Re: memory allocation

From: Noel Aloysius <noel.aloysius_at_nyahnyahspammersnyahnyah>
Date: Mon Nov 05 2012 - 12:24:54 MST

Hi,

I am using NCL 6.1.0. The system is Redhat Enterprise 64-bit and I have
320gb exclusively allocated over 5 nodes.

I am able to create one array that takes 40gb. The Malloc error is thrown
when I try to initialize the second array.

Thanks,
Noel

Noel Aloysius

On Mon, Nov 5, 2012 at 12:35 PM, Wei Huang <huangwei@ucar.edu> wrote:

> Noel,
>
> First, to use large memory you need NCL 6.0 or later, and make sure it is
> 64bit built.
> Second, your machine has 320gb, does not mean mean each individual user
> can use that amount.
> You need to check with your system admin that you can use up to that
> amount of memory.
>
> Any jobs manipulate that amount of data/memory will be slow, and very slow
> in I/O,
> hope you have already thought of this.
>
> Please give us more details, and we will try to help you.
>
> Wei
>
> huangwei@ucar.edu
> VETS/CISL
> National Center for Atmospheric Research
> P.O. Box 3000 (1850 Table Mesa Dr.)
> Boulder, CO 80307-3000 USA
> (303) 497-8924
>
>
>
>
>
>
> On Nov 5, 2012, at 10:17 AM, Noel Aloysius wrote:
>
> Hi NCL-talk,
>
> I want to load two datasets that will take a total of 90gb memory and do
> some processing. The total memory available is 320gb.
>
> Is it possible to do this. I tried but got the NclMalloc error.
>
> Thanks,
> Noel
>
>
>
> Noel Aloysius
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Received on Mon Nov 5 12:25:02 2012

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