I'm looking for is maxvas (maximum virtual
address space) in the kernel configuration file. I did not tested it yet.

Thanks to
"Sean O'Connell" <sean_at_stat.duke.edu>"
K.McManus_at_greenwich.ac.uk
"Marco Bill-Peter (Bill-Peter are my lastnames !)" <billm_at_zk3.dec.com>

Thanks again to the list
Gerhard

-- 
Gerhard Nolte
Email: gnolte_at_gwdg.de   Voice: +49-551-5176-716  Fax: +49-551-5176-704
MPI fuer Stroemungsforschung, Bunsenstr. 10, 37073 Goettingen, Germany
Received on Wed Sep 23 1998 - 08:12:57 NZST

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